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1034 lines
35 KiB
1034 lines
35 KiB
#ifndef Py_UNICODEOBJECT_H
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#define Py_UNICODEOBJECT_H
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#include <stdarg.h>
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/*
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Unicode implementation based on original code by Fredrik Lundh,
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modified by Marc-Andre Lemburg (mal@lemburg.com) according to the
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Unicode Integration Proposal. (See
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http://www.egenix.com/files/python/unicode-proposal.txt).
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Copyright (c) Corporation for National Research Initiatives.
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Original header:
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--------------------------------------------------------------------
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* Yet another Unicode string type for Python. This type supports the
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* 16-bit Basic Multilingual Plane (BMP) only.
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*
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* Written by Fredrik Lundh, January 1999.
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*
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* Copyright (c) 1999 by Secret Labs AB.
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* Copyright (c) 1999 by Fredrik Lundh.
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*
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* fredrik@pythonware.com
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* http://www.pythonware.com
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*
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* --------------------------------------------------------------------
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* This Unicode String Type is
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*
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* Copyright (c) 1999 by Secret Labs AB
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* Copyright (c) 1999 by Fredrik Lundh
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*
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* By obtaining, using, and/or copying this software and/or its
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* associated documentation, you agree that you have read, understood,
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* and will comply with the following terms and conditions:
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*
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* Permission to use, copy, modify, and distribute this software and its
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* associated documentation for any purpose and without fee is hereby
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* granted, provided that the above copyright notice appears in all
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* copies, and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of Secret Labs
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* AB or the author not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission.
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*
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* SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* -------------------------------------------------------------------- */
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#include <ctype.h>
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/* === Internal API ======================================================= */
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/* --- Internal Unicode Format -------------------------------------------- */
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/* Python 3.x requires unicode */
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#define Py_USING_UNICODE
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#ifndef SIZEOF_WCHAR_T
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#error Must define SIZEOF_WCHAR_T
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#endif
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#define Py_UNICODE_SIZE SIZEOF_WCHAR_T
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/* If wchar_t can be used for UCS-4 storage, set Py_UNICODE_WIDE.
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Otherwise, Unicode strings are stored as UCS-2 (with limited support
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for UTF-16) */
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#if Py_UNICODE_SIZE >= 4
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#define Py_UNICODE_WIDE
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#endif
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/* Set these flags if the platform has "wchar.h" and the
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wchar_t type is a 16-bit unsigned type */
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/* #define HAVE_WCHAR_H */
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/* #define HAVE_USABLE_WCHAR_T */
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/* If the compiler provides a wchar_t type we try to support it
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through the interface functions PyUnicode_FromWideChar(),
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PyUnicode_AsWideChar() and PyUnicode_AsWideCharString(). */
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#ifdef HAVE_USABLE_WCHAR_T
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# ifndef HAVE_WCHAR_H
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# define HAVE_WCHAR_H
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# endif
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#endif
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#ifdef HAVE_WCHAR_H
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# include <wchar.h>
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#endif
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/* Py_UCS4 and Py_UCS2 are typedefs for the respective
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unicode representations. */
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typedef uint32_t Py_UCS4;
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typedef uint16_t Py_UCS2;
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typedef uint8_t Py_UCS1;
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#ifdef __cplusplus
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extern "C" {
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#endif
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PyAPI_DATA(PyTypeObject) PyUnicode_Type;
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PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type;
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#define PyUnicode_Check(op) \
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PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_UNICODE_SUBCLASS)
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#define PyUnicode_CheckExact(op) Py_IS_TYPE(op, &PyUnicode_Type)
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/* --- Constants ---------------------------------------------------------- */
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/* This Unicode character will be used as replacement character during
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decoding if the errors argument is set to "replace". Note: the
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Unicode character U+FFFD is the official REPLACEMENT CHARACTER in
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Unicode 3.0. */
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#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UCS4) 0xFFFD)
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/* === Public API ========================================================= */
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/* Similar to PyUnicode_FromUnicode(), but u points to UTF-8 encoded bytes */
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PyAPI_FUNC(PyObject*) PyUnicode_FromStringAndSize(
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const char *u, /* UTF-8 encoded string */
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Py_ssize_t size /* size of buffer */
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);
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/* Similar to PyUnicode_FromUnicode(), but u points to null-terminated
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UTF-8 encoded bytes. The size is determined with strlen(). */
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PyAPI_FUNC(PyObject*) PyUnicode_FromString(
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const char *u /* UTF-8 encoded string */
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);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
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PyAPI_FUNC(PyObject*) PyUnicode_Substring(
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PyObject *str,
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Py_ssize_t start,
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Py_ssize_t end);
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#endif
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
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/* Copy the string into a UCS4 buffer including the null character if copy_null
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is set. Return NULL and raise an exception on error. Raise a SystemError if
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the buffer is smaller than the string. Return buffer on success.
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buflen is the length of the buffer in (Py_UCS4) characters. */
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PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4(
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PyObject *unicode,
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Py_UCS4* buffer,
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Py_ssize_t buflen,
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int copy_null);
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/* Copy the string into a UCS4 buffer. A new buffer is allocated using
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* PyMem_Malloc; if this fails, NULL is returned with a memory error
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exception set. */
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PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4Copy(PyObject *unicode);
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#endif
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
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/* Get the length of the Unicode object. */
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PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength(
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PyObject *unicode
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);
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#endif
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/* Get the number of Py_UNICODE units in the
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string representation. */
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Py_DEPRECATED(3.3) PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize(
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PyObject *unicode /* Unicode object */
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);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
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/* Read a character from the string. */
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PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar(
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PyObject *unicode,
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Py_ssize_t index
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);
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/* Write a character to the string. The string must have been created through
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PyUnicode_New, must not be shared, and must not have been hashed yet.
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Return 0 on success, -1 on error. */
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PyAPI_FUNC(int) PyUnicode_WriteChar(
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PyObject *unicode,
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Py_ssize_t index,
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Py_UCS4 character
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);
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#endif
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/* Resize a Unicode object. The length is the number of characters, except
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if the kind of the string is PyUnicode_WCHAR_KIND: in this case, the length
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is the number of Py_UNICODE characters.
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*unicode is modified to point to the new (resized) object and 0
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returned on success.
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Try to resize the string in place (which is usually faster than allocating
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a new string and copy characters), or create a new string.
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Error handling is implemented as follows: an exception is set, -1
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is returned and *unicode left untouched.
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WARNING: The function doesn't check string content, the result may not be a
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string in canonical representation. */
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PyAPI_FUNC(int) PyUnicode_Resize(
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PyObject **unicode, /* Pointer to the Unicode object */
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Py_ssize_t length /* New length */
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);
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/* Decode obj to a Unicode object.
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bytes, bytearray and other bytes-like objects are decoded according to the
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given encoding and error handler. The encoding and error handler can be
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NULL to have the interface use UTF-8 and "strict".
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All other objects (including Unicode objects) raise an exception.
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The API returns NULL in case of an error. The caller is responsible
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for decref'ing the returned objects.
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*/
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PyAPI_FUNC(PyObject*) PyUnicode_FromEncodedObject(
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PyObject *obj, /* Object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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/* Copy an instance of a Unicode subtype to a new true Unicode object if
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necessary. If obj is already a true Unicode object (not a subtype), return
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the reference with *incremented* refcount.
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The API returns NULL in case of an error. The caller is responsible
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for decref'ing the returned objects.
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*/
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PyAPI_FUNC(PyObject*) PyUnicode_FromObject(
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PyObject *obj /* Object */
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);
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PyAPI_FUNC(PyObject *) PyUnicode_FromFormatV(
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const char *format, /* ASCII-encoded string */
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va_list vargs
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);
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PyAPI_FUNC(PyObject *) PyUnicode_FromFormat(
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const char *format, /* ASCII-encoded string */
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...
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);
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PyAPI_FUNC(void) PyUnicode_InternInPlace(PyObject **);
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PyAPI_FUNC(void) PyUnicode_InternImmortal(PyObject **);
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PyAPI_FUNC(PyObject *) PyUnicode_InternFromString(
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const char *u /* UTF-8 encoded string */
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);
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/* Use only if you know it's a string */
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#define PyUnicode_CHECK_INTERNED(op) \
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(((PyASCIIObject *)(op))->state.interned)
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/* --- wchar_t support for platforms which support it --------------------- */
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#ifdef HAVE_WCHAR_H
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/* Create a Unicode Object from the wchar_t buffer w of the given
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size.
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The buffer is copied into the new object. */
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PyAPI_FUNC(PyObject*) PyUnicode_FromWideChar(
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const wchar_t *w, /* wchar_t buffer */
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Py_ssize_t size /* size of buffer */
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);
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/* Copies the Unicode Object contents into the wchar_t buffer w. At
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most size wchar_t characters are copied.
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Note that the resulting wchar_t string may or may not be
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0-terminated. It is the responsibility of the caller to make sure
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that the wchar_t string is 0-terminated in case this is required by
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the application.
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Returns the number of wchar_t characters copied (excluding a
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possibly trailing 0-termination character) or -1 in case of an
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error. */
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PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar(
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PyObject *unicode, /* Unicode object */
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wchar_t *w, /* wchar_t buffer */
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Py_ssize_t size /* size of buffer */
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);
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/* Convert the Unicode object to a wide character string. The output string
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always ends with a nul character. If size is not NULL, write the number of
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wide characters (excluding the null character) into *size.
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Returns a buffer allocated by PyMem_Malloc() (use PyMem_Free() to free it)
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on success. On error, returns NULL, *size is undefined and raises a
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MemoryError. */
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PyAPI_FUNC(wchar_t*) PyUnicode_AsWideCharString(
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PyObject *unicode, /* Unicode object */
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Py_ssize_t *size /* number of characters of the result */
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);
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#endif
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/* --- Unicode ordinals --------------------------------------------------- */
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/* Create a Unicode Object from the given Unicode code point ordinal.
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The ordinal must be in range(0x110000). A ValueError is
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raised in case it is not.
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*/
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PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal);
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/* === Builtin Codecs =====================================================
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Many of these APIs take two arguments encoding and errors. These
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parameters encoding and errors have the same semantics as the ones
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of the builtin str() API.
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Setting encoding to NULL causes the default encoding (UTF-8) to be used.
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Error handling is set by errors which may also be set to NULL
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meaning to use the default handling defined for the codec. Default
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error handling for all builtin codecs is "strict" (ValueErrors are
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raised).
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The codecs all use a similar interface. Only deviation from the
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generic ones are documented.
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*/
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/* --- Manage the default encoding ---------------------------------------- */
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/* Returns "utf-8". */
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PyAPI_FUNC(const char*) PyUnicode_GetDefaultEncoding(void);
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/* --- Generic Codecs ----------------------------------------------------- */
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/* Create a Unicode object by decoding the encoded string s of the
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given size. */
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PyAPI_FUNC(PyObject*) PyUnicode_Decode(
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const char *s, /* encoded string */
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Py_ssize_t size, /* size of buffer */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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/* Decode a Unicode object unicode and return the result as Python
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object.
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This API is DEPRECATED. The only supported standard encoding is rot13.
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Use PyCodec_Decode() to decode with rot13 and non-standard codecs
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that decode from str. */
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Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedObject(
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PyObject *unicode, /* Unicode object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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/* Decode a Unicode object unicode and return the result as Unicode
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object.
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This API is DEPRECATED. The only supported standard encoding is rot13.
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Use PyCodec_Decode() to decode with rot13 and non-standard codecs
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that decode from str to str. */
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Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedUnicode(
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PyObject *unicode, /* Unicode object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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/* Encodes a Unicode object and returns the result as Python
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object.
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This API is DEPRECATED. It is superseded by PyUnicode_AsEncodedString()
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since all standard encodings (except rot13) encode str to bytes.
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Use PyCodec_Encode() for encoding with rot13 and non-standard codecs
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that encode form str to non-bytes. */
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Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedObject(
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PyObject *unicode, /* Unicode object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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/* Encodes a Unicode object and returns the result as Python string
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object. */
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PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedString(
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PyObject *unicode, /* Unicode object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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|
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/* Encodes a Unicode object and returns the result as Unicode
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object.
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This API is DEPRECATED. The only supported standard encodings is rot13.
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Use PyCodec_Encode() to encode with rot13 and non-standard codecs
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that encode from str to str. */
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|
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Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedUnicode(
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PyObject *unicode, /* Unicode object */
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const char *encoding, /* encoding */
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const char *errors /* error handling */
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);
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|
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/* Build an encoding map. */
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|
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PyAPI_FUNC(PyObject*) PyUnicode_BuildEncodingMap(
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PyObject* string /* 256 character map */
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);
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|
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/* --- UTF-7 Codecs ------------------------------------------------------- */
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PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7(
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const char *string, /* UTF-7 encoded string */
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Py_ssize_t length, /* size of string */
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|
const char *errors /* error handling */
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);
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|
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PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7Stateful(
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const char *string, /* UTF-7 encoded string */
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Py_ssize_t length, /* size of string */
|
|
const char *errors, /* error handling */
|
|
Py_ssize_t *consumed /* bytes consumed */
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);
|
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|
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/* --- UTF-8 Codecs ------------------------------------------------------- */
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PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8(
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|
const char *string, /* UTF-8 encoded string */
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|
Py_ssize_t length, /* size of string */
|
|
const char *errors /* error handling */
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);
|
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|
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PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8Stateful(
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const char *string, /* UTF-8 encoded string */
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Py_ssize_t length, /* size of string */
|
|
const char *errors, /* error handling */
|
|
Py_ssize_t *consumed /* bytes consumed */
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);
|
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|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsUTF8String(
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|
PyObject *unicode /* Unicode object */
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|
);
|
|
|
|
/* --- UTF-32 Codecs ------------------------------------------------------ */
|
|
|
|
/* Decodes length bytes from a UTF-32 encoded buffer string and returns
|
|
the corresponding Unicode object.
|
|
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|
errors (if non-NULL) defines the error handling. It defaults
|
|
to "strict".
|
|
|
|
If byteorder is non-NULL, the decoder starts decoding using the
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|
given byte order:
|
|
|
|
*byteorder == -1: little endian
|
|
*byteorder == 0: native order
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|
*byteorder == 1: big endian
|
|
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|
In native mode, the first four bytes of the stream are checked for a
|
|
BOM mark. If found, the BOM mark is analysed, the byte order
|
|
adjusted and the BOM skipped. In the other modes, no BOM mark
|
|
interpretation is done. After completion, *byteorder is set to the
|
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current byte order at the end of input data.
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If byteorder is NULL, the codec starts in native order mode.
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*/
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PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32(
|
|
const char *string, /* UTF-32 encoded string */
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Py_ssize_t length, /* size of string */
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|
const char *errors, /* error handling */
|
|
int *byteorder /* pointer to byteorder to use
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|
0=native;-1=LE,1=BE; updated on
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exit */
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);
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|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32Stateful(
|
|
const char *string, /* UTF-32 encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors, /* error handling */
|
|
int *byteorder, /* pointer to byteorder to use
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|
0=native;-1=LE,1=BE; updated on
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exit */
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|
Py_ssize_t *consumed /* bytes consumed */
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);
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|
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/* Returns a Python string using the UTF-32 encoding in native byte
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|
order. The string always starts with a BOM mark. */
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|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsUTF32String(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
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/* Returns a Python string object holding the UTF-32 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.
|
|
|
|
*/
|
|
|
|
/* --- 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
|
|
|
|
In native mode, the first two bytes of the stream are checked for a
|
|
BOM mark. If found, the BOM mark is analysed, the byte order
|
|
adjusted and the BOM skipped. In the other modes, no BOM mark
|
|
interpretation is done. 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.
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16(
|
|
const char *string, /* UTF-16 encoded string */
|
|
Py_ssize_t 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 */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16Stateful(
|
|
const char *string, /* UTF-16 encoded string */
|
|
Py_ssize_t 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 */
|
|
Py_ssize_t *consumed /* bytes consumed */
|
|
);
|
|
|
|
/* Returns a Python string using the UTF-16 encoding in native byte
|
|
order. The string always starts with a BOM mark. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsUTF16String(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
|
/* --- Unicode-Escape Codecs ---------------------------------------------- */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeUnicodeEscape(
|
|
const char *string, /* Unicode-Escape encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsUnicodeEscapeString(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
|
/* --- Raw-Unicode-Escape Codecs ------------------------------------------ */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeRawUnicodeEscape(
|
|
const char *string, /* Raw-Unicode-Escape encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsRawUnicodeEscapeString(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
|
/* --- Latin-1 Codecs -----------------------------------------------------
|
|
|
|
Note: Latin-1 corresponds to the first 256 Unicode ordinals. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeLatin1(
|
|
const char *string, /* Latin-1 encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsLatin1String(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
|
/* --- ASCII Codecs -------------------------------------------------------
|
|
|
|
Only 7-bit ASCII data is excepted. All other codes generate errors.
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeASCII(
|
|
const char *string, /* ASCII encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsASCIIString(
|
|
PyObject *unicode /* Unicode object */
|
|
);
|
|
|
|
/* --- 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.
|
|
|
|
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.
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeCharmap(
|
|
const char *string, /* Encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
PyObject *mapping, /* decoding mapping */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_AsCharmapString(
|
|
PyObject *unicode, /* Unicode object */
|
|
PyObject *mapping /* encoding mapping */
|
|
);
|
|
|
|
/* --- 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 */
|
|
const char *errors /* error handling */
|
|
);
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful(
|
|
const char *string, /* MBCS encoded string */
|
|
Py_ssize_t length, /* size of string */
|
|
const char *errors, /* error handling */
|
|
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 */
|
|
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. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocaleAndSize(
|
|
const char *str,
|
|
Py_ssize_t len,
|
|
const char *errors);
|
|
|
|
/* Similar to PyUnicode_DecodeLocaleAndSize(), but compute the string
|
|
length using strlen(). */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocale(
|
|
const char *str,
|
|
const char *errors);
|
|
|
|
/* 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
|
|
|
|
/* --- File system encoding ---------------------------------------------- */
|
|
|
|
/* ParseTuple converter: encode str objects to bytes using
|
|
PyUnicode_EncodeFSDefault(); bytes objects are output as-is. */
|
|
|
|
PyAPI_FUNC(int) PyUnicode_FSConverter(PyObject*, void*);
|
|
|
|
/* 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
|
|
);
|
|
|
|
/* --- 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 appropriate. */
|
|
|
|
/* Concat two strings giving a new Unicode string. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_Concat(
|
|
PyObject *left, /* Left string */
|
|
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
|
|
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.
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_Split(
|
|
PyObject *s, /* String to split */
|
|
PyObject *sep, /* String separator */
|
|
Py_ssize_t 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. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_Splitlines(
|
|
PyObject *s, /* String to split */
|
|
int keepends /* If true, line end markers are included */
|
|
);
|
|
|
|
/* Partition a string using a given separator. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_Partition(
|
|
PyObject *s, /* String to partition */
|
|
PyObject *sep /* String separator */
|
|
);
|
|
|
|
/* Partition a string using a given separator, searching from the end of the
|
|
string. */
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_RPartition(
|
|
PyObject *s, /* String to partition */
|
|
PyObject *sep /* String separator */
|
|
);
|
|
|
|
/* 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. But unlike PyUnicode_Split
|
|
PyUnicode_RSplit splits from the end of the string. If negative,
|
|
no limit is set.
|
|
|
|
Separators are not included in the resulting list.
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject*) PyUnicode_RSplit(
|
|
PyObject *s, /* String to split */
|
|
PyObject *sep, /* String separator */
|
|
Py_ssize_t maxsplit /* Maxsplit count */
|
|
);
|
|
|
|
/* 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).
|
|
|
|
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_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. */
|
|
|
|
PyAPI_FUNC(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. */
|
|
|
|
PyAPI_FUNC(Py_ssize_t) PyUnicode_Tailmatch(
|
|
PyObject *str, /* String */
|
|
PyObject *substr, /* Prefix or Suffix string */
|
|
Py_ssize_t start, /* Start index */
|
|
Py_ssize_t 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. -2 is returned in case
|
|
an error occurred and an exception is set. */
|
|
|
|
PyAPI_FUNC(Py_ssize_t) PyUnicode_Find(
|
|
PyObject *str, /* String */
|
|
PyObject *substr, /* Substring to find */
|
|
Py_ssize_t start, /* Start index */
|
|
Py_ssize_t end, /* Stop index */
|
|
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(
|
|
PyObject *str, /* String */
|
|
PyObject *substr, /* Substring to count */
|
|
Py_ssize_t start, /* Start index */
|
|
Py_ssize_t end /* Stop index */
|
|
);
|
|
|
|
/* Replace at most maxcount occurrences of substr in str with replstr
|
|
and return the resulting Unicode object. */
|
|
|
|
PyAPI_FUNC(PyObject *) PyUnicode_Replace(
|
|
PyObject *str, /* String */
|
|
PyObject *substr, /* Substring to find */
|
|
PyObject *replstr, /* Substring to replace */
|
|
Py_ssize_t maxcount /* Max. number of replacements to apply;
|
|
-1 = all */
|
|
);
|
|
|
|
/* Compare two strings and return -1, 0, 1 for less than, equal,
|
|
greater than resp.
|
|
Raise an exception and return -1 on error. */
|
|
|
|
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
|
|
|
|
Possible values for op:
|
|
|
|
Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE
|
|
|
|
*/
|
|
|
|
PyAPI_FUNC(PyObject *) PyUnicode_RichCompare(
|
|
PyObject *left, /* Left string */
|
|
PyObject *right, /* Right string */
|
|
int op /* Operation: Py_EQ, Py_NE, Py_GT, etc. */
|
|
);
|
|
|
|
/* Apply an argument tuple or dictionary to a format string and return
|
|
the resulting Unicode string. */
|
|
|
|
PyAPI_FUNC(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 a one element Unicode string. -1 is
|
|
returned in case of an error. */
|
|
|
|
PyAPI_FUNC(int) PyUnicode_Contains(
|
|
PyObject *container, /* Container string */
|
|
PyObject *element /* Element string */
|
|
);
|
|
|
|
/* Checks whether argument is a valid identifier. */
|
|
|
|
PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s);
|
|
|
|
/* === Characters Type APIs =============================================== */
|
|
|
|
#ifndef Py_LIMITED_API
|
|
# define Py_CPYTHON_UNICODEOBJECT_H
|
|
# include "cpython/unicodeobject.h"
|
|
# undef Py_CPYTHON_UNICODEOBJECT_H
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_UNICODEOBJECT_H */
|