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- #ifndef Py_UNICODEOBJECT_H
- #define Py_UNICODEOBJECT_H
-
- /*
-
- Unicode implementation based on original code by Fredrik Lundh,
- modified by Marc-Andre Lemburg (mal@lemburg.com) according to the
- Unicode Integration Proposal (see file Misc/unicode.txt).
-
- Copyright (c) Corporation for National Research Initiatives.
-
-
- Original header:
- --------------------------------------------------------------------
-
- * Yet another Unicode string type for Python. This type supports the
- * 16-bit Basic Multilingual Plane (BMP) only.
- *
- * Written by Fredrik Lundh, January 1999.
- *
- * Copyright (c) 1999 by Secret Labs AB.
- * Copyright (c) 1999 by Fredrik Lundh.
- *
- * fredrik@pythonware.com
- * http://www.pythonware.com
- *
- * --------------------------------------------------------------------
- * This Unicode String Type is
- *
- * Copyright (c) 1999 by Secret Labs AB
- * Copyright (c) 1999 by Fredrik Lundh
- *
- * By obtaining, using, and/or copying this software and/or its
- * associated documentation, you agree that you have read, understood,
- * and will comply with the following terms and conditions:
- *
- * Permission to use, copy, modify, and distribute this software and its
- * associated documentation for any purpose and without fee is hereby
- * granted, provided that the above copyright notice appears in all
- * copies, and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of Secret Labs
- * AB or the author not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission.
- *
- * SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- * -------------------------------------------------------------------- */
-
- #include "ctype.h"
-
- /* === Internal API ======================================================= */
-
- /* --- Internal Unicode Format -------------------------------------------- */
-
- /* 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 HAVE_USABLE_WCHAR_T
-
- /* Windows has a usable wchar_t type */
- # if defined(MS_WIN32)
- # define HAVE_USABLE_WCHAR_T
- # endif
-
- #endif
-
- /* If the compiler provides a wchar_t type we try to support it
- through the interface functions PyUnicode_FromWideChar() and
- PyUnicode_AsWideChar(). */
-
- #ifdef HAVE_USABLE_WCHAR_T
- # ifndef HAVE_WCHAR_H
- # define HAVE_WCHAR_H
- # endif
- #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
-
- #ifdef HAVE_USABLE_WCHAR_T
-
- /* If the compiler defines whcar_t as a 16-bit unsigned type we can
- use the compiler type directly. Works fine with all modern Windows
- platforms. */
-
- typedef wchar_t Py_UNICODE;
-
- #else
-
- /* Use if you have a standard ANSI compiler, without wchar_t support.
- If a short is not 16 bits on your platform, you have to fix the
- typedef below, or the module initialization code will complain. */
-
- typedef unsigned short Py_UNICODE;
-
- #endif
-
- /*
- * 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
-
-
- /* --- 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-ctype-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
-
- #define Py_UNICODE_ISSPACE(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)\
- (memcpy((target), (source), (length)*sizeof(Py_UNICODE)))
-
- #define Py_UNICODE_FILL(target, value, length) do\
- {int i; for (i = 0; i < (length); i++) (target)[i] = (value);}\
- while (0)
-
- #define Py_UNICODE_MATCH(string, offset, substring)\
- ((*((string)->str + (offset)) == *((substring)->str)) &&\
- !memcmp((string)->str + (offset), (substring)->str,\
- (substring)->length*sizeof(Py_UNICODE)))
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /* --- Unicode Type ------------------------------------------------------- */
-
- typedef struct {
- PyObject_HEAD
- int 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;
-
- extern DL_IMPORT(PyTypeObject) PyUnicode_Type;
-
- #define PyUnicode_Check(op) (((op)->ob_type == &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
- decoding if the errors argument is set to "replace". Note: the
- Unicode character U+FFFD is the official REPLACEMENT CHARACTER in
- Unicode 3.0. */
-
- #define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UNICODE) 0xFFFD)
-
- /* === Public API ========================================================= */
-
- /* --- 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.
-
- The buffer is copied into the new object. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_FromUnicode(
- const Py_UNICODE *u, /* Unicode buffer */
- int size /* size of buffer */
- );
-
- /* Return a read-only pointer to the Unicode object's internal
- Py_UNICODE buffer. */
-
- extern DL_IMPORT(Py_UNICODE *) PyUnicode_AsUnicode(
- PyObject *unicode /* Unicode object */
- );
-
- /* Get the length of the Unicode object. */
-
- extern DL_IMPORT(int) PyUnicode_GetSize(
- PyObject *unicode /* Unicode object */
- );
-
- /* 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.
-
- 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.
-
- */
-
- extern DL_IMPORT(int) PyUnicode_Resize(
- PyObject **unicode, /* Pointer to the Unicode object */
- int length /* New length */
- );
-
- /* Coerce obj to an Unicode object and return a reference with
- *incremented* refcount.
-
- Coercion is done in the following way:
-
- 1. Unicode objects are passed back as-is with incremented
- refcount.
-
- 2. 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.
-
- 3. All other objects raise an exception.
-
- The API returns NULL in case of an error. The caller is responsible
- for decref'ing the returned objects.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_FromEncodedObject(
- register PyObject *obj, /* Object */
- const char *encoding, /* encoding */
- const char *errors /* error handling */
- );
-
- /* Shortcut for PyUnicode_FromEncodedObject(obj, NULL, "strict");
- which results in using the default encoding as basis for
- decoding the object.
-
- Coerces obj to an Unicode object and return a reference with
- *incremented* refcount.
-
- The API returns NULL in case of an error. The caller is responsible
- for decref'ing the returned objects.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_FromObject(
- register PyObject *obj /* Object */
- );
-
- /* --- wchar_t support for platforms which support it --------------------- */
-
- #ifdef HAVE_WCHAR_H
-
- /* Create a Unicode Object from the whcar_t buffer w of the given
- size.
-
- The buffer is copied into the new object. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_FromWideChar(
- register const wchar_t *w, /* wchar_t buffer */
- int size /* size of buffer */
- );
-
- /* Copies the Unicode Object contents into the whcar_t buffer w. At
- most size wchar_t characters are copied.
-
- Returns the number of wchar_t characters copied or -1 in case of an
- error. */
-
- extern DL_IMPORT(int) PyUnicode_AsWideChar(
- PyUnicodeObject *unicode, /* Unicode object */
- register wchar_t *w, /* wchar_t buffer */
- int size /* size of buffer */
- );
-
- #endif
-
- /* === 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 unicode() API.
-
- 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
- error handling for all builtin codecs is "strict" (ValueErrors are
- raised).
-
- The codecs all use a similar interface. Only deviation from the
- generic ones are documented.
-
- */
-
- /* --- Manage the default encoding ---------------------------------------- */
-
- /* 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.
-
- */
-
- extern DL_IMPORT(const char*) PyUnicode_GetDefaultEncoding(void);
-
- /* Sets the currently active default encoding.
-
- Returns 0 on success, -1 in case of an error.
-
- */
-
- extern DL_IMPORT(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
- given size. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Decode(
- const char *s, /* encoded string */
- int size, /* size of buffer */
- const char *encoding, /* encoding */
- const char *errors /* error handling */
- );
-
- /* Encodes a Py_UNICODE buffer of the given size and returns a
- Python string object. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Encode(
- const Py_UNICODE *s, /* Unicode char buffer */
- int 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 string
- object. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsEncodedString(
- PyObject *unicode, /* Unicode object */
- const char *encoding, /* encoding */
- const char *errors /* error handling */
- );
-
- /* --- UTF-8 Codecs ------------------------------------------------------- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeUTF8(
- const char *string, /* UTF-8 encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsUTF8String(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeUTF8(
- const Py_UNICODE *data, /* Unicode char buffer */
- int length, /* number of Py_UNICODE chars to encode */
- const char *errors /* error handling */
- );
-
- /* --- UTF-16 Codecs ------------------------------------------------------ */
-
- /* Decodes length bytes from a UTF-16 encoded buffer string and returns
- the corresponding Unicode object.
-
- errors (if non-NULL) defines the error handling. It defaults
- to "strict".
-
- If byteorder is non-NULL, the decoder starts decoding using the
- given byte order:
-
- *byteorder == -1: little endian
- *byteorder == 0: native order
- *byteorder == 1: big endian
-
- and then switches according to all BOM marks it finds in the input
- data. BOM marks are not copied into the resulting Unicode string.
- After completion, *byteorder is set to the current byte order at
- the end of input data.
-
- If byteorder is NULL, the codec starts in native order mode.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeUTF16(
- const char *string, /* UTF-16 encoded string */
- int length, /* size of string */
- const char *errors, /* error handling */
- int *byteorder /* pointer to byteorder to use
- 0=native;-1=LE,1=BE; updated on
- exit */
- );
-
- /* Returns a Python string using the UTF-16 encoding in native byte
- order. The string always starts with a BOM mark. */
-
- extern DL_IMPORT(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.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeUTF16(
- const Py_UNICODE *data, /* Unicode char buffer */
- int 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 ---------------------------------------------- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeUnicodeEscape(
- const char *string, /* Unicode-Escape encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsUnicodeEscapeString(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeUnicodeEscape(
- const Py_UNICODE *data, /* Unicode char buffer */
- int length /* Number of Py_UNICODE chars to encode */
- );
-
- /* --- Raw-Unicode-Escape Codecs ------------------------------------------ */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeRawUnicodeEscape(
- const char *string, /* Raw-Unicode-Escape encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsRawUnicodeEscapeString(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeRawUnicodeEscape(
- const Py_UNICODE *data, /* Unicode char buffer */
- int length /* Number of Py_UNICODE chars to encode */
- );
-
- /* --- Latin-1 Codecs -----------------------------------------------------
-
- Note: Latin-1 corresponds to the first 256 Unicode ordinals.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeLatin1(
- const char *string, /* Latin-1 encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsLatin1String(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeLatin1(
- const Py_UNICODE *data, /* Unicode char buffer */
- int 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.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeASCII(
- const char *string, /* ASCII encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsASCIIString(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeASCII(
- const Py_UNICODE *data, /* Unicode char buffer */
- int 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 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).
-
- 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.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeCharmap(
- const char *string, /* Encoded string */
- int length, /* size of string */
- PyObject *mapping, /* character mapping
- (char ordinal -> unicode ordinal) */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsCharmapString(
- PyObject *unicode, /* Unicode object */
- PyObject *mapping /* character mapping
- (unicode ordinal -> char ordinal) */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeCharmap(
- const Py_UNICODE *data, /* Unicode char buffer */
- int 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.
-
- */
-
- extern DL_IMPORT(PyObject *) PyUnicode_TranslateCharmap(
- const Py_UNICODE *data, /* Unicode char buffer */
- int length, /* Number of Py_UNICODE chars to encode */
- PyObject *table, /* Translate table */
- const char *errors /* error handling */
- );
-
- #ifdef MS_WIN32
-
- /* --- MBCS codecs for Windows -------------------------------------------- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_DecodeMBCS(
- const char *string, /* MBCS encoded string */
- int length, /* size of string */
- const char *errors /* error handling */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_AsMBCSString(
- PyObject *unicode /* Unicode object */
- );
-
- extern DL_IMPORT(PyObject*) PyUnicode_EncodeMBCS(
- const Py_UNICODE *data, /* Unicode char buffer */
- int length, /* Number of Py_UNICODE chars to encode */
- const char *errors /* error handling */
- );
-
- #endif /* MS_WIN32 */
-
- /* --- Decimal Encoder ---------------------------------------------------- */
-
- /* Takes a Unicode string holding a decimal value and writes it into
- an output buffer using standard ASCII digit codes.
-
- The output buffer has to provide at least length+1 bytes of storage
- area. The output string is 0-terminated.
-
- 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.
-
- Error handling is defined by the errors argument:
-
- NULL or "strict": raise a ValueError
- "ignore": ignore the wrong characters (these are not copied to the
- output buffer)
- "replace": replaces illegal characters with '?'
-
- Returns 0 on success, -1 on failure.
-
- */
-
- extern DL_IMPORT(int) PyUnicode_EncodeDecimal(
- Py_UNICODE *s, /* Unicode buffer */
- int length, /* Number of Py_UNICODE chars to encode */
- char *output, /* Output buffer; must have size >= length */
- const char *errors /* error handling */
- );
-
- /* --- Methods & Slots ----------------------------------------------------
-
- These are capable of handling Unicode objects and strings on input
- (we refer to them as strings in the descriptions) and return
- Unicode objects or integers as apporpriate. */
-
- /* Concat two strings giving a new Unicode string. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Concat(
- PyObject *left, /* 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
- substrings. Otherwise, splits occur at the given separator.
-
- At most maxsplit splits will be done. If negative, no limit is set.
-
- Separators are not included in the resulting list.
-
- */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Split(
- PyObject *s, /* String to split */
- PyObject *sep, /* String separator */
- int maxsplit /* Maxsplit count */
- );
-
- /* Dito, but split at line breaks.
-
- CRLF is considered to be one line break. Line breaks are not
- included in the resulting list. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Splitlines(
- PyObject *s, /* String to split */
- int keepends /* If true, line end markers are included */
- );
-
- /* 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
- 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.
-
- */
-
- extern DL_IMPORT(PyObject *) PyUnicode_Translate(
- PyObject *str, /* String */
- PyObject *table, /* Translate table */
- const char *errors /* error handling */
- );
-
- /* Join a sequence of strings using the given separator and return
- the resulting Unicode string. */
-
- extern DL_IMPORT(PyObject*) PyUnicode_Join(
- PyObject *separator, /* Separator string */
- PyObject *seq /* Sequence object */
- );
-
- /* Return 1 if substr matches str[start:end] at the given tail end, 0
- otherwise. */
-
- extern DL_IMPORT(int) PyUnicode_Tailmatch(
- PyObject *str, /* String */
- PyObject *substr, /* Prefix or Suffix string */
- int start, /* Start index */
- int end, /* Stop index */
- int direction /* Tail end: -1 prefix, +1 suffix */
- );
-
- /* Return the first position of substr in str[start:end] using the
- given search direction or -1 if not found. */
-
- extern DL_IMPORT(int) PyUnicode_Find(
- PyObject *str, /* String */
- PyObject *substr, /* Substring to find */
- int start, /* Start index */
- int end, /* Stop index */
- int direction /* Find direction: +1 forward, -1 backward */
- );
-
- /* Count the number of occurrences of substr in str[start:end]. */
-
- extern DL_IMPORT(int) PyUnicode_Count(
- PyObject *str, /* String */
- PyObject *substr, /* Substring to count */
- int start, /* Start index */
- int end /* Stop index */
- );
-
- /* Replace at most maxcount occurrences of substr in str with replstr
- and return the resulting Unicode object. */
-
- extern DL_IMPORT(PyObject *) PyUnicode_Replace(
- PyObject *str, /* String */
- PyObject *substr, /* Substring to find */
- PyObject *replstr, /* Substring to replace */
- int maxcount /* Max. number of replacements to apply;
- -1 = all */
- );
-
- /* Compare two strings and return -1, 0, 1 for less than, equal,
- greater than resp. */
-
- extern DL_IMPORT(int) PyUnicode_Compare(
- PyObject *left, /* Left string */
- PyObject *right /* Right string */
- );
-
- /* Apply a argument tuple or dictionary to a format string and return
- the resulting Unicode string. */
-
- extern DL_IMPORT(PyObject *) PyUnicode_Format(
- PyObject *format, /* Format string */
- PyObject *args /* Argument tuple or dictionary */
- );
-
- /* Checks whether element is contained in container and return 1/0
- accordingly.
-
- element has to coerce to an one element Unicode string. -1 is
- returned in case of an error. */
-
- extern DL_IMPORT(int) PyUnicode_Contains(
- PyObject *container, /* Container string */
- PyObject *element /* Element string */
- );
-
- /* === Characters Type APIs =============================================== */
-
- /* 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.
-
- */
-
- extern DL_IMPORT(int) _PyUnicode_IsLowercase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsUppercase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsTitlecase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsWhitespace(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsLinebreak(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(Py_UNICODE) _PyUnicode_ToLowercase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(Py_UNICODE) _PyUnicode_ToUppercase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(Py_UNICODE) _PyUnicode_ToTitlecase(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_ToDecimalDigit(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_ToDigit(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(double) _PyUnicode_ToNumeric(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsDecimalDigit(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsDigit(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsNumeric(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- extern DL_IMPORT(int) _PyUnicode_IsAlpha(
- register const Py_UNICODE ch /* Unicode character */
- );
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_UNICODEOBJECT_H */
-