annotate Objects/stringlib/formatter.h @ 58925:eecf1bef052d 2.6

Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents d6889da0652c
children e38335d4df91
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 /* Before including this, you must include either:
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5 stringlib/unicodedefs.h
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6 stringlib/stringdefs.h
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7
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8 Also, you should define the names:
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9 FORMAT_STRING
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10 FORMAT_LONG
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11 FORMAT_FLOAT
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12 to be whatever you want the public names of these functions to
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13 be. These are the only non-static functions defined here.
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14 */
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15
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16 #define ALLOW_PARENS_FOR_SIGN 0
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17
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18 /* Raises an exception about an unknown presentation type for this
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19 * type. */
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20
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21 static void
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22 unknown_presentation_type(STRINGLIB_CHAR presentation_type,
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23 const char* type_name)
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24 {
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25 #if STRINGLIB_IS_UNICODE
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26 /* If STRINGLIB_CHAR is Py_UNICODE, %c might be out-of-range,
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27 hence the two cases. If it is char, gcc complains that the
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28 condition below is always true, hence the ifdef. */
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29 if (presentation_type > 32 && presentation_type < 128)
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30 #endif
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31 PyErr_Format(PyExc_ValueError,
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32 "Unknown format code '%c' "
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33 "for object of type '%.200s'",
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34 (char)presentation_type,
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35 type_name);
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36 #if STRINGLIB_IS_UNICODE
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37 else
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38 PyErr_Format(PyExc_ValueError,
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39 "Unknown format code '\\x%x' "
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40 "for object of type '%.200s'",
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41 (unsigned int)presentation_type,
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42 type_name);
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43 #endif
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44 }
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45
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46 /*
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47 get_integer consumes 0 or more decimal digit characters from an
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48 input string, updates *result with the corresponding positive
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49 integer, and returns the number of digits consumed.
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50
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51 returns -1 on error.
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52 */
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53 static int
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54 get_integer(STRINGLIB_CHAR **ptr, STRINGLIB_CHAR *end,
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55 Py_ssize_t *result)
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56 {
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57 Py_ssize_t accumulator, digitval, oldaccumulator;
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58 int numdigits;
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59 accumulator = numdigits = 0;
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60 for (;;(*ptr)++, numdigits++) {
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61 if (*ptr >= end)
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62 break;
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63 digitval = STRINGLIB_TODECIMAL(**ptr);
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64 if (digitval < 0)
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65 break;
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66 /*
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67 This trick was copied from old Unicode format code. It's cute,
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68 but would really suck on an old machine with a slow divide
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69 implementation. Fortunately, in the normal case we do not
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70 expect too many digits.
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71 */
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72 oldaccumulator = accumulator;
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73 accumulator *= 10;
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74 if ((accumulator+10)/10 != oldaccumulator+1) {
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75 PyErr_Format(PyExc_ValueError,
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76 "Too many decimal digits in format string");
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77 return -1;
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78 }
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79 accumulator += digitval;
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80 }
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81 *result = accumulator;
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82 return numdigits;
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83 }
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84
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85 /************************************************************************/
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86 /*********** standard format specifier parsing **************************/
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87 /************************************************************************/
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88
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89 /* returns true if this character is a specifier alignment token */
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90 Py_LOCAL_INLINE(int)
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91 is_alignment_token(STRINGLIB_CHAR c)
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92 {
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93 switch (c) {
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94 case '<': case '>': case '=': case '^':
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95 return 1;
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96 default:
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97 return 0;
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98 }
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99 }
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100
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101 /* returns true if this character is a sign element */
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102 Py_LOCAL_INLINE(int)
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103 is_sign_element(STRINGLIB_CHAR c)
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104 {
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105 switch (c) {
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106 case ' ': case '+': case '-':
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107 #if ALLOW_PARENS_FOR_SIGN
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108 case '(':
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109 #endif
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110 return 1;
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111 default:
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112 return 0;
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113 }
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114 }
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115
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116
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117 typedef struct {
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118 STRINGLIB_CHAR fill_char;
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119 STRINGLIB_CHAR align;
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120 int alternate;
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121 STRINGLIB_CHAR sign;
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122 Py_ssize_t width;
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123 Py_ssize_t precision;
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124 STRINGLIB_CHAR type;
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125 } InternalFormatSpec;
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126
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127 /*
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128 ptr points to the start of the format_spec, end points just past its end.
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129 fills in format with the parsed information.
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130 returns 1 on success, 0 on failure.
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131 if failure, sets the exception
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132 */
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133 static int
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134 parse_internal_render_format_spec(STRINGLIB_CHAR *format_spec,
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135 Py_ssize_t format_spec_len,
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136 InternalFormatSpec *format,
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137 char default_type)
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138 {
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139 STRINGLIB_CHAR *ptr = format_spec;
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140 STRINGLIB_CHAR *end = format_spec + format_spec_len;
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141
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142 /* end-ptr is used throughout this code to specify the length of
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143 the input string */
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144
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145 Py_ssize_t specified_width;
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146
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147 format->fill_char = '\0';
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148 format->align = '\0';
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149 format->alternate = 0;
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150 format->sign = '\0';
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151 format->width = -1;
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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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156 then parse the fill char */
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157 if (end-ptr >= 2 && is_alignment_token(ptr[1])) {
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158 format->align = ptr[1];
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159 format->fill_char = ptr[0];
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160 ptr += 2;
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161 }
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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 #if ALLOW_PARENS_FOR_SIGN
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172 if (end-ptr >= 1 && ptr[0] == ')') {
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173 ++ptr;
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174 }
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175 #endif
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176 }
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177
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178 /* If the next character is #, we're in alternate mode. This only
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179 applies to integers. */
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180 if (end-ptr >= 1 && ptr[0] == '#') {
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181 format->alternate = 1;
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182 ++ptr;
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183 }
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184
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185 /* The special case for 0-padding (backwards compat) */
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186 if (format->fill_char == '\0' && end-ptr >= 1 && ptr[0] == '0') {
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187 format->fill_char = '0';
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188 if (format->align == '\0') {
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189 format->align = '=';
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190 }
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191 ++ptr;
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192 }
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193
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194 /* XXX add error checking */
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195 specified_width = get_integer(&ptr, end, &format->width);
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196
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197 /* if specified_width is 0, we didn't consume any characters for
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198 the width. in that case, reset the width to -1, because
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199 get_integer() will have set it to zero */
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200 if (specified_width == 0) {
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201 format->width = -1;
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202 }
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203
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204 /* Parse field precision */
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205 if (end-ptr && ptr[0] == '.') {
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206 ++ptr;
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207
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208 /* XXX add error checking */
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209 specified_width = get_integer(&ptr, end, &format->precision);
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210
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211 /* not having a precision after a dot is an error */
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212 if (specified_width == 0) {
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213 PyErr_Format(PyExc_ValueError,
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214 "Format specifier missing precision");
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215 return 0;
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216 }
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217
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218 }
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219
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220 /* Finally, parse the type field */
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221
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222 if (end-ptr > 1) {
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223 /* invalid conversion spec */
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224 PyErr_Format(PyExc_ValueError, "Invalid conversion specification");
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225 return 0;
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226 }
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227
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228 if (end-ptr == 1) {
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229 format->type = ptr[0];
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230 ++ptr;
45381
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231 }
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232
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233 return 1;
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234 }
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235
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236 #if defined FORMAT_FLOAT || defined FORMAT_LONG
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237 /************************************************************************/
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238 /*********** common routines for numeric formatting *********************/
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239 /************************************************************************/
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240
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241 /* describes the layout for an integer, see the comment in
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3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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242 calc_number_widths() for details */
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243 typedef struct {
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244 Py_ssize_t n_lpadding;
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245 Py_ssize_t n_prefix;
45381
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246 Py_ssize_t n_spadding;
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247 Py_ssize_t n_rpadding;
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248 char lsign;
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249 Py_ssize_t n_lsign;
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250 char rsign;
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251 Py_ssize_t n_rsign;
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252 Py_ssize_t n_total; /* just a convenience, it's derivable from the
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diff changeset
253 other fields */
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254 } NumberFieldWidths;
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255
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256 /* not all fields of format are used. for example, precision is
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257 unused. should this take discrete params in order to be more clear
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258 about what it does? or is passing a single format parameter easier
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259 and more efficient enough to justify a little obfuscation? */
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260 static void
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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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261 calc_number_widths(NumberFieldWidths *spec, STRINGLIB_CHAR actual_sign,
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262 Py_ssize_t n_prefix, Py_ssize_t n_digits,
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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263 const InternalFormatSpec *format)
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264 {
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265 spec->n_lpadding = 0;
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266 spec->n_prefix = 0;
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267 spec->n_spadding = 0;
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268 spec->n_rpadding = 0;
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269 spec->lsign = '\0';
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270 spec->n_lsign = 0;
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271 spec->rsign = '\0';
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272 spec->n_rsign = 0;
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273
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274 /* the output will look like:
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275 | |
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276 | <lpadding> <lsign> <prefix> <spadding> <digits> <rsign> <rpadding> |
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277 | |
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278
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279 lsign and rsign are computed from format->sign and the actual
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280 sign of the number
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281
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282 prefix is given (it's for the '0x' prefix)
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283
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284 digits is already known
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285
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286 the total width is either given, or computed from the
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287 actual digits
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288
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289 only one of lpadding, spadding, and rpadding can be non-zero,
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290 and it's calculated from the width and other fields
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291 */
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292
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293 /* compute the various parts we're going to write */
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294 if (format->sign == '+') {
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295 /* always put a + or - */
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296 spec->n_lsign = 1;
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297 spec->lsign = (actual_sign == '-' ? '-' : '+');
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298 }
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299 #if ALLOW_PARENS_FOR_SIGN
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300 else if (format->sign == '(') {
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301 if (actual_sign == '-') {
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302 spec->n_lsign = 1;
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303 spec->lsign = '(';
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304 spec->n_rsign = 1;
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305 spec->rsign = ')';
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306 }
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307 }
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308 #endif
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309 else if (format->sign == ' ') {
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310 spec->n_lsign = 1;
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311 spec->lsign = (actual_sign == '-' ? '-' : ' ');
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312 }
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313 else {
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314 /* non specified, or the default (-) */
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315 if (actual_sign == '-') {
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316 spec->n_lsign = 1;
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317 spec->lsign = '-';
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318 }
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319 }
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320
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321 spec->n_prefix = n_prefix;
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322
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323 /* now the number of padding characters */
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324 if (format->width == -1) {
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325 /* no padding at all, nothing to do */
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326 }
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327 else {
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328 /* see if any padding is needed */
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329 if (spec->n_lsign + n_digits + spec->n_rsign +
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330 spec->n_prefix >= format->width) {
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331 /* no padding needed, we're already bigger than the
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332 requested width */
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333 }
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334 else {
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335 /* determine which of left, space, or right padding is
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diff changeset
336 needed */
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337 Py_ssize_t padding = format->width -
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338 (spec->n_lsign + spec->n_prefix +
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339 n_digits + spec->n_rsign);
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340 if (format->align == '<')
47983
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341 spec->n_rpadding = padding;
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342 else if (format->align == '>')
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diff changeset
343 spec->n_lpadding = padding;
45381
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344 else if (format->align == '^') {
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diff changeset
345 spec->n_lpadding = padding / 2;
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346 spec->n_rpadding = padding - spec->n_lpadding;
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347 }
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348 else if (format->align == '=')
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349 spec->n_spadding = padding;
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350 else
47983
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diff changeset
351 spec->n_lpadding = padding;
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352 }
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353 }
47983
a0963e46f43e Renamed a parameter in calc_number_widths, for consistency with the same parameter in fill_non_digits.
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diff changeset
354 spec->n_total = spec->n_lpadding + spec->n_lsign + spec->n_prefix +
a0963e46f43e Renamed a parameter in calc_number_widths, for consistency with the same parameter in fill_non_digits.
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diff changeset
355 spec->n_spadding + n_digits + spec->n_rsign + spec->n_rpadding;
45381
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356 }
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357
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diff changeset
358 /* fill in the non-digit parts of a numbers's string representation,
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
359 as determined in calc_number_widths(). returns the pointer to
45381
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diff changeset
360 where the digits go. */
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diff changeset
361 static STRINGLIB_CHAR *
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
362 fill_non_digits(STRINGLIB_CHAR *p_buf, const NumberFieldWidths *spec,
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
363 STRINGLIB_CHAR *prefix, Py_ssize_t n_digits,
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
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diff changeset
364 STRINGLIB_CHAR fill_char)
45381
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diff changeset
365 {
47973
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diff changeset
366 STRINGLIB_CHAR *p_digits;
45381
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367
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diff changeset
368 if (spec->n_lpadding) {
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diff changeset
369 STRINGLIB_FILL(p_buf, fill_char, spec->n_lpadding);
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diff changeset
370 p_buf += spec->n_lpadding;
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diff changeset
371 }
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parents:
diff changeset
372 if (spec->n_lsign == 1) {
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diff changeset
373 *p_buf++ = spec->lsign;
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diff changeset
374 }
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
375 if (spec->n_prefix) {
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
376 memmove(p_buf,
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diff changeset
377 prefix,
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
378 spec->n_prefix * sizeof(STRINGLIB_CHAR));
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
379 p_buf += spec->n_prefix;
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
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diff changeset
380 }
45381
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diff changeset
381 if (spec->n_spadding) {
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parents:
diff changeset
382 STRINGLIB_FILL(p_buf, fill_char, spec->n_spadding);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
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parents:
diff changeset
383 p_buf += spec->n_spadding;
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parents:
diff changeset
384 }
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Eric Smith <eric@trueblade.com>
parents:
diff changeset
385 p_digits = p_buf;
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diff changeset
386 p_buf += n_digits;
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parents:
diff changeset
387 if (spec->n_rsign == 1) {
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parents:
diff changeset
388 *p_buf++ = spec->rsign;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
389 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
390 if (spec->n_rpadding) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
391 STRINGLIB_FILL(p_buf, fill_char, spec->n_rpadding);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
392 p_buf += spec->n_rpadding;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
393 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
394 return p_digits;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
395 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
396 #endif /* FORMAT_FLOAT || FORMAT_LONG */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
397
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
398 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
399 /*********** string formatting ******************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
400 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
401
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
402 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
403 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
404 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
405 Py_ssize_t width; /* total field width */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
406 Py_ssize_t lpad;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
407 STRINGLIB_CHAR *dst;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
408 STRINGLIB_CHAR *src = STRINGLIB_STR(value);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
409 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
410 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
411
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
412 /* sign is not allowed on strings */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
413 if (format->sign != '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
414 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
415 "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
416 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
417 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
418
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
419 /* 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
420 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
421 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
422 "Alternate form (#) not allowed in string format "
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
423 "specifier");
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
424 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
425 }
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
426
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
427 /* '=' alignment not allowed on strings */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
428 if (format->align == '=') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
429 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
430 "'=' alignment not allowed "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
431 "in string format specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
432 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
433 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
434
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
435 /* 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
436 characters */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
437 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
438 len = format->precision;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
439 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
440
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
441 if (format->width >= 0) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
442 width = format->width;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
443
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
444 /* but use at least len characters */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
445 if (len > width) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
446 width = len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
447 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
448 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
449 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
450 /* not specified, use all of the chars and no more */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
451 width = len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
452 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
453
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
454 /* allocate the resulting string */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
455 result = STRINGLIB_NEW(NULL, width);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
456 if (result == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
457 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
458
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
459 /* now write into that space */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
460 dst = STRINGLIB_STR(result);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
461
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
462 /* figure out how much leading space we need, based on the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
463 aligning */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
464 if (format->align == '>')
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
465 lpad = width - len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
466 else if (format->align == '^')
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
467 lpad = (width - len) / 2;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
468 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
469 lpad = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
470
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
471 /* if right aligning, increment the destination allow space on the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
472 left */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
473 memcpy(dst + lpad, src, len * sizeof(STRINGLIB_CHAR));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
474
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
475 /* do any padding */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
476 if (width > len) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
477 STRINGLIB_CHAR fill_char = format->fill_char;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
478 if (fill_char == '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
479 /* use the default, if not specified */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
480 fill_char = ' ';
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
481 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
482
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
483 /* pad on left */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
484 if (lpad)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
485 STRINGLIB_FILL(dst, fill_char, lpad);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
486
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
487 /* pad on right */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
488 if (width - len - lpad)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
489 STRINGLIB_FILL(dst + len + lpad, fill_char, width - len - lpad);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
490 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
491
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
492 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
493 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
494 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
495
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
496
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
497 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
498 /*********** long formatting ********************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
499 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
500
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
501 #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
502 typedef PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
503 (*IntOrLongToString)(PyObject *value, int base);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
504
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
505 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
506 format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
507 IntOrLongToString tostring)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
508 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
509 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
510 PyObject *tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
511 STRINGLIB_CHAR *pnumeric_chars;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
512 STRINGLIB_CHAR numeric_char;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
513 STRINGLIB_CHAR sign = '\0';
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
514 STRINGLIB_CHAR *p;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
515 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
516 string */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
517 Py_ssize_t n_leading_chars;
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
518 Py_ssize_t n_grouping_chars = 0; /* Count of additional chars to
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
519 allocate, used for 'n'
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
520 formatting. */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
521 Py_ssize_t n_prefix = 0; /* Count of prefix chars, (e.g., '0x') */
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
522 STRINGLIB_CHAR *prefix = NULL;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
523 NumberFieldWidths spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
524 long x;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
525
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
526 /* no precision allowed on integers */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
527 if (format->precision != -1) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
528 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
529 "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
530 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
531 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
532
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
533
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
534 /* special case for character formatting */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
535 if (format->type == 'c') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
536 /* error to specify a sign */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
537 if (format->sign != '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
538 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
539 "Sign not allowed with integer"
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
540 " format specifier 'c'");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
541 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
542 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
543
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
544 /* taken from unicodeobject.c formatchar() */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
545 /* Integer input truncated to a character */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
546 /* XXX: won't work for int */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
547 x = PyLong_AsLong(value);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
548 if (x == -1 && PyErr_Occurred())
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
549 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
550 #ifdef Py_UNICODE_WIDE
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
551 if (x < 0 || x > 0x10ffff) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
552 PyErr_SetString(PyExc_OverflowError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
553 "%c arg not in range(0x110000) "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
554 "(wide Python build)");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
555 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
556 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
557 #else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
558 if (x < 0 || x > 0xffff) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
559 PyErr_SetString(PyExc_OverflowError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
560 "%c arg not in range(0x10000) "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
561 "(narrow Python build)");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
562 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
563 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
564 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
565 numeric_char = (STRINGLIB_CHAR)x;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
566 pnumeric_chars = &numeric_char;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
567 n_digits = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
568 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
569 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
570 int base;
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
571 int leading_chars_to_skip = 0; /* Number of characters added by
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
572 PyNumber_ToBase that we want to
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
573 skip over. */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
574
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
575 /* 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
576 PyNumber_ToBase */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
577 switch (format->type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
578 case 'b':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
579 base = 2;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
580 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
581 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
582 case 'o':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
583 base = 8;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
584 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
585 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
586 case 'x':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
587 case 'X':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
588 base = 16;
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
589 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
590 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
591 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
592 case 'd':
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
593 case 'n':
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
594 base = 10;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
595 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
596 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
597
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
598 /* The number of prefix chars is the same as the leading
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
599 chars to skip */
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
600 if (format->alternate)
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
601 n_prefix = leading_chars_to_skip;
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
602
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
603 /* Do the hard part, converting to a string in a given base */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
604 tmp = tostring(value, base);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
605 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
606 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
607
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
608 pnumeric_chars = STRINGLIB_STR(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
609 n_digits = STRINGLIB_LEN(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
610
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
611 prefix = pnumeric_chars;
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
612
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
613 /* Remember not to modify what pnumeric_chars points to. it
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
614 might be interned. Only modify it after we copy it into a
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
615 newly allocated output buffer. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
616
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
617 /* 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
618 and skip it */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
619 sign = pnumeric_chars[0];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
620 if (sign == '-') {
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
621 ++prefix;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
622 ++leading_chars_to_skip;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
623 }
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 /* Skip over the leading chars (0x, 0b, etc.) */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
626 n_digits -= leading_chars_to_skip;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
627 pnumeric_chars += leading_chars_to_skip;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
628 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
629
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
630 if (format->type == 'n')
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
631 /* Compute how many additional chars we need to allocate
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
632 to hold the thousands grouping. */
47815
752e1abaf15a Modified interface to _Py_[String|Unicode]InsertThousandsGrouping, in anticipation of fixing issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47392
diff changeset
633 STRINGLIB_GROUPING(NULL, n_digits, n_digits,
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
634 0, &n_grouping_chars, 0);
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
635
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
636 /* Calculate the widths of the various leading and trailing parts */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
637 calc_number_widths(&spec, sign, n_prefix, n_digits + n_grouping_chars,
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
638 format);
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
639
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
640 /* Allocate a new string to hold the result */
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
641 result = STRINGLIB_NEW(NULL, spec.n_total);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
642 if (!result)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
643 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
644 p = STRINGLIB_STR(result);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
645
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
646 /* XXX There is too much magic here regarding the internals of
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
647 spec and the location of the prefix and digits. It would be
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
648 better if calc_number_widths returned a number of logical
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
649 offsets into the buffer, and those were used. Maybe in a
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
650 future code cleanup. */
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
651
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
652 /* Fill in the digit parts */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
653 n_leading_chars = spec.n_lpadding + spec.n_lsign +
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
654 spec.n_prefix + spec.n_spadding;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
655 memmove(p + n_leading_chars,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
656 pnumeric_chars,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
657 n_digits * sizeof(STRINGLIB_CHAR));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
658
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
659 /* If type is 'X', convert the filled in digits to uppercase */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
660 if (format->type == 'X') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
661 Py_ssize_t t;
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
662 for (t = 0; t < n_digits; ++t)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
663 p[t + n_leading_chars] = STRINGLIB_TOUPPER(p[t + n_leading_chars]);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
664 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
665
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
666 /* Insert the grouping, if any, after the uppercasing of the digits, so
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
667 we can ensure that grouping chars won't be affected. */
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
668 if (n_grouping_chars) {
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
669 /* We know this can't fail, since we've already
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
670 reserved enough space. */
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
671 STRINGLIB_CHAR *pstart = p + n_leading_chars;
48847
Neal Norwitz <nnorwitz@gmail.com>
parents: 48003
diff changeset
672 #ifndef NDEBUG
Neal Norwitz <nnorwitz@gmail.com>
parents: 48003
diff changeset
673 int r =
Neal Norwitz <nnorwitz@gmail.com>
parents: 48003
diff changeset
674 #endif
Neal Norwitz <nnorwitz@gmail.com>
parents: 48003
diff changeset
675 STRINGLIB_GROUPING(pstart, n_digits, n_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
676 spec.n_total+n_grouping_chars-n_leading_chars,
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
677 NULL, 0);
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
678 assert(r);
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
679 }
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
680
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
681 /* Fill in the non-digit parts (padding, sign, etc.) */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
682 fill_non_digits(p, &spec, prefix, n_digits + n_grouping_chars,
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
683 format->fill_char == '\0' ? ' ' : format->fill_char);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
684
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
685 /* If type is 'X', uppercase the prefix. This has to be done after the
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
686 prefix is filled in by fill_non_digits */
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
687 if (format->type == 'X') {
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
688 Py_ssize_t t;
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
689 for (t = 0; t < n_prefix; ++t)
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
690 p[t + spec.n_lpadding + spec.n_lsign] =
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
691 STRINGLIB_TOUPPER(p[t + spec.n_lpadding + spec.n_lsign]);
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
692 }
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
693
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
694
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
695 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
696 Py_XDECREF(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
697 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
698 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
699 #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
700
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
701 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
702 /*********** float formatting *******************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
703 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
704
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
705 #ifdef FORMAT_FLOAT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
706 #if STRINGLIB_IS_UNICODE
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
707 /* taken from unicodeobject.c */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
708 static Py_ssize_t
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
709 strtounicode(Py_UNICODE *buffer, const char *charbuffer)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
710 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
711 register Py_ssize_t i;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
712 Py_ssize_t len = strlen(charbuffer);
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
713 for (i = len - 1; i >= 0; --i)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
714 buffer[i] = (Py_UNICODE) charbuffer[i];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
715
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
716 return len;
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 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
719
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
720 /* see FORMATBUFLEN in unicodeobject.c */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
721 #define FLOAT_FORMATBUFLEN 120
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
722
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
723 /* 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
724 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
725 format_float_internal(PyObject *value,
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
726 const InternalFormatSpec *format)
45381
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 /* fmt = '%.' + `prec` + `type` + '%%'
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
729 worst case length = 2 + 10 (len of INT_MAX) + 1 + 2 = 15 (use 20)*/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
730 char fmt[20];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
731
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
732 /* taken from unicodeobject.c */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
733 /* Worst case length calc to ensure no buffer overrun:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
734
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
735 'g' formats:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
736 fmt = %#.<prec>g
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
737 buf = '-' + [0-9]*prec + '.' + 'e+' + (longest exp
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
738 for any double rep.)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
739 len = 1 + prec + 1 + 2 + 5 = 9 + prec
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
740
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
741 'f' formats:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
742 buf = '-' + [0-9]*x + '.' + [0-9]*prec (with x < 50)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
743 len = 1 + 50 + 1 + prec = 52 + prec
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
744
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
745 If prec=0 the effective precision is 1 (the leading digit is
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
746 always given), therefore increase the length by one.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
747
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
748 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
749 char charbuf[FLOAT_FORMATBUFLEN];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
750 Py_ssize_t n_digits;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
751 double x;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
752 Py_ssize_t precision = format->precision;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
753 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
754 STRINGLIB_CHAR sign;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
755 char* trailing = "";
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
756 STRINGLIB_CHAR *p;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
757 NumberFieldWidths spec;
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
758 STRINGLIB_CHAR type = format->type;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
759
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
760 #if STRINGLIB_IS_UNICODE
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
761 Py_UNICODE unicodebuf[FLOAT_FORMATBUFLEN];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
762 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
763
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
764 /* alternate is not allowed on floats. */
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
765 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
766 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
767 "Alternate form (#) not allowed in float format "
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
768 "specifier");
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
769 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
770 }
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
771
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
772 /* first, do the conversion as 8-bit chars, using the platform's
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
773 snprintf. then, if needed, convert to unicode. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
774
48003
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
775 /* '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
776 if (type == 'F')
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
777 type = 'f';
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
778
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
779 x = PyFloat_AsDouble(value);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
780
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
781 if (x == -1.0 && PyErr_Occurred())
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
782 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
783
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
784 if (type == '%') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
785 type = 'f';
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
786 x *= 100;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
787 trailing = "%";
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
788 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
789
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
790 if (precision < 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
791 precision = 6;
52405
423c9477d6ef Merged revisions 70678 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 51756
diff changeset
792 if (type == 'f' && fabs(x) >= 1e50)
48003
5c33009994b4 Backed out r65069, pending fixing it in Windows.
Eric Smith <eric@trueblade.com>
parents: 48001
diff changeset
793 type = 'g';
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
794
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
795 /* cast "type", because if we're in unicode we need to pass a
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
796 8-bit char. this is safe, because we've restricted what "type"
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
797 can be */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
798 PyOS_snprintf(fmt, sizeof(fmt), "%%.%" PY_FORMAT_SIZE_T "d%c", precision,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
799 (char)type);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
800
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
801 /* do the actual formatting */
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
802 PyOS_ascii_formatd(charbuf, sizeof(charbuf), fmt, x);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
803
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
804 /* adding trailing to fmt with PyOS_snprintf doesn't work, not
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
805 sure why. we'll just concatentate it here, no harm done. we
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
806 know we can't have a buffer overflow from the fmt size
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
807 analysis */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
808 strcat(charbuf, trailing);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
809
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
810 /* rather than duplicate the code for snprintf for both unicode
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
811 and 8 bit strings, we just use the 8 bit version and then
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
812 convert to unicode in a separate code path. that's probably
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
813 the lesser of 2 evils. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
814 #if STRINGLIB_IS_UNICODE
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
815 n_digits = strtounicode(unicodebuf, charbuf);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
816 p = unicodebuf;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
817 #else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
818 /* compute the length. I believe this is done because the return
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
819 value from snprintf above is unreliable */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
820 n_digits = strlen(charbuf);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
821 p = charbuf;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
822 #endif
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 /* 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
825 and skip it */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
826 sign = p[0];
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
827 if (sign == '-') {
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
828 ++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
829 --n_digits;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
830 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
831
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
832 calc_number_widths(&spec, sign, 0, n_digits, format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
833
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
834 /* allocate a string with enough space */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
835 result = STRINGLIB_NEW(NULL, spec.n_total);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
836 if (result == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
837 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
838
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
839 /* Fill in the non-digit parts (padding, sign, etc.) */
47973
3fa44e5e4e2b Complete issue 3083: add alternate (#) formatting to bin, oct, hex in str.format().
Eric Smith <eric@trueblade.com>
parents: 47959
diff changeset
840 fill_non_digits(STRINGLIB_STR(result), &spec, NULL, n_digits,
47819
12be44c6a702 Fixed formatting with thousands separator and padding. Resolves issue 3140.
Eric Smith <eric@trueblade.com>
parents: 47817
diff changeset
841 format->fill_char == '\0' ? ' ' : format->fill_char);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
842
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
843 /* fill in the digit parts */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
844 memmove(STRINGLIB_STR(result) +
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
845 (spec.n_lpadding + spec.n_lsign + spec.n_spadding),
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
846 p,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
847 n_digits * sizeof(STRINGLIB_CHAR));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
848
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
849 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
850 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
851 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
852 #endif /* FORMAT_FLOAT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
853
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 /*********** built in formatters ****************************************/
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 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
858 FORMAT_STRING(PyObject *obj,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
859 STRINGLIB_CHAR *format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
860 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
861 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
862 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
863 PyObject *result = NULL;
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
864
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
865 /* 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
866 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
867 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
868 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
869 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
870 }
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 /* 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
873 if (!parse_internal_render_format_spec(format_spec, format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
874 &format, 's'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
875 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
876
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
877 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
878 switch (format.type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
879 case 's':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
880 /* 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
881 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
882 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
883 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
884 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
885 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
886 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
887 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
888
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
889 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
890 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
891 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
892
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
893 #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
894 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
895 format_int_or_long(PyObject* obj,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
896 STRINGLIB_CHAR *format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
897 Py_ssize_t format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
898 IntOrLongToString tostring)
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
899 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
900 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
901 PyObject *tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
902 InternalFormatSpec format;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
903
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
904 /* 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
905 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
906 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
907 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
908 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
909 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
910
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
911 /* 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
912 if (!parse_internal_render_format_spec(format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
913 format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
914 &format, 'd'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
915 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
916
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
917 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
918 switch (format.type) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
919 case 'b':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
920 case 'c':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
921 case 'd':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
922 case 'o':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
923 case 'x':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
924 case 'X':
46898
206700d749f0 Addresses issue 2802: 'n' formatting for integers.
Eric Smith <eric@trueblade.com>
parents: 46333
diff changeset
925 case 'n':
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
926 /* no type conversion needed, already an int (or long). do
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
927 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
928 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
929 break;
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 case 'e':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
932 case 'E':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
933 case 'f':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
934 case 'F':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
935 case 'g':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
936 case 'G':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
937 case '%':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
938 /* 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
939 tmp = PyNumber_Float(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
940 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
941 goto done;
53116
12a8d1947167 Merged revisions 71548 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 52405
diff changeset
942 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
943 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
944
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
945 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
946 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
947 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
948 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
949 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
950
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
951 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
952 Py_XDECREF(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
953 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
954 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
955 #endif /* FORMAT_LONG || defined FORMAT_INT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
956
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
957 #ifdef FORMAT_LONG
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
958 /* 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
959 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
960 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
961 #if PY_VERSION_HEX >= 0x03000000
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
962 #define long_format _PyLong_Format
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
963 #else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
964 static PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
965 long_format(PyObject* value, int base)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
966 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
967 /* 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
968 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
969 assert(PyLong_Check(value));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
970 /* 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
971 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
972 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
973 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
974
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
975 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
976 FORMAT_LONG(PyObject *obj,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
977 STRINGLIB_CHAR *format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
978 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
979 {
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
980 return format_int_or_long(obj, format_spec, format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
981 long_format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
982 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
983 #endif /* FORMAT_LONG */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
984
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
985 #ifdef FORMAT_INT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
986 /* 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
987 static PyObject*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
988 int_format(PyObject* value, int base)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
989 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
990 /* 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
991 know this is an int object */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
992 assert(PyInt_Check(value));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
993 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
994 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
995
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
996 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
997 FORMAT_INT(PyObject *obj,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
998 STRINGLIB_CHAR *format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
999 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
1000 {
47392
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1001 return format_int_or_long(obj, format_spec, format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1002 int_format);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1003 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1004 #endif /* FORMAT_INT */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1005
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1006 #ifdef FORMAT_FLOAT
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1007 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
1008 FORMAT_FLOAT(PyObject *obj,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1009 STRINGLIB_CHAR *format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1010 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
1011 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1012 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1013 InternalFormatSpec format;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1014
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1015 /* 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
1016 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
1017 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
1018 result = STRINGLIB_TOSTR(obj);
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1019 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1020 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1021
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1022 /* 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
1023 if (!parse_internal_render_format_spec(format_spec,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1024 format_spec_len,
47ef9a806ce9 Refactor and clean up str.format() code (and helpers) in advance of optimizations.
Eric Smith <eric@trueblade.com>
parents: 47294
diff changeset
1025 &format, '\0'))
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1026 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1027
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1028 /* type conversion? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1029 switch (format.type) {
45785
4d29127f3fa0 Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Eric Smith <eric@trueblade.com>
parents: 45404
diff changeset
1030 case '\0':
4d29127f3fa0 Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Eric Smith <eric@trueblade.com>
parents: 45404
diff changeset
1031 /* 'Z' means like 'g', but with at least one decimal. See
4d29127f3fa0 Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Eric Smith <eric@trueblade.com>
parents: 45404
diff changeset
1032 PyOS_ascii_formatd */
4d29127f3fa0 Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Eric Smith <eric@trueblade.com>
parents: 45404
diff changeset
1033 format.type = 'Z';
4d29127f3fa0 Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Eric Smith <eric@trueblade.com>
parents: 45404
diff changeset
1034 /* Deliberate fall through to the next case statement */
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1035 case 'e':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1036 case 'E':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1037 case 'f':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1038 case 'F':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1039 case 'g':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1040 case 'G':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1041 case 'n':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1042 case '%':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1043 /* 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
1044 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
1045 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1046
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1047 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1048 /* unknown */
51756
164ba7ffa0ee Merged revisions 69806 via svnmerge from
Eric Smith <eric@trueblade.com>
parents: 48847
diff changeset
1049 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
1050 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1051 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1052
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1053 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1054 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1055 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
diff changeset
1056 #endif /* FORMAT_FLOAT */