Mercurial > cpython-lru_cache-weakref
annotate Include/unicodeobject.h @ 72990:8564d2b240b6
default - Fix closes Issue12529 - cgi.parse_header failure on double quotes and
semicolons. Patch by Ben Darnell and Petri Lehtinen.
| author | Senthil Kumaran <senthil@uthcode.com> |
|---|---|
| date | Thu, 20 Oct 2011 01:06:59 +0800 |
| parents | cade7c20c728 |
| children | f61db5671cc8 |
| rev | line source |
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1 #ifndef Py_UNICODEOBJECT_H |
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2 #define Py_UNICODEOBJECT_H |
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3 |
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4 #include <stdarg.h> |
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5 |
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6 /* |
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7 |
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8 Unicode implementation based on original code by Fredrik Lundh, |
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9 modified by Marc-Andre Lemburg (mal@lemburg.com) according to the |
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10 Unicode Integration Proposal. (See |
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11 http://www.egenix.com/files/python/unicode-proposal.txt). |
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12 |
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13 Copyright (c) Corporation for National Research Initiatives. |
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14 |
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15 |
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16 Original header: |
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17 -------------------------------------------------------------------- |
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18 |
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19 * Yet another Unicode string type for Python. This type supports the |
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20 * 16-bit Basic Multilingual Plane (BMP) only. |
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21 * |
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22 * Written by Fredrik Lundh, January 1999. |
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23 * |
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24 * Copyright (c) 1999 by Secret Labs AB. |
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25 * Copyright (c) 1999 by Fredrik Lundh. |
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26 * |
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27 * fredrik@pythonware.com |
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28 * http://www.pythonware.com |
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29 * |
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30 * -------------------------------------------------------------------- |
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31 * This Unicode String Type is |
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32 * |
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33 * Copyright (c) 1999 by Secret Labs AB |
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34 * Copyright (c) 1999 by Fredrik Lundh |
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35 * |
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36 * By obtaining, using, and/or copying this software and/or its |
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37 * associated documentation, you agree that you have read, understood, |
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38 * and will comply with the following terms and conditions: |
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39 * |
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40 * Permission to use, copy, modify, and distribute this software and its |
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41 * associated documentation for any purpose and without fee is hereby |
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42 * granted, provided that the above copyright notice appears in all |
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43 * copies, and that both that copyright notice and this permission notice |
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44 * appear in supporting documentation, and that the name of Secret Labs |
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45 * AB or the author not be used in advertising or publicity pertaining to |
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46 * distribution of the software without specific, written prior |
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47 * permission. |
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48 * |
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49 * SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO |
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50 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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51 * FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR |
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52 * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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53 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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54 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
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55 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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56 * -------------------------------------------------------------------- */ |
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57 |
| 19980 | 58 #include <ctype.h> |
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59 |
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60 /* === Internal API ======================================================= */ |
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61 |
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62 /* --- Internal Unicode Format -------------------------------------------- */ |
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63 |
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64 /* Python 3.x requires unicode */ |
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65 #define Py_USING_UNICODE |
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66 |
| 72475 | 67 #ifndef SIZEOF_WCHAR_T |
| 68 #error Must define SIZEOF_WCHAR_T | |
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69 #endif |
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70 |
| 72475 | 71 #define Py_UNICODE_SIZE SIZEOF_WCHAR_T |
| 72 | |
| 73 /* If wchar_t can be used for UCS-4 storage, set Py_UNICODE_WIDE. | |
| 74 Otherwise, Unicode strings are stored as UCS-2 (with limited support | |
| 75 for UTF-16) */ | |
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76 |
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77 #if Py_UNICODE_SIZE >= 4 |
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78 #define Py_UNICODE_WIDE |
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79 #endif |
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80 |
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81 /* Set these flags if the platform has "wchar.h" and the |
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82 wchar_t type is a 16-bit unsigned type */ |
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83 /* #define HAVE_WCHAR_H */ |
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84 /* #define HAVE_USABLE_WCHAR_T */ |
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85 |
| 72475 | 86 /* Py_UNICODE was the native Unicode storage format (code unit) used by |
| 87 Python and represents a single Unicode element in the Unicode type. | |
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88 With PEP 393, Py_UNICODE is deprecated and replaced with a |
| 72475 | 89 typedef to wchar_t. */ |
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90 |
| 72475 | 91 #ifndef Py_LIMITED_API |
| 92 #define PY_UNICODE_TYPE wchar_t | |
| 93 typedef wchar_t Py_UNICODE; | |
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94 #endif |
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95 |
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96 /* If the compiler provides a wchar_t type we try to support it |
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97 through the interface functions PyUnicode_FromWideChar(), |
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98 PyUnicode_AsWideChar() and PyUnicode_AsWideCharString(). */ |
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99 |
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100 #ifdef HAVE_USABLE_WCHAR_T |
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101 # ifndef HAVE_WCHAR_H |
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102 # define HAVE_WCHAR_H |
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103 # endif |
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104 #endif |
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105 |
| 72475 | 106 #if defined(MS_WINDOWS) |
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107 # define HAVE_MBCS |
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108 #endif |
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109 |
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110 #ifdef HAVE_WCHAR_H |
| 12074 | 111 /* Work around a cosmetic bug in BSDI 4.x wchar.h; thanks to Thomas Wouters */ |
| 112 # ifdef _HAVE_BSDI | |
| 113 # include <time.h> | |
| 114 # endif | |
| 19980 | 115 # include <wchar.h> |
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116 #endif |
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117 |
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118 /* Py_UCS4 and Py_UCS2 are typedefs for the respective |
| 72475 | 119 unicode representations. */ |
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120 #if SIZEOF_INT >= 4 |
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121 typedef unsigned int Py_UCS4; |
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122 #elif SIZEOF_LONG >= 4 |
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123 typedef unsigned long Py_UCS4; |
| 72475 | 124 #else |
| 125 #error "Could not find a proper typedef for Py_UCS4" | |
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126 #endif |
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| 72475 | 128 typedef unsigned short Py_UCS2; |
| 129 typedef unsigned char Py_UCS1; | |
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131 /* --- Internal Unicode Operations ---------------------------------------- */ |
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132 |
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133 /* Since splitting on whitespace is an important use case, and |
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134 whitespace in most situations is solely ASCII whitespace, we |
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135 optimize for the common case by using a quick look-up table |
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136 _Py_ascii_whitespace (see below) with an inlined check. |
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137 |
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138 */ |
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139 #ifndef Py_LIMITED_API |
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140 #define Py_UNICODE_ISSPACE(ch) \ |
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141 ((ch) < 128U ? _Py_ascii_whitespace[(ch)] : _PyUnicode_IsWhitespace(ch)) |
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143 #define Py_UNICODE_ISLOWER(ch) _PyUnicode_IsLowercase(ch) |
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144 #define Py_UNICODE_ISUPPER(ch) _PyUnicode_IsUppercase(ch) |
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145 #define Py_UNICODE_ISTITLE(ch) _PyUnicode_IsTitlecase(ch) |
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146 #define Py_UNICODE_ISLINEBREAK(ch) _PyUnicode_IsLinebreak(ch) |
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148 #define Py_UNICODE_TOLOWER(ch) _PyUnicode_ToLowercase(ch) |
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149 #define Py_UNICODE_TOUPPER(ch) _PyUnicode_ToUppercase(ch) |
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150 #define Py_UNICODE_TOTITLE(ch) _PyUnicode_ToTitlecase(ch) |
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151 |
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152 #define Py_UNICODE_ISDECIMAL(ch) _PyUnicode_IsDecimalDigit(ch) |
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153 #define Py_UNICODE_ISDIGIT(ch) _PyUnicode_IsDigit(ch) |
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154 #define Py_UNICODE_ISNUMERIC(ch) _PyUnicode_IsNumeric(ch) |
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155 #define Py_UNICODE_ISPRINTABLE(ch) _PyUnicode_IsPrintable(ch) |
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156 |
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157 #define Py_UNICODE_TODECIMAL(ch) _PyUnicode_ToDecimalDigit(ch) |
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158 #define Py_UNICODE_TODIGIT(ch) _PyUnicode_ToDigit(ch) |
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159 #define Py_UNICODE_TONUMERIC(ch) _PyUnicode_ToNumeric(ch) |
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160 |
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161 #define Py_UNICODE_ISALPHA(ch) _PyUnicode_IsAlpha(ch) |
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162 |
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163 #define Py_UNICODE_ISALNUM(ch) \ |
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164 (Py_UNICODE_ISALPHA(ch) || \ |
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165 Py_UNICODE_ISDECIMAL(ch) || \ |
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166 Py_UNICODE_ISDIGIT(ch) || \ |
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167 Py_UNICODE_ISNUMERIC(ch)) |
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168 |
| 72475 | 169 #define Py_UNICODE_COPY(target, source, length) \ |
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170 Py_MEMCPY((target), (source), (length)*sizeof(Py_UNICODE)) |
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171 |
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172 #define Py_UNICODE_FILL(target, value, length) \ |
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173 do {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\ |
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174 for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\ |
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175 } while (0) |
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176 |
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177 /* macros to work with surrogates */ |
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178 #define Py_UNICODE_IS_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDFFF) |
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179 #define Py_UNICODE_IS_HIGH_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDBFF) |
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180 #define Py_UNICODE_IS_LOW_SURROGATE(ch) (0xDC00 <= ch && ch <= 0xDFFF) |
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181 /* Join two surrogate characters and return a single Py_UCS4 value. */ |
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182 #define Py_UNICODE_JOIN_SURROGATES(high, low) \ |
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183 (((((Py_UCS4)(high) & 0x03FF) << 10) | \ |
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184 ((Py_UCS4)(low) & 0x03FF)) + 0x10000) |
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185 |
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186 /* Check if substring matches at given offset. The offset must be |
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187 valid, and the substring must not be empty. */ |
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188 |
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189 #define Py_UNICODE_MATCH(string, offset, substring) \ |
| 72475 | 190 ((*((string)->wstr + (offset)) == *((substring)->wstr)) && \ |
| 191 ((*((string)->wstr + (offset) + (substring)->wstr_length-1) == *((substring)->wstr + (substring)->wstr_length-1))) && \ | |
| 192 !memcmp((string)->wstr + (offset), (substring)->wstr, (substring)->wstr_length*sizeof(Py_UNICODE))) | |
| 193 | |
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194 #endif /* Py_LIMITED_API */ |
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195 |
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196 #ifdef __cplusplus |
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197 extern "C" { |
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198 #endif |
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199 |
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200 /* --- Unicode Type ------------------------------------------------------- */ |
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201 |
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202 #ifndef Py_LIMITED_API |
| 72475 | 203 |
| 204 /* ASCII-only strings created through PyUnicode_New use the PyASCIIObject | |
| 205 structure. state.ascii and state.compact are set, and the data | |
| 206 immediately follow the structure. utf8_length and wstr_length can be found | |
| 207 in the length field; the utf8 pointer is equal to the data pointer. */ | |
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208 typedef struct { |
| 72729 | 209 /* There are 4 forms of Unicode strings: |
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210 |
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211 - compact ascii: |
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212 |
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213 * structure = PyASCIIObject |
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214 * kind = PyUnicode_1BYTE_KIND |
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215 * compact = 1 |
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216 * ascii = 1 |
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217 * ready = 1 |
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218 * (length is the length of the utf8 and wstr strings) |
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219 * (data starts just after the structure) |
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220 * (since ASCII is decoded from UTF-8, the utf8 string are the data) |
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221 |
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222 - compact: |
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223 |
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224 * structure = PyCompactUnicodeObject |
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225 * kind = PyUnicode_1BYTE_KIND, PyUnicode_2BYTE_KIND or |
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226 PyUnicode_4BYTE_KIND |
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227 * compact = 1 |
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228 * ready = 1 |
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229 * ascii = 0 |
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230 * utf8 is not shared with data |
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231 * utf8_length = 0 if utf8 is NULL |
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232 * wstr is shared with data and wstr_length=length |
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233 if kind=PyUnicode_2BYTE_KIND and sizeof(wchar_t)=2 |
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234 or if kind=PyUnicode_4BYTE_KIND and sizeof(wchar_4)=4 |
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235 * wstr_length = 0 if wstr is NULL |
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236 * (data starts just after the structure) |
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237 |
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238 - legacy string, not ready: |
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239 |
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240 * structure = PyUnicodeObject |
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241 * kind = PyUnicode_WCHAR_KIND |
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242 * compact = 0 |
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243 * ascii = 0 |
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244 * ready = 0 |
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245 * wstr is not NULL |
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246 * data.any is NULL |
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247 * utf8 is NULL |
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248 * utf8_length = 0 |
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249 * interned = SSTATE_NOT_INTERNED |
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250 |
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251 - legacy string, ready: |
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252 |
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253 * structure = PyUnicodeObject structure |
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254 * kind = PyUnicode_1BYTE_KIND, PyUnicode_2BYTE_KIND or |
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255 PyUnicode_4BYTE_KIND |
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256 * compact = 0 |
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257 * ready = 1 |
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258 * data.any is not NULL |
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259 * utf8 is shared and utf8_length = length with data.any if ascii = 1 |
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260 * utf8_length = 0 if utf8 is NULL |
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261 * wstr is shared and wstr_length = length with data.any |
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262 if kind=PyUnicode_2BYTE_KIND and sizeof(wchar_t)=2 |
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263 or if kind=PyUnicode_4BYTE_KIND and sizeof(wchar_4)=4 |
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264 * wstr_length = 0 if wstr is NULL |
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265 |
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266 Compact strings use only one memory block (structure + characters), |
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267 whereas legacy strings use one block for the structure and one block |
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268 for characters. |
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269 |
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270 Legacy strings are created by PyUnicode_FromUnicode() and |
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271 PyUnicode_FromStringAndSize(NULL, size) functions. They become ready |
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272 when PyUnicode_READY() is called. |
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273 |
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274 See also _PyUnicode_CheckConsistency(). |
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275 */ |
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276 PyObject_HEAD |
| 72475 | 277 Py_ssize_t length; /* Number of code points in the string */ |
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278 Py_hash_t hash; /* Hash value; -1 if not set */ |
| 72475 | 279 struct { |
| 280 /* | |
| 281 SSTATE_NOT_INTERNED (0) | |
| 282 SSTATE_INTERNED_MORTAL (1) | |
| 283 SSTATE_INTERNED_IMMORTAL (2) | |
| 284 | |
| 285 If interned != SSTATE_NOT_INTERNED, the two references from the | |
| 286 dictionary to this object are *not* counted in ob_refcnt. | |
| 287 */ | |
| 288 unsigned int interned:2; | |
| 289 /* Character size: | |
| 290 | |
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291 - PyUnicode_WCHAR_KIND (0): |
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292 |
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293 * character type = wchar_t (16 or 32 bits, depending on the |
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294 platform) |
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295 |
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296 - PyUnicode_1BYTE_KIND (1): |
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297 |
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298 * character type = Py_UCS1 (8 bits, unsigned) |
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299 * if ascii is set, all characters must be in range |
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300 U+0000-U+007F, otherwise at least one character must be in range |
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301 U+0080-U+00FF |
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302 |
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303 - PyUnicode_2BYTE_KIND (2): |
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304 |
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305 * character type = Py_UCS2 (16 bits, unsigned) |
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306 * at least one character must be in range U+0100-U+FFFF |
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307 |
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308 - PyUnicode_4BYTE_KIND (4): |
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309 |
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310 * character type = Py_UCS4 (32 bits, unsigned) |
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311 * at least one character must be in range U+10000-U+10FFFF |
| 72475 | 312 */ |
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313 unsigned int kind:3; |
| 72475 | 314 /* Compact is with respect to the allocation scheme. Compact unicode |
| 315 objects only require one memory block while non-compact objects use | |
| 316 one block for the PyUnicodeObject struct and another for its data | |
| 317 buffer. */ | |
| 318 unsigned int compact:1; | |
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319 /* The string only contains characters in range U+0000-U+007F (ASCII) |
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320 and the kind is PyUnicode_1BYTE_KIND. If ascii is set and compact is |
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321 set, use the PyASCIIObject structure. */ |
| 72475 | 322 unsigned int ascii:1; |
| 323 /* The ready flag indicates whether the object layout is initialized | |
| 324 completely. This means that this is either a compact object, or | |
| 325 the data pointer is filled out. The bit is redundant, and helps | |
| 326 to minimize the test in PyUnicode_IS_READY(). */ | |
| 327 unsigned int ready:1; | |
| 328 } state; | |
| 329 wchar_t *wstr; /* wchar_t representation (null-terminated) */ | |
| 330 } PyASCIIObject; | |
| 331 | |
| 332 /* Non-ASCII strings allocated through PyUnicode_New use the | |
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333 PyCompactUnicodeObject structure. state.compact is set, and the data |
| 72475 | 334 immediately follow the structure. */ |
| 335 typedef struct { | |
| 336 PyASCIIObject _base; | |
| 337 Py_ssize_t utf8_length; /* Number of bytes in utf8, excluding the | |
| 338 * terminating \0. */ | |
| 339 char *utf8; /* UTF-8 representation (null-terminated) */ | |
| 340 Py_ssize_t wstr_length; /* Number of code points in wstr, possible | |
| 341 * surrogates count as two code points. */ | |
| 342 } PyCompactUnicodeObject; | |
| 343 | |
| 344 /* Strings allocated through PyUnicode_FromUnicode(NULL, len) use the | |
| 345 PyUnicodeObject structure. The actual string data is initially in the wstr | |
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346 block, and copied into the data block using _PyUnicode_Ready. */ |
| 72475 | 347 typedef struct { |
| 348 PyCompactUnicodeObject _base; | |
| 349 union { | |
| 350 void *any; | |
| 351 Py_UCS1 *latin1; | |
| 352 Py_UCS2 *ucs2; | |
| 353 Py_UCS4 *ucs4; | |
| 354 } data; /* Canonical, smallest-form Unicode buffer */ | |
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355 } PyUnicodeObject; |
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356 #endif |
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357 |
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358 PyAPI_DATA(PyTypeObject) PyUnicode_Type; |
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359 PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type; |
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360 |
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361 #define PyUnicode_Check(op) \ |
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362 PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_UNICODE_SUBCLASS) |
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363 #define PyUnicode_CheckExact(op) (Py_TYPE(op) == &PyUnicode_Type) |
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364 |
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365 /* Fast access macros */ |
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366 #ifndef Py_LIMITED_API |
| 72475 | 367 |
| 368 #define PyUnicode_WSTR_LENGTH(op) \ | |
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369 (PyUnicode_IS_COMPACT_ASCII(op) ? \ |
| 72475 | 370 ((PyASCIIObject*)op)->length : \ |
| 371 ((PyCompactUnicodeObject*)op)->wstr_length) | |
| 372 | |
| 373 /* Returns the deprecated Py_UNICODE representation's size in code units | |
| 374 (this includes surrogate pairs as 2 units). | |
| 375 If the Py_UNICODE representation is not available, it will be computed | |
| 376 on request. Use PyUnicode_GET_LENGTH() for the length in code points. */ | |
| 377 | |
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378 #define PyUnicode_GET_SIZE(op) \ |
| 72475 | 379 (assert(PyUnicode_Check(op)), \ |
| 380 (((PyASCIIObject *)(op))->wstr) ? \ | |
| 381 PyUnicode_WSTR_LENGTH(op) : \ | |
| 382 ((void)PyUnicode_AsUnicode((PyObject *)(op)), \ | |
| 383 PyUnicode_WSTR_LENGTH(op))) | |
| 384 | |
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385 #define PyUnicode_GET_DATA_SIZE(op) \ |
| 72475 | 386 (PyUnicode_GET_SIZE(op) * Py_UNICODE_SIZE) |
| 387 | |
| 388 /* Alias for PyUnicode_AsUnicode(). This will create a wchar_t/Py_UNICODE | |
| 389 representation on demand. Using this macro is very inefficient now, | |
| 390 try to port your code to use the new PyUnicode_*BYTE_DATA() macros or | |
| 391 use PyUnicode_WRITE() and PyUnicode_READ(). */ | |
| 392 | |
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393 #define PyUnicode_AS_UNICODE(op) \ |
| 72475 | 394 (assert(PyUnicode_Check(op)), \ |
| 395 (((PyASCIIObject *)(op))->wstr) ? (((PyASCIIObject *)(op))->wstr) : \ | |
| 396 PyUnicode_AsUnicode((PyObject *)(op))) | |
| 397 | |
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398 #define PyUnicode_AS_DATA(op) \ |
| 72475 | 399 ((const char *)(PyUnicode_AS_UNICODE(op))) |
| 400 | |
| 401 | |
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402 /* --- Flexible String Representation Helper Macros (PEP 393) -------------- */ |
| 72475 | 403 |
| 404 /* Values for PyUnicodeObject.state: */ | |
| 405 | |
| 406 /* Interning state. */ | |
| 407 #define SSTATE_NOT_INTERNED 0 | |
| 408 #define SSTATE_INTERNED_MORTAL 1 | |
| 409 #define SSTATE_INTERNED_IMMORTAL 2 | |
| 410 | |
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411 /* Return true if the string contains only ASCII characters, or 0 if not. The |
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412 string may be compact (PyUnicode_IS_COMPACT_ASCII) or not. No type checks |
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413 or Ready calls are performed. */ |
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414 #define PyUnicode_IS_ASCII(op) \ |
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415 (((PyASCIIObject*)op)->state.ascii) |
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416 |
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417 /* Return true if the string is compact or 0 if not. |
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418 No type checks or Ready calls are performed. */ |
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419 #define PyUnicode_IS_COMPACT(op) \ |
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420 (((PyASCIIObject*)(op))->state.compact) |
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421 |
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422 /* Return true if the string is a compact ASCII string (use PyASCIIObject |
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423 structure), or 0 if not. No type checks or Ready calls are performed. */ |
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424 #define PyUnicode_IS_COMPACT_ASCII(op) \ |
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425 (PyUnicode_IS_ASCII(op) && PyUnicode_IS_COMPACT(op)) |
| 72475 | 426 |
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427 enum PyUnicode_Kind { |
| 72475 | 428 /* String contains only wstr byte characters. This is only possible |
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429 when the string was created with a legacy API and _PyUnicode_Ready() |
| 72475 | 430 has not been called yet. */ |
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431 PyUnicode_WCHAR_KIND = 0, |
| 72475 | 432 /* Return values of the PyUnicode_KIND() macro: */ |
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433 PyUnicode_1BYTE_KIND = 1, |
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434 PyUnicode_2BYTE_KIND = 2, |
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435 PyUnicode_4BYTE_KIND = 4 |
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436 }; |
| 72475 | 437 |
| 72688 | 438 /* Return pointers to the canonical representation cast to unsigned char, |
| 72475 | 439 Py_UCS2, or Py_UCS4 for direct character access. |
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440 No checks are performed, use PyUnicode_KIND() before to ensure |
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441 these will work correctly. */ |
| 72475 | 442 |
| 443 #define PyUnicode_1BYTE_DATA(op) ((Py_UCS1*)PyUnicode_DATA(op)) | |
| 444 #define PyUnicode_2BYTE_DATA(op) ((Py_UCS2*)PyUnicode_DATA(op)) | |
| 445 #define PyUnicode_4BYTE_DATA(op) ((Py_UCS4*)PyUnicode_DATA(op)) | |
| 446 | |
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447 /* Return one of the PyUnicode_*_KIND values defined above. */ |
| 72475 | 448 #define PyUnicode_KIND(op) \ |
| 449 (assert(PyUnicode_Check(op)), \ | |
| 450 assert(PyUnicode_IS_READY(op)), \ | |
| 451 ((PyASCIIObject *)(op))->state.kind) | |
| 452 | |
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453 /* Return a void pointer to the raw unicode buffer. */ |
| 72475 | 454 #define _PyUnicode_COMPACT_DATA(op) \ |
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455 (PyUnicode_IS_ASCII(op) ? \ |
| 72475 | 456 ((void*)((PyASCIIObject*)(op) + 1)) : \ |
| 457 ((void*)((PyCompactUnicodeObject*)(op) + 1))) | |
| 458 | |
| 459 #define _PyUnicode_NONCOMPACT_DATA(op) \ | |
| 460 (assert(((PyUnicodeObject*)(op))->data.any), \ | |
| 461 ((((PyUnicodeObject *)(op))->data.any))) | |
| 462 | |
| 463 #define PyUnicode_DATA(op) \ | |
| 464 (assert(PyUnicode_Check(op)), \ | |
| 465 PyUnicode_IS_COMPACT(op) ? _PyUnicode_COMPACT_DATA(op) : \ | |
| 466 _PyUnicode_NONCOMPACT_DATA(op)) | |
| 467 | |
| 468 /* In the access macros below, "kind" may be evaluated more than once. | |
| 469 All other macro parameters are evaluated exactly once, so it is safe | |
| 470 to put side effects into them (such as increasing the index). */ | |
| 471 | |
| 472 /* Write into the canonical representation, this macro does not do any sanity | |
| 473 checks and is intended for usage in loops. The caller should cache the | |
| 72691 | 474 kind and data pointers obtained from other macro calls. |
| 72475 | 475 index is the index in the string (starts at 0) and value is the new |
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476 code point value which should be written to that location. */ |
| 72475 | 477 #define PyUnicode_WRITE(kind, data, index, value) \ |
| 478 do { \ | |
| 479 switch ((kind)) { \ | |
| 480 case PyUnicode_1BYTE_KIND: { \ | |
| 481 ((Py_UCS1 *)(data))[(index)] = (Py_UCS1)(value); \ | |
| 482 break; \ | |
| 483 } \ | |
| 484 case PyUnicode_2BYTE_KIND: { \ | |
| 485 ((Py_UCS2 *)(data))[(index)] = (Py_UCS2)(value); \ | |
| 486 break; \ | |
| 487 } \ | |
| 488 default: { \ | |
| 489 assert((kind) == PyUnicode_4BYTE_KIND); \ | |
| 490 ((Py_UCS4 *)(data))[(index)] = (Py_UCS4)(value); \ | |
| 491 } \ | |
| 492 } \ | |
| 493 } while (0) | |
| 494 | |
| 72691 | 495 /* Read a code point from the string's canonical representation. No checks |
| 72475 | 496 or ready calls are performed. */ |
| 497 #define PyUnicode_READ(kind, data, index) \ | |
| 498 ((Py_UCS4) \ | |
| 499 ((kind) == PyUnicode_1BYTE_KIND ? \ | |
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500 ((const Py_UCS1 *)(data))[(index)] : \ |
| 72475 | 501 ((kind) == PyUnicode_2BYTE_KIND ? \ |
| 502 ((const Py_UCS2 *)(data))[(index)] : \ | |
| 503 ((const Py_UCS4 *)(data))[(index)] \ | |
| 504 ) \ | |
| 505 )) | |
| 506 | |
| 507 /* PyUnicode_READ_CHAR() is less efficient than PyUnicode_READ() because it | |
| 508 calls PyUnicode_KIND() and might call it twice. For single reads, use | |
| 509 PyUnicode_READ_CHAR, for multiple consecutive reads callers should | |
| 510 cache kind and use PyUnicode_READ instead. */ | |
| 511 #define PyUnicode_READ_CHAR(unicode, index) \ | |
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512 (assert(PyUnicode_Check(unicode)), \ |
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513 assert(PyUnicode_IS_READY(unicode)), \ |
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514 (Py_UCS4) \ |
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515 (PyUnicode_KIND((unicode)) == PyUnicode_1BYTE_KIND ? \ |
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516 ((const Py_UCS1 *)(PyUnicode_DATA((unicode))))[(index)] : \ |
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517 (PyUnicode_KIND((unicode)) == PyUnicode_2BYTE_KIND ? \ |
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518 ((const Py_UCS2 *)(PyUnicode_DATA((unicode))))[(index)] : \ |
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519 ((const Py_UCS4 *)(PyUnicode_DATA((unicode))))[(index)] \ |
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520 ) \ |
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521 )) |
| 72475 | 522 |
| 523 /* Returns the length of the unicode string. The caller has to make sure that | |
| 524 the string has it's canonical representation set before calling | |
| 525 this macro. Call PyUnicode_(FAST_)Ready to ensure that. */ | |
| 526 #define PyUnicode_GET_LENGTH(op) \ | |
| 527 (assert(PyUnicode_Check(op)), \ | |
| 528 assert(PyUnicode_IS_READY(op)), \ | |
| 529 ((PyASCIIObject *)(op))->length) | |
| 530 | |
| 531 | |
| 532 /* Fast check to determine whether an object is ready. Equivalent to | |
| 533 PyUnicode_IS_COMPACT(op) || ((PyUnicodeObject*)(op))->data.any) */ | |
| 534 | |
| 535 #define PyUnicode_IS_READY(op) (((PyASCIIObject*)op)->state.ready) | |
| 536 | |
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537 /* PyUnicode_READY() does less work than _PyUnicode_Ready() in the best |
| 72475 | 538 case. If the canonical representation is not yet set, it will still call |
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539 _PyUnicode_Ready(). |
| 72475 | 540 Returns 0 on success and -1 on errors. */ |
| 541 #define PyUnicode_READY(op) \ | |
| 542 (assert(PyUnicode_Check(op)), \ | |
| 543 (PyUnicode_IS_READY(op) ? \ | |
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544 0 : _PyUnicode_Ready((PyObject *)(op)))) |
| 72475 | 545 |
| 546 /* Return a maximum character value which is suitable for creating another | |
| 547 string based on op. This is always an approximation but more efficient | |
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548 than iterating over the string. */ |
| 72475 | 549 #define PyUnicode_MAX_CHAR_VALUE(op) \ |
| 550 (assert(PyUnicode_IS_READY(op)), \ | |
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551 (PyUnicode_IS_ASCII(op) ? \ |
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552 (0x7f) : \ |
| 72475 | 553 (PyUnicode_KIND(op) == PyUnicode_1BYTE_KIND ? \ |
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554 (0xffU) : \ |
| 72475 | 555 (PyUnicode_KIND(op) == PyUnicode_2BYTE_KIND ? \ |
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556 (0xffffU) : \ |
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557 (0x10ffffU))))) |
| 72475 | 558 |
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559 #endif |
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560 |
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561 /* --- Constants ---------------------------------------------------------- */ |
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562 |
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563 /* This Unicode character will be used as replacement character during |
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564 decoding if the errors argument is set to "replace". Note: the |
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565 Unicode character U+FFFD is the official REPLACEMENT CHARACTER in |
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566 Unicode 3.0. */ |
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567 |
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568 #define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UCS4) 0xFFFD) |
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569 |
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570 /* === Public API ========================================================= */ |
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571 |
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572 /* --- Plain Py_UNICODE --------------------------------------------------- */ |
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573 |
| 72475 | 574 /* With PEP 393, this is the recommended way to allocate a new unicode object. |
| 575 This function will allocate the object and its buffer in a single memory | |
| 576 block. Objects created using this function are not resizable. */ | |
| 577 #ifndef Py_LIMITED_API | |
| 578 PyAPI_FUNC(PyObject*) PyUnicode_New( | |
| 579 Py_ssize_t size, /* Number of code points in the new string */ | |
| 580 Py_UCS4 maxchar /* maximum code point value in the string */ | |
| 581 ); | |
| 582 #endif | |
| 583 | |
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584 /* Initializes the canonical string representation from a the deprecated |
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585 wstr/Py_UNICODE representation. This function is used to convert Unicode |
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586 objects which were created using the old API to the new flexible format |
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587 introduced with PEP 393. |
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588 |
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589 Don't call this function directly, use the public PyUnicode_READY() macro |
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590 instead. */ |
| 72475 | 591 #ifndef Py_LIMITED_API |
| 592 PyAPI_FUNC(int) _PyUnicode_Ready( | |
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593 PyObject *unicode /* Unicode object */ |
| 72475 | 594 ); |
| 595 #endif | |
| 596 | |
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597 /* Get a copy of a Unicode string. */ |
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598 PyAPI_FUNC(PyObject*) PyUnicode_Copy( |
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599 PyObject *unicode |
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600 ); |
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601 |
| 72475 | 602 /* Copy character from one unicode object into another, this function performs |
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603 character conversion when necessary and falls back to memcpy if possible. |
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604 |
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605 Fail if to is too small (smaller than how_many or smaller than |
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606 len(from)-from_start), or if kind(from[from_start:from_start+how_many]) > |
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607 kind(to), or if to has more than 1 reference. |
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608 |
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609 Return the number of written character, or return -1 and raise an exception |
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610 on error. |
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611 |
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612 Pseudo-code: |
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613 |
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614 how_many = min(how_many, len(from) - from_start) |
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615 to[to_start:to_start+how_many] = from[from_start:from_start+how_many] |
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616 return how_many |
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617 |
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618 Note: The function doesn't write a terminating null character. |
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619 */ |
| 72475 | 620 #ifndef Py_LIMITED_API |
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621 PyAPI_FUNC(Py_ssize_t) PyUnicode_CopyCharacters( |
| 72475 | 622 PyObject *to, |
| 623 Py_ssize_t to_start, | |
| 624 PyObject *from, | |
| 625 Py_ssize_t from_start, | |
| 626 Py_ssize_t how_many | |
| 627 ); | |
| 628 #endif | |
| 629 | |
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630 /* Create a Unicode Object from the Py_UNICODE buffer u of the given |
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631 size. |
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632 |
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633 u may be NULL which causes the contents to be undefined. It is the |
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634 user's responsibility to fill in the needed data afterwards. Note |
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635 that modifying the Unicode object contents after construction is |
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636 only allowed if u was set to NULL. |
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637 |
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638 The buffer is copied into the new object. */ |
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639 |
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640 #ifndef Py_LIMITED_API |
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641 PyAPI_FUNC(PyObject*) PyUnicode_FromUnicode( |
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642 const Py_UNICODE *u, /* Unicode buffer */ |
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643 Py_ssize_t size /* size of buffer */ |
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644 ); |
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645 #endif |
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646 |
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647 /* Similar to PyUnicode_FromUnicode(), but u points to UTF-8 encoded bytes */ |
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648 PyAPI_FUNC(PyObject*) PyUnicode_FromStringAndSize( |
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649 const char *u, /* UTF-8 encoded string */ |
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650 Py_ssize_t size /* size of buffer */ |
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651 ); |
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652 |
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653 /* Similar to PyUnicode_FromUnicode(), but u points to null-terminated |
| 72475 | 654 UTF-8 encoded bytes. The size is determined with strlen(). */ |
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655 PyAPI_FUNC(PyObject*) PyUnicode_FromString( |
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656 const char *u /* UTF-8 encoded string */ |
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657 ); |
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658 |
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659 /* Create a new string from a buffer of Py_UCS1, Py_UCS2 or Py_UCS4 characters. |
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660 Scan the string to find the maximum character. */ |
| 72475 | 661 #ifndef Py_LIMITED_API |
| 662 PyAPI_FUNC(PyObject*) PyUnicode_FromKindAndData( | |
| 663 int kind, | |
| 664 const void *buffer, | |
| 665 Py_ssize_t size); | |
| 666 #endif | |
| 667 | |
| 668 PyAPI_FUNC(PyObject*) PyUnicode_Substring( | |
| 669 PyObject *str, | |
| 670 Py_ssize_t start, | |
| 671 Py_ssize_t end); | |
| 672 | |
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673 /* Copy the string into a UCS4 buffer including the null character if copy_null |
| 72475 | 674 is set. Return NULL and raise an exception on error. Raise a ValueError if |
| 675 the buffer is smaller than the string. Return buffer on success. | |
| 676 | |
| 677 buflen is the length of the buffer in (Py_UCS4) characters. */ | |
| 678 PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4( | |
| 679 PyObject *unicode, | |
| 680 Py_UCS4* buffer, | |
| 681 Py_ssize_t buflen, | |
| 682 int copy_null); | |
| 683 | |
| 684 /* Copy the string into a UCS4 buffer. A new buffer is allocated using | |
| 685 * PyMem_Malloc; if this fails, NULL is returned with a memory error | |
| 686 exception set. */ | |
| 687 PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4Copy(PyObject *unicode); | |
| 688 | |
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689 /* Return a read-only pointer to the Unicode object's internal |
| 72475 | 690 Py_UNICODE buffer. |
| 691 If the wchar_t/Py_UNICODE representation is not yet available, this | |
| 692 function will calculate it. */ | |
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693 |
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694 #ifndef Py_LIMITED_API |
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695 PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode( |
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696 PyObject *unicode /* Unicode object */ |
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697 ); |
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698 #endif |
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699 |
| 72475 | 700 /* Return a read-only pointer to the Unicode object's internal |
| 701 Py_UNICODE buffer and save the length at size. | |
| 702 If the wchar_t/Py_UNICODE representation is not yet available, this | |
| 703 function will calculate it. */ | |
| 704 | |
| 705 #ifndef Py_LIMITED_API | |
| 706 PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicodeAndSize( | |
| 707 PyObject *unicode, /* Unicode object */ | |
| 708 Py_ssize_t *size /* location where to save the length */ | |
| 709 ); | |
| 710 #endif | |
| 711 | |
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712 /* Get the length of the Unicode object. */ |
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713 |
| 72475 | 714 PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength( |
| 715 PyObject *unicode | |
| 716 ); | |
| 717 | |
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718 /* Get the number of Py_UNICODE units in the |
| 72475 | 719 string representation. */ |
| 720 | |
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721 PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize( |
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722 PyObject *unicode /* Unicode object */ |
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723 ); |
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724 |
| 72475 | 725 /* Read a character from the string. */ |
| 726 | |
| 727 PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar( | |
| 728 PyObject *unicode, | |
| 729 Py_ssize_t index | |
| 730 ); | |
| 731 | |
| 732 /* Write a character to the string. The string must have been created through | |
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733 PyUnicode_New, must not be shared, and must not have been hashed yet. |
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734 |
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735 Return 0 on success, -1 on error. */ |
| 72475 | 736 |
| 737 PyAPI_FUNC(int) PyUnicode_WriteChar( | |
| 738 PyObject *unicode, | |
| 739 Py_ssize_t index, | |
| 740 Py_UCS4 character | |
| 741 ); | |
| 742 | |
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743 #ifndef Py_LIMITED_API |
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744 /* Get the maximum ordinal for a Unicode character. */ |
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745 PyAPI_FUNC(Py_UNICODE) PyUnicode_GetMax(void); |
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746 #endif |
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747 |
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748 /* Resize an Unicode object allocated by the legacy API (e.g. |
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749 PyUnicode_FromUnicode). Unicode objects allocated by the new API (e.g. |
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758 If the refcount on the object is 1, the function resizes the string in |
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759 place, which is usually faster than allocating a new string (and copy |
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762 Error handling is implemented as follows: an exception is set, -1 |
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763 is returned and *unicode left untouched. */ |
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765 PyAPI_FUNC(int) PyUnicode_Resize( |
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767 Py_ssize_t length /* New length */ |
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771 *incremented* refcount. |
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773 Coercion is done in the following way: |
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775 1. bytes, bytearray and other char buffer compatible objects are decoded |
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777 encoding. Decoding is done in "strict" mode. |
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779 2. All other objects (including Unicode objects) raise an |
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780 exception. |
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782 The API returns NULL in case of an error. The caller is responsible |
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785 */ |
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787 PyAPI_FUNC(PyObject*) PyUnicode_FromEncodedObject( |
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788 register PyObject *obj, /* Object */ |
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789 const char *encoding, /* encoding */ |
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790 const char *errors /* error handling */ |
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794 *incremented* refcount. |
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796 Unicode objects are passed back as-is (subclasses are converted to |
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797 true Unicode objects), all other objects are delegated to |
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798 PyUnicode_FromEncodedObject(obj, NULL, "strict") which results in |
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799 using UTF-8 encoding as basis for decoding the object. |
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801 The API returns NULL in case of an error. The caller is responsible |
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802 for decref'ing the returned objects. |
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804 */ |
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806 PyAPI_FUNC(PyObject*) PyUnicode_FromObject( |
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807 register PyObject *obj /* Object */ |
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809 |
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810 PyAPI_FUNC(PyObject *) PyUnicode_FromFormatV( |
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811 const char *format, /* ASCII-encoded string */ |
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812 va_list vargs |
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814 PyAPI_FUNC(PyObject *) PyUnicode_FromFormat( |
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815 const char *format, /* ASCII-encoded string */ |
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816 ... |
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819 #ifndef Py_LIMITED_API |
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820 /* Format the object based on the format_spec, as defined in PEP 3101 |
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821 (Advanced String Formatting). */ |
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822 PyAPI_FUNC(PyObject *) _PyUnicode_FormatAdvanced(PyObject *obj, |
| 72475 | 823 PyObject *format_spec, |
| 824 Py_ssize_t start, | |
| 825 Py_ssize_t end); | |
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826 #endif |
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828 PyAPI_FUNC(void) PyUnicode_InternInPlace(PyObject **); |
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829 PyAPI_FUNC(void) PyUnicode_InternImmortal(PyObject **); |
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830 PyAPI_FUNC(PyObject *) PyUnicode_InternFromString( |
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831 const char *u /* UTF-8 encoded string */ |
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832 ); |
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833 #ifndef Py_LIMITED_API |
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834 PyAPI_FUNC(void) _Py_ReleaseInternedUnicodeStrings(void); |
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835 #endif |
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837 /* Use only if you know it's a string */ |
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| 839 (((PyASCIIObject *)(op))->state.interned) | |
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841 /* --- wchar_t support for platforms which support it --------------------- */ |
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843 #ifdef HAVE_WCHAR_H |
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845 /* Create a Unicode Object from the wchar_t buffer w of the given |
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846 size. |
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848 The buffer is copied into the new object. */ |
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850 PyAPI_FUNC(PyObject*) PyUnicode_FromWideChar( |
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851 register const wchar_t *w, /* wchar_t buffer */ |
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852 Py_ssize_t size /* size of buffer */ |
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855 /* Copies the Unicode Object contents into the wchar_t buffer w. At |
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856 most size wchar_t characters are copied. |
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858 Note that the resulting wchar_t string may or may not be |
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859 0-terminated. It is the responsibility of the caller to make sure |
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860 that the wchar_t string is 0-terminated in case this is required by |
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861 the application. |
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863 Returns the number of wchar_t characters copied (excluding a |
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864 possibly trailing 0-termination character) or -1 in case of an |
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865 error. */ |
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867 PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar( |
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868 PyObject *unicode, /* Unicode object */ |
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869 register wchar_t *w, /* wchar_t buffer */ |
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870 Py_ssize_t size /* size of buffer */ |
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871 ); |
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873 /* Convert the Unicode object to a wide character string. The output string |
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875 wide characters (excluding the null character) into *size. |
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877 Returns a buffer allocated by PyMem_Alloc() (use PyMem_Free() to free it) |
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878 on success. On error, returns NULL, *size is undefined and raises a |
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879 MemoryError. */ |
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881 PyAPI_FUNC(wchar_t*) PyUnicode_AsWideCharString( |
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882 PyObject *unicode, /* Unicode object */ |
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883 Py_ssize_t *size /* number of characters of the result */ |
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884 ); |
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886 #ifndef Py_LIMITED_API |
| 72475 | 887 PyAPI_FUNC(void*) _PyUnicode_AsKind(PyObject *s, unsigned int kind); |
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888 #endif |
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892 /* --- Unicode ordinals --------------------------------------------------- */ |
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894 /* Create a Unicode Object from the given Unicode code point ordinal. |
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896 The ordinal must be in range(0x10000) on narrow Python builds |
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897 (UCS2), and range(0x110000) on wide builds (UCS4). A ValueError is |
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898 raised in case it is not. |
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900 */ |
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902 PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal); |
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904 /* --- Free-list management ----------------------------------------------- */ |
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905 |
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906 /* Clear the free list used by the Unicode implementation. |
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908 This can be used to release memory used for objects on the free |
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909 list back to the Python memory allocator. |
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911 */ |
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913 PyAPI_FUNC(int) PyUnicode_ClearFreeList(void); |
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915 /* === Builtin Codecs ===================================================== |
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917 Many of these APIs take two arguments encoding and errors. These |
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918 parameters encoding and errors have the same semantics as the ones |
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919 of the builtin str() API. |
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921 Setting encoding to NULL causes the default encoding (UTF-8) to be used. |
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923 Error handling is set by errors which may also be set to NULL |
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924 meaning to use the default handling defined for the codec. Default |
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925 error handling for all builtin codecs is "strict" (ValueErrors are |
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926 raised). |
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928 The codecs all use a similar interface. Only deviation from the |
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929 generic ones are documented. |
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931 */ |
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933 /* --- Manage the default encoding ---------------------------------------- */ |
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935 /* Returns a pointer to the default encoding (UTF-8) of the |
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936 Unicode object unicode and the size of the encoded representation |
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937 in bytes stored in *size. |
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938 |
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939 In case of an error, no *size is set. |
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940 |
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941 This function caches the UTF-8 encoded string in the unicodeobject |
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942 and subsequent calls will return the same string. The memory is released |
| 72475 | 943 when the unicodeobject is deallocated. |
| 944 | |
| 945 _PyUnicode_AsStringAndSize is a #define for PyUnicode_AsUTF8AndSize to | |
| 946 support the previous internal function with the same behaviour. | |
| 947 | |
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948 *** This API is for interpreter INTERNAL USE ONLY and will likely |
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949 *** be removed or changed in the future. |
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951 *** If you need to access the Unicode object as UTF-8 bytes string, |
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952 *** please use PyUnicode_AsUTF8String() instead. |
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953 */ |
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954 |
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955 #ifndef Py_LIMITED_API |
| 72475 | 956 PyAPI_FUNC(char *) PyUnicode_AsUTF8AndSize( |
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957 PyObject *unicode, |
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958 Py_ssize_t *size); |
| 72475 | 959 #define _PyUnicode_AsStringAndSize PyUnicode_AsUTF8AndSize |
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960 #endif |
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962 /* Returns a pointer to the default encoding (UTF-8) of the |
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963 Unicode object unicode. |
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964 |
| 72475 | 965 Like PyUnicode_AsUTF8AndSize(), this also caches the UTF-8 representation |
| 966 in the unicodeobject. | |
| 967 | |
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| 969 support the previous internal function with the same behaviour. | |
| 970 | |
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971 Use of this API is DEPRECATED since no size information can be |
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974 *** This API is for interpreter INTERNAL USE ONLY and will likely |
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977 *** If you need to access the Unicode object as UTF-8 bytes string, |
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980 */ |
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982 #ifndef Py_LIMITED_API |
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985 #endif |
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987 /* Returns "utf-8". */ |
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989 PyAPI_FUNC(const char*) PyUnicode_GetDefaultEncoding(void); |
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991 /* --- Generic Codecs ----------------------------------------------------- */ |
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993 /* Create a Unicode object by decoding the encoded string s of the |
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994 given size. */ |
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996 PyAPI_FUNC(PyObject*) PyUnicode_Decode( |
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997 const char *s, /* encoded string */ |
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998 Py_ssize_t size, /* size of buffer */ |
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999 const char *encoding, /* encoding */ |
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1000 const char *errors /* error handling */ |
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1002 |
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1003 /* Decode a Unicode object unicode and return the result as Python |
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1004 object. */ |
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1005 |
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1006 PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedObject( |
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1007 PyObject *unicode, /* Unicode object */ |
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1008 const char *encoding, /* encoding */ |
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1009 const char *errors /* error handling */ |
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1012 /* Decode a Unicode object unicode and return the result as Unicode |
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1013 object. */ |
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1015 PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedUnicode( |
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1016 PyObject *unicode, /* Unicode object */ |
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1017 const char *encoding, /* encoding */ |
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1018 const char *errors /* error handling */ |
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1019 ); |
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1020 |
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1021 /* Encodes a Py_UNICODE buffer of the given size and returns a |
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1022 Python string object. */ |
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1023 |
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1024 #ifndef Py_LIMITED_API |
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1025 PyAPI_FUNC(PyObject*) PyUnicode_Encode( |
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1026 const Py_UNICODE *s, /* Unicode char buffer */ |
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1027 Py_ssize_t size, /* number of Py_UNICODE chars to encode */ |
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1028 const char *encoding, /* encoding */ |
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1029 const char *errors /* error handling */ |
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1030 ); |
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1031 #endif |
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1033 /* Encodes a Unicode object and returns the result as Python |
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1034 object. */ |
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1035 |
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1036 PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedObject( |
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1037 PyObject *unicode, /* Unicode object */ |
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1038 const char *encoding, /* encoding */ |
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1039 const char *errors /* error handling */ |
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1040 ); |
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1042 /* Encodes a Unicode object and returns the result as Python string |
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1043 object. */ |
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1045 PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedString( |
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1046 PyObject *unicode, /* Unicode object */ |
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1047 const char *encoding, /* encoding */ |
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1048 const char *errors /* error handling */ |
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1050 |
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1051 /* Encodes a Unicode object and returns the result as Unicode |
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1052 object. */ |
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1053 |
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1054 PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedUnicode( |
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1055 PyObject *unicode, /* Unicode object */ |
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1056 const char *encoding, /* encoding */ |
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1057 const char *errors /* error handling */ |
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1060 /* Build an encoding map. */ |
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1061 |
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1062 PyAPI_FUNC(PyObject*) PyUnicode_BuildEncodingMap( |
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1063 PyObject* string /* 256 character map */ |
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1065 |
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1066 /* --- UTF-7 Codecs ------------------------------------------------------- */ |
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1068 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7( |
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1069 const char *string, /* UTF-7 encoded string */ |
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1070 Py_ssize_t length, /* size of string */ |
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1071 const char *errors /* error handling */ |
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1074 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7Stateful( |
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1075 const char *string, /* UTF-7 encoded string */ |
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1076 Py_ssize_t length, /* size of string */ |
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1077 const char *errors, /* error handling */ |
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1078 Py_ssize_t *consumed /* bytes consumed */ |
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1082 PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF7( |
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1083 const Py_UNICODE *data, /* Unicode char buffer */ |
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1084 Py_ssize_t length, /* number of Py_UNICODE chars to encode */ |
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1085 int base64SetO, /* Encode RFC2152 Set O characters in base64 */ |
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1086 int base64WhiteSpace, /* Encode whitespace (sp, ht, nl, cr) in base64 */ |
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1087 const char *errors /* error handling */ |
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1089 #endif |
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1091 /* --- UTF-8 Codecs ------------------------------------------------------- */ |
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1093 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8( |
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1094 const char *string, /* UTF-8 encoded string */ |
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1095 Py_ssize_t length, /* size of string */ |
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1096 const char *errors /* error handling */ |
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1099 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8Stateful( |
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1100 const char *string, /* UTF-8 encoded string */ |
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1101 Py_ssize_t length, /* size of string */ |
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1102 const char *errors, /* error handling */ |
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1103 Py_ssize_t *consumed /* bytes consumed */ |
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1106 PyAPI_FUNC(PyObject*) PyUnicode_AsUTF8String( |
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1107 PyObject *unicode /* Unicode object */ |
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1110 #ifndef Py_LIMITED_API |
| 72475 | 1111 PyAPI_FUNC(PyObject*) _PyUnicode_AsUTF8String( |
| 1112 PyObject *unicode, | |
| 1113 const char *errors); | |
| 1114 | |
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1115 PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF8( |
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1116 const Py_UNICODE *data, /* Unicode char buffer */ |
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1117 Py_ssize_t length, /* number of Py_UNICODE chars to encode */ |
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1118 const char *errors /* error handling */ |
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1120 #endif |
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1122 /* --- UTF-32 Codecs ------------------------------------------------------ */ |
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1123 |
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1124 /* Decodes length bytes from a UTF-32 encoded buffer string and returns |
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1125 the corresponding Unicode object. |
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1127 errors (if non-NULL) defines the error handling. It defaults |
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1128 to "strict". |
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1130 If byteorder is non-NULL, the decoder starts decoding using the |
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1131 given byte order: |
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1133 *byteorder == -1: little endian |
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1134 *byteorder == 0: native order |
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1135 *byteorder == 1: big endian |
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1137 In native mode, the first four bytes of the stream are checked for a |
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1138 BOM mark. If found, the BOM mark is analysed, the byte order |
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1139 adjusted and the BOM skipped. In the other modes, no BOM mark |
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1140 interpretation is done. After completion, *byteorder is set to the |
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1141 current byte order at the end of input data. |
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1142 |
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1143 If byteorder is NULL, the codec starts in native order mode. |
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1145 */ |
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1147 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32( |
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1148 const char *string, /* UTF-32 encoded string */ |
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1149 Py_ssize_t length, /* size of string */ |
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1150 const char *errors, /* error handling */ |
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1151 int *byteorder /* pointer to byteorder to use |
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1152 0=native;-1=LE,1=BE; updated on |
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1153 exit */ |
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1156 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32Stateful( |
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1157 const char *string, /* UTF-32 encoded string */ |
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1158 Py_ssize_t length, /* size of string */ |
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1159 const char *errors, /* error handling */ |
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1160 int *byteorder, /* pointer to byteorder to use |
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1161 0=native;-1=LE,1=BE; updated on |
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1162 exit */ |
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1163 Py_ssize_t *consumed /* bytes consumed */ |
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1166 /* Returns a Python string using the UTF-32 encoding in native byte |
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1167 order. The string always starts with a BOM mark. */ |
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1169 PyAPI_FUNC(PyObject*) PyUnicode_AsUTF32String( |
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1170 PyObject *unicode /* Unicode object */ |
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1173 /* Returns a Python string object holding the UTF-32 encoded value of |
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1174 the Unicode data. |
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1176 If byteorder is not 0, output is written according to the following |
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1177 byte order: |
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1179 byteorder == -1: little endian |
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1180 byteorder == 0: native byte order (writes a BOM mark) |
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1183 If byteorder is 0, the output string will always start with the |
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1184 Unicode BOM mark (U+FEFF). In the other two modes, no BOM mark is |
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1185 prepended. |
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1187 */ |
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1189 #ifndef Py_LIMITED_API |
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1190 PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF32( |
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1191 const Py_UNICODE *data, /* Unicode char buffer */ |
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1192 Py_ssize_t length, /* number of Py_UNICODE chars to encode */ |
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1193 const char *errors, /* error handling */ |
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1194 int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */ |
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1195 ); |
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1196 #endif |
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1198 /* --- UTF-16 Codecs ------------------------------------------------------ */ |
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1200 /* Decodes length bytes from a UTF-16 encoded buffer string and returns |
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1201 the corresponding Unicode object. |
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1203 errors (if non-NULL) defines the error handling. It defaults |
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1204 to "strict". |
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1206 If byteorder is non-NULL, the decoder starts decoding using the |
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1207 given byte order: |
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1208 |
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1209 *byteorder == -1: little endian |
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1210 *byteorder == 0: native order |
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1211 *byteorder == 1: big endian |
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1213 In native mode, the first two bytes of the stream are checked for a |
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1214 BOM mark. If found, the BOM mark is analysed, the byte order |
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1215 adjusted and the BOM skipped. In the other modes, no BOM mark |
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1216 interpretation is done. After completion, *byteorder is set to the |
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1217 current byte order at the end of input data. |
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1219 If byteorder is NULL, the codec starts in native order mode. |
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1221 */ |
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1222 |
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1223 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16( |
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1224 const char *string, /* UTF-16 encoded string */ |
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1225 Py_ssize_t length, /* size of string */ |
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1226 const char *errors, /* error handling */ |
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1227 int *byteorder /* pointer to byteorder to use |
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1228 0=native;-1=LE,1=BE; updated on |
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1229 exit */ |
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1230 ); |
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1231 |
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1232 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16Stateful( |
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1233 const char *string, /* UTF-16 encoded string */ |
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1234 Py_ssize_t length, /* size of string */ |
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1235 const char *errors, /* error handling */ |
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1236 int *byteorder, /* pointer to byteorder to use |
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1237 0=native;-1=LE,1=BE; updated on |
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1238 exit */ |
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1239 Py_ssize_t *consumed /* bytes consumed */ |
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1240 ); |
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1241 |
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1242 /* Returns a Python string using the UTF-16 encoding in native byte |
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1243 order. The string always starts with a BOM mark. */ |
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1244 |
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1245 PyAPI_FUNC(PyObject*) PyUnicode_AsUTF16String( |
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1246 PyObject *unicode /* Unicode object */ |
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1247 ); |
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1248 |
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1249 /* Returns a Python string object holding the UTF-16 encoded value of |
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1250 the Unicode data. |
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1251 |
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1252 If byteorder is not 0, output is written according to the following |
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1253 byte order: |
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1255 byteorder == -1: little endian |
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1256 byteorder == 0: native byte order (writes a BOM mark) |
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1257 byteorder == 1: big endian |
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1258 |
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1259 If byteorder is 0, the output string will always start with the |
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1260 Unicode BOM mark (U+FEFF). In the other two modes, no BOM mark is |
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1261 prepended. |
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1263 Note that Py_UNICODE data is being interpreted as UTF-16 reduced to |
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1264 UCS-2. This trick makes it possible to add full UTF-16 capabilities |
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1265 at a later point without compromising the APIs. |
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1267 */ |
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1268 |
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1269 #ifndef Py_LIMITED_API |
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1270 PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF16( |
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1271 const Py_UNICODE *data, /* Unicode char buffer */ |
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1272 Py_ssize_t length, /* number of Py_UNICODE chars to encode */ |
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1273 const char *errors, /* error handling */ |
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1274 int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */ |
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1276 #endif |
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1278 /* --- Unicode-Escape Codecs ---------------------------------------------- */ |
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1280 PyAPI_FUNC(PyObject*) PyUnicode_DecodeUnicodeEscape( |
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1281 const char *string, /* Unicode-Escape encoded string */ |
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1282 Py_ssize_t length, /* size of string */ |
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1286 PyAPI_FUNC(PyObject*) PyUnicode_AsUnicodeEscapeString( |
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1287 PyObject *unicode /* Unicode object */ |
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1290 #ifndef Py_LIMITED_API |
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1291 PyAPI_FUNC(PyObject*) PyUnicode_EncodeUnicodeEscape( |
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1292 const Py_UNICODE *data, /* Unicode char buffer */ |
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1293 Py_ssize_t length /* Number of Py_UNICODE chars to encode */ |
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1295 #endif |
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1297 /* --- Raw-Unicode-Escape Codecs ------------------------------------------ */ |
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1299 PyAPI_FUNC(PyObject*) PyUnicode_DecodeRawUnicodeEscape( |
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1300 const char *string, /* Raw-Unicode-Escape encoded string */ |
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1301 Py_ssize_t length, /* size of string */ |
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1302 const char *errors /* error handling */ |
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1305 PyAPI_FUNC(PyObject*) PyUnicode_AsRawUnicodeEscapeString( |
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1306 PyObject *unicode /* Unicode object */ |
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1309 #ifndef Py_LIMITED_API |
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1310 PyAPI_FUNC(PyObject*) PyUnicode_EncodeRawUnicodeEscape( |
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1311 const Py_UNICODE *data, /* Unicode char buffer */ |
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1312 Py_ssize_t length /* Number of Py_UNICODE chars to encode */ |
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1314 #endif |
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| 35485 | 1316 /* --- Unicode Internal Codec --------------------------------------------- |
| 1317 | |
| 1318 Only for internal use in _codecsmodule.c */ | |
| 1319 | |
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1320 #ifndef Py_LIMITED_API |
| 35485 | 1321 PyObject *_PyUnicode_DecodeUnicodeInternal( |
| 1322 const char *string, | |
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1323 Py_ssize_t length, |
| 35485 | 1324 const char *errors |
| 1325 ); | |
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1326 #endif |
| 35485 | 1327 |
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1328 /* --- Latin-1 Codecs ----------------------------------------------------- |
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1330 Note: Latin-1 corresponds to the first 256 Unicode ordinals. |
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1332 */ |
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1334 PyAPI_FUNC(PyObject*) PyUnicode_DecodeLatin1( |
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1335 const char *string, /* Latin-1 encoded string */ |
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1336 Py_ssize_t length, /* size of string */ |
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1337 const char *errors /* error handling */ |
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1338 ); |
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1340 PyAPI_FUNC(PyObject*) PyUnicode_AsLatin1String( |
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1341 PyObject *unicode /* Unicode object */ |
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1342 ); |
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1343 |
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1344 #ifndef Py_LIMITED_API |
| 72475 | 1345 PyAPI_FUNC(PyObject*) _PyUnicode_AsLatin1String( |
| 1346 PyObject* unicode, | |
| 1347 const char* errors); | |
| 1348 | |
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1349 PyAPI_FUNC(PyObject*) PyUnicode_EncodeLatin1( |
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1350 const Py_UNICODE *data, /* Unicode char buffer */ |
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1351 Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ |
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1352 const char *errors /* error handling */ |
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1354 #endif |
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1355 |
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1356 /* --- ASCII Codecs ------------------------------------------------------- |
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1358 Only 7-bit ASCII data is excepted. All other codes generate errors. |
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1360 */ |
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1362 PyAPI_FUNC(PyObject*) PyUnicode_DecodeASCII( |
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1363 const char *string, /* ASCII encoded string */ |
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1364 Py_ssize_t length, /* size of string */ |
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1365 const char *errors /* error handling */ |
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1368 PyAPI_FUNC(PyObject*) PyUnicode_AsASCIIString( |
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1369 PyObject *unicode /* Unicode object */ |
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1370 ); |
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1372 #ifndef Py_LIMITED_API |
| 72475 | 1373 PyAPI_FUNC(PyObject*) _PyUnicode_AsASCIIString( |
| 1374 PyObject* unicode, | |
| 1375 const char* errors); | |
| 1376 | |
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1377 PyAPI_FUNC(PyObject*) PyUnicode_EncodeASCII( |
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1378 const Py_UNICODE *data, /* Unicode char buffer */ |
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1379 Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ |
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1380 const char *errors /* error handling */ |
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1382 #endif |
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1383 |
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1384 /* --- Character Map Codecs ----------------------------------------------- |
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1386 This codec uses mappings to encode and decode characters. |
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1388 Decoding mappings must map single string characters to single |
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1389 Unicode characters, integers (which are then interpreted as Unicode |
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1390 ordinals) or None (meaning "undefined mapping" and causing an |
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1391 error). |
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1393 Encoding mappings must map single Unicode characters to single |
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1394 string characters, integers (which are then interpreted as Latin-1 |
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1395 ordinals) or None (meaning "undefined mapping" and causing an |
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1396 error). |
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1398 If a character lookup fails with a LookupError, the character is |
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1399 copied as-is meaning that its ordinal value will be interpreted as |
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1400 Unicode or Latin-1 ordinal resp. Because of this mappings only need |
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1401 to contain those mappings which map characters to different code |
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1402 points. |
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1404 */ |
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1406 PyAPI_FUNC(PyObject*) PyUnicode_DecodeCharmap( |
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1407 const char *string, /* Encoded string */ |
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1408 Py_ssize_t length, /* size of string */ |
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1409 PyObject *mapping, /* character mapping |
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1410 (char ordinal -> unicode ordinal) */ |
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1411 const char *errors /* error handling */ |
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1414 PyAPI_FUNC(PyObject*) PyUnicode_AsCharmapString( |
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1415 PyObject *unicode, /* Unicode object */ |
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1416 PyObject *mapping /* character mapping |
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1417 (unicode ordinal -> char ordinal) */ |
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1418 ); |
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1419 |
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1420 #ifndef Py_LIMITED_API |
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1421 PyAPI_FUNC(PyObject*) PyUnicode_EncodeCharmap( |
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1422 const Py_UNICODE *data, /* Unicode char buffer */ |
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1423 Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ |
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1424 PyObject *mapping, /* character mapping |
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1425 (unicode ordinal -> char ordinal) */ |
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1426 const char *errors /* error handling */ |
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1427 ); |
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1428 #endif |
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1429 |
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1430 /* Translate a Py_UNICODE buffer of the given length by applying a |
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1431 character mapping table to it and return the resulting Unicode |
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1432 object. |
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1434 The mapping table must map Unicode ordinal integers to Unicode |
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1435 ordinal integers or None (causing deletion of the character). |
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1436 |
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1437 Mapping tables may be dictionaries or sequences. Unmapped character |
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1438 ordinals (ones which cause a LookupError) are left untouched and |
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1439 are copied as-is. |
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1441 */ |
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1442 |
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1443 #ifndef Py_LIMITED_API |
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1444 PyAPI_FUNC(PyObject *) PyUnicode_TranslateCharmap( |
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1445 const Py_UNICODE *data, /* Unicode char buffer */ |
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1446 Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ |
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1447 PyObject *table, /* Translate table */ |
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1448 const char *errors /* error handling */ |
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1449 ); |
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1450 #endif |
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1451 |
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1452 #ifdef HAVE_MBCS |
| 12074 | 1453 |
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1454 /* --- MBCS codecs for Windows -------------------------------------------- */ |
| 12074 | 1455 |
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1456 PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCS( |
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1457 const char *string, /* MBCS encoded string */ |
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1458 Py_ssize_t length, /* size of string */ |
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1459 const char *errors /* error handling */ |
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1462 PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful( |
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1463 const char *string, /* MBCS encoded string */ |
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1464 Py_ssize_t length, /* size of string */ |
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1465 const char *errors, /* error handling */ |
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1466 Py_ssize_t *consumed /* bytes consumed */ |
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1469 PyAPI_FUNC(PyObject*) PyUnicode_DecodeCodePageStateful( |
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1470 int code_page, /* code page number */ |
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1471 const char *string, /* encoded string */ |
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1472 Py_ssize_t length, /* size of string */ |
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1473 const char *errors, /* error handling */ |
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1474 Py_ssize_t *consumed /* bytes consumed */ |
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1477 PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString( |
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1478 PyObject *unicode /* Unicode object */ |
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1481 #ifndef Py_LIMITED_API |
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1482 PyAPI_FUNC(PyObject*) PyUnicode_EncodeMBCS( |
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1483 const Py_UNICODE *data, /* Unicode char buffer */ |
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1484 Py_ssize_t length, /* number of Py_UNICODE chars to encode */ |
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1485 const char *errors /* error handling */ |
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1487 #endif |
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1489 PyAPI_FUNC(PyObject*) PyUnicode_EncodeCodePage( |
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1490 int code_page, /* code page number */ |
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1491 PyObject *unicode, /* Unicode object */ |
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1492 const char *errors /* error handling */ |
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1495 #endif /* HAVE_MBCS */ |
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1497 /* --- Decimal Encoder ---------------------------------------------------- */ |
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1499 /* Takes a Unicode string holding a decimal value and writes it into |
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1500 an output buffer using standard ASCII digit codes. |
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1502 The output buffer has to provide at least length+1 bytes of storage |
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1503 area. The output string is 0-terminated. |
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1505 The encoder converts whitespace to ' ', decimal characters to their |
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1506 corresponding ASCII digit and all other Latin-1 characters except |
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1507 \0 as-is. Characters outside this range (Unicode ordinals 1-256) |
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1508 are treated as errors. This includes embedded NULL bytes. |
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1510 Error handling is defined by the errors argument: |
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1512 NULL or "strict": raise a ValueError |
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1514 output buffer) |
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1515 "replace": replaces illegal characters with '?' |
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1516 |
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1517 Returns 0 on success, -1 on failure. |
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1518 |
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1519 */ |
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1520 |
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1521 #ifndef Py_LIMITED_API |
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1522 PyAPI_FUNC(int) PyUnicode_EncodeDecimal( |
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1523 Py_UNICODE *s, /* Unicode buffer */ |
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1524 Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ |
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1525 char *output, /* Output buffer; must have size >= length */ |
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1526 const char *errors /* error handling */ |
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1527 ); |
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1528 #endif |
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1529 |
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1530 /* Transforms code points that have decimal digit property to the |
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1531 corresponding ASCII digit code points. |
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1533 Returns a new Unicode string on success, NULL on failure. |
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1534 */ |
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1535 |
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1536 #ifndef Py_LIMITED_API |
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1537 PyAPI_FUNC(PyObject*) PyUnicode_TransformDecimalToASCII( |
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1538 Py_UNICODE *s, /* Unicode buffer */ |
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1539 Py_ssize_t length /* Number of Py_UNICODE chars to transform */ |
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1540 ); |
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1541 #endif |
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1542 |
| 72475 | 1543 /* Similar to PyUnicode_TransformDecimalToASCII(), but takes a PyUnicodeObject |
| 1544 as argument instead of a raw buffer and length. This function additionally | |
| 1545 transforms spaces to ASCII because this is what the callers in longobject, | |
| 1546 floatobject, and complexobject did anyways. */ | |
| 1547 | |
| 1548 #ifndef Py_LIMITED_API | |
| 1549 PyAPI_FUNC(PyObject*) _PyUnicode_TransformDecimalAndSpaceToASCII( | |
| 1550 PyObject *unicode /* Unicode object */ | |
| 1551 ); | |
| 1552 #endif | |
| 1553 | |
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1554 /* --- File system encoding ---------------------------------------------- */ |
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1555 |
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1556 /* ParseTuple converter: encode str objects to bytes using |
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1557 PyUnicode_EncodeFSDefault(); bytes objects are output as-is. */ |
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1558 |
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1559 PyAPI_FUNC(int) PyUnicode_FSConverter(PyObject*, void*); |
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1560 |
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1561 /* ParseTuple converter: decode bytes objects to unicode using |
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1562 PyUnicode_DecodeFSDefaultAndSize(); str objects are output as-is. */ |
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1563 |
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1564 PyAPI_FUNC(int) PyUnicode_FSDecoder(PyObject*, void*); |
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1565 |
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1566 /* Decode a null-terminated string using Py_FileSystemDefaultEncoding |
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1569 If Py_FileSystemDefaultEncoding is not set, fall back to the locale |
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1570 encoding. |
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1571 |
| 61601 | 1572 Use PyUnicode_DecodeFSDefaultAndSize() if the string length is known. |
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1573 */ |
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1574 |
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1575 PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefault( |
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1576 const char *s /* encoded string */ |
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1577 ); |
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1578 |
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1579 /* Decode a string using Py_FileSystemDefaultEncoding |
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1582 If Py_FileSystemDefaultEncoding is not set, fall back to the locale |
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1583 encoding. |
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1584 */ |
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1586 PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefaultAndSize( |
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1587 const char *s, /* encoded string */ |
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1588 Py_ssize_t size /* size */ |
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1589 ); |
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1590 |
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1591 /* Encode a Unicode object to Py_FileSystemDefaultEncoding with the |
| 61601 | 1592 "surrogateescape" error handler, and return bytes. |
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1594 If Py_FileSystemDefaultEncoding is not set, fall back to the locale |
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1595 encoding. |
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1596 */ |
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1598 PyAPI_FUNC(PyObject*) PyUnicode_EncodeFSDefault( |
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1599 PyObject *unicode |
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1602 /* --- Methods & Slots ---------------------------------------------------- |
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1604 These are capable of handling Unicode objects and strings on input |
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1605 (we refer to them as strings in the descriptions) and return |
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1606 Unicode objects or integers as appropriate. */ |
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1608 /* Concat two strings giving a new Unicode string. */ |
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1610 PyAPI_FUNC(PyObject*) PyUnicode_Concat( |
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1611 PyObject *left, /* Left string */ |
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1612 PyObject *right /* Right string */ |
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1615 /* Concat two strings and put the result in *pleft |
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1618 PyAPI_FUNC(void) PyUnicode_Append( |
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1623 /* Concat two strings, put the result in *pleft and drop the right object |
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1626 PyAPI_FUNC(void) PyUnicode_AppendAndDel( |
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1627 PyObject **pleft, /* Pointer to left string */ |
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1628 PyObject *right /* Right string */ |
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1631 /* Split a string giving a list of Unicode strings. |
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1633 If sep is NULL, splitting will be done at all whitespace |
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1634 substrings. Otherwise, splits occur at the given separator. |
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1636 At most maxsplit splits will be done. If negative, no limit is set. |
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1637 |
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1638 Separators are not included in the resulting list. |
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1640 */ |
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1641 |
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1642 PyAPI_FUNC(PyObject*) PyUnicode_Split( |
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1643 PyObject *s, /* String to split */ |
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1644 PyObject *sep, /* String separator */ |
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1645 Py_ssize_t maxsplit /* Maxsplit count */ |
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1646 ); |
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1647 |
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1648 /* Dito, but split at line breaks. |
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1650 CRLF is considered to be one line break. Line breaks are not |
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1651 included in the resulting list. */ |
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1653 PyAPI_FUNC(PyObject*) PyUnicode_Splitlines( |
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1654 PyObject *s, /* String to split */ |
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1655 int keepends /* If true, line end markers are included */ |
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1658 /* Partition a string using a given separator. */ |
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1659 |
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1660 PyAPI_FUNC(PyObject*) PyUnicode_Partition( |
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1661 PyObject *s, /* String to partition */ |
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1662 PyObject *sep /* String separator */ |
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1664 |
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1665 /* Partition a string using a given separator, searching from the end of the |
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1666 string. */ |
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1668 PyAPI_FUNC(PyObject*) PyUnicode_RPartition( |
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1669 PyObject *s, /* String to partition */ |
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1670 PyObject *sep /* String separator */ |
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1671 ); |
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1673 /* Split a string giving a list of Unicode strings. |
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1674 |
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1675 If sep is NULL, splitting will be done at all whitespace |
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1676 substrings. Otherwise, splits occur at the given separator. |
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1678 At most maxsplit splits will be done. But unlike PyUnicode_Split |
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1679 PyUnicode_RSplit splits from the end of the string. If negative, |
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1680 no limit is set. |
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1681 |
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1682 Separators are not included in the resulting list. |
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1684 */ |
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1685 |
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1686 PyAPI_FUNC(PyObject*) PyUnicode_RSplit( |
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1687 PyObject *s, /* String to split */ |
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1688 PyObject *sep, /* String separator */ |
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1689 Py_ssize_t maxsplit /* Maxsplit count */ |
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1692 /* Translate a string by applying a character mapping table to it and |
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1693 return the resulting Unicode object. |
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1695 The mapping table must map Unicode ordinal integers to Unicode |
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1696 ordinal integers or None (causing deletion of the character). |
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1698 Mapping tables may be dictionaries or sequences. Unmapped character |
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1699 ordinals (ones which cause a LookupError) are left untouched and |
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1700 are copied as-is. |
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1702 */ |
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1704 PyAPI_FUNC(PyObject *) PyUnicode_Translate( |
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1705 PyObject *str, /* String */ |
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1706 PyObject *table, /* Translate table */ |
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1707 const char *errors /* error handling */ |
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1710 /* Join a sequence of strings using the given separator and return |
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1711 the resulting Unicode string. */ |
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1713 PyAPI_FUNC(PyObject*) PyUnicode_Join( |
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1714 PyObject *separator, /* Separator string */ |
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1715 PyObject *seq /* Sequence object */ |
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1718 /* Return 1 if substr matches str[start:end] at the given tail end, 0 |
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1719 otherwise. */ |
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1720 |
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1721 PyAPI_FUNC(Py_ssize_t) PyUnicode_Tailmatch( |
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1723 PyObject *substr, /* Prefix or Suffix string */ |
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1724 Py_ssize_t start, /* Start index */ |
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1725 Py_ssize_t end, /* Stop index */ |
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1726 int direction /* Tail end: -1 prefix, +1 suffix */ |
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1729 /* Return the first position of substr in str[start:end] using the |
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1731 an error occurred and an exception is set. */ |
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1733 PyAPI_FUNC(Py_ssize_t) PyUnicode_Find( |
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1734 PyObject *str, /* String */ |
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1735 PyObject *substr, /* Substring to find */ |
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1736 Py_ssize_t start, /* Start index */ |
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1737 Py_ssize_t end, /* Stop index */ |
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1738 int direction /* Find direction: +1 forward, -1 backward */ |
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1739 ); |
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1740 |
| 72475 | 1741 /* Like PyUnicode_Find, but search for single character only. */ |
| 1742 PyAPI_FUNC(Py_ssize_t) PyUnicode_FindChar( | |
| 1743 PyObject *str, | |
| 1744 Py_UCS4 ch, | |
| 1745 Py_ssize_t start, | |
| 1746 Py_ssize_t end, | |
| 1747 int direction | |
| 1748 ); | |
| 1749 | |
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1750 /* Count the number of occurrences of substr in str[start:end]. */ |
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1751 |
|
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|
1752 PyAPI_FUNC(Py_ssize_t) PyUnicode_Count( |
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1753 PyObject *str, /* String */ |
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1754 PyObject *substr, /* Substring to count */ |
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1755 Py_ssize_t start, /* Start index */ |
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1756 Py_ssize_t end /* Stop index */ |
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1757 ); |
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1758 |
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1759 /* Replace at most maxcount occurrences of substr in str with replstr |
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1760 and return the resulting Unicode object. */ |
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1761 |
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1762 PyAPI_FUNC(PyObject *) PyUnicode_Replace( |
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1763 PyObject *str, /* String */ |
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1764 PyObject *substr, /* Substring to find */ |
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1765 PyObject *replstr, /* Substring to replace */ |
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1766 Py_ssize_t maxcount /* Max. number of replacements to apply; |
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1767 -1 = all */ |
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1768 ); |
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1769 |
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1770 /* Compare two strings and return -1, 0, 1 for less than, equal, |
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1771 greater than resp. */ |
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1772 |
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1773 PyAPI_FUNC(int) PyUnicode_Compare( |
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1774 PyObject *left, /* Left string */ |
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1775 PyObject *right /* Right string */ |
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1776 ); |
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1777 |
|
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1778 PyAPI_FUNC(int) PyUnicode_CompareWithASCIIString( |
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1779 PyObject *left, |
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1780 const char *right /* ASCII-encoded string */ |
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1781 ); |
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1782 |
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1783 /* Rich compare two strings and return one of the following: |
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1784 |
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1785 - NULL in case an exception was raised |
|
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1786 - Py_True or Py_False for successfully comparisons |
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1787 - Py_NotImplemented in case the type combination is unknown |
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1788 |
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1789 Note that Py_EQ and Py_NE comparisons can cause a UnicodeWarning in |
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1790 case the conversion of the arguments to Unicode fails with a |
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1791 UnicodeDecodeError. |
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1792 |
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1793 Possible values for op: |
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1794 |
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1795 Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE |
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1796 |
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1797 */ |
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1798 |
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1799 PyAPI_FUNC(PyObject *) PyUnicode_RichCompare( |
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1800 PyObject *left, /* Left string */ |
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1801 PyObject *right, /* Right string */ |
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1802 int op /* Operation: Py_EQ, Py_NE, Py_GT, etc. */ |
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1803 ); |
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1804 |
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1805 /* Apply a argument tuple or dictionary to a format string and return |
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1806 the resulting Unicode string. */ |
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1807 |
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1808 PyAPI_FUNC(PyObject *) PyUnicode_Format( |
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1809 PyObject *format, /* Format string */ |
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1810 PyObject *args /* Argument tuple or dictionary */ |
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1812 |
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1813 /* Checks whether element is contained in container and return 1/0 |
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1814 accordingly. |
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1815 |
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1816 element has to coerce to an one element Unicode string. -1 is |
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1817 returned in case of an error. */ |
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1818 |
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1819 PyAPI_FUNC(int) PyUnicode_Contains( |
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1820 PyObject *container, /* Container string */ |
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1821 PyObject *element /* Element string */ |
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1824 /* Checks whether argument is a valid identifier. */ |
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1826 PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s); |
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1828 #ifndef Py_LIMITED_API |
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1829 /* Externally visible for str.strip(unicode) */ |
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1830 PyAPI_FUNC(PyObject *) _PyUnicode_XStrip( |
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1831 PyUnicodeObject *self, |
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1832 int striptype, |
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1833 PyObject *sepobj |
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1834 ); |
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1835 #endif |
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1837 /* Using the current locale, insert the thousands grouping |
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1838 into the string pointed to by buffer. For the argument descriptions, |
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1839 see Objects/stringlib/localeutil.h */ |
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1841 #ifndef Py_LIMITED_API |
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1842 PyAPI_FUNC(Py_ssize_t) _PyUnicode_InsertThousandsGroupingLocale(Py_UNICODE *buffer, |
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1843 Py_ssize_t n_buffer, |
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1844 Py_UNICODE *digits, |
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1845 Py_ssize_t n_digits, |
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1846 Py_ssize_t min_width); |
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1847 #endif |
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1849 /* Using explicit passed-in values, insert the thousands grouping |
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1850 into the string pointed to by buffer. For the argument descriptions, |
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1851 see Objects/stringlib/localeutil.h */ |
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1852 #ifndef Py_LIMITED_API |
| 72475 | 1853 PyAPI_FUNC(Py_ssize_t) _PyUnicode_InsertThousandsGrouping( |
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1854 PyObject *unicode, |
| 72475 | 1855 int kind, |
| 1856 void *buffer, | |
| 1857 Py_ssize_t n_buffer, | |
| 1858 void *digits, | |
| 1859 Py_ssize_t n_digits, | |
| 1860 Py_ssize_t min_width, | |
| 1861 const char *grouping, | |
| 1862 const char *thousands_sep); | |
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1863 #endif |
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1864 /* === Characters Type APIs =============================================== */ |
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1865 |
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1866 /* Helper array used by Py_UNICODE_ISSPACE(). */ |
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1867 |
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1868 #ifndef Py_LIMITED_API |
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1869 PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[]; |
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1870 |
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1871 /* These should not be used directly. Use the Py_UNICODE_IS* and |
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1872 Py_UNICODE_TO* macros instead. |
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1873 |
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1874 These APIs are implemented in Objects/unicodectype.c. |
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1876 */ |
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1877 |
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1878 PyAPI_FUNC(int) _PyUnicode_IsLowercase( |
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1879 Py_UCS4 ch /* Unicode character */ |
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1880 ); |
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1881 |
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1882 PyAPI_FUNC(int) _PyUnicode_IsUppercase( |
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1883 Py_UCS4 ch /* Unicode character */ |
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1884 ); |
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1885 |
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1886 PyAPI_FUNC(int) _PyUnicode_IsTitlecase( |
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1887 Py_UCS4 ch /* Unicode character */ |
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1888 ); |
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1889 |
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1890 PyAPI_FUNC(int) _PyUnicode_IsXidStart( |
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1891 Py_UCS4 ch /* Unicode character */ |
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1892 ); |
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1893 |
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1894 PyAPI_FUNC(int) _PyUnicode_IsXidContinue( |
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1895 Py_UCS4 ch /* Unicode character */ |
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1896 ); |
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1897 |
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1898 PyAPI_FUNC(int) _PyUnicode_IsWhitespace( |
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1899 const Py_UCS4 ch /* Unicode character */ |
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1900 ); |
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1901 |
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1902 PyAPI_FUNC(int) _PyUnicode_IsLinebreak( |
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1903 const Py_UCS4 ch /* Unicode character */ |
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1904 ); |
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1905 |
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1906 PyAPI_FUNC(Py_UCS4) _PyUnicode_ToLowercase( |
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1907 Py_UCS4 ch /* Unicode character */ |
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1908 ); |
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1909 |
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1910 PyAPI_FUNC(Py_UCS4) _PyUnicode_ToUppercase( |
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1911 Py_UCS4 ch /* Unicode character */ |
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1912 ); |
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1913 |
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1914 PyAPI_FUNC(Py_UCS4) _PyUnicode_ToTitlecase( |
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1915 Py_UCS4 ch /* Unicode character */ |
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1916 ); |
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1917 |
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1918 PyAPI_FUNC(int) _PyUnicode_ToDecimalDigit( |
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1919 Py_UCS4 ch /* Unicode character */ |
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1920 ); |
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1921 |
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1922 PyAPI_FUNC(int) _PyUnicode_ToDigit( |
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1923 Py_UCS4 ch /* Unicode character */ |
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1924 ); |
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1925 |
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1926 PyAPI_FUNC(double) _PyUnicode_ToNumeric( |
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1927 Py_UCS4 ch /* Unicode character */ |
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1928 ); |
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1929 |
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1930 PyAPI_FUNC(int) _PyUnicode_IsDecimalDigit( |
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1931 Py_UCS4 ch /* Unicode character */ |
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1932 ); |
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1933 |
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1934 PyAPI_FUNC(int) _PyUnicode_IsDigit( |
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1935 Py_UCS4 ch /* Unicode character */ |
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1936 ); |
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1937 |
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1938 PyAPI_FUNC(int) _PyUnicode_IsNumeric( |
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1939 Py_UCS4 ch /* Unicode character */ |
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1940 ); |
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1941 |
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1942 PyAPI_FUNC(int) _PyUnicode_IsPrintable( |
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1943 Py_UCS4 ch /* Unicode character */ |
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1944 ); |
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1945 |
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1946 PyAPI_FUNC(int) _PyUnicode_IsAlpha( |
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1947 Py_UCS4 ch /* Unicode character */ |
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1948 ); |
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1949 |
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Issue #9425: Create Py_UNICODE_strncmp() function
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1950 PyAPI_FUNC(size_t) Py_UNICODE_strlen( |
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1951 const Py_UNICODE *u |
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1952 ); |
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1953 |
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1954 PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strcpy( |
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1955 Py_UNICODE *s1, |
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1956 const Py_UNICODE *s2); |
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1957 |
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1958 PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strcat( |
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1959 Py_UNICODE *s1, const Py_UNICODE *s2); |
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1960 |
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1961 PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strncpy( |
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1962 Py_UNICODE *s1, |
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1963 const Py_UNICODE *s2, |
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1964 size_t n); |
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1965 |
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1966 PyAPI_FUNC(int) Py_UNICODE_strcmp( |
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1967 const Py_UNICODE *s1, |
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1968 const Py_UNICODE *s2 |
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1969 ); |
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1970 |
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1971 PyAPI_FUNC(int) Py_UNICODE_strncmp( |
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1972 const Py_UNICODE *s1, |
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1973 const Py_UNICODE *s2, |
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1974 size_t n |
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1975 ); |
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1976 |
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1977 PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strchr( |
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1978 const Py_UNICODE *s, |
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1979 Py_UNICODE c |
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1980 ); |
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1981 |
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1982 PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strrchr( |
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1983 const Py_UNICODE *s, |
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1984 Py_UNICODE c |
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1985 ); |
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1986 |
| 72475 | 1987 PyAPI_FUNC(size_t) Py_UCS4_strlen( |
| 1988 const Py_UCS4 *u | |
| 1989 ); | |
| 1990 | |
| 1991 PyAPI_FUNC(Py_UCS4*) Py_UCS4_strcpy( | |
| 1992 Py_UCS4 *s1, | |
| 1993 const Py_UCS4 *s2); | |
| 1994 | |
| 1995 PyAPI_FUNC(Py_UCS4*) Py_UCS4_strcat( | |
| 1996 Py_UCS4 *s1, const Py_UCS4 *s2); | |
| 1997 | |
| 1998 PyAPI_FUNC(Py_UCS4*) Py_UCS4_strncpy( | |
| 1999 Py_UCS4 *s1, | |
| 2000 const Py_UCS4 *s2, | |
| 2001 size_t n); | |
| 2002 | |
| 2003 PyAPI_FUNC(int) Py_UCS4_strcmp( | |
| 2004 const Py_UCS4 *s1, | |
| 2005 const Py_UCS4 *s2 | |
| 2006 ); | |
| 2007 | |
| 2008 PyAPI_FUNC(int) Py_UCS4_strncmp( | |
| 2009 const Py_UCS4 *s1, | |
| 2010 const Py_UCS4 *s2, | |
| 2011 size_t n | |
| 2012 ); | |
| 2013 | |
| 2014 PyAPI_FUNC(Py_UCS4*) Py_UCS4_strchr( | |
| 2015 const Py_UCS4 *s, | |
| 2016 Py_UCS4 c | |
| 2017 ); | |
| 2018 | |
| 2019 PyAPI_FUNC(Py_UCS4*) Py_UCS4_strrchr( | |
| 2020 const Py_UCS4 *s, | |
| 2021 Py_UCS4 c | |
| 2022 ); | |
| 2023 | |
|
64373
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|
2024 /* Create a copy of a unicode string ending with a nul character. Return NULL |
|
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|
2025 and raise a MemoryError exception on memory allocation failure, otherwise |
|
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|
2026 return a new allocated buffer (use PyMem_Free() to free the buffer). */ |
|
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|
2027 |
|
64397
98f337a6957c
Rename PyUnicode_strdup() to PyUnicode_AsUnicodeCopy()
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|
2028 PyAPI_FUNC(Py_UNICODE*) PyUnicode_AsUnicodeCopy( |
|
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|
2029 PyObject *unicode |
|
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2030 ); |
|
66664
62b61abd02b8
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2031 #endif /* Py_LIMITED_API */ |
|
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2032 |
|
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|
2033 #if defined(Py_DEBUG) && !defined(Py_LIMITED_API) |
|
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|
2034 /* FIXME: use PyObject* type for op */ |
|
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|
2035 PyAPI_FUNC(int) _PyUnicode_CheckConsistency( |
|
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|
2036 void *op, |
|
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|
2037 int check_content); |
|
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|
2038 #endif |
|
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2039 |
|
72835
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|
2040 /********************* String Literals ****************************************/ |
|
5e33219492bc
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|
2041 /* This structure helps managing static strings. The basic usage goes like this: |
|
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|
2042 Instead of doing |
|
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2043 |
|
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2044 r = PyObject_CallMethod(o, "foo", "args", ...); |
|
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2045 |
|
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2046 do |
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2047 |
|
72925
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|
2048 _Py_IDENTIFIER(foo); |
|
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|
2049 ... |
|
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|
2050 r = _PyObject_CallMethodId(o, &PyId_foo, "args", ...); |
|
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|
2051 |
|
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|
2052 PyId_foo is a static variable, either on block level or file level. On first |
|
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Add API for static strings, primarily good for identifiers.
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|
2053 usage, the string "foo" is interned, and the structures are linked. On interpreter |
|
5e33219492bc
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|
2054 shutdown, all strings are released (through _PyUnicode_ClearStaticStrings). |
|
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|
2055 |
|
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|
2056 Alternatively, _Py_static_string allows to choose the variable name. |
|
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|
2057 _PyUnicode_FromId returns a new reference to the interned string. |
|
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|
2058 _PyObject_{Get,Set,Has}AttrId are __getattr__ versions using _Py_Identifier*. |
|
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|
2059 */ |
|
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|
2060 typedef struct _Py_Identifier { |
|
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|
2061 struct _Py_Identifier *next; |
|
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|
2062 const char* string; |
|
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|
2063 PyObject *object; |
|
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|
2064 } _Py_Identifier; |
|
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diff
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|
2065 |
|
72836
57ed1e24f8f3
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Martin v. Löwis <martin@v.loewis.de>
parents:
72835
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|
2066 #define _Py_static_string(varname, value) static _Py_Identifier varname = { 0, value, 0 } |
|
72925
7109f31300fb
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|
2067 #define _Py_IDENTIFIER(varname) _Py_static_string(PyId_##varname, #varname) |
|
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|
2068 |
|
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|
2069 /* Return an interned Unicode object for an Identifier; may fail if there is no memory.*/ |
|
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|
2070 PyAPI_FUNC(PyObject*) _PyUnicode_FromId(_Py_Identifier*); |
|
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|
2071 /* Clear all static strings. */ |
|
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|
2072 PyAPI_FUNC(void) _PyUnicode_ClearStaticStrings(void); |
|
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|
2073 |
|
11962
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Unicode implementation by Marc-Andre Lemburg based on original code by Fredrik Lundh.
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|
2074 #ifdef __cplusplus |
|
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|
2075 } |
|
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|
2076 #endif |
|
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|
2077 #endif /* !Py_UNICODEOBJECT_H */ |