1 /*
2 * libxml.c: this modules implements the main part of the glue of the
3 * libxml2 library and the Python interpreter. It provides the
4 * entry points where an automatically generated stub is either
5 * unpractical or would not match cleanly the Python model.
6 *
7 * If compiled with MERGED_MODULES, the entry point will be used to
8 * initialize both the libxml2 and the libxslt wrappers
9 *
10 * See Copyright for the status of this software.
11 *
12 * daniel@veillard.com
13 */
14 #include <Python.h>
15 #include <fileobject.h>
16 /* #include "config.h" */
17 #include <libxml/xmlmemory.h>
18 #include <libxml/parser.h>
19 #include <libxml/tree.h>
20 #include <libxml/xpath.h>
21 #include <libxml/xmlerror.h>
22 #include <libxml/xpathInternals.h>
23 #include <libxml/xmlmemory.h>
24 #include <libxml/xmlIO.h>
25 #include <libxml/c14n.h>
26 #include <libxml/xmlreader.h>
27 #include <libxml/xmlsave.h>
28 #include "libxml_wrap.h"
29 #include "libxml2-py.h"
30
31 #if defined(WITH_TRIO)
32 #include "trio.h"
33 #define vsnprintf trio_vsnprintf
34 #endif
35
36 /* #define DEBUG */
37 /* #define DEBUG_SAX */
38 /* #define DEBUG_XPATH */
39 /* #define DEBUG_ERROR */
40 /* #define DEBUG_MEMORY */
41 /* #define DEBUG_FILES */
42 /* #define DEBUG_LOADER */
43
44 #if PY_MAJOR_VERSION >= 3
45 PyObject *PyInit_libxml2mod(void);
46
47 #define PY_IMPORT_STRING_SIZE PyUnicode_FromStringAndSize
48 #define PY_IMPORT_STRING PyUnicode_FromString
49 #else
50 void initlibxml2mod(void);
51 #define PY_IMPORT_STRING_SIZE PyString_FromStringAndSize
52 #define PY_IMPORT_STRING PyString_FromString
53 #endif
54
55
56 /**
57 * TODO:
58 *
59 * macro to flag unimplemented blocks
60 */
61 #define TODO \
62 xmlGenericError(xmlGenericErrorContext, \
63 "Unimplemented block at %s:%d\n", \
64 __FILE__, __LINE__);
65 /*
66 * the following vars are used for XPath extensions, but
67 * are also referenced within the parser cleanup routine.
68 */
69 static int libxml_xpathCallbacksInitialized = 0;
70
71 typedef struct libxml_xpathCallback {
72 xmlXPathContextPtr ctx;
73 xmlChar *name;
74 xmlChar *ns_uri;
75 PyObject *function;
76 } libxml_xpathCallback, *libxml_xpathCallbackPtr;
77 typedef libxml_xpathCallback libxml_xpathCallbackArray[];
78 static int libxml_xpathCallbacksAllocd = 10;
79 static libxml_xpathCallbackArray *libxml_xpathCallbacks = NULL;
80 static int libxml_xpathCallbacksNb = 0;
81
82 /************************************************************************
83 * *
84 * Memory debug interface *
85 * *
86 ************************************************************************/
87
88 #if 0
89 extern void xmlMemFree(void *ptr);
90 extern void *xmlMemMalloc(size_t size);
91 extern void *xmlMemRealloc(void *ptr, size_t size);
92 extern char *xmlMemoryStrdup(const char *str);
93 #endif
94
95 static int libxmlMemoryDebugActivated = 0;
96 static long libxmlMemoryAllocatedBase = 0;
97
98 static int libxmlMemoryDebug = 0;
99 static xmlFreeFunc freeFunc = NULL;
100 static xmlMallocFunc mallocFunc = NULL;
101 static xmlReallocFunc reallocFunc = NULL;
102 static xmlStrdupFunc strdupFunc = NULL;
103
104 static void
105 libxml_xmlErrorInitialize(void); /* forward declare */
106
107 PyObject *
libxml_xmlMemoryUsed(PyObject * self ATTRIBUTE_UNUSED,PyObject * args ATTRIBUTE_UNUSED)108 libxml_xmlMemoryUsed(PyObject * self ATTRIBUTE_UNUSED,
109 PyObject * args ATTRIBUTE_UNUSED)
110 {
111 long ret;
112 PyObject *py_retval;
113
114 ret = xmlMemUsed();
115
116 py_retval = libxml_longWrap(ret);
117 return (py_retval);
118 }
119
120 PyObject *
libxml_xmlDebugMemory(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)121 libxml_xmlDebugMemory(PyObject * self ATTRIBUTE_UNUSED, PyObject * args)
122 {
123 int activate;
124 PyObject *py_retval;
125 long ret;
126
127 if (!PyArg_ParseTuple(args, (char *) "i:xmlDebugMemory", &activate))
128 return (NULL);
129
130 #ifdef DEBUG_MEMORY
131 printf("libxml_xmlDebugMemory(%d) called\n", activate);
132 #endif
133
134 if (activate != 0) {
135 if (libxmlMemoryDebug == 0) {
136 /*
137 * First initialize the library and grab the old memory handlers
138 * and switch the library to memory debugging
139 */
140 xmlMemGet((xmlFreeFunc *) & freeFunc,
141 (xmlMallocFunc *) & mallocFunc,
142 (xmlReallocFunc *) & reallocFunc,
143 (xmlStrdupFunc *) & strdupFunc);
144 if ((freeFunc == xmlMemFree) && (mallocFunc == xmlMemMalloc) &&
145 (reallocFunc == xmlMemRealloc) &&
146 (strdupFunc == xmlMemoryStrdup)) {
147 libxmlMemoryAllocatedBase = xmlMemUsed();
148 } else {
149 /*
150 * cleanup first, because some memory has been
151 * allocated with the non-debug malloc in xmlInitParser
152 * when the python module was imported
153 */
154 xmlCleanupParser();
155 ret = (long) xmlMemSetup(xmlMemFree, xmlMemMalloc,
156 xmlMemRealloc, xmlMemoryStrdup);
157 if (ret < 0)
158 goto error;
159 libxmlMemoryAllocatedBase = xmlMemUsed();
160 /* reinitialize */
161 xmlInitParser();
162 libxml_xmlErrorInitialize();
163 }
164 ret = 0;
165 } else if (libxmlMemoryDebugActivated == 0) {
166 libxmlMemoryAllocatedBase = xmlMemUsed();
167 ret = 0;
168 } else {
169 ret = xmlMemUsed() - libxmlMemoryAllocatedBase;
170 }
171 libxmlMemoryDebug = 1;
172 libxmlMemoryDebugActivated = 1;
173 } else {
174 if (libxmlMemoryDebugActivated == 1)
175 ret = xmlMemUsed() - libxmlMemoryAllocatedBase;
176 else
177 ret = 0;
178 libxmlMemoryDebugActivated = 0;
179 }
180 error:
181 py_retval = libxml_longWrap(ret);
182 return (py_retval);
183 }
184
185 PyObject *
libxml_xmlPythonCleanupParser(PyObject * self ATTRIBUTE_UNUSED,PyObject * args ATTRIBUTE_UNUSED)186 libxml_xmlPythonCleanupParser(PyObject *self ATTRIBUTE_UNUSED,
187 PyObject *args ATTRIBUTE_UNUSED) {
188
189 int ix;
190 long freed = -1;
191
192 if (libxmlMemoryDebug) {
193 freed = xmlMemUsed();
194 }
195
196 xmlCleanupParser();
197 /*
198 * Need to confirm whether we really want to do this (required for
199 * memcheck) in all cases...
200 */
201
202 if (libxml_xpathCallbacks != NULL) { /* if ext funcs declared */
203 for (ix=0; ix<libxml_xpathCallbacksNb; ix++) {
204 if ((*libxml_xpathCallbacks)[ix].name != NULL)
205 xmlFree((*libxml_xpathCallbacks)[ix].name);
206 if ((*libxml_xpathCallbacks)[ix].ns_uri != NULL)
207 xmlFree((*libxml_xpathCallbacks)[ix].ns_uri);
208 }
209 libxml_xpathCallbacksNb = 0;
210 xmlFree(libxml_xpathCallbacks);
211 libxml_xpathCallbacks = NULL;
212 }
213
214 if (libxmlMemoryDebug) {
215 freed -= xmlMemUsed();
216 libxmlMemoryAllocatedBase -= freed;
217 if (libxmlMemoryAllocatedBase < 0)
218 libxmlMemoryAllocatedBase = 0;
219 }
220
221 Py_INCREF(Py_None);
222 return(Py_None);
223 }
224
225 PyObject *
libxml_xmlDumpMemory(ATTRIBUTE_UNUSED PyObject * self,ATTRIBUTE_UNUSED PyObject * args)226 libxml_xmlDumpMemory(ATTRIBUTE_UNUSED PyObject * self,
227 ATTRIBUTE_UNUSED PyObject * args)
228 {
229
230 if (libxmlMemoryDebug != 0)
231 xmlMemoryDump();
232 Py_INCREF(Py_None);
233 return (Py_None);
234 }
235
236 /************************************************************************
237 * *
238 * Handling Python FILE I/O at the C level *
239 * The raw I/O attack diectly the File objects, while the *
240 * other routines address the ioWrapper instance instead *
241 * *
242 ************************************************************************/
243
244 /**
245 * xmlPythonFileCloseUnref:
246 * @context: the I/O context
247 *
248 * Close an I/O channel
249 */
250 static int
xmlPythonFileCloseRaw(void * context)251 xmlPythonFileCloseRaw (void * context) {
252 PyObject *file, *ret;
253
254 #ifdef DEBUG_FILES
255 printf("xmlPythonFileCloseUnref\n");
256 #endif
257 file = (PyObject *) context;
258 if (file == NULL) return(-1);
259 ret = PyEval_CallMethod(file, (char *) "close", (char *) "()");
260 if (ret != NULL) {
261 Py_DECREF(ret);
262 }
263 Py_DECREF(file);
264 return(0);
265 }
266
267 /**
268 * xmlPythonFileReadRaw:
269 * @context: the I/O context
270 * @buffer: where to drop data
271 * @len: number of bytes to write
272 *
273 * Read @len bytes to @buffer from the Python file in the I/O channel
274 *
275 * Returns the number of bytes read
276 */
277 static int
xmlPythonFileReadRaw(void * context,char * buffer,int len)278 xmlPythonFileReadRaw (void * context, char * buffer, int len) {
279 PyObject *file;
280 PyObject *ret;
281 int lenread = -1;
282 char *data;
283
284 #ifdef DEBUG_FILES
285 printf("xmlPythonFileReadRaw: %d\n", len);
286 #endif
287 file = (PyObject *) context;
288 if (file == NULL) return(-1);
289 ret = PyEval_CallMethod(file, (char *) "read", (char *) "(i)", len);
290 if (ret == NULL) {
291 printf("xmlPythonFileReadRaw: result is NULL\n");
292 return(-1);
293 } else if (PyBytes_Check(ret)) {
294 lenread = PyBytes_Size(ret);
295 data = PyBytes_AsString(ret);
296 #ifdef PyUnicode_Check
297 } else if PyUnicode_Check (ret) {
298 #if PY_VERSION_HEX >= 0x03030000
299 Py_ssize_t size;
300 const char *tmp;
301
302 /* tmp doesn't need to be deallocated */
303 tmp = PyUnicode_AsUTF8AndSize(ret, &size);
304
305 lenread = (int) size;
306 data = (char *) tmp;
307 #else
308 PyObject *b;
309 b = PyUnicode_AsUTF8String(ret);
310 if (b == NULL) {
311 printf("xmlPythonFileReadRaw: failed to convert to UTF-8\n");
312 return(-1);
313 }
314 lenread = PyBytes_Size(b);
315 data = PyBytes_AsString(b);
316 Py_DECREF(b);
317 #endif
318 #endif
319 } else {
320 printf("xmlPythonFileReadRaw: result is not a String\n");
321 Py_DECREF(ret);
322 return(-1);
323 }
324 if (lenread > len)
325 memcpy(buffer, data, len);
326 else
327 memcpy(buffer, data, lenread);
328 Py_DECREF(ret);
329 return(lenread);
330 }
331
332 /**
333 * xmlPythonFileRead:
334 * @context: the I/O context
335 * @buffer: where to drop data
336 * @len: number of bytes to write
337 *
338 * Read @len bytes to @buffer from the I/O channel.
339 *
340 * Returns the number of bytes read
341 */
342 static int
xmlPythonFileRead(void * context,char * buffer,int len)343 xmlPythonFileRead (void * context, char * buffer, int len) {
344 PyObject *file;
345 PyObject *ret;
346 int lenread = -1;
347 char *data;
348
349 #ifdef DEBUG_FILES
350 printf("xmlPythonFileRead: %d\n", len);
351 #endif
352 file = (PyObject *) context;
353 if (file == NULL) return(-1);
354 ret = PyEval_CallMethod(file, (char *) "io_read", (char *) "(i)", len);
355 if (ret == NULL) {
356 printf("xmlPythonFileRead: result is NULL\n");
357 return(-1);
358 } else if (PyBytes_Check(ret)) {
359 lenread = PyBytes_Size(ret);
360 data = PyBytes_AsString(ret);
361 #ifdef PyUnicode_Check
362 } else if PyUnicode_Check (ret) {
363 #if PY_VERSION_HEX >= 0x03030000
364 Py_ssize_t size;
365 const char *tmp;
366
367 /* tmp doesn't need to be deallocated */
368 tmp = PyUnicode_AsUTF8AndSize(ret, &size);
369
370 lenread = (int) size;
371 data = (char *) tmp;
372 #else
373 PyObject *b;
374 b = PyUnicode_AsUTF8String(ret);
375 if (b == NULL) {
376 printf("xmlPythonFileRead: failed to convert to UTF-8\n");
377 return(-1);
378 }
379 lenread = PyBytes_Size(b);
380 data = PyBytes_AsString(b);
381 Py_DECREF(b);
382 #endif
383 #endif
384 } else {
385 printf("xmlPythonFileRead: result is not a String\n");
386 Py_DECREF(ret);
387 return(-1);
388 }
389 if (lenread > len)
390 memcpy(buffer, data, len);
391 else
392 memcpy(buffer, data, lenread);
393 Py_DECREF(ret);
394 return(lenread);
395 }
396
397 /**
398 * xmlFileWrite:
399 * @context: the I/O context
400 * @buffer: where to drop data
401 * @len: number of bytes to write
402 *
403 * Write @len bytes from @buffer to the I/O channel.
404 *
405 * Returns the number of bytes written
406 */
407 static int
xmlPythonFileWrite(void * context,const char * buffer,int len)408 xmlPythonFileWrite (void * context, const char * buffer, int len) {
409 PyObject *file;
410 PyObject *string;
411 PyObject *ret = NULL;
412 int written = -1;
413
414 #ifdef DEBUG_FILES
415 printf("xmlPythonFileWrite: %d\n", len);
416 #endif
417 file = (PyObject *) context;
418 if (file == NULL) return(-1);
419 string = PY_IMPORT_STRING_SIZE(buffer, len);
420 if (string == NULL) return(-1);
421 if (PyObject_HasAttrString(file, (char *) "io_write")) {
422 ret = PyEval_CallMethod(file, (char *) "io_write", (char *) "(O)",
423 string);
424 } else if (PyObject_HasAttrString(file, (char *) "write")) {
425 ret = PyEval_CallMethod(file, (char *) "write", (char *) "(O)",
426 string);
427 }
428 Py_DECREF(string);
429 if (ret == NULL) {
430 printf("xmlPythonFileWrite: result is NULL\n");
431 return(-1);
432 } else if (PyLong_Check(ret)) {
433 written = (int) PyLong_AsLong(ret);
434 Py_DECREF(ret);
435 } else if (ret == Py_None) {
436 written = len;
437 Py_DECREF(ret);
438 } else {
439 printf("xmlPythonFileWrite: result is not an Int nor None\n");
440 Py_DECREF(ret);
441 }
442 return(written);
443 }
444
445 /**
446 * xmlPythonFileClose:
447 * @context: the I/O context
448 *
449 * Close an I/O channel
450 */
451 static int
xmlPythonFileClose(void * context)452 xmlPythonFileClose (void * context) {
453 PyObject *file, *ret = NULL;
454
455 #ifdef DEBUG_FILES
456 printf("xmlPythonFileClose\n");
457 #endif
458 file = (PyObject *) context;
459 if (file == NULL) return(-1);
460 if (PyObject_HasAttrString(file, (char *) "io_close")) {
461 ret = PyEval_CallMethod(file, (char *) "io_close", (char *) "()");
462 } else if (PyObject_HasAttrString(file, (char *) "flush")) {
463 ret = PyEval_CallMethod(file, (char *) "flush", (char *) "()");
464 }
465 if (ret != NULL) {
466 Py_DECREF(ret);
467 }
468 return(0);
469 }
470
471 #ifdef LIBXML_OUTPUT_ENABLED
472 /**
473 * xmlOutputBufferCreatePythonFile:
474 * @file: a PyFile_Type
475 * @encoder: the encoding converter or NULL
476 *
477 * Create a buffered output for the progressive saving to a PyFile_Type
478 * buffered C I/O
479 *
480 * Returns the new parser output or NULL
481 */
482 static xmlOutputBufferPtr
xmlOutputBufferCreatePythonFile(PyObject * file,xmlCharEncodingHandlerPtr encoder)483 xmlOutputBufferCreatePythonFile(PyObject *file,
484 xmlCharEncodingHandlerPtr encoder) {
485 xmlOutputBufferPtr ret;
486
487 if (file == NULL) return(NULL);
488
489 ret = xmlAllocOutputBuffer(encoder);
490 if (ret != NULL) {
491 ret->context = file;
492 /* Py_INCREF(file); */
493 ret->writecallback = xmlPythonFileWrite;
494 ret->closecallback = xmlPythonFileClose;
495 }
496
497 return(ret);
498 }
499
500 PyObject *
libxml_xmlCreateOutputBuffer(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)501 libxml_xmlCreateOutputBuffer(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
502 PyObject *py_retval;
503 PyObject *file;
504 xmlChar *encoding;
505 xmlCharEncodingHandlerPtr handler = NULL;
506 xmlOutputBufferPtr buffer;
507
508
509 if (!PyArg_ParseTuple(args, (char *)"Oz:xmlOutputBufferCreate",
510 &file, &encoding))
511 return(NULL);
512 if ((encoding != NULL) && (encoding[0] != 0)) {
513 handler = xmlFindCharEncodingHandler((const char *) encoding);
514 }
515 buffer = xmlOutputBufferCreatePythonFile(file, handler);
516 if (buffer == NULL)
517 printf("libxml_xmlCreateOutputBuffer: buffer == NULL\n");
518 py_retval = libxml_xmlOutputBufferPtrWrap(buffer);
519 return(py_retval);
520 }
521
522 /**
523 * libxml_outputBufferGetPythonFile:
524 * @buffer: the I/O buffer
525 *
526 * read the Python I/O from the CObject
527 *
528 * Returns the new parser output or NULL
529 */
530 static PyObject *
libxml_outputBufferGetPythonFile(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)531 libxml_outputBufferGetPythonFile(ATTRIBUTE_UNUSED PyObject *self,
532 PyObject *args) {
533 PyObject *buffer;
534 PyObject *file;
535 xmlOutputBufferPtr obj;
536
537 if (!PyArg_ParseTuple(args, (char *)"O:outputBufferGetPythonFile",
538 &buffer))
539 return(NULL);
540
541 obj = PyoutputBuffer_Get(buffer);
542 if (obj == NULL) {
543 fprintf(stderr,
544 "outputBufferGetPythonFile: obj == NULL\n");
545 Py_INCREF(Py_None);
546 return(Py_None);
547 }
548 if (obj->closecallback != xmlPythonFileClose) {
549 fprintf(stderr,
550 "outputBufferGetPythonFile: not a python file wrapper\n");
551 Py_INCREF(Py_None);
552 return(Py_None);
553 }
554 file = (PyObject *) obj->context;
555 if (file == NULL) {
556 Py_INCREF(Py_None);
557 return(Py_None);
558 }
559 Py_INCREF(file);
560 return(file);
561 }
562
563 static PyObject *
libxml_xmlOutputBufferClose(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)564 libxml_xmlOutputBufferClose(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
565 PyObject *py_retval;
566 int c_retval;
567 xmlOutputBufferPtr out;
568 PyObject *pyobj_out;
569
570 if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferClose", &pyobj_out))
571 return(NULL);
572 out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
573 /* Buffer may already have been destroyed elsewhere. This is harmless. */
574 if (out == NULL) {
575 Py_INCREF(Py_None);
576 return(Py_None);
577 }
578
579 c_retval = xmlOutputBufferClose(out);
580 py_retval = libxml_intWrap((int) c_retval);
581 return(py_retval);
582 }
583
584 static PyObject *
libxml_xmlOutputBufferFlush(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)585 libxml_xmlOutputBufferFlush(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
586 PyObject *py_retval;
587 int c_retval;
588 xmlOutputBufferPtr out;
589 PyObject *pyobj_out;
590
591 if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferFlush", &pyobj_out))
592 return(NULL);
593 out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
594
595 c_retval = xmlOutputBufferFlush(out);
596 py_retval = libxml_intWrap((int) c_retval);
597 return(py_retval);
598 }
599
600 static PyObject *
libxml_xmlSaveFileTo(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)601 libxml_xmlSaveFileTo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
602 PyObject *py_retval;
603 int c_retval;
604 xmlOutputBufferPtr buf;
605 PyObject *pyobj_buf;
606 xmlDocPtr cur;
607 PyObject *pyobj_cur;
608 char * encoding;
609
610 if (!PyArg_ParseTuple(args, (char *)"OOz:xmlSaveFileTo", &pyobj_buf, &pyobj_cur, &encoding))
611 return(NULL);
612 buf = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_buf);
613 cur = (xmlDocPtr) PyxmlNode_Get(pyobj_cur);
614
615 c_retval = xmlSaveFileTo(buf, cur, encoding);
616 /* xmlSaveTo() freed the memory pointed to by buf, so record that in the
617 * Python object. */
618 ((PyoutputBuffer_Object *)(pyobj_buf))->obj = NULL;
619 py_retval = libxml_intWrap((int) c_retval);
620 return(py_retval);
621 }
622
623 static PyObject *
libxml_xmlSaveFormatFileTo(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)624 libxml_xmlSaveFormatFileTo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
625 PyObject *py_retval;
626 int c_retval;
627 xmlOutputBufferPtr buf;
628 PyObject *pyobj_buf;
629 xmlDocPtr cur;
630 PyObject *pyobj_cur;
631 char * encoding;
632 int format;
633
634 if (!PyArg_ParseTuple(args, (char *)"OOzi:xmlSaveFormatFileTo", &pyobj_buf, &pyobj_cur, &encoding, &format))
635 return(NULL);
636 buf = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_buf);
637 cur = (xmlDocPtr) PyxmlNode_Get(pyobj_cur);
638
639 c_retval = xmlSaveFormatFileTo(buf, cur, encoding, format);
640 /* xmlSaveFormatFileTo() freed the memory pointed to by buf, so record that
641 * in the Python object */
642 ((PyoutputBuffer_Object *)(pyobj_buf))->obj = NULL;
643 py_retval = libxml_intWrap((int) c_retval);
644 return(py_retval);
645 }
646 #endif /* LIBXML_OUTPUT_ENABLED */
647
648
649 /**
650 * xmlParserInputBufferCreatePythonFile:
651 * @file: a PyFile_Type
652 * @encoder: the encoding converter or NULL
653 *
654 * Create a buffered output for the progressive saving to a PyFile_Type
655 * buffered C I/O
656 *
657 * Returns the new parser output or NULL
658 */
659 static xmlParserInputBufferPtr
xmlParserInputBufferCreatePythonFile(PyObject * file,xmlCharEncoding encoding)660 xmlParserInputBufferCreatePythonFile(PyObject *file,
661 xmlCharEncoding encoding) {
662 xmlParserInputBufferPtr ret;
663
664 if (file == NULL) return(NULL);
665
666 ret = xmlAllocParserInputBuffer(encoding);
667 if (ret != NULL) {
668 ret->context = file;
669 /* Py_INCREF(file); */
670 ret->readcallback = xmlPythonFileRead;
671 ret->closecallback = xmlPythonFileClose;
672 }
673
674 return(ret);
675 }
676
677 PyObject *
libxml_xmlCreateInputBuffer(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)678 libxml_xmlCreateInputBuffer(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
679 PyObject *py_retval;
680 PyObject *file;
681 xmlChar *encoding;
682 xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
683 xmlParserInputBufferPtr buffer;
684
685
686 if (!PyArg_ParseTuple(args, (char *)"Oz:xmlParserInputBufferCreate",
687 &file, &encoding))
688 return(NULL);
689 if ((encoding != NULL) && (encoding[0] != 0)) {
690 enc = xmlParseCharEncoding((const char *) encoding);
691 }
692 buffer = xmlParserInputBufferCreatePythonFile(file, enc);
693 if (buffer == NULL)
694 printf("libxml_xmlParserInputBufferCreate: buffer == NULL\n");
695 py_retval = libxml_xmlParserInputBufferPtrWrap(buffer);
696 return(py_retval);
697 }
698
699 /************************************************************************
700 * *
701 * Providing the resolver at the Python level *
702 * *
703 ************************************************************************/
704
705 static xmlExternalEntityLoader defaultExternalEntityLoader = NULL;
706 static PyObject *pythonExternalEntityLoaderObjext;
707
708 static xmlParserInputPtr
pythonExternalEntityLoader(const char * URL,const char * ID,xmlParserCtxtPtr ctxt)709 pythonExternalEntityLoader(const char *URL, const char *ID,
710 xmlParserCtxtPtr ctxt) {
711 xmlParserInputPtr result = NULL;
712 if (pythonExternalEntityLoaderObjext != NULL) {
713 PyObject *ret;
714 PyObject *ctxtobj;
715
716 ctxtobj = libxml_xmlParserCtxtPtrWrap(ctxt);
717 #ifdef DEBUG_LOADER
718 printf("pythonExternalEntityLoader: ready to call\n");
719 #endif
720
721 ret = PyObject_CallFunction(pythonExternalEntityLoaderObjext,
722 (char *) "(ssO)", URL, ID, ctxtobj);
723 Py_XDECREF(ctxtobj);
724 #ifdef DEBUG_LOADER
725 printf("pythonExternalEntityLoader: result ");
726 PyObject_Print(ret, stdout, 0);
727 printf("\n");
728 #endif
729
730 if (ret != NULL) {
731 if (PyObject_HasAttrString(ret, (char *) "read")) {
732 xmlParserInputBufferPtr buf;
733
734 buf = xmlAllocParserInputBuffer(XML_CHAR_ENCODING_NONE);
735 if (buf != NULL) {
736 buf->context = ret;
737 buf->readcallback = xmlPythonFileReadRaw;
738 buf->closecallback = xmlPythonFileCloseRaw;
739 result = xmlNewIOInputStream(ctxt, buf,
740 XML_CHAR_ENCODING_NONE);
741 }
742 #if 0
743 } else {
744 if (URL != NULL)
745 printf("pythonExternalEntityLoader: can't read %s\n",
746 URL);
747 #endif
748 }
749 if (result == NULL) {
750 Py_DECREF(ret);
751 } else if (URL != NULL) {
752 result->filename = (char *) xmlStrdup((const xmlChar *)URL);
753 result->directory = xmlParserGetDirectory((const char *) URL);
754 }
755 }
756 }
757 if ((result == NULL) && (defaultExternalEntityLoader != NULL)) {
758 result = defaultExternalEntityLoader(URL, ID, ctxt);
759 }
760 return(result);
761 }
762
763 PyObject *
libxml_xmlSetEntityLoader(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)764 libxml_xmlSetEntityLoader(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
765 PyObject *py_retval;
766 PyObject *loader;
767
768 if (!PyArg_ParseTuple(args, (char *)"O:libxml_xmlSetEntityLoader",
769 &loader))
770 return(NULL);
771
772 if (!PyCallable_Check(loader)) {
773 PyErr_SetString(PyExc_ValueError, "entity loader is not callable");
774 return(NULL);
775 }
776
777 #ifdef DEBUG_LOADER
778 printf("libxml_xmlSetEntityLoader\n");
779 #endif
780 if (defaultExternalEntityLoader == NULL)
781 defaultExternalEntityLoader = xmlGetExternalEntityLoader();
782
783 Py_XDECREF(pythonExternalEntityLoaderObjext);
784 pythonExternalEntityLoaderObjext = loader;
785 Py_XINCREF(pythonExternalEntityLoaderObjext);
786 xmlSetExternalEntityLoader(pythonExternalEntityLoader);
787
788 py_retval = PyLong_FromLong(0);
789 return(py_retval);
790 }
791
792 /************************************************************************
793 * *
794 * Input callback registration *
795 * *
796 ************************************************************************/
797 static PyObject *pythonInputOpenCallbackObject;
798 static int pythonInputCallbackID = -1;
799
800 static int
pythonInputMatchCallback(ATTRIBUTE_UNUSED const char * URI)801 pythonInputMatchCallback(ATTRIBUTE_UNUSED const char *URI)
802 {
803 /* Always return success, real decision whether URI is supported will be
804 * made in open callback. */
805 return 1;
806 }
807
808 static void *
pythonInputOpenCallback(const char * URI)809 pythonInputOpenCallback(const char *URI)
810 {
811 PyObject *ret;
812
813 ret = PyObject_CallFunction(pythonInputOpenCallbackObject,
814 (char *)"s", URI);
815 if (ret == Py_None) {
816 Py_DECREF(Py_None);
817 return NULL;
818 }
819 return ret;
820 }
821
822 PyObject *
libxml_xmlRegisterInputCallback(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)823 libxml_xmlRegisterInputCallback(ATTRIBUTE_UNUSED PyObject *self,
824 PyObject *args) {
825 PyObject *cb;
826
827 if (!PyArg_ParseTuple(args,
828 (const char *)"O:libxml_xmlRegisterInputCallback", &cb))
829 return(NULL);
830
831 if (!PyCallable_Check(cb)) {
832 PyErr_SetString(PyExc_ValueError, "input callback is not callable");
833 return(NULL);
834 }
835
836 /* Python module registers a single callback and manages the list of
837 * all callbacks internally. This is necessitated by xmlInputMatchCallback
838 * API, which does not allow for passing of data objects to discriminate
839 * different Python methods. */
840 if (pythonInputCallbackID == -1) {
841 pythonInputCallbackID = xmlRegisterInputCallbacks(
842 pythonInputMatchCallback, pythonInputOpenCallback,
843 xmlPythonFileReadRaw, xmlPythonFileCloseRaw);
844 if (pythonInputCallbackID == -1)
845 return PyErr_NoMemory();
846 pythonInputOpenCallbackObject = cb;
847 Py_INCREF(pythonInputOpenCallbackObject);
848 }
849
850 Py_INCREF(Py_None);
851 return(Py_None);
852 }
853
854 PyObject *
libxml_xmlUnregisterInputCallback(ATTRIBUTE_UNUSED PyObject * self,ATTRIBUTE_UNUSED PyObject * args)855 libxml_xmlUnregisterInputCallback(ATTRIBUTE_UNUSED PyObject *self,
856 ATTRIBUTE_UNUSED PyObject *args) {
857 int ret;
858
859 ret = xmlPopInputCallbacks();
860 if (pythonInputCallbackID != -1) {
861 /* Assert that the right input callback was popped. libxml's API does not
862 * allow removal by ID, so all that could be done is an assert. */
863 if (pythonInputCallbackID == ret) {
864 pythonInputCallbackID = -1;
865 Py_DECREF(pythonInputOpenCallbackObject);
866 pythonInputOpenCallbackObject = NULL;
867 } else {
868 PyErr_SetString(PyExc_AssertionError, "popped non-python input callback");
869 return(NULL);
870 }
871 } else if (ret == -1) {
872 /* No more callbacks to pop */
873 PyErr_SetString(PyExc_IndexError, "no input callbacks to pop");
874 return(NULL);
875 }
876
877 Py_INCREF(Py_None);
878 return(Py_None);
879 }
880
881 /************************************************************************
882 * *
883 * Handling SAX/xmllib/sgmlop callback interfaces *
884 * *
885 ************************************************************************/
886
887 static void
pythonStartElement(void * user_data,const xmlChar * name,const xmlChar ** attrs)888 pythonStartElement(void *user_data, const xmlChar * name,
889 const xmlChar ** attrs)
890 {
891 int i;
892 PyObject *handler;
893 PyObject *dict;
894 PyObject *attrname;
895 PyObject *attrvalue;
896 PyObject *result = NULL;
897 int type = 0;
898
899 #ifdef DEBUG_SAX
900 printf("pythonStartElement(%s) called\n", name);
901 #endif
902 handler = (PyObject *) user_data;
903 if (PyObject_HasAttrString(handler, (char *) "startElement"))
904 type = 1;
905 else if (PyObject_HasAttrString(handler, (char *) "start"))
906 type = 2;
907 if (type != 0) {
908 /*
909 * the xmllib interface always generates a dictionary,
910 * possibly empty
911 */
912 if ((attrs == NULL) && (type == 1)) {
913 Py_XINCREF(Py_None);
914 dict = Py_None;
915 } else if (attrs == NULL) {
916 dict = PyDict_New();
917 } else {
918 dict = PyDict_New();
919 for (i = 0; attrs[i] != NULL; i++) {
920 attrname = PY_IMPORT_STRING((char *) attrs[i]);
921 i++;
922 if (attrs[i] != NULL) {
923 attrvalue = PY_IMPORT_STRING((char *) attrs[i]);
924 } else {
925 Py_XINCREF(Py_None);
926 attrvalue = Py_None;
927 }
928 PyDict_SetItem(dict, attrname, attrvalue);
929 Py_DECREF(attrname);
930 Py_DECREF(attrvalue);
931 }
932 }
933
934 if (type == 1)
935 result = PyObject_CallMethod(handler, (char *) "startElement",
936 (char *) "sO", name, dict);
937 else if (type == 2)
938 result = PyObject_CallMethod(handler, (char *) "start",
939 (char *) "sO", name, dict);
940 if (PyErr_Occurred())
941 PyErr_Print();
942 Py_XDECREF(dict);
943 Py_XDECREF(result);
944 }
945 }
946
947 static void
pythonStartDocument(void * user_data)948 pythonStartDocument(void *user_data)
949 {
950 PyObject *handler;
951 PyObject *result;
952
953 #ifdef DEBUG_SAX
954 printf("pythonStartDocument() called\n");
955 #endif
956 handler = (PyObject *) user_data;
957 if (PyObject_HasAttrString(handler, (char *) "startDocument")) {
958 result =
959 PyObject_CallMethod(handler, (char *) "startDocument", NULL);
960 if (PyErr_Occurred())
961 PyErr_Print();
962 Py_XDECREF(result);
963 }
964 }
965
966 static void
pythonEndDocument(void * user_data)967 pythonEndDocument(void *user_data)
968 {
969 PyObject *handler;
970 PyObject *result;
971
972 #ifdef DEBUG_SAX
973 printf("pythonEndDocument() called\n");
974 #endif
975 handler = (PyObject *) user_data;
976 if (PyObject_HasAttrString(handler, (char *) "endDocument")) {
977 result =
978 PyObject_CallMethod(handler, (char *) "endDocument", NULL);
979 if (PyErr_Occurred())
980 PyErr_Print();
981 Py_XDECREF(result);
982 }
983 /*
984 * The reference to the handler is released there
985 */
986 Py_XDECREF(handler);
987 }
988
989 static void
pythonEndElement(void * user_data,const xmlChar * name)990 pythonEndElement(void *user_data, const xmlChar * name)
991 {
992 PyObject *handler;
993 PyObject *result;
994
995 #ifdef DEBUG_SAX
996 printf("pythonEndElement(%s) called\n", name);
997 #endif
998 handler = (PyObject *) user_data;
999 if (PyObject_HasAttrString(handler, (char *) "endElement")) {
1000 result = PyObject_CallMethod(handler, (char *) "endElement",
1001 (char *) "s", name);
1002 if (PyErr_Occurred())
1003 PyErr_Print();
1004 Py_XDECREF(result);
1005 } else if (PyObject_HasAttrString(handler, (char *) "end")) {
1006 result = PyObject_CallMethod(handler, (char *) "end",
1007 (char *) "s", name);
1008 if (PyErr_Occurred())
1009 PyErr_Print();
1010 Py_XDECREF(result);
1011 }
1012 }
1013
1014 static void
pythonReference(void * user_data,const xmlChar * name)1015 pythonReference(void *user_data, const xmlChar * name)
1016 {
1017 PyObject *handler;
1018 PyObject *result;
1019
1020 #ifdef DEBUG_SAX
1021 printf("pythonReference(%s) called\n", name);
1022 #endif
1023 handler = (PyObject *) user_data;
1024 if (PyObject_HasAttrString(handler, (char *) "reference")) {
1025 result = PyObject_CallMethod(handler, (char *) "reference",
1026 (char *) "s", name);
1027 if (PyErr_Occurred())
1028 PyErr_Print();
1029 Py_XDECREF(result);
1030 }
1031 }
1032
1033 static void
pythonCharacters(void * user_data,const xmlChar * ch,int len)1034 pythonCharacters(void *user_data, const xmlChar * ch, int len)
1035 {
1036 PyObject *handler;
1037 PyObject *result = NULL;
1038 int type = 0;
1039
1040 #ifdef DEBUG_SAX
1041 printf("pythonCharacters(%s, %d) called\n", ch, len);
1042 #endif
1043 handler = (PyObject *) user_data;
1044 if (PyObject_HasAttrString(handler, (char *) "characters"))
1045 type = 1;
1046 else if (PyObject_HasAttrString(handler, (char *) "data"))
1047 type = 2;
1048 if (type != 0) {
1049 if (type == 1)
1050 result = PyObject_CallMethod(handler, (char *) "characters",
1051 (char *) "s#", ch, len);
1052 else if (type == 2)
1053 result = PyObject_CallMethod(handler, (char *) "data",
1054 (char *) "s#", ch, len);
1055 if (PyErr_Occurred())
1056 PyErr_Print();
1057 Py_XDECREF(result);
1058 }
1059 }
1060
1061 static void
pythonIgnorableWhitespace(void * user_data,const xmlChar * ch,int len)1062 pythonIgnorableWhitespace(void *user_data, const xmlChar * ch, int len)
1063 {
1064 PyObject *handler;
1065 PyObject *result = NULL;
1066 int type = 0;
1067
1068 #ifdef DEBUG_SAX
1069 printf("pythonIgnorableWhitespace(%s, %d) called\n", ch, len);
1070 #endif
1071 handler = (PyObject *) user_data;
1072 if (PyObject_HasAttrString(handler, (char *) "ignorableWhitespace"))
1073 type = 1;
1074 else if (PyObject_HasAttrString(handler, (char *) "data"))
1075 type = 2;
1076 if (type != 0) {
1077 if (type == 1)
1078 result =
1079 PyObject_CallMethod(handler,
1080 (char *) "ignorableWhitespace",
1081 (char *) "s#", ch, len);
1082 else if (type == 2)
1083 result =
1084 PyObject_CallMethod(handler, (char *) "data",
1085 (char *) "s#", ch, len);
1086 Py_XDECREF(result);
1087 }
1088 }
1089
1090 static void
pythonProcessingInstruction(void * user_data,const xmlChar * target,const xmlChar * data)1091 pythonProcessingInstruction(void *user_data,
1092 const xmlChar * target, const xmlChar * data)
1093 {
1094 PyObject *handler;
1095 PyObject *result;
1096
1097 #ifdef DEBUG_SAX
1098 printf("pythonProcessingInstruction(%s, %s) called\n", target, data);
1099 #endif
1100 handler = (PyObject *) user_data;
1101 if (PyObject_HasAttrString(handler, (char *) "processingInstruction")) {
1102 result = PyObject_CallMethod(handler, (char *)
1103 "processingInstruction",
1104 (char *) "ss", target, data);
1105 Py_XDECREF(result);
1106 }
1107 }
1108
1109 static void
pythonComment(void * user_data,const xmlChar * value)1110 pythonComment(void *user_data, const xmlChar * value)
1111 {
1112 PyObject *handler;
1113 PyObject *result;
1114
1115 #ifdef DEBUG_SAX
1116 printf("pythonComment(%s) called\n", value);
1117 #endif
1118 handler = (PyObject *) user_data;
1119 if (PyObject_HasAttrString(handler, (char *) "comment")) {
1120 result =
1121 PyObject_CallMethod(handler, (char *) "comment", (char *) "s",
1122 value);
1123 if (PyErr_Occurred())
1124 PyErr_Print();
1125 Py_XDECREF(result);
1126 }
1127 }
1128
1129 static void
pythonWarning(void * user_data,const char * msg,...)1130 pythonWarning(void *user_data, const char *msg, ...)
1131 {
1132 PyObject *handler;
1133 PyObject *result;
1134 va_list args;
1135 char buf[1024];
1136
1137 #ifdef DEBUG_SAX
1138 printf("pythonWarning(%s) called\n", msg);
1139 #endif
1140 handler = (PyObject *) user_data;
1141 if (PyObject_HasAttrString(handler, (char *) "warning")) {
1142 va_start(args, msg);
1143 vsnprintf(buf, 1023, msg, args);
1144 va_end(args);
1145 buf[1023] = 0;
1146 result =
1147 PyObject_CallMethod(handler, (char *) "warning", (char *) "s",
1148 buf);
1149 if (PyErr_Occurred())
1150 PyErr_Print();
1151 Py_XDECREF(result);
1152 }
1153 }
1154
1155 static void
pythonError(void * user_data,const char * msg,...)1156 pythonError(void *user_data, const char *msg, ...)
1157 {
1158 PyObject *handler;
1159 PyObject *result;
1160 va_list args;
1161 char buf[1024];
1162
1163 #ifdef DEBUG_SAX
1164 printf("pythonError(%s) called\n", msg);
1165 #endif
1166 handler = (PyObject *) user_data;
1167 if (PyObject_HasAttrString(handler, (char *) "error")) {
1168 va_start(args, msg);
1169 vsnprintf(buf, 1023, msg, args);
1170 va_end(args);
1171 buf[1023] = 0;
1172 result =
1173 PyObject_CallMethod(handler, (char *) "error", (char *) "s",
1174 buf);
1175 if (PyErr_Occurred())
1176 PyErr_Print();
1177 Py_XDECREF(result);
1178 }
1179 }
1180
1181 static void
pythonFatalError(void * user_data,const char * msg,...)1182 pythonFatalError(void *user_data, const char *msg, ...)
1183 {
1184 PyObject *handler;
1185 PyObject *result;
1186 va_list args;
1187 char buf[1024];
1188
1189 #ifdef DEBUG_SAX
1190 printf("pythonFatalError(%s) called\n", msg);
1191 #endif
1192 handler = (PyObject *) user_data;
1193 if (PyObject_HasAttrString(handler, (char *) "fatalError")) {
1194 va_start(args, msg);
1195 vsnprintf(buf, 1023, msg, args);
1196 va_end(args);
1197 buf[1023] = 0;
1198 result =
1199 PyObject_CallMethod(handler, (char *) "fatalError",
1200 (char *) "s", buf);
1201 if (PyErr_Occurred())
1202 PyErr_Print();
1203 Py_XDECREF(result);
1204 }
1205 }
1206
1207 static void
pythonCdataBlock(void * user_data,const xmlChar * ch,int len)1208 pythonCdataBlock(void *user_data, const xmlChar * ch, int len)
1209 {
1210 PyObject *handler;
1211 PyObject *result = NULL;
1212 int type = 0;
1213
1214 #ifdef DEBUG_SAX
1215 printf("pythonCdataBlock(%s, %d) called\n", ch, len);
1216 #endif
1217 handler = (PyObject *) user_data;
1218 if (PyObject_HasAttrString(handler, (char *) "cdataBlock"))
1219 type = 1;
1220 else if (PyObject_HasAttrString(handler, (char *) "cdata"))
1221 type = 2;
1222 if (type != 0) {
1223 if (type == 1)
1224 result =
1225 PyObject_CallMethod(handler, (char *) "cdataBlock",
1226 (char *) "s#", ch, len);
1227 else if (type == 2)
1228 result =
1229 PyObject_CallMethod(handler, (char *) "cdata",
1230 (char *) "s#", ch, len);
1231 if (PyErr_Occurred())
1232 PyErr_Print();
1233 Py_XDECREF(result);
1234 }
1235 }
1236
1237 static void
pythonExternalSubset(void * user_data,const xmlChar * name,const xmlChar * externalID,const xmlChar * systemID)1238 pythonExternalSubset(void *user_data,
1239 const xmlChar * name,
1240 const xmlChar * externalID, const xmlChar * systemID)
1241 {
1242 PyObject *handler;
1243 PyObject *result;
1244
1245 #ifdef DEBUG_SAX
1246 printf("pythonExternalSubset(%s, %s, %s) called\n",
1247 name, externalID, systemID);
1248 #endif
1249 handler = (PyObject *) user_data;
1250 if (PyObject_HasAttrString(handler, (char *) "externalSubset")) {
1251 result =
1252 PyObject_CallMethod(handler, (char *) "externalSubset",
1253 (char *) "sss", name, externalID,
1254 systemID);
1255 Py_XDECREF(result);
1256 }
1257 }
1258
1259 static void
pythonEntityDecl(void * user_data,const xmlChar * name,int type,const xmlChar * publicId,const xmlChar * systemId,xmlChar * content)1260 pythonEntityDecl(void *user_data,
1261 const xmlChar * name,
1262 int type,
1263 const xmlChar * publicId,
1264 const xmlChar * systemId, xmlChar * content)
1265 {
1266 PyObject *handler;
1267 PyObject *result;
1268
1269 handler = (PyObject *) user_data;
1270 if (PyObject_HasAttrString(handler, (char *) "entityDecl")) {
1271 result = PyObject_CallMethod(handler, (char *) "entityDecl",
1272 (char *) "sisss", name, type,
1273 publicId, systemId, content);
1274 if (PyErr_Occurred())
1275 PyErr_Print();
1276 Py_XDECREF(result);
1277 }
1278 }
1279
1280
1281
1282 static void
1283
pythonNotationDecl(void * user_data,const xmlChar * name,const xmlChar * publicId,const xmlChar * systemId)1284 pythonNotationDecl(void *user_data,
1285 const xmlChar * name,
1286 const xmlChar * publicId, const xmlChar * systemId)
1287 {
1288 PyObject *handler;
1289 PyObject *result;
1290
1291 handler = (PyObject *) user_data;
1292 if (PyObject_HasAttrString(handler, (char *) "notationDecl")) {
1293 result = PyObject_CallMethod(handler, (char *) "notationDecl",
1294 (char *) "sss", name, publicId,
1295 systemId);
1296 if (PyErr_Occurred())
1297 PyErr_Print();
1298 Py_XDECREF(result);
1299 }
1300 }
1301
1302 static void
pythonAttributeDecl(void * user_data,const xmlChar * elem,const xmlChar * name,int type,int def,const xmlChar * defaultValue,xmlEnumerationPtr tree)1303 pythonAttributeDecl(void *user_data,
1304 const xmlChar * elem,
1305 const xmlChar * name,
1306 int type,
1307 int def,
1308 const xmlChar * defaultValue, xmlEnumerationPtr tree)
1309 {
1310 PyObject *handler;
1311 PyObject *nameList;
1312 PyObject *newName;
1313 xmlEnumerationPtr node;
1314 PyObject *result;
1315 int count;
1316
1317 handler = (PyObject *) user_data;
1318 if (PyObject_HasAttrString(handler, (char *) "attributeDecl")) {
1319 count = 0;
1320 for (node = tree; node != NULL; node = node->next) {
1321 count++;
1322 }
1323 nameList = PyList_New(count);
1324 count = 0;
1325 for (node = tree; node != NULL; node = node->next) {
1326 newName = PY_IMPORT_STRING((char *) node->name);
1327 PyList_SetItem(nameList, count, newName);
1328 Py_DECREF(newName);
1329 count++;
1330 }
1331 result = PyObject_CallMethod(handler, (char *) "attributeDecl",
1332 (char *) "ssiisO", elem, name, type,
1333 def, defaultValue, nameList);
1334 if (PyErr_Occurred())
1335 PyErr_Print();
1336 Py_XDECREF(nameList);
1337 Py_XDECREF(result);
1338 }
1339 }
1340
1341 static void
pythonElementDecl(void * user_data,const xmlChar * name,int type,ATTRIBUTE_UNUSED xmlElementContentPtr content)1342 pythonElementDecl(void *user_data,
1343 const xmlChar * name,
1344 int type, ATTRIBUTE_UNUSED xmlElementContentPtr content)
1345 {
1346 PyObject *handler;
1347 PyObject *obj;
1348 PyObject *result;
1349
1350 handler = (PyObject *) user_data;
1351 if (PyObject_HasAttrString(handler, (char *) "elementDecl")) {
1352 /* TODO: wrap in an elementContent object */
1353 printf
1354 ("pythonElementDecl: xmlElementContentPtr wrapper missing !\n");
1355 obj = Py_None;
1356 /* Py_XINCREF(Py_None); isn't the reference just borrowed ??? */
1357 result = PyObject_CallMethod(handler, (char *) "elementDecl",
1358 (char *) "siO", name, type, obj);
1359 if (PyErr_Occurred())
1360 PyErr_Print();
1361 Py_XDECREF(result);
1362 }
1363 }
1364
1365 static void
pythonUnparsedEntityDecl(void * user_data,const xmlChar * name,const xmlChar * publicId,const xmlChar * systemId,const xmlChar * notationName)1366 pythonUnparsedEntityDecl(void *user_data,
1367 const xmlChar * name,
1368 const xmlChar * publicId,
1369 const xmlChar * systemId,
1370 const xmlChar * notationName)
1371 {
1372 PyObject *handler;
1373 PyObject *result;
1374
1375 handler = (PyObject *) user_data;
1376 if (PyObject_HasAttrString(handler, (char *) "unparsedEntityDecl")) {
1377 result =
1378 PyObject_CallMethod(handler, (char *) "unparsedEntityDecl",
1379 (char *) "ssss", name, publicId, systemId,
1380 notationName);
1381 if (PyErr_Occurred())
1382 PyErr_Print();
1383 Py_XDECREF(result);
1384 }
1385 }
1386
1387 static void
pythonInternalSubset(void * user_data,const xmlChar * name,const xmlChar * ExternalID,const xmlChar * SystemID)1388 pythonInternalSubset(void *user_data, const xmlChar * name,
1389 const xmlChar * ExternalID, const xmlChar * SystemID)
1390 {
1391 PyObject *handler;
1392 PyObject *result;
1393
1394 #ifdef DEBUG_SAX
1395 printf("pythonInternalSubset(%s, %s, %s) called\n",
1396 name, ExternalID, SystemID);
1397 #endif
1398 handler = (PyObject *) user_data;
1399 if (PyObject_HasAttrString(handler, (char *) "internalSubset")) {
1400 result = PyObject_CallMethod(handler, (char *) "internalSubset",
1401 (char *) "sss", name, ExternalID,
1402 SystemID);
1403 if (PyErr_Occurred())
1404 PyErr_Print();
1405 Py_XDECREF(result);
1406 }
1407 }
1408
1409 static xmlSAXHandler pythonSaxHandler = {
1410 pythonInternalSubset,
1411 NULL, /* TODO pythonIsStandalone, */
1412 NULL, /* TODO pythonHasInternalSubset, */
1413 NULL, /* TODO pythonHasExternalSubset, */
1414 NULL, /* TODO pythonResolveEntity, */
1415 NULL, /* TODO pythonGetEntity, */
1416 pythonEntityDecl,
1417 pythonNotationDecl,
1418 pythonAttributeDecl,
1419 pythonElementDecl,
1420 pythonUnparsedEntityDecl,
1421 NULL, /* OBSOLETED pythonSetDocumentLocator, */
1422 pythonStartDocument,
1423 pythonEndDocument,
1424 pythonStartElement,
1425 pythonEndElement,
1426 pythonReference,
1427 pythonCharacters,
1428 pythonIgnorableWhitespace,
1429 pythonProcessingInstruction,
1430 pythonComment,
1431 pythonWarning,
1432 pythonError,
1433 pythonFatalError,
1434 NULL, /* TODO pythonGetParameterEntity, */
1435 pythonCdataBlock,
1436 pythonExternalSubset,
1437 1,
1438 NULL, /* TODO mograte to SAX2 */
1439 NULL,
1440 NULL,
1441 NULL
1442 };
1443
1444 /************************************************************************
1445 * *
1446 * Handling of specific parser context *
1447 * *
1448 ************************************************************************/
1449
1450 PyObject *
libxml_xmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1451 libxml_xmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,
1452 PyObject * args)
1453 {
1454 const char *chunk;
1455 int size;
1456 const char *URI;
1457 PyObject *pyobj_SAX = NULL;
1458 xmlSAXHandlerPtr SAX = NULL;
1459 xmlParserCtxtPtr ret;
1460 PyObject *pyret;
1461
1462 if (!PyArg_ParseTuple
1463 (args, (char *) "Oziz:xmlCreatePushParser", &pyobj_SAX, &chunk,
1464 &size, &URI))
1465 return (NULL);
1466
1467 #ifdef DEBUG
1468 printf("libxml_xmlCreatePushParser(%p, %s, %d, %s) called\n",
1469 pyobj_SAX, chunk, size, URI);
1470 #endif
1471 if (pyobj_SAX != Py_None) {
1472 SAX = &pythonSaxHandler;
1473 Py_INCREF(pyobj_SAX);
1474 /* The reference is released in pythonEndDocument() */
1475 }
1476 ret = xmlCreatePushParserCtxt(SAX, pyobj_SAX, chunk, size, URI);
1477 pyret = libxml_xmlParserCtxtPtrWrap(ret);
1478 return (pyret);
1479 }
1480
1481 PyObject *
libxml_htmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1482 libxml_htmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,
1483 PyObject * args)
1484 {
1485 #ifdef LIBXML_HTML_ENABLED
1486 const char *chunk;
1487 int size;
1488 const char *URI;
1489 PyObject *pyobj_SAX = NULL;
1490 xmlSAXHandlerPtr SAX = NULL;
1491 xmlParserCtxtPtr ret;
1492 PyObject *pyret;
1493
1494 if (!PyArg_ParseTuple
1495 (args, (char *) "Oziz:htmlCreatePushParser", &pyobj_SAX, &chunk,
1496 &size, &URI))
1497 return (NULL);
1498
1499 #ifdef DEBUG
1500 printf("libxml_htmlCreatePushParser(%p, %s, %d, %s) called\n",
1501 pyobj_SAX, chunk, size, URI);
1502 #endif
1503 if (pyobj_SAX != Py_None) {
1504 SAX = &pythonSaxHandler;
1505 Py_INCREF(pyobj_SAX);
1506 /* The reference is released in pythonEndDocument() */
1507 }
1508 ret = htmlCreatePushParserCtxt(SAX, pyobj_SAX, chunk, size, URI,
1509 XML_CHAR_ENCODING_NONE);
1510 pyret = libxml_xmlParserCtxtPtrWrap(ret);
1511 return (pyret);
1512 #else
1513 Py_INCREF(Py_None);
1514 return (Py_None);
1515 #endif /* LIBXML_HTML_ENABLED */
1516 }
1517
1518 PyObject *
libxml_xmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1519 libxml_xmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
1520 {
1521 #ifdef LIBXML_SAX1_ENABLED
1522 int recover;
1523 const char *URI;
1524 PyObject *pyobj_SAX = NULL;
1525 xmlSAXHandlerPtr SAX = NULL;
1526
1527 if (!PyArg_ParseTuple(args, (char *) "Osi:xmlSAXParseFile", &pyobj_SAX,
1528 &URI, &recover))
1529 return (NULL);
1530
1531 #ifdef DEBUG
1532 printf("libxml_xmlSAXParseFile(%p, %s, %d) called\n",
1533 pyobj_SAX, URI, recover);
1534 #endif
1535 if (pyobj_SAX == Py_None) {
1536 Py_INCREF(Py_None);
1537 return (Py_None);
1538 }
1539 SAX = &pythonSaxHandler;
1540 Py_INCREF(pyobj_SAX);
1541 /* The reference is released in pythonEndDocument() */
1542 xmlSAXUserParseFile(SAX, pyobj_SAX, URI);
1543 #endif /* LIBXML_SAX1_ENABLED */
1544 Py_INCREF(Py_None);
1545 return (Py_None);
1546 }
1547
1548 PyObject *
libxml_htmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1549 libxml_htmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
1550 {
1551 #ifdef LIBXML_HTML_ENABLED
1552 const char *URI;
1553 const char *encoding;
1554 PyObject *pyobj_SAX = NULL;
1555 xmlSAXHandlerPtr SAX = NULL;
1556
1557 if (!PyArg_ParseTuple
1558 (args, (char *) "Osz:htmlSAXParseFile", &pyobj_SAX, &URI,
1559 &encoding))
1560 return (NULL);
1561
1562 #ifdef DEBUG
1563 printf("libxml_htmlSAXParseFile(%p, %s, %s) called\n",
1564 pyobj_SAX, URI, encoding);
1565 #endif
1566 if (pyobj_SAX == Py_None) {
1567 Py_INCREF(Py_None);
1568 return (Py_None);
1569 }
1570 SAX = &pythonSaxHandler;
1571 Py_INCREF(pyobj_SAX);
1572 /* The reference is released in pythonEndDocument() */
1573 htmlSAXParseFile(URI, encoding, SAX, pyobj_SAX);
1574 Py_INCREF(Py_None);
1575 return (Py_None);
1576 #else
1577 Py_INCREF(Py_None);
1578 return (Py_None);
1579 #endif /* LIBXML_HTML_ENABLED */
1580 }
1581
1582 /************************************************************************
1583 * *
1584 * Error message callback *
1585 * *
1586 ************************************************************************/
1587
1588 static PyObject *libxml_xmlPythonErrorFuncHandler = NULL;
1589 static PyObject *libxml_xmlPythonErrorFuncCtxt = NULL;
1590
1591 /* helper to build a xmlMalloc'ed string from a format and va_list */
1592 /*
1593 * disabled the loop, the repeated call to vsnprintf without reset of ap
1594 * in case the initial buffer was too small segfaulted on x86_64
1595 * we now directly vsnprintf on a large buffer.
1596 */
1597 static char *
libxml_buildMessage(const char * msg,va_list ap)1598 libxml_buildMessage(const char *msg, va_list ap)
1599 {
1600 int chars;
1601 char *str;
1602
1603 str = (char *) xmlMalloc(1000);
1604 if (str == NULL)
1605 return NULL;
1606
1607 chars = vsnprintf(str, 999, msg, ap);
1608 if (chars >= 998)
1609 str[999] = 0;
1610
1611 return str;
1612 }
1613
1614 static void
libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void * ctx,const char * msg,...)1615 libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
1616 ...)
1617 {
1618 va_list ap;
1619 PyObject *list;
1620 PyObject *message;
1621 PyObject *result;
1622 char str[1000];
1623
1624 #ifdef DEBUG_ERROR
1625 printf("libxml_xmlErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
1626 #endif
1627
1628
1629 if (libxml_xmlPythonErrorFuncHandler == NULL) {
1630 va_start(ap, msg);
1631 vfprintf(stderr, msg, ap);
1632 va_end(ap);
1633 } else {
1634 va_start(ap, msg);
1635 if (vsnprintf(str, 999, msg, ap) >= 998)
1636 str[999] = 0;
1637 va_end(ap);
1638
1639 list = PyTuple_New(2);
1640 PyTuple_SetItem(list, 0, libxml_xmlPythonErrorFuncCtxt);
1641 Py_XINCREF(libxml_xmlPythonErrorFuncCtxt);
1642 message = libxml_charPtrConstWrap(str);
1643 PyTuple_SetItem(list, 1, message);
1644 result = PyEval_CallObject(libxml_xmlPythonErrorFuncHandler, list);
1645 Py_XDECREF(list);
1646 Py_XDECREF(result);
1647 }
1648 }
1649
1650 static void
libxml_xmlErrorInitialize(void)1651 libxml_xmlErrorInitialize(void)
1652 {
1653 #ifdef DEBUG_ERROR
1654 printf("libxml_xmlErrorInitialize() called\n");
1655 #endif
1656 xmlSetGenericErrorFunc(NULL, libxml_xmlErrorFuncHandler);
1657 xmlThrDefSetGenericErrorFunc(NULL, libxml_xmlErrorFuncHandler);
1658 }
1659
1660 static PyObject *
libxml_xmlRegisterErrorHandler(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1661 libxml_xmlRegisterErrorHandler(ATTRIBUTE_UNUSED PyObject * self,
1662 PyObject * args)
1663 {
1664 PyObject *py_retval;
1665 PyObject *pyobj_f;
1666 PyObject *pyobj_ctx;
1667
1668 if (!PyArg_ParseTuple
1669 (args, (char *) "OO:xmlRegisterErrorHandler", &pyobj_f,
1670 &pyobj_ctx))
1671 return (NULL);
1672
1673 #ifdef DEBUG_ERROR
1674 printf("libxml_xmlRegisterErrorHandler(%p, %p) called\n", pyobj_ctx,
1675 pyobj_f);
1676 #endif
1677
1678 if (libxml_xmlPythonErrorFuncHandler != NULL) {
1679 Py_XDECREF(libxml_xmlPythonErrorFuncHandler);
1680 }
1681 if (libxml_xmlPythonErrorFuncCtxt != NULL) {
1682 Py_XDECREF(libxml_xmlPythonErrorFuncCtxt);
1683 }
1684
1685 Py_XINCREF(pyobj_ctx);
1686 Py_XINCREF(pyobj_f);
1687
1688 /* TODO: check f is a function ! */
1689 libxml_xmlPythonErrorFuncHandler = pyobj_f;
1690 libxml_xmlPythonErrorFuncCtxt = pyobj_ctx;
1691
1692 py_retval = libxml_intWrap(1);
1693 return (py_retval);
1694 }
1695
1696
1697 /************************************************************************
1698 * *
1699 * Per parserCtxt error handler *
1700 * *
1701 ************************************************************************/
1702
1703 typedef struct
1704 {
1705 PyObject *f;
1706 PyObject *arg;
1707 } xmlParserCtxtPyCtxt;
1708 typedef xmlParserCtxtPyCtxt *xmlParserCtxtPyCtxtPtr;
1709
1710 static void
libxml_xmlParserCtxtGenericErrorFuncHandler(void * ctx,int severity,char * str)1711 libxml_xmlParserCtxtGenericErrorFuncHandler(void *ctx, int severity, char *str)
1712 {
1713 PyObject *list;
1714 PyObject *result;
1715 xmlParserCtxtPtr ctxt;
1716 xmlParserCtxtPyCtxtPtr pyCtxt;
1717
1718 #ifdef DEBUG_ERROR
1719 printf("libxml_xmlParserCtxtGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, str);
1720 #endif
1721
1722 ctxt = (xmlParserCtxtPtr)ctx;
1723 pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
1724
1725 list = PyTuple_New(4);
1726 PyTuple_SetItem(list, 0, pyCtxt->arg);
1727 Py_XINCREF(pyCtxt->arg);
1728 PyTuple_SetItem(list, 1, libxml_charPtrWrap(str));
1729 PyTuple_SetItem(list, 2, libxml_intWrap(severity));
1730 PyTuple_SetItem(list, 3, Py_None);
1731 Py_INCREF(Py_None);
1732 result = PyEval_CallObject(pyCtxt->f, list);
1733 if (result == NULL)
1734 {
1735 /* TODO: manage for the exception to be propagated... */
1736 PyErr_Print();
1737 }
1738 Py_XDECREF(list);
1739 Py_XDECREF(result);
1740 }
1741
1742 static void
libxml_xmlParserCtxtErrorFuncHandler(void * ctx,const char * msg,...)1743 libxml_xmlParserCtxtErrorFuncHandler(void *ctx, const char *msg, ...)
1744 {
1745 va_list ap;
1746
1747 va_start(ap, msg);
1748 libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_ERROR,libxml_buildMessage(msg,ap));
1749 va_end(ap);
1750 }
1751
1752 static void
libxml_xmlParserCtxtWarningFuncHandler(void * ctx,const char * msg,...)1753 libxml_xmlParserCtxtWarningFuncHandler(void *ctx, const char *msg, ...)
1754 {
1755 va_list ap;
1756
1757 va_start(ap, msg);
1758 libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_WARNING,libxml_buildMessage(msg,ap));
1759 va_end(ap);
1760 }
1761
1762 static void
libxml_xmlParserCtxtValidityErrorFuncHandler(void * ctx,const char * msg,...)1763 libxml_xmlParserCtxtValidityErrorFuncHandler(void *ctx, const char *msg, ...)
1764 {
1765 va_list ap;
1766
1767 va_start(ap, msg);
1768 libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_ERROR,libxml_buildMessage(msg,ap));
1769 va_end(ap);
1770 }
1771
1772 static void
libxml_xmlParserCtxtValidityWarningFuncHandler(void * ctx,const char * msg,...)1773 libxml_xmlParserCtxtValidityWarningFuncHandler(void *ctx, const char *msg, ...)
1774 {
1775 va_list ap;
1776
1777 va_start(ap, msg);
1778 libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_WARNING,libxml_buildMessage(msg,ap));
1779 va_end(ap);
1780 }
1781
1782 static PyObject *
libxml_xmlParserCtxtSetErrorHandler(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1783 libxml_xmlParserCtxtSetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
1784 {
1785 PyObject *py_retval;
1786 xmlParserCtxtPtr ctxt;
1787 xmlParserCtxtPyCtxtPtr pyCtxt;
1788 PyObject *pyobj_ctxt;
1789 PyObject *pyobj_f;
1790 PyObject *pyobj_arg;
1791
1792 if (!PyArg_ParseTuple(args, (char *)"OOO:xmlParserCtxtSetErrorHandler",
1793 &pyobj_ctxt, &pyobj_f, &pyobj_arg))
1794 return(NULL);
1795 ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
1796 if (ctxt->_private == NULL) {
1797 pyCtxt = xmlMalloc(sizeof(xmlParserCtxtPyCtxt));
1798 if (pyCtxt == NULL) {
1799 py_retval = libxml_intWrap(-1);
1800 return(py_retval);
1801 }
1802 memset(pyCtxt,0,sizeof(xmlParserCtxtPyCtxt));
1803 ctxt->_private = pyCtxt;
1804 }
1805 else {
1806 pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
1807 }
1808 /* TODO: check f is a function ! */
1809 Py_XDECREF(pyCtxt->f);
1810 Py_XINCREF(pyobj_f);
1811 pyCtxt->f = pyobj_f;
1812 Py_XDECREF(pyCtxt->arg);
1813 Py_XINCREF(pyobj_arg);
1814 pyCtxt->arg = pyobj_arg;
1815
1816 if (pyobj_f != Py_None) {
1817 ctxt->sax->error = libxml_xmlParserCtxtErrorFuncHandler;
1818 ctxt->sax->warning = libxml_xmlParserCtxtWarningFuncHandler;
1819 ctxt->vctxt.error = libxml_xmlParserCtxtValidityErrorFuncHandler;
1820 ctxt->vctxt.warning = libxml_xmlParserCtxtValidityWarningFuncHandler;
1821 }
1822 else {
1823 ctxt->sax->error = xmlParserError;
1824 ctxt->vctxt.error = xmlParserValidityError;
1825 ctxt->sax->warning = xmlParserWarning;
1826 ctxt->vctxt.warning = xmlParserValidityWarning;
1827 }
1828
1829 py_retval = libxml_intWrap(1);
1830 return(py_retval);
1831 }
1832
1833 static PyObject *
libxml_xmlParserCtxtGetErrorHandler(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1834 libxml_xmlParserCtxtGetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
1835 {
1836 PyObject *py_retval;
1837 xmlParserCtxtPtr ctxt;
1838 xmlParserCtxtPyCtxtPtr pyCtxt;
1839 PyObject *pyobj_ctxt;
1840
1841 if (!PyArg_ParseTuple(args, (char *)"O:xmlParserCtxtGetErrorHandler",
1842 &pyobj_ctxt))
1843 return(NULL);
1844 ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
1845 py_retval = PyTuple_New(2);
1846 if (ctxt->_private != NULL) {
1847 pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
1848
1849 PyTuple_SetItem(py_retval, 0, pyCtxt->f);
1850 Py_XINCREF(pyCtxt->f);
1851 PyTuple_SetItem(py_retval, 1, pyCtxt->arg);
1852 Py_XINCREF(pyCtxt->arg);
1853 }
1854 else {
1855 /* no python error handler registered */
1856 PyTuple_SetItem(py_retval, 0, Py_None);
1857 Py_XINCREF(Py_None);
1858 PyTuple_SetItem(py_retval, 1, Py_None);
1859 Py_XINCREF(Py_None);
1860 }
1861 return(py_retval);
1862 }
1863
1864 static PyObject *
libxml_xmlFreeParserCtxt(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1865 libxml_xmlFreeParserCtxt(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
1866 xmlParserCtxtPtr ctxt;
1867 PyObject *pyobj_ctxt;
1868 xmlParserCtxtPyCtxtPtr pyCtxt;
1869
1870 if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeParserCtxt", &pyobj_ctxt))
1871 return(NULL);
1872 ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
1873
1874 if (ctxt != NULL) {
1875 pyCtxt = (xmlParserCtxtPyCtxtPtr)((xmlParserCtxtPtr)ctxt)->_private;
1876 if (pyCtxt) {
1877 Py_XDECREF(pyCtxt->f);
1878 Py_XDECREF(pyCtxt->arg);
1879 xmlFree(pyCtxt);
1880 }
1881 xmlFreeParserCtxt(ctxt);
1882 }
1883
1884 Py_INCREF(Py_None);
1885 return(Py_None);
1886 }
1887
1888 /***
1889 * xmlValidCtxt stuff
1890 */
1891
1892 typedef struct
1893 {
1894 PyObject *warn;
1895 PyObject *error;
1896 PyObject *arg;
1897 } xmlValidCtxtPyCtxt;
1898 typedef xmlValidCtxtPyCtxt *xmlValidCtxtPyCtxtPtr;
1899
1900 static void
libxml_xmlValidCtxtGenericErrorFuncHandler(void * ctx,ATTRIBUTE_UNUSED int severity,char * str)1901 libxml_xmlValidCtxtGenericErrorFuncHandler(void *ctx, ATTRIBUTE_UNUSED int severity, char *str)
1902 {
1903 PyObject *list;
1904 PyObject *result;
1905 xmlValidCtxtPyCtxtPtr pyCtxt;
1906
1907 #ifdef DEBUG_ERROR
1908 printf("libxml_xmlValidCtxtGenericErrorFuncHandler(%p, %d, %s, ...) called\n", ctx, severity, str);
1909 #endif
1910
1911 pyCtxt = (xmlValidCtxtPyCtxtPtr)ctx;
1912
1913 list = PyTuple_New(2);
1914 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
1915 PyTuple_SetItem(list, 1, pyCtxt->arg);
1916 Py_XINCREF(pyCtxt->arg);
1917 result = PyEval_CallObject(pyCtxt->error, list);
1918 if (result == NULL)
1919 {
1920 /* TODO: manage for the exception to be propagated... */
1921 PyErr_Print();
1922 }
1923 Py_XDECREF(list);
1924 Py_XDECREF(result);
1925 }
1926
1927 static void
libxml_xmlValidCtxtGenericWarningFuncHandler(void * ctx,ATTRIBUTE_UNUSED int severity,char * str)1928 libxml_xmlValidCtxtGenericWarningFuncHandler(void *ctx, ATTRIBUTE_UNUSED int severity, char *str)
1929 {
1930 PyObject *list;
1931 PyObject *result;
1932 xmlValidCtxtPyCtxtPtr pyCtxt;
1933
1934 #ifdef DEBUG_ERROR
1935 printf("libxml_xmlValidCtxtGenericWarningFuncHandler(%p, %d, %s, ...) called\n", ctx, severity, str);
1936 #endif
1937
1938 pyCtxt = (xmlValidCtxtPyCtxtPtr)ctx;
1939
1940 list = PyTuple_New(2);
1941 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
1942 PyTuple_SetItem(list, 1, pyCtxt->arg);
1943 Py_XINCREF(pyCtxt->arg);
1944 result = PyEval_CallObject(pyCtxt->warn, list);
1945 if (result == NULL)
1946 {
1947 /* TODO: manage for the exception to be propagated... */
1948 PyErr_Print();
1949 }
1950 Py_XDECREF(list);
1951 Py_XDECREF(result);
1952 }
1953
1954 static void
libxml_xmlValidCtxtErrorFuncHandler(void * ctx,const char * msg,...)1955 libxml_xmlValidCtxtErrorFuncHandler(void *ctx, const char *msg, ...)
1956 {
1957 va_list ap;
1958
1959 va_start(ap, msg);
1960 libxml_xmlValidCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_ERROR,libxml_buildMessage(msg,ap));
1961 va_end(ap);
1962 }
1963
1964 static void
libxml_xmlValidCtxtWarningFuncHandler(void * ctx,const char * msg,...)1965 libxml_xmlValidCtxtWarningFuncHandler(void *ctx, const char *msg, ...)
1966 {
1967 va_list ap;
1968
1969 va_start(ap, msg);
1970 libxml_xmlValidCtxtGenericWarningFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_WARNING,libxml_buildMessage(msg,ap));
1971 va_end(ap);
1972 }
1973
1974 static PyObject *
libxml_xmlSetValidErrors(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)1975 libxml_xmlSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
1976 {
1977 PyObject *py_retval;
1978 PyObject *pyobj_error;
1979 PyObject *pyobj_warn;
1980 PyObject *pyobj_ctx;
1981 PyObject *pyobj_arg = Py_None;
1982 xmlValidCtxtPtr ctxt;
1983 xmlValidCtxtPyCtxtPtr pyCtxt;
1984
1985 if (!PyArg_ParseTuple
1986 (args, (char *) "OOO|O:xmlSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
1987 return (NULL);
1988
1989 #ifdef DEBUG_ERROR
1990 printf("libxml_xmlSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
1991 #endif
1992
1993 ctxt = PyValidCtxt_Get(pyobj_ctx);
1994 pyCtxt = xmlMalloc(sizeof(xmlValidCtxtPyCtxt));
1995 if (pyCtxt == NULL) {
1996 py_retval = libxml_intWrap(-1);
1997 return(py_retval);
1998 }
1999 memset(pyCtxt, 0, sizeof(xmlValidCtxtPyCtxt));
2000
2001
2002 /* TODO: check warn and error is a function ! */
2003 Py_XDECREF(pyCtxt->error);
2004 Py_XINCREF(pyobj_error);
2005 pyCtxt->error = pyobj_error;
2006
2007 Py_XDECREF(pyCtxt->warn);
2008 Py_XINCREF(pyobj_warn);
2009 pyCtxt->warn = pyobj_warn;
2010
2011 Py_XDECREF(pyCtxt->arg);
2012 Py_XINCREF(pyobj_arg);
2013 pyCtxt->arg = pyobj_arg;
2014
2015 ctxt->error = libxml_xmlValidCtxtErrorFuncHandler;
2016 ctxt->warning = libxml_xmlValidCtxtWarningFuncHandler;
2017 ctxt->userData = pyCtxt;
2018
2019 py_retval = libxml_intWrap(1);
2020 return (py_retval);
2021 }
2022
2023
2024 static PyObject *
libxml_xmlFreeValidCtxt(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)2025 libxml_xmlFreeValidCtxt(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
2026 xmlValidCtxtPtr cur;
2027 xmlValidCtxtPyCtxtPtr pyCtxt;
2028 PyObject *pyobj_cur;
2029
2030 if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeValidCtxt", &pyobj_cur))
2031 return(NULL);
2032 cur = (xmlValidCtxtPtr) PyValidCtxt_Get(pyobj_cur);
2033
2034 pyCtxt = (xmlValidCtxtPyCtxtPtr)(cur->userData);
2035 if (pyCtxt != NULL)
2036 {
2037 Py_XDECREF(pyCtxt->error);
2038 Py_XDECREF(pyCtxt->warn);
2039 Py_XDECREF(pyCtxt->arg);
2040 xmlFree(pyCtxt);
2041 }
2042
2043 xmlFreeValidCtxt(cur);
2044 Py_INCREF(Py_None);
2045 return(Py_None);
2046 }
2047
2048 #ifdef LIBXML_READER_ENABLED
2049 /************************************************************************
2050 * *
2051 * Per xmlTextReader error handler *
2052 * *
2053 ************************************************************************/
2054
2055 typedef struct
2056 {
2057 PyObject *f;
2058 PyObject *arg;
2059 } xmlTextReaderPyCtxt;
2060 typedef xmlTextReaderPyCtxt *xmlTextReaderPyCtxtPtr;
2061
2062 static void
libxml_xmlTextReaderErrorCallback(void * arg,const char * msg,int severity,xmlTextReaderLocatorPtr locator)2063 libxml_xmlTextReaderErrorCallback(void *arg,
2064 const char *msg,
2065 int severity,
2066 xmlTextReaderLocatorPtr locator)
2067 {
2068 xmlTextReaderPyCtxt *pyCtxt = (xmlTextReaderPyCtxt *)arg;
2069 PyObject *list;
2070 PyObject *result;
2071
2072 list = PyTuple_New(4);
2073 PyTuple_SetItem(list, 0, pyCtxt->arg);
2074 Py_XINCREF(pyCtxt->arg);
2075 PyTuple_SetItem(list, 1, libxml_charPtrConstWrap(msg));
2076 PyTuple_SetItem(list, 2, libxml_intWrap(severity));
2077 PyTuple_SetItem(list, 3, libxml_xmlTextReaderLocatorPtrWrap(locator));
2078 result = PyEval_CallObject(pyCtxt->f, list);
2079 if (result == NULL)
2080 {
2081 /* TODO: manage for the exception to be propagated... */
2082 PyErr_Print();
2083 }
2084 Py_XDECREF(list);
2085 Py_XDECREF(result);
2086 }
2087
2088 static PyObject *
libxml_xmlTextReaderSetErrorHandler(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2089 libxml_xmlTextReaderSetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
2090 {
2091 xmlTextReaderPtr reader;
2092 xmlTextReaderPyCtxtPtr pyCtxt;
2093 xmlTextReaderErrorFunc f;
2094 void *arg;
2095 PyObject *pyobj_reader;
2096 PyObject *pyobj_f;
2097 PyObject *pyobj_arg;
2098 PyObject *py_retval;
2099
2100 if (!PyArg_ParseTuple(args, (char *)"OOO:xmlTextReaderSetErrorHandler", &pyobj_reader, &pyobj_f, &pyobj_arg))
2101 return(NULL);
2102 reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
2103 /* clear previous error handler */
2104 xmlTextReaderGetErrorHandler(reader,&f,&arg);
2105 if (arg != NULL) {
2106 if (f == (xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback) {
2107 /* ok, it's our error handler! */
2108 pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
2109 Py_XDECREF(pyCtxt->f);
2110 Py_XDECREF(pyCtxt->arg);
2111 xmlFree(pyCtxt);
2112 }
2113 else {
2114 /*
2115 * there already an arg, and it's not ours,
2116 * there is definitely something wrong going on here...
2117 * we don't know how to free it, so we bail out...
2118 */
2119 py_retval = libxml_intWrap(-1);
2120 return(py_retval);
2121 }
2122 }
2123 xmlTextReaderSetErrorHandler(reader,NULL,NULL);
2124 /* set new error handler */
2125 if (pyobj_f != Py_None)
2126 {
2127 pyCtxt = (xmlTextReaderPyCtxtPtr)xmlMalloc(sizeof(xmlTextReaderPyCtxt));
2128 if (pyCtxt == NULL) {
2129 py_retval = libxml_intWrap(-1);
2130 return(py_retval);
2131 }
2132 Py_XINCREF(pyobj_f);
2133 pyCtxt->f = pyobj_f;
2134 Py_XINCREF(pyobj_arg);
2135 pyCtxt->arg = pyobj_arg;
2136 xmlTextReaderSetErrorHandler(reader,
2137 (xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback,
2138 pyCtxt);
2139 }
2140
2141 py_retval = libxml_intWrap(1);
2142 return(py_retval);
2143 }
2144
2145 static PyObject *
libxml_xmlTextReaderGetErrorHandler(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2146 libxml_xmlTextReaderGetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
2147 {
2148 xmlTextReaderPtr reader;
2149 xmlTextReaderPyCtxtPtr pyCtxt;
2150 xmlTextReaderErrorFunc f;
2151 void *arg;
2152 PyObject *pyobj_reader;
2153 PyObject *py_retval;
2154
2155 if (!PyArg_ParseTuple(args, (char *)"O:xmlTextReaderSetErrorHandler", &pyobj_reader))
2156 return(NULL);
2157 reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
2158 xmlTextReaderGetErrorHandler(reader,&f,&arg);
2159 py_retval = PyTuple_New(2);
2160 if (f == (xmlTextReaderErrorFunc)libxml_xmlTextReaderErrorCallback) {
2161 /* ok, it's our error handler! */
2162 pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
2163 PyTuple_SetItem(py_retval, 0, pyCtxt->f);
2164 Py_XINCREF(pyCtxt->f);
2165 PyTuple_SetItem(py_retval, 1, pyCtxt->arg);
2166 Py_XINCREF(pyCtxt->arg);
2167 }
2168 else
2169 {
2170 /* f is null or it's not our error handler */
2171 PyTuple_SetItem(py_retval, 0, Py_None);
2172 Py_XINCREF(Py_None);
2173 PyTuple_SetItem(py_retval, 1, Py_None);
2174 Py_XINCREF(Py_None);
2175 }
2176 return(py_retval);
2177 }
2178
2179 static PyObject *
libxml_xmlFreeTextReader(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2180 libxml_xmlFreeTextReader(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
2181 xmlTextReaderPtr reader;
2182 PyObject *pyobj_reader;
2183 xmlTextReaderPyCtxtPtr pyCtxt;
2184 xmlTextReaderErrorFunc f;
2185 void *arg;
2186
2187 if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeTextReader", &pyobj_reader))
2188 return(NULL);
2189 if (!PyCapsule_CheckExact(pyobj_reader)) {
2190 Py_INCREF(Py_None);
2191 return(Py_None);
2192 }
2193 reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
2194 if (reader == NULL) {
2195 Py_INCREF(Py_None);
2196 return(Py_None);
2197 }
2198
2199 xmlTextReaderGetErrorHandler(reader,&f,&arg);
2200 if (arg != NULL) {
2201 if (f == (xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback) {
2202 /* ok, it's our error handler! */
2203 pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
2204 Py_XDECREF(pyCtxt->f);
2205 Py_XDECREF(pyCtxt->arg);
2206 xmlFree(pyCtxt);
2207 }
2208 /*
2209 * else, something wrong happened, because the error handler is
2210 * not owned by the python bindings...
2211 */
2212 }
2213
2214 xmlFreeTextReader(reader);
2215 Py_INCREF(Py_None);
2216 return(Py_None);
2217 }
2218 #endif
2219
2220 /************************************************************************
2221 * *
2222 * XPath extensions *
2223 * *
2224 ************************************************************************/
2225
2226 static void
libxml_xmlXPathFuncCallback(xmlXPathParserContextPtr ctxt,int nargs)2227 libxml_xmlXPathFuncCallback(xmlXPathParserContextPtr ctxt, int nargs)
2228 {
2229 PyObject *list, *cur, *result;
2230 xmlXPathObjectPtr obj;
2231 xmlXPathContextPtr rctxt;
2232 PyObject *current_function = NULL;
2233 const xmlChar *name;
2234 const xmlChar *ns_uri;
2235 int i;
2236
2237 if (ctxt == NULL)
2238 return;
2239 rctxt = ctxt->context;
2240 if (rctxt == NULL)
2241 return;
2242 name = rctxt->function;
2243 ns_uri = rctxt->functionURI;
2244 #ifdef DEBUG_XPATH
2245 printf("libxml_xmlXPathFuncCallback called name %s URI %s\n", name,
2246 ns_uri);
2247 #endif
2248
2249 /*
2250 * Find the function, it should be there it was there at lookup
2251 */
2252 for (i = 0; i < libxml_xpathCallbacksNb; i++) {
2253 if ( /* TODO (ctxt == libxml_xpathCallbacks[i].ctx) && */
2254 (xmlStrEqual(name, (*libxml_xpathCallbacks)[i].name)) &&
2255 (xmlStrEqual(ns_uri, (*libxml_xpathCallbacks)[i].ns_uri))) {
2256 current_function = (*libxml_xpathCallbacks)[i].function;
2257 }
2258 }
2259 if (current_function == NULL) {
2260 printf
2261 ("libxml_xmlXPathFuncCallback: internal error %s not found !\n",
2262 name);
2263 return;
2264 }
2265
2266 list = PyTuple_New(nargs + 1);
2267 PyTuple_SetItem(list, 0, libxml_xmlXPathParserContextPtrWrap(ctxt));
2268 for (i = nargs - 1; i >= 0; i--) {
2269 obj = valuePop(ctxt);
2270 cur = libxml_xmlXPathObjectPtrWrap(obj);
2271 PyTuple_SetItem(list, i + 1, cur);
2272 }
2273 result = PyEval_CallObject(current_function, list);
2274 Py_DECREF(list);
2275
2276 obj = libxml_xmlXPathObjectPtrConvert(result);
2277 valuePush(ctxt, obj);
2278 }
2279
2280 static xmlXPathFunction
libxml_xmlXPathFuncLookupFunc(void * ctxt,const xmlChar * name,const xmlChar * ns_uri)2281 libxml_xmlXPathFuncLookupFunc(void *ctxt, const xmlChar * name,
2282 const xmlChar * ns_uri)
2283 {
2284 int i;
2285
2286 #ifdef DEBUG_XPATH
2287 printf("libxml_xmlXPathFuncLookupFunc(%p, %s, %s) called\n",
2288 ctxt, name, ns_uri);
2289 #endif
2290 /*
2291 * This is called once only. The address is then stored in the
2292 * XPath expression evaluation, the proper object to call can
2293 * then still be found using the execution context function
2294 * and functionURI fields.
2295 */
2296 for (i = 0; i < libxml_xpathCallbacksNb; i++) {
2297 if ((ctxt == (*libxml_xpathCallbacks)[i].ctx) &&
2298 (xmlStrEqual(name, (*libxml_xpathCallbacks)[i].name)) &&
2299 (xmlStrEqual(ns_uri, (*libxml_xpathCallbacks)[i].ns_uri))) {
2300 return (libxml_xmlXPathFuncCallback);
2301 }
2302 }
2303 return (NULL);
2304 }
2305
2306 static void
libxml_xpathCallbacksInitialize(void)2307 libxml_xpathCallbacksInitialize(void)
2308 {
2309 int i;
2310
2311 if (libxml_xpathCallbacksInitialized != 0)
2312 return;
2313
2314 #ifdef DEBUG_XPATH
2315 printf("libxml_xpathCallbacksInitialized called\n");
2316 #endif
2317 libxml_xpathCallbacks = (libxml_xpathCallbackArray*)xmlMalloc(
2318 libxml_xpathCallbacksAllocd*sizeof(libxml_xpathCallback));
2319
2320 for (i = 0; i < libxml_xpathCallbacksAllocd; i++) {
2321 (*libxml_xpathCallbacks)[i].ctx = NULL;
2322 (*libxml_xpathCallbacks)[i].name = NULL;
2323 (*libxml_xpathCallbacks)[i].ns_uri = NULL;
2324 (*libxml_xpathCallbacks)[i].function = NULL;
2325 }
2326 libxml_xpathCallbacksInitialized = 1;
2327 }
2328
2329 PyObject *
libxml_xmlRegisterXPathFunction(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2330 libxml_xmlRegisterXPathFunction(ATTRIBUTE_UNUSED PyObject * self,
2331 PyObject * args)
2332 {
2333 PyObject *py_retval;
2334 int c_retval = 0;
2335 xmlChar *name;
2336 xmlChar *ns_uri;
2337 xmlXPathContextPtr ctx;
2338 PyObject *pyobj_ctx;
2339 PyObject *pyobj_f;
2340 int i;
2341
2342 if (!PyArg_ParseTuple
2343 (args, (char *) "OszO:registerXPathFunction", &pyobj_ctx, &name,
2344 &ns_uri, &pyobj_f))
2345 return (NULL);
2346
2347 ctx = (xmlXPathContextPtr) PyxmlXPathContext_Get(pyobj_ctx);
2348 if (libxml_xpathCallbacksInitialized == 0)
2349 libxml_xpathCallbacksInitialize();
2350 xmlXPathRegisterFuncLookup(ctx, libxml_xmlXPathFuncLookupFunc, ctx);
2351
2352 if ((pyobj_ctx == NULL) || (name == NULL) || (pyobj_f == NULL)) {
2353 py_retval = libxml_intWrap(-1);
2354 return (py_retval);
2355 }
2356 #ifdef DEBUG_XPATH
2357 printf("libxml_registerXPathFunction(%p, %s, %s) called\n",
2358 ctx, name, ns_uri);
2359 #endif
2360 for (i = 0; i < libxml_xpathCallbacksNb; i++) {
2361 if ((ctx == (*libxml_xpathCallbacks)[i].ctx) &&
2362 (xmlStrEqual(name, (*libxml_xpathCallbacks)[i].name)) &&
2363 (xmlStrEqual(ns_uri, (*libxml_xpathCallbacks)[i].ns_uri))) {
2364 Py_XINCREF(pyobj_f);
2365 Py_XDECREF((*libxml_xpathCallbacks)[i].function);
2366 (*libxml_xpathCallbacks)[i].function = pyobj_f;
2367 c_retval = 1;
2368 goto done;
2369 }
2370 }
2371 if (libxml_xpathCallbacksNb >= libxml_xpathCallbacksAllocd) {
2372 libxml_xpathCallbacksAllocd+=10;
2373 libxml_xpathCallbacks = (libxml_xpathCallbackArray*)xmlRealloc(
2374 libxml_xpathCallbacks,
2375 libxml_xpathCallbacksAllocd*sizeof(libxml_xpathCallback));
2376 }
2377 i = libxml_xpathCallbacksNb++;
2378 Py_XINCREF(pyobj_f);
2379 (*libxml_xpathCallbacks)[i].ctx = ctx;
2380 (*libxml_xpathCallbacks)[i].name = xmlStrdup(name);
2381 (*libxml_xpathCallbacks)[i].ns_uri = xmlStrdup(ns_uri);
2382 (*libxml_xpathCallbacks)[i].function = pyobj_f;
2383 c_retval = 1;
2384
2385 done:
2386 py_retval = libxml_intWrap((int) c_retval);
2387 return (py_retval);
2388 }
2389
2390 PyObject *
libxml_xmlXPathRegisterVariable(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2391 libxml_xmlXPathRegisterVariable(ATTRIBUTE_UNUSED PyObject * self,
2392 PyObject * args)
2393 {
2394 PyObject *py_retval;
2395 int c_retval = 0;
2396 xmlChar *name;
2397 xmlChar *ns_uri;
2398 xmlXPathContextPtr ctx;
2399 xmlXPathObjectPtr val;
2400 PyObject *pyobj_ctx;
2401 PyObject *pyobj_value;
2402
2403 if (!PyArg_ParseTuple
2404 (args, (char *) "OszO:xpathRegisterVariable", &pyobj_ctx, &name,
2405 &ns_uri, &pyobj_value))
2406 return (NULL);
2407
2408 ctx = (xmlXPathContextPtr) PyxmlXPathContext_Get(pyobj_ctx);
2409 val = libxml_xmlXPathObjectPtrConvert(pyobj_value);
2410
2411 c_retval = xmlXPathRegisterVariableNS(ctx, name, ns_uri, val);
2412 py_retval = libxml_intWrap(c_retval);
2413 return (py_retval);
2414 }
2415
2416 /************************************************************************
2417 * *
2418 * Global properties access *
2419 * *
2420 ************************************************************************/
2421 static PyObject *
libxml_name(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2422 libxml_name(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2423 {
2424 PyObject *resultobj, *obj;
2425 xmlNodePtr cur;
2426 const xmlChar *res;
2427
2428 if (!PyArg_ParseTuple(args, (char *) "O:name", &obj))
2429 return NULL;
2430 cur = PyxmlNode_Get(obj);
2431
2432 #ifdef DEBUG
2433 printf("libxml_name: cur = %p type %d\n", cur, cur->type);
2434 #endif
2435
2436 switch (cur->type) {
2437 case XML_DOCUMENT_NODE:
2438 #ifdef LIBXML_DOCB_ENABLED
2439 case XML_DOCB_DOCUMENT_NODE:
2440 #endif
2441 case XML_HTML_DOCUMENT_NODE:{
2442 xmlDocPtr doc = (xmlDocPtr) cur;
2443
2444 res = doc->URL;
2445 break;
2446 }
2447 case XML_ATTRIBUTE_NODE:{
2448 xmlAttrPtr attr = (xmlAttrPtr) cur;
2449
2450 res = attr->name;
2451 break;
2452 }
2453 case XML_NAMESPACE_DECL:{
2454 xmlNsPtr ns = (xmlNsPtr) cur;
2455
2456 res = ns->prefix;
2457 break;
2458 }
2459 default:
2460 res = cur->name;
2461 break;
2462 }
2463 resultobj = libxml_constxmlCharPtrWrap(res);
2464
2465 return resultobj;
2466 }
2467
2468 static PyObject *
libxml_doc(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2469 libxml_doc(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2470 {
2471 PyObject *resultobj, *obj;
2472 xmlNodePtr cur;
2473 xmlDocPtr res;
2474
2475 if (!PyArg_ParseTuple(args, (char *) "O:doc", &obj))
2476 return NULL;
2477 cur = PyxmlNode_Get(obj);
2478
2479 #ifdef DEBUG
2480 printf("libxml_doc: cur = %p\n", cur);
2481 #endif
2482
2483 switch (cur->type) {
2484 case XML_DOCUMENT_NODE:
2485 #ifdef LIBXML_DOCB_ENABLED
2486 case XML_DOCB_DOCUMENT_NODE:
2487 #endif
2488 case XML_HTML_DOCUMENT_NODE:
2489 res = NULL;
2490 break;
2491 case XML_ATTRIBUTE_NODE:{
2492 xmlAttrPtr attr = (xmlAttrPtr) cur;
2493
2494 res = attr->doc;
2495 break;
2496 }
2497 case XML_NAMESPACE_DECL:
2498 res = NULL;
2499 break;
2500 default:
2501 res = cur->doc;
2502 break;
2503 }
2504 resultobj = libxml_xmlDocPtrWrap(res);
2505 return resultobj;
2506 }
2507
2508 static PyObject *
libxml_properties(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2509 libxml_properties(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2510 {
2511 PyObject *resultobj, *obj;
2512 xmlNodePtr cur;
2513 xmlAttrPtr res;
2514
2515 if (!PyArg_ParseTuple(args, (char *) "O:properties", &obj))
2516 return NULL;
2517 cur = PyxmlNode_Get(obj);
2518 if ((cur != NULL) && (cur->type == XML_ELEMENT_NODE))
2519 res = cur->properties;
2520 else
2521 res = NULL;
2522 resultobj = libxml_xmlAttrPtrWrap(res);
2523 return resultobj;
2524 }
2525
2526 static PyObject *
libxml_next(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2527 libxml_next(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2528 {
2529 PyObject *resultobj, *obj;
2530 xmlNodePtr cur;
2531 xmlNodePtr res;
2532
2533 if (!PyArg_ParseTuple(args, (char *) "O:next", &obj))
2534 return NULL;
2535 cur = PyxmlNode_Get(obj);
2536
2537 #ifdef DEBUG
2538 printf("libxml_next: cur = %p\n", cur);
2539 #endif
2540
2541 switch (cur->type) {
2542 case XML_DOCUMENT_NODE:
2543 #ifdef LIBXML_DOCB_ENABLED
2544 case XML_DOCB_DOCUMENT_NODE:
2545 #endif
2546 case XML_HTML_DOCUMENT_NODE:
2547 res = NULL;
2548 break;
2549 case XML_ATTRIBUTE_NODE:{
2550 xmlAttrPtr attr = (xmlAttrPtr) cur;
2551
2552 res = (xmlNodePtr) attr->next;
2553 break;
2554 }
2555 case XML_NAMESPACE_DECL:{
2556 xmlNsPtr ns = (xmlNsPtr) cur;
2557
2558 res = (xmlNodePtr) ns->next;
2559 break;
2560 }
2561 default:
2562 res = cur->next;
2563 break;
2564
2565 }
2566 resultobj = libxml_xmlNodePtrWrap(res);
2567 return resultobj;
2568 }
2569
2570 static PyObject *
libxml_prev(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2571 libxml_prev(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2572 {
2573 PyObject *resultobj, *obj;
2574 xmlNodePtr cur;
2575 xmlNodePtr res;
2576
2577 if (!PyArg_ParseTuple(args, (char *) "O:prev", &obj))
2578 return NULL;
2579 cur = PyxmlNode_Get(obj);
2580
2581 #ifdef DEBUG
2582 printf("libxml_prev: cur = %p\n", cur);
2583 #endif
2584
2585 switch (cur->type) {
2586 case XML_DOCUMENT_NODE:
2587 #ifdef LIBXML_DOCB_ENABLED
2588 case XML_DOCB_DOCUMENT_NODE:
2589 #endif
2590 case XML_HTML_DOCUMENT_NODE:
2591 res = NULL;
2592 break;
2593 case XML_ATTRIBUTE_NODE:{
2594 xmlAttrPtr attr = (xmlAttrPtr) cur;
2595
2596 res = (xmlNodePtr) attr->prev;
2597 }
2598 break;
2599 case XML_NAMESPACE_DECL:
2600 res = NULL;
2601 break;
2602 default:
2603 res = cur->prev;
2604 break;
2605 }
2606 resultobj = libxml_xmlNodePtrWrap(res);
2607 return resultobj;
2608 }
2609
2610 static PyObject *
libxml_children(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2611 libxml_children(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2612 {
2613 PyObject *resultobj, *obj;
2614 xmlNodePtr cur;
2615 xmlNodePtr res;
2616
2617 if (!PyArg_ParseTuple(args, (char *) "O:children", &obj))
2618 return NULL;
2619 cur = PyxmlNode_Get(obj);
2620
2621 #ifdef DEBUG
2622 printf("libxml_children: cur = %p\n", cur);
2623 #endif
2624
2625 switch (cur->type) {
2626 case XML_ELEMENT_NODE:
2627 case XML_ENTITY_REF_NODE:
2628 case XML_ENTITY_NODE:
2629 case XML_PI_NODE:
2630 case XML_COMMENT_NODE:
2631 case XML_DOCUMENT_NODE:
2632 #ifdef LIBXML_DOCB_ENABLED
2633 case XML_DOCB_DOCUMENT_NODE:
2634 #endif
2635 case XML_HTML_DOCUMENT_NODE:
2636 case XML_DTD_NODE:
2637 res = cur->children;
2638 break;
2639 case XML_ATTRIBUTE_NODE:{
2640 xmlAttrPtr attr = (xmlAttrPtr) cur;
2641
2642 res = attr->children;
2643 break;
2644 }
2645 default:
2646 res = NULL;
2647 break;
2648 }
2649 resultobj = libxml_xmlNodePtrWrap(res);
2650 return resultobj;
2651 }
2652
2653 static PyObject *
libxml_last(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2654 libxml_last(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2655 {
2656 PyObject *resultobj, *obj;
2657 xmlNodePtr cur;
2658 xmlNodePtr res;
2659
2660 if (!PyArg_ParseTuple(args, (char *) "O:last", &obj))
2661 return NULL;
2662 cur = PyxmlNode_Get(obj);
2663
2664 #ifdef DEBUG
2665 printf("libxml_last: cur = %p\n", cur);
2666 #endif
2667
2668 switch (cur->type) {
2669 case XML_ELEMENT_NODE:
2670 case XML_ENTITY_REF_NODE:
2671 case XML_ENTITY_NODE:
2672 case XML_PI_NODE:
2673 case XML_COMMENT_NODE:
2674 case XML_DOCUMENT_NODE:
2675 #ifdef LIBXML_DOCB_ENABLED
2676 case XML_DOCB_DOCUMENT_NODE:
2677 #endif
2678 case XML_HTML_DOCUMENT_NODE:
2679 case XML_DTD_NODE:
2680 res = cur->last;
2681 break;
2682 case XML_ATTRIBUTE_NODE:{
2683 xmlAttrPtr attr = (xmlAttrPtr) cur;
2684
2685 res = attr->last;
2686 break;
2687 }
2688 default:
2689 res = NULL;
2690 break;
2691 }
2692 resultobj = libxml_xmlNodePtrWrap(res);
2693 return resultobj;
2694 }
2695
2696 static PyObject *
libxml_parent(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2697 libxml_parent(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2698 {
2699 PyObject *resultobj, *obj;
2700 xmlNodePtr cur;
2701 xmlNodePtr res;
2702
2703 if (!PyArg_ParseTuple(args, (char *) "O:parent", &obj))
2704 return NULL;
2705 cur = PyxmlNode_Get(obj);
2706
2707 #ifdef DEBUG
2708 printf("libxml_parent: cur = %p\n", cur);
2709 #endif
2710
2711 switch (cur->type) {
2712 case XML_DOCUMENT_NODE:
2713 case XML_HTML_DOCUMENT_NODE:
2714 #ifdef LIBXML_DOCB_ENABLED
2715 case XML_DOCB_DOCUMENT_NODE:
2716 #endif
2717 res = NULL;
2718 break;
2719 case XML_ATTRIBUTE_NODE:{
2720 xmlAttrPtr attr = (xmlAttrPtr) cur;
2721
2722 res = attr->parent;
2723 }
2724 break;
2725 case XML_ENTITY_DECL:
2726 case XML_NAMESPACE_DECL:
2727 case XML_XINCLUDE_START:
2728 case XML_XINCLUDE_END:
2729 res = NULL;
2730 break;
2731 default:
2732 res = cur->parent;
2733 break;
2734 }
2735 resultobj = libxml_xmlNodePtrWrap(res);
2736 return resultobj;
2737 }
2738
2739 static PyObject *
libxml_type(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2740 libxml_type(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2741 {
2742 PyObject *resultobj, *obj;
2743 xmlNodePtr cur;
2744 const xmlChar *res = NULL;
2745
2746 if (!PyArg_ParseTuple(args, (char *) "O:last", &obj))
2747 return NULL;
2748 cur = PyxmlNode_Get(obj);
2749 if (cur == NULL) {
2750 Py_INCREF(Py_None);
2751 return (Py_None);
2752 }
2753
2754 #ifdef DEBUG
2755 printf("libxml_type: cur = %p\n", cur);
2756 #endif
2757
2758 switch (cur->type) {
2759 case XML_ELEMENT_NODE:
2760 res = (const xmlChar *) "element";
2761 break;
2762 case XML_ATTRIBUTE_NODE:
2763 res = (const xmlChar *) "attribute";
2764 break;
2765 case XML_TEXT_NODE:
2766 res = (const xmlChar *) "text";
2767 break;
2768 case XML_CDATA_SECTION_NODE:
2769 res = (const xmlChar *) "cdata";
2770 break;
2771 case XML_ENTITY_REF_NODE:
2772 res = (const xmlChar *) "entity_ref";
2773 break;
2774 case XML_ENTITY_NODE:
2775 res = (const xmlChar *) "entity";
2776 break;
2777 case XML_PI_NODE:
2778 res = (const xmlChar *) "pi";
2779 break;
2780 case XML_COMMENT_NODE:
2781 res = (const xmlChar *) "comment";
2782 break;
2783 case XML_DOCUMENT_NODE:
2784 res = (const xmlChar *) "document_xml";
2785 break;
2786 case XML_DOCUMENT_TYPE_NODE:
2787 res = (const xmlChar *) "doctype";
2788 break;
2789 case XML_DOCUMENT_FRAG_NODE:
2790 res = (const xmlChar *) "fragment";
2791 break;
2792 case XML_NOTATION_NODE:
2793 res = (const xmlChar *) "notation";
2794 break;
2795 case XML_HTML_DOCUMENT_NODE:
2796 res = (const xmlChar *) "document_html";
2797 break;
2798 case XML_DTD_NODE:
2799 res = (const xmlChar *) "dtd";
2800 break;
2801 case XML_ELEMENT_DECL:
2802 res = (const xmlChar *) "elem_decl";
2803 break;
2804 case XML_ATTRIBUTE_DECL:
2805 res = (const xmlChar *) "attribute_decl";
2806 break;
2807 case XML_ENTITY_DECL:
2808 res = (const xmlChar *) "entity_decl";
2809 break;
2810 case XML_NAMESPACE_DECL:
2811 res = (const xmlChar *) "namespace";
2812 break;
2813 case XML_XINCLUDE_START:
2814 res = (const xmlChar *) "xinclude_start";
2815 break;
2816 case XML_XINCLUDE_END:
2817 res = (const xmlChar *) "xinclude_end";
2818 break;
2819 #ifdef LIBXML_DOCB_ENABLED
2820 case XML_DOCB_DOCUMENT_NODE:
2821 res = (const xmlChar *) "document_docbook";
2822 break;
2823 #endif
2824 }
2825 #ifdef DEBUG
2826 printf("libxml_type: cur = %p: %s\n", cur, res);
2827 #endif
2828
2829 resultobj = libxml_constxmlCharPtrWrap(res);
2830 return resultobj;
2831 }
2832
2833 /************************************************************************
2834 * *
2835 * Specific accessor functions *
2836 * *
2837 ************************************************************************/
2838 PyObject *
libxml_xmlNodeGetNsDefs(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2839 libxml_xmlNodeGetNsDefs(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2840 {
2841 PyObject *py_retval;
2842 xmlNsPtr c_retval;
2843 xmlNodePtr node;
2844 PyObject *pyobj_node;
2845
2846 if (!PyArg_ParseTuple
2847 (args, (char *) "O:xmlNodeGetNsDefs", &pyobj_node))
2848 return (NULL);
2849 node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
2850
2851 if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) {
2852 Py_INCREF(Py_None);
2853 return (Py_None);
2854 }
2855 c_retval = node->nsDef;
2856 py_retval = libxml_xmlNsPtrWrap((xmlNsPtr) c_retval);
2857 return (py_retval);
2858 }
2859
2860 PyObject *
libxml_xmlNodeRemoveNsDef(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2861 libxml_xmlNodeRemoveNsDef(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2862 {
2863 PyObject *py_retval;
2864 xmlNsPtr ns, prev;
2865 xmlNodePtr node;
2866 PyObject *pyobj_node;
2867 xmlChar *href;
2868 xmlNsPtr c_retval;
2869
2870 if (!PyArg_ParseTuple
2871 (args, (char *) "Oz:xmlNodeRemoveNsDef", &pyobj_node, &href))
2872 return (NULL);
2873 node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
2874 ns = NULL;
2875
2876 if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) {
2877 Py_INCREF(Py_None);
2878 return (Py_None);
2879 }
2880
2881 if (href == NULL) {
2882 ns = node->nsDef;
2883 node->nsDef = NULL;
2884 c_retval = 0;
2885 }
2886 else {
2887 prev = NULL;
2888 ns = node->nsDef;
2889 while (ns != NULL) {
2890 if (xmlStrEqual(ns->href, href)) {
2891 if (prev != NULL)
2892 prev->next = ns->next;
2893 else
2894 node->nsDef = ns->next;
2895 ns->next = NULL;
2896 c_retval = 0;
2897 break;
2898 }
2899 prev = ns;
2900 ns = ns->next;
2901 }
2902 }
2903
2904 c_retval = ns;
2905 py_retval = libxml_xmlNsPtrWrap((xmlNsPtr) c_retval);
2906 return (py_retval);
2907 }
2908
2909 PyObject *
libxml_xmlNodeGetNs(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2910 libxml_xmlNodeGetNs(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2911 {
2912 PyObject *py_retval;
2913 xmlNsPtr c_retval;
2914 xmlNodePtr node;
2915 PyObject *pyobj_node;
2916
2917 if (!PyArg_ParseTuple(args, (char *) "O:xmlNodeGetNs", &pyobj_node))
2918 return (NULL);
2919 node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
2920
2921 if ((node == NULL) ||
2922 ((node->type != XML_ELEMENT_NODE) &&
2923 (node->type != XML_ATTRIBUTE_NODE))) {
2924 Py_INCREF(Py_None);
2925 return (Py_None);
2926 }
2927 c_retval = node->ns;
2928 py_retval = libxml_xmlNsPtrWrap((xmlNsPtr) c_retval);
2929 return (py_retval);
2930 }
2931
2932 #ifdef LIBXML_OUTPUT_ENABLED
2933 /************************************************************************
2934 * *
2935 * Serialization front-end *
2936 * *
2937 ************************************************************************/
2938
2939 static PyObject *
libxml_serializeNode(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)2940 libxml_serializeNode(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
2941 {
2942 PyObject *py_retval = NULL;
2943 xmlChar *c_retval;
2944 PyObject *pyobj_node;
2945 xmlNodePtr node;
2946 xmlDocPtr doc;
2947 const char *encoding;
2948 int format;
2949 xmlSaveCtxtPtr ctxt;
2950 xmlBufferPtr buf;
2951 int options = 0;
2952
2953 if (!PyArg_ParseTuple(args, (char *) "Ozi:serializeNode", &pyobj_node,
2954 &encoding, &format))
2955 return (NULL);
2956 node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
2957
2958 if (node == NULL) {
2959 Py_INCREF(Py_None);
2960 return (Py_None);
2961 }
2962 if (node->type == XML_DOCUMENT_NODE) {
2963 doc = (xmlDocPtr) node;
2964 node = NULL;
2965 #ifdef LIBXML_HTML_ENABLED
2966 } else if (node->type == XML_HTML_DOCUMENT_NODE) {
2967 doc = (xmlDocPtr) node;
2968 node = NULL;
2969 #endif
2970 } else {
2971 if (node->type == XML_NAMESPACE_DECL)
2972 doc = NULL;
2973 else
2974 doc = node->doc;
2975 if ((doc == NULL) || (doc->type == XML_DOCUMENT_NODE)) {
2976 #ifdef LIBXML_HTML_ENABLED
2977 } else if (doc->type == XML_HTML_DOCUMENT_NODE) {
2978 #endif /* LIBXML_HTML_ENABLED */
2979 } else {
2980 Py_INCREF(Py_None);
2981 return (Py_None);
2982 }
2983 }
2984
2985
2986 buf = xmlBufferCreate();
2987 if (buf == NULL) {
2988 Py_INCREF(Py_None);
2989 return (Py_None);
2990 }
2991 if (format) options |= XML_SAVE_FORMAT;
2992 ctxt = xmlSaveToBuffer(buf, encoding, options);
2993 if (ctxt == NULL) {
2994 xmlBufferFree(buf);
2995 Py_INCREF(Py_None);
2996 return (Py_None);
2997 }
2998 if (node == NULL)
2999 xmlSaveDoc(ctxt, doc);
3000 else
3001 xmlSaveTree(ctxt, node);
3002 xmlSaveClose(ctxt);
3003
3004 c_retval = buf->content;
3005 buf->content = NULL;
3006
3007 xmlBufferFree(buf);
3008 py_retval = libxml_charPtrWrap((char *) c_retval);
3009
3010 return (py_retval);
3011 }
3012
3013 static PyObject *
libxml_saveNodeTo(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3014 libxml_saveNodeTo(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3015 {
3016 PyObject *py_file = NULL;
3017 FILE *output;
3018 PyObject *pyobj_node;
3019 xmlNodePtr node;
3020 xmlDocPtr doc;
3021 const char *encoding;
3022 int format;
3023 int len;
3024 xmlOutputBufferPtr buf;
3025 xmlCharEncodingHandlerPtr handler = NULL;
3026
3027 if (!PyArg_ParseTuple(args, (char *) "OOzi:serializeNode", &pyobj_node,
3028 &py_file, &encoding, &format))
3029 return (NULL);
3030 node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
3031 if (node == NULL) {
3032 return (PyLong_FromLong((long) -1));
3033 }
3034 output = PyFile_Get(py_file);
3035 if (output == NULL) {
3036 return (PyLong_FromLong((long) -1));
3037 }
3038
3039 if (node->type == XML_DOCUMENT_NODE) {
3040 doc = (xmlDocPtr) node;
3041 } else if (node->type == XML_HTML_DOCUMENT_NODE) {
3042 doc = (xmlDocPtr) node;
3043 } else {
3044 doc = node->doc;
3045 }
3046 #ifdef LIBXML_HTML_ENABLED
3047 if (doc->type == XML_HTML_DOCUMENT_NODE) {
3048 if (encoding == NULL)
3049 encoding = (const char *) htmlGetMetaEncoding(doc);
3050 }
3051 #endif /* LIBXML_HTML_ENABLED */
3052 if (encoding != NULL) {
3053 handler = xmlFindCharEncodingHandler(encoding);
3054 if (handler == NULL) {
3055 return (PyLong_FromLong((long) -1));
3056 }
3057 }
3058 if (doc->type == XML_HTML_DOCUMENT_NODE) {
3059 if (handler == NULL)
3060 handler = xmlFindCharEncodingHandler("HTML");
3061 if (handler == NULL)
3062 handler = xmlFindCharEncodingHandler("ascii");
3063 }
3064
3065 buf = xmlOutputBufferCreateFile(output, handler);
3066 if (node->type == XML_DOCUMENT_NODE) {
3067 len = xmlSaveFormatFileTo(buf, doc, encoding, format);
3068 #ifdef LIBXML_HTML_ENABLED
3069 } else if (node->type == XML_HTML_DOCUMENT_NODE) {
3070 htmlDocContentDumpFormatOutput(buf, doc, encoding, format);
3071 len = xmlOutputBufferClose(buf);
3072 } else if (doc->type == XML_HTML_DOCUMENT_NODE) {
3073 htmlNodeDumpFormatOutput(buf, doc, node, encoding, format);
3074 len = xmlOutputBufferClose(buf);
3075 #endif /* LIBXML_HTML_ENABLED */
3076 } else {
3077 xmlNodeDumpOutput(buf, doc, node, 0, format, encoding);
3078 len = xmlOutputBufferClose(buf);
3079 }
3080 PyFile_Release(output);
3081 return (PyLong_FromLong((long) len));
3082 }
3083 #endif /* LIBXML_OUTPUT_ENABLED */
3084
3085 /************************************************************************
3086 * *
3087 * Extra stuff *
3088 * *
3089 ************************************************************************/
3090 PyObject *
libxml_xmlNewNode(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3091 libxml_xmlNewNode(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3092 {
3093 PyObject *py_retval;
3094 xmlChar *name;
3095 xmlNodePtr node;
3096
3097 if (!PyArg_ParseTuple(args, (char *) "s:xmlNewNode", &name))
3098 return (NULL);
3099 node = (xmlNodePtr) xmlNewNode(NULL, name);
3100 #ifdef DEBUG
3101 printf("NewNode: %s : %p\n", name, (void *) node);
3102 #endif
3103
3104 if (node == NULL) {
3105 Py_INCREF(Py_None);
3106 return (Py_None);
3107 }
3108 py_retval = libxml_xmlNodePtrWrap(node);
3109 return (py_retval);
3110 }
3111
3112
3113 /************************************************************************
3114 * *
3115 * Local Catalog stuff *
3116 * *
3117 ************************************************************************/
3118 static PyObject *
libxml_addLocalCatalog(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3119 libxml_addLocalCatalog(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3120 {
3121 xmlChar *URL;
3122 xmlParserCtxtPtr ctxt;
3123 PyObject *pyobj_ctxt;
3124
3125 if (!PyArg_ParseTuple(args, (char *)"Os:addLocalCatalog", &pyobj_ctxt, &URL))
3126 return(NULL);
3127
3128 ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
3129
3130 if (URL != NULL) {
3131 ctxt->catalogs = xmlCatalogAddLocal(ctxt->catalogs, URL);
3132 }
3133
3134 #ifdef DEBUG
3135 printf("LocalCatalog: %s\n", URL);
3136 #endif
3137
3138 Py_INCREF(Py_None);
3139 return (Py_None);
3140 }
3141
3142 #ifdef LIBXML_SCHEMAS_ENABLED
3143
3144 /************************************************************************
3145 * *
3146 * RelaxNG error handler registration *
3147 * *
3148 ************************************************************************/
3149
3150 typedef struct
3151 {
3152 PyObject *warn;
3153 PyObject *error;
3154 PyObject *arg;
3155 } xmlRelaxNGValidCtxtPyCtxt;
3156 typedef xmlRelaxNGValidCtxtPyCtxt *xmlRelaxNGValidCtxtPyCtxtPtr;
3157
3158 static void
libxml_xmlRelaxNGValidityGenericErrorFuncHandler(void * ctx,char * str)3159 libxml_xmlRelaxNGValidityGenericErrorFuncHandler(void *ctx, char *str)
3160 {
3161 PyObject *list;
3162 PyObject *result;
3163 xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
3164
3165 #ifdef DEBUG_ERROR
3166 printf("libxml_xmlRelaxNGValidityGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, str);
3167 #endif
3168
3169 pyCtxt = (xmlRelaxNGValidCtxtPyCtxtPtr)ctx;
3170
3171 list = PyTuple_New(2);
3172 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
3173 PyTuple_SetItem(list, 1, pyCtxt->arg);
3174 Py_XINCREF(pyCtxt->arg);
3175 result = PyEval_CallObject(pyCtxt->error, list);
3176 if (result == NULL)
3177 {
3178 /* TODO: manage for the exception to be propagated... */
3179 PyErr_Print();
3180 }
3181 Py_XDECREF(list);
3182 Py_XDECREF(result);
3183 }
3184
3185 static void
libxml_xmlRelaxNGValidityGenericWarningFuncHandler(void * ctx,char * str)3186 libxml_xmlRelaxNGValidityGenericWarningFuncHandler(void *ctx, char *str)
3187 {
3188 PyObject *list;
3189 PyObject *result;
3190 xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
3191
3192 #ifdef DEBUG_ERROR
3193 printf("libxml_xmlRelaxNGValidityGenericWarningFuncHandler(%p, %s, ...) called\n", ctx, str);
3194 #endif
3195
3196 pyCtxt = (xmlRelaxNGValidCtxtPyCtxtPtr)ctx;
3197
3198 list = PyTuple_New(2);
3199 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
3200 PyTuple_SetItem(list, 1, pyCtxt->arg);
3201 Py_XINCREF(pyCtxt->arg);
3202 result = PyEval_CallObject(pyCtxt->warn, list);
3203 if (result == NULL)
3204 {
3205 /* TODO: manage for the exception to be propagated... */
3206 PyErr_Print();
3207 }
3208 Py_XDECREF(list);
3209 Py_XDECREF(result);
3210 }
3211
3212 static void
libxml_xmlRelaxNGValidityErrorFunc(void * ctx,const char * msg,...)3213 libxml_xmlRelaxNGValidityErrorFunc(void *ctx, const char *msg, ...)
3214 {
3215 va_list ap;
3216
3217 va_start(ap, msg);
3218 libxml_xmlRelaxNGValidityGenericErrorFuncHandler(ctx, libxml_buildMessage(msg, ap));
3219 va_end(ap);
3220 }
3221
3222 static void
libxml_xmlRelaxNGValidityWarningFunc(void * ctx,const char * msg,...)3223 libxml_xmlRelaxNGValidityWarningFunc(void *ctx, const char *msg, ...)
3224 {
3225 va_list ap;
3226
3227 va_start(ap, msg);
3228 libxml_xmlRelaxNGValidityGenericWarningFuncHandler(ctx, libxml_buildMessage(msg, ap));
3229 va_end(ap);
3230 }
3231
3232 static PyObject *
libxml_xmlRelaxNGSetValidErrors(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3233 libxml_xmlRelaxNGSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3234 {
3235 PyObject *py_retval;
3236 PyObject *pyobj_error;
3237 PyObject *pyobj_warn;
3238 PyObject *pyobj_ctx;
3239 PyObject *pyobj_arg = Py_None;
3240 xmlRelaxNGValidCtxtPtr ctxt;
3241 xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
3242
3243 if (!PyArg_ParseTuple
3244 (args, (char *) "OOO|O:xmlRelaxNGSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
3245 return (NULL);
3246
3247 #ifdef DEBUG_ERROR
3248 printf("libxml_xmlRelaxNGSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
3249 #endif
3250
3251 ctxt = PyrelaxNgValidCtxt_Get(pyobj_ctx);
3252 if (xmlRelaxNGGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == -1)
3253 {
3254 py_retval = libxml_intWrap(-1);
3255 return(py_retval);
3256 }
3257
3258 if (pyCtxt == NULL)
3259 {
3260 /* first time to set the error handlers */
3261 pyCtxt = xmlMalloc(sizeof(xmlRelaxNGValidCtxtPyCtxt));
3262 if (pyCtxt == NULL) {
3263 py_retval = libxml_intWrap(-1);
3264 return(py_retval);
3265 }
3266 memset(pyCtxt, 0, sizeof(xmlRelaxNGValidCtxtPyCtxt));
3267 }
3268
3269 /* TODO: check warn and error is a function ! */
3270 Py_XDECREF(pyCtxt->error);
3271 Py_XINCREF(pyobj_error);
3272 pyCtxt->error = pyobj_error;
3273
3274 Py_XDECREF(pyCtxt->warn);
3275 Py_XINCREF(pyobj_warn);
3276 pyCtxt->warn = pyobj_warn;
3277
3278 Py_XDECREF(pyCtxt->arg);
3279 Py_XINCREF(pyobj_arg);
3280 pyCtxt->arg = pyobj_arg;
3281
3282 xmlRelaxNGSetValidErrors(ctxt, &libxml_xmlRelaxNGValidityErrorFunc, &libxml_xmlRelaxNGValidityWarningFunc, pyCtxt);
3283
3284 py_retval = libxml_intWrap(1);
3285 return (py_retval);
3286 }
3287
3288 static PyObject *
libxml_xmlRelaxNGFreeValidCtxt(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3289 libxml_xmlRelaxNGFreeValidCtxt(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
3290 xmlRelaxNGValidCtxtPtr ctxt;
3291 xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
3292 PyObject *pyobj_ctxt;
3293
3294 if (!PyArg_ParseTuple(args, (char *)"O:xmlRelaxNGFreeValidCtxt", &pyobj_ctxt))
3295 return(NULL);
3296 ctxt = (xmlRelaxNGValidCtxtPtr) PyrelaxNgValidCtxt_Get(pyobj_ctxt);
3297
3298 if (xmlRelaxNGGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == 0)
3299 {
3300 if (pyCtxt != NULL)
3301 {
3302 Py_XDECREF(pyCtxt->error);
3303 Py_XDECREF(pyCtxt->warn);
3304 Py_XDECREF(pyCtxt->arg);
3305 xmlFree(pyCtxt);
3306 }
3307 }
3308
3309 xmlRelaxNGFreeValidCtxt(ctxt);
3310 Py_INCREF(Py_None);
3311 return(Py_None);
3312 }
3313
3314 typedef struct
3315 {
3316 PyObject *warn;
3317 PyObject *error;
3318 PyObject *arg;
3319 } xmlSchemaValidCtxtPyCtxt;
3320 typedef xmlSchemaValidCtxtPyCtxt *xmlSchemaValidCtxtPyCtxtPtr;
3321
3322 static void
libxml_xmlSchemaValidityGenericErrorFuncHandler(void * ctx,char * str)3323 libxml_xmlSchemaValidityGenericErrorFuncHandler(void *ctx, char *str)
3324 {
3325 PyObject *list;
3326 PyObject *result;
3327 xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
3328
3329 #ifdef DEBUG_ERROR
3330 printf("libxml_xmlSchemaValiditiyGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, str);
3331 #endif
3332
3333 pyCtxt = (xmlSchemaValidCtxtPyCtxtPtr) ctx;
3334
3335 list = PyTuple_New(2);
3336 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
3337 PyTuple_SetItem(list, 1, pyCtxt->arg);
3338 Py_XINCREF(pyCtxt->arg);
3339 result = PyEval_CallObject(pyCtxt->error, list);
3340 if (result == NULL)
3341 {
3342 /* TODO: manage for the exception to be propagated... */
3343 PyErr_Print();
3344 }
3345 Py_XDECREF(list);
3346 Py_XDECREF(result);
3347 }
3348
3349 static void
libxml_xmlSchemaValidityGenericWarningFuncHandler(void * ctx,char * str)3350 libxml_xmlSchemaValidityGenericWarningFuncHandler(void *ctx, char *str)
3351 {
3352 PyObject *list;
3353 PyObject *result;
3354 xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
3355
3356 #ifdef DEBUG_ERROR
3357 printf("libxml_xmlSchemaValidityGenericWarningFuncHandler(%p, %s, ...) called\n", ctx, str);
3358 #endif
3359
3360 pyCtxt = (xmlSchemaValidCtxtPyCtxtPtr) ctx;
3361
3362 list = PyTuple_New(2);
3363 PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
3364 PyTuple_SetItem(list, 1, pyCtxt->arg);
3365 Py_XINCREF(pyCtxt->arg);
3366 result = PyEval_CallObject(pyCtxt->warn, list);
3367 if (result == NULL)
3368 {
3369 /* TODO: manage for the exception to be propagated... */
3370 PyErr_Print();
3371 }
3372 Py_XDECREF(list);
3373 Py_XDECREF(result);
3374 }
3375
3376 static void
libxml_xmlSchemaValidityErrorFunc(void * ctx,const char * msg,...)3377 libxml_xmlSchemaValidityErrorFunc(void *ctx, const char *msg, ...)
3378 {
3379 va_list ap;
3380
3381 va_start(ap, msg);
3382 libxml_xmlSchemaValidityGenericErrorFuncHandler(ctx, libxml_buildMessage(msg, ap));
3383 va_end(ap);
3384 }
3385
3386 static void
libxml_xmlSchemaValidityWarningFunc(void * ctx,const char * msg,...)3387 libxml_xmlSchemaValidityWarningFunc(void *ctx, const char *msg, ...)
3388 {
3389 va_list ap;
3390
3391 va_start(ap, msg);
3392 libxml_xmlSchemaValidityGenericWarningFuncHandler(ctx, libxml_buildMessage(msg, ap));
3393 va_end(ap);
3394 }
3395
3396 PyObject *
libxml_xmlSchemaSetValidErrors(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3397 libxml_xmlSchemaSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3398 {
3399 PyObject *py_retval;
3400 PyObject *pyobj_error;
3401 PyObject *pyobj_warn;
3402 PyObject *pyobj_ctx;
3403 PyObject *pyobj_arg = Py_None;
3404 xmlSchemaValidCtxtPtr ctxt;
3405 xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
3406
3407 if (!PyArg_ParseTuple
3408 (args, (char *) "OOO|O:xmlSchemaSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
3409 return (NULL);
3410
3411 #ifdef DEBUG_ERROR
3412 printf("libxml_xmlSchemaSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
3413 #endif
3414
3415 ctxt = PySchemaValidCtxt_Get(pyobj_ctx);
3416 if (xmlSchemaGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == -1)
3417 {
3418 py_retval = libxml_intWrap(-1);
3419 return(py_retval);
3420 }
3421
3422 if (pyCtxt == NULL)
3423 {
3424 /* first time to set the error handlers */
3425 pyCtxt = xmlMalloc(sizeof(xmlSchemaValidCtxtPyCtxt));
3426 if (pyCtxt == NULL) {
3427 py_retval = libxml_intWrap(-1);
3428 return(py_retval);
3429 }
3430 memset(pyCtxt, 0, sizeof(xmlSchemaValidCtxtPyCtxt));
3431 }
3432
3433 /* TODO: check warn and error is a function ! */
3434 Py_XDECREF(pyCtxt->error);
3435 Py_XINCREF(pyobj_error);
3436 pyCtxt->error = pyobj_error;
3437
3438 Py_XDECREF(pyCtxt->warn);
3439 Py_XINCREF(pyobj_warn);
3440 pyCtxt->warn = pyobj_warn;
3441
3442 Py_XDECREF(pyCtxt->arg);
3443 Py_XINCREF(pyobj_arg);
3444 pyCtxt->arg = pyobj_arg;
3445
3446 xmlSchemaSetValidErrors(ctxt, &libxml_xmlSchemaValidityErrorFunc, &libxml_xmlSchemaValidityWarningFunc, pyCtxt);
3447
3448 py_retval = libxml_intWrap(1);
3449 return(py_retval);
3450 }
3451
3452 static PyObject *
libxml_xmlSchemaFreeValidCtxt(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3453 libxml_xmlSchemaFreeValidCtxt(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
3454 {
3455 xmlSchemaValidCtxtPtr ctxt;
3456 xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
3457 PyObject *pyobj_ctxt;
3458
3459 if (!PyArg_ParseTuple(args, (char *)"O:xmlSchemaFreeValidCtxt", &pyobj_ctxt))
3460 return(NULL);
3461 ctxt = (xmlSchemaValidCtxtPtr) PySchemaValidCtxt_Get(pyobj_ctxt);
3462
3463 if (xmlSchemaGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == 0)
3464 {
3465 if (pyCtxt != NULL)
3466 {
3467 Py_XDECREF(pyCtxt->error);
3468 Py_XDECREF(pyCtxt->warn);
3469 Py_XDECREF(pyCtxt->arg);
3470 xmlFree(pyCtxt);
3471 }
3472 }
3473
3474 xmlSchemaFreeValidCtxt(ctxt);
3475 Py_INCREF(Py_None);
3476 return(Py_None);
3477 }
3478
3479 #endif
3480
3481 #ifdef LIBXML_C14N_ENABLED
3482 #ifdef LIBXML_OUTPUT_ENABLED
3483
3484 /************************************************************************
3485 * *
3486 * XML Canonicalization c14n *
3487 * *
3488 ************************************************************************/
3489
3490 static int
PyxmlNodeSet_Convert(PyObject * py_nodeset,xmlNodeSetPtr * result)3491 PyxmlNodeSet_Convert(PyObject *py_nodeset, xmlNodeSetPtr *result)
3492 {
3493 xmlNodeSetPtr nodeSet;
3494 int is_tuple = 0;
3495
3496 if (PyTuple_Check(py_nodeset))
3497 is_tuple = 1;
3498 else if (PyList_Check(py_nodeset))
3499 is_tuple = 0;
3500 else if (py_nodeset == Py_None) {
3501 *result = NULL;
3502 return 0;
3503 }
3504 else {
3505 PyErr_SetString(PyExc_TypeError,
3506 "must be a tuple or list of nodes.");
3507 return -1;
3508 }
3509
3510 nodeSet = (xmlNodeSetPtr) xmlMalloc(sizeof(xmlNodeSet));
3511 if (nodeSet == NULL) {
3512 PyErr_SetString(PyExc_MemoryError, "");
3513 return -1;
3514 }
3515
3516 nodeSet->nodeNr = 0;
3517 nodeSet->nodeMax = (is_tuple
3518 ? PyTuple_GET_SIZE(py_nodeset)
3519 : PyList_GET_SIZE(py_nodeset));
3520 nodeSet->nodeTab
3521 = (xmlNodePtr *) xmlMalloc (nodeSet->nodeMax
3522 * sizeof(xmlNodePtr));
3523 if (nodeSet->nodeTab == NULL) {
3524 xmlFree(nodeSet);
3525 PyErr_SetString(PyExc_MemoryError, "");
3526 return -1;
3527 }
3528 memset(nodeSet->nodeTab, 0 ,
3529 nodeSet->nodeMax * sizeof(xmlNodePtr));
3530
3531 {
3532 int idx;
3533 for (idx=0; idx < nodeSet->nodeMax; ++idx) {
3534 xmlNodePtr pynode =
3535 PyxmlNode_Get (is_tuple
3536 ? PyTuple_GET_ITEM(py_nodeset, idx)
3537 : PyList_GET_ITEM(py_nodeset, idx));
3538 if (pynode)
3539 nodeSet->nodeTab[nodeSet->nodeNr++] = pynode;
3540 }
3541 }
3542 *result = nodeSet;
3543 return 0;
3544 }
3545
3546 static int
PystringSet_Convert(PyObject * py_strings,xmlChar *** result)3547 PystringSet_Convert(PyObject *py_strings, xmlChar *** result)
3548 {
3549 /* NOTE: the array should be freed, but the strings are shared
3550 with the python strings and so must not be freed. */
3551
3552 xmlChar ** strings;
3553 int is_tuple = 0;
3554 int count;
3555 int init_index = 0;
3556
3557 if (PyTuple_Check(py_strings))
3558 is_tuple = 1;
3559 else if (PyList_Check(py_strings))
3560 is_tuple = 0;
3561 else if (py_strings == Py_None) {
3562 *result = NULL;
3563 return 0;
3564 }
3565 else {
3566 PyErr_SetString(PyExc_TypeError,
3567 "must be a tuple or list of strings.");
3568 return -1;
3569 }
3570
3571 count = (is_tuple
3572 ? PyTuple_GET_SIZE(py_strings)
3573 : PyList_GET_SIZE(py_strings));
3574
3575 strings = (xmlChar **) xmlMalloc(sizeof(xmlChar *) * count);
3576
3577 if (strings == NULL) {
3578 PyErr_SetString(PyExc_MemoryError, "");
3579 return -1;
3580 }
3581
3582 memset(strings, 0 , sizeof(xmlChar *) * count);
3583
3584 {
3585 int idx;
3586 for (idx=0; idx < count; ++idx) {
3587 char* s = PyBytes_AsString
3588 (is_tuple
3589 ? PyTuple_GET_ITEM(py_strings, idx)
3590 : PyList_GET_ITEM(py_strings, idx));
3591 if (s)
3592 strings[init_index++] = (xmlChar *)s;
3593 else {
3594 xmlFree(strings);
3595 PyErr_SetString(PyExc_TypeError,
3596 "must be a tuple or list of strings.");
3597 return -1;
3598 }
3599 }
3600 }
3601
3602 *result = strings;
3603 return 0;
3604 }
3605
3606 static PyObject *
libxml_C14NDocDumpMemory(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3607 libxml_C14NDocDumpMemory(ATTRIBUTE_UNUSED PyObject * self,
3608 PyObject * args)
3609 {
3610 PyObject *py_retval = NULL;
3611
3612 PyObject *pyobj_doc;
3613 PyObject *pyobj_nodes;
3614 int exclusive;
3615 PyObject *pyobj_prefixes;
3616 int with_comments;
3617
3618 xmlDocPtr doc;
3619 xmlNodeSetPtr nodes;
3620 xmlChar **prefixes = NULL;
3621 xmlChar *doc_txt;
3622
3623 int result;
3624
3625 if (!PyArg_ParseTuple(args, (char *) "OOiOi:C14NDocDumpMemory",
3626 &pyobj_doc,
3627 &pyobj_nodes,
3628 &exclusive,
3629 &pyobj_prefixes,
3630 &with_comments))
3631 return (NULL);
3632
3633 doc = (xmlDocPtr) PyxmlNode_Get(pyobj_doc);
3634 if (!doc) {
3635 PyErr_SetString(PyExc_TypeError, "bad document.");
3636 return NULL;
3637 }
3638
3639 result = PyxmlNodeSet_Convert(pyobj_nodes, &nodes);
3640 if (result < 0) return NULL;
3641
3642 if (exclusive) {
3643 result = PystringSet_Convert(pyobj_prefixes, &prefixes);
3644 if (result < 0) {
3645 if (nodes) {
3646 xmlFree(nodes->nodeTab);
3647 xmlFree(nodes);
3648 }
3649 return NULL;
3650 }
3651 }
3652
3653 result = xmlC14NDocDumpMemory(doc,
3654 nodes,
3655 exclusive,
3656 prefixes,
3657 with_comments,
3658 &doc_txt);
3659
3660 if (nodes) {
3661 xmlFree(nodes->nodeTab);
3662 xmlFree(nodes);
3663 }
3664 if (prefixes) {
3665 xmlChar ** idx = prefixes;
3666 while (*idx) xmlFree(*(idx++));
3667 xmlFree(prefixes);
3668 }
3669
3670 if (result < 0) {
3671 PyErr_SetString(PyExc_Exception,
3672 "libxml2 xmlC14NDocDumpMemory failure.");
3673 return NULL;
3674 }
3675 else {
3676 py_retval = PY_IMPORT_STRING_SIZE((const char *) doc_txt,
3677 result);
3678 xmlFree(doc_txt);
3679 return py_retval;
3680 }
3681 }
3682
3683 static PyObject *
libxml_C14NDocSaveTo(ATTRIBUTE_UNUSED PyObject * self,PyObject * args)3684 libxml_C14NDocSaveTo(ATTRIBUTE_UNUSED PyObject * self,
3685 PyObject * args)
3686 {
3687 PyObject *pyobj_doc;
3688 PyObject *py_file;
3689 PyObject *pyobj_nodes;
3690 int exclusive;
3691 PyObject *pyobj_prefixes;
3692 int with_comments;
3693
3694 xmlDocPtr doc;
3695 xmlNodeSetPtr nodes;
3696 xmlChar **prefixes = NULL;
3697 FILE * output;
3698 xmlOutputBufferPtr buf;
3699
3700 int result;
3701 int len;
3702
3703 if (!PyArg_ParseTuple(args, (char *) "OOiOiO:C14NDocSaveTo",
3704 &pyobj_doc,
3705 &pyobj_nodes,
3706 &exclusive,
3707 &pyobj_prefixes,
3708 &with_comments,
3709 &py_file))
3710 return (NULL);
3711
3712 doc = (xmlDocPtr) PyxmlNode_Get(pyobj_doc);
3713 if (!doc) {
3714 PyErr_SetString(PyExc_TypeError, "bad document.");
3715 return NULL;
3716 }
3717
3718 output = PyFile_Get(py_file);
3719 if (output == NULL) {
3720 PyErr_SetString(PyExc_TypeError, "bad file.");
3721 return NULL;
3722 }
3723 buf = xmlOutputBufferCreateFile(output, NULL);
3724
3725 result = PyxmlNodeSet_Convert(pyobj_nodes, &nodes);
3726 if (result < 0) return NULL;
3727
3728 if (exclusive) {
3729 result = PystringSet_Convert(pyobj_prefixes, &prefixes);
3730 if (result < 0) {
3731 if (nodes) {
3732 xmlFree(nodes->nodeTab);
3733 xmlFree(nodes);
3734 }
3735 return NULL;
3736 }
3737 }
3738
3739 result = xmlC14NDocSaveTo(doc,
3740 nodes,
3741 exclusive,
3742 prefixes,
3743 with_comments,
3744 buf);
3745
3746 if (nodes) {
3747 xmlFree(nodes->nodeTab);
3748 xmlFree(nodes);
3749 }
3750 if (prefixes) {
3751 xmlChar ** idx = prefixes;
3752 while (*idx) xmlFree(*(idx++));
3753 xmlFree(prefixes);
3754 }
3755
3756 PyFile_Release(output);
3757 len = xmlOutputBufferClose(buf);
3758
3759 if (result < 0) {
3760 PyErr_SetString(PyExc_Exception,
3761 "libxml2 xmlC14NDocSaveTo failure.");
3762 return NULL;
3763 }
3764 else
3765 return PyLong_FromLong((long) len);
3766 }
3767
3768 #endif
3769 #endif
3770
3771 static PyObject *
libxml_getObjDesc(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)3772 libxml_getObjDesc(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
3773
3774 PyObject *obj;
3775 char *str;
3776
3777 if (!PyArg_ParseTuple(args, (char *)"O:getObjDesc", &obj))
3778 return NULL;
3779 str = PyCapsule_GetPointer(obj, PyCapsule_GetName(obj));
3780 return Py_BuildValue((char *)"s", str);
3781 }
3782
3783 static PyObject *
libxml_compareNodesEqual(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)3784 libxml_compareNodesEqual(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
3785
3786 PyObject *py_node1, *py_node2;
3787 xmlNodePtr node1, node2;
3788
3789 if (!PyArg_ParseTuple(args, (char *)"OO:compareNodesEqual",
3790 &py_node1, &py_node2))
3791 return NULL;
3792 /* To compare two node objects, we compare their pointer addresses */
3793 node1 = PyxmlNode_Get(py_node1);
3794 node2 = PyxmlNode_Get(py_node2);
3795 if ( node1 == node2 )
3796 return Py_BuildValue((char *)"i", 1);
3797 else
3798 return Py_BuildValue((char *)"i", 0);
3799
3800 }
3801
3802 static PyObject *
libxml_nodeHash(PyObject * self ATTRIBUTE_UNUSED,PyObject * args)3803 libxml_nodeHash(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
3804
3805 PyObject *py_node1;
3806 xmlNodePtr node1;
3807
3808 if (!PyArg_ParseTuple(args, (char *)"O:nodeHash", &py_node1))
3809 return NULL;
3810 /* For simplicity, we use the node pointer address as a hash value */
3811 node1 = PyxmlNode_Get(py_node1);
3812
3813 return PyLong_FromVoidPtr(node1);
3814
3815 }
3816
3817 /************************************************************************
3818 * *
3819 * The registration stuff *
3820 * *
3821 ************************************************************************/
3822 static PyMethodDef libxmlMethods[] = {
3823 #include "libxml2-export.c"
3824 {(char *) "name", libxml_name, METH_VARARGS, NULL},
3825 {(char *) "children", libxml_children, METH_VARARGS, NULL},
3826 {(char *) "properties", libxml_properties, METH_VARARGS, NULL},
3827 {(char *) "last", libxml_last, METH_VARARGS, NULL},
3828 {(char *) "prev", libxml_prev, METH_VARARGS, NULL},
3829 {(char *) "next", libxml_next, METH_VARARGS, NULL},
3830 {(char *) "parent", libxml_parent, METH_VARARGS, NULL},
3831 {(char *) "type", libxml_type, METH_VARARGS, NULL},
3832 {(char *) "doc", libxml_doc, METH_VARARGS, NULL},
3833 {(char *) "xmlNewNode", libxml_xmlNewNode, METH_VARARGS, NULL},
3834 {(char *) "xmlNodeRemoveNsDef", libxml_xmlNodeRemoveNsDef, METH_VARARGS, NULL},
3835 {(char *)"xmlSetValidErrors", libxml_xmlSetValidErrors, METH_VARARGS, NULL},
3836 {(char *)"xmlFreeValidCtxt", libxml_xmlFreeValidCtxt, METH_VARARGS, NULL},
3837 #ifdef LIBXML_OUTPUT_ENABLED
3838 {(char *) "serializeNode", libxml_serializeNode, METH_VARARGS, NULL},
3839 {(char *) "saveNodeTo", libxml_saveNodeTo, METH_VARARGS, NULL},
3840 {(char *) "outputBufferCreate", libxml_xmlCreateOutputBuffer, METH_VARARGS, NULL},
3841 {(char *) "outputBufferGetPythonFile", libxml_outputBufferGetPythonFile, METH_VARARGS, NULL},
3842 {(char *) "xmlOutputBufferClose", libxml_xmlOutputBufferClose, METH_VARARGS, NULL},
3843 { (char *)"xmlOutputBufferFlush", libxml_xmlOutputBufferFlush, METH_VARARGS, NULL },
3844 { (char *)"xmlSaveFileTo", libxml_xmlSaveFileTo, METH_VARARGS, NULL },
3845 { (char *)"xmlSaveFormatFileTo", libxml_xmlSaveFormatFileTo, METH_VARARGS, NULL },
3846 #endif /* LIBXML_OUTPUT_ENABLED */
3847 {(char *) "inputBufferCreate", libxml_xmlCreateInputBuffer, METH_VARARGS, NULL},
3848 {(char *) "setEntityLoader", libxml_xmlSetEntityLoader, METH_VARARGS, NULL},
3849 {(char *)"xmlRegisterErrorHandler", libxml_xmlRegisterErrorHandler, METH_VARARGS, NULL },
3850 {(char *)"xmlParserCtxtSetErrorHandler", libxml_xmlParserCtxtSetErrorHandler, METH_VARARGS, NULL },
3851 {(char *)"xmlParserCtxtGetErrorHandler", libxml_xmlParserCtxtGetErrorHandler, METH_VARARGS, NULL },
3852 {(char *)"xmlFreeParserCtxt", libxml_xmlFreeParserCtxt, METH_VARARGS, NULL },
3853 #ifdef LIBXML_READER_ENABLED
3854 {(char *)"xmlTextReaderSetErrorHandler", libxml_xmlTextReaderSetErrorHandler, METH_VARARGS, NULL },
3855 {(char *)"xmlTextReaderGetErrorHandler", libxml_xmlTextReaderGetErrorHandler, METH_VARARGS, NULL },
3856 {(char *)"xmlFreeTextReader", libxml_xmlFreeTextReader, METH_VARARGS, NULL },
3857 #endif
3858 {(char *)"addLocalCatalog", libxml_addLocalCatalog, METH_VARARGS, NULL },
3859 #ifdef LIBXML_SCHEMAS_ENABLED
3860 {(char *)"xmlRelaxNGSetValidErrors", libxml_xmlRelaxNGSetValidErrors, METH_VARARGS, NULL},
3861 {(char *)"xmlRelaxNGFreeValidCtxt", libxml_xmlRelaxNGFreeValidCtxt, METH_VARARGS, NULL},
3862 {(char *)"xmlSchemaSetValidErrors", libxml_xmlSchemaSetValidErrors, METH_VARARGS, NULL},
3863 {(char *)"xmlSchemaFreeValidCtxt", libxml_xmlSchemaFreeValidCtxt, METH_VARARGS, NULL},
3864 #endif
3865 #ifdef LIBXML_C14N_ENABLED
3866 #ifdef LIBXML_OUTPUT_ENABLED
3867 {(char *)"xmlC14NDocDumpMemory", libxml_C14NDocDumpMemory, METH_VARARGS, NULL},
3868 {(char *)"xmlC14NDocSaveTo", libxml_C14NDocSaveTo, METH_VARARGS, NULL},
3869 #endif
3870 #endif
3871 {(char *) "getObjDesc", libxml_getObjDesc, METH_VARARGS, NULL},
3872 {(char *) "compareNodesEqual", libxml_compareNodesEqual, METH_VARARGS, NULL},
3873 {(char *) "nodeHash", libxml_nodeHash, METH_VARARGS, NULL},
3874 {(char *) "xmlRegisterInputCallback", libxml_xmlRegisterInputCallback, METH_VARARGS, NULL},
3875 {(char *) "xmlUnregisterInputCallback", libxml_xmlUnregisterInputCallback, METH_VARARGS, NULL},
3876 {NULL, NULL, 0, NULL}
3877 };
3878
3879 #if PY_MAJOR_VERSION >= 3
3880 #define INITERROR return NULL
3881
3882 static struct PyModuleDef moduledef = {
3883 PyModuleDef_HEAD_INIT,
3884 "libxml2mod",
3885 NULL,
3886 -1,
3887 libxmlMethods,
3888 NULL,
3889 NULL,
3890 NULL,
3891 NULL
3892 };
3893
3894 #else
3895 #define INITERROR return
3896
3897 #ifdef MERGED_MODULES
3898 extern void initlibxsltmod(void);
3899 #endif
3900
3901 #endif
3902
3903 #if PY_MAJOR_VERSION >= 3
PyInit_libxml2mod(void)3904 PyObject *PyInit_libxml2mod(void)
3905 #else
3906 void initlibxml2mod(void)
3907 #endif
3908 {
3909 PyObject *module;
3910
3911 #if PY_MAJOR_VERSION >= 3
3912 module = PyModule_Create(&moduledef);
3913 #else
3914 /* intialize the python extension module */
3915 module = Py_InitModule((char *) "libxml2mod", libxmlMethods);
3916 #endif
3917 if (module == NULL)
3918 INITERROR;
3919
3920 /* initialize libxml2 */
3921 xmlInitParser();
3922 /* TODO this probably need to be revamped for Python3 */
3923 libxml_xmlErrorInitialize();
3924
3925 #if PY_MAJOR_VERSION < 3
3926 #ifdef MERGED_MODULES
3927 initlibxsltmod();
3928 #endif
3929 #endif
3930
3931 #if PY_MAJOR_VERSION >= 3
3932 return module;
3933 #endif
3934 }
3935