627 lines
21 KiB
C
627 lines
21 KiB
C
|
/*
|
||
|
* _iconv_codec.c
|
||
|
*
|
||
|
* libiconv adaptor for Python iconvcodec
|
||
|
*
|
||
|
* Author : Hye-Shik Chang <perky@FreeBSD.org>
|
||
|
* Created : 17 January 2003
|
||
|
*/
|
||
|
|
||
|
#include "Python.h"
|
||
|
#include <string.h>
|
||
|
#include <iconv.h>
|
||
|
|
||
|
static const char *__version__ = "$Revision$";
|
||
|
|
||
|
#if Py_USING_UNICODE
|
||
|
# if Py_UNICODE_SIZE == 2
|
||
|
# ifdef __GNU_LIBRARY__
|
||
|
# define UNICODE_ENCODING "ucs-2"
|
||
|
# else
|
||
|
# define UNICODE_ENCODING "ucs-2-internal"
|
||
|
# endif
|
||
|
# define MBENCODED_LENGTH_MAX 4
|
||
|
# elif Py_UNICODE_SIZE == 4
|
||
|
# ifdef __GNU_LIBRARY__
|
||
|
# define UNICODE_ENCODING "ucs-4"
|
||
|
# else
|
||
|
# define UNICODE_ENCODING "ucs-4-internal"
|
||
|
# endif
|
||
|
# define MBENCODED_LENGTH_MAX 6
|
||
|
# endif
|
||
|
#else
|
||
|
# error "Unicode is not available"
|
||
|
#endif
|
||
|
|
||
|
typedef struct {
|
||
|
PyObject_HEAD
|
||
|
iconv_t enchdl, dechdl;
|
||
|
char *encoding;
|
||
|
} iconvcodecObject;
|
||
|
PyDoc_STRVAR(iconvcodec_doc, "iconvcodec object");
|
||
|
|
||
|
staticforward PyTypeObject iconvcodec_Type;
|
||
|
|
||
|
|
||
|
#define ERROR_STRICT (PyObject *)(1)
|
||
|
#define ERROR_IGNORE (PyObject *)(2)
|
||
|
#define ERROR_REPLACE (PyObject *)(3)
|
||
|
#define ERROR_MAX ERROR_REPLACE
|
||
|
|
||
|
#define REPLACEMENT_CHAR_DECODE 0xFFFD
|
||
|
#define REPLACEMENT_CHAR_ENCODE '?'
|
||
|
|
||
|
#define DEFAULT_ENCODING "utf-8"
|
||
|
|
||
|
|
||
|
static PyObject *
|
||
|
get_errorcallback(const char *errors)
|
||
|
{
|
||
|
if (errors == NULL || strcmp(errors, "strict") == 0)
|
||
|
return ERROR_STRICT;
|
||
|
else if (strcmp(errors, "ignore") == 0)
|
||
|
return ERROR_IGNORE;
|
||
|
else if (strcmp(errors, "replace") == 0)
|
||
|
return ERROR_REPLACE;
|
||
|
else
|
||
|
return PyCodec_LookupError(errors);
|
||
|
}
|
||
|
|
||
|
|
||
|
PyDoc_STRVAR(iconvcodec_encode__doc__,
|
||
|
"I.encode(unicode, [,errors]) -> (string, length consumed)\n\
|
||
|
\n\
|
||
|
Return an encoded string version of `unicode'. errors may be given to\n\
|
||
|
set a different error handling scheme. Default is 'strict' meaning that\n\
|
||
|
encoding errors raise a UnicodeEncodeError. Other possible values are\n\
|
||
|
'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name\n\
|
||
|
registered with codecs.register_error that can handle UnicodeEncodeErrors.");
|
||
|
|
||
|
static PyObject *
|
||
|
iconvcodec_encode(iconvcodecObject *self, PyObject *args, PyObject *kwargs)
|
||
|
{
|
||
|
static char *kwlist[] = { "input", "errors", NULL };
|
||
|
Py_UNICODE *input;
|
||
|
int inputlen;
|
||
|
char *errors = NULL/*strict*/, *out, *out_top;
|
||
|
const char *inp, *inp_top;
|
||
|
size_t inplen, inplen_total, outlen, outlen_total, estep;
|
||
|
PyObject *outputobj = NULL, *errorcb = NULL,
|
||
|
*exceptionobj = NULL;
|
||
|
|
||
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "u#|s:encode",
|
||
|
kwlist, &input, &inputlen, &errors))
|
||
|
return NULL; /* TypeError */
|
||
|
|
||
|
errorcb = get_errorcallback(errors);
|
||
|
if (errorcb == NULL)
|
||
|
return NULL; /* LookupError or something else from error handler */
|
||
|
|
||
|
inp = inp_top = (char *)input;
|
||
|
inplen = inplen_total = (size_t)(inputlen * Py_UNICODE_SIZE);
|
||
|
|
||
|
outlen = inputlen * MBENCODED_LENGTH_MAX;
|
||
|
if (outlen < 16)
|
||
|
outlen = 16; /* for iso-2022 codecs */
|
||
|
|
||
|
outputobj = PyString_FromStringAndSize(NULL, outlen);
|
||
|
if (outputobj == NULL)
|
||
|
return NULL;
|
||
|
out = out_top = PyString_AS_STRING(outputobj);
|
||
|
outlen_total = outlen;
|
||
|
|
||
|
estep = inputlen * Py_UNICODE_SIZE / 2;
|
||
|
|
||
|
#define RESIZE_OUTBUFFER(size) { \
|
||
|
size_t toadd = (size); \
|
||
|
outlen_total += toadd; \
|
||
|
outlen += toadd; \
|
||
|
if (_PyString_Resize(&outputobj, outlen_total) == -1) \
|
||
|
goto errorexit; \
|
||
|
out = PyString_AS_STRING(outputobj) + (out - out_top); \
|
||
|
out_top = PyString_AS_STRING(outputobj); \
|
||
|
}
|
||
|
while (inplen > 0) {
|
||
|
if (iconv(self->enchdl, &inp, &inplen, &out, &outlen) == -1) {
|
||
|
char reason[128];
|
||
|
int errpos;
|
||
|
|
||
|
if (errno == E2BIG) {
|
||
|
RESIZE_OUTBUFFER(estep);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (errorcb == ERROR_IGNORE || errorcb == ERROR_REPLACE) {
|
||
|
inplen -= Py_UNICODE_SIZE;
|
||
|
inp += Py_UNICODE_SIZE;
|
||
|
if (errorcb == ERROR_REPLACE) {
|
||
|
if (outlen < 1)
|
||
|
RESIZE_OUTBUFFER(errno == EINVAL ? 1 : estep);
|
||
|
outlen--;
|
||
|
*out++ = REPLACEMENT_CHAR_ENCODE;
|
||
|
}
|
||
|
if (errno == EINVAL) break;
|
||
|
else continue;
|
||
|
}
|
||
|
|
||
|
errpos = (int)(inp - inp_top) / Py_UNICODE_SIZE;
|
||
|
sprintf(reason, "Undefined character map from "
|
||
|
#if Py_UNICODE_SIZE == 2
|
||
|
"\\u%04x"
|
||
|
#elif Py_UNICODE_SIZE == 4
|
||
|
"\\u%08x"
|
||
|
#endif
|
||
|
, *(Py_UNICODE *)inp);
|
||
|
|
||
|
if (exceptionobj == NULL) {
|
||
|
if ((exceptionobj = PyUnicodeEncodeError_Create(
|
||
|
self->encoding, input, inputlen,
|
||
|
errpos, errpos + 1, reason)) == NULL)
|
||
|
goto errorexit;
|
||
|
} else {
|
||
|
if (PyUnicodeEncodeError_SetStart(exceptionobj, errpos) != 0)
|
||
|
goto errorexit;
|
||
|
if (PyUnicodeEncodeError_SetEnd(exceptionobj, errpos + 1) != 0)
|
||
|
goto errorexit;
|
||
|
if (PyUnicodeEncodeError_SetReason(exceptionobj, reason) != 0)
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
if (errorcb == ERROR_STRICT) {
|
||
|
PyCodec_StrictErrors(exceptionobj);
|
||
|
goto errorexit;
|
||
|
} else {
|
||
|
PyObject *argsobj, *retobj, *retuni;
|
||
|
long newpos;
|
||
|
|
||
|
argsobj = PyTuple_New(1);
|
||
|
if (argsobj == NULL)
|
||
|
goto errorexit;
|
||
|
PyTuple_SET_ITEM(argsobj, 0, exceptionobj);
|
||
|
Py_INCREF(exceptionobj);
|
||
|
retobj = PyObject_CallObject(errorcb, argsobj);
|
||
|
Py_DECREF(argsobj);
|
||
|
if (retobj == NULL)
|
||
|
goto errorexit;
|
||
|
|
||
|
if (!PyTuple_Check(retobj) || PyTuple_GET_SIZE(retobj) != 2 ||
|
||
|
!PyUnicode_Check((retuni = PyTuple_GET_ITEM(retobj, 0))) ||
|
||
|
!PyInt_Check(PyTuple_GET_ITEM(retobj, 1))) {
|
||
|
Py_DECREF(retobj);
|
||
|
PyErr_SetString(PyExc_ValueError, "encoding error handler "
|
||
|
"must return (unicode, int) tuple");
|
||
|
goto errorexit;
|
||
|
}
|
||
|
if (PyUnicode_GET_SIZE(retuni) > 0) {
|
||
|
#define errorexit errorexit_cbpad
|
||
|
PyObject *retstr = NULL;
|
||
|
int retstrsize;
|
||
|
|
||
|
retstr = PyUnicode_AsEncodedString(
|
||
|
retuni, self->encoding, NULL);
|
||
|
if (retstr == NULL || !PyString_Check(retstr))
|
||
|
goto errorexit;
|
||
|
|
||
|
retstrsize = PyString_GET_SIZE(retstr);
|
||
|
if (outlen < retstrsize)
|
||
|
RESIZE_OUTBUFFER(errno == EINVAL || retstrsize > estep
|
||
|
? retstrsize - outlen : estep);
|
||
|
|
||
|
memcpy(out, PyString_AS_STRING(retstr), retstrsize);
|
||
|
out += retstrsize;
|
||
|
outlen -= retstrsize;
|
||
|
#undef errorexit
|
||
|
if (0) {
|
||
|
errorexit_cbpad: Py_XDECREF(retobj);
|
||
|
Py_XDECREF(retstr);
|
||
|
goto errorexit;
|
||
|
}
|
||
|
Py_DECREF(retstr);
|
||
|
}
|
||
|
|
||
|
newpos = PyInt_AS_LONG(PyTuple_GET_ITEM(retobj, 1));
|
||
|
Py_DECREF(retobj);
|
||
|
|
||
|
if (newpos < 0)
|
||
|
newpos = inputlen - newpos;
|
||
|
if (newpos < 0 || newpos >= inputlen)
|
||
|
break;
|
||
|
inp = inp_top + Py_UNICODE_SIZE * newpos;
|
||
|
inplen = inplen_total - Py_UNICODE_SIZE * newpos;
|
||
|
}
|
||
|
} else
|
||
|
break;
|
||
|
}
|
||
|
#undef RESIZE_OUTBUFFER
|
||
|
|
||
|
{
|
||
|
PyObject *rettup;
|
||
|
int finalsize;
|
||
|
|
||
|
finalsize = (int)(out - out_top);
|
||
|
|
||
|
if (finalsize != outlen_total) {
|
||
|
if (_PyString_Resize(&outputobj, finalsize) == -1)
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
if (errorcb > ERROR_MAX) {
|
||
|
Py_DECREF(errorcb);
|
||
|
}
|
||
|
Py_XDECREF(exceptionobj);
|
||
|
|
||
|
rettup = PyTuple_New(2);
|
||
|
if (rettup == NULL) {
|
||
|
Py_DECREF(outputobj);
|
||
|
return NULL;
|
||
|
}
|
||
|
PyTuple_SET_ITEM(rettup, 0, outputobj);
|
||
|
PyTuple_SET_ITEM(rettup, 1, PyInt_FromLong(inputlen));
|
||
|
return rettup;
|
||
|
}
|
||
|
|
||
|
errorexit:
|
||
|
Py_XDECREF(outputobj);
|
||
|
if (errorcb > ERROR_MAX) {
|
||
|
Py_DECREF(errorcb);
|
||
|
}
|
||
|
Py_XDECREF(exceptionobj);
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
PyDoc_STRVAR(iconvcodec_decode__doc__,
|
||
|
"I.decode(string, [,errors]) -> (unicodeobject, length consumed)\n\
|
||
|
\n\
|
||
|
Decodes `string' using I, an iconvcodec instance. errors may be given\n\
|
||
|
to set a different error handling scheme. Default is 'strict' meaning\n\
|
||
|
that encoding errors raise a UnicodeDecodeError. Other possible values\n\
|
||
|
are 'ignore' and 'replace' as well as any other name registerd with\n\
|
||
|
codecs.register_error that is able to handle UnicodeDecodeErrors.");
|
||
|
|
||
|
static PyObject *
|
||
|
iconvcodec_decode(iconvcodecObject *self, PyObject *args, PyObject *kwargs)
|
||
|
{
|
||
|
static char *kwlist[] = { "input", "errors", NULL };
|
||
|
char *errors = NULL/*strict*/, *out, *out_top;
|
||
|
const char *inp, *inp_top;
|
||
|
int inplen_int;
|
||
|
size_t inplen, inplen_total, outlen, outlen_total, estep;
|
||
|
PyObject *outputobj = NULL, *errorcb = NULL,
|
||
|
*exceptionobj = NULL;
|
||
|
|
||
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|s:decode",
|
||
|
kwlist, &inp, &inplen_int, &errors))
|
||
|
return NULL; /* TypeError */
|
||
|
|
||
|
errorcb = get_errorcallback(errors);
|
||
|
if (errorcb == NULL)
|
||
|
return NULL; /* LookupError or something else from error handler */
|
||
|
|
||
|
inp_top = inp;
|
||
|
inplen_total = inplen = (size_t)inplen_int;
|
||
|
|
||
|
outputobj = PyUnicode_FromUnicode(NULL, inplen);
|
||
|
if (outputobj == NULL)
|
||
|
return NULL;
|
||
|
outlen_total = outlen = PyUnicode_GET_DATA_SIZE(outputobj);
|
||
|
out = out_top = (char *)PyUnicode_AS_UNICODE(outputobj);
|
||
|
|
||
|
estep = outlen / 2;
|
||
|
|
||
|
#define RESIZE_OUTBUFFER(size) { \
|
||
|
size_t toadd = (size); \
|
||
|
outlen_total += toadd; \
|
||
|
outlen += toadd; \
|
||
|
if (PyUnicode_Resize(&outputobj, outlen_total/Py_UNICODE_SIZE) == -1) \
|
||
|
goto errorexit; \
|
||
|
out = (char *)PyUnicode_AS_UNICODE(outputobj) + (out - out_top); \
|
||
|
out_top = (char *)PyUnicode_AS_UNICODE(outputobj); \
|
||
|
}
|
||
|
while (inplen > 0) {
|
||
|
if (iconv(self->dechdl, &inp, &inplen, &out, &outlen) == -1) {
|
||
|
char reason[128], *reasonpos = (char *)reason;
|
||
|
int errpos;
|
||
|
|
||
|
if (errno == E2BIG) {
|
||
|
RESIZE_OUTBUFFER(estep);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (errorcb == ERROR_IGNORE || errorcb == ERROR_REPLACE) {
|
||
|
inplen--; inp++;
|
||
|
if (errorcb == ERROR_REPLACE) {
|
||
|
Py_UNICODE *replp;
|
||
|
|
||
|
if (outlen < Py_UNICODE_SIZE)
|
||
|
RESIZE_OUTBUFFER(
|
||
|
errno == EINVAL || Py_UNICODE_SIZE > estep
|
||
|
? Py_UNICODE_SIZE : estep);
|
||
|
|
||
|
/* some compilers hate casted lvalue */
|
||
|
replp = (Py_UNICODE *)out;
|
||
|
assert((long)replp % Py_UNICODE_SIZE == 0);/* aligned? */
|
||
|
*replp = REPLACEMENT_CHAR_DECODE;
|
||
|
|
||
|
out += Py_UNICODE_SIZE;
|
||
|
outlen -= Py_UNICODE_SIZE;
|
||
|
}
|
||
|
if (errno == EINVAL) break;
|
||
|
else continue;
|
||
|
}
|
||
|
|
||
|
errpos = (int)(inp - inp_top);
|
||
|
reasonpos += sprintf(reason, "Invalid multibyte sequence \\x%02x",
|
||
|
(unsigned char)*inp);
|
||
|
if (inplen > 1) {
|
||
|
reasonpos += sprintf(reasonpos,
|
||
|
"\\x%02x", (unsigned char)*(inp+1));
|
||
|
if (inplen > 2)
|
||
|
sprintf(reasonpos, "\\x%02x", (unsigned char)*(inp+2));
|
||
|
}
|
||
|
|
||
|
if (exceptionobj == NULL) {
|
||
|
exceptionobj = PyUnicodeDecodeError_Create(
|
||
|
self->encoding, inp_top, inplen_total,
|
||
|
errpos, errpos + 1, reason);
|
||
|
if (exceptionobj == NULL)
|
||
|
goto errorexit;
|
||
|
} else {
|
||
|
if (PyUnicodeDecodeError_SetStart(exceptionobj, errpos) != 0)
|
||
|
goto errorexit;
|
||
|
if (PyUnicodeDecodeError_SetEnd(exceptionobj, errpos + 1) != 0)
|
||
|
goto errorexit;
|
||
|
if (PyUnicodeDecodeError_SetReason(exceptionobj, reason) != 0)
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
if (errorcb == ERROR_STRICT) {
|
||
|
PyCodec_StrictErrors(exceptionobj);
|
||
|
goto errorexit;
|
||
|
} else {
|
||
|
PyObject *argsobj, *retobj, *retuni;
|
||
|
long newpos;
|
||
|
|
||
|
argsobj = PyTuple_New(1);
|
||
|
if (argsobj == NULL)
|
||
|
goto errorexit;
|
||
|
PyTuple_SET_ITEM(argsobj, 0, exceptionobj);
|
||
|
Py_INCREF(exceptionobj);
|
||
|
retobj = PyObject_CallObject(errorcb, argsobj);
|
||
|
Py_DECREF(argsobj);
|
||
|
if (retobj == NULL)
|
||
|
goto errorexit;
|
||
|
|
||
|
if (!PyTuple_Check(retobj) || PyTuple_GET_SIZE(retobj) != 2 ||
|
||
|
!PyUnicode_Check((retuni = PyTuple_GET_ITEM(retobj, 0))) ||
|
||
|
!PyInt_Check(PyTuple_GET_ITEM(retobj, 1))) {
|
||
|
Py_DECREF(retobj);
|
||
|
PyErr_SetString(PyExc_ValueError, "decoding error handler "
|
||
|
"must return (unicode, int) tuple");
|
||
|
goto errorexit;
|
||
|
}
|
||
|
if (PyUnicode_GET_SIZE(retuni) > 0) {
|
||
|
#define errorexit errorexit_cbpad
|
||
|
size_t retunisize;
|
||
|
|
||
|
retunisize = PyUnicode_GET_DATA_SIZE(retuni);
|
||
|
if (outlen < retunisize)
|
||
|
RESIZE_OUTBUFFER(errno == EINVAL || retunisize > estep
|
||
|
? retunisize - outlen : estep);
|
||
|
|
||
|
memcpy(out, PyUnicode_AS_DATA(retuni), retunisize);
|
||
|
out += retunisize;
|
||
|
outlen -= retunisize;
|
||
|
#undef errorexit
|
||
|
if (0) {
|
||
|
errorexit_cbpad: Py_DECREF(retobj);
|
||
|
goto errorexit;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
newpos = PyInt_AS_LONG(PyTuple_GET_ITEM(retobj, 1));
|
||
|
Py_DECREF(retobj);
|
||
|
|
||
|
if (newpos < 0)
|
||
|
newpos = inplen_total - newpos;
|
||
|
if (newpos < 0 || newpos >= inplen_total)
|
||
|
break;
|
||
|
inp = inp_top + newpos;
|
||
|
inplen = inplen_total - newpos;
|
||
|
}
|
||
|
} else
|
||
|
break;
|
||
|
}
|
||
|
#undef RESIZE_OUTBUFFER
|
||
|
|
||
|
{
|
||
|
PyObject *rettup;
|
||
|
int finalsize;
|
||
|
|
||
|
finalsize = (int)(out - out_top);
|
||
|
if (finalsize != outlen_total) {
|
||
|
if (PyUnicode_Resize(&outputobj, finalsize / Py_UNICODE_SIZE) == -1)
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
if (errorcb > ERROR_MAX) {
|
||
|
Py_DECREF(errorcb);
|
||
|
}
|
||
|
Py_XDECREF(exceptionobj);
|
||
|
|
||
|
rettup = PyTuple_New(2);
|
||
|
if (rettup == NULL) {
|
||
|
Py_DECREF(outputobj);
|
||
|
return NULL;
|
||
|
}
|
||
|
PyTuple_SET_ITEM(rettup, 0, outputobj);
|
||
|
PyTuple_SET_ITEM(rettup, 1, PyInt_FromLong(inplen_total));
|
||
|
return rettup;
|
||
|
}
|
||
|
|
||
|
errorexit:
|
||
|
Py_XDECREF(outputobj);
|
||
|
if (errorcb > ERROR_MAX) {
|
||
|
Py_DECREF(errorcb);
|
||
|
}
|
||
|
Py_XDECREF(exceptionobj);
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static struct PyMethodDef iconvcodec_methods[] = {
|
||
|
{"encode", (PyCFunction)iconvcodec_encode,
|
||
|
METH_VARARGS | METH_KEYWORDS,
|
||
|
iconvcodec_encode__doc__},
|
||
|
{"decode", (PyCFunction)iconvcodec_decode,
|
||
|
METH_VARARGS | METH_KEYWORDS,
|
||
|
iconvcodec_decode__doc__},
|
||
|
{NULL, NULL},
|
||
|
};
|
||
|
|
||
|
static PyObject *
|
||
|
iconvcodec_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
|
||
|
{
|
||
|
PyObject *encobj = NULL;
|
||
|
iconvcodecObject *new = NULL;
|
||
|
|
||
|
new = (iconvcodecObject *)type->tp_alloc(type, 0);
|
||
|
if (new == NULL)
|
||
|
return NULL;
|
||
|
|
||
|
new->encoding = NULL;
|
||
|
new->enchdl = new->dechdl = (iconv_t)(-1);
|
||
|
|
||
|
encobj = PyObject_GetAttrString((PyObject *)new, "encoding");
|
||
|
if (encobj == NULL) {
|
||
|
PyErr_Clear();
|
||
|
new->encoding = PyMem_Malloc(sizeof(DEFAULT_ENCODING));
|
||
|
strcpy(new->encoding, DEFAULT_ENCODING);
|
||
|
} else if (!PyString_Check(encobj)) {
|
||
|
Py_DECREF(encobj);
|
||
|
PyErr_SetString(PyExc_TypeError,
|
||
|
"`encoding' attribute must be a string.");
|
||
|
goto errorexit;
|
||
|
} else {
|
||
|
new->encoding = PyMem_Malloc(PyString_GET_SIZE(encobj) + 1);
|
||
|
strcpy(new->encoding, PyString_AS_STRING(encobj));
|
||
|
Py_DECREF(encobj);
|
||
|
}
|
||
|
|
||
|
new->dechdl = iconv_open(UNICODE_ENCODING, new->encoding);
|
||
|
if (new->dechdl == (iconv_t)(-1)) {
|
||
|
PyErr_SetString(PyExc_ValueError, "unsupported decoding");
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
new->enchdl = iconv_open(new->encoding, UNICODE_ENCODING);
|
||
|
if (new->enchdl == (iconv_t)(-1)) {
|
||
|
PyErr_SetString(PyExc_ValueError, "unsupported encoding");
|
||
|
iconv_close(new->dechdl);
|
||
|
new->dechdl = (iconv_t)(-1);
|
||
|
goto errorexit;
|
||
|
}
|
||
|
|
||
|
return (PyObject *)new;
|
||
|
|
||
|
errorexit:
|
||
|
Py_XDECREF(new);
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
iconvcodec_dealloc(iconvcodecObject *self)
|
||
|
{
|
||
|
_PyObject_GC_UNTRACK(self);
|
||
|
|
||
|
if (self->enchdl != (iconv_t)-1)
|
||
|
iconv_close(self->enchdl);
|
||
|
if (self->dechdl != (iconv_t)-1)
|
||
|
iconv_close(self->dechdl);
|
||
|
if (self->encoding != NULL)
|
||
|
PyMem_Free(self->encoding);
|
||
|
|
||
|
PyObject_GC_Del(self);
|
||
|
}
|
||
|
|
||
|
static PyObject *
|
||
|
iconvcodec_repr(PyObject *self)
|
||
|
{
|
||
|
return PyString_FromFormat("<iconvcodec encoding='%s'>",
|
||
|
((iconvcodecObject *)self)->encoding);
|
||
|
}
|
||
|
|
||
|
statichere PyTypeObject iconvcodec_Type = {
|
||
|
PyObject_HEAD_INIT(&PyType_Type)
|
||
|
0, /* Number of items for varobject */
|
||
|
"iconvcodec", /* Name of this type */
|
||
|
sizeof(iconvcodecObject), /* Basic object size */
|
||
|
0, /* Item size for varobject */
|
||
|
(destructor)iconvcodec_dealloc, /* tp_dealloc */
|
||
|
0, /* tp_print */
|
||
|
0, /* tp_getattr */
|
||
|
0, /* tp_setattr */
|
||
|
0, /* tp_compare */
|
||
|
iconvcodec_repr, /* tp_repr */
|
||
|
0, /* tp_as_number */
|
||
|
0, /* tp_as_sequence */
|
||
|
0, /* tp_as_mapping */
|
||
|
0, /* tp_hash */
|
||
|
0, /* tp_call */
|
||
|
0, /* tp_str */
|
||
|
PyObject_GenericGetAttr, /* tp_getattro */
|
||
|
0, /* tp_setattro */
|
||
|
0, /* tp_as_buffer */
|
||
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE |
|
||
|
Py_TPFLAGS_HAVE_GC, /* tp_flags */
|
||
|
iconvcodec_doc, /* tp_doc */
|
||
|
0, /* tp_traverse */
|
||
|
0, /* tp_clear */
|
||
|
0, /* tp_richcompare */
|
||
|
0, /* tp_weaklistoffset */
|
||
|
0, /* tp_iter */
|
||
|
0, /* tp_iterext */
|
||
|
iconvcodec_methods, /* tp_methods */
|
||
|
0, /* tp_members */
|
||
|
0, /* tp_getset */
|
||
|
0, /* tp_base */
|
||
|
0, /* tp_dict */
|
||
|
0, /* tp_descr_get */
|
||
|
0, /* tp_descr_set */
|
||
|
0, /* tp_dictoffset */
|
||
|
0, /* tp_init */
|
||
|
PyType_GenericAlloc, /* tp_alloc */
|
||
|
iconvcodec_new, /* tp_new */
|
||
|
PyObject_GC_Del, /* tp_free */
|
||
|
};
|
||
|
|
||
|
static struct PyMethodDef _iconv_codec_methods[] = {
|
||
|
{NULL, NULL},
|
||
|
};
|
||
|
|
||
|
void
|
||
|
init_iconv_codec(void)
|
||
|
{
|
||
|
PyObject *m, *d, *t;
|
||
|
|
||
|
m = Py_InitModule("_iconv_codec", _iconv_codec_methods);
|
||
|
|
||
|
d = PyModule_GetDict(m);
|
||
|
|
||
|
t = PyString_FromString(__version__);
|
||
|
PyDict_SetItemString(d, "__version__", t);
|
||
|
Py_DECREF(t);
|
||
|
|
||
|
PyDict_SetItemString(d, "iconvcodec", (PyObject *)(&iconvcodec_Type));
|
||
|
PyModule_AddStringConstant(m, "internal_encoding", UNICODE_ENCODING);
|
||
|
|
||
|
if (PyErr_Occurred())
|
||
|
Py_FatalError("can't initialize the _iconv_codec module");
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* ex: ts=8 sts=4 et
|
||
|
* $Id$
|
||
|
*/
|