diff options
Diffstat (limited to 'Include/unicodeobject.h')
-rw-r--r-- | Include/unicodeobject.h | 1038 |
1 files changed, 709 insertions, 329 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h index 4dea494..7781f96 100644 --- a/Include/unicodeobject.h +++ b/Include/unicodeobject.h @@ -7,8 +7,7 @@ Unicode implementation based on original code by Fredrik Lundh, modified by Marc-Andre Lemburg (mal@lemburg.com) according to the -Unicode Integration Proposal. (See -http://www.egenix.com/files/python/unicode-proposal.txt). +Unicode Integration Proposal (see file Misc/unicode.txt). Copyright (c) Corporation for National Research Initiatives. @@ -61,31 +60,51 @@ Copyright (c) Corporation for National Research Initiatives. /* --- Internal Unicode Format -------------------------------------------- */ -/* Python 3.x requires unicode */ -#define Py_USING_UNICODE +#ifndef Py_USING_UNICODE -#ifndef SIZEOF_WCHAR_T -#error Must define SIZEOF_WCHAR_T -#endif +#define PyUnicode_Check(op) 0 +#define PyUnicode_CheckExact(op) 0 + +#else -#define Py_UNICODE_SIZE SIZEOF_WCHAR_T +/* FIXME: MvL's new implementation assumes that Py_UNICODE_SIZE is + properly set, but the default rules below doesn't set it. I'll + sort this out some other day -- fredrik@pythonware.com */ -/* If wchar_t can be used for UCS-4 storage, set Py_UNICODE_WIDE. - Otherwise, Unicode strings are stored as UCS-2 (with limited support - for UTF-16) */ +#ifndef Py_UNICODE_SIZE +#error Must define Py_UNICODE_SIZE +#endif + +/* Setting Py_UNICODE_WIDE enables UCS-4 storage. Otherwise, Unicode + strings are stored as UCS-2 (with limited support for UTF-16) */ #if Py_UNICODE_SIZE >= 4 #define Py_UNICODE_WIDE #endif -/* Set these flags if the platform has "wchar.h" and the +/* Set these flags if the platform has "wchar.h", "wctype.h" and the wchar_t type is a 16-bit unsigned type */ /* #define HAVE_WCHAR_H */ /* #define HAVE_USABLE_WCHAR_T */ +/* Defaults for various platforms */ +#ifndef PY_UNICODE_TYPE + +/* Windows has a usable wchar_t type (unless we're using UCS-4) */ +# if defined(MS_WIN32) && Py_UNICODE_SIZE == 2 +# define HAVE_USABLE_WCHAR_T +# define PY_UNICODE_TYPE wchar_t +# endif + +# if defined(Py_UNICODE_WIDE) +# define PY_UNICODE_TYPE Py_UCS4 +# endif + +#endif + /* If the compiler provides a wchar_t type we try to support it - through the interface functions PyUnicode_FromWideChar(), - PyUnicode_AsWideChar() and PyUnicode_AsWideCharString(). */ + through the interface functions PyUnicode_FromWideChar() and + PyUnicode_AsWideChar(). */ #ifdef HAVE_USABLE_WCHAR_T # ifndef HAVE_WCHAR_H @@ -94,27 +113,331 @@ Copyright (c) Corporation for National Research Initiatives. #endif #ifdef HAVE_WCHAR_H +/* Work around a cosmetic bug in BSDI 4.x wchar.h; thanks to Thomas Wouters */ +# ifdef _HAVE_BSDI +# include <time.h> +# endif # include <wchar.h> #endif -/* Py_UCS4 and Py_UCS2 are typedefs for the respective - unicode representations. */ -typedef uint32_t Py_UCS4; -typedef uint16_t Py_UCS2; -typedef uint8_t Py_UCS1; +/* + * Use this typedef when you need to represent a UTF-16 surrogate pair + * as single unsigned integer. + */ +#if SIZEOF_INT >= 4 +typedef unsigned int Py_UCS4; +#elif SIZEOF_LONG >= 4 +typedef unsigned long Py_UCS4; +#endif + +/* Py_UNICODE is the native Unicode storage format (code unit) used by + Python and represents a single Unicode element in the Unicode + type. */ + +typedef PY_UNICODE_TYPE Py_UNICODE; + +/* --- UCS-2/UCS-4 Name Mangling ------------------------------------------ */ + +/* Unicode API names are mangled to assure that UCS-2 and UCS-4 builds + produce different external names and thus cause import errors in + case Python interpreters and extensions with mixed compiled in + Unicode width assumptions are combined. */ + +#ifndef Py_UNICODE_WIDE + +# define PyUnicode_AsASCIIString PyUnicodeUCS2_AsASCIIString +# define PyUnicode_AsCharmapString PyUnicodeUCS2_AsCharmapString +# define PyUnicode_AsEncodedObject PyUnicodeUCS2_AsEncodedObject +# define PyUnicode_AsEncodedString PyUnicodeUCS2_AsEncodedString +# define PyUnicode_AsLatin1String PyUnicodeUCS2_AsLatin1String +# define PyUnicode_AsRawUnicodeEscapeString PyUnicodeUCS2_AsRawUnicodeEscapeString +# define PyUnicode_AsUTF32String PyUnicodeUCS2_AsUTF32String +# define PyUnicode_AsUTF16String PyUnicodeUCS2_AsUTF16String +# define PyUnicode_AsUTF8String PyUnicodeUCS2_AsUTF8String +# define PyUnicode_AsUnicode PyUnicodeUCS2_AsUnicode +# define PyUnicode_AsUnicodeEscapeString PyUnicodeUCS2_AsUnicodeEscapeString +# define PyUnicode_AsWideChar PyUnicodeUCS2_AsWideChar +# define PyUnicode_ClearFreeList PyUnicodeUCS2_ClearFreelist +# define PyUnicode_Compare PyUnicodeUCS2_Compare +# define PyUnicode_Concat PyUnicodeUCS2_Concat +# define PyUnicode_Contains PyUnicodeUCS2_Contains +# define PyUnicode_Count PyUnicodeUCS2_Count +# define PyUnicode_Decode PyUnicodeUCS2_Decode +# define PyUnicode_DecodeASCII PyUnicodeUCS2_DecodeASCII +# define PyUnicode_DecodeCharmap PyUnicodeUCS2_DecodeCharmap +# define PyUnicode_DecodeLatin1 PyUnicodeUCS2_DecodeLatin1 +# define PyUnicode_DecodeRawUnicodeEscape PyUnicodeUCS2_DecodeRawUnicodeEscape +# define PyUnicode_DecodeUTF32 PyUnicodeUCS2_DecodeUTF32 +# define PyUnicode_DecodeUTF32Stateful PyUnicodeUCS2_DecodeUTF32Stateful +# define PyUnicode_DecodeUTF16 PyUnicodeUCS2_DecodeUTF16 +# define PyUnicode_DecodeUTF16Stateful PyUnicodeUCS2_DecodeUTF16Stateful +# define PyUnicode_DecodeUTF8 PyUnicodeUCS2_DecodeUTF8 +# define PyUnicode_DecodeUTF8Stateful PyUnicodeUCS2_DecodeUTF8Stateful +# define PyUnicode_DecodeUnicodeEscape PyUnicodeUCS2_DecodeUnicodeEscape +# define PyUnicode_Encode PyUnicodeUCS2_Encode +# define PyUnicode_EncodeASCII PyUnicodeUCS2_EncodeASCII +# define PyUnicode_EncodeCharmap PyUnicodeUCS2_EncodeCharmap +# define PyUnicode_EncodeDecimal PyUnicodeUCS2_EncodeDecimal +# define PyUnicode_EncodeLatin1 PyUnicodeUCS2_EncodeLatin1 +# define PyUnicode_EncodeRawUnicodeEscape PyUnicodeUCS2_EncodeRawUnicodeEscape +# define PyUnicode_EncodeUTF32 PyUnicodeUCS2_EncodeUTF32 +# define PyUnicode_EncodeUTF16 PyUnicodeUCS2_EncodeUTF16 +# define PyUnicode_EncodeUTF8 PyUnicodeUCS2_EncodeUTF8 +# define PyUnicode_EncodeUnicodeEscape PyUnicodeUCS2_EncodeUnicodeEscape +# define PyUnicode_Find PyUnicodeUCS2_Find +# define PyUnicode_Format PyUnicodeUCS2_Format +# define PyUnicode_FromEncodedObject PyUnicodeUCS2_FromEncodedObject +# define PyUnicode_FromFormat PyUnicodeUCS2_FromFormat +# define PyUnicode_FromFormatV PyUnicodeUCS2_FromFormatV +# define PyUnicode_FromObject PyUnicodeUCS2_FromObject +# define PyUnicode_FromOrdinal PyUnicodeUCS2_FromOrdinal +# define PyUnicode_FromString PyUnicodeUCS2_FromString +# define PyUnicode_FromStringAndSize PyUnicodeUCS2_FromStringAndSize +# define PyUnicode_FromUnicode PyUnicodeUCS2_FromUnicode +# define PyUnicode_FromWideChar PyUnicodeUCS2_FromWideChar +# define PyUnicode_GetDefaultEncoding PyUnicodeUCS2_GetDefaultEncoding +# define PyUnicode_GetMax PyUnicodeUCS2_GetMax +# define PyUnicode_GetSize PyUnicodeUCS2_GetSize +# define PyUnicode_Join PyUnicodeUCS2_Join +# define PyUnicode_Partition PyUnicodeUCS2_Partition +# define PyUnicode_RPartition PyUnicodeUCS2_RPartition +# define PyUnicode_RSplit PyUnicodeUCS2_RSplit +# define PyUnicode_Replace PyUnicodeUCS2_Replace +# define PyUnicode_Resize PyUnicodeUCS2_Resize +# define PyUnicode_RichCompare PyUnicodeUCS2_RichCompare +# define PyUnicode_SetDefaultEncoding PyUnicodeUCS2_SetDefaultEncoding +# define PyUnicode_Split PyUnicodeUCS2_Split +# define PyUnicode_Splitlines PyUnicodeUCS2_Splitlines +# define PyUnicode_Tailmatch PyUnicodeUCS2_Tailmatch +# define PyUnicode_Translate PyUnicodeUCS2_Translate +# define PyUnicode_TranslateCharmap PyUnicodeUCS2_TranslateCharmap +# define _PyUnicode_AsDefaultEncodedString _PyUnicodeUCS2_AsDefaultEncodedString +# define _PyUnicode_Fini _PyUnicodeUCS2_Fini +# define _PyUnicode_Init _PyUnicodeUCS2_Init +# define _PyUnicode_IsAlpha _PyUnicodeUCS2_IsAlpha +# define _PyUnicode_IsDecimalDigit _PyUnicodeUCS2_IsDecimalDigit +# define _PyUnicode_IsDigit _PyUnicodeUCS2_IsDigit +# define _PyUnicode_IsLinebreak _PyUnicodeUCS2_IsLinebreak +# define _PyUnicode_IsLowercase _PyUnicodeUCS2_IsLowercase +# define _PyUnicode_IsNumeric _PyUnicodeUCS2_IsNumeric +# define _PyUnicode_IsTitlecase _PyUnicodeUCS2_IsTitlecase +# define _PyUnicode_IsUppercase _PyUnicodeUCS2_IsUppercase +# define _PyUnicode_IsWhitespace _PyUnicodeUCS2_IsWhitespace +# define _PyUnicode_ToDecimalDigit _PyUnicodeUCS2_ToDecimalDigit +# define _PyUnicode_ToDigit _PyUnicodeUCS2_ToDigit +# define _PyUnicode_ToLowercase _PyUnicodeUCS2_ToLowercase +# define _PyUnicode_ToNumeric _PyUnicodeUCS2_ToNumeric +# define _PyUnicode_ToTitlecase _PyUnicodeUCS2_ToTitlecase +# define _PyUnicode_ToUppercase _PyUnicodeUCS2_ToUppercase + +#else + +# define PyUnicode_AsASCIIString PyUnicodeUCS4_AsASCIIString +# define PyUnicode_AsCharmapString PyUnicodeUCS4_AsCharmapString +# define PyUnicode_AsEncodedObject PyUnicodeUCS4_AsEncodedObject +# define PyUnicode_AsEncodedString PyUnicodeUCS4_AsEncodedString +# define PyUnicode_AsLatin1String PyUnicodeUCS4_AsLatin1String +# define PyUnicode_AsRawUnicodeEscapeString PyUnicodeUCS4_AsRawUnicodeEscapeString +# define PyUnicode_AsUTF32String PyUnicodeUCS4_AsUTF32String +# define PyUnicode_AsUTF16String PyUnicodeUCS4_AsUTF16String +# define PyUnicode_AsUTF8String PyUnicodeUCS4_AsUTF8String +# define PyUnicode_AsUnicode PyUnicodeUCS4_AsUnicode +# define PyUnicode_AsUnicodeEscapeString PyUnicodeUCS4_AsUnicodeEscapeString +# define PyUnicode_AsWideChar PyUnicodeUCS4_AsWideChar +# define PyUnicode_ClearFreeList PyUnicodeUCS4_ClearFreelist +# define PyUnicode_Compare PyUnicodeUCS4_Compare +# define PyUnicode_Concat PyUnicodeUCS4_Concat +# define PyUnicode_Contains PyUnicodeUCS4_Contains +# define PyUnicode_Count PyUnicodeUCS4_Count +# define PyUnicode_Decode PyUnicodeUCS4_Decode +# define PyUnicode_DecodeASCII PyUnicodeUCS4_DecodeASCII +# define PyUnicode_DecodeCharmap PyUnicodeUCS4_DecodeCharmap +# define PyUnicode_DecodeLatin1 PyUnicodeUCS4_DecodeLatin1 +# define PyUnicode_DecodeRawUnicodeEscape PyUnicodeUCS4_DecodeRawUnicodeEscape +# define PyUnicode_DecodeUTF32 PyUnicodeUCS4_DecodeUTF32 +# define PyUnicode_DecodeUTF32Stateful PyUnicodeUCS4_DecodeUTF32Stateful +# define PyUnicode_DecodeUTF16 PyUnicodeUCS4_DecodeUTF16 +# define PyUnicode_DecodeUTF16Stateful PyUnicodeUCS4_DecodeUTF16Stateful +# define PyUnicode_DecodeUTF8 PyUnicodeUCS4_DecodeUTF8 +# define PyUnicode_DecodeUTF8Stateful PyUnicodeUCS4_DecodeUTF8Stateful +# define PyUnicode_DecodeUnicodeEscape PyUnicodeUCS4_DecodeUnicodeEscape +# define PyUnicode_Encode PyUnicodeUCS4_Encode +# define PyUnicode_EncodeASCII PyUnicodeUCS4_EncodeASCII +# define PyUnicode_EncodeCharmap PyUnicodeUCS4_EncodeCharmap +# define PyUnicode_EncodeDecimal PyUnicodeUCS4_EncodeDecimal +# define PyUnicode_EncodeLatin1 PyUnicodeUCS4_EncodeLatin1 +# define PyUnicode_EncodeRawUnicodeEscape PyUnicodeUCS4_EncodeRawUnicodeEscape +# define PyUnicode_EncodeUTF32 PyUnicodeUCS4_EncodeUTF32 +# define PyUnicode_EncodeUTF16 PyUnicodeUCS4_EncodeUTF16 +# define PyUnicode_EncodeUTF8 PyUnicodeUCS4_EncodeUTF8 +# define PyUnicode_EncodeUnicodeEscape PyUnicodeUCS4_EncodeUnicodeEscape +# define PyUnicode_Find PyUnicodeUCS4_Find +# define PyUnicode_Format PyUnicodeUCS4_Format +# define PyUnicode_FromEncodedObject PyUnicodeUCS4_FromEncodedObject +# define PyUnicode_FromFormat PyUnicodeUCS4_FromFormat +# define PyUnicode_FromFormatV PyUnicodeUCS4_FromFormatV +# define PyUnicode_FromObject PyUnicodeUCS4_FromObject +# define PyUnicode_FromOrdinal PyUnicodeUCS4_FromOrdinal +# define PyUnicode_FromString PyUnicodeUCS4_FromString +# define PyUnicode_FromStringAndSize PyUnicodeUCS4_FromStringAndSize +# define PyUnicode_FromUnicode PyUnicodeUCS4_FromUnicode +# define PyUnicode_FromWideChar PyUnicodeUCS4_FromWideChar +# define PyUnicode_GetDefaultEncoding PyUnicodeUCS4_GetDefaultEncoding +# define PyUnicode_GetMax PyUnicodeUCS4_GetMax +# define PyUnicode_GetSize PyUnicodeUCS4_GetSize +# define PyUnicode_Join PyUnicodeUCS4_Join +# define PyUnicode_Partition PyUnicodeUCS4_Partition +# define PyUnicode_RPartition PyUnicodeUCS4_RPartition +# define PyUnicode_RSplit PyUnicodeUCS4_RSplit +# define PyUnicode_Replace PyUnicodeUCS4_Replace +# define PyUnicode_Resize PyUnicodeUCS4_Resize +# define PyUnicode_RichCompare PyUnicodeUCS4_RichCompare +# define PyUnicode_SetDefaultEncoding PyUnicodeUCS4_SetDefaultEncoding +# define PyUnicode_Split PyUnicodeUCS4_Split +# define PyUnicode_Splitlines PyUnicodeUCS4_Splitlines +# define PyUnicode_Tailmatch PyUnicodeUCS4_Tailmatch +# define PyUnicode_Translate PyUnicodeUCS4_Translate +# define PyUnicode_TranslateCharmap PyUnicodeUCS4_TranslateCharmap +# define _PyUnicode_AsDefaultEncodedString _PyUnicodeUCS4_AsDefaultEncodedString +# define _PyUnicode_Fini _PyUnicodeUCS4_Fini +# define _PyUnicode_Init _PyUnicodeUCS4_Init +# define _PyUnicode_IsAlpha _PyUnicodeUCS4_IsAlpha +# define _PyUnicode_IsDecimalDigit _PyUnicodeUCS4_IsDecimalDigit +# define _PyUnicode_IsDigit _PyUnicodeUCS4_IsDigit +# define _PyUnicode_IsLinebreak _PyUnicodeUCS4_IsLinebreak +# define _PyUnicode_IsLowercase _PyUnicodeUCS4_IsLowercase +# define _PyUnicode_IsNumeric _PyUnicodeUCS4_IsNumeric +# define _PyUnicode_IsTitlecase _PyUnicodeUCS4_IsTitlecase +# define _PyUnicode_IsUppercase _PyUnicodeUCS4_IsUppercase +# define _PyUnicode_IsWhitespace _PyUnicodeUCS4_IsWhitespace +# define _PyUnicode_ToDecimalDigit _PyUnicodeUCS4_ToDecimalDigit +# define _PyUnicode_ToDigit _PyUnicodeUCS4_ToDigit +# define _PyUnicode_ToLowercase _PyUnicodeUCS4_ToLowercase +# define _PyUnicode_ToNumeric _PyUnicodeUCS4_ToNumeric +# define _PyUnicode_ToTitlecase _PyUnicodeUCS4_ToTitlecase +# define _PyUnicode_ToUppercase _PyUnicodeUCS4_ToUppercase + + +#endif + +/* --- Internal Unicode Operations ---------------------------------------- */ + +/* If you want Python to use the compiler's wctype.h functions instead + of the ones supplied with Python, define WANT_WCTYPE_FUNCTIONS or + configure Python using --with-wctype-functions. This reduces the + interpreter's code size. */ + +#if defined(HAVE_USABLE_WCHAR_T) && defined(WANT_WCTYPE_FUNCTIONS) + +#include <wctype.h> + +#define Py_UNICODE_ISSPACE(ch) iswspace(ch) + +#define Py_UNICODE_ISLOWER(ch) iswlower(ch) +#define Py_UNICODE_ISUPPER(ch) iswupper(ch) +#define Py_UNICODE_ISTITLE(ch) _PyUnicode_IsTitlecase(ch) +#define Py_UNICODE_ISLINEBREAK(ch) _PyUnicode_IsLinebreak(ch) + +#define Py_UNICODE_TOLOWER(ch) towlower(ch) +#define Py_UNICODE_TOUPPER(ch) towupper(ch) +#define Py_UNICODE_TOTITLE(ch) _PyUnicode_ToTitlecase(ch) + +#define Py_UNICODE_ISDECIMAL(ch) _PyUnicode_IsDecimalDigit(ch) +#define Py_UNICODE_ISDIGIT(ch) _PyUnicode_IsDigit(ch) +#define Py_UNICODE_ISNUMERIC(ch) _PyUnicode_IsNumeric(ch) + +#define Py_UNICODE_TODECIMAL(ch) _PyUnicode_ToDecimalDigit(ch) +#define Py_UNICODE_TODIGIT(ch) _PyUnicode_ToDigit(ch) +#define Py_UNICODE_TONUMERIC(ch) _PyUnicode_ToNumeric(ch) + +#define Py_UNICODE_ISALPHA(ch) iswalpha(ch) + +#else + +/* Since splitting on whitespace is an important use case, and + whitespace in most situations is solely ASCII whitespace, we + optimize for the common case by using a quick look-up table + _Py_ascii_whitespace (see below) with an inlined check. + + */ +#define Py_UNICODE_ISSPACE(ch) \ + ((ch) < 128U ? _Py_ascii_whitespace[(ch)] : _PyUnicode_IsWhitespace(ch)) + +#define Py_UNICODE_ISLOWER(ch) _PyUnicode_IsLowercase(ch) +#define Py_UNICODE_ISUPPER(ch) _PyUnicode_IsUppercase(ch) +#define Py_UNICODE_ISTITLE(ch) _PyUnicode_IsTitlecase(ch) +#define Py_UNICODE_ISLINEBREAK(ch) _PyUnicode_IsLinebreak(ch) + +#define Py_UNICODE_TOLOWER(ch) _PyUnicode_ToLowercase(ch) +#define Py_UNICODE_TOUPPER(ch) _PyUnicode_ToUppercase(ch) +#define Py_UNICODE_TOTITLE(ch) _PyUnicode_ToTitlecase(ch) + +#define Py_UNICODE_ISDECIMAL(ch) _PyUnicode_IsDecimalDigit(ch) +#define Py_UNICODE_ISDIGIT(ch) _PyUnicode_IsDigit(ch) +#define Py_UNICODE_ISNUMERIC(ch) _PyUnicode_IsNumeric(ch) + +#define Py_UNICODE_TODECIMAL(ch) _PyUnicode_ToDecimalDigit(ch) +#define Py_UNICODE_TODIGIT(ch) _PyUnicode_ToDigit(ch) +#define Py_UNICODE_TONUMERIC(ch) _PyUnicode_ToNumeric(ch) + +#define Py_UNICODE_ISALPHA(ch) _PyUnicode_IsAlpha(ch) + +#endif + +#define Py_UNICODE_ISALNUM(ch) \ + (Py_UNICODE_ISALPHA(ch) || \ + Py_UNICODE_ISDECIMAL(ch) || \ + Py_UNICODE_ISDIGIT(ch) || \ + Py_UNICODE_ISNUMERIC(ch)) + +#define Py_UNICODE_COPY(target, source, length) \ + Py_MEMCPY((target), (source), (length)*sizeof(Py_UNICODE)) + +#define Py_UNICODE_FILL(target, value, length) \ + do {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\ + for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\ + } while (0) + +/* Check if substring matches at given offset. the offset must be + valid, and the substring must not be empty */ + +#define Py_UNICODE_MATCH(string, offset, substring) \ + ((*((string)->str + (offset)) == *((substring)->str)) && \ + ((*((string)->str + (offset) + (substring)->length-1) == *((substring)->str + (substring)->length-1))) && \ + !memcmp((string)->str + (offset), (substring)->str, (substring)->length*sizeof(Py_UNICODE))) #ifdef __cplusplus extern "C" { #endif +/* --- Unicode Type ------------------------------------------------------- */ + +typedef struct { + PyObject_HEAD + Py_ssize_t length; /* Length of raw Unicode data in buffer */ + Py_UNICODE *str; /* Raw Unicode buffer */ + long hash; /* Hash value; -1 if not set */ + PyObject *defenc; /* (Default) Encoded version as Python + string, or NULL; this is used for + implementing the buffer protocol */ +} PyUnicodeObject; PyAPI_DATA(PyTypeObject) PyUnicode_Type; -PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type; #define PyUnicode_Check(op) \ PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_UNICODE_SUBCLASS) #define PyUnicode_CheckExact(op) (Py_TYPE(op) == &PyUnicode_Type) +/* Fast access macros */ +#define PyUnicode_GET_SIZE(op) \ + (((PyUnicodeObject *)(op))->length) +#define PyUnicode_GET_DATA_SIZE(op) \ + (((PyUnicodeObject *)(op))->length * sizeof(Py_UNICODE)) +#define PyUnicode_AS_UNICODE(op) \ + (((PyUnicodeObject *)(op))->str) +#define PyUnicode_AS_DATA(op) \ + ((const char *)((PyUnicodeObject *)(op))->str) + /* --- Constants ---------------------------------------------------------- */ /* This Unicode character will be used as replacement character during @@ -122,110 +445,85 @@ PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type; Unicode character U+FFFD is the official REPLACEMENT CHARACTER in Unicode 3.0. */ -#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UCS4) 0xFFFD) +#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UNICODE) 0xFFFD) /* === Public API ========================================================= */ -/* Similar to PyUnicode_FromUnicode(), but u points to UTF-8 encoded bytes */ +/* --- Plain Py_UNICODE --------------------------------------------------- */ + +/* Create a Unicode Object from the Py_UNICODE buffer u of the given + size. + + u may be NULL which causes the contents to be undefined. It is the + user's responsibility to fill in the needed data afterwards. Note + that modifying the Unicode object contents after construction is + only allowed if u was set to NULL. + + The buffer is copied into the new object. */ + +PyAPI_FUNC(PyObject*) PyUnicode_FromUnicode( + const Py_UNICODE *u, /* Unicode buffer */ + Py_ssize_t size /* size of buffer */ + ); + +/* Similar to PyUnicode_FromUnicode(), but u points to Latin-1 encoded bytes */ PyAPI_FUNC(PyObject*) PyUnicode_FromStringAndSize( - const char *u, /* UTF-8 encoded string */ - Py_ssize_t size /* size of buffer */ + const char *u, /* char buffer */ + Py_ssize_t size /* size of buffer */ ); /* Similar to PyUnicode_FromUnicode(), but u points to null-terminated - UTF-8 encoded bytes. The size is determined with strlen(). */ + Latin-1 encoded bytes */ PyAPI_FUNC(PyObject*) PyUnicode_FromString( - const char *u /* UTF-8 encoded string */ + const char *u /* string */ ); -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -PyAPI_FUNC(PyObject*) PyUnicode_Substring( - PyObject *str, - Py_ssize_t start, - Py_ssize_t end); -#endif - -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -/* Copy the string into a UCS4 buffer including the null character if copy_null - is set. Return NULL and raise an exception on error. Raise a SystemError if - the buffer is smaller than the string. Return buffer on success. - - buflen is the length of the buffer in (Py_UCS4) characters. */ -PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4( - PyObject *unicode, - Py_UCS4* buffer, - Py_ssize_t buflen, - int copy_null); - -/* Copy the string into a UCS4 buffer. A new buffer is allocated using - * PyMem_Malloc; if this fails, NULL is returned with a memory error - exception set. */ -PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4Copy(PyObject *unicode); -#endif - -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -/* Get the length of the Unicode object. */ - -PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength( - PyObject *unicode -); -#endif +/* Return a read-only pointer to the Unicode object's internal + Py_UNICODE buffer. */ -/* Get the number of Py_UNICODE units in the - string representation. */ - -Py_DEPRECATED(3.3) PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize( +PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode( PyObject *unicode /* Unicode object */ ); -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -/* Read a character from the string. */ +/* Get the length of the Unicode object. */ -PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar( - PyObject *unicode, - Py_ssize_t index +PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize( + PyObject *unicode /* Unicode object */ ); -/* Write a character to the string. The string must have been created through - PyUnicode_New, must not be shared, and must not have been hashed yet. - - Return 0 on success, -1 on error. */ +/* Get the maximum ordinal for a Unicode character. */ +PyAPI_FUNC(Py_UNICODE) PyUnicode_GetMax(void); -PyAPI_FUNC(int) PyUnicode_WriteChar( - PyObject *unicode, - Py_ssize_t index, - Py_UCS4 character - ); -#endif - -/* Resize a Unicode object. The length is the number of characters, except - if the kind of the string is PyUnicode_WCHAR_KIND: in this case, the length - is the number of Py_UNICODE characters. +/* Resize an already allocated Unicode object to the new size length. *unicode is modified to point to the new (resized) object and 0 returned on success. - Try to resize the string in place (which is usually faster than allocating - a new string and copy characters), or create a new string. + This API may only be called by the function which also called the + Unicode constructor. The refcount on the object must be 1. Otherwise, + an error is returned. Error handling is implemented as follows: an exception is set, -1 is returned and *unicode left untouched. - WARNING: The function doesn't check string content, the result may not be a - string in canonical representation. */ +*/ PyAPI_FUNC(int) PyUnicode_Resize( PyObject **unicode, /* Pointer to the Unicode object */ Py_ssize_t length /* New length */ ); -/* Decode obj to a Unicode object. +/* Coerce obj to a Unicode object and return a reference with + *incremented* refcount. - bytes, bytearray and other bytes-like objects are decoded according to the - given encoding and error handler. The encoding and error handler can be - NULL to have the interface use UTF-8 and "strict". + Coercion is done in the following way: - All other objects (including Unicode objects) raise an exception. + 1. String and other char buffer compatible objects are decoded + under the assumptions that they contain data using the current + default encoding. Decoding is done in "strict" mode. + + 2. All other objects (including Unicode objects) raise an + exception. The API returns NULL in case of an error. The caller is responsible for decref'ing the returned objects. @@ -233,14 +531,18 @@ PyAPI_FUNC(int) PyUnicode_Resize( */ PyAPI_FUNC(PyObject*) PyUnicode_FromEncodedObject( - PyObject *obj, /* Object */ + register PyObject *obj, /* Object */ const char *encoding, /* encoding */ const char *errors /* error handling */ ); -/* Copy an instance of a Unicode subtype to a new true Unicode object if - necessary. If obj is already a true Unicode object (not a subtype), return - the reference with *incremented* refcount. +/* Coerce obj to a Unicode object and return a reference with + *incremented* refcount. + + Unicode objects are passed back as-is (subclasses are converted to + true Unicode objects), all other objects are delegated to + PyUnicode_FromEncodedObject(obj, NULL, "strict") which results in + using the default encoding as basis for decoding the object. The API returns NULL in case of an error. The caller is responsible for decref'ing the returned objects. @@ -248,39 +550,29 @@ PyAPI_FUNC(PyObject*) PyUnicode_FromEncodedObject( */ PyAPI_FUNC(PyObject*) PyUnicode_FromObject( - PyObject *obj /* Object */ + register PyObject *obj /* Object */ ); -PyAPI_FUNC(PyObject *) PyUnicode_FromFormatV( - const char *format, /* ASCII-encoded string */ - va_list vargs - ); -PyAPI_FUNC(PyObject *) PyUnicode_FromFormat( - const char *format, /* ASCII-encoded string */ - ... - ); +PyAPI_FUNC(PyObject *) PyUnicode_FromFormatV(const char*, va_list); +PyAPI_FUNC(PyObject *) PyUnicode_FromFormat(const char*, ...); -PyAPI_FUNC(void) PyUnicode_InternInPlace(PyObject **); -PyAPI_FUNC(void) PyUnicode_InternImmortal(PyObject **); -PyAPI_FUNC(PyObject *) PyUnicode_InternFromString( - const char *u /* UTF-8 encoded string */ - ); - -/* Use only if you know it's a string */ -#define PyUnicode_CHECK_INTERNED(op) \ - (((PyASCIIObject *)(op))->state.interned) +/* Format the object based on the format_spec, as defined in PEP 3101 + (Advanced String Formatting). */ +PyAPI_FUNC(PyObject *) _PyUnicode_FormatAdvanced(PyObject *obj, + Py_UNICODE *format_spec, + Py_ssize_t format_spec_len); /* --- wchar_t support for platforms which support it --------------------- */ #ifdef HAVE_WCHAR_H -/* Create a Unicode Object from the wchar_t buffer w of the given +/* Create a Unicode Object from the whcar_t buffer w of the given size. The buffer is copied into the new object. */ PyAPI_FUNC(PyObject*) PyUnicode_FromWideChar( - const wchar_t *w, /* wchar_t buffer */ + register const wchar_t *w, /* wchar_t buffer */ Py_ssize_t size /* size of buffer */ ); @@ -297,44 +589,43 @@ PyAPI_FUNC(PyObject*) PyUnicode_FromWideChar( error. */ PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar( - PyObject *unicode, /* Unicode object */ - wchar_t *w, /* wchar_t buffer */ + PyUnicodeObject *unicode, /* Unicode object */ + register wchar_t *w, /* wchar_t buffer */ Py_ssize_t size /* size of buffer */ ); -/* Convert the Unicode object to a wide character string. The output string - always ends with a nul character. If size is not NULL, write the number of - wide characters (excluding the null character) into *size. - - Returns a buffer allocated by PyMem_Malloc() (use PyMem_Free() to free it) - on success. On error, returns NULL, *size is undefined and raises a - MemoryError. */ - -PyAPI_FUNC(wchar_t*) PyUnicode_AsWideCharString( - PyObject *unicode, /* Unicode object */ - Py_ssize_t *size /* number of characters of the result */ - ); - #endif /* --- Unicode ordinals --------------------------------------------------- */ /* Create a Unicode Object from the given Unicode code point ordinal. - The ordinal must be in range(0x110000). A ValueError is + The ordinal must be in range(0x10000) on narrow Python builds + (UCS2), and range(0x110000) on wide builds (UCS4). A ValueError is raised in case it is not. */ PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal); +/* --- Free-list management ----------------------------------------------- */ + +/* Clear the free list used by the Unicode implementation. + + This can be used to release memory used for objects on the free + list back to the Python memory allocator. + +*/ + +PyAPI_FUNC(int) PyUnicode_ClearFreeList(void); + /* === Builtin Codecs ===================================================== Many of these APIs take two arguments encoding and errors. These parameters encoding and errors have the same semantics as the ones - of the builtin str() API. + of the builtin unicode() API. - Setting encoding to NULL causes the default encoding (UTF-8) to be used. + Setting encoding to NULL causes the default encoding to be used. Error handling is set by errors which may also be set to NULL meaning to use the default handling defined for the codec. Default @@ -348,9 +639,44 @@ PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal); /* --- Manage the default encoding ---------------------------------------- */ -/* Returns "utf-8". */ +/* Return a Python string holding the default encoded value of the + Unicode object. + + The resulting string is cached in the Unicode object for subsequent + usage by this function. The cached version is needed to implement + the character buffer interface and will live (at least) as long as + the Unicode object itself. + + The refcount of the string is *not* incremented. + + *** Exported for internal use by the interpreter only !!! *** + +*/ + +PyAPI_FUNC(PyObject *) _PyUnicode_AsDefaultEncodedString( + PyObject *, const char *); + +/* Returns the currently active default encoding. + + The default encoding is currently implemented as run-time settable + process global. This may change in future versions of the + interpreter to become a parameter which is managed on a per-thread + basis. + + */ + PyAPI_FUNC(const char*) PyUnicode_GetDefaultEncoding(void); +/* Sets the currently active default encoding. + + Returns 0 on success, -1 in case of an error. + + */ + +PyAPI_FUNC(int) PyUnicode_SetDefaultEncoding( + const char *encoding /* Encoding name in standard form */ + ); + /* --- Generic Codecs ----------------------------------------------------- */ /* Create a Unicode object by decoding the encoded string s of the @@ -363,41 +689,20 @@ PyAPI_FUNC(PyObject*) PyUnicode_Decode( const char *errors /* error handling */ ); -/* Decode a Unicode object unicode and return the result as Python - object. - - This API is DEPRECATED. The only supported standard encoding is rot13. - Use PyCodec_Decode() to decode with rot13 and non-standard codecs - that decode from str. */ - -Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedObject( - PyObject *unicode, /* Unicode object */ - const char *encoding, /* encoding */ - const char *errors /* error handling */ - ); - -/* Decode a Unicode object unicode and return the result as Unicode - object. - - This API is DEPRECATED. The only supported standard encoding is rot13. - Use PyCodec_Decode() to decode with rot13 and non-standard codecs - that decode from str to str. */ +/* Encodes a Py_UNICODE buffer of the given size and returns a + Python string object. */ -Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedUnicode( - PyObject *unicode, /* Unicode object */ +PyAPI_FUNC(PyObject*) PyUnicode_Encode( + const Py_UNICODE *s, /* Unicode char buffer */ + Py_ssize_t size, /* number of Py_UNICODE chars to encode */ const char *encoding, /* encoding */ const char *errors /* error handling */ ); /* Encodes a Unicode object and returns the result as Python - object. - - This API is DEPRECATED. It is superseded by PyUnicode_AsEncodedString() - since all standard encodings (except rot13) encode str to bytes. - Use PyCodec_Encode() for encoding with rot13 and non-standard codecs - that encode form str to non-bytes. */ + object. */ -Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedObject( +PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedObject( PyObject *unicode, /* Unicode object */ const char *encoding, /* encoding */ const char *errors /* error handling */ @@ -412,25 +717,11 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedString( const char *errors /* error handling */ ); -/* Encodes a Unicode object and returns the result as Unicode - object. - - This API is DEPRECATED. The only supported standard encodings is rot13. - Use PyCodec_Encode() to encode with rot13 and non-standard codecs - that encode from str to str. */ - -Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedUnicode( - PyObject *unicode, /* Unicode object */ - const char *encoding, /* encoding */ - const char *errors /* error handling */ - ); - -/* Build an encoding map. */ - PyAPI_FUNC(PyObject*) PyUnicode_BuildEncodingMap( PyObject* string /* 256 character map */ ); + /* --- UTF-7 Codecs ------------------------------------------------------- */ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7( @@ -446,6 +737,14 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7Stateful( Py_ssize_t *consumed /* bytes consumed */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF7( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* number of Py_UNICODE chars to encode */ + int base64SetO, /* Encode RFC2152 Set O characters in base64 */ + int base64WhiteSpace, /* Encode whitespace (sp, ht, nl, cr) in base64 */ + const char *errors /* error handling */ + ); + /* --- UTF-8 Codecs ------------------------------------------------------- */ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8( @@ -458,13 +757,19 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8Stateful( const char *string, /* UTF-8 encoded string */ Py_ssize_t length, /* size of string */ const char *errors, /* error handling */ - Py_ssize_t *consumed /* bytes consumed */ + Py_ssize_t *consumed /* bytes consumed */ ); PyAPI_FUNC(PyObject*) PyUnicode_AsUTF8String( PyObject *unicode /* Unicode object */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF8( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* number of Py_UNICODE chars to encode */ + const char *errors /* error handling */ + ); + /* --- UTF-32 Codecs ------------------------------------------------------ */ /* Decodes length bytes from a UTF-32 encoded buffer string and returns @@ -532,6 +837,13 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsUTF32String( */ +PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF32( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* number of Py_UNICODE chars to encode */ + const char *errors, /* error handling */ + int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */ + ); + /* --- UTF-16 Codecs ------------------------------------------------------ */ /* Decodes length bytes from a UTF-16 encoded buffer string and returns @@ -573,7 +885,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16Stateful( int *byteorder, /* pointer to byteorder to use 0=native;-1=LE,1=BE; updated on exit */ - Py_ssize_t *consumed /* bytes consumed */ + Py_ssize_t *consumed /* bytes consumed */ ); /* Returns a Python string using the UTF-16 encoding in native byte @@ -583,6 +895,33 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsUTF16String( PyObject *unicode /* Unicode object */ ); +/* Returns a Python string object holding the UTF-16 encoded value of + the Unicode data. + + If byteorder is not 0, output is written according to the following + byte order: + + byteorder == -1: little endian + byteorder == 0: native byte order (writes a BOM mark) + byteorder == 1: big endian + + If byteorder is 0, the output string will always start with the + Unicode BOM mark (U+FEFF). In the other two modes, no BOM mark is + prepended. + + Note that Py_UNICODE data is being interpreted as UTF-16 reduced to + UCS-2. This trick makes it possible to add full UTF-16 capabilities + at a later point without compromising the APIs. + +*/ + +PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF16( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* number of Py_UNICODE chars to encode */ + const char *errors, /* error handling */ + int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */ + ); + /* --- Unicode-Escape Codecs ---------------------------------------------- */ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUnicodeEscape( @@ -595,6 +934,11 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsUnicodeEscapeString( PyObject *unicode /* Unicode object */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeUnicodeEscape( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length /* Number of Py_UNICODE chars to encode */ + ); + /* --- Raw-Unicode-Escape Codecs ------------------------------------------ */ PyAPI_FUNC(PyObject*) PyUnicode_DecodeRawUnicodeEscape( @@ -607,9 +951,26 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsRawUnicodeEscapeString( PyObject *unicode /* Unicode object */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeRawUnicodeEscape( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length /* Number of Py_UNICODE chars to encode */ + ); + +/* --- Unicode Internal Codec --------------------------------------------- + + Only for internal use in _codecsmodule.c */ + +PyObject *_PyUnicode_DecodeUnicodeInternal( + const char *string, + Py_ssize_t length, + const char *errors + ); + /* --- Latin-1 Codecs ----------------------------------------------------- - Note: Latin-1 corresponds to the first 256 Unicode ordinals. */ + Note: Latin-1 corresponds to the first 256 Unicode ordinals. + +*/ PyAPI_FUNC(PyObject*) PyUnicode_DecodeLatin1( const char *string, /* Latin-1 encoded string */ @@ -621,6 +982,12 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsLatin1String( PyObject *unicode /* Unicode object */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeLatin1( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ + const char *errors /* error handling */ + ); + /* --- ASCII Codecs ------------------------------------------------------- Only 7-bit ASCII data is excepted. All other codes generate errors. @@ -637,41 +1004,83 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsASCIIString( PyObject *unicode /* Unicode object */ ); +PyAPI_FUNC(PyObject*) PyUnicode_EncodeASCII( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ + const char *errors /* error handling */ + ); + /* --- Character Map Codecs ----------------------------------------------- This codec uses mappings to encode and decode characters. - Decoding mappings must map byte ordinals (integers in the range from 0 to - 255) to Unicode strings, integers (which are then interpreted as Unicode - ordinals) or None. Unmapped data bytes (ones which cause a LookupError) - as well as mapped to None, 0xFFFE or '\ufffe' are treated as "undefined - mapping" and cause an error. + Decoding mappings must map single string characters to single + Unicode characters, integers (which are then interpreted as Unicode + ordinals) or None (meaning "undefined mapping" and causing an + error). + + Encoding mappings must map single Unicode characters to single + string characters, integers (which are then interpreted as Latin-1 + ordinals) or None (meaning "undefined mapping" and causing an + error). - Encoding mappings must map Unicode ordinal integers to bytes objects, - integers in the range from 0 to 255 or None. Unmapped character - ordinals (ones which cause a LookupError) as well as mapped to - None are treated as "undefined mapping" and cause an error. + If a character lookup fails with a LookupError, the character is + copied as-is meaning that its ordinal value will be interpreted as + Unicode or Latin-1 ordinal resp. Because of this mappings only need + to contain those mappings which map characters to different code + points. */ PyAPI_FUNC(PyObject*) PyUnicode_DecodeCharmap( const char *string, /* Encoded string */ Py_ssize_t length, /* size of string */ - PyObject *mapping, /* decoding mapping */ + PyObject *mapping, /* character mapping + (char ordinal -> unicode ordinal) */ const char *errors /* error handling */ ); PyAPI_FUNC(PyObject*) PyUnicode_AsCharmapString( PyObject *unicode, /* Unicode object */ - PyObject *mapping /* encoding mapping */ + PyObject *mapping /* character mapping + (unicode ordinal -> char ordinal) */ + ); + +PyAPI_FUNC(PyObject*) PyUnicode_EncodeCharmap( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ + PyObject *mapping, /* character mapping + (unicode ordinal -> char ordinal) */ + const char *errors /* error handling */ + ); + +/* Translate a Py_UNICODE buffer of the given length by applying a + character mapping table to it and return the resulting Unicode + object. + + The mapping table must map Unicode ordinal integers to Unicode + ordinal integers or None (causing deletion of the character). + + Mapping tables may be dictionaries or sequences. Unmapped character + ordinals (ones which cause a LookupError) are left untouched and + are copied as-is. + +*/ + +PyAPI_FUNC(PyObject *) PyUnicode_TranslateCharmap( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ + PyObject *table, /* Translate table */ + const char *errors /* error handling */ ); +#ifdef MS_WIN32 + /* --- MBCS codecs for Windows -------------------------------------------- */ -#ifdef MS_WINDOWS PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCS( const char *string, /* MBCS encoded string */ - Py_ssize_t length, /* size of string */ + Py_ssize_t length, /* size of string */ const char *errors /* error handling */ ); @@ -682,110 +1091,47 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful( Py_ssize_t *consumed /* bytes consumed */ ); -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -PyAPI_FUNC(PyObject*) PyUnicode_DecodeCodePageStateful( - int code_page, /* code page number */ - const char *string, /* encoded string */ - Py_ssize_t length, /* size of string */ - const char *errors, /* error handling */ - Py_ssize_t *consumed /* bytes consumed */ - ); -#endif - PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString( PyObject *unicode /* Unicode object */ ); -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -PyAPI_FUNC(PyObject*) PyUnicode_EncodeCodePage( - int code_page, /* code page number */ - PyObject *unicode, /* Unicode object */ +PyAPI_FUNC(PyObject*) PyUnicode_EncodeMBCS( + const Py_UNICODE *data, /* Unicode char buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ const char *errors /* error handling */ ); -#endif - -#endif /* MS_WINDOWS */ - -/* --- Locale encoding --------------------------------------------------- */ -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -/* Decode a string from the current locale encoding. The decoder is strict if - *surrogateescape* is equal to zero, otherwise it uses the 'surrogateescape' - error handler (PEP 383) to escape undecodable bytes. If a byte sequence can - be decoded as a surrogate character and *surrogateescape* is not equal to - zero, the byte sequence is escaped using the 'surrogateescape' error handler - instead of being decoded. *str* must end with a null character but cannot - contain embedded null characters. */ +#endif /* MS_WIN32 */ -PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocaleAndSize( - const char *str, - Py_ssize_t len, - const char *errors); +/* --- Decimal Encoder ---------------------------------------------------- */ -/* Similar to PyUnicode_DecodeLocaleAndSize(), but compute the string - length using strlen(). */ +/* Takes a Unicode string holding a decimal value and writes it into + an output buffer using standard ASCII digit codes. -PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocale( - const char *str, - const char *errors); + The output buffer has to provide at least length+1 bytes of storage + area. The output string is 0-terminated. -/* Encode a Unicode object to the current locale encoding. The encoder is - strict is *surrogateescape* is equal to zero, otherwise the - "surrogateescape" error handler is used. Return a bytes object. The string - cannot contain embedded null characters. */ - -PyAPI_FUNC(PyObject*) PyUnicode_EncodeLocale( - PyObject *unicode, - const char *errors - ); -#endif + The encoder converts whitespace to ' ', decimal characters to their + corresponding ASCII digit and all other Latin-1 characters except + \0 as-is. Characters outside this range (Unicode ordinals 1-256) + are treated as errors. This includes embedded NULL bytes. -/* --- File system encoding ---------------------------------------------- */ + Error handling is defined by the errors argument: -/* ParseTuple converter: encode str objects to bytes using - PyUnicode_EncodeFSDefault(); bytes objects are output as-is. */ + NULL or "strict": raise a ValueError + "ignore": ignore the wrong characters (these are not copied to the + output buffer) + "replace": replaces illegal characters with '?' -PyAPI_FUNC(int) PyUnicode_FSConverter(PyObject*, void*); + Returns 0 on success, -1 on failure. -/* ParseTuple converter: decode bytes objects to unicode using - PyUnicode_DecodeFSDefaultAndSize(); str objects are output as-is. */ - -PyAPI_FUNC(int) PyUnicode_FSDecoder(PyObject*, void*); - -/* Decode a null-terminated string using Py_FileSystemDefaultEncoding - and the "surrogateescape" error handler. - - If Py_FileSystemDefaultEncoding is not set, fall back to the locale - encoding. - - Use PyUnicode_DecodeFSDefaultAndSize() if the string length is known. -*/ - -PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefault( - const char *s /* encoded string */ - ); - -/* Decode a string using Py_FileSystemDefaultEncoding - and the "surrogateescape" error handler. - - If Py_FileSystemDefaultEncoding is not set, fall back to the locale - encoding. */ -PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefaultAndSize( - const char *s, /* encoded string */ - Py_ssize_t size /* size */ - ); - -/* Encode a Unicode object to Py_FileSystemDefaultEncoding with the - "surrogateescape" error handler, and return bytes. - - If Py_FileSystemDefaultEncoding is not set, fall back to the locale - encoding. -*/ - -PyAPI_FUNC(PyObject*) PyUnicode_EncodeFSDefault( - PyObject *unicode +PyAPI_FUNC(int) PyUnicode_EncodeDecimal( + Py_UNICODE *s, /* Unicode buffer */ + Py_ssize_t length, /* Number of Py_UNICODE chars to encode */ + char *output, /* Output buffer; must have size >= length */ + const char *errors /* error handling */ ); /* --- Methods & Slots ---------------------------------------------------- @@ -801,22 +1147,6 @@ PyAPI_FUNC(PyObject*) PyUnicode_Concat( PyObject *right /* Right string */ ); -/* Concat two strings and put the result in *pleft - (sets *pleft to NULL on error) */ - -PyAPI_FUNC(void) PyUnicode_Append( - PyObject **pleft, /* Pointer to left string */ - PyObject *right /* Right string */ - ); - -/* Concat two strings, put the result in *pleft and drop the right object - (sets *pleft to NULL on error) */ - -PyAPI_FUNC(void) PyUnicode_AppendAndDel( - PyObject **pleft, /* Pointer to left string */ - PyObject *right /* Right string */ - ); - /* Split a string giving a list of Unicode strings. If sep is NULL, splitting will be done at all whitespace @@ -881,8 +1211,8 @@ PyAPI_FUNC(PyObject*) PyUnicode_RSplit( /* Translate a string by applying a character mapping table to it and return the resulting Unicode object. - The mapping table must map Unicode ordinal integers to Unicode strings, - Unicode ordinal integers or None (causing deletion of the character). + The mapping table must map Unicode ordinal integers to Unicode + ordinal integers or None (causing deletion of the character). Mapping tables may be dictionaries or sequences. Unmapped character ordinals (ones which cause a LookupError) are left untouched and @@ -927,17 +1257,6 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_Find( int direction /* Find direction: +1 forward, -1 backward */ ); -#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 -/* Like PyUnicode_Find, but search for single character only. */ -PyAPI_FUNC(Py_ssize_t) PyUnicode_FindChar( - PyObject *str, - Py_UCS4 ch, - Py_ssize_t start, - Py_ssize_t end, - int direction - ); -#endif - /* Count the number of occurrences of substr in str[start:end]. */ PyAPI_FUNC(Py_ssize_t) PyUnicode_Count( @@ -959,31 +1278,23 @@ PyAPI_FUNC(PyObject *) PyUnicode_Replace( ); /* Compare two strings and return -1, 0, 1 for less than, equal, - greater than resp. - Raise an exception and return -1 on error. */ + greater than resp. */ PyAPI_FUNC(int) PyUnicode_Compare( PyObject *left, /* Left string */ PyObject *right /* Right string */ ); -/* Compare a Unicode object with C string and return -1, 0, 1 for less than, - equal, and greater than, respectively. It is best to pass only - ASCII-encoded strings, but the function interprets the input string as - ISO-8859-1 if it contains non-ASCII characters. - This function does not raise exceptions. */ - -PyAPI_FUNC(int) PyUnicode_CompareWithASCIIString( - PyObject *left, - const char *right /* ASCII-encoded string */ - ); - /* Rich compare two strings and return one of the following: - NULL in case an exception was raised - Py_True or Py_False for successful comparisons - Py_NotImplemented in case the type combination is unknown + Note that Py_EQ and Py_NE comparisons can cause a UnicodeWarning in + case the conversion of the arguments to Unicode fails with a + UnicodeDecodeError. + Possible values for op: Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE @@ -1015,19 +1326,88 @@ PyAPI_FUNC(int) PyUnicode_Contains( PyObject *element /* Element string */ ); -/* Checks whether argument is a valid identifier. */ - -PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s); +/* Externally visible for str.strip(unicode) */ +PyAPI_FUNC(PyObject *) _PyUnicode_XStrip( + PyUnicodeObject *self, + int striptype, + PyObject *sepobj + ); /* === Characters Type APIs =============================================== */ -#ifndef Py_LIMITED_API -# define Py_CPYTHON_UNICODEOBJECT_H -# include "cpython/unicodeobject.h" -# undef Py_CPYTHON_UNICODEOBJECT_H -#endif +/* Helper array used by Py_UNICODE_ISSPACE(). */ + +PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[]; + +/* These should not be used directly. Use the Py_UNICODE_IS* and + Py_UNICODE_TO* macros instead. + + These APIs are implemented in Objects/unicodectype.c. + +*/ + +PyAPI_FUNC(int) _PyUnicode_IsLowercase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsUppercase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsTitlecase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsWhitespace( + const Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsLinebreak( + const Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(Py_UNICODE) _PyUnicode_ToLowercase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(Py_UNICODE) _PyUnicode_ToUppercase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(Py_UNICODE) _PyUnicode_ToTitlecase( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_ToDecimalDigit( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_ToDigit( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(double) _PyUnicode_ToNumeric( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsDecimalDigit( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsDigit( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsNumeric( + Py_UNICODE ch /* Unicode character */ + ); + +PyAPI_FUNC(int) _PyUnicode_IsAlpha( + Py_UNICODE ch /* Unicode character */ + ); #ifdef __cplusplus } #endif +#endif /* Py_USING_UNICODE */ #endif /* !Py_UNICODEOBJECT_H */ |