annotate Modules/unicodedata.c @ 79691:05c8928362ee

Merge __next__ method link fixes with 3.3.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 12 Oct 2012 13:46:37 +0300
parents c843ec292a8b
children d8218745c24a
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1 /* ------------------------------------------------------------------------
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2
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3 unicodedata -- Provides access to the Unicode database.
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4
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5 Data was extracted from the UnicodeData.txt file.
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6 The current version number is reported in the unidata_version constant.
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7
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8 Written by Marc-Andre Lemburg (mal@lemburg.com).
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9 Modified for Python 2.0 by Fredrik Lundh (fredrik@pythonware.com)
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10 Modified by Martin v. Löwis (martin@v.loewis.de)
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12 Copyright (c) Corporation for National Research Initiatives.
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13
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14 ------------------------------------------------------------------------ */
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15
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16 #include "Python.h"
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17 #include "ucnhash.h"
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18 #include "structmember.h"
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19
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20 /* character properties */
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21
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22 typedef struct {
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23 const unsigned char category; /* index into
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24 _PyUnicode_CategoryNames */
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25 const unsigned char combining; /* combining class value 0 - 255 */
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26 const unsigned char bidirectional; /* index into
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27 _PyUnicode_BidirectionalNames */
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28 const unsigned char mirrored; /* true if mirrored in bidir mode */
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29 const unsigned char east_asian_width; /* index into
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30 _PyUnicode_EastAsianWidth */
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31 const unsigned char normalization_quick_check; /* see is_normalized() */
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32 } _PyUnicode_DatabaseRecord;
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33
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34 typedef struct change_record {
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35 /* sequence of fields should be the same as in merge_old_version */
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36 const unsigned char bidir_changed;
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37 const unsigned char category_changed;
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38 const unsigned char decimal_changed;
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39 const unsigned char mirrored_changed;
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40 const double numeric_changed;
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41 } change_record;
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42
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43 /* data file generated by Tools/unicode/makeunicodedata.py */
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44 #include "unicodedata_db.h"
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45
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46 static const _PyUnicode_DatabaseRecord*
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47 _getrecord_ex(Py_UCS4 code)
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48 {
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49 int index;
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50 if (code >= 0x110000)
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51 index = 0;
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52 else {
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53 index = index1[(code>>SHIFT)];
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54 index = index2[(index<<SHIFT)+(code&((1<<SHIFT)-1))];
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55 }
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56
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57 return &_PyUnicode_Database_Records[index];
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58 }
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59
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60 /* ------------- Previous-version API ------------------------------------- */
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61 typedef struct previous_version {
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62 PyObject_HEAD
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63 const char *name;
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64 const change_record* (*getrecord)(Py_UCS4);
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65 Py_UCS4 (*normalization)(Py_UCS4);
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66 } PreviousDBVersion;
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67
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68 #define get_old_record(self, v) ((((PreviousDBVersion*)self)->getrecord)(v))
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69
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70 static PyMemberDef DB_members[] = {
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71 {"unidata_version", T_STRING, offsetof(PreviousDBVersion, name), READONLY},
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72 {NULL}
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73 };
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74
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75 /* forward declaration */
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76 static PyTypeObject UCD_Type;
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77 #define UCD_Check(o) (Py_TYPE(o)==&UCD_Type)
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78
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79 static PyObject*
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80 new_previous_version(const char*name, const change_record* (*getrecord)(Py_UCS4),
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81 Py_UCS4 (*normalization)(Py_UCS4))
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82 {
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83 PreviousDBVersion *self;
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84 self = PyObject_New(PreviousDBVersion, &UCD_Type);
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85 if (self == NULL)
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86 return NULL;
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87 self->name = name;
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88 self->getrecord = getrecord;
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89 self->normalization = normalization;
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90 return (PyObject*)self;
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91 }
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92
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93
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94 static Py_UCS4 getuchar(PyUnicodeObject *obj)
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95 {
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96 if (PyUnicode_READY(obj))
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97 return (Py_UCS4)-1;
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98 if (PyUnicode_GET_LENGTH(obj) == 1) {
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99 if (PyUnicode_READY(obj))
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100 return (Py_UCS4)-1;
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101 return PyUnicode_READ_CHAR(obj, 0);
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102 }
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103 PyErr_SetString(PyExc_TypeError,
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104 "need a single Unicode character as parameter");
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105 return (Py_UCS4)-1;
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106 }
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107
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108 /* --- Module API --------------------------------------------------------- */
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109
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110 PyDoc_STRVAR(unicodedata_decimal__doc__,
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111 "decimal(unichr[, default])\n\
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112 \n\
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113 Returns the decimal value assigned to the Unicode character unichr\n\
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114 as integer. If no such value is defined, default is returned, or, if\n\
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115 not given, ValueError is raised.");
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116
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117 static PyObject *
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118 unicodedata_decimal(PyObject *self, PyObject *args)
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119 {
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120 PyUnicodeObject *v;
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121 PyObject *defobj = NULL;
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122 int have_old = 0;
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123 long rc;
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124 Py_UCS4 c;
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125
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126 if (!PyArg_ParseTuple(args, "O!|O:decimal", &PyUnicode_Type, &v, &defobj))
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127 return NULL;
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128 c = getuchar(v);
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129 if (c == (Py_UCS4)-1)
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130 return NULL;
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131
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132 if (self && UCD_Check(self)) {
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133 const change_record *old = get_old_record(self, c);
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134 if (old->category_changed == 0) {
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135 /* unassigned */
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136 have_old = 1;
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137 rc = -1;
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138 }
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139 else if (old->decimal_changed != 0xFF) {
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140 have_old = 1;
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141 rc = old->decimal_changed;
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142 }
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143 }
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144
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145 if (!have_old)
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146 rc = Py_UNICODE_TODECIMAL(c);
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147 if (rc < 0) {
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148 if (defobj == NULL) {
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149 PyErr_SetString(PyExc_ValueError,
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150 "not a decimal");
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151 return NULL;
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152 }
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153 else {
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154 Py_INCREF(defobj);
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155 return defobj;
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156 }
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157 }
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158 return PyLong_FromLong(rc);
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159 }
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160
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161 PyDoc_STRVAR(unicodedata_digit__doc__,
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162 "digit(unichr[, default])\n\
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163 \n\
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164 Returns the digit value assigned to the Unicode character unichr as\n\
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165 integer. If no such value is defined, default is returned, or, if\n\
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166 not given, ValueError is raised.");
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167
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168 static PyObject *
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169 unicodedata_digit(PyObject *self, PyObject *args)
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170 {
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171 PyUnicodeObject *v;
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172 PyObject *defobj = NULL;
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173 long rc;
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174 Py_UCS4 c;
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175
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176 if (!PyArg_ParseTuple(args, "O!|O:digit", &PyUnicode_Type, &v, &defobj))
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177 return NULL;
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178 c = getuchar(v);
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179 if (c == (Py_UCS4)-1)
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180 return NULL;
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181 rc = Py_UNICODE_TODIGIT(c);
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182 if (rc < 0) {
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183 if (defobj == NULL) {
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184 PyErr_SetString(PyExc_ValueError, "not a digit");
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185 return NULL;
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186 }
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187 else {
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188 Py_INCREF(defobj);
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189 return defobj;
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190 }
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191 }
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192 return PyLong_FromLong(rc);
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193 }
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194
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195 PyDoc_STRVAR(unicodedata_numeric__doc__,
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196 "numeric(unichr[, default])\n\
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197 \n\
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198 Returns the numeric value assigned to the Unicode character unichr\n\
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199 as float. If no such value is defined, default is returned, or, if\n\
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200 not given, ValueError is raised.");
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201
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202 static PyObject *
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203 unicodedata_numeric(PyObject *self, PyObject *args)
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204 {
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205 PyUnicodeObject *v;
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206 PyObject *defobj = NULL;
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207 int have_old = 0;
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208 double rc;
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209 Py_UCS4 c;
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210
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211 if (!PyArg_ParseTuple(args, "O!|O:numeric", &PyUnicode_Type, &v, &defobj))
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212 return NULL;
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213 c = getuchar(v);
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214 if (c == (Py_UCS4)-1)
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215 return NULL;
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216
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217 if (self && UCD_Check(self)) {
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218 const change_record *old = get_old_record(self, c);
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219 if (old->category_changed == 0) {
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220 /* unassigned */
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221 have_old = 1;
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222 rc = -1.0;
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223 }
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224 else if (old->decimal_changed != 0xFF) {
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225 have_old = 1;
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226 rc = old->decimal_changed;
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227 }
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228 }
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229
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230 if (!have_old)
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231 rc = Py_UNICODE_TONUMERIC(c);
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232 if (rc == -1.0) {
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233 if (defobj == NULL) {
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234 PyErr_SetString(PyExc_ValueError, "not a numeric character");
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235 return NULL;
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236 }
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237 else {
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238 Py_INCREF(defobj);
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239 return defobj;
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240 }
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241 }
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242 return PyFloat_FromDouble(rc);
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243 }
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244
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245 PyDoc_STRVAR(unicodedata_category__doc__,
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246 "category(unichr)\n\
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247 \n\
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248 Returns the general category assigned to the Unicode character\n\
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249 unichr as string.");
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250
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251 static PyObject *
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252 unicodedata_category(PyObject *self, PyObject *args)
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253 {
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254 PyUnicodeObject *v;
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255 int index;
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256 Py_UCS4 c;
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257
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258 if (!PyArg_ParseTuple(args, "O!:category",
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259 &PyUnicode_Type, &v))
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260 return NULL;
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261 c = getuchar(v);
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262 if (c == (Py_UCS4)-1)
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263 return NULL;
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264 index = (int) _getrecord_ex(c)->category;
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265 if (self && UCD_Check(self)) {
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266 const change_record *old = get_old_record(self, c);
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267 if (old->category_changed != 0xFF)
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268 index = old->category_changed;
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269 }
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270 return PyUnicode_FromString(_PyUnicode_CategoryNames[index]);
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271 }
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272
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273 PyDoc_STRVAR(unicodedata_bidirectional__doc__,
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274 "bidirectional(unichr)\n\
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275 \n\
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276 Returns the bidirectional category assigned to the Unicode character\n\
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277 unichr as string. If no such value is defined, an empty string is\n\
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278 returned.");
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279
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280 static PyObject *
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281 unicodedata_bidirectional(PyObject *self, PyObject *args)
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282 {
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283 PyUnicodeObject *v;
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284 int index;
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285 Py_UCS4 c;
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286
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287 if (!PyArg_ParseTuple(args, "O!:bidirectional",
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288 &PyUnicode_Type, &v))
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289 return NULL;
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290 c = getuchar(v);
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291 if (c == (Py_UCS4)-1)
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292 return NULL;
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293 index = (int) _getrecord_ex(c)->bidirectional;
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294 if (self && UCD_Check(self)) {
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295 const change_record *old = get_old_record(self, c);
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296 if (old->category_changed == 0)
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297 index = 0; /* unassigned */
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298 else if (old->bidir_changed != 0xFF)
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299 index = old->bidir_changed;
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300 }
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301 return PyUnicode_FromString(_PyUnicode_BidirectionalNames[index]);
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302 }
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303
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304 PyDoc_STRVAR(unicodedata_combining__doc__,
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305 "combining(unichr)\n\
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306 \n\
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307 Returns the canonical combining class assigned to the Unicode\n\
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308 character unichr as integer. Returns 0 if no combining class is\n\
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309 defined.");
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310
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311 static PyObject *
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312 unicodedata_combining(PyObject *self, PyObject *args)
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313 {
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314 PyUnicodeObject *v;
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315 int index;
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316 Py_UCS4 c;
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317
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318 if (!PyArg_ParseTuple(args, "O!:combining",
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319 &PyUnicode_Type, &v))
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320 return NULL;
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321 c = getuchar(v);
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322 if (c == (Py_UCS4)-1)
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323 return NULL;
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324 index = (int) _getrecord_ex(c)->combining;
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325 if (self && UCD_Check(self)) {
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326 const change_record *old = get_old_record(self, c);
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327 if (old->category_changed == 0)
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328 index = 0; /* unassigned */
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329 }
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330 return PyLong_FromLong(index);
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331 }
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332
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333 PyDoc_STRVAR(unicodedata_mirrored__doc__,
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334 "mirrored(unichr)\n\
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335 \n\
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336 Returns the mirrored property assigned to the Unicode character\n\
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337 unichr as integer. Returns 1 if the character has been identified as\n\
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338 a \"mirrored\" character in bidirectional text, 0 otherwise.");
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339
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340 static PyObject *
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341 unicodedata_mirrored(PyObject *self, PyObject *args)
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342 {
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343 PyUnicodeObject *v;
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344 int index;
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345 Py_UCS4 c;
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346
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347 if (!PyArg_ParseTuple(args, "O!:mirrored",
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348 &PyUnicode_Type, &v))
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349 return NULL;
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350 c = getuchar(v);
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351 if (c == (Py_UCS4)-1)
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352 return NULL;
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353 index = (int) _getrecord_ex(c)->mirrored;
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354 if (self && UCD_Check(self)) {
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355 const change_record *old = get_old_record(self, c);
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356 if (old->category_changed == 0)
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357 index = 0; /* unassigned */
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358 else if (old->mirrored_changed != 0xFF)
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359 index = old->mirrored_changed;
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360 }
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361 return PyLong_FromLong(index);
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362 }
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363
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364 PyDoc_STRVAR(unicodedata_east_asian_width__doc__,
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365 "east_asian_width(unichr)\n\
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366 \n\
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367 Returns the east asian width assigned to the Unicode character\n\
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368 unichr as string.");
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369
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370 static PyObject *
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371 unicodedata_east_asian_width(PyObject *self, PyObject *args)
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372 {
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373 PyUnicodeObject *v;
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374 int index;
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375 Py_UCS4 c;
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376
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377 if (!PyArg_ParseTuple(args, "O!:east_asian_width",
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378 &PyUnicode_Type, &v))
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379 return NULL;
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380 c = getuchar(v);
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381 if (c == (Py_UCS4)-1)
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382 return NULL;
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383 index = (int) _getrecord_ex(c)->east_asian_width;
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384 if (self && UCD_Check(self)) {
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385 const change_record *old = get_old_record(self, c);
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386 if (old->category_changed == 0)
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387 index = 0; /* unassigned */
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388 }
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389 return PyUnicode_FromString(_PyUnicode_EastAsianWidthNames[index]);
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390 }
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391
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392 PyDoc_STRVAR(unicodedata_decomposition__doc__,
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393 "decomposition(unichr)\n\
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394 \n\
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395 Returns the character decomposition mapping assigned to the Unicode\n\
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396 character unichr as string. An empty string is returned in case no\n\
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397 such mapping is defined.");
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398
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399 static PyObject *
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400 unicodedata_decomposition(PyObject *self, PyObject *args)
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401 {
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402 PyUnicodeObject *v;
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403 char decomp[256];
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404 int code, index, count;
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405 size_t i;
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406 unsigned int prefix_index;
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407 Py_UCS4 c;
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408
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409 if (!PyArg_ParseTuple(args, "O!:decomposition",
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410 &PyUnicode_Type, &v))
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411 return NULL;
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412 c = getuchar(v);
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413 if (c == (Py_UCS4)-1)
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414 return NULL;
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415
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416 code = (int)c;
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417
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418 if (self && UCD_Check(self)) {
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419 const change_record *old = get_old_record(self, c);
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420 if (old->category_changed == 0)
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421 return PyUnicode_FromString(""); /* unassigned */
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422 }
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423
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424 if (code < 0 || code >= 0x110000)
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425 index = 0;
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426 else {
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427 index = decomp_index1[(code>>DECOMP_SHIFT)];
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428 index = decomp_index2[(index<<DECOMP_SHIFT)+
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429 (code&((1<<DECOMP_SHIFT)-1))];
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430 }
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431
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432 /* high byte is number of hex bytes (usually one or two), low byte
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433 is prefix code (from*/
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434 count = decomp_data[index] >> 8;
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435
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436 /* XXX: could allocate the PyString up front instead
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437 (strlen(prefix) + 5 * count + 1 bytes) */
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438
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439 /* Based on how index is calculated above and decomp_data is generated
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440 from Tools/unicode/makeunicodedata.py, it should not be possible
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441 to overflow decomp_prefix. */
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442 prefix_index = decomp_data[index] & 255;
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443 assert(prefix_index < Py_ARRAY_LENGTH(decomp_prefix));
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444
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445 /* copy prefix */
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446 i = strlen(decomp_prefix[prefix_index]);
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447 memcpy(decomp, decomp_prefix[prefix_index], i);
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448
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449 while (count-- > 0) {
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450 if (i)
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451 decomp[i++] = ' ';
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452 assert(i < sizeof(decomp));
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453 PyOS_snprintf(decomp + i, sizeof(decomp) - i, "%04X",
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454 decomp_data[++index]);
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455 i += strlen(decomp + i);
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456 }
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457 return PyUnicode_FromStringAndSize(decomp, i);
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458 }
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459
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460 static void
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461 get_decomp_record(PyObject *self, Py_UCS4 code, int *index, int *prefix, int *count)
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462 {
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463 if (code >= 0x110000) {
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464 *index = 0;
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465 } else if (self && UCD_Check(self) &&
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466 get_old_record(self, code)->category_changed==0) {
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467 /* unassigned in old version */
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468 *index = 0;
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469 }
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470 else {
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471 *index = decomp_index1[(code>>DECOMP_SHIFT)];
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472 *index = decomp_index2[(*index<<DECOMP_SHIFT)+
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473 (code&((1<<DECOMP_SHIFT)-1))];
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474 }
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475
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476 /* high byte is number of hex bytes (usually one or two), low byte
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477 is prefix code (from*/
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478 *count = decomp_data[*index] >> 8;
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479 *prefix = decomp_data[*index] & 255;
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480
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481 (*index)++;
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482 }
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483
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484 #define SBase 0xAC00
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diff changeset
485 #define LBase 0x1100
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486 #define VBase 0x1161
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487 #define TBase 0x11A7
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488 #define LCount 19
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489 #define VCount 21
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490 #define TCount 28
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491 #define NCount (VCount*TCount)
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492 #define SCount (LCount*NCount)
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493
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494 static PyObject*
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495 nfd_nfkd(PyObject *self, PyObject *input, int k)
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496 {
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497 PyObject *result;
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498 Py_UCS4 *output;
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499 Py_ssize_t i, o, osize;
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500 int kind;
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501 void *data;
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502 /* Longest decomposition in Unicode 3.2: U+FDFA */
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503 Py_UCS4 stack[20];
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504 Py_ssize_t space, isize;
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505 int index, prefix, count, stackptr;
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506 unsigned char prev, cur;
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507
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508 stackptr = 0;
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509 isize = PyUnicode_GET_LENGTH(input);
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510 /* Overallocate atmost 10 characters. */
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511 space = (isize > 10 ? 10 : isize) + isize;
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512 osize = space;
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513 output = PyMem_Malloc(space * sizeof(Py_UCS4));
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514 if (!output) {
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Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
515 PyErr_NoMemory();
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
516 return NULL;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
517 }
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
518 i = o = 0;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
519 kind = PyUnicode_KIND(input);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
520 data = PyUnicode_DATA(input);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
521
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
522 while (i < isize) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
523 stack[stackptr++] = PyUnicode_READ(kind, data, i++);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
524 while(stackptr) {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
525 Py_UCS4 code = stack[--stackptr];
30867
04ca4d1f751f Overallocate target buffer for normalization more early. Fixes #834676.
Martin v. Löwis <martin@v.loewis.de>
parents: 28100
diff changeset
526 /* Hangul Decomposition adds three characters in
04ca4d1f751f Overallocate target buffer for normalization more early. Fixes #834676.
Martin v. Löwis <martin@v.loewis.de>
parents: 28100
diff changeset
527 a single step, so we need atleast that much room. */
04ca4d1f751f Overallocate target buffer for normalization more early. Fixes #834676.
Martin v. Löwis <martin@v.loewis.de>
parents: 28100
diff changeset
528 if (space < 3) {
77252
588ea940e5e3 Issue #14909: A number of places were using PyMem_Realloc() apis and
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 75107
diff changeset
529 Py_UCS4 *new_output;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
530 osize += 10;
30867
04ca4d1f751f Overallocate target buffer for normalization more early. Fixes #834676.
Martin v. Löwis <martin@v.loewis.de>
parents: 28100
diff changeset
531 space += 10;
77252
588ea940e5e3 Issue #14909: A number of places were using PyMem_Realloc() apis and
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 75107
diff changeset
532 new_output = PyMem_Realloc(output, osize*sizeof(Py_UCS4));
588ea940e5e3 Issue #14909: A number of places were using PyMem_Realloc() apis and
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 75107
diff changeset
533 if (new_output == NULL) {
588ea940e5e3 Issue #14909: A number of places were using PyMem_Realloc() apis and
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 75107
diff changeset
534 PyMem_Free(output);
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
535 PyErr_NoMemory();
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
536 return NULL;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
537 }
77252
588ea940e5e3 Issue #14909: A number of places were using PyMem_Realloc() apis and
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 75107
diff changeset
538 output = new_output;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
539 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
540 /* Hangul Decomposition. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
541 if (SBase <= code && code < (SBase+SCount)) {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
542 int SIndex = code - SBase;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
543 int L = LBase + SIndex / NCount;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
544 int V = VBase + (SIndex % NCount) / TCount;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
545 int T = TBase + SIndex % TCount;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
546 output[o++] = L;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
547 output[o++] = V;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
548 space -= 2;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
549 if (T != TBase) {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
550 output[o++] = T;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
551 space --;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
552 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
553 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
554 }
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
555 /* normalization changes */
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47458
diff changeset
556 if (self && UCD_Check(self)) {
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
557 Py_UCS4 value = ((PreviousDBVersion*)self)->normalization(code);
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
558 if (value != 0) {
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
559 stack[stackptr++] = value;
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
560 continue;
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
561 }
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
562 }
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
563
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
564 /* Other decompositions. */
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
565 get_decomp_record(self, code, &index, &prefix, &count);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
566
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
567 /* Copy character if it is not decomposable, or has a
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
568 compatibility decomposition, but we do NFD. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
569 if (!count || (prefix && !k)) {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
570 output[o++] = code;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
571 space--;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
572 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
573 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
574 /* Copy decomposition onto the stack, in reverse
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
575 order. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
576 while(count) {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
577 code = decomp_data[index + (--count)];
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
578 stack[stackptr++] = code;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
579 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
580 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
581 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
582
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
583 result = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND,
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
584 output, o);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
585 PyMem_Free(output);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
586 if (!result)
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
587 return NULL;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
588 /* result is guaranteed to be ready, as it is compact. */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
589 kind = PyUnicode_KIND(result);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
590 data = PyUnicode_DATA(result);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
591
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
592 /* Sort canonically. */
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
593 i = 0;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
594 prev = _getrecord_ex(PyUnicode_READ(kind, data, i))->combining;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
595 for (i++; i < PyUnicode_GET_LENGTH(result); i++) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
596 cur = _getrecord_ex(PyUnicode_READ(kind, data, i))->combining;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
597 if (prev == 0 || cur == 0 || prev <= cur) {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
598 prev = cur;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
599 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
600 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
601 /* Non-canonical order. Need to switch *i with previous. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
602 o = i - 1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
603 while (1) {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
604 Py_UCS4 tmp = PyUnicode_READ(kind, data, o+1);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
605 PyUnicode_WRITE(kind, data, o+1,
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
606 PyUnicode_READ(kind, data, o));
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
607 PyUnicode_WRITE(kind, data, o, tmp);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
608 o--;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
609 if (o < 0)
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
610 break;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
611 prev = _getrecord_ex(PyUnicode_READ(kind, data, o))->combining;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
612 if (prev == 0 || prev <= cur)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
613 break;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
614 }
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
615 prev = _getrecord_ex(PyUnicode_READ(kind, data, i))->combining;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
616 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
617 return result;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
618 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
619
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
620 static int
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
621 find_nfc_index(PyObject *self, struct reindex* nfc, Py_UCS4 code)
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
622 {
72751
d760b345d7bd Fix compilation warnings under 64-bit Windows
Antoine Pitrou <solipsis@pitrou.net>
parents: 72656
diff changeset
623 unsigned int index;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
624 for (index = 0; nfc[index].start; index++) {
72751
d760b345d7bd Fix compilation warnings under 64-bit Windows
Antoine Pitrou <solipsis@pitrou.net>
parents: 72656
diff changeset
625 unsigned int start = nfc[index].start;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
626 if (code < start)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
627 return -1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
628 if (code <= start + nfc[index].count) {
72751
d760b345d7bd Fix compilation warnings under 64-bit Windows
Antoine Pitrou <solipsis@pitrou.net>
parents: 72656
diff changeset
629 unsigned int delta = code - start;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
630 return nfc[index].index + delta;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
631 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
632 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
633 return -1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
634 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
635
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
636 static PyObject*
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
637 nfc_nfkc(PyObject *self, PyObject *input, int k)
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
638 {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
639 PyObject *result;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
640 int kind;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
641 void *data;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
642 Py_UCS4 *output;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
643 Py_ssize_t i, i1, o, len;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
644 int f,l,index,index1,comb;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
645 Py_UCS4 code;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
646 Py_ssize_t skipped[20];
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
647 int cskipped = 0;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
648
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48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
649 result = nfd_nfkd(self, input, k);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
650 if (!result)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
651 return NULL;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
652 /* result will be "ready". */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
653 kind = PyUnicode_KIND(result);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
654 data = PyUnicode_DATA(result);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
655 len = PyUnicode_GET_LENGTH(result);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
656
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
657 /* We allocate a buffer for the output.
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
658 If we find that we made no changes, we still return
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
659 the NFD result. */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
660 output = PyMem_Malloc(len * sizeof(Py_UCS4));
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
661 if (!output) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
662 PyErr_NoMemory();
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
663 Py_DECREF(result);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
664 return 0;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
665 }
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
666 i = o = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
667
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
668 again:
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
669 while (i < len) {
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
670 for (index = 0; index < cskipped; index++) {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
671 if (skipped[index] == i) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
672 /* *i character is skipped.
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
673 Remove from list. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
674 skipped[index] = skipped[cskipped-1];
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
675 cskipped--;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
676 i++;
26571
cb8cfadf75a2 Remove C++ comment.
Martin v. Löwis <martin@v.loewis.de>
parents: 26397
diff changeset
677 goto again; /* continue while */
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
678 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
679 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
680 /* Hangul Composition. We don't need to check for <LV,T>
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
681 pairs, since we always have decomposed data. */
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
682 code = PyUnicode_READ(kind, data, i);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
683 if (LBase <= code && code < (LBase+LCount) &&
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
684 i + 1 < len &&
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
685 VBase <= PyUnicode_READ(kind, data, i+1) &&
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
686 PyUnicode_READ(kind, data, i+1) <= (VBase+VCount)) {
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
687 int LIndex, VIndex;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
688 LIndex = code - LBase;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
689 VIndex = PyUnicode_READ(kind, data, i+1) - VBase;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
690 code = SBase + (LIndex*VCount+VIndex)*TCount;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
691 i+=2;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
692 if (i < len &&
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
693 TBase <= PyUnicode_READ(kind, data, i) &&
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
694 PyUnicode_READ(kind, data, i) <= (TBase+TCount)) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
695 code += PyUnicode_READ(kind, data, i)-TBase;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
696 i++;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
697 }
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
698 output[o++] = code;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
699 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
700 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
701
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
702 /* code is still input[i] here */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
703 f = find_nfc_index(self, nfc_first, code);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
704 if (f == -1) {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
705 output[o++] = code;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
706 i++;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
707 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
708 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
709 /* Find next unblocked character. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
710 i1 = i+1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
711 comb = 0;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
712 /* output base character for now; might be updated later. */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
713 output[o] = PyUnicode_READ(kind, data, i);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
714 while (i1 < len) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
715 Py_UCS4 code1 = PyUnicode_READ(kind, data, i1);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
716 int comb1 = _getrecord_ex(code1)->combining;
67184
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
717 if (comb) {
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
718 if (comb1 == 0)
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
719 break;
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
720 if (comb >= comb1) {
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
721 /* Character is blocked. */
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
722 i1++;
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
723 continue;
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
724 }
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
725 }
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
726 l = find_nfc_index(self, nfc_last, code1);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
727 /* i1 cannot be combined with i. If i1
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
728 is a starter, we don't need to look further.
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
729 Otherwise, record the combining class. */
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
730 if (l == -1) {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
731 not_combinable:
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
732 if (comb1 == 0)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
733 break;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
734 comb = comb1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
735 i1++;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
736 continue;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
737 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
738 index = f*TOTAL_LAST + l;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
739 index1 = comp_index[index >> COMP_SHIFT];
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
740 code = comp_data[(index1<<COMP_SHIFT)+
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
741 (index&((1<<COMP_SHIFT)-1))];
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
742 if (code == 0)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
743 goto not_combinable;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
744
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
745 /* Replace the original character. */
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
746 output[o] = code;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
747 /* Mark the second character unused. */
67184
a4ec20cc9066 Merged revisions 87442 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66396
diff changeset
748 assert(cskipped < 20);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
749 skipped[cskipped++] = i1;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
750 i1++;
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
751 f = find_nfc_index(self, nfc_first, output[o]);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
752 if (f == -1)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
753 break;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
754 }
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
755 /* Output character was already written.
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
756 Just advance the indices. */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
757 o++; i++;
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
758 }
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
759 if (o == len) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
760 /* No changes. Return original string. */
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
761 PyMem_Free(output);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
762 return result;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
763 }
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
764 Py_DECREF(result);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
765 result = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND,
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
766 output, o);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
767 PyMem_Free(output);
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
768 return result;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
769 }
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
770
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
771 /* Return 1 if the input is certainly normalized, 0 if it might not be. */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
772 static int
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
773 is_normalized(PyObject *self, PyObject *input, int nfc, int k)
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
774 {
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
775 Py_ssize_t i, len;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
776 int kind;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
777 void *data;
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
778 unsigned char prev_combining = 0, quickcheck_mask;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
779
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Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
780 /* An older version of the database is requested, quickchecks must be
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
781 disabled. */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
782 if (self && UCD_Check(self))
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
783 return 0;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
784
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
785 /* The two quickcheck bits at this shift mean 0=Yes, 1=Maybe, 2=No,
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
786 as described in http://unicode.org/reports/tr15/#Annex8. */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
787 quickcheck_mask = 3 << ((nfc ? 4 : 0) + (k ? 2 : 0));
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
788
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
789 i = 0;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
790 kind = PyUnicode_KIND(input);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
791 data = PyUnicode_DATA(input);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
792 len = PyUnicode_GET_LENGTH(input);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
793 while (i < len) {
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
794 Py_UCS4 ch = PyUnicode_READ(kind, data, i++);
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
795 const _PyUnicode_DatabaseRecord *record = _getrecord_ex(ch);
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
796 unsigned char combining = record->combining;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
797 unsigned char quickcheck = record->normalization_quick_check;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
798
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
799 if (quickcheck & quickcheck_mask)
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
800 return 0; /* this string might need normalization */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
801 if (combining && prev_combining > combining)
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
802 return 0; /* non-canonical sort order, not normalized */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
803 prev_combining = combining;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
804 }
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
805 return 1; /* certainly normalized */
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
806 }
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
807
34864
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
808 PyDoc_STRVAR(unicodedata_normalize__doc__,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
809 "normalize(form, unistr)\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
810 \n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
811 Return the normal form 'form' for the Unicode string unistr. Valid\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
812 values for form are 'NFC', 'NFKC', 'NFD', and 'NFKD'.");
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
813
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
814 static PyObject*
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
815 unicodedata_normalize(PyObject *self, PyObject *args)
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
816 {
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
817 char *form;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
818 PyObject *input;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
819
32680
d3d426483d71 Fix typo.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31930
diff changeset
820 if(!PyArg_ParseTuple(args, "sO!:normalize",
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
821 &form, &PyUnicode_Type, &input))
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
822 return NULL;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
823
72525
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
824 if (PyUnicode_READY(input) == -1)
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
825 return NULL;
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
826
40cf7204ca2b Port normalization to new API.
Martin v. Löwis <martin@v.loewis.de>
parents: 72510
diff changeset
827 if (PyUnicode_GET_LENGTH(input) == 0) {
31930
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
828 /* Special case empty input strings, since resizing
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
829 them later would cause internal errors. */
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
830 Py_INCREF(input);
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
831 return input;
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
832 }
f8c0ac5bef02 Special case normalization of empty strings. Fixes #924361.
Martin v. Löwis <martin@v.loewis.de>
parents: 30867
diff changeset
833
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
834 if (strcmp(form, "NFC") == 0) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
835 if (is_normalized(self, input, 1, 0)) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
836 Py_INCREF(input);
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
837 return input;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
838 }
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
839 return nfc_nfkc(self, input, 0);
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
840 }
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
841 if (strcmp(form, "NFKC") == 0) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
842 if (is_normalized(self, input, 1, 1)) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
843 Py_INCREF(input);
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
844 return input;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
845 }
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
846 return nfc_nfkc(self, input, 1);
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
847 }
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
848 if (strcmp(form, "NFD") == 0) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
849 if (is_normalized(self, input, 0, 0)) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
850 Py_INCREF(input);
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
851 return input;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
852 }
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
853 return nfd_nfkd(self, input, 0);
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
854 }
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
855 if (strcmp(form, "NFKD") == 0) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
856 if (is_normalized(self, input, 0, 1)) {
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
857 Py_INCREF(input);
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
858 return input;
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
859 }
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
860 return nfd_nfkd(self, input, 1);
53554
423f8f9b07b1 Merged revisions 72054 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 51271
diff changeset
861 }
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
862 PyErr_SetString(PyExc_ValueError, "invalid normalization form");
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
863 return NULL;
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
864 }
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
865
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
866 /* -------------------------------------------------------------------- */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
867 /* unicode character name tables */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
868
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
869 /* data file generated by Tools/unicode/makeunicodedata.py */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
870 #include "unicodename_db.h"
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
871
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
872 /* -------------------------------------------------------------------- */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
873 /* database code (cut and pasted from the unidb package) */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
874
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
875 static unsigned long
16666
e9fcb46c1f2c renamed internal functions to avoid name clashes under OpenVMS
Fredrik Lundh <fredrik@pythonware.com>
parents: 16662
diff changeset
876 _gethash(const char *s, int len, int scale)
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
877 {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
878 int i;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
879 unsigned long h = 0;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
880 unsigned long ix;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
881 for (i = 0; i < len; i++) {
72655
fe48e2b3dbee Remove all other uses of the C tolower()/toupper() which could break with a Turkish locale.
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
882 h = (h * scale) + (unsigned char) Py_TOUPPER(Py_CHARMASK(s[i]));
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
883 ix = h & 0xff000000;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
884 if (ix)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
885 h = (h ^ ((ix>>24) & 0xff)) & 0x00ffffff;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
886 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
887 return h;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
888 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
889
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
890 static char *hangul_syllables[][3] = {
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
891 { "G", "A", "" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
892 { "GG", "AE", "G" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
893 { "N", "YA", "GG" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
894 { "D", "YAE", "GS" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
895 { "DD", "EO", "N", },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
896 { "R", "E", "NJ" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
897 { "M", "YEO", "NH" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
898 { "B", "YE", "D" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
899 { "BB", "O", "L" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
900 { "S", "WA", "LG" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
901 { "SS", "WAE", "LM" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
902 { "", "OE", "LB" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
903 { "J", "YO", "LS" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
904 { "JJ", "U", "LT" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
905 { "C", "WEO", "LP" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
906 { "K", "WE", "LH" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
907 { "T", "WI", "M" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
908 { "P", "YU", "B" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
909 { "H", "EU", "BS" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
910 { 0, "YI", "S" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
911 { 0, "I", "SS" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
912 { 0, 0, "NG" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
913 { 0, 0, "J" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
914 { 0, 0, "C" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
915 { 0, 0, "K" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
916 { 0, 0, "T" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
917 { 0, 0, "P" },
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
918 { 0, 0, "H" }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
919 };
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
920
66392
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
921 /* These ranges need to match makeunicodedata.py:cjk_ranges. */
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
922 static int
26380
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
923 is_unified_ideograph(Py_UCS4 code)
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
924 {
66392
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
925 return
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
926 (0x3400 <= code && code <= 0x4DB5) || /* CJK Ideograph Extension A */
75107
cd21e6d30a1a update to Unicode 6.1
Benjamin Peterson <benjamin@python.org>
parents: 73475
diff changeset
927 (0x4E00 <= code && code <= 0x9FCC) || /* CJK Ideograph */
66392
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
928 (0x20000 <= code && code <= 0x2A6D6) || /* CJK Ideograph Extension B */
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
929 (0x2A700 <= code && code <= 0x2B734) || /* CJK Ideograph Extension C */
d9774121a6df Issue #10459: Update CJK character names to Unicode 6.0.
Martin v. Löwis <martin@v.loewis.de>
parents: 64423
diff changeset
930 (0x2B740 <= code && code <= 0x2B81D); /* CJK Ideograph Extension D */
26380
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
931 }
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
932
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
933 /* macros used to determine if the given codepoint is in the PUA range that
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
934 * we are using to store aliases and named sequences */
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
935 #define IS_ALIAS(cp) ((cp >= aliases_start) && (cp < aliases_end))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
936 #define IS_NAMED_SEQ(cp) ((cp >= named_sequences_start) && \
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
937 (cp < named_sequences_end))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
938
26380
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
939 static int
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
940 _getucname(PyObject *self, Py_UCS4 code, char* buffer, int buflen,
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
941 int with_alias_and_seq)
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
942 {
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
943 /* Find the name associated with the given codepoint.
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
944 * If with_alias_and_seq is 1, check for names in the Private Use Area 15
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
945 * that we are using for aliases and named sequences. */
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
946 int offset;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
947 int i;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
948 int word;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
949 unsigned char* w;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
950
36939
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
951 if (code >= 0x110000)
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
952 return 0;
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
953
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
954 /* XXX should we just skip all the codepoints in the PUAs here? */
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
955 if (!with_alias_and_seq && (IS_ALIAS(code) || IS_NAMED_SEQ(code)))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
956 return 0;
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
957
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47458
diff changeset
958 if (self && UCD_Check(self)) {
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
959 /* in 3.2.0 there are no aliases and named sequences */
73047
329b96fe4472 #12753: fix compilation on Windows.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 73044
diff changeset
960 const change_record *old;
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
961 if (IS_ALIAS(code) || IS_NAMED_SEQ(code))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
962 return 0;
73047
329b96fe4472 #12753: fix compilation on Windows.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 73044
diff changeset
963 old = get_old_record(self, code);
36939
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
964 if (old->category_changed == 0) {
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
965 /* unassigned */
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
966 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
967 }
36939
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
968 }
03ef987043ce Adjust CJK Ideograph range to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36928
diff changeset
969
26374
135bb11215a0 Fix off-by-one error.
Martin v. Löwis <martin@v.loewis.de>
parents: 26370
diff changeset
970 if (SBase <= code && code < SBase+SCount) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
971 /* Hangul syllable. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
972 int SIndex = code - SBase;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
973 int L = SIndex / NCount;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
974 int V = (SIndex % NCount) / TCount;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
975 int T = SIndex % TCount;
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
976
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
977 if (buflen < 27)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
978 /* Worst case: HANGUL SYLLABLE <10chars>. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
979 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
980 strcpy(buffer, "HANGUL SYLLABLE ");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
981 buffer += 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
982 strcpy(buffer, hangul_syllables[L][0]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
983 buffer += strlen(hangul_syllables[L][0]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
984 strcpy(buffer, hangul_syllables[V][1]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
985 buffer += strlen(hangul_syllables[V][1]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
986 strcpy(buffer, hangul_syllables[T][2]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
987 buffer += strlen(hangul_syllables[T][2]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
988 *buffer = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
989 return 1;
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
990 }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
991
26380
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
992 if (is_unified_ideograph(code)) {
26376
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
993 if (buflen < 28)
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
994 /* Worst case: CJK UNIFIED IDEOGRAPH-20000 */
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
995 return 0;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
996 sprintf(buffer, "CJK UNIFIED IDEOGRAPH-%X", code);
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
997 return 1;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
998 }
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
999
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1000 /* get offset into phrasebook */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1001 offset = phrasebook_offset1[(code>>phrasebook_shift)];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1002 offset = phrasebook_offset2[(offset<<phrasebook_shift) +
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1003 (code&((1<<phrasebook_shift)-1))];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1004 if (!offset)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1005 return 0;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1006
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1007 i = 0;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1008
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1009 for (;;) {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1010 /* get word index */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1011 word = phrasebook[offset] - phrasebook_short;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1012 if (word >= 0) {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1013 word = (word << 8) + phrasebook[offset+1];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1014 offset += 2;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1015 } else
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1016 word = phrasebook[offset++];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1017 if (i) {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1018 if (i > buflen)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1019 return 0; /* buffer overflow */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1020 buffer[i++] = ' ';
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1021 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1022 /* copy word string from lexicon. the last character in the
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1023 word has bit 7 set. the last word in a string ends with
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1024 0x80 */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1025 w = lexicon + lexicon_offset[word];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1026 while (*w < 128) {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1027 if (i >= buflen)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1028 return 0; /* buffer overflow */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1029 buffer[i++] = *w++;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1030 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1031 if (i >= buflen)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1032 return 0; /* buffer overflow */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1033 buffer[i++] = *w & 127;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1034 if (*w == 128)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1035 break; /* end of word */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1036 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1037
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1038 return 1;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1039 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1040
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1041 static int
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
1042 _cmpname(PyObject *self, int code, const char* name, int namelen)
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1043 {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1044 /* check if code corresponds to the given name */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1045 int i;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1046 char buffer[NAME_MAXLEN];
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1047 if (!_getucname(self, code, buffer, sizeof(buffer), 1))
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1048 return 0;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1049 for (i = 0; i < namelen; i++) {
72655
fe48e2b3dbee Remove all other uses of the C tolower()/toupper() which could break with a Turkish locale.
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
1050 if (Py_TOUPPER(Py_CHARMASK(name[i])) != buffer[i])
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1051 return 0;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1052 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1053 return buffer[namelen] == '\0';
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1054 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1055
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1056 static void
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1057 find_syllable(const char *str, int *len, int *pos, int count, int column)
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1058 {
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1059 int i, len1;
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1060 *len = -1;
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1061 for (i = 0; i < count; i++) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1062 char *s = hangul_syllables[i][column];
72751
d760b345d7bd Fix compilation warnings under 64-bit Windows
Antoine Pitrou <solipsis@pitrou.net>
parents: 72656
diff changeset
1063 len1 = Py_SAFE_DOWNCAST(strlen(s), size_t, int);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1064 if (len1 <= *len)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1065 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1066 if (strncmp(str, s, len1) == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1067 *len = len1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1068 *pos = i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1069 }
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1070 }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1071 if (*len == -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1072 *len = 0;
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1073 }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1074 }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1075
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1076 static int
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1077 _check_alias_and_seq(unsigned int cp, Py_UCS4* code, int with_named_seq)
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1078 {
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1079 /* check if named sequences are allowed */
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1080 if (!with_named_seq && IS_NAMED_SEQ(cp))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1081 return 0;
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1082 /* if the codepoint is in the PUA range that we use for aliases,
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1083 * convert it to obtain the right codepoint */
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1084 if (IS_ALIAS(cp))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1085 *code = name_aliases[cp-aliases_start];
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1086 else
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1087 *code = cp;
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1088 return 1;
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1089 }
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1090
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1091 static int
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1092 _getcode(PyObject* self, const char* name, int namelen, Py_UCS4* code,
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1093 int with_named_seq)
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1094 {
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1095 /* Return the codepoint associated with the given name.
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1096 * Named aliases are resolved too (unless self != NULL (i.e. we are using
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1097 * 3.2.0)). If with_named_seq is 1, returns the PUA codepoint that we are
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1098 * using for the named sequence, and the caller must then convert it. */
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1099 unsigned int h, v;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1100 unsigned int mask = code_size-1;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1101 unsigned int i, incr;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1102
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1103 /* Check for hangul syllables. */
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1104 if (strncmp(name, "HANGUL SYLLABLE ", 16) == 0) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1105 int len, L = -1, V = -1, T = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1106 const char *pos = name + 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1107 find_syllable(pos, &len, &L, LCount, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1108 pos += len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1109 find_syllable(pos, &len, &V, VCount, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1110 pos += len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1111 find_syllable(pos, &len, &T, TCount, 2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1112 pos += len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1113 if (L != -1 && V != -1 && T != -1 && pos-name == namelen) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1114 *code = SBase + (L*VCount+V)*TCount + T;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1115 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1116 }
26376
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1117 /* Otherwise, it's an illegal syllable name. */
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1118 return 0;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1119 }
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1120
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1121 /* Check for unified ideographs. */
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1122 if (strncmp(name, "CJK UNIFIED IDEOGRAPH-", 22) == 0) {
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1123 /* Four or five hexdigits must follow. */
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1124 v = 0;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1125 name += 22;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1126 namelen -= 22;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1127 if (namelen != 4 && namelen != 5)
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1128 return 0;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1129 while (namelen--) {
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1130 v *= 16;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1131 if (*name >= '0' && *name <= '9')
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1132 v += *name - '0';
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1133 else if (*name >= 'A' && *name <= 'F')
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1134 v += *name - 'A' + 10;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1135 else
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1136 return 0;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1137 name++;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1138 }
26380
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
1139 if (!is_unified_ideograph(v))
f8a1ba446158 Verify that the code in CJK UNIFIED IDEOGRAPH- actually denotes an ideograph.
Martin v. Löwis <martin@v.loewis.de>
parents: 26379
diff changeset
1140 return 0;
26376
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1141 *code = v;
0f2766302ba0 Implement names for CJK unified ideographs. Add name to KeyError output.
Martin v. Löwis <martin@v.loewis.de>
parents: 26374
diff changeset
1142 return 1;
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1143 }
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1144
16200
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Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1145 /* the following is the same as python's dictionary lookup, with
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1146 only minor changes. see the makeunicodedata script for more
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1147 details */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1148
16666
e9fcb46c1f2c renamed internal functions to avoid name clashes under OpenVMS
Fredrik Lundh <fredrik@pythonware.com>
parents: 16662
diff changeset
1149 h = (unsigned int) _gethash(name, namelen, code_magic);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1150 i = (~h) & mask;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1151 v = code_hash[i];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1152 if (!v)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1153 return 0;
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1154 if (_cmpname(self, v, name, namelen))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1155 return _check_alias_and_seq(v, code, with_named_seq);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1156 incr = (h ^ (h >> 3)) & mask;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1157 if (!incr)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1158 incr = mask;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1159 for (;;) {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1160 i = (i + incr) & mask;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1161 v = code_hash[i];
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1162 if (!v)
16662
89c1ccef5ce8 stupid typo (for some reason, this only caused problems on OpenVMS).
Fredrik Lundh <fredrik@pythonware.com>
parents: 16200
diff changeset
1163 return 0;
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1164 if (_cmpname(self, v, name, namelen))
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1165 return _check_alias_and_seq(v, code, with_named_seq);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1166 incr = incr << 1;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1167 if (incr > mask)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1168 incr = incr ^ code_poly;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1169 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1170 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1171
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1172 static const _PyUnicode_Name_CAPI hashAPI =
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1173 {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1174 sizeof(_PyUnicode_Name_CAPI),
23810
01e4b698ff7e _Py prefix is verboten for static entry points
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 22781
diff changeset
1175 _getucname,
16666
e9fcb46c1f2c renamed internal functions to avoid name clashes under OpenVMS
Fredrik Lundh <fredrik@pythonware.com>
parents: 16662
diff changeset
1176 _getcode
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1177 };
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1178
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1179 /* -------------------------------------------------------------------- */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1180 /* Python bindings */
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1181
34864
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1182 PyDoc_STRVAR(unicodedata_name__doc__,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1183 "name(unichr[, default])\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1184 Returns the name assigned to the Unicode character unichr as a\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1185 string. If no name is defined, default is returned, or, if not\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1186 given, ValueError is raised.");
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1187
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1188 static PyObject *
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1189 unicodedata_name(PyObject* self, PyObject* args)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1190 {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1191 char name[NAME_MAXLEN];
47458
e4a186437440 Change all functions that expect one unicode character to accept a pair of
Walter Dörwald <walter@livinglogic.de>
parents: 44351
diff changeset
1192 Py_UCS4 c;
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1193
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1194 PyUnicodeObject* v;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1195 PyObject* defobj = NULL;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1196 if (!PyArg_ParseTuple(args, "O!|O:name", &PyUnicode_Type, &v, &defobj))
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1197 return NULL;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1198
47458
e4a186437440 Change all functions that expect one unicode character to accept a pair of
Walter Dörwald <walter@livinglogic.de>
parents: 44351
diff changeset
1199 c = getuchar(v);
e4a186437440 Change all functions that expect one unicode character to accept a pair of
Walter Dörwald <walter@livinglogic.de>
parents: 44351
diff changeset
1200 if (c == (Py_UCS4)-1)
e4a186437440 Change all functions that expect one unicode character to accept a pair of
Walter Dörwald <walter@livinglogic.de>
parents: 44351
diff changeset
1201 return NULL;
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1202
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1203 if (!_getucname(self, c, name, sizeof(name), 0)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1204 if (defobj == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1205 PyErr_SetString(PyExc_ValueError, "no such name");
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1206 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1207 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1208 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1209 Py_INCREF(defobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1210 return defobj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1211 }
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1212 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1213
41944
53963a2f5652 Change category(), bidirectional(), east_asian_width(),
Walter Dörwald <walter@livinglogic.de>
parents: 40450
diff changeset
1214 return PyUnicode_FromString(name);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1215 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1216
34864
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1217 PyDoc_STRVAR(unicodedata_lookup__doc__,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1218 "lookup(name)\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1219 \n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1220 Look up character by name. If a character with the\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1221 given name is found, return the corresponding Unicode\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1222 character. If not found, KeyError is raised.");
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1223
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1224 static PyObject *
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1225 unicodedata_lookup(PyObject* self, PyObject* args)
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1226 {
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1227 Py_UCS4 code;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1228
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1229 char* name;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1230 int namelen;
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1231 unsigned int index;
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1232 if (!PyArg_ParseTuple(args, "s#:lookup", &name, &namelen))
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1233 return NULL;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1234
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1235 if (!_getcode(self, name, namelen, &code, 1)) {
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1236 PyErr_Format(PyExc_KeyError, "undefined character name '%s'", name);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1237 return NULL;
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1238 }
79102
c843ec292a8b Use C-style comments (required for the AIX build slave).
Stefan Krah <skrah@bytereef.org>
parents: 77252
diff changeset
1239 /* check if code is in the PUA range that we use for named sequences
c843ec292a8b Use C-style comments (required for the AIX build slave).
Stefan Krah <skrah@bytereef.org>
parents: 77252
diff changeset
1240 and convert it */
73044
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1241 if (IS_NAMED_SEQ(code)) {
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1242 index = code-named_sequences_start;
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1243 return PyUnicode_FromKindAndData(PyUnicode_2BYTE_KIND,
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1244 named_sequences[index].seq,
a985d733b3a3 #12753: Add support for Unicode name aliases and named sequences.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72751
diff changeset
1245 named_sequences[index].seqlen);
42466
3fc3cedc49ca Merged revisions 56753-56781 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
1246 }
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 68257
diff changeset
1247 return PyUnicode_FromOrdinal(code);
16200
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1248 }
3484670c37f2 Move uchhash functionality into unicodedata (after the recent
Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1249
11981
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1250 /* XXX Add doc strings. */
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1251
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1252 static PyMethodDef unicodedata_functions[] = {
34864
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1253 {"decimal", unicodedata_decimal, METH_VARARGS, unicodedata_decimal__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1254 {"digit", unicodedata_digit, METH_VARARGS, unicodedata_digit__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1255 {"numeric", unicodedata_numeric, METH_VARARGS, unicodedata_numeric__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1256 {"category", unicodedata_category, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1257 unicodedata_category__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1258 {"bidirectional", unicodedata_bidirectional, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1259 unicodedata_bidirectional__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1260 {"combining", unicodedata_combining, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1261 unicodedata_combining__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1262 {"mirrored", unicodedata_mirrored, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1263 unicodedata_mirrored__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1264 {"east_asian_width", unicodedata_east_asian_width, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1265 unicodedata_east_asian_width__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1266 {"decomposition", unicodedata_decomposition, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1267 unicodedata_decomposition__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1268 {"name", unicodedata_name, METH_VARARGS, unicodedata_name__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1269 {"lookup", unicodedata_lookup, METH_VARARGS, unicodedata_lookup__doc__},
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1270 {"normalize", unicodedata_normalize, METH_VARARGS,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1271 unicodedata_normalize__doc__},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59325
diff changeset
1272 {NULL, NULL} /* sentinel */
11981
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1273 };
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1274
36927
3266a020a0da Avoid forward-declaring the methods array.
Martin v. Löwis <martin@v.loewis.de>
parents: 36924
diff changeset
1275 static PyTypeObject UCD_Type = {
61467
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1276 /* The ob_type field must be initialized in the module init function
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1277 * to be portable to Windows without using C++. */
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diff changeset
1278 PyVarObject_HEAD_INIT(NULL, 0)
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1279 "unicodedata.UCD", /*tp_name*/
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1280 sizeof(PreviousDBVersion), /*tp_basicsize*/
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1281 0, /*tp_itemsize*/
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1282 /* methods */
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1283 (destructor)PyObject_Del, /*tp_dealloc*/
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1284 0, /*tp_print*/
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1285 0, /*tp_getattr*/
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1286 0, /*tp_setattr*/
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1287 0, /*tp_reserved*/
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1288 0, /*tp_repr*/
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1289 0, /*tp_as_number*/
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1290 0, /*tp_as_sequence*/
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1291 0, /*tp_as_mapping*/
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1292 0, /*tp_hash*/
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1293 0, /*tp_call*/
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1294 0, /*tp_str*/
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1295 PyObject_GenericGetAttr,/*tp_getattro*/
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1296 0, /*tp_setattro*/
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1297 0, /*tp_as_buffer*/
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1298 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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1299 0, /*tp_doc*/
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1300 0, /*tp_traverse*/
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Martin v. Löwis <martin@v.loewis.de>
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1301 0, /*tp_clear*/
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Martin v. Löwis <martin@v.loewis.de>
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1302 0, /*tp_richcompare*/
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Martin v. Löwis <martin@v.loewis.de>
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1303 0, /*tp_weaklistoffset*/
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1304 0, /*tp_iter*/
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1305 0, /*tp_iternext*/
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1306 unicodedata_functions, /*tp_methods*/
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Martin v. Löwis <martin@v.loewis.de>
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1307 DB_members, /*tp_members*/
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1308 0, /*tp_getset*/
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1309 0, /*tp_base*/
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1310 0, /*tp_dict*/
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1311 0, /*tp_descr_get*/
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1312 0, /*tp_descr_set*/
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1313 0, /*tp_dictoffset*/
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1314 0, /*tp_init*/
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1315 0, /*tp_alloc*/
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1316 0, /*tp_new*/
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1317 0, /*tp_free*/
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1318 0, /*tp_is_gc*/
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1319 };
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parents: 36778
diff changeset
1320
34864
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Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1321 PyDoc_STRVAR(unicodedata_docstring,
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1322 "This module provides access to the Unicode Character Database which\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1323 defines character properties for all Unicode characters. The data in\n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1324 this database is based on the UnicodeData.txt file version\n\
73474
6ddda809ea8c #13379: update Unicode version in unicodedata docstrings and comments.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72655
diff changeset
1325 6.0.0 which is publically available from ftp://ftp.unicode.org/.\n\
34864
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Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1326 \n\
34cdfc5dd7ea Fill docstrings for module and functions, extracted from the tex
Hye-Shik Chang <hyeshik@gmail.com>
parents: 32951
diff changeset
1327 The module uses the same names and symbols as defined by the\n\
73474
6ddda809ea8c #13379: update Unicode version in unicodedata docstrings and comments.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72655
diff changeset
1328 UnicodeData File Format 6.0.0 (see\n\
6ddda809ea8c #13379: update Unicode version in unicodedata docstrings and comments.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 72655
diff changeset
1329 http://www.unicode.org/reports/tr44/tr44-6.html).");
16200
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Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1330
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47458
diff changeset
1331
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1332 static struct PyModuleDef unicodedatamodule = {
61467
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1333 PyModuleDef_HEAD_INIT,
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1334 "unicodedata",
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1335 unicodedata_docstring,
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1336 -1,
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1337 unicodedata_functions,
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1338 NULL,
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1339 NULL,
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1340 NULL,
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diff changeset
1341 NULL
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Martin v. Löwis <martin@v.loewis.de>
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1342 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
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parents: 47458
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1343
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
1344 PyMODINIT_FUNC
47580
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1345 PyInit_unicodedata(void)
11981
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1346 {
22781
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Fred Drake <fdrake@acm.org>
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1347 PyObject *m, *v;
16200
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Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1348
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1349 Py_TYPE(&UCD_Type) = &PyType_Type;
36927
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1350
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parents: 47458
diff changeset
1351 m = PyModule_Create(&unicodedatamodule);
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parents: 16091
diff changeset
1352 if (!m)
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1353 return NULL;
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Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1354
26397
b27c1cad77ea Add unidata_version. Bump generator version number.
Martin v. Löwis <martin@v.loewis.de>
parents: 26380
diff changeset
1355 PyModule_AddStringConstant(m, "unidata_version", UNIDATA_VERSION);
36928
11f8b5b8ce20 Fix refcounting bug.
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parents: 36927
diff changeset
1356 Py_INCREF(&UCD_Type);
36927
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1357 PyModule_AddObject(m, "UCD", (PyObject*)&UCD_Type);
26397
b27c1cad77ea Add unidata_version. Bump generator version number.
Martin v. Löwis <martin@v.loewis.de>
parents: 26380
diff changeset
1358
36924
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diff changeset
1359 /* Previous versions */
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parents: 36778
diff changeset
1360 v = new_previous_version("3.2.0", get_change_3_2_0, normalization_3_2_0);
48e0a5e39403 Update Unicode database to Unicode 4.1.
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parents: 36778
diff changeset
1361 if (v != NULL)
36927
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diff changeset
1362 PyModule_AddObject(m, "ucd_3_2_0", v);
36924
48e0a5e39403 Update Unicode database to Unicode 4.1.
Martin v. Löwis <martin@v.loewis.de>
parents: 36778
diff changeset
1363
16200
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Fredrik Lundh <fredrik@pythonware.com>
parents: 16091
diff changeset
1364 /* Export C API */
53816
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630
Benjamin Peterson <benjamin@python.org>
parents: 53554
diff changeset
1365 v = PyCapsule_New((void *)&hashAPI, PyUnicodeData_CAPSULE_NAME, NULL);
22781
ec67fce3fa3c Remove direct manipulation of the module dict.
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
1366 if (v != NULL)
ec67fce3fa3c Remove direct manipulation of the module dict.
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
1367 PyModule_AddObject(m, "ucnhash_CAPI", v);
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94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47458
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1368 return m;
11981
d7a4a5ae2dae Module unicodedata -- Provides access to the Unicode 3.0 data base.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1369 }
26370
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Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1370
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1371 /*
26370
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Martin v. Löwis <martin@v.loewis.de>
parents: 25852
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1372 Local variables:
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1373 c-basic-offset: 4
26379
1885b2d6393a Patch #626485: Support Unicode normalization.
Martin v. Löwis <martin@v.loewis.de>
parents: 26376
diff changeset
1374 indent-tabs-mode: nil
26370
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1375 End:
9e489a0df7b5 Patch #626548: Support Hangul syllable names.
Martin v. Löwis <martin@v.loewis.de>
parents: 25852
diff changeset
1376 */