1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* multibytecodec.h: Common Multibyte Codec Implementation
*
* Written by Hye-Shik Chang <perky@FreeBSD.org>
*/
#ifndef _PYTHON_MULTIBYTECODEC_H_
#define _PYTHON_MULTIBYTECODEC_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifdef uint16_t
typedef uint16_t ucs2_t, DBCHAR;
#else
typedef unsigned short ucs2_t, DBCHAR;
#endif
/*
* A struct that provides 8 bytes of state for multibyte
* codecs. Codecs are free to use this how they want. Note: if you
* need to add a new field to this struct, ensure that its byte order
* is independent of CPU endianness so that the return value of
* getstate doesn't differ between little and big endian CPUs.
*/
typedef struct {
unsigned char c[8];
} MultibyteCodec_State;
typedef int (*mbcodec_init)(const void *config);
typedef Py_ssize_t (*mbencode_func)(MultibyteCodec_State *state,
const void *config,
int kind, const void *data,
Py_ssize_t *inpos, Py_ssize_t inlen,
unsigned char **outbuf, Py_ssize_t outleft,
int flags);
typedef int (*mbencodeinit_func)(MultibyteCodec_State *state,
const void *config);
typedef Py_ssize_t (*mbencodereset_func)(MultibyteCodec_State *state,
const void *config,
unsigned char **outbuf, Py_ssize_t outleft);
typedef Py_ssize_t (*mbdecode_func)(MultibyteCodec_State *state,
const void *config,
const unsigned char **inbuf, Py_ssize_t inleft,
_PyUnicodeWriter *writer);
typedef int (*mbdecodeinit_func)(MultibyteCodec_State *state,
const void *config);
typedef Py_ssize_t (*mbdecodereset_func)(MultibyteCodec_State *state,
const void *config);
typedef struct {
const char *encoding;
const void *config;
mbcodec_init codecinit;
mbencode_func encode;
mbencodeinit_func encinit;
mbencodereset_func encreset;
mbdecode_func decode;
mbdecodeinit_func decinit;
mbdecodereset_func decreset;
} MultibyteCodec;
typedef struct {
PyObject_HEAD
MultibyteCodec *codec;
} MultibyteCodecObject;
#define MultibyteCodec_Check(state, op) Py_IS_TYPE((op), state->multibytecodec_type)
#define _MultibyteStatefulCodec_HEAD \
PyObject_HEAD \
MultibyteCodec *codec; \
MultibyteCodec_State state; \
PyObject *errors;
typedef struct {
_MultibyteStatefulCodec_HEAD
} MultibyteStatefulCodecContext;
#define MAXENCPENDING 2
#define _MultibyteStatefulEncoder_HEAD \
_MultibyteStatefulCodec_HEAD \
PyObject *pending;
typedef struct {
_MultibyteStatefulEncoder_HEAD
} MultibyteStatefulEncoderContext;
#define MAXDECPENDING 8
#define _MultibyteStatefulDecoder_HEAD \
_MultibyteStatefulCodec_HEAD \
unsigned char pending[MAXDECPENDING]; \
Py_ssize_t pendingsize;
typedef struct {
_MultibyteStatefulDecoder_HEAD
} MultibyteStatefulDecoderContext;
typedef struct {
_MultibyteStatefulEncoder_HEAD
} MultibyteIncrementalEncoderObject;
typedef struct {
_MultibyteStatefulDecoder_HEAD
} MultibyteIncrementalDecoderObject;
typedef struct {
_MultibyteStatefulDecoder_HEAD
PyObject *stream;
} MultibyteStreamReaderObject;
typedef struct {
_MultibyteStatefulEncoder_HEAD
PyObject *stream;
} MultibyteStreamWriterObject;
/* positive values for illegal sequences */
#define MBERR_TOOSMALL (-1) /* insufficient output buffer space */
#define MBERR_TOOFEW (-2) /* incomplete input buffer */
#define MBERR_INTERNAL (-3) /* internal runtime error */
#define MBERR_EXCEPTION (-4) /* an exception has been raised */
#define ERROR_STRICT (PyObject *)(1)
#define ERROR_IGNORE (PyObject *)(2)
#define ERROR_REPLACE (PyObject *)(3)
#define ERROR_ISCUSTOM(p) ((p) < ERROR_STRICT || ERROR_REPLACE < (p))
#define ERROR_DECREF(p) \
do { \
if (p != NULL && ERROR_ISCUSTOM(p)) \
Py_DECREF(p); \
} while (0);
#define MBENC_FLUSH 0x0001 /* encode all characters encodable */
#define MBENC_MAX MBENC_FLUSH
#define PyMultibyteCodec_CAPSULE_NAME "multibytecodec.__map_*"
#ifdef __cplusplus
}
#endif
#endif
|
