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-rw-r--r--Include/unicodeobject.h1030
1 files changed, 741 insertions, 289 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 379a90c..486d4fa 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -64,16 +64,15 @@ Copyright (c) Corporation for National Research Initiatives.
/* Python 3.x requires unicode */
#define Py_USING_UNICODE
-/* 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 */
-
-#ifndef Py_UNICODE_SIZE
-#error Must define Py_UNICODE_SIZE
+#ifndef SIZEOF_WCHAR_T
+#error Must define SIZEOF_WCHAR_T
#endif
-/* Setting Py_UNICODE_WIDE enables UCS-4 storage. Otherwise, Unicode
- strings are stored as UCS-2 (with limited support for UTF-16) */
+#define Py_UNICODE_SIZE SIZEOF_WCHAR_T
+
+/* 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) */
#if Py_UNICODE_SIZE >= 4
#define Py_UNICODE_WIDE
@@ -84,19 +83,14 @@ Copyright (c) Corporation for National Research Initiatives.
/* #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
+/* Py_UNICODE was the native Unicode storage format (code unit) used by
+ Python and represents a single Unicode element in the Unicode type.
+ With PEP 393, Py_UNICODE is deprecated and replaced with a
+ typedef to wchar_t. */
+#ifndef Py_LIMITED_API
+#define PY_UNICODE_TYPE wchar_t
+typedef wchar_t Py_UNICODE;
#endif
/* If the compiler provides a wchar_t type we try to support it
@@ -109,6 +103,10 @@ Copyright (c) Corporation for National Research Initiatives.
# endif
#endif
+#if defined(MS_WINDOWS)
+# define HAVE_MBCS
+#endif
+
#ifdef HAVE_WCHAR_H
/* Work around a cosmetic bug in BSDI 4.x wchar.h; thanks to Thomas Wouters */
# ifdef _HAVE_BSDI
@@ -117,201 +115,24 @@ Copyright (c) Corporation for National Research Initiatives.
# include <wchar.h>
#endif
-/*
- * Use this typedef when you need to represent a UTF-16 surrogate pair
- * as single unsigned integer.
- */
-#if SIZEOF_INT >= 4
+/* Py_UCS4 and Py_UCS2 are typedefs for the respective
+ unicode representations. */
+#if SIZEOF_INT == 4
typedef unsigned int Py_UCS4;
-#elif SIZEOF_LONG >= 4
+#elif SIZEOF_LONG == 4
typedef unsigned long Py_UCS4;
+#else
+#error "Could not find a proper typedef for 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. */
-
-#ifndef Py_LIMITED_API
-typedef PY_UNICODE_TYPE Py_UNICODE;
-#endif
-
-/* --- 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_AsDecodedObject PyUnicodeUCS2_AsDecodedObject
-# define PyUnicode_AsDecodedUnicode PyUnicodeUCS2_AsDecodedUnicode
-# define PyUnicode_AsEncodedObject PyUnicodeUCS2_AsEncodedObject
-# define PyUnicode_AsEncodedString PyUnicodeUCS2_AsEncodedString
-# define PyUnicode_AsEncodedUnicode PyUnicodeUCS2_AsEncodedUnicode
-# 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_AsWideCharString PyUnicodeUCS2_AsWideCharString
-# define PyUnicode_ClearFreeList PyUnicodeUCS2_ClearFreelist
-# define PyUnicode_Compare PyUnicodeUCS2_Compare
-# define PyUnicode_CompareWithASCIIString PyUnicodeUCS2_CompareWithASCIIString
-# define PyUnicode_Concat PyUnicodeUCS2_Concat
-# define PyUnicode_Append PyUnicodeUCS2_Append
-# define PyUnicode_AppendAndDel PyUnicodeUCS2_AppendAndDel
-# 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_DecodeFSDefault PyUnicodeUCS2_DecodeFSDefault
-# define PyUnicode_DecodeFSDefaultAndSize PyUnicodeUCS2_DecodeFSDefaultAndSize
-# 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_FSConverter PyUnicodeUCS2_FSConverter
-# define PyUnicode_FSDecoder PyUnicodeUCS2_FSDecoder
-# define PyUnicode_GetDefaultEncoding PyUnicodeUCS2_GetDefaultEncoding
-# define PyUnicode_GetMax PyUnicodeUCS2_GetMax
-# define PyUnicode_GetSize PyUnicodeUCS2_GetSize
-# define PyUnicode_IsIdentifier PyUnicodeUCS2_IsIdentifier
-# 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_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_strdup PyUnicodeUCS2_strdup
-
+#if SIZEOF_SHORT == 2
+typedef unsigned short Py_UCS2;
#else
-
-# define PyUnicode_AsASCIIString PyUnicodeUCS4_AsASCIIString
-# define PyUnicode_AsCharmapString PyUnicodeUCS4_AsCharmapString
-# define PyUnicode_AsDecodedObject PyUnicodeUCS4_AsDecodedObject
-# define PyUnicode_AsDecodedUnicode PyUnicodeUCS4_AsDecodedUnicode
-# define PyUnicode_AsEncodedObject PyUnicodeUCS4_AsEncodedObject
-# define PyUnicode_AsEncodedString PyUnicodeUCS4_AsEncodedString
-# define PyUnicode_AsEncodedUnicode PyUnicodeUCS4_AsEncodedUnicode
-# 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_AsWideCharString PyUnicodeUCS4_AsWideCharString
-# define PyUnicode_ClearFreeList PyUnicodeUCS4_ClearFreelist
-# define PyUnicode_Compare PyUnicodeUCS4_Compare
-# define PyUnicode_CompareWithASCIIString PyUnicodeUCS4_CompareWithASCIIString
-# define PyUnicode_Concat PyUnicodeUCS4_Concat
-# define PyUnicode_Append PyUnicodeUCS4_Append
-# define PyUnicode_AppendAndDel PyUnicodeUCS4_AppendAndDel
-# 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_DecodeFSDefault PyUnicodeUCS4_DecodeFSDefault
-# define PyUnicode_DecodeFSDefaultAndSize PyUnicodeUCS4_DecodeFSDefaultAndSize
-# 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_FSConverter PyUnicodeUCS4_FSConverter
-# define PyUnicode_FSDecoder PyUnicodeUCS4_FSDecoder
-# define PyUnicode_GetDefaultEncoding PyUnicodeUCS4_GetDefaultEncoding
-# define PyUnicode_GetMax PyUnicodeUCS4_GetMax
-# define PyUnicode_GetSize PyUnicodeUCS4_GetSize
-# define PyUnicode_IsIdentifier PyUnicodeUCS4_IsIdentifier
-# 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_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_strdup PyUnicodeUCS4_strdup
-
+#error "Could not find a proper typedef for Py_UCS2"
#endif
+typedef unsigned char Py_UCS1;
+
/* --- Internal Unicode Operations ---------------------------------------- */
/* Since splitting on whitespace is an important use case, and
@@ -350,7 +171,7 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
Py_UNICODE_ISDIGIT(ch) || \
Py_UNICODE_ISNUMERIC(ch))
-#define Py_UNICODE_COPY(target, source, length) \
+#define Py_UNICODE_COPY(target, source, length) \
Py_MEMCPY((target), (source), (length)*sizeof(Py_UNICODE))
#define Py_UNICODE_FILL(target, value, length) \
@@ -358,13 +179,27 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
} while (0)
+/* macros to work with surrogates */
+#define Py_UNICODE_IS_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDFFF)
+#define Py_UNICODE_IS_HIGH_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDBFF)
+#define Py_UNICODE_IS_LOW_SURROGATE(ch) (0xDC00 <= ch && ch <= 0xDFFF)
+/* Join two surrogate characters and return a single Py_UCS4 value. */
+#define Py_UNICODE_JOIN_SURROGATES(high, low) \
+ (((((Py_UCS4)(high) & 0x03FF) << 10) | \
+ ((Py_UCS4)(low) & 0x03FF)) + 0x10000)
+/* high surrogate = top 10 bits added to D800 */
+#define Py_UNICODE_HIGH_SURROGATE(ch) (0xD800 | (((ch) - 0x10000) >> 10))
+/* low surrogate = bottom 10 bits added to DC00 */
+#define Py_UNICODE_LOW_SURROGATE(ch) (0xDC00 | (((ch) - 0x10000) & 0x3FF))
+
/* 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)))
+ ((*((string)->wstr + (offset)) == *((substring)->wstr)) && \
+ ((*((string)->wstr + (offset) + (substring)->wstr_length-1) == *((substring)->wstr + (substring)->wstr_length-1))) && \
+ !memcmp((string)->wstr + (offset), (substring)->wstr, (substring)->wstr_length*sizeof(Py_UNICODE)))
+
#endif /* Py_LIMITED_API */
#ifdef __cplusplus
@@ -374,41 +209,374 @@ extern "C" {
/* --- Unicode Type ------------------------------------------------------- */
#ifndef Py_LIMITED_API
+
+/* ASCII-only strings created through PyUnicode_New use the PyASCIIObject
+ structure. state.ascii and state.compact are set, and the data
+ immediately follow the structure. utf8_length and wstr_length can be found
+ in the length field; the utf8 pointer is equal to the data pointer. */
typedef struct {
+ /* There are 4 forms of Unicode strings:
+
+ - compact ascii:
+
+ * structure = PyASCIIObject
+ * test: PyUnicode_IS_COMPACT_ASCII(op)
+ * kind = PyUnicode_1BYTE_KIND
+ * compact = 1
+ * ascii = 1
+ * ready = 1
+ * (length is the length of the utf8 and wstr strings)
+ * (data starts just after the structure)
+ * (since ASCII is decoded from UTF-8, the utf8 string are the data)
+
+ - compact:
+
+ * structure = PyCompactUnicodeObject
+ * test: PyUnicode_IS_COMPACT(op) && !PyUnicode_IS_ASCII(op)
+ * kind = PyUnicode_1BYTE_KIND, PyUnicode_2BYTE_KIND or
+ PyUnicode_4BYTE_KIND
+ * compact = 1
+ * ready = 1
+ * ascii = 0
+ * utf8 is not shared with data
+ * utf8_length = 0 if utf8 is NULL
+ * wstr is shared with data and wstr_length=length
+ if kind=PyUnicode_2BYTE_KIND and sizeof(wchar_t)=2
+ or if kind=PyUnicode_4BYTE_KIND and sizeof(wchar_t)=4
+ * wstr_length = 0 if wstr is NULL
+ * (data starts just after the structure)
+
+ - legacy string, not ready:
+
+ * structure = PyUnicodeObject
+ * test: kind == PyUnicode_WCHAR_KIND
+ * length = 0 (use wstr_length)
+ * hash = -1
+ * kind = PyUnicode_WCHAR_KIND
+ * compact = 0
+ * ascii = 0
+ * ready = 0
+ * interned = SSTATE_NOT_INTERNED
+ * wstr is not NULL
+ * data.any is NULL
+ * utf8 is NULL
+ * utf8_length = 0
+
+ - legacy string, ready:
+
+ * structure = PyUnicodeObject structure
+ * test: !PyUnicode_IS_COMPACT(op) && kind != PyUnicode_WCHAR_KIND
+ * kind = PyUnicode_1BYTE_KIND, PyUnicode_2BYTE_KIND or
+ PyUnicode_4BYTE_KIND
+ * compact = 0
+ * ready = 1
+ * data.any is not NULL
+ * utf8 is shared and utf8_length = length with data.any if ascii = 1
+ * utf8_length = 0 if utf8 is NULL
+ * wstr is shared with data.any and wstr_length = length
+ if kind=PyUnicode_2BYTE_KIND and sizeof(wchar_t)=2
+ or if kind=PyUnicode_4BYTE_KIND and sizeof(wchar_4)=4
+ * wstr_length = 0 if wstr is NULL
+
+ Compact strings use only one memory block (structure + characters),
+ whereas legacy strings use one block for the structure and one block
+ for characters.
+
+ Legacy strings are created by PyUnicode_FromUnicode() and
+ PyUnicode_FromStringAndSize(NULL, size) functions. They become ready
+ when PyUnicode_READY() is called.
+
+ See also _PyUnicode_CheckConsistency().
+ */
PyObject_HEAD
- Py_ssize_t length; /* Length of raw Unicode data in buffer */
- Py_UNICODE *str; /* Raw Unicode buffer */
+ Py_ssize_t length; /* Number of code points in the string */
Py_hash_t hash; /* Hash value; -1 if not set */
- int state; /* != 0 if interned. In this case the two
- * references from the dictionary to this object
- * are *not* counted in ob_refcnt. */
- PyObject *defenc; /* (Default) Encoded version as Python
- string, or NULL; this is used for
- implementing the buffer protocol */
+ struct {
+ /*
+ SSTATE_NOT_INTERNED (0)
+ SSTATE_INTERNED_MORTAL (1)
+ SSTATE_INTERNED_IMMORTAL (2)
+
+ If interned != SSTATE_NOT_INTERNED, the two references from the
+ dictionary to this object are *not* counted in ob_refcnt.
+ */
+ unsigned int interned:2;
+ /* Character size:
+
+ - PyUnicode_WCHAR_KIND (0):
+
+ * character type = wchar_t (16 or 32 bits, depending on the
+ platform)
+
+ - PyUnicode_1BYTE_KIND (1):
+
+ * character type = Py_UCS1 (8 bits, unsigned)
+ * all characters are in the range U+0000-U+00FF (latin1)
+ * if ascii is set, all characters are in the range U+0000-U+007F
+ (ASCII), otherwise at least one character is in the range
+ U+0080-U+00FF
+
+ - PyUnicode_2BYTE_KIND (2):
+
+ * character type = Py_UCS2 (16 bits, unsigned)
+ * all characters are in the range U+0000-U+FFFF (BMP)
+ * at least one character is in the range U+0100-U+FFFF
+
+ - PyUnicode_4BYTE_KIND (4):
+
+ * character type = Py_UCS4 (32 bits, unsigned)
+ * all characters are in the range U+0000-U+10FFFF
+ * at least one character is in the range U+10000-U+10FFFF
+ */
+ unsigned int kind:3;
+ /* Compact is with respect to the allocation scheme. Compact unicode
+ objects only require one memory block while non-compact objects use
+ one block for the PyUnicodeObject struct and another for its data
+ buffer. */
+ unsigned int compact:1;
+ /* The string only contains characters in the range U+0000-U+007F (ASCII)
+ and the kind is PyUnicode_1BYTE_KIND. If ascii is set and compact is
+ set, use the PyASCIIObject structure. */
+ unsigned int ascii:1;
+ /* The ready flag indicates whether the object layout is initialized
+ completely. This means that this is either a compact object, or
+ the data pointer is filled out. The bit is redundant, and helps
+ to minimize the test in PyUnicode_IS_READY(). */
+ unsigned int ready:1;
+ } state;
+ wchar_t *wstr; /* wchar_t representation (null-terminated) */
+} PyASCIIObject;
+
+/* Non-ASCII strings allocated through PyUnicode_New use the
+ PyCompactUnicodeObject structure. state.compact is set, and the data
+ immediately follow the structure. */
+typedef struct {
+ PyASCIIObject _base;
+ Py_ssize_t utf8_length; /* Number of bytes in utf8, excluding the
+ * terminating \0. */
+ char *utf8; /* UTF-8 representation (null-terminated) */
+ Py_ssize_t wstr_length; /* Number of code points in wstr, possible
+ * surrogates count as two code points. */
+} PyCompactUnicodeObject;
+
+/* Strings allocated through PyUnicode_FromUnicode(NULL, len) use the
+ PyUnicodeObject structure. The actual string data is initially in the wstr
+ block, and copied into the data block using _PyUnicode_Ready. */
+typedef struct {
+ PyCompactUnicodeObject _base;
+ union {
+ void *any;
+ Py_UCS1 *latin1;
+ Py_UCS2 *ucs2;
+ Py_UCS4 *ucs4;
+ } data; /* Canonical, smallest-form Unicode buffer */
} PyUnicodeObject;
#endif
PyAPI_DATA(PyTypeObject) PyUnicode_Type;
PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type;
-#define SSTATE_NOT_INTERNED 0
-#define SSTATE_INTERNED_MORTAL 1
-#define SSTATE_INTERNED_IMMORTAL 2
-
#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 */
#ifndef Py_LIMITED_API
-#define PyUnicode_GET_SIZE(op) \
- (assert(PyUnicode_Check(op)),(((PyUnicodeObject *)(op))->length))
+
+#define PyUnicode_WSTR_LENGTH(op) \
+ (PyUnicode_IS_COMPACT_ASCII(op) ? \
+ ((PyASCIIObject*)op)->length : \
+ ((PyCompactUnicodeObject*)op)->wstr_length)
+
+/* Returns the deprecated Py_UNICODE representation's size in code units
+ (this includes surrogate pairs as 2 units).
+ If the Py_UNICODE representation is not available, it will be computed
+ on request. Use PyUnicode_GET_LENGTH() for the length in code points. */
+
+#define PyUnicode_GET_SIZE(op) \
+ (assert(PyUnicode_Check(op)), \
+ (((PyASCIIObject *)(op))->wstr) ? \
+ PyUnicode_WSTR_LENGTH(op) : \
+ ((void)PyUnicode_AsUnicode((PyObject *)(op)), \
+ assert(((PyASCIIObject *)(op))->wstr), \
+ PyUnicode_WSTR_LENGTH(op)))
+
#define PyUnicode_GET_DATA_SIZE(op) \
- (assert(PyUnicode_Check(op)),(((PyUnicodeObject *)(op))->length * sizeof(Py_UNICODE)))
+ (PyUnicode_GET_SIZE(op) * Py_UNICODE_SIZE)
+
+/* Alias for PyUnicode_AsUnicode(). This will create a wchar_t/Py_UNICODE
+ representation on demand. Using this macro is very inefficient now,
+ try to port your code to use the new PyUnicode_*BYTE_DATA() macros or
+ use PyUnicode_WRITE() and PyUnicode_READ(). */
+
#define PyUnicode_AS_UNICODE(op) \
- (assert(PyUnicode_Check(op)),(((PyUnicodeObject *)(op))->str))
+ (assert(PyUnicode_Check(op)), \
+ (((PyASCIIObject *)(op))->wstr) ? (((PyASCIIObject *)(op))->wstr) : \
+ PyUnicode_AsUnicode((PyObject *)(op)))
+
#define PyUnicode_AS_DATA(op) \
- (assert(PyUnicode_Check(op)),((const char *)((PyUnicodeObject *)(op))->str))
+ ((const char *)(PyUnicode_AS_UNICODE(op)))
+
+
+/* --- Flexible String Representation Helper Macros (PEP 393) -------------- */
+
+/* Values for PyASCIIObject.state: */
+
+/* Interning state. */
+#define SSTATE_NOT_INTERNED 0
+#define SSTATE_INTERNED_MORTAL 1
+#define SSTATE_INTERNED_IMMORTAL 2
+
+/* Return true if the string contains only ASCII characters, or 0 if not. The
+ string may be compact (PyUnicode_IS_COMPACT_ASCII) or not, but must be
+ ready. */
+#define PyUnicode_IS_ASCII(op) \
+ (assert(PyUnicode_Check(op)), \
+ assert(PyUnicode_IS_READY(op)), \
+ ((PyASCIIObject*)op)->state.ascii)
+
+/* Return true if the string is compact or 0 if not.
+ No type checks or Ready calls are performed. */
+#define PyUnicode_IS_COMPACT(op) \
+ (((PyASCIIObject*)(op))->state.compact)
+
+/* Return true if the string is a compact ASCII string (use PyASCIIObject
+ structure), or 0 if not. No type checks or Ready calls are performed. */
+#define PyUnicode_IS_COMPACT_ASCII(op) \
+ (((PyASCIIObject*)op)->state.ascii && PyUnicode_IS_COMPACT(op))
+
+enum PyUnicode_Kind {
+/* String contains only wstr byte characters. This is only possible
+ when the string was created with a legacy API and _PyUnicode_Ready()
+ has not been called yet. */
+ PyUnicode_WCHAR_KIND = 0,
+/* Return values of the PyUnicode_KIND() macro: */
+ PyUnicode_1BYTE_KIND = 1,
+ PyUnicode_2BYTE_KIND = 2,
+ PyUnicode_4BYTE_KIND = 4
+};
+
+/* Return pointers to the canonical representation cast to unsigned char,
+ Py_UCS2, or Py_UCS4 for direct character access.
+ No checks are performed, use PyUnicode_KIND() before to ensure
+ these will work correctly. */
+
+#define PyUnicode_1BYTE_DATA(op) ((Py_UCS1*)PyUnicode_DATA(op))
+#define PyUnicode_2BYTE_DATA(op) ((Py_UCS2*)PyUnicode_DATA(op))
+#define PyUnicode_4BYTE_DATA(op) ((Py_UCS4*)PyUnicode_DATA(op))
+
+/* Return one of the PyUnicode_*_KIND values defined above. */
+#define PyUnicode_KIND(op) \
+ (assert(PyUnicode_Check(op)), \
+ assert(PyUnicode_IS_READY(op)), \
+ ((PyASCIIObject *)(op))->state.kind)
+
+/* Return a void pointer to the raw unicode buffer. */
+#define _PyUnicode_COMPACT_DATA(op) \
+ (PyUnicode_IS_ASCII(op) ? \
+ ((void*)((PyASCIIObject*)(op) + 1)) : \
+ ((void*)((PyCompactUnicodeObject*)(op) + 1)))
+
+#define _PyUnicode_NONCOMPACT_DATA(op) \
+ (assert(((PyUnicodeObject*)(op))->data.any), \
+ ((((PyUnicodeObject *)(op))->data.any)))
+
+#define PyUnicode_DATA(op) \
+ (assert(PyUnicode_Check(op)), \
+ PyUnicode_IS_COMPACT(op) ? _PyUnicode_COMPACT_DATA(op) : \
+ _PyUnicode_NONCOMPACT_DATA(op))
+
+/* In the access macros below, "kind" may be evaluated more than once.
+ All other macro parameters are evaluated exactly once, so it is safe
+ to put side effects into them (such as increasing the index). */
+
+/* Write into the canonical representation, this macro does not do any sanity
+ checks and is intended for usage in loops. The caller should cache the
+ kind and data pointers obtained from other macro calls.
+ index is the index in the string (starts at 0) and value is the new
+ code point value which should be written to that location. */
+#define PyUnicode_WRITE(kind, data, index, value) \
+ do { \
+ switch ((kind)) { \
+ case PyUnicode_1BYTE_KIND: { \
+ ((Py_UCS1 *)(data))[(index)] = (Py_UCS1)(value); \
+ break; \
+ } \
+ case PyUnicode_2BYTE_KIND: { \
+ ((Py_UCS2 *)(data))[(index)] = (Py_UCS2)(value); \
+ break; \
+ } \
+ default: { \
+ assert((kind) == PyUnicode_4BYTE_KIND); \
+ ((Py_UCS4 *)(data))[(index)] = (Py_UCS4)(value); \
+ } \
+ } \
+ } while (0)
+
+/* Read a code point from the string's canonical representation. No checks
+ or ready calls are performed. */
+#define PyUnicode_READ(kind, data, index) \
+ ((Py_UCS4) \
+ ((kind) == PyUnicode_1BYTE_KIND ? \
+ ((const Py_UCS1 *)(data))[(index)] : \
+ ((kind) == PyUnicode_2BYTE_KIND ? \
+ ((const Py_UCS2 *)(data))[(index)] : \
+ ((const Py_UCS4 *)(data))[(index)] \
+ ) \
+ ))
+
+/* PyUnicode_READ_CHAR() is less efficient than PyUnicode_READ() because it
+ calls PyUnicode_KIND() and might call it twice. For single reads, use
+ PyUnicode_READ_CHAR, for multiple consecutive reads callers should
+ cache kind and use PyUnicode_READ instead. */
+#define PyUnicode_READ_CHAR(unicode, index) \
+ (assert(PyUnicode_Check(unicode)), \
+ assert(PyUnicode_IS_READY(unicode)), \
+ (Py_UCS4) \
+ (PyUnicode_KIND((unicode)) == PyUnicode_1BYTE_KIND ? \
+ ((const Py_UCS1 *)(PyUnicode_DATA((unicode))))[(index)] : \
+ (PyUnicode_KIND((unicode)) == PyUnicode_2BYTE_KIND ? \
+ ((const Py_UCS2 *)(PyUnicode_DATA((unicode))))[(index)] : \
+ ((const Py_UCS4 *)(PyUnicode_DATA((unicode))))[(index)] \
+ ) \
+ ))
+
+/* Returns the length of the unicode string. The caller has to make sure that
+ the string has it's canonical representation set before calling
+ this macro. Call PyUnicode_(FAST_)Ready to ensure that. */
+#define PyUnicode_GET_LENGTH(op) \
+ (assert(PyUnicode_Check(op)), \
+ assert(PyUnicode_IS_READY(op)), \
+ ((PyASCIIObject *)(op))->length)
+
+
+/* Fast check to determine whether an object is ready. Equivalent to
+ PyUnicode_IS_COMPACT(op) || ((PyUnicodeObject*)(op))->data.any) */
+
+#define PyUnicode_IS_READY(op) (((PyASCIIObject*)op)->state.ready)
+
+/* PyUnicode_READY() does less work than _PyUnicode_Ready() in the best
+ case. If the canonical representation is not yet set, it will still call
+ _PyUnicode_Ready().
+ Returns 0 on success and -1 on errors. */
+#define PyUnicode_READY(op) \
+ (assert(PyUnicode_Check(op)), \
+ (PyUnicode_IS_READY(op) ? \
+ 0 : _PyUnicode_Ready((PyObject *)(op))))
+
+/* Return a maximum character value which is suitable for creating another
+ string based on op. This is always an approximation but more efficient
+ than iterating over the string. */
+#define PyUnicode_MAX_CHAR_VALUE(op) \
+ (assert(PyUnicode_IS_READY(op)), \
+ (PyUnicode_IS_ASCII(op) ? \
+ (0x7f) : \
+ (PyUnicode_KIND(op) == PyUnicode_1BYTE_KIND ? \
+ (0xffU) : \
+ (PyUnicode_KIND(op) == PyUnicode_2BYTE_KIND ? \
+ (0xffffU) : \
+ (0x10ffffU)))))
+
#endif
/* --- Constants ---------------------------------------------------------- */
@@ -418,12 +586,87 @@ PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type;
Unicode character U+FFFD is the official REPLACEMENT CHARACTER in
Unicode 3.0. */
-#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UNICODE) 0xFFFD)
+#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UCS4) 0xFFFD)
/* === Public API ========================================================= */
/* --- Plain Py_UNICODE --------------------------------------------------- */
+/* With PEP 393, this is the recommended way to allocate a new unicode object.
+ This function will allocate the object and its buffer in a single memory
+ block. Objects created using this function are not resizable. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) PyUnicode_New(
+ Py_ssize_t size, /* Number of code points in the new string */
+ Py_UCS4 maxchar /* maximum code point value in the string */
+ );
+#endif
+
+/* Initializes the canonical string representation from a the deprecated
+ wstr/Py_UNICODE representation. This function is used to convert Unicode
+ objects which were created using the old API to the new flexible format
+ introduced with PEP 393.
+
+ Don't call this function directly, use the public PyUnicode_READY() macro
+ instead. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(int) _PyUnicode_Ready(
+ PyObject *unicode /* Unicode object */
+ );
+#endif
+
+/* Get a copy of a Unicode string. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_Copy(
+ PyObject *unicode
+ );
+#endif
+
+/* Copy character from one unicode object into another, this function performs
+ character conversion when necessary and falls back to memcpy() if possible.
+
+ Fail if to is too small (smaller than *how_many* or smaller than
+ len(from)-from_start), or if kind(from[from_start:from_start+how_many]) >
+ kind(to), or if *to* has more than 1 reference.
+
+ Return the number of written character, or return -1 and raise an exception
+ on error.
+
+ Pseudo-code:
+
+ how_many = min(how_many, len(from) - from_start)
+ to[to_start:to_start+how_many] = from[from_start:from_start+how_many]
+ return how_many
+
+ Note: The function doesn't write a terminating null character.
+ */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(Py_ssize_t) PyUnicode_CopyCharacters(
+ PyObject *to,
+ Py_ssize_t to_start,
+ PyObject *from,
+ Py_ssize_t from_start,
+ Py_ssize_t how_many
+ );
+#endif
+
+/* Fill a string with a character: write fill_char into
+ unicode[start:start+length].
+
+ Fail if fill_char is bigger than the string maximum character, or if the
+ string has more than 1 reference.
+
+ Return the number of written character, or return -1 and raise an exception
+ on error. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(Py_ssize_t) PyUnicode_Fill(
+ PyObject *unicode,
+ Py_ssize_t start,
+ Py_ssize_t length,
+ Py_UCS4 fill_char
+ );
+#endif
+
/* Create a Unicode Object from the Py_UNICODE buffer u of the given
size.
@@ -448,13 +691,54 @@ PyAPI_FUNC(PyObject*) PyUnicode_FromStringAndSize(
);
/* Similar to PyUnicode_FromUnicode(), but u points to null-terminated
- UTF-8 encoded bytes */
+ UTF-8 encoded bytes. The size is determined with strlen(). */
PyAPI_FUNC(PyObject*) PyUnicode_FromString(
const char *u /* UTF-8 encoded string */
);
+/* Create a new string from a buffer of Py_UCS1, Py_UCS2 or Py_UCS4 characters.
+ Scan the string to find the maximum character. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) PyUnicode_FromKindAndData(
+ int kind,
+ const void *buffer,
+ Py_ssize_t size);
+#endif
+
+PyAPI_FUNC(PyObject*) PyUnicode_Substring(
+ PyObject *str,
+ Py_ssize_t start,
+ Py_ssize_t end);
+
+#ifndef Py_LIMITED_API
+/* Compute the maximum character of the substring unicode[start:end].
+ Return 127 for an empty string. */
+PyAPI_FUNC(Py_UCS4) _PyUnicode_FindMaxChar (
+ PyObject *unicode,
+ Py_ssize_t start,
+ Py_ssize_t end);
+#endif
+
+/* 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 ValueError 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);
+
/* Return a read-only pointer to the Unicode object's internal
- Py_UNICODE buffer. */
+ Py_UNICODE buffer.
+ If the wchar_t/Py_UNICODE representation is not yet available, this
+ function will calculate it. */
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
@@ -462,30 +746,69 @@ PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
);
#endif
+/* Return a read-only pointer to the Unicode object's internal
+ Py_UNICODE buffer and save the length at size.
+ If the wchar_t/Py_UNICODE representation is not yet available, this
+ function will calculate it. */
+
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicodeAndSize(
+ PyObject *unicode, /* Unicode object */
+ Py_ssize_t *size /* location where to save the length */
+ );
+#endif
+
/* Get the length of the Unicode object. */
+PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength(
+ PyObject *unicode
+);
+
+/* Get the number of Py_UNICODE units in the
+ string representation. */
+
PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize(
PyObject *unicode /* Unicode object */
);
+/* Read a character from the string. */
+
+PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar(
+ PyObject *unicode,
+ Py_ssize_t index
+ );
+
+/* 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. */
+
+PyAPI_FUNC(int) PyUnicode_WriteChar(
+ PyObject *unicode,
+ Py_ssize_t index,
+ Py_UCS4 character
+ );
+
#ifndef Py_LIMITED_API
/* Get the maximum ordinal for a Unicode character. */
PyAPI_FUNC(Py_UNICODE) PyUnicode_GetMax(void);
#endif
-/* Resize an already allocated Unicode object to the new size length.
+/* Resize an 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.
*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.
+ Try to resize the string in place (which is usually faster than allocating
+ a new string and copy characters), or create a new string.
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 */
@@ -545,8 +868,9 @@ PyAPI_FUNC(PyObject *) PyUnicode_FromFormat(
/* 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);
+ PyObject *format_spec,
+ Py_ssize_t start,
+ Py_ssize_t end);
#endif
PyAPI_FUNC(void) PyUnicode_InternInPlace(PyObject **);
@@ -559,7 +883,8 @@ PyAPI_FUNC(void) _Py_ReleaseInternedUnicodeStrings(void);
#endif
/* Use only if you know it's a string */
-#define PyUnicode_CHECK_INTERNED(op) (((PyUnicodeObject *)(op))->state)
+#define PyUnicode_CHECK_INTERNED(op) \
+ (((PyASCIIObject *)(op))->state.interned)
/* --- wchar_t support for platforms which support it --------------------- */
@@ -606,6 +931,10 @@ PyAPI_FUNC(wchar_t*) PyUnicode_AsWideCharString(
Py_ssize_t *size /* number of characters of the result */
);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(void*) _PyUnicode_AsKind(PyObject *s, unsigned int kind);
+#endif
+
#endif
/* --- Unicode ordinals --------------------------------------------------- */
@@ -651,50 +980,42 @@ PyAPI_FUNC(int) PyUnicode_ClearFreeList(void);
/* --- Manage the default encoding ---------------------------------------- */
-/* Return a Python string holding the default encoded value of the
- Unicode object.
-
- Same as PyUnicode_AsUTF8String() except
- 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 !!! ***
-
-*/
-
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(PyObject *) _PyUnicode_AsDefaultEncodedString(
- PyObject *unicode,
- const char *errors);
-#endif
-
/* Returns a pointer to the default encoding (UTF-8) of the
Unicode object unicode and the size of the encoded representation
in bytes stored in *size.
In case of an error, no *size is set.
+ This function caches the UTF-8 encoded string in the unicodeobject
+ and subsequent calls will return the same string. The memory is released
+ when the unicodeobject is deallocated.
+
+ _PyUnicode_AsStringAndSize is a #define for PyUnicode_AsUTF8AndSize to
+ support the previous internal function with the same behaviour.
+
*** This API is for interpreter INTERNAL USE ONLY and will likely
*** be removed or changed in the future.
*** If you need to access the Unicode object as UTF-8 bytes string,
*** please use PyUnicode_AsUTF8String() instead.
-
*/
#ifndef Py_LIMITED_API
-PyAPI_FUNC(char *) _PyUnicode_AsStringAndSize(
+PyAPI_FUNC(char *) PyUnicode_AsUTF8AndSize(
PyObject *unicode,
Py_ssize_t *size);
+#define _PyUnicode_AsStringAndSize PyUnicode_AsUTF8AndSize
#endif
/* Returns a pointer to the default encoding (UTF-8) of the
Unicode object unicode.
+ Like PyUnicode_AsUTF8AndSize(), this also caches the UTF-8 representation
+ in the unicodeobject.
+
+ _PyUnicode_AsString is a #define for PyUnicode_AsUTF8 to
+ support the previous internal function with the same behaviour.
+
Use of this API is DEPRECATED since no size information can be
extracted from the returned data.
@@ -707,7 +1028,8 @@ PyAPI_FUNC(char *) _PyUnicode_AsStringAndSize(
*/
#ifndef Py_LIMITED_API
-PyAPI_FUNC(char *) _PyUnicode_AsString(PyObject *unicode);
+PyAPI_FUNC(char *) PyUnicode_AsUTF8(PyObject *unicode);
+#define _PyUnicode_AsString PyUnicode_AsUTF8
#endif
/* Returns "utf-8". */
@@ -812,6 +1134,12 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF7(
int base64WhiteSpace, /* Encode whitespace (sp, ht, nl, cr) in base64 */
const char *errors /* error handling */
);
+PyAPI_FUNC(PyObject*) _PyUnicode_EncodeUTF7(
+ PyObject *unicode, /* Unicode object */
+ int base64SetO, /* Encode RFC2152 Set O characters in base64 */
+ int base64WhiteSpace, /* Encode whitespace (sp, ht, nl, cr) in base64 */
+ const char *errors /* error handling */
+ );
#endif
/* --- UTF-8 Codecs ------------------------------------------------------- */
@@ -834,6 +1162,10 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsUTF8String(
);
#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_AsUTF8String(
+ PyObject *unicode,
+ const char *errors);
+
PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF8(
const Py_UNICODE *data, /* Unicode char buffer */
Py_ssize_t length, /* number of Py_UNICODE chars to encode */
@@ -915,6 +1247,11 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF32(
const char *errors, /* error handling */
int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */
);
+PyAPI_FUNC(PyObject*) _PyUnicode_EncodeUTF32(
+ PyObject *object, /* Unicode object */
+ const char *errors, /* error handling */
+ int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */
+ );
#endif
/* --- UTF-16 Codecs ------------------------------------------------------ */
@@ -995,6 +1332,11 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeUTF16(
const char *errors, /* error handling */
int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */
);
+PyAPI_FUNC(PyObject*) _PyUnicode_EncodeUTF16(
+ PyObject* unicode, /* Unicode object */
+ const char *errors, /* error handling */
+ int byteorder /* byteorder to use 0=BOM+native;-1=LE,1=BE */
+ );
#endif
/* --- Unicode-Escape Codecs ---------------------------------------------- */
@@ -1064,6 +1406,10 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsLatin1String(
);
#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_AsLatin1String(
+ PyObject* unicode,
+ const char* errors);
+
PyAPI_FUNC(PyObject*) PyUnicode_EncodeLatin1(
const Py_UNICODE *data, /* Unicode char buffer */
Py_ssize_t length, /* Number of Py_UNICODE chars to encode */
@@ -1088,6 +1434,10 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsASCIIString(
);
#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_AsASCIIString(
+ PyObject* unicode,
+ const char* errors);
+
PyAPI_FUNC(PyObject*) PyUnicode_EncodeASCII(
const Py_UNICODE *data, /* Unicode char buffer */
Py_ssize_t length, /* Number of Py_UNICODE chars to encode */
@@ -1139,6 +1489,12 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeCharmap(
(unicode ordinal -> char ordinal) */
const char *errors /* error handling */
);
+PyAPI_FUNC(PyObject*) _PyUnicode_EncodeCharmap(
+ PyObject *unicode, /* Unicode object */
+ PyObject *mapping, /* character mapping
+ (unicode ordinal -> char ordinal) */
+ const char *errors /* error handling */
+ );
#endif
/* Translate a Py_UNICODE buffer of the given length by applying a
@@ -1163,7 +1519,7 @@ PyAPI_FUNC(PyObject *) PyUnicode_TranslateCharmap(
);
#endif
-#ifdef MS_WIN32
+#ifdef HAVE_MBCS
/* --- MBCS codecs for Windows -------------------------------------------- */
@@ -1180,6 +1536,14 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful(
Py_ssize_t *consumed /* bytes consumed */
);
+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 */
+ );
+
PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString(
PyObject *unicode /* Unicode object */
);
@@ -1187,12 +1551,18 @@ PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString(
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject*) PyUnicode_EncodeMBCS(
const Py_UNICODE *data, /* Unicode char buffer */
- Py_ssize_t length, /* Number of Py_UNICODE chars to encode */
+ Py_ssize_t length, /* number of Py_UNICODE chars to encode */
const char *errors /* error handling */
);
#endif
-#endif /* MS_WIN32 */
+PyAPI_FUNC(PyObject*) PyUnicode_EncodeCodePage(
+ int code_page, /* code page number */
+ PyObject *unicode, /* Unicode object */
+ const char *errors /* error handling */
+ );
+
+#endif /* HAVE_MBCS */
/* --- Decimal Encoder ---------------------------------------------------- */
@@ -1240,6 +1610,49 @@ PyAPI_FUNC(PyObject*) PyUnicode_TransformDecimalToASCII(
);
#endif
+/* Similar to PyUnicode_TransformDecimalToASCII(), but takes a PyObject
+ as argument instead of a raw buffer and length. This function additionally
+ transforms spaces to ASCII because this is what the callers in longobject,
+ floatobject, and complexobject did anyways. */
+
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_TransformDecimalAndSpaceToASCII(
+ PyObject *unicode /* Unicode object */
+ );
+#endif
+
+/* --- Locale encoding --------------------------------------------------- */
+
+/* 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
+ );
+
/* --- File system encoding ---------------------------------------------- */
/* ParseTuple converter: encode str objects to bytes using
@@ -1292,7 +1705,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeFSDefault(
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. */
+ Unicode objects or integers as appropriate. */
/* Concat two strings giving a new Unicode string. */
@@ -1427,6 +1840,15 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_Find(
int direction /* Find direction: +1 forward, -1 backward */
);
+/* 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
+ );
+
/* Count the number of occurrences of substr in str[start:end]. */
PyAPI_FUNC(Py_ssize_t) PyUnicode_Count(
@@ -1463,7 +1885,7 @@ PyAPI_FUNC(int) PyUnicode_CompareWithASCIIString(
/* Rich compare two strings and return one of the following:
- NULL in case an exception was raised
- - Py_True or Py_False for successfuly comparisons
+ - Py_True or Py_False for successfully comparisons
- Py_NotImplemented in case the type combination is unknown
Note that Py_EQ and Py_NE comparisons can cause a UnicodeWarning in
@@ -1514,35 +1936,26 @@ PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s);
#ifndef Py_LIMITED_API
/* Externally visible for str.strip(unicode) */
PyAPI_FUNC(PyObject *) _PyUnicode_XStrip(
- PyUnicodeObject *self,
+ PyObject *self,
int striptype,
PyObject *sepobj
);
#endif
-/* Using the current locale, insert the thousands grouping
- into the string pointed to by buffer. For the argument descriptions,
- see Objects/stringlib/localeutil.h */
-
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(Py_ssize_t) _PyUnicode_InsertThousandsGroupingLocale(Py_UNICODE *buffer,
- Py_ssize_t n_buffer,
- Py_UNICODE *digits,
- Py_ssize_t n_digits,
- Py_ssize_t min_width);
-#endif
-
/* Using explicit passed-in values, insert the thousands grouping
into the string pointed to by buffer. For the argument descriptions,
see Objects/stringlib/localeutil.h */
#ifndef Py_LIMITED_API
-PyAPI_FUNC(Py_ssize_t) _PyUnicode_InsertThousandsGrouping(Py_UNICODE *buffer,
- Py_ssize_t n_buffer,
- Py_UNICODE *digits,
- Py_ssize_t n_digits,
- Py_ssize_t min_width,
- const char *grouping,
- const char *thousands_sep);
+PyAPI_FUNC(Py_ssize_t) _PyUnicode_InsertThousandsGrouping(
+ PyObject *unicode,
+ Py_ssize_t index,
+ Py_ssize_t n_buffer,
+ void *digits,
+ Py_ssize_t n_digits,
+ Py_ssize_t min_width,
+ const char *grouping,
+ PyObject *thousands_sep,
+ Py_UCS4 *maxchar);
#endif
/* === Characters Type APIs =============================================== */
@@ -1598,6 +2011,34 @@ PyAPI_FUNC(Py_UCS4) _PyUnicode_ToTitlecase(
Py_UCS4 ch /* Unicode character */
);
+PyAPI_FUNC(int) _PyUnicode_ToLowerFull(
+ Py_UCS4 ch, /* Unicode character */
+ Py_UCS4 *res
+ );
+
+PyAPI_FUNC(int) _PyUnicode_ToTitleFull(
+ Py_UCS4 ch, /* Unicode character */
+ Py_UCS4 *res
+ );
+
+PyAPI_FUNC(int) _PyUnicode_ToUpperFull(
+ Py_UCS4 ch, /* Unicode character */
+ Py_UCS4 *res
+ );
+
+PyAPI_FUNC(int) _PyUnicode_ToFoldedFull(
+ Py_UCS4 ch, /* Unicode character */
+ Py_UCS4 *res
+ );
+
+PyAPI_FUNC(int) _PyUnicode_IsCaseIgnorable(
+ Py_UCS4 ch /* Unicode character */
+ );
+
+PyAPI_FUNC(int) _PyUnicode_IsCased(
+ Py_UCS4 ch /* Unicode character */
+ );
+
PyAPI_FUNC(int) _PyUnicode_ToDecimalDigit(
Py_UCS4 ch /* Unicode character */
);
@@ -1676,6 +2117,17 @@ PyAPI_FUNC(Py_UNICODE*) PyUnicode_AsUnicodeCopy(
);
#endif /* Py_LIMITED_API */
+#if defined(Py_DEBUG) && !defined(Py_LIMITED_API)
+PyAPI_FUNC(int) _PyUnicode_CheckConsistency(
+ PyObject *op,
+ int check_content);
+#endif
+
+/* Return an interned Unicode object for an Identifier; may fail if there is no memory.*/
+PyAPI_FUNC(PyObject*) _PyUnicode_FromId(_Py_Identifier*);
+/* Clear all static strings. */
+PyAPI_FUNC(void) _PyUnicode_ClearStaticStrings(void);
+
#ifdef __cplusplus
}
#endif