annotate Objects/stringlib/formatter.h @ 54294:dba767bc3155 legacy-trunk

remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents 1d8f24d40c2c
children 0d203ca3ac78
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* implements the string, long, and float formatters. that is,
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2 string.__format__, etc. */
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3
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4 #include <locale.h>
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5
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6 /* Before including this, you must include either:
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7 stringlib/unicodedefs.h
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8 stringlib/stringdefs.h
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9
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10 Also, you should define the names:
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11 FORMAT_STRING
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12 FORMAT_LONG
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13 FORMAT_FLOAT
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14 FORMAT_COMPLEX
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15 to be whatever you want the public names of these functions to
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16 be. These are the only non-static functions defined here.
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17 */
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18
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19 /* Raises an exception about an unknown presentation type for this
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20 * type. */
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21
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22 static void
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23 unknown_presentation_type(STRINGLIB_CHAR presentation_type,
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24 const char* type_name)
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25 {
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26 #if STRINGLIB_IS_UNICODE
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27 /* If STRINGLIB_CHAR is Py_UNICODE, %c might be out-of-range,
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28 hence the two cases. If it is char, gcc complains that the
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29 condition below is always true, hence the ifdef. */
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30 if (presentation_type > 32 && presentation_type < 128)
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31 #endif
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32 PyErr_Format(PyExc_ValueError,
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33 "Unknown format code '%c' "
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34 "for object of type '%.200s'",
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35 presentation_type,
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36 type_name);
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37 #if STRINGLIB_IS_UNICODE
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38 else
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39 PyErr_Format(PyExc_ValueError,
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40 "Unknown format code '\\x%x' "
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41 "for object of type '%.200s'",
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42 (unsigned int)presentation_type,
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43 type_name);
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44 #endif
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45 }
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46
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47 /*
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48 get_integer consumes 0 or more decimal digit characters from an
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49 input string, updates *result with the corresponding positive
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50 integer, and returns the number of digits consumed.
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51
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52 returns -1 on error.
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53 */
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54 static int
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55 get_integer(STRINGLIB_CHAR **ptr, STRINGLIB_CHAR *end,
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56 Py_ssize_t *result)
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57 {
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58 Py_ssize_t accumulator, digitval, oldaccumulator;
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59 int numdigits;
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60 accumulator = numdigits = 0;
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61 for (;;(*ptr)++, numdigits++) {
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62 if (*ptr >= end)
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63 break;
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64 digitval = STRINGLIB_TODECIMAL(**ptr);
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65 if (digitval < 0)
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66 break;
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67 /*
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68 This trick was copied from old Unicode format code. It's cute,
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69 but would really suck on an old machine with a slow divide
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70 implementation. Fortunately, in the normal case we do not
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71 expect too many digits.
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72 */
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73 oldaccumulator = accumulator;
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74 accumulator *= 10;
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75 if ((accumulator+10)/10 != oldaccumulator+1) {
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76 PyErr_Format(PyExc_ValueError,
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77 "Too many decimal digits in format string");
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78 return -1;
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79 }
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80 accumulator += digitval;
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81 }
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82 *result = accumulator;
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83 return numdigits;
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84 }
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85
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86 /************************************************************************/
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87 /*********** standard format specifier parsing **************************/
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88 /************************************************************************/
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89
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90 /* returns true if this character is a specifier alignment token */
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91 Py_LOCAL_INLINE(int)
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92 is_alignment_token(STRINGLIB_CHAR c)
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93 {
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94 switch (c) {
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95 case '<': case '>': case '=': case '^':
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96 return 1;
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97 default:
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98 return 0;
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99 }
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100 }
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101
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102 /* returns true if this character is a sign element */
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103 Py_LOCAL_INLINE(int)
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104 is_sign_element(STRINGLIB_CHAR c)
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105 {
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106 switch (c) {
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107 case ' ': case '+': case '-':
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108 return 1;
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109 default:
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110 return 0;
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111 }
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112 }
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113
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114
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115 typedef struct {
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116 STRINGLIB_CHAR fill_char;
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117 STRINGLIB_CHAR align;
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118 int alternate;
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119 STRINGLIB_CHAR sign;
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120 Py_ssize_t width;
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121 int thousands_separators;
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122 Py_ssize_t precision;
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123 STRINGLIB_CHAR type;
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124 } InternalFormatSpec;
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125
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126 /*
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127 ptr points to the start of the format_spec, end points just past its end.
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128 fills in format with the parsed information.
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129 returns 1 on success, 0 on failure.
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130 if failure, sets the exception
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131 */
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132 static int
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133 parse_internal_render_format_spec(STRINGLIB_CHAR *format_spec,
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134 Py_ssize_t format_spec_len,
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135 InternalFormatSpec *format,
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136 char default_type)
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137 {
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
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138 STRINGLIB_CHAR *ptr = format_spec;
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
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139 STRINGLIB_CHAR *end = format_spec + format_spec_len;
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140
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141 /* end-ptr is used throughout this code to specify the length of
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142 the input string */
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143
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144 Py_ssize_t consumed;
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145
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146 format->fill_char = '\0';
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147 format->align = '\0';
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c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
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148 format->alternate = 0;
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149 format->sign = '\0';
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150 format->width = -1;
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151 format->thousands_separators = 0;
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152 format->precision = -1;
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153 format->type = default_type;
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154
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155 /* If the second char is an alignment token,
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diff changeset
156 then parse the fill char */
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diff changeset
157 if (end-ptr >= 2 && is_alignment_token(ptr[1])) {
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158 format->align = ptr[1];
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diff changeset
159 format->fill_char = ptr[0];
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160 ptr += 2;
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161 }
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diff changeset
162 else if (end-ptr >= 1 && is_alignment_token(ptr[0])) {
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163 format->align = ptr[0];
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164 ++ptr;
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165 }
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166
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167 /* Parse the various sign options */
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168 if (end-ptr >= 1 && is_sign_element(ptr[0])) {
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169 format->sign = ptr[0];
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170 ++ptr;
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171 }
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172
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173 /* If the next character is #, we're in alternate mode. This only
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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174 applies to integers. */
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175 if (end-ptr >= 1 && ptr[0] == '#') {
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176 format->alternate = 1;
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177 ++ptr;
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178 }
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179
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180 /* The special case for 0-padding (backwards compat) */
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181 if (format->fill_char == '\0' && end-ptr >= 1 && ptr[0] == '0') {
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182 format->fill_char = '0';
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183 if (format->align == '\0') {
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184 format->align = '=';
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185 }
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186 ++ptr;
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187 }
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188
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189 consumed = get_integer(&ptr, end, &format->width);
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190 if (consumed == -1)
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191 /* Overflow error. Exception already set. */
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192 return 0;
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193
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194 /* If consumed is 0, we didn't consume any characters for the
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195 width. In that case, reset the width to -1, because
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196 get_integer() will have set it to zero. -1 is how we record
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197 that the width wasn't specified. */
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198 if (consumed == 0)
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199 format->width = -1;
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200
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201 /* Comma signifies add thousands separators */
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202 if (end-ptr && ptr[0] == ',') {
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203 format->thousands_separators = 1;
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204 ++ptr;
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205 }
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206
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207 /* Parse field precision */
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208 if (end-ptr && ptr[0] == '.') {
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209 ++ptr;
45381
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210
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211 consumed = get_integer(&ptr, end, &format->precision);
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212 if (consumed == -1)
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213 /* Overflow error. Exception already set. */
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214 return 0;
45381
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215
53312
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216 /* Not having a precision after a dot is an error. */
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217 if (consumed == 0) {
45381
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diff changeset
218 PyErr_Format(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
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diff changeset
219 "Format specifier missing precision");
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diff changeset
220 return 0;
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diff changeset
221 }
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diff changeset
222
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
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223 }
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diff changeset
224
53312
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225 /* Finally, parse the type field. */
45381
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226
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diff changeset
227 if (end-ptr > 1) {
53312
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228 /* More than one char remain, invalid conversion spec. */
45381
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diff changeset
229 PyErr_Format(PyExc_ValueError, "Invalid conversion specification");
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230 return 0;
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parents:
diff changeset
231 }
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parents:
diff changeset
232
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diff changeset
233 if (end-ptr == 1) {
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diff changeset
234 format->type = ptr[0];
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5d726da21d75 Now that PyOS_ascii_formatd supports the 'n' format, simplify the float formatting code to just call it.
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diff changeset
235 ++ptr;
45381
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diff changeset
236 }
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237
53312
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238 /* Do as much validating as we can, just by looking at the format
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
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diff changeset
239 specifier. Do not take into account what type of formatting
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diff changeset
240 we're doing (int, float, string). */
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diff changeset
241
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
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diff changeset
242 if (format->thousands_separators) {
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243 switch (format->type) {
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diff changeset
244 case 'd':
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diff changeset
245 case 'e':
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diff changeset
246 case 'f':
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diff changeset
247 case 'g':
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diff changeset
248 case 'E':
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diff changeset
249 case 'G':
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diff changeset
250 case '%':
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diff changeset
251 case 'F':
53318
44a8a525eceb Fixed issue 5782: formatting with commas didn't work if no specifier type code was given.
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diff changeset
252 case '\0':
53312
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253 /* These are allowed. See PEP 378.*/
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diff changeset
254 break;
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diff changeset
255 default:
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diff changeset
256 PyErr_Format(PyExc_ValueError,
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diff changeset
257 "Cannot specify ',' with '%c'.", format->type);
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diff changeset
258 return 0;
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diff changeset
259 }
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260 }
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diff changeset
261
45381
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262 return 1;
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diff changeset
263 }
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parents:
diff changeset
264
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
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diff changeset
265 /* Calculate the padding needed. */
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266 static void
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267 calc_padding(Py_ssize_t nchars, Py_ssize_t width, STRINGLIB_CHAR align,
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268 Py_ssize_t *n_lpadding, Py_ssize_t *n_rpadding,
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269 Py_ssize_t *n_total)
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270 {
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271 if (width >= 0) {
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272 if (nchars > width)
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273 *n_total = nchars;
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274 else
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275 *n_total = width;
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276 }
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277 else {
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278 /* not specified, use all of the chars and no more */
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279 *n_total = nchars;
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280 }
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281
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282 /* figure out how much leading space we need, based on the
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283 aligning */
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284 if (align == '>')
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285 *n_lpadding = *n_total - nchars;
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286 else if (align == '^')
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287 *n_lpadding = (*n_total - nchars) / 2;
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288 else
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289 *n_lpadding = 0;
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290
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291 *n_rpadding = *n_total - nchars - *n_lpadding;
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292 }
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293
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294 /* Do the padding, and return a pointer to where the caller-supplied
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295 content goes. */
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296 static STRINGLIB_CHAR *
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297 fill_padding(STRINGLIB_CHAR *p, Py_ssize_t nchars, STRINGLIB_CHAR fill_char,
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298 Py_ssize_t n_lpadding, Py_ssize_t n_rpadding)
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299 {
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300 /* Pad on left. */
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301 if (n_lpadding)
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302 STRINGLIB_FILL(p, fill_char, n_lpadding);
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303
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304 /* Pad on right. */
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305 if (n_rpadding)
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306 STRINGLIB_FILL(p + nchars + n_lpadding, fill_char, n_rpadding);
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307
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308 /* Pointer to the user content. */
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309 return p + n_lpadding;
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310 }
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311
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312 #if defined FORMAT_FLOAT || defined FORMAT_LONG || defined FORMAT_COMPLEX
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313 /************************************************************************/
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314 /*********** common routines for numeric formatting *********************/
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315 /************************************************************************/
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316
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317 /* Locale type codes. */
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318 #define LT_CURRENT_LOCALE 0
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319 #define LT_DEFAULT_LOCALE 1
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320 #define LT_NO_LOCALE 2
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321
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322 /* Locale info needed for formatting integers and the part of floats
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323 before and including the decimal. Note that locales only support
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324 8-bit chars, not unicode. */
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325 typedef struct {
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326 char *decimal_point;
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327 char *thousands_sep;
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328 char *grouping;
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329 } LocaleInfo;
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330
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331 /* describes the layout for an integer, see the comment in
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332 calc_number_widths() for details */
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333 typedef struct {
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334 Py_ssize_t n_lpadding;
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335 Py_ssize_t n_prefix;
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336 Py_ssize_t n_spadding;
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337 Py_ssize_t n_rpadding;
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338 char sign;
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339 Py_ssize_t n_sign; /* number of digits needed for sign (0/1) */
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340 Py_ssize_t n_grouped_digits; /* Space taken up by the digits, including
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341 any grouping chars. */
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342 Py_ssize_t n_decimal; /* 0 if only an integer */
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343 Py_ssize_t n_remainder; /* Digits in decimal and/or exponent part,
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344 excluding the decimal itself, if
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345 present. */
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346
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347 /* These 2 are not the widths of fields, but are needed by
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348 STRINGLIB_GROUPING. */
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349 Py_ssize_t n_digits; /* The number of digits before a decimal
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350 or exponent. */
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351 Py_ssize_t n_min_width; /* The min_width we used when we computed
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352 the n_grouped_digits width. */
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353 } NumberFieldWidths;
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354
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355
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356 /* Given a number of the form:
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357 digits[remainder]
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358 where ptr points to the start and end points to the end, find where
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359 the integer part ends. This could be a decimal, an exponent, both,
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360 or neither.
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361 If a decimal point is present, set *has_decimal and increment
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362 remainder beyond it.
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363 Results are undefined (but shouldn't crash) for improperly
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364 formatted strings.
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365 */
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366 static void
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367 parse_number(STRINGLIB_CHAR *ptr, Py_ssize_t len,
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368 Py_ssize_t *n_remainder, int *has_decimal)
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369 {
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370 STRINGLIB_CHAR *end = ptr + len;
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371 STRINGLIB_CHAR *remainder;
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372
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373 while (ptr<end && isdigit(*ptr))
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374 ++ptr;
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375 remainder = ptr;
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376
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377 /* Does remainder start with a decimal point? */
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378 *has_decimal = ptr<end && *remainder == '.';
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379
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380 /* Skip the decimal point. */
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381 if (*has_decimal)
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382 remainder++;
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383
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384 *n_remainder = end - remainder;
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385 }
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386
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387 /* not all fields of format are used. for example, precision is
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388 unused. should this take discrete params in order to be more clear
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389 about what it does? or is passing a single format parameter easier
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390 and more efficient enough to justify a little obfuscation? */
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391 static Py_ssize_t
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392 calc_number_widths(NumberFieldWidths *spec, Py_ssize_t n_prefix,
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393 STRINGLIB_CHAR sign_char, STRINGLIB_CHAR *number,
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394 Py_ssize_t n_number, Py_ssize_t n_remainder,
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395 int has_decimal, const LocaleInfo *locale,
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396 const InternalFormatSpec *format)
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397 {
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398 Py_ssize_t n_non_digit_non_padding;
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399 Py_ssize_t n_padding;
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400
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401 spec->n_digits = n_number - n_remainder - (has_decimal?1:0);
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a0963e46f43e Renamed a parameter in calc_number_widths, for consistency with the same parameter in fill_non_digits.
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402 spec->n_lpadding = 0;
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403 spec->n_prefix = n_prefix;
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404 spec->n_decimal = has_decimal ? strlen(locale->decimal_point) : 0;
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405 spec->n_remainder = n_remainder;
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a0963e46f43e Renamed a parameter in calc_number_widths, for consistency with the same parameter in fill_non_digits.
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406 spec->n_spadding = 0;
a0963e46f43e Renamed a parameter in calc_number_widths, for consistency with the same parameter in fill_non_digits.
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407 spec->n_rpadding = 0;
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408 spec->sign = '\0';
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409 spec->n_sign = 0;
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410
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411 /* the output will look like:
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412 | |
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413 | <lpadding> <sign> <prefix> <spadding> <grouped_digits> <decimal> <remainder> <rpadding> |
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414 | |
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415
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416 sign is computed from format->sign and the actual
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417 sign of the number
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418
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419 prefix is given (it's for the '0x' prefix)
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
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420
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421 digits is already known
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422
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423 the total width is either given, or computed from the
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424 actual digits
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425
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426 only one of lpadding, spadding, and rpadding can be non-zero,
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427 and it's calculated from the width and other fields
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428 */
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429
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430 /* compute the various parts we're going to write */
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431 switch (format->sign) {
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432 case '+':
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433 /* always put a + or - */
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434 spec->n_sign = 1;
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435 spec->sign = (sign_char == '-' ? '-' : '+');
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436 break;
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437 case ' ':
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438 spec->n_sign = 1;
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439 spec->sign = (sign_char == '-' ? '-' : ' ');
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440 break;
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441 default:
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442 /* Not specified, or the default (-) */
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443 if (sign_char == '-') {
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444 spec->n_sign = 1;
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445 spec->sign = '-';
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446 }
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447 }
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448
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449 /* The number of chars used for non-digits and non-padding. */
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450 n_non_digit_non_padding = spec->n_sign + spec->n_prefix + spec->n_decimal +
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451 spec->n_remainder;
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452
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453 /* min_width can go negative, that's okay. format->width == -1 means
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454 we don't care. */
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455 if (format->fill_char == '0')
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456 spec->n_min_width = format->width - n_non_digit_non_padding;
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457 else
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458 spec->n_min_width = 0;
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459
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460 if (spec->n_digits == 0)
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461 /* This case only occurs when using 'c' formatting, we need
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462 to special case it because the grouping code always wants
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463 to have at least one character. */
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464 spec->n_grouped_digits = 0;
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465 else
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466 spec->n_grouped_digits = STRINGLIB_GROUPING(NULL, 0, NULL,
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467 spec->n_digits,
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468 spec->n_min_width,
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469 locale->grouping,
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470 locale->thousands_sep);
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471
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472 /* Given the desired width and the total of digit and non-digit
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473 space we consume, see if we need any padding. format->width can
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474 be negative (meaning no padding), but this code still works in
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475 that case. */
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476 n_padding = format->width -
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477 (n_non_digit_non_padding + spec->n_grouped_digits);
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478 if (n_padding > 0) {
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479 /* Some padding is needed. Determine if it's left, space, or right. */
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480 switch (format->align) {
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481 case '<':
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482 spec->n_rpadding = n_padding;
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483 break;
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484 case '^':
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485 spec->n_lpadding = n_padding / 2;
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486 spec->n_rpadding = n_padding - spec->n_lpadding;
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487 break;
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488 case '=':
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489 spec->n_spadding = n_padding;
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490 break;
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491 default:
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492 /* Handles '>', plus catch-all just in case. */
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493 spec->n_lpadding = n_padding;
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494 break;
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495 }
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496 }
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497 return spec->n_lpadding + spec->n_sign + spec->n_prefix +
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498 spec->n_spadding + spec->n_grouped_digits + spec->n_decimal +
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499 spec->n_remainder + spec->n_rpadding;
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500 }
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501
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502 /* Fill in the digit parts of a numbers's string representation,
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503 as determined in calc_number_widths().
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504 No error checking, since we know the buffer is the correct size. */
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505 static void
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506 fill_number(STRINGLIB_CHAR *buf, const NumberFieldWidths *spec,
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507 STRINGLIB_CHAR *digits, Py_ssize_t n_digits,
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508 STRINGLIB_CHAR *prefix, STRINGLIB_CHAR fill_char,
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509 LocaleInfo *locale, int toupper)
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510 {
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511 /* Used to keep track of digits, decimal, and remainder. */
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512 STRINGLIB_CHAR *p = digits;
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513
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514 #ifndef NDEBUG
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515 Py_ssize_t r;
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516 #endif
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517
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
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518 if (spec->n_lpadding) {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
519 STRINGLIB_FILL(buf, fill_char, spec->n_lpadding);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
520 buf += spec->n_lpadding;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
521 }
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
522 if (spec->n_sign == 1) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
523 *buf++ = spec->sign;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
524 }
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
525 if (spec->n_prefix) {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
526 memmove(buf,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
527 prefix,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
528 spec->n_prefix * sizeof(STRINGLIB_CHAR));
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
529 if (toupper) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
530 Py_ssize_t t;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
531 for (t = 0; t < spec->n_prefix; ++t)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
532 buf[t] = STRINGLIB_TOUPPER(buf[t]);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
533 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
534 buf += spec->n_prefix;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
535 }
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
536 if (spec->n_spadding) {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
537 STRINGLIB_FILL(buf, fill_char, spec->n_spadding);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
538 buf += spec->n_spadding;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
539 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
540
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
541 /* Only for type 'c' special case, it has no digits. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
542 if (spec->n_digits != 0) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
543 /* Fill the digits with InsertThousandsGrouping. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
544 #ifndef NDEBUG
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
545 r =
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
546 #endif
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
547 STRINGLIB_GROUPING(buf, spec->n_grouped_digits, digits,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
548 spec->n_digits, spec->n_min_width,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
549 locale->grouping, locale->thousands_sep);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
550 #ifndef NDEBUG
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
551 assert(r == spec->n_grouped_digits);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
552 #endif
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
553 p += spec->n_digits;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
554 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
555 if (toupper) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
556 Py_ssize_t t;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
557 for (t = 0; t < spec->n_grouped_digits; ++t)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
558 buf[t] = STRINGLIB_TOUPPER(buf[t]);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
559 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
560 buf += spec->n_grouped_digits;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
561
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
562 if (spec->n_decimal) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
563 Py_ssize_t t;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
564 for (t = 0; t < spec->n_decimal; ++t)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
565 buf[t] = locale->decimal_point[t];
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
566 buf += spec->n_decimal;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
567 p += 1;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
568 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
569
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
570 if (spec->n_remainder) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
571 memcpy(buf, p, spec->n_remainder * sizeof(STRINGLIB_CHAR));
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
572 buf += spec->n_remainder;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
573 p += spec->n_remainder;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
574 }
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
575
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
576 if (spec->n_rpadding) {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
577 STRINGLIB_FILL(buf, fill_char, spec->n_rpadding);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
578 buf += spec->n_rpadding;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
579 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
580 }
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
581
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
582 static char no_grouping[1] = {CHAR_MAX};
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
583
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
584 /* Find the decimal point character(s?), thousands_separator(s?), and
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
585 grouping description, either for the current locale if type is
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
586 LT_CURRENT_LOCALE, a hard-coded locale if LT_DEFAULT_LOCALE, or
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
587 none if LT_NO_LOCALE. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
588 static void
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
589 get_locale_info(int type, LocaleInfo *locale_info)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
590 {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
591 switch (type) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
592 case LT_CURRENT_LOCALE: {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
593 struct lconv *locale_data = localeconv();
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
594 locale_info->decimal_point = locale_data->decimal_point;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
595 locale_info->thousands_sep = locale_data->thousands_sep;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
596 locale_info->grouping = locale_data->grouping;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
597 break;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
598 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
599 case LT_DEFAULT_LOCALE:
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
600 locale_info->decimal_point = ".";
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
601 locale_info->thousands_sep = ",";
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
602 locale_info->grouping = "\3"; /* Group every 3 characters,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
603 trailing 0 means repeat
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
604 infinitely. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
605 break;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
606 case LT_NO_LOCALE:
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
607 locale_info->decimal_point = ".";
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
608 locale_info->thousands_sep = "";
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
609 locale_info->grouping = no_grouping;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
610 break;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
611 default:
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
612 assert(0);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
613 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
614 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
615
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
616 #endif /* FORMAT_FLOAT || FORMAT_LONG || FORMAT_COMPLEX */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
617
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
618 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
619 /*********** string formatting ******************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
620 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
621
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
622 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
623 format_string_internal(PyObject *value, const InternalFormatSpec *format)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
624 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
625 Py_ssize_t lpad;
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
626 Py_ssize_t rpad;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
627 Py_ssize_t total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
628 STRINGLIB_CHAR *p;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
629 Py_ssize_t len = STRINGLIB_LEN(value);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
630 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
631
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
632 /* sign is not allowed on strings */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
633 if (format->sign != '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
634 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
635 "Sign not allowed in string format specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
636 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
637 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
638
47959
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
639 /* alternate is not allowed on strings */
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
640 if (format->alternate) {
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
641 PyErr_SetString(PyExc_ValueError,
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
642 "Alternate form (#) not allowed in string format "
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
643 "specifier");
47959
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
644 goto done;
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
645 }
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
646
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
647 /* '=' alignment not allowed on strings */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
648 if (format->align == '=') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
649 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
650 "'=' alignment not allowed "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
651 "in string format specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
652 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
653 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
654
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
655 /* if precision is specified, output no more that format.precision
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
656 characters */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
657 if (format->precision >= 0 && len >= format->precision) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
658 len = format->precision;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
659 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
660
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
661 calc_padding(len, format->width, format->align, &lpad, &rpad, &total);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
662
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
663 /* allocate the resulting string */
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
664 result = STRINGLIB_NEW(NULL, total);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
665 if (result == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
666 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
667
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
668 /* Write into that space. First the padding. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
669 p = fill_padding(STRINGLIB_STR(result), len,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
670 format->fill_char=='\0'?' ':format->fill_char,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
671 lpad, rpad);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
672
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
673 /* Then the source string. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
674 memcpy(p, STRINGLIB_STR(value), len * sizeof(STRINGLIB_CHAR));
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
675
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
676 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
677 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
678 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
679
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
680
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
681 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
682 /*********** long formatting ********************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
683 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
684
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
685 #if defined FORMAT_LONG || defined FORMAT_INT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
686 typedef PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
687 (*IntOrLongToString)(PyObject *value, int base);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
688
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
689 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
690 format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
691 IntOrLongToString tostring)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
692 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
693 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
694 PyObject *tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
695 STRINGLIB_CHAR *pnumeric_chars;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
696 STRINGLIB_CHAR numeric_char;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
697 STRINGLIB_CHAR sign_char = '\0';
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
698 Py_ssize_t n_digits; /* count of digits need from the computed
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
699 string */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
700 Py_ssize_t n_remainder = 0; /* Used only for 'c' formatting, which
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
701 produces non-digits */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
702 Py_ssize_t n_prefix = 0; /* Count of prefix chars, (e.g., '0x') */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
703 Py_ssize_t n_total;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
704 STRINGLIB_CHAR *prefix = NULL;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
705 NumberFieldWidths spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
706 long x;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
707
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
708 /* Locale settings, either from the actual locale or
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
709 from a hard-code pseudo-locale */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
710 LocaleInfo locale;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
711
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
712 /* no precision allowed on integers */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
713 if (format->precision != -1) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
714 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
715 "Precision not allowed in integer format specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
716 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
717 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
718
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
719 /* special case for character formatting */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
720 if (format->type == 'c') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
721 /* error to specify a sign */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
722 if (format->sign != '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
723 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
724 "Sign not allowed with integer"
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
725 " format specifier 'c'");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
726 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
727 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
728
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
729 /* Error to specify a comma. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
730 if (format->thousands_separators) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
731 PyErr_SetString(PyExc_ValueError,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
732 "Thousands separators not allowed with integer"
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
733 " format specifier 'c'");
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
734 goto done;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
735 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
736
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
737 /* taken from unicodeobject.c formatchar() */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
738 /* Integer input truncated to a character */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
739 /* XXX: won't work for int */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
740 x = PyLong_AsLong(value);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
741 if (x == -1 && PyErr_Occurred())
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
742 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
743 #ifdef Py_UNICODE_WIDE
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
744 if (x < 0 || x > 0x10ffff) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
745 PyErr_SetString(PyExc_OverflowError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
746 "%c arg not in range(0x110000) "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
747 "(wide Python build)");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
748 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
749 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
750 #else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
751 if (x < 0 || x > 0xffff) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
752 PyErr_SetString(PyExc_OverflowError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
753 "%c arg not in range(0x10000) "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
754 "(narrow Python build)");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
755 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
756 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
757 #endif
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
758 numeric_char = (STRINGLIB_CHAR)x;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
759 pnumeric_chars = &numeric_char;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
760 n_digits = 1;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
761
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
762 /* As a sort-of hack, we tell calc_number_widths that we only
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
763 have "remainder" characters. calc_number_widths thinks
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
764 these are characters that don't get formatted, only copied
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
765 into the output string. We do this for 'c' formatting,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
766 because the characters are likely to be non-digits. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
767 n_remainder = 1;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
768 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
769 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
770 int base;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
771 int leading_chars_to_skip = 0; /* Number of characters added by
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
772 PyNumber_ToBase that we want to
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
773 skip over. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
774
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
775 /* Compute the base and how many characters will be added by
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
776 PyNumber_ToBase */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
777 switch (format->type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
778 case 'b':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
779 base = 2;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
780 leading_chars_to_skip = 2; /* 0b */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
781 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
782 case 'o':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
783 base = 8;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
784 leading_chars_to_skip = 2; /* 0o */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
785 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
786 case 'x':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
787 case 'X':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
788 base = 16;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
789 leading_chars_to_skip = 2; /* 0x */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
790 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
791 default: /* shouldn't be needed, but stops a compiler warning */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
792 case 'd':
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
793 case 'n':
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
794 base = 10;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
795 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
796 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
797
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
798 /* The number of prefix chars is the same as the leading
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
799 chars to skip */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
800 if (format->alternate)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
801 n_prefix = leading_chars_to_skip;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
802
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
803 /* Do the hard part, converting to a string in a given base */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
804 tmp = tostring(value, base);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
805 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
806 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
807
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
808 pnumeric_chars = STRINGLIB_STR(tmp);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
809 n_digits = STRINGLIB_LEN(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
810
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
811 prefix = pnumeric_chars;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
812
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
813 /* Remember not to modify what pnumeric_chars points to. it
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
814 might be interned. Only modify it after we copy it into a
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
815 newly allocated output buffer. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
816
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
817 /* Is a sign character present in the output? If so, remember it
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
818 and skip it */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
819 if (pnumeric_chars[0] == '-') {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
820 sign_char = pnumeric_chars[0];
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
821 ++prefix;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
822 ++leading_chars_to_skip;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
823 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
824
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
825 /* Skip over the leading chars (0x, 0b, etc.) */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
826 n_digits -= leading_chars_to_skip;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
827 pnumeric_chars += leading_chars_to_skip;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
828 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
829
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
830 /* Determine the grouping, separator, and decimal point, if any. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
831 get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE :
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
832 (format->thousands_separators ?
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
833 LT_DEFAULT_LOCALE :
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
834 LT_NO_LOCALE),
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
835 &locale);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
836
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
837 /* Calculate how much memory we'll need. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
838 n_total = calc_number_widths(&spec, n_prefix, sign_char, pnumeric_chars,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
839 n_digits, n_remainder, 0, &locale, format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
840
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
841 /* Allocate the memory. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
842 result = STRINGLIB_NEW(NULL, n_total);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
843 if (!result)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
844 goto done;
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
845
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
846 /* Populate the memory. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
847 fill_number(STRINGLIB_STR(result), &spec, pnumeric_chars, n_digits,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
848 prefix, format->fill_char == '\0' ? ' ' : format->fill_char,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
849 &locale, format->type == 'X');
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
850
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
851 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
852 Py_XDECREF(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
853 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
854 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
855 #endif /* defined FORMAT_LONG || defined FORMAT_INT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
856
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
857 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
858 /*********** float formatting *******************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
859 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
860
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
861 #ifdef FORMAT_FLOAT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
862 #if STRINGLIB_IS_UNICODE
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
863 static void
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
864 strtounicode(Py_UNICODE *buffer, const char *charbuffer, Py_ssize_t len)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
865 {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
866 Py_ssize_t i;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
867 for (i = 0; i < len; ++i)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
868 buffer[i] = (Py_UNICODE)charbuffer[i];
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
869 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
870 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
871
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
872 /* much of this is taken from unicodeobject.c */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
873 static PyObject *
45404
5d726da21d75 Now that PyOS_ascii_formatd supports the 'n' format, simplify the float formatting code to just call it.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
874 format_float_internal(PyObject *value,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
875 const InternalFormatSpec *format)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
876 {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
877 char *buf = NULL; /* buffer returned from PyOS_double_to_string */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
878 Py_ssize_t n_digits;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
879 Py_ssize_t n_remainder;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
880 Py_ssize_t n_total;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
881 int has_decimal;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
882 double val;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
883 Py_ssize_t precision = format->precision;
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
884 Py_ssize_t default_precision = 6;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
885 STRINGLIB_CHAR type = format->type;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
886 int add_pct = 0;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
887 STRINGLIB_CHAR *p;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
888 NumberFieldWidths spec;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
889 int flags = 0;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
890 PyObject *result = NULL;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
891 STRINGLIB_CHAR sign_char = '\0';
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
892 int float_type; /* Used to see if we have a nan, inf, or regular float. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
893
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
894 #if STRINGLIB_IS_UNICODE
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
895 Py_UNICODE *unicode_tmp = NULL;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
896 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
897
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
898 /* Locale settings, either from the actual locale or
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
899 from a hard-code pseudo-locale */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
900 LocaleInfo locale;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
901
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
902 /* Alternate is not allowed on floats. */
47959
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
903 if (format->alternate) {
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
904 PyErr_SetString(PyExc_ValueError,
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
905 "Alternate form (#) not allowed in float format "
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
906 "specifier");
47959
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
907 goto done;
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
908 }
c2b114d0e1cf Added '#' formatting to integers. This adds the 0b, 0o, or 0x prefix for bin, oct, hex. There's still one failing case, and I need to finish the docs. I hope to finish those today.
Eric Smith <eric@trueblade.com>
parents: 47819
diff changeset
909
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
910 if (type == '\0') {
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
911 /* Omitted type specifier. This is like 'g' but with at least one
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
912 digit after the decimal point, and different default precision.*/
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
913 type = 'g';
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
914 default_precision = PyFloat_STR_PRECISION;
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
915 flags |= Py_DTSF_ADD_DOT_0;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
916 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
917
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
918 if (type == 'n')
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
919 /* 'n' is the same as 'g', except for the locale used to
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
920 format the result. We take care of that later. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
921 type = 'g';
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
922
48003
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
923 /* 'F' is the same as 'f', per the PEP */
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
924 if (type == 'F')
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
925 type = 'f';
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
926
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
927 val = PyFloat_AsDouble(value);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
928 if (val == -1.0 && PyErr_Occurred())
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
929 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
930
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
931 if (type == '%') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
932 type = 'f';
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
933 val *= 100;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
934 add_pct = 1;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
935 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
936
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
937 if (precision < 0)
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
938 precision = default_precision;
53662
23bc4b391c10 Keep py3k and trunk code in sync.
Eric Smith <eric@trueblade.com>
parents: 53629
diff changeset
939
23bc4b391c10 Keep py3k and trunk code in sync.
Eric Smith <eric@trueblade.com>
parents: 53629
diff changeset
940 #if PY_VERSION_HEX < 0x03010000
23bc4b391c10 Keep py3k and trunk code in sync.
Eric Smith <eric@trueblade.com>
parents: 53629
diff changeset
941 /* 3.1 no longer converts large 'f' to 'g'. */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
942 if ((type == 'f' || type == 'F') && fabs(val) >= 1e50)
48003
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
943 type = 'g';
53662
23bc4b391c10 Keep py3k and trunk code in sync.
Eric Smith <eric@trueblade.com>
parents: 53629
diff changeset
944 #endif
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
945
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
946 /* Cast "type", because if we're in unicode we need to pass a
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
947 8-bit char. This is safe, because we've restricted what "type"
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
948 can be. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
949 buf = PyOS_double_to_string(val, (char)type, precision, flags,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
950 &float_type);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
951 if (buf == NULL)
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
952 goto done;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
953 n_digits = strlen(buf);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
954
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
955 if (add_pct) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
956 /* We know that buf has a trailing zero (since we just called
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
957 strlen() on it), and we don't use that fact any more. So we
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
958 can just write over the trailing zero. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
959 buf[n_digits] = '%';
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
960 n_digits += 1;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
961 }
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
962
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
963 /* Since there is no unicode version of PyOS_double_to_string,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
964 just use the 8 bit version and then convert to unicode. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
965 #if STRINGLIB_IS_UNICODE
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
966 unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_digits)*sizeof(Py_UNICODE));
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
967 if (unicode_tmp == NULL) {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
968 PyErr_NoMemory();
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
969 goto done;
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
970 }
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
971 strtounicode(unicode_tmp, buf, n_digits);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
972 p = unicode_tmp;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
973 #else
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
974 p = buf;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
975 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
976
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
977 /* Is a sign character present in the output? If so, remember it
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
978 and skip it */
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
979 if (*p == '-') {
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
980 sign_char = *p;
45404
5d726da21d75 Now that PyOS_ascii_formatd supports the 'n' format, simplify the float formatting code to just call it.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
981 ++p;
5d726da21d75 Now that PyOS_ascii_formatd supports the 'n' format, simplify the float formatting code to just call it.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
982 --n_digits;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
983 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
984
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
985 /* Determine if we have any "remainder" (after the digits, might include
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
986 decimal or exponent or both (or neither)) */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
987 parse_number(p, n_digits, &n_remainder, &has_decimal);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
988
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
989 /* Determine the grouping, separator, and decimal point, if any. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
990 get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE :
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
991 (format->thousands_separators ?
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
992 LT_DEFAULT_LOCALE :
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
993 LT_NO_LOCALE),
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
994 &locale);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
995
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
996 /* Calculate how much memory we'll need. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
997 n_total = calc_number_widths(&spec, 0, sign_char, p, n_digits,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
998 n_remainder, has_decimal, &locale, format);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
999
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1000 /* Allocate the memory. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1001 result = STRINGLIB_NEW(NULL, n_total);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1002 if (result == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1003 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1004
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1005 /* Populate the memory. */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1006 fill_number(STRINGLIB_STR(result), &spec, p, n_digits, NULL,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1007 format->fill_char == '\0' ? ' ' : format->fill_char, &locale,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1008 0);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1009
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1010 done:
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1011 PyMem_Free(buf);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1012 #if STRINGLIB_IS_UNICODE
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1013 PyMem_Free(unicode_tmp);
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1014 #endif
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1015 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1016 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1017 #endif /* FORMAT_FLOAT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1018
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1019 /************************************************************************/
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1020 /*********** complex formatting *****************************************/
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1021 /************************************************************************/
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1022
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1023 #ifdef FORMAT_COMPLEX
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1024
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1025 static PyObject *
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1026 format_complex_internal(PyObject *value,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1027 const InternalFormatSpec *format)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1028 {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1029 double re;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1030 double im;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1031 char *re_buf = NULL; /* buffer returned from PyOS_double_to_string */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1032 char *im_buf = NULL; /* buffer returned from PyOS_double_to_string */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1033
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1034 InternalFormatSpec tmp_format = *format;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1035 Py_ssize_t n_re_digits;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1036 Py_ssize_t n_im_digits;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1037 Py_ssize_t n_re_remainder;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1038 Py_ssize_t n_im_remainder;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1039 Py_ssize_t n_re_total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1040 Py_ssize_t n_im_total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1041 int re_has_decimal;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1042 int im_has_decimal;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1043 Py_ssize_t precision = format->precision;
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
1044 Py_ssize_t default_precision = 6;
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1045 STRINGLIB_CHAR type = format->type;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1046 STRINGLIB_CHAR *p_re;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1047 STRINGLIB_CHAR *p_im;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1048 NumberFieldWidths re_spec;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1049 NumberFieldWidths im_spec;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1050 int flags = 0;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1051 PyObject *result = NULL;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1052 STRINGLIB_CHAR *p;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1053 STRINGLIB_CHAR re_sign_char = '\0';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1054 STRINGLIB_CHAR im_sign_char = '\0';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1055 int re_float_type; /* Used to see if we have a nan, inf, or regular float. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1056 int im_float_type;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1057 int add_parens = 0;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1058 int skip_re = 0;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1059 Py_ssize_t lpad;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1060 Py_ssize_t rpad;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1061 Py_ssize_t total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1062
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1063 #if STRINGLIB_IS_UNICODE
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1064 Py_UNICODE *re_unicode_tmp = NULL;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1065 Py_UNICODE *im_unicode_tmp = NULL;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1066 #endif
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1067
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1068 /* Locale settings, either from the actual locale or
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1069 from a hard-code pseudo-locale */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1070 LocaleInfo locale;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1071
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1072 /* Alternate is not allowed on complex. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1073 if (format->alternate) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1074 PyErr_SetString(PyExc_ValueError,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1075 "Alternate form (#) not allowed in complex format "
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1076 "specifier");
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1077 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1078 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1079
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1080 /* Neither is zero pading. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1081 if (format->fill_char == '0') {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1082 PyErr_SetString(PyExc_ValueError,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1083 "Zero padding is not allowed in complex format "
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1084 "specifier");
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1085 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1086 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1087
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1088 /* Neither is '=' alignment . */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1089 if (format->align == '=') {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1090 PyErr_SetString(PyExc_ValueError,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1091 "'=' alignment flag is not allowed in complex format "
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1092 "specifier");
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1093 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1094 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1095
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1096 re = PyComplex_RealAsDouble(value);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1097 if (re == -1.0 && PyErr_Occurred())
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1098 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1099 im = PyComplex_ImagAsDouble(value);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1100 if (im == -1.0 && PyErr_Occurred())
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1101 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1102
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1103 if (type == '\0') {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1104 /* Omitted type specifier. Should be like str(self). */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1105 type = 'g';
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
1106 default_precision = PyFloat_STR_PRECISION;
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1107 add_parens = 1;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1108 if (re == 0.0)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1109 skip_re = 1;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1110 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1111
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1112 if (type == 'n')
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1113 /* 'n' is the same as 'g', except for the locale used to
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1114 format the result. We take care of that later. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1115 type = 'g';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1116
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1117 /* 'F' is the same as 'f', per the PEP */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1118 if (type == 'F')
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1119 type = 'f';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1120
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1121 if (precision < 0)
53802
1d8f24d40c2c Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53662
diff changeset
1122 precision = default_precision;
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1123
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1124 /* Cast "type", because if we're in unicode we need to pass a
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1125 8-bit char. This is safe, because we've restricted what "type"
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1126 can be. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1127 re_buf = PyOS_double_to_string(re, (char)type, precision, flags,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1128 &re_float_type);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1129 if (re_buf == NULL)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1130 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1131 im_buf = PyOS_double_to_string(im, (char)type, precision, flags,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1132 &im_float_type);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1133 if (im_buf == NULL)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1134 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1135
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1136 n_re_digits = strlen(re_buf);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1137 n_im_digits = strlen(im_buf);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1138
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1139 /* Since there is no unicode version of PyOS_double_to_string,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1140 just use the 8 bit version and then convert to unicode. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1141 #if STRINGLIB_IS_UNICODE
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1142 re_unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_re_digits)*sizeof(Py_UNICODE));
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1143 if (re_unicode_tmp == NULL) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1144 PyErr_NoMemory();
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1145 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1146 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1147 strtounicode(re_unicode_tmp, re_buf, n_re_digits);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1148 p_re = re_unicode_tmp;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1149
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1150 im_unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_im_digits)*sizeof(Py_UNICODE));
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1151 if (im_unicode_tmp == NULL) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1152 PyErr_NoMemory();
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1153 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1154 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1155 strtounicode(im_unicode_tmp, im_buf, n_im_digits);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1156 p_im = im_unicode_tmp;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1157 #else
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1158 p_re = re_buf;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1159 p_im = im_buf;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1160 #endif
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1161
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1162 /* Is a sign character present in the output? If so, remember it
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1163 and skip it */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1164 if (*p_re == '-') {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1165 re_sign_char = *p_re;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1166 ++p_re;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1167 --n_re_digits;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1168 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1169 if (*p_im == '-') {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1170 im_sign_char = *p_im;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1171 ++p_im;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1172 --n_im_digits;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1173 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1174
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1175 /* Determine if we have any "remainder" (after the digits, might include
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1176 decimal or exponent or both (or neither)) */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1177 parse_number(p_re, n_re_digits, &n_re_remainder, &re_has_decimal);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1178 parse_number(p_im, n_im_digits, &n_im_remainder, &im_has_decimal);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1179
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1180 /* Determine the grouping, separator, and decimal point, if any. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1181 get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE :
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1182 (format->thousands_separators ?
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1183 LT_DEFAULT_LOCALE :
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1184 LT_NO_LOCALE),
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1185 &locale);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1186
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1187 /* Turn off any padding. We'll do it later after we've composed
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1188 the numbers without padding. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1189 tmp_format.fill_char = '\0';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1190 tmp_format.align = '\0';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1191 tmp_format.width = -1;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1192
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1193 /* Calculate how much memory we'll need. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1194 n_re_total = calc_number_widths(&re_spec, 0, re_sign_char, p_re,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1195 n_re_digits, n_re_remainder,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1196 re_has_decimal, &locale, &tmp_format);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1197
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1198 /* Same formatting, but always include a sign. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1199 tmp_format.sign = '+';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1200 n_im_total = calc_number_widths(&im_spec, 0, im_sign_char, p_im,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1201 n_im_digits, n_im_remainder,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1202 im_has_decimal, &locale, &tmp_format);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1203
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1204 if (skip_re)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1205 n_re_total = 0;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1206
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1207 /* Add 1 for the 'j', and optionally 2 for parens. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1208 calc_padding(n_re_total + n_im_total + 1 + add_parens * 2,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1209 format->width, format->align, &lpad, &rpad, &total);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1210
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1211 result = STRINGLIB_NEW(NULL, total);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1212 if (result == NULL)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1213 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1214
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1215 /* Populate the memory. First, the padding. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1216 p = fill_padding(STRINGLIB_STR(result),
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1217 n_re_total + n_im_total + 1 + add_parens * 2,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1218 format->fill_char=='\0' ? ' ' : format->fill_char,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1219 lpad, rpad);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1220
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1221 if (add_parens)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1222 *p++ = '(';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1223
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1224 if (!skip_re) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1225 fill_number(p, &re_spec, p_re, n_re_digits, NULL, 0, &locale, 0);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1226 p += n_re_total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1227 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1228 fill_number(p, &im_spec, p_im, n_im_digits, NULL, 0, &locale, 0);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1229 p += n_im_total;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1230 *p++ = 'j';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1231
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1232 if (add_parens)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1233 *p++ = ')';
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1234
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1235 done:
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1236 PyMem_Free(re_buf);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1237 PyMem_Free(im_buf);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1238 #if STRINGLIB_IS_UNICODE
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1239 PyMem_Free(re_unicode_tmp);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1240 PyMem_Free(im_unicode_tmp);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1241 #endif
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1242 return result;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1243 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1244 #endif /* FORMAT_COMPLEX */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1245
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1246 /************************************************************************/
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1247 /*********** built in formatters ****************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1248 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1249 PyObject *
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1250 FORMAT_STRING(PyObject *obj,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1251 STRINGLIB_CHAR *format_spec,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1252 Py_ssize_t format_spec_len)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1253 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1254 InternalFormatSpec format;
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1255 PyObject *result = NULL;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1256
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1257 /* check for the special case of zero length format spec, make
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1258 it equivalent to str(obj) */
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1259 if (format_spec_len == 0) {
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1260 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1261 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1262 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1263
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1264 /* parse the format_spec */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1265 if (!parse_internal_render_format_spec(format_spec, format_spec_len,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1266 &format, 's'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1267 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1268
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1269 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1270 switch (format.type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1271 case 's':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1272 /* no type conversion needed, already a string. do the formatting */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1273 result = format_string_internal(obj, &format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1274 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1275 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1276 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
1277 unknown_presentation_type(format.type, obj->ob_type->tp_name);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1278 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1279 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1280
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1281 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1282 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1283 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1284
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1285 #if defined FORMAT_LONG || defined FORMAT_INT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1286 static PyObject*
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1287 format_int_or_long(PyObject* obj,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1288 STRINGLIB_CHAR *format_spec,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1289 Py_ssize_t format_spec_len,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1290 IntOrLongToString tostring)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1291 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1292 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1293 PyObject *tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1294 InternalFormatSpec format;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1295
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1296 /* check for the special case of zero length format spec, make
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1297 it equivalent to str(obj) */
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1298 if (format_spec_len == 0) {
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1299 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1300 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1301 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1302
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1303 /* parse the format_spec */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1304 if (!parse_internal_render_format_spec(format_spec,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1305 format_spec_len,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1306 &format, 'd'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1307 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1308
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1309 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1310 switch (format.type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1311 case 'b':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1312 case 'c':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1313 case 'd':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1314 case 'o':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1315 case 'x':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1316 case 'X':
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
1317 case 'n':
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1318 /* no type conversion needed, already an int (or long). do
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1319 the formatting */
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1320 result = format_int_or_long_internal(obj, &format, tostring);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1321 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1322
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1323 case 'e':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1324 case 'E':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1325 case 'f':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1326 case 'F':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1327 case 'g':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1328 case 'G':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1329 case '%':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1330 /* convert to float */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1331 tmp = PyNumber_Float(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1332 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1333 goto done;
53116
12a8d1947167 Merged revisions 71548 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 52405
diff changeset
1334 result = format_float_internal(tmp, &format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1335 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1336
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1337 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1338 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
1339 unknown_presentation_type(format.type, obj->ob_type->tp_name);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1340 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1341 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1342
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1343 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1344 Py_XDECREF(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1345 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1346 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1347 #endif /* FORMAT_LONG || defined FORMAT_INT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1348
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1349 #ifdef FORMAT_LONG
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1350 /* Need to define long_format as a function that will convert a long
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1351 to a string. In 3.0, _PyLong_Format has the correct signature. In
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1352 2.x, we need to fudge a few parameters */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1353 #if PY_VERSION_HEX >= 0x03000000
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1354 #define long_format _PyLong_Format
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1355 #else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1356 static PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1357 long_format(PyObject* value, int base)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1358 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1359 /* Convert to base, don't add trailing 'L', and use the new octal
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1360 format. We already know this is a long object */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1361 assert(PyLong_Check(value));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1362 /* convert to base, don't add 'L', and use the new octal format */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1363 return _PyLong_Format(value, base, 0, 1);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1364 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1365 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1366
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1367 PyObject *
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1368 FORMAT_LONG(PyObject *obj,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1369 STRINGLIB_CHAR *format_spec,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1370 Py_ssize_t format_spec_len)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1371 {
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1372 return format_int_or_long(obj, format_spec, format_spec_len,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1373 long_format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1374 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1375 #endif /* FORMAT_LONG */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1376
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1377 #ifdef FORMAT_INT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1378 /* this is only used for 2.x, not 3.0 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1379 static PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1380 int_format(PyObject* value, int base)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1381 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1382 /* Convert to base, and use the new octal format. We already
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1383 know this is an int object */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1384 assert(PyInt_Check(value));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1385 return _PyInt_Format((PyIntObject*)value, base, 1);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1386 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1387
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1388 PyObject *
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1389 FORMAT_INT(PyObject *obj,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1390 STRINGLIB_CHAR *format_spec,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1391 Py_ssize_t format_spec_len)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1392 {
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1393 return format_int_or_long(obj, format_spec, format_spec_len,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1394 int_format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1395 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1396 #endif /* FORMAT_INT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1397
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1398 #ifdef FORMAT_FLOAT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1399 PyObject *
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1400 FORMAT_FLOAT(PyObject *obj,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1401 STRINGLIB_CHAR *format_spec,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1402 Py_ssize_t format_spec_len)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1403 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1404 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1405 InternalFormatSpec format;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1406
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1407 /* check for the special case of zero length format spec, make
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1408 it equivalent to str(obj) */
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1409 if (format_spec_len == 0) {
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1410 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1411 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1412 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1413
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1414 /* parse the format_spec */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1415 if (!parse_internal_render_format_spec(format_spec,
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1416 format_spec_len,
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1417 &format, '\0'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1418 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1419
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1420 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1421 switch (format.type) {
53312
c5e0d9beebf9 Backport of some of the work in r71665 to trunk. This reworks much of
Eric Smith <eric@trueblade.com>
parents: 53116
diff changeset
1422 case '\0': /* No format code: like 'g', but with at least one decimal. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1423 case 'e':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1424 case 'E':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1425 case 'f':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1426 case 'F':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1427 case 'g':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1428 case 'G':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1429 case 'n':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1430 case '%':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1431 /* no conversion, already a float. do the formatting */
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1432 result = format_float_internal(obj, &format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1433 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1434
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1435 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1436 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
1437 unknown_presentation_type(format.type, obj->ob_type->tp_name);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1438 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1439 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1440
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1441 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1442 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1443 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1444 #endif /* FORMAT_FLOAT */
53629
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1445
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1446 #ifdef FORMAT_COMPLEX
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1447 PyObject *
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1448 FORMAT_COMPLEX(PyObject *obj,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1449 STRINGLIB_CHAR *format_spec,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1450 Py_ssize_t format_spec_len)
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1451 {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1452 PyObject *result = NULL;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1453 InternalFormatSpec format;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1454
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1455 /* check for the special case of zero length format spec, make
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1456 it equivalent to str(obj) */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1457 if (format_spec_len == 0) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1458 result = STRINGLIB_TOSTR(obj);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1459 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1460 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1461
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1462 /* parse the format_spec */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1463 if (!parse_internal_render_format_spec(format_spec,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1464 format_spec_len,
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1465 &format, '\0'))
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1466 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1467
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1468 /* type conversion? */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1469 switch (format.type) {
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1470 case '\0': /* No format code: like 'g', but with at least one decimal. */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1471 case 'e':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1472 case 'E':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1473 case 'f':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1474 case 'F':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1475 case 'g':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1476 case 'G':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1477 case 'n':
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1478 /* no conversion, already a complex. do the formatting */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1479 result = format_complex_internal(obj, &format);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1480 break;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1481
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1482 default:
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1483 /* unknown */
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1484 unknown_presentation_type(format.type, obj->ob_type->tp_name);
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1485 goto done;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1486 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1487
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1488 done:
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1489 return result;
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1490 }
34e7c1b14495 Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53318
diff changeset
1491 #endif /* FORMAT_COMPLEX */