1 #include "Python.h" 2 #include <ctype.h> 3 4 #include "frameobject.h" 5 #include "expat.h" 6 7 #include "pyexpat.h" 8 9 #define XML_COMBINED_VERSION (10000*XML_MAJOR_VERSION+100*XML_MINOR_VERSION+XML_MICRO_VERSION) 10 11 #ifndef PyDoc_STRVAR 12 13 /* 14 * fdrake says: 15 * Don't change the PyDoc_STR macro definition to (str), because 16 * '''the parentheses cause compile failures 17 * ("non-constant static initializer" or something like that) 18 * on some platforms (Irix?)''' 19 */ 20 #define PyDoc_STR(str) str 21 #define PyDoc_VAR(name) static char name[] 22 #define PyDoc_STRVAR(name,str) PyDoc_VAR(name) = PyDoc_STR(str) 23 #endif 24 25 #if (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 2) 26 /* In Python 2.0 and 2.1, disabling Unicode was not possible. */ 27 #define Py_USING_UNICODE 28 #else 29 #define FIX_TRACE 30 #endif 31 32 enum HandlerTypes { 33 StartElement, 34 EndElement, 35 ProcessingInstruction, 36 CharacterData, 37 UnparsedEntityDecl, 38 NotationDecl, 39 StartNamespaceDecl, 40 EndNamespaceDecl, 41 Comment, 42 StartCdataSection, 43 EndCdataSection, 44 Default, 45 DefaultHandlerExpand, 46 NotStandalone, 47 ExternalEntityRef, 48 StartDoctypeDecl, 49 EndDoctypeDecl, 50 EntityDecl, 51 XmlDecl, 52 ElementDecl, 53 AttlistDecl, 54 #if XML_COMBINED_VERSION >= 19504 55 SkippedEntity, 56 #endif 57 _DummyDecl 58 }; 59 60 static PyObject *ErrorObject; 61 62 /* ----------------------------------------------------- */ 63 64 /* Declarations for objects of type xmlparser */ 65 66 typedef struct { 67 PyObject_HEAD 68 69 XML_Parser itself; 70 int returns_unicode; /* True if Unicode strings are returned; 71 if false, UTF-8 strings are returned */ 72 int ordered_attributes; /* Return attributes as a list. */ 73 int specified_attributes; /* Report only specified attributes. */ 74 int in_callback; /* Is a callback active? */ 75 int ns_prefixes; /* Namespace-triplets mode? */ 76 XML_Char *buffer; /* Buffer used when accumulating characters */ 77 /* NULL if not enabled */ 78 int buffer_size; /* Size of buffer, in XML_Char units */ 79 int buffer_used; /* Buffer units in use */ 80 PyObject *intern; /* Dictionary to intern strings */ 81 PyObject **handlers; 82 } xmlparseobject; 83 84 #define CHARACTER_DATA_BUFFER_SIZE 8192 85 86 static PyTypeObject Xmlparsetype; 87 88 typedef void (*xmlhandlersetter)(XML_Parser self, void *meth); 89 typedef void* xmlhandler; 90 91 struct HandlerInfo { 92 const char *name; 93 xmlhandlersetter setter; 94 xmlhandler handler; 95 PyCodeObject *tb_code; 96 PyObject *nameobj; 97 }; 98 99 static struct HandlerInfo handler_info[64]; 100 101 /* Set an integer attribute on the error object; return true on success, 102 * false on an exception. 103 */ 104 static int 105 set_error_attr(PyObject *err, char *name, int value) 106 { 107 PyObject *v = PyInt_FromLong(value); 108 109 if (v == NULL || PyObject_SetAttrString(err, name, v) == -1) { 110 Py_XDECREF(v); 111 return 0; 112 } 113 Py_DECREF(v); 114 return 1; 115 } 116 117 /* Build and set an Expat exception, including positioning 118 * information. Always returns NULL. 119 */ 120 static PyObject * 121 set_error(xmlparseobject *self, enum XML_Error code) 122 { 123 PyObject *err; 124 char buffer[256]; 125 XML_Parser parser = self->itself; 126 int lineno = XML_GetErrorLineNumber(parser); 127 int column = XML_GetErrorColumnNumber(parser); 128 129 /* There is no risk of overflowing this buffer, since 130 even for 64-bit integers, there is sufficient space. */ 131 sprintf(buffer, "%.200s: line %i, column %i", 132 XML_ErrorString(code), lineno, column); 133 err = PyObject_CallFunction(ErrorObject, "s", buffer); 134 if ( err != NULL 135 && set_error_attr(err, "code", code) 136 && set_error_attr(err, "offset", column) 137 && set_error_attr(err, "lineno", lineno)) { 138 PyErr_SetObject(ErrorObject, err); 139 } 140 Py_XDECREF(err); 141 return NULL; 142 } 143 144 static int 145 have_handler(xmlparseobject *self, int type) 146 { 147 PyObject *handler = self->handlers[type]; 148 return handler != NULL; 149 } 150 151 static PyObject * 152 get_handler_name(struct HandlerInfo *hinfo) 153 { 154 PyObject *name = hinfo->nameobj; 155 if (name == NULL) { 156 name = PyString_FromString(hinfo->name); 157 hinfo->nameobj = name; 158 } 159 Py_XINCREF(name); 160 return name; 161 } 162 163 164 #ifdef Py_USING_UNICODE 165 /* Convert a string of XML_Chars into a Unicode string. 166 Returns None if str is a null pointer. */ 167 168 static PyObject * 169 conv_string_to_unicode(const XML_Char *str) 170 { 171 /* XXX currently this code assumes that XML_Char is 8-bit, 172 and hence in UTF-8. */ 173 /* UTF-8 from Expat, Unicode desired */ 174 if (str == NULL) { 175 Py_INCREF(Py_None); 176 return Py_None; 177 } 178 return PyUnicode_DecodeUTF8(str, strlen(str), "strict"); 179 } 180 181 static PyObject * 182 conv_string_len_to_unicode(const XML_Char *str, int len) 183 { 184 /* XXX currently this code assumes that XML_Char is 8-bit, 185 and hence in UTF-8. */ 186 /* UTF-8 from Expat, Unicode desired */ 187 if (str == NULL) { 188 Py_INCREF(Py_None); 189 return Py_None; 190 } 191 return PyUnicode_DecodeUTF8((const char *)str, len, "strict"); 192 } 193 #endif 194 195 /* Convert a string of XML_Chars into an 8-bit Python string. 196 Returns None if str is a null pointer. */ 197 198 static PyObject * 199 conv_string_to_utf8(const XML_Char *str) 200 { 201 /* XXX currently this code assumes that XML_Char is 8-bit, 202 and hence in UTF-8. */ 203 /* UTF-8 from Expat, UTF-8 desired */ 204 if (str == NULL) { 205 Py_INCREF(Py_None); 206 return Py_None; 207 } 208 return PyString_FromString(str); 209 } 210 211 static PyObject * 212 conv_string_len_to_utf8(const XML_Char *str, int len) 213 { 214 /* XXX currently this code assumes that XML_Char is 8-bit, 215 and hence in UTF-8. */ 216 /* UTF-8 from Expat, UTF-8 desired */ 217 if (str == NULL) { 218 Py_INCREF(Py_None); 219 return Py_None; 220 } 221 return PyString_FromStringAndSize((const char *)str, len); 222 } 223 224 /* Callback routines */ 225 226 static void clear_handlers(xmlparseobject *self, int initial); 227 228 /* This handler is used when an error has been detected, in the hope 229 that actual parsing can be terminated early. This will only help 230 if an external entity reference is encountered. */ 231 static int 232 error_external_entity_ref_handler(XML_Parser parser, 233 const XML_Char *context, 234 const XML_Char *base, 235 const XML_Char *systemId, 236 const XML_Char *publicId) 237 { 238 return 0; 239 } 240 241 /* Dummy character data handler used when an error (exception) has 242 been detected, and the actual parsing can be terminated early. 243 This is needed since character data handler can't be safely removed 244 from within the character data handler, but can be replaced. It is 245 used only from the character data handler trampoline, and must be 246 used right after `flag_error()` is called. */ 247 static void 248 noop_character_data_handler(void *userData, const XML_Char *data, int len) 249 { 250 /* Do nothing. */ 251 } 252 253 static void 254 flag_error(xmlparseobject *self) 255 { 256 clear_handlers(self, 0); 257 XML_SetExternalEntityRefHandler(self->itself, 258 error_external_entity_ref_handler); 259 } 260 261 static PyCodeObject* 262 getcode(enum HandlerTypes slot, char* func_name, int lineno) 263 { 264 if (handler_info[slot].tb_code == NULL) { 265 handler_info[slot].tb_code = 266 PyCode_NewEmpty(__FILE__, func_name, lineno); 267 } 268 return handler_info[slot].tb_code; 269 } 270 271 #ifdef FIX_TRACE 272 static int 273 trace_frame(PyThreadState *tstate, PyFrameObject *f, int code, PyObject *val) 274 { 275 int result = 0; 276 if (!tstate->use_tracing || tstate->tracing) 277 return 0; 278 if (tstate->c_profilefunc != NULL) { 279 tstate->tracing++; 280 result = tstate->c_profilefunc(tstate->c_profileobj, 281 f, code , val); 282 tstate->use_tracing = ((tstate->c_tracefunc != NULL) 283 || (tstate->c_profilefunc != NULL)); 284 tstate->tracing--; 285 if (result) 286 return result; 287 } 288 if (tstate->c_tracefunc != NULL) { 289 tstate->tracing++; 290 result = tstate->c_tracefunc(tstate->c_traceobj, 291 f, code , val); 292 tstate->use_tracing = ((tstate->c_tracefunc != NULL) 293 || (tstate->c_profilefunc != NULL)); 294 tstate->tracing--; 295 } 296 return result; 297 } 298 299 static int 300 trace_frame_exc(PyThreadState *tstate, PyFrameObject *f) 301 { 302 PyObject *type, *value, *traceback, *arg; 303 int err; 304 305 if (tstate->c_tracefunc == NULL) 306 return 0; 307 308 PyErr_Fetch(&type, &value, &traceback); 309 if (value == NULL) { 310 value = Py_None; 311 Py_INCREF(value); 312 } 313 #if PY_VERSION_HEX < 0x02040000 314 arg = Py_BuildValue("(OOO)", type, value, traceback); 315 #else 316 arg = PyTuple_Pack(3, type, value, traceback); 317 #endif 318 if (arg == NULL) { 319 PyErr_Restore(type, value, traceback); 320 return 0; 321 } 322 err = trace_frame(tstate, f, PyTrace_EXCEPTION, arg); 323 Py_DECREF(arg); 324 if (err == 0) 325 PyErr_Restore(type, value, traceback); 326 else { 327 Py_XDECREF(type); 328 Py_XDECREF(value); 329 Py_XDECREF(traceback); 330 } 331 return err; 332 } 333 #endif 334 335 static PyObject* 336 call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args, 337 xmlparseobject *self) 338 { 339 PyThreadState *tstate = PyThreadState_GET(); 340 PyFrameObject *f; 341 PyObject *res; 342 343 if (c == NULL) 344 return NULL; 345 346 f = PyFrame_New(tstate, c, PyEval_GetGlobals(), NULL); 347 if (f == NULL) 348 return NULL; 349 tstate->frame = f; 350 #ifdef FIX_TRACE 351 if (trace_frame(tstate, f, PyTrace_CALL, Py_None) < 0) { 352 return NULL; 353 } 354 #endif 355 res = PyEval_CallObject(func, args); 356 if (res == NULL) { 357 if (tstate->curexc_traceback == NULL) 358 PyTraceBack_Here(f); 359 XML_StopParser(self->itself, XML_FALSE); 360 #ifdef FIX_TRACE 361 if (trace_frame_exc(tstate, f) < 0) { 362 return NULL; 363 } 364 } 365 else { 366 if (trace_frame(tstate, f, PyTrace_RETURN, res) < 0) { 367 Py_XDECREF(res); 368 res = NULL; 369 } 370 } 371 #else 372 } 373 #endif 374 tstate->frame = f->f_back; 375 Py_DECREF(f); 376 return res; 377 } 378 379 #ifndef Py_USING_UNICODE 380 #define STRING_CONV_FUNC conv_string_to_utf8 381 #else 382 /* Python 2.0 and later versions, when built with Unicode support */ 383 #define STRING_CONV_FUNC (self->returns_unicode \ 384 ? conv_string_to_unicode : conv_string_to_utf8) 385 #endif 386 387 static PyObject* 388 string_intern(xmlparseobject *self, const char* str) 389 { 390 PyObject *result = STRING_CONV_FUNC(str); 391 PyObject *value; 392 /* result can be NULL if the unicode conversion failed. */ 393 if (!result) 394 return result; 395 if (!self->intern) 396 return result; 397 value = PyDict_GetItem(self->intern, result); 398 if (!value) { 399 if (PyDict_SetItem(self->intern, result, result) == 0) 400 return result; 401 else 402 return NULL; 403 } 404 Py_INCREF(value); 405 Py_DECREF(result); 406 return value; 407 } 408 409 /* Return 0 on success, -1 on exception. 410 * flag_error() will be called before return if needed. 411 */ 412 static int 413 call_character_handler(xmlparseobject *self, const XML_Char *buffer, int len) 414 { 415 PyObject *args; 416 PyObject *temp; 417 418 if (!have_handler(self, CharacterData)) 419 return -1; 420 421 args = PyTuple_New(1); 422 if (args == NULL) 423 return -1; 424 #ifdef Py_USING_UNICODE 425 temp = (self->returns_unicode 426 ? conv_string_len_to_unicode(buffer, len) 427 : conv_string_len_to_utf8(buffer, len)); 428 #else 429 temp = conv_string_len_to_utf8(buffer, len); 430 #endif 431 if (temp == NULL) { 432 Py_DECREF(args); 433 flag_error(self); 434 XML_SetCharacterDataHandler(self->itself, 435 noop_character_data_handler); 436 return -1; 437 } 438 PyTuple_SET_ITEM(args, 0, temp); 439 /* temp is now a borrowed reference; consider it unused. */ 440 self->in_callback = 1; 441 temp = call_with_frame(getcode(CharacterData, "CharacterData", __LINE__), 442 self->handlers[CharacterData], args, self); 443 /* temp is an owned reference again, or NULL */ 444 self->in_callback = 0; 445 Py_DECREF(args); 446 if (temp == NULL) { 447 flag_error(self); 448 XML_SetCharacterDataHandler(self->itself, 449 noop_character_data_handler); 450 return -1; 451 } 452 Py_DECREF(temp); 453 return 0; 454 } 455 456 static int 457 flush_character_buffer(xmlparseobject *self) 458 { 459 int rc; 460 if (self->buffer == NULL || self->buffer_used == 0) 461 return 0; 462 rc = call_character_handler(self, self->buffer, self->buffer_used); 463 self->buffer_used = 0; 464 return rc; 465 } 466 467 static void 468 my_CharacterDataHandler(void *userData, const XML_Char *data, int len) 469 { 470 xmlparseobject *self = (xmlparseobject *) userData; 471 if (self->buffer == NULL) 472 call_character_handler(self, data, len); 473 else { 474 if ((self->buffer_used + len) > self->buffer_size) { 475 if (flush_character_buffer(self) < 0) 476 return; 477 /* handler might have changed; drop the rest on the floor 478 * if there isn't a handler anymore 479 */ 480 if (!have_handler(self, CharacterData)) 481 return; 482 } 483 if (len > self->buffer_size) { 484 call_character_handler(self, data, len); 485 self->buffer_used = 0; 486 } 487 else { 488 memcpy(self->buffer + self->buffer_used, 489 data, len * sizeof(XML_Char)); 490 self->buffer_used += len; 491 } 492 } 493 } 494 495 static void 496 my_StartElementHandler(void *userData, 497 const XML_Char *name, const XML_Char *atts[]) 498 { 499 xmlparseobject *self = (xmlparseobject *)userData; 500 501 if (have_handler(self, StartElement)) { 502 PyObject *container, *rv, *args; 503 int i, max; 504 505 if (flush_character_buffer(self) < 0) 506 return; 507 /* Set max to the number of slots filled in atts[]; max/2 is 508 * the number of attributes we need to process. 509 */ 510 if (self->specified_attributes) { 511 max = XML_GetSpecifiedAttributeCount(self->itself); 512 } 513 else { 514 max = 0; 515 while (atts[max] != NULL) 516 max += 2; 517 } 518 /* Build the container. */ 519 if (self->ordered_attributes) 520 container = PyList_New(max); 521 else 522 container = PyDict_New(); 523 if (container == NULL) { 524 flag_error(self); 525 return; 526 } 527 for (i = 0; i < max; i += 2) { 528 PyObject *n = string_intern(self, (XML_Char *) atts[i]); 529 PyObject *v; 530 if (n == NULL) { 531 flag_error(self); 532 Py_DECREF(container); 533 return; 534 } 535 v = STRING_CONV_FUNC((XML_Char *) atts[i+1]); 536 if (v == NULL) { 537 flag_error(self); 538 Py_DECREF(container); 539 Py_DECREF(n); 540 return; 541 } 542 if (self->ordered_attributes) { 543 PyList_SET_ITEM(container, i, n); 544 PyList_SET_ITEM(container, i+1, v); 545 } 546 else if (PyDict_SetItem(container, n, v)) { 547 flag_error(self); 548 Py_DECREF(n); 549 Py_DECREF(v); 550 return; 551 } 552 else { 553 Py_DECREF(n); 554 Py_DECREF(v); 555 } 556 } 557 args = string_intern(self, name); 558 if (args != NULL) 559 args = Py_BuildValue("(NN)", args, container); 560 if (args == NULL) { 561 Py_DECREF(container); 562 return; 563 } 564 /* Container is now a borrowed reference; ignore it. */ 565 self->in_callback = 1; 566 rv = call_with_frame(getcode(StartElement, "StartElement", __LINE__), 567 self->handlers[StartElement], args, self); 568 self->in_callback = 0; 569 Py_DECREF(args); 570 if (rv == NULL) { 571 flag_error(self); 572 return; 573 } 574 Py_DECREF(rv); 575 } 576 } 577 578 #define RC_HANDLER(RC, NAME, PARAMS, INIT, PARAM_FORMAT, CONVERSION, \ 579 RETURN, GETUSERDATA) \ 580 static RC \ 581 my_##NAME##Handler PARAMS {\ 582 xmlparseobject *self = GETUSERDATA ; \ 583 PyObject *args = NULL; \ 584 PyObject *rv = NULL; \ 585 INIT \ 586 \ 587 if (have_handler(self, NAME)) { \ 588 if (flush_character_buffer(self) < 0) \ 589 return RETURN; \ 590 args = Py_BuildValue PARAM_FORMAT ;\ 591 if (!args) { flag_error(self); return RETURN;} \ 592 self->in_callback = 1; \ 593 rv = call_with_frame(getcode(NAME,#NAME,__LINE__), \ 594 self->handlers[NAME], args, self); \ 595 self->in_callback = 0; \ 596 Py_DECREF(args); \ 597 if (rv == NULL) { \ 598 flag_error(self); \ 599 return RETURN; \ 600 } \ 601 CONVERSION \ 602 Py_DECREF(rv); \ 603 } \ 604 return RETURN; \ 605 } 606 607 #define VOID_HANDLER(NAME, PARAMS, PARAM_FORMAT) \ 608 RC_HANDLER(void, NAME, PARAMS, ;, PARAM_FORMAT, ;, ;,\ 609 (xmlparseobject *)userData) 610 611 #define INT_HANDLER(NAME, PARAMS, PARAM_FORMAT)\ 612 RC_HANDLER(int, NAME, PARAMS, int rc=0;, PARAM_FORMAT, \ 613 rc = PyInt_AsLong(rv);, rc, \ 614 (xmlparseobject *)userData) 615 616 VOID_HANDLER(EndElement, 617 (void *userData, const XML_Char *name), 618 ("(N)", string_intern(self, name))) 619 620 VOID_HANDLER(ProcessingInstruction, 621 (void *userData, 622 const XML_Char *target, 623 const XML_Char *data), 624 ("(NO&)", string_intern(self, target), STRING_CONV_FUNC,data)) 625 626 VOID_HANDLER(UnparsedEntityDecl, 627 (void *userData, 628 const XML_Char *entityName, 629 const XML_Char *base, 630 const XML_Char *systemId, 631 const XML_Char *publicId, 632 const XML_Char *notationName), 633 ("(NNNNN)", 634 string_intern(self, entityName), string_intern(self, base), 635 string_intern(self, systemId), string_intern(self, publicId), 636 string_intern(self, notationName))) 637 638 #ifndef Py_USING_UNICODE 639 VOID_HANDLER(EntityDecl, 640 (void *userData, 641 const XML_Char *entityName, 642 int is_parameter_entity, 643 const XML_Char *value, 644 int value_length, 645 const XML_Char *base, 646 const XML_Char *systemId, 647 const XML_Char *publicId, 648 const XML_Char *notationName), 649 ("NiNNNNN", 650 string_intern(self, entityName), is_parameter_entity, 651 conv_string_len_to_utf8(value, value_length), 652 string_intern(self, base), string_intern(self, systemId), 653 string_intern(self, publicId), 654 string_intern(self, notationName))) 655 #else 656 VOID_HANDLER(EntityDecl, 657 (void *userData, 658 const XML_Char *entityName, 659 int is_parameter_entity, 660 const XML_Char *value, 661 int value_length, 662 const XML_Char *base, 663 const XML_Char *systemId, 664 const XML_Char *publicId, 665 const XML_Char *notationName), 666 ("NiNNNNN", 667 string_intern(self, entityName), is_parameter_entity, 668 (self->returns_unicode 669 ? conv_string_len_to_unicode(value, value_length) 670 : conv_string_len_to_utf8(value, value_length)), 671 string_intern(self, base), string_intern(self, systemId), 672 string_intern(self, publicId), 673 string_intern(self, notationName))) 674 #endif 675 676 VOID_HANDLER(XmlDecl, 677 (void *userData, 678 const XML_Char *version, 679 const XML_Char *encoding, 680 int standalone), 681 ("(O&O&i)", 682 STRING_CONV_FUNC,version, STRING_CONV_FUNC,encoding, 683 standalone)) 684 685 static PyObject * 686 conv_content_model(XML_Content * const model, 687 PyObject *(*conv_string)(const XML_Char *)) 688 { 689 PyObject *result = NULL; 690 PyObject *children = PyTuple_New(model->numchildren); 691 int i; 692 693 if (children != NULL) { 694 assert(model->numchildren < INT_MAX); 695 for (i = 0; i < (int)model->numchildren; ++i) { 696 PyObject *child = conv_content_model(&model->children[i], 697 conv_string); 698 if (child == NULL) { 699 Py_XDECREF(children); 700 return NULL; 701 } 702 PyTuple_SET_ITEM(children, i, child); 703 } 704 result = Py_BuildValue("(iiO&N)", 705 model->type, model->quant, 706 conv_string,model->name, children); 707 } 708 return result; 709 } 710 711 static void 712 my_ElementDeclHandler(void *userData, 713 const XML_Char *name, 714 XML_Content *model) 715 { 716 xmlparseobject *self = (xmlparseobject *)userData; 717 PyObject *args = NULL; 718 719 if (have_handler(self, ElementDecl)) { 720 PyObject *rv = NULL; 721 PyObject *modelobj, *nameobj; 722 723 if (flush_character_buffer(self) < 0) 724 goto finally; 725 #ifdef Py_USING_UNICODE 726 modelobj = conv_content_model(model, 727 (self->returns_unicode 728 ? conv_string_to_unicode 729 : conv_string_to_utf8)); 730 #else 731 modelobj = conv_content_model(model, conv_string_to_utf8); 732 #endif 733 if (modelobj == NULL) { 734 flag_error(self); 735 goto finally; 736 } 737 nameobj = string_intern(self, name); 738 if (nameobj == NULL) { 739 Py_DECREF(modelobj); 740 flag_error(self); 741 goto finally; 742 } 743 args = Py_BuildValue("NN", nameobj, modelobj); 744 if (args == NULL) { 745 Py_DECREF(modelobj); 746 flag_error(self); 747 goto finally; 748 } 749 self->in_callback = 1; 750 rv = call_with_frame(getcode(ElementDecl, "ElementDecl", __LINE__), 751 self->handlers[ElementDecl], args, self); 752 self->in_callback = 0; 753 if (rv == NULL) { 754 flag_error(self); 755 goto finally; 756 } 757 Py_DECREF(rv); 758 } 759 finally: 760 Py_XDECREF(args); 761 XML_FreeContentModel(self->itself, model); 762 return; 763 } 764 765 VOID_HANDLER(AttlistDecl, 766 (void *userData, 767 const XML_Char *elname, 768 const XML_Char *attname, 769 const XML_Char *att_type, 770 const XML_Char *dflt, 771 int isrequired), 772 ("(NNO&O&i)", 773 string_intern(self, elname), string_intern(self, attname), 774 STRING_CONV_FUNC,att_type, STRING_CONV_FUNC,dflt, 775 isrequired)) 776 777 #if XML_COMBINED_VERSION >= 19504 778 VOID_HANDLER(SkippedEntity, 779 (void *userData, 780 const XML_Char *entityName, 781 int is_parameter_entity), 782 ("Ni", 783 string_intern(self, entityName), is_parameter_entity)) 784 #endif 785 786 VOID_HANDLER(NotationDecl, 787 (void *userData, 788 const XML_Char *notationName, 789 const XML_Char *base, 790 const XML_Char *systemId, 791 const XML_Char *publicId), 792 ("(NNNN)", 793 string_intern(self, notationName), string_intern(self, base), 794 string_intern(self, systemId), string_intern(self, publicId))) 795 796 VOID_HANDLER(StartNamespaceDecl, 797 (void *userData, 798 const XML_Char *prefix, 799 const XML_Char *uri), 800 ("(NN)", 801 string_intern(self, prefix), string_intern(self, uri))) 802 803 VOID_HANDLER(EndNamespaceDecl, 804 (void *userData, 805 const XML_Char *prefix), 806 ("(N)", string_intern(self, prefix))) 807 808 VOID_HANDLER(Comment, 809 (void *userData, const XML_Char *data), 810 ("(O&)", STRING_CONV_FUNC,data)) 811 812 VOID_HANDLER(StartCdataSection, 813 (void *userData), 814 ("()")) 815 816 VOID_HANDLER(EndCdataSection, 817 (void *userData), 818 ("()")) 819 820 #ifndef Py_USING_UNICODE 821 VOID_HANDLER(Default, 822 (void *userData, const XML_Char *s, int len), 823 ("(N)", conv_string_len_to_utf8(s,len))) 824 825 VOID_HANDLER(DefaultHandlerExpand, 826 (void *userData, const XML_Char *s, int len), 827 ("(N)", conv_string_len_to_utf8(s,len))) 828 #else 829 VOID_HANDLER(Default, 830 (void *userData, const XML_Char *s, int len), 831 ("(N)", (self->returns_unicode 832 ? conv_string_len_to_unicode(s,len) 833 : conv_string_len_to_utf8(s,len)))) 834 835 VOID_HANDLER(DefaultHandlerExpand, 836 (void *userData, const XML_Char *s, int len), 837 ("(N)", (self->returns_unicode 838 ? conv_string_len_to_unicode(s,len) 839 : conv_string_len_to_utf8(s,len)))) 840 #endif 841 842 INT_HANDLER(NotStandalone, 843 (void *userData), 844 ("()")) 845 846 RC_HANDLER(int, ExternalEntityRef, 847 (XML_Parser parser, 848 const XML_Char *context, 849 const XML_Char *base, 850 const XML_Char *systemId, 851 const XML_Char *publicId), 852 int rc=0;, 853 ("(O&NNN)", 854 STRING_CONV_FUNC,context, string_intern(self, base), 855 string_intern(self, systemId), string_intern(self, publicId)), 856 rc = PyInt_AsLong(rv);, rc, 857 XML_GetUserData(parser)) 858 859 /* XXX UnknownEncodingHandler */ 860 861 VOID_HANDLER(StartDoctypeDecl, 862 (void *userData, const XML_Char *doctypeName, 863 const XML_Char *sysid, const XML_Char *pubid, 864 int has_internal_subset), 865 ("(NNNi)", string_intern(self, doctypeName), 866 string_intern(self, sysid), string_intern(self, pubid), 867 has_internal_subset)) 868 869 VOID_HANDLER(EndDoctypeDecl, (void *userData), ("()")) 870 871 /* ---------------------------------------------------------------- */ 872 873 static PyObject * 874 get_parse_result(xmlparseobject *self, int rv) 875 { 876 if (PyErr_Occurred()) { 877 return NULL; 878 } 879 if (rv == 0) { 880 return set_error(self, XML_GetErrorCode(self->itself)); 881 } 882 if (flush_character_buffer(self) < 0) { 883 return NULL; 884 } 885 return PyInt_FromLong(rv); 886 } 887 888 PyDoc_STRVAR(xmlparse_Parse__doc__, 889 "Parse(data[, isfinal])\n\ 890 Parse XML data. `isfinal' should be true at end of input."); 891 892 static PyObject * 893 xmlparse_Parse(xmlparseobject *self, PyObject *args) 894 { 895 char *s; 896 int slen; 897 int isFinal = 0; 898 899 if (!PyArg_ParseTuple(args, "s#|i:Parse", &s, &slen, &isFinal)) 900 return NULL; 901 902 return get_parse_result(self, XML_Parse(self->itself, s, slen, isFinal)); 903 } 904 905 /* File reading copied from cPickle */ 906 907 #define BUF_SIZE 2048 908 909 static int 910 readinst(char *buf, int buf_size, PyObject *meth) 911 { 912 PyObject *arg = NULL; 913 PyObject *bytes = NULL; 914 PyObject *str = NULL; 915 int len = -1; 916 917 if ((bytes = PyInt_FromLong(buf_size)) == NULL) 918 goto finally; 919 920 if ((arg = PyTuple_New(1)) == NULL) { 921 Py_DECREF(bytes); 922 goto finally; 923 } 924 925 PyTuple_SET_ITEM(arg, 0, bytes); 926 927 #if PY_VERSION_HEX < 0x02020000 928 str = PyObject_CallObject(meth, arg); 929 #else 930 str = PyObject_Call(meth, arg, NULL); 931 #endif 932 if (str == NULL) 933 goto finally; 934 935 /* XXX what to do if it returns a Unicode string? */ 936 if (!PyString_Check(str)) { 937 PyErr_Format(PyExc_TypeError, 938 "read() did not return a string object (type=%.400s)", 939 Py_TYPE(str)->tp_name); 940 goto finally; 941 } 942 len = PyString_GET_SIZE(str); 943 if (len > buf_size) { 944 PyErr_Format(PyExc_ValueError, 945 "read() returned too much data: " 946 "%i bytes requested, %i returned", 947 buf_size, len); 948 goto finally; 949 } 950 memcpy(buf, PyString_AsString(str), len); 951 finally: 952 Py_XDECREF(arg); 953 Py_XDECREF(str); 954 return len; 955 } 956 957 PyDoc_STRVAR(xmlparse_ParseFile__doc__, 958 "ParseFile(file)\n\ 959 Parse XML data from file-like object."); 960 961 static PyObject * 962 xmlparse_ParseFile(xmlparseobject *self, PyObject *f) 963 { 964 int rv = 1; 965 PyObject *readmethod = NULL; 966 967 readmethod = PyObject_GetAttrString(f, "read"); 968 if (readmethod == NULL) { 969 PyErr_SetString(PyExc_TypeError, 970 "argument must have 'read' attribute"); 971 return NULL; 972 973 } 974 for (;;) { 975 int bytes_read; 976 void *buf = XML_GetBuffer(self->itself, BUF_SIZE); 977 if (buf == NULL) { 978 Py_XDECREF(readmethod); 979 return PyErr_NoMemory(); 980 } 981 982 bytes_read = readinst(buf, BUF_SIZE, readmethod); 983 if (bytes_read < 0) { 984 Py_XDECREF(readmethod); 985 return NULL; 986 } 987 988 rv = XML_ParseBuffer(self->itself, bytes_read, bytes_read == 0); 989 if (PyErr_Occurred()) { 990 Py_XDECREF(readmethod); 991 return NULL; 992 } 993 994 if (!rv || bytes_read == 0) 995 break; 996 } 997 Py_XDECREF(readmethod); 998 return get_parse_result(self, rv); 999 } 1000 1001 PyDoc_STRVAR(xmlparse_SetBase__doc__, 1002 "SetBase(base_url)\n\ 1003 Set the base URL for the parser."); 1004 1005 static PyObject * 1006 xmlparse_SetBase(xmlparseobject *self, PyObject *args) 1007 { 1008 char *base; 1009 1010 if (!PyArg_ParseTuple(args, "s:SetBase", &base)) 1011 return NULL; 1012 if (!XML_SetBase(self->itself, base)) { 1013 return PyErr_NoMemory(); 1014 } 1015 Py_INCREF(Py_None); 1016 return Py_None; 1017 } 1018 1019 PyDoc_STRVAR(xmlparse_GetBase__doc__, 1020 "GetBase() -> url\n\ 1021 Return base URL string for the parser."); 1022 1023 static PyObject * 1024 xmlparse_GetBase(xmlparseobject *self, PyObject *unused) 1025 { 1026 return Py_BuildValue("z", XML_GetBase(self->itself)); 1027 } 1028 1029 PyDoc_STRVAR(xmlparse_GetInputContext__doc__, 1030 "GetInputContext() -> string\n\ 1031 Return the untranslated text of the input that caused the current event.\n\ 1032 If the event was generated by a large amount of text (such as a start tag\n\ 1033 for an element with many attributes), not all of the text may be available."); 1034 1035 static PyObject * 1036 xmlparse_GetInputContext(xmlparseobject *self, PyObject *unused) 1037 { 1038 if (self->in_callback) { 1039 int offset, size; 1040 const char *buffer 1041 = XML_GetInputContext(self->itself, &offset, &size); 1042 1043 if (buffer != NULL) 1044 return PyString_FromStringAndSize(buffer + offset, 1045 size - offset); 1046 else 1047 Py_RETURN_NONE; 1048 } 1049 else 1050 Py_RETURN_NONE; 1051 } 1052 1053 PyDoc_STRVAR(xmlparse_ExternalEntityParserCreate__doc__, 1054 "ExternalEntityParserCreate(context[, encoding])\n\ 1055 Create a parser for parsing an external entity based on the\n\ 1056 information passed to the ExternalEntityRefHandler."); 1057 1058 static PyObject * 1059 xmlparse_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args) 1060 { 1061 char *context; 1062 char *encoding = NULL; 1063 xmlparseobject *new_parser; 1064 int i; 1065 1066 if (!PyArg_ParseTuple(args, "z|s:ExternalEntityParserCreate", 1067 &context, &encoding)) { 1068 return NULL; 1069 } 1070 1071 #ifndef Py_TPFLAGS_HAVE_GC 1072 /* Python versions 2.0 and 2.1 */ 1073 new_parser = PyObject_New(xmlparseobject, &Xmlparsetype); 1074 #else 1075 /* Python versions 2.2 and later */ 1076 new_parser = PyObject_GC_New(xmlparseobject, &Xmlparsetype); 1077 #endif 1078 1079 if (new_parser == NULL) 1080 return NULL; 1081 new_parser->buffer_size = self->buffer_size; 1082 new_parser->buffer_used = 0; 1083 if (self->buffer != NULL) { 1084 new_parser->buffer = malloc(new_parser->buffer_size); 1085 if (new_parser->buffer == NULL) { 1086 #ifndef Py_TPFLAGS_HAVE_GC 1087 /* Code for versions 2.0 and 2.1 */ 1088 PyObject_Del(new_parser); 1089 #else 1090 /* Code for versions 2.2 and later. */ 1091 PyObject_GC_Del(new_parser); 1092 #endif 1093 return PyErr_NoMemory(); 1094 } 1095 } 1096 else 1097 new_parser->buffer = NULL; 1098 new_parser->returns_unicode = self->returns_unicode; 1099 new_parser->ordered_attributes = self->ordered_attributes; 1100 new_parser->specified_attributes = self->specified_attributes; 1101 new_parser->in_callback = 0; 1102 new_parser->ns_prefixes = self->ns_prefixes; 1103 new_parser->itself = XML_ExternalEntityParserCreate(self->itself, context, 1104 encoding); 1105 new_parser->handlers = 0; 1106 new_parser->intern = self->intern; 1107 Py_XINCREF(new_parser->intern); 1108 #ifdef Py_TPFLAGS_HAVE_GC 1109 PyObject_GC_Track(new_parser); 1110 #else 1111 PyObject_GC_Init(new_parser); 1112 #endif 1113 1114 if (!new_parser->itself) { 1115 Py_DECREF(new_parser); 1116 return PyErr_NoMemory(); 1117 } 1118 1119 XML_SetUserData(new_parser->itself, (void *)new_parser); 1120 1121 /* allocate and clear handlers first */ 1122 for (i = 0; handler_info[i].name != NULL; i++) 1123 /* do nothing */; 1124 1125 new_parser->handlers = malloc(sizeof(PyObject *) * i); 1126 if (!new_parser->handlers) { 1127 Py_DECREF(new_parser); 1128 return PyErr_NoMemory(); 1129 } 1130 clear_handlers(new_parser, 1); 1131 1132 /* then copy handlers from self */ 1133 for (i = 0; handler_info[i].name != NULL; i++) { 1134 PyObject *handler = self->handlers[i]; 1135 if (handler != NULL) { 1136 Py_INCREF(handler); 1137 new_parser->handlers[i] = handler; 1138 handler_info[i].setter(new_parser->itself, 1139 handler_info[i].handler); 1140 } 1141 } 1142 return (PyObject *)new_parser; 1143 } 1144 1145 PyDoc_STRVAR(xmlparse_SetParamEntityParsing__doc__, 1146 "SetParamEntityParsing(flag) -> success\n\ 1147 Controls parsing of parameter entities (including the external DTD\n\ 1148 subset). Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n\ 1149 XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n\ 1150 XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n\ 1151 was successful."); 1152 1153 static PyObject* 1154 xmlparse_SetParamEntityParsing(xmlparseobject *p, PyObject* args) 1155 { 1156 int flag; 1157 if (!PyArg_ParseTuple(args, "i", &flag)) 1158 return NULL; 1159 flag = XML_SetParamEntityParsing(p->itself, flag); 1160 return PyInt_FromLong(flag); 1161 } 1162 1163 1164 #if XML_COMBINED_VERSION >= 19505 1165 PyDoc_STRVAR(xmlparse_UseForeignDTD__doc__, 1166 "UseForeignDTD([flag])\n\ 1167 Allows the application to provide an artificial external subset if one is\n\ 1168 not specified as part of the document instance. This readily allows the\n\ 1169 use of a 'default' document type controlled by the application, while still\n\ 1170 getting the advantage of providing document type information to the parser.\n\ 1171 'flag' defaults to True if not provided."); 1172 1173 static PyObject * 1174 xmlparse_UseForeignDTD(xmlparseobject *self, PyObject *args) 1175 { 1176 PyObject *flagobj = NULL; 1177 XML_Bool flag = XML_TRUE; 1178 enum XML_Error rc; 1179 if (!PyArg_UnpackTuple(args, "UseForeignDTD", 0, 1, &flagobj)) 1180 return NULL; 1181 if (flagobj != NULL) 1182 flag = PyObject_IsTrue(flagobj) ? XML_TRUE : XML_FALSE; 1183 rc = XML_UseForeignDTD(self->itself, flag); 1184 if (rc != XML_ERROR_NONE) { 1185 return set_error(self, rc); 1186 } 1187 Py_INCREF(Py_None); 1188 return Py_None; 1189 } 1190 #endif 1191 1192 static struct PyMethodDef xmlparse_methods[] = { 1193 {"Parse", (PyCFunction)xmlparse_Parse, 1194 METH_VARARGS, xmlparse_Parse__doc__}, 1195 {"ParseFile", (PyCFunction)xmlparse_ParseFile, 1196 METH_O, xmlparse_ParseFile__doc__}, 1197 {"SetBase", (PyCFunction)xmlparse_SetBase, 1198 METH_VARARGS, xmlparse_SetBase__doc__}, 1199 {"GetBase", (PyCFunction)xmlparse_GetBase, 1200 METH_NOARGS, xmlparse_GetBase__doc__}, 1201 {"ExternalEntityParserCreate", (PyCFunction)xmlparse_ExternalEntityParserCreate, 1202 METH_VARARGS, xmlparse_ExternalEntityParserCreate__doc__}, 1203 {"SetParamEntityParsing", (PyCFunction)xmlparse_SetParamEntityParsing, 1204 METH_VARARGS, xmlparse_SetParamEntityParsing__doc__}, 1205 {"GetInputContext", (PyCFunction)xmlparse_GetInputContext, 1206 METH_NOARGS, xmlparse_GetInputContext__doc__}, 1207 #if XML_COMBINED_VERSION >= 19505 1208 {"UseForeignDTD", (PyCFunction)xmlparse_UseForeignDTD, 1209 METH_VARARGS, xmlparse_UseForeignDTD__doc__}, 1210 #endif 1211 {NULL, NULL} /* sentinel */ 1212 }; 1213 1214 /* ---------- */ 1215 1216 1217 #ifdef Py_USING_UNICODE 1218 1219 /* pyexpat international encoding support. 1220 Make it as simple as possible. 1221 */ 1222 1223 static char template_buffer[257]; 1224 PyObject *template_string = NULL; 1225 1226 static void 1227 init_template_buffer(void) 1228 { 1229 int i; 1230 for (i = 0; i < 256; i++) { 1231 template_buffer[i] = i; 1232 } 1233 template_buffer[256] = 0; 1234 } 1235 1236 static int 1237 PyUnknownEncodingHandler(void *encodingHandlerData, 1238 const XML_Char *name, 1239 XML_Encoding *info) 1240 { 1241 PyUnicodeObject *_u_string = NULL; 1242 int result = 0; 1243 int i; 1244 1245 /* Yes, supports only 8bit encodings */ 1246 _u_string = (PyUnicodeObject *) 1247 PyUnicode_Decode(template_buffer, 256, name, "replace"); 1248 1249 if (_u_string == NULL) 1250 return result; 1251 1252 for (i = 0; i < 256; i++) { 1253 /* Stupid to access directly, but fast */ 1254 Py_UNICODE c = _u_string->str[i]; 1255 if (c == Py_UNICODE_REPLACEMENT_CHARACTER) 1256 info->map[i] = -1; 1257 else 1258 info->map[i] = c; 1259 } 1260 info->data = NULL; 1261 info->convert = NULL; 1262 info->release = NULL; 1263 result = 1; 1264 Py_DECREF(_u_string); 1265 return result; 1266 } 1267 1268 #endif 1269 1270 static PyObject * 1271 newxmlparseobject(char *encoding, char *namespace_separator, PyObject *intern) 1272 { 1273 int i; 1274 xmlparseobject *self; 1275 1276 #ifdef Py_TPFLAGS_HAVE_GC 1277 /* Code for versions 2.2 and later */ 1278 self = PyObject_GC_New(xmlparseobject, &Xmlparsetype); 1279 #else 1280 self = PyObject_New(xmlparseobject, &Xmlparsetype); 1281 #endif 1282 if (self == NULL) 1283 return NULL; 1284 1285 #ifdef Py_USING_UNICODE 1286 self->returns_unicode = 1; 1287 #else 1288 self->returns_unicode = 0; 1289 #endif 1290 1291 self->buffer = NULL; 1292 self->buffer_size = CHARACTER_DATA_BUFFER_SIZE; 1293 self->buffer_used = 0; 1294 self->ordered_attributes = 0; 1295 self->specified_attributes = 0; 1296 self->in_callback = 0; 1297 self->ns_prefixes = 0; 1298 self->handlers = NULL; 1299 if (namespace_separator != NULL) { 1300 self->itself = XML_ParserCreateNS(encoding, *namespace_separator); 1301 } 1302 else { 1303 self->itself = XML_ParserCreate(encoding); 1304 } 1305 self->intern = intern; 1306 Py_XINCREF(self->intern); 1307 #ifdef Py_TPFLAGS_HAVE_GC 1308 PyObject_GC_Track(self); 1309 #else 1310 PyObject_GC_Init(self); 1311 #endif 1312 if (self->itself == NULL) { 1313 PyErr_SetString(PyExc_RuntimeError, 1314 "XML_ParserCreate failed"); 1315 Py_DECREF(self); 1316 return NULL; 1317 } 1318 XML_SetUserData(self->itself, (void *)self); 1319 #ifdef Py_USING_UNICODE 1320 XML_SetUnknownEncodingHandler(self->itself, 1321 (XML_UnknownEncodingHandler) PyUnknownEncodingHandler, NULL); 1322 #endif 1323 1324 for (i = 0; handler_info[i].name != NULL; i++) 1325 /* do nothing */; 1326 1327 self->handlers = malloc(sizeof(PyObject *) * i); 1328 if (!self->handlers) { 1329 Py_DECREF(self); 1330 return PyErr_NoMemory(); 1331 } 1332 clear_handlers(self, 1); 1333 1334 return (PyObject*)self; 1335 } 1336 1337 1338 static void 1339 xmlparse_dealloc(xmlparseobject *self) 1340 { 1341 int i; 1342 #ifdef Py_TPFLAGS_HAVE_GC 1343 PyObject_GC_UnTrack(self); 1344 #else 1345 PyObject_GC_Fini(self); 1346 #endif 1347 if (self->itself != NULL) 1348 XML_ParserFree(self->itself); 1349 self->itself = NULL; 1350 1351 if (self->handlers != NULL) { 1352 PyObject *temp; 1353 for (i = 0; handler_info[i].name != NULL; i++) { 1354 temp = self->handlers[i]; 1355 self->handlers[i] = NULL; 1356 Py_XDECREF(temp); 1357 } 1358 free(self->handlers); 1359 self->handlers = NULL; 1360 } 1361 if (self->buffer != NULL) { 1362 free(self->buffer); 1363 self->buffer = NULL; 1364 } 1365 Py_XDECREF(self->intern); 1366 #ifndef Py_TPFLAGS_HAVE_GC 1367 /* Code for versions 2.0 and 2.1 */ 1368 PyObject_Del(self); 1369 #else 1370 /* Code for versions 2.2 and later. */ 1371 PyObject_GC_Del(self); 1372 #endif 1373 } 1374 1375 static int 1376 handlername2int(const char *name) 1377 { 1378 int i; 1379 for (i = 0; handler_info[i].name != NULL; i++) { 1380 if (strcmp(name, handler_info[i].name) == 0) { 1381 return i; 1382 } 1383 } 1384 return -1; 1385 } 1386 1387 static PyObject * 1388 get_pybool(int istrue) 1389 { 1390 PyObject *result = istrue ? Py_True : Py_False; 1391 Py_INCREF(result); 1392 return result; 1393 } 1394 1395 static PyObject * 1396 xmlparse_getattr(xmlparseobject *self, char *name) 1397 { 1398 int handlernum = handlername2int(name); 1399 1400 if (handlernum != -1) { 1401 PyObject *result = self->handlers[handlernum]; 1402 if (result == NULL) 1403 result = Py_None; 1404 Py_INCREF(result); 1405 return result; 1406 } 1407 if (name[0] == 'E') { 1408 if (strcmp(name, "ErrorCode") == 0) 1409 return PyInt_FromLong((long) 1410 XML_GetErrorCode(self->itself)); 1411 if (strcmp(name, "ErrorLineNumber") == 0) 1412 return PyInt_FromLong((long) 1413 XML_GetErrorLineNumber(self->itself)); 1414 if (strcmp(name, "ErrorColumnNumber") == 0) 1415 return PyInt_FromLong((long) 1416 XML_GetErrorColumnNumber(self->itself)); 1417 if (strcmp(name, "ErrorByteIndex") == 0) 1418 return PyInt_FromLong((long) 1419 XML_GetErrorByteIndex(self->itself)); 1420 } 1421 if (name[0] == 'C') { 1422 if (strcmp(name, "CurrentLineNumber") == 0) 1423 return PyInt_FromLong((long) 1424 XML_GetCurrentLineNumber(self->itself)); 1425 if (strcmp(name, "CurrentColumnNumber") == 0) 1426 return PyInt_FromLong((long) 1427 XML_GetCurrentColumnNumber(self->itself)); 1428 if (strcmp(name, "CurrentByteIndex") == 0) 1429 return PyInt_FromLong((long) 1430 XML_GetCurrentByteIndex(self->itself)); 1431 } 1432 if (name[0] == 'b') { 1433 if (strcmp(name, "buffer_size") == 0) 1434 return PyInt_FromLong((long) self->buffer_size); 1435 if (strcmp(name, "buffer_text") == 0) 1436 return get_pybool(self->buffer != NULL); 1437 if (strcmp(name, "buffer_used") == 0) 1438 return PyInt_FromLong((long) self->buffer_used); 1439 } 1440 if (strcmp(name, "namespace_prefixes") == 0) 1441 return get_pybool(self->ns_prefixes); 1442 if (strcmp(name, "ordered_attributes") == 0) 1443 return get_pybool(self->ordered_attributes); 1444 if (strcmp(name, "returns_unicode") == 0) 1445 return get_pybool((long) self->returns_unicode); 1446 if (strcmp(name, "specified_attributes") == 0) 1447 return get_pybool((long) self->specified_attributes); 1448 if (strcmp(name, "intern") == 0) { 1449 if (self->intern == NULL) { 1450 Py_INCREF(Py_None); 1451 return Py_None; 1452 } 1453 else { 1454 Py_INCREF(self->intern); 1455 return self->intern; 1456 } 1457 } 1458 1459 #define APPEND(list, str) \ 1460 do { \ 1461 PyObject *o = PyString_FromString(str); \ 1462 if (o != NULL) \ 1463 PyList_Append(list, o); \ 1464 Py_XDECREF(o); \ 1465 } while (0) 1466 1467 if (strcmp(name, "__members__") == 0) { 1468 int i; 1469 PyObject *rc = PyList_New(0); 1470 if (!rc) 1471 return NULL; 1472 for (i = 0; handler_info[i].name != NULL; i++) { 1473 PyObject *o = get_handler_name(&handler_info[i]); 1474 if (o != NULL) 1475 PyList_Append(rc, o); 1476 Py_XDECREF(o); 1477 } 1478 APPEND(rc, "ErrorCode"); 1479 APPEND(rc, "ErrorLineNumber"); 1480 APPEND(rc, "ErrorColumnNumber"); 1481 APPEND(rc, "ErrorByteIndex"); 1482 APPEND(rc, "CurrentLineNumber"); 1483 APPEND(rc, "CurrentColumnNumber"); 1484 APPEND(rc, "CurrentByteIndex"); 1485 APPEND(rc, "buffer_size"); 1486 APPEND(rc, "buffer_text"); 1487 APPEND(rc, "buffer_used"); 1488 APPEND(rc, "namespace_prefixes"); 1489 APPEND(rc, "ordered_attributes"); 1490 APPEND(rc, "returns_unicode"); 1491 APPEND(rc, "specified_attributes"); 1492 APPEND(rc, "intern"); 1493 1494 #undef APPEND 1495 return rc; 1496 } 1497 return Py_FindMethod(xmlparse_methods, (PyObject *)self, name); 1498 } 1499 1500 static int 1501 sethandler(xmlparseobject *self, const char *name, PyObject* v) 1502 { 1503 int handlernum = handlername2int(name); 1504 if (handlernum >= 0) { 1505 xmlhandler c_handler = NULL; 1506 PyObject *temp = self->handlers[handlernum]; 1507 1508 if (v == Py_None) { 1509 /* If this is the character data handler, and a character 1510 data handler is already active, we need to be more 1511 careful. What we can safely do is replace the existing 1512 character data handler callback function with a no-op 1513 function that will refuse to call Python. The downside 1514 is that this doesn't completely remove the character 1515 data handler from the C layer if there's any callback 1516 active, so Expat does a little more work than it 1517 otherwise would, but that's really an odd case. A more 1518 elaborate system of handlers and state could remove the 1519 C handler more effectively. */ 1520 if (handlernum == CharacterData && self->in_callback) 1521 c_handler = noop_character_data_handler; 1522 v = NULL; 1523 } 1524 else if (v != NULL) { 1525 Py_INCREF(v); 1526 c_handler = handler_info[handlernum].handler; 1527 } 1528 self->handlers[handlernum] = v; 1529 Py_XDECREF(temp); 1530 handler_info[handlernum].setter(self->itself, c_handler); 1531 return 1; 1532 } 1533 return 0; 1534 } 1535 1536 static int 1537 xmlparse_setattr(xmlparseobject *self, char *name, PyObject *v) 1538 { 1539 /* Set attribute 'name' to value 'v'. v==NULL means delete */ 1540 if (v == NULL) { 1541 PyErr_SetString(PyExc_RuntimeError, "Cannot delete attribute"); 1542 return -1; 1543 } 1544 if (strcmp(name, "buffer_text") == 0) { 1545 if (PyObject_IsTrue(v)) { 1546 if (self->buffer == NULL) { 1547 self->buffer = malloc(self->buffer_size); 1548 if (self->buffer == NULL) { 1549 PyErr_NoMemory(); 1550 return -1; 1551 } 1552 self->buffer_used = 0; 1553 } 1554 } 1555 else if (self->buffer != NULL) { 1556 if (flush_character_buffer(self) < 0) 1557 return -1; 1558 free(self->buffer); 1559 self->buffer = NULL; 1560 } 1561 return 0; 1562 } 1563 if (strcmp(name, "namespace_prefixes") == 0) { 1564 if (PyObject_IsTrue(v)) 1565 self->ns_prefixes = 1; 1566 else 1567 self->ns_prefixes = 0; 1568 XML_SetReturnNSTriplet(self->itself, self->ns_prefixes); 1569 return 0; 1570 } 1571 if (strcmp(name, "ordered_attributes") == 0) { 1572 if (PyObject_IsTrue(v)) 1573 self->ordered_attributes = 1; 1574 else 1575 self->ordered_attributes = 0; 1576 return 0; 1577 } 1578 if (strcmp(name, "returns_unicode") == 0) { 1579 if (PyObject_IsTrue(v)) { 1580 #ifndef Py_USING_UNICODE 1581 PyErr_SetString(PyExc_ValueError, 1582 "Unicode support not available"); 1583 return -1; 1584 #else 1585 self->returns_unicode = 1; 1586 #endif 1587 } 1588 else 1589 self->returns_unicode = 0; 1590 return 0; 1591 } 1592 if (strcmp(name, "specified_attributes") == 0) { 1593 if (PyObject_IsTrue(v)) 1594 self->specified_attributes = 1; 1595 else 1596 self->specified_attributes = 0; 1597 return 0; 1598 } 1599 1600 if (strcmp(name, "buffer_size") == 0) { 1601 long new_buffer_size; 1602 if (!PyInt_Check(v)) { 1603 PyErr_SetString(PyExc_TypeError, "buffer_size must be an integer"); 1604 return -1; 1605 } 1606 1607 new_buffer_size=PyInt_AS_LONG(v); 1608 /* trivial case -- no change */ 1609 if (new_buffer_size == self->buffer_size) { 1610 return 0; 1611 } 1612 1613 if (new_buffer_size <= 0) { 1614 PyErr_SetString(PyExc_ValueError, "buffer_size must be greater than zero"); 1615 return -1; 1616 } 1617 1618 /* check maximum */ 1619 if (new_buffer_size > INT_MAX) { 1620 char errmsg[100]; 1621 sprintf(errmsg, "buffer_size must not be greater than %i", INT_MAX); 1622 PyErr_SetString(PyExc_ValueError, errmsg); 1623 return -1; 1624 } 1625 1626 if (self->buffer != NULL) { 1627 /* there is already a buffer */ 1628 if (self->buffer_used != 0) { 1629 flush_character_buffer(self); 1630 } 1631 /* free existing buffer */ 1632 free(self->buffer); 1633 } 1634 self->buffer = malloc(new_buffer_size); 1635 if (self->buffer == NULL) { 1636 PyErr_NoMemory(); 1637 return -1; 1638 } 1639 self->buffer_size = new_buffer_size; 1640 return 0; 1641 } 1642 1643 if (strcmp(name, "CharacterDataHandler") == 0) { 1644 /* If we're changing the character data handler, flush all 1645 * cached data with the old handler. Not sure there's a 1646 * "right" thing to do, though, but this probably won't 1647 * happen. 1648 */ 1649 if (flush_character_buffer(self) < 0) 1650 return -1; 1651 } 1652 if (sethandler(self, name, v)) { 1653 return 0; 1654 } 1655 PyErr_SetString(PyExc_AttributeError, name); 1656 return -1; 1657 } 1658 1659 #ifdef WITH_CYCLE_GC 1660 static int 1661 xmlparse_traverse(xmlparseobject *op, visitproc visit, void *arg) 1662 { 1663 int i; 1664 for (i = 0; handler_info[i].name != NULL; i++) 1665 Py_VISIT(op->handlers[i]); 1666 return 0; 1667 } 1668 1669 static int 1670 xmlparse_clear(xmlparseobject *op) 1671 { 1672 clear_handlers(op, 0); 1673 Py_CLEAR(op->intern); 1674 return 0; 1675 } 1676 #endif 1677 1678 PyDoc_STRVAR(Xmlparsetype__doc__, "XML parser"); 1679 1680 static PyTypeObject Xmlparsetype = { 1681 PyVarObject_HEAD_INIT(NULL, 0) 1682 "pyexpat.xmlparser", /*tp_name*/ 1683 sizeof(xmlparseobject) + PyGC_HEAD_SIZE,/*tp_basicsize*/ 1684 0, /*tp_itemsize*/ 1685 /* methods */ 1686 (destructor)xmlparse_dealloc, /*tp_dealloc*/ 1687 (printfunc)0, /*tp_print*/ 1688 (getattrfunc)xmlparse_getattr, /*tp_getattr*/ 1689 (setattrfunc)xmlparse_setattr, /*tp_setattr*/ 1690 (cmpfunc)0, /*tp_compare*/ 1691 (reprfunc)0, /*tp_repr*/ 1692 0, /*tp_as_number*/ 1693 0, /*tp_as_sequence*/ 1694 0, /*tp_as_mapping*/ 1695 (hashfunc)0, /*tp_hash*/ 1696 (ternaryfunc)0, /*tp_call*/ 1697 (reprfunc)0, /*tp_str*/ 1698 0, /* tp_getattro */ 1699 0, /* tp_setattro */ 1700 0, /* tp_as_buffer */ 1701 #ifdef Py_TPFLAGS_HAVE_GC 1702 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /*tp_flags*/ 1703 #else 1704 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_GC, /*tp_flags*/ 1705 #endif 1706 Xmlparsetype__doc__, /* tp_doc - Documentation string */ 1707 #ifdef WITH_CYCLE_GC 1708 (traverseproc)xmlparse_traverse, /* tp_traverse */ 1709 (inquiry)xmlparse_clear /* tp_clear */ 1710 #else 1711 0, 0 1712 #endif 1713 }; 1714 1715 /* End of code for xmlparser objects */ 1716 /* -------------------------------------------------------- */ 1717 1718 PyDoc_STRVAR(pyexpat_ParserCreate__doc__, 1719 "ParserCreate([encoding[, namespace_separator]]) -> parser\n\ 1720 Return a new XML parser object."); 1721 1722 static PyObject * 1723 pyexpat_ParserCreate(PyObject *notused, PyObject *args, PyObject *kw) 1724 { 1725 char *encoding = NULL; 1726 char *namespace_separator = NULL; 1727 PyObject *intern = NULL; 1728 PyObject *result; 1729 int intern_decref = 0; 1730 static char *kwlist[] = {"encoding", "namespace_separator", 1731 "intern", NULL}; 1732 1733 if (!PyArg_ParseTupleAndKeywords(args, kw, "|zzO:ParserCreate", kwlist, 1734 &encoding, &namespace_separator, &intern)) 1735 return NULL; 1736 if (namespace_separator != NULL 1737 && strlen(namespace_separator) > 1) { 1738 PyErr_SetString(PyExc_ValueError, 1739 "namespace_separator must be at most one" 1740 " character, omitted, or None"); 1741 return NULL; 1742 } 1743 /* Explicitly passing None means no interning is desired. 1744 Not passing anything means that a new dictionary is used. */ 1745 if (intern == Py_None) 1746 intern = NULL; 1747 else if (intern == NULL) { 1748 intern = PyDict_New(); 1749 if (!intern) 1750 return NULL; 1751 intern_decref = 1; 1752 } 1753 else if (!PyDict_Check(intern)) { 1754 PyErr_SetString(PyExc_TypeError, "intern must be a dictionary"); 1755 return NULL; 1756 } 1757 1758 result = newxmlparseobject(encoding, namespace_separator, intern); 1759 if (intern_decref) { 1760 Py_DECREF(intern); 1761 } 1762 return result; 1763 } 1764 1765 PyDoc_STRVAR(pyexpat_ErrorString__doc__, 1766 "ErrorString(errno) -> string\n\ 1767 Returns string error for given number."); 1768 1769 static PyObject * 1770 pyexpat_ErrorString(PyObject *self, PyObject *args) 1771 { 1772 long code = 0; 1773 1774 if (!PyArg_ParseTuple(args, "l:ErrorString", &code)) 1775 return NULL; 1776 return Py_BuildValue("z", XML_ErrorString((int)code)); 1777 } 1778 1779 /* List of methods defined in the module */ 1780 1781 static struct PyMethodDef pyexpat_methods[] = { 1782 {"ParserCreate", (PyCFunction)pyexpat_ParserCreate, 1783 METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__}, 1784 {"ErrorString", (PyCFunction)pyexpat_ErrorString, 1785 METH_VARARGS, pyexpat_ErrorString__doc__}, 1786 1787 {NULL, (PyCFunction)NULL, 0, NULL} /* sentinel */ 1788 }; 1789 1790 /* Module docstring */ 1791 1792 PyDoc_STRVAR(pyexpat_module_documentation, 1793 "Python wrapper for Expat parser."); 1794 1795 /* Initialization function for the module */ 1796 1797 #ifndef MODULE_NAME 1798 #define MODULE_NAME "pyexpat" 1799 #endif 1800 1801 #ifndef MODULE_INITFUNC 1802 #define MODULE_INITFUNC initpyexpat 1803 #endif 1804 1805 #ifndef PyMODINIT_FUNC 1806 # ifdef MS_WINDOWS 1807 # define PyMODINIT_FUNC __declspec(dllexport) void 1808 # else 1809 # define PyMODINIT_FUNC void 1810 # endif 1811 #endif 1812 1813 PyMODINIT_FUNC MODULE_INITFUNC(void); /* avoid compiler warnings */ 1814 1815 PyMODINIT_FUNC 1816 MODULE_INITFUNC(void) 1817 { 1818 PyObject *m, *d; 1819 PyObject *errmod_name = PyString_FromString(MODULE_NAME ".errors"); 1820 PyObject *errors_module; 1821 PyObject *modelmod_name; 1822 PyObject *model_module; 1823 PyObject *sys_modules; 1824 PyObject *version; 1825 static struct PyExpat_CAPI capi; 1826 PyObject* capi_object; 1827 1828 if (errmod_name == NULL) 1829 return; 1830 modelmod_name = PyString_FromString(MODULE_NAME ".model"); 1831 if (modelmod_name == NULL) 1832 return; 1833 1834 Py_TYPE(&Xmlparsetype) = &PyType_Type; 1835 1836 /* Create the module and add the functions */ 1837 m = Py_InitModule3(MODULE_NAME, pyexpat_methods, 1838 pyexpat_module_documentation); 1839 if (m == NULL) 1840 return; 1841 1842 /* Add some symbolic constants to the module */ 1843 if (ErrorObject == NULL) { 1844 ErrorObject = PyErr_NewException("xml.parsers.expat.ExpatError", 1845 NULL, NULL); 1846 if (ErrorObject == NULL) 1847 return; 1848 } 1849 Py_INCREF(ErrorObject); 1850 PyModule_AddObject(m, "error", ErrorObject); 1851 Py_INCREF(ErrorObject); 1852 PyModule_AddObject(m, "ExpatError", ErrorObject); 1853 Py_INCREF(&Xmlparsetype); 1854 PyModule_AddObject(m, "XMLParserType", (PyObject *) &Xmlparsetype); 1855 1856 version = PyString_FromString(PY_VERSION); 1857 if (!version) 1858 return; 1859 PyModule_AddObject(m, "__version__", version); 1860 PyModule_AddStringConstant(m, "EXPAT_VERSION", 1861 (char *) XML_ExpatVersion()); 1862 { 1863 XML_Expat_Version info = XML_ExpatVersionInfo(); 1864 PyModule_AddObject(m, "version_info", 1865 Py_BuildValue("(iii)", info.major, 1866 info.minor, info.micro)); 1867 } 1868 #ifdef Py_USING_UNICODE 1869 init_template_buffer(); 1870 #endif 1871 /* XXX When Expat supports some way of figuring out how it was 1872 compiled, this should check and set native_encoding 1873 appropriately. 1874 */ 1875 PyModule_AddStringConstant(m, "native_encoding", "UTF-8"); 1876 1877 sys_modules = PySys_GetObject("modules"); 1878 d = PyModule_GetDict(m); 1879 errors_module = PyDict_GetItem(d, errmod_name); 1880 if (errors_module == NULL) { 1881 errors_module = PyModule_New(MODULE_NAME ".errors"); 1882 if (errors_module != NULL) { 1883 PyDict_SetItem(sys_modules, errmod_name, errors_module); 1884 /* gives away the reference to errors_module */ 1885 PyModule_AddObject(m, "errors", errors_module); 1886 } 1887 } 1888 Py_DECREF(errmod_name); 1889 model_module = PyDict_GetItem(d, modelmod_name); 1890 if (model_module == NULL) { 1891 model_module = PyModule_New(MODULE_NAME ".model"); 1892 if (model_module != NULL) { 1893 PyDict_SetItem(sys_modules, modelmod_name, model_module); 1894 /* gives away the reference to model_module */ 1895 PyModule_AddObject(m, "model", model_module); 1896 } 1897 } 1898 Py_DECREF(modelmod_name); 1899 if (errors_module == NULL || model_module == NULL) 1900 /* Don't core dump later! */ 1901 return; 1902 1903 #if XML_COMBINED_VERSION > 19505 1904 { 1905 const XML_Feature *features = XML_GetFeatureList(); 1906 PyObject *list = PyList_New(0); 1907 if (list == NULL) 1908 /* just ignore it */ 1909 PyErr_Clear(); 1910 else { 1911 int i = 0; 1912 for (; features[i].feature != XML_FEATURE_END; ++i) { 1913 int ok; 1914 PyObject *item = Py_BuildValue("si", features[i].name, 1915 features[i].value); 1916 if (item == NULL) { 1917 Py_DECREF(list); 1918 list = NULL; 1919 break; 1920 } 1921 ok = PyList_Append(list, item); 1922 Py_DECREF(item); 1923 if (ok < 0) { 1924 PyErr_Clear(); 1925 break; 1926 } 1927 } 1928 if (list != NULL) 1929 PyModule_AddObject(m, "features", list); 1930 } 1931 } 1932 #endif 1933 1934 #define MYCONST(name) \ 1935 PyModule_AddStringConstant(errors_module, #name, \ 1936 (char*)XML_ErrorString(name)) 1937 1938 MYCONST(XML_ERROR_NO_MEMORY); 1939 MYCONST(XML_ERROR_SYNTAX); 1940 MYCONST(XML_ERROR_NO_ELEMENTS); 1941 MYCONST(XML_ERROR_INVALID_TOKEN); 1942 MYCONST(XML_ERROR_UNCLOSED_TOKEN); 1943 MYCONST(XML_ERROR_PARTIAL_CHAR); 1944 MYCONST(XML_ERROR_TAG_MISMATCH); 1945 MYCONST(XML_ERROR_DUPLICATE_ATTRIBUTE); 1946 MYCONST(XML_ERROR_JUNK_AFTER_DOC_ELEMENT); 1947 MYCONST(XML_ERROR_PARAM_ENTITY_REF); 1948 MYCONST(XML_ERROR_UNDEFINED_ENTITY); 1949 MYCONST(XML_ERROR_RECURSIVE_ENTITY_REF); 1950 MYCONST(XML_ERROR_ASYNC_ENTITY); 1951 MYCONST(XML_ERROR_BAD_CHAR_REF); 1952 MYCONST(XML_ERROR_BINARY_ENTITY_REF); 1953 MYCONST(XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF); 1954 MYCONST(XML_ERROR_MISPLACED_XML_PI); 1955 MYCONST(XML_ERROR_UNKNOWN_ENCODING); 1956 MYCONST(XML_ERROR_INCORRECT_ENCODING); 1957 MYCONST(XML_ERROR_UNCLOSED_CDATA_SECTION); 1958 MYCONST(XML_ERROR_EXTERNAL_ENTITY_HANDLING); 1959 MYCONST(XML_ERROR_NOT_STANDALONE); 1960 MYCONST(XML_ERROR_UNEXPECTED_STATE); 1961 MYCONST(XML_ERROR_ENTITY_DECLARED_IN_PE); 1962 MYCONST(XML_ERROR_FEATURE_REQUIRES_XML_DTD); 1963 MYCONST(XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING); 1964 /* Added in Expat 1.95.7. */ 1965 MYCONST(XML_ERROR_UNBOUND_PREFIX); 1966 /* Added in Expat 1.95.8. */ 1967 MYCONST(XML_ERROR_UNDECLARING_PREFIX); 1968 MYCONST(XML_ERROR_INCOMPLETE_PE); 1969 MYCONST(XML_ERROR_XML_DECL); 1970 MYCONST(XML_ERROR_TEXT_DECL); 1971 MYCONST(XML_ERROR_PUBLICID); 1972 MYCONST(XML_ERROR_SUSPENDED); 1973 MYCONST(XML_ERROR_NOT_SUSPENDED); 1974 MYCONST(XML_ERROR_ABORTED); 1975 MYCONST(XML_ERROR_FINISHED); 1976 MYCONST(XML_ERROR_SUSPEND_PE); 1977 1978 PyModule_AddStringConstant(errors_module, "__doc__", 1979 "Constants used to describe error conditions."); 1980 1981 #undef MYCONST 1982 1983 #define MYCONST(c) PyModule_AddIntConstant(m, #c, c) 1984 MYCONST(XML_PARAM_ENTITY_PARSING_NEVER); 1985 MYCONST(XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE); 1986 MYCONST(XML_PARAM_ENTITY_PARSING_ALWAYS); 1987 #undef MYCONST 1988 1989 #define MYCONST(c) PyModule_AddIntConstant(model_module, #c, c) 1990 PyModule_AddStringConstant(model_module, "__doc__", 1991 "Constants used to interpret content model information."); 1992 1993 MYCONST(XML_CTYPE_EMPTY); 1994 MYCONST(XML_CTYPE_ANY); 1995 MYCONST(XML_CTYPE_MIXED); 1996 MYCONST(XML_CTYPE_NAME); 1997 MYCONST(XML_CTYPE_CHOICE); 1998 MYCONST(XML_CTYPE_SEQ); 1999 2000 MYCONST(XML_CQUANT_NONE); 2001 MYCONST(XML_CQUANT_OPT); 2002 MYCONST(XML_CQUANT_REP); 2003 MYCONST(XML_CQUANT_PLUS); 2004 #undef MYCONST 2005 2006 /* initialize pyexpat dispatch table */ 2007 capi.size = sizeof(capi); 2008 capi.magic = PyExpat_CAPI_MAGIC; 2009 capi.MAJOR_VERSION = XML_MAJOR_VERSION; 2010 capi.MINOR_VERSION = XML_MINOR_VERSION; 2011 capi.MICRO_VERSION = XML_MICRO_VERSION; 2012 capi.ErrorString = XML_ErrorString; 2013 capi.GetErrorCode = XML_GetErrorCode; 2014 capi.GetErrorColumnNumber = XML_GetErrorColumnNumber; 2015 capi.GetErrorLineNumber = XML_GetErrorLineNumber; 2016 capi.Parse = XML_Parse; 2017 capi.ParserCreate_MM = XML_ParserCreate_MM; 2018 capi.ParserFree = XML_ParserFree; 2019 capi.SetCharacterDataHandler = XML_SetCharacterDataHandler; 2020 capi.SetCommentHandler = XML_SetCommentHandler; 2021 capi.SetDefaultHandlerExpand = XML_SetDefaultHandlerExpand; 2022 capi.SetElementHandler = XML_SetElementHandler; 2023 capi.SetNamespaceDeclHandler = XML_SetNamespaceDeclHandler; 2024 capi.SetProcessingInstructionHandler = XML_SetProcessingInstructionHandler; 2025 capi.SetUnknownEncodingHandler = XML_SetUnknownEncodingHandler; 2026 capi.SetUserData = XML_SetUserData; 2027 2028 /* export using capsule */ 2029 capi_object = PyCapsule_New(&capi, PyExpat_CAPSULE_NAME, NULL); 2030 if (capi_object) 2031 PyModule_AddObject(m, "expat_CAPI", capi_object); 2032 } 2033 2034 static void 2035 clear_handlers(xmlparseobject *self, int initial) 2036 { 2037 int i = 0; 2038 PyObject *temp; 2039 2040 for (; handler_info[i].name != NULL; i++) { 2041 if (initial) 2042 self->handlers[i] = NULL; 2043 else { 2044 temp = self->handlers[i]; 2045 self->handlers[i] = NULL; 2046 Py_XDECREF(temp); 2047 handler_info[i].setter(self->itself, NULL); 2048 } 2049 } 2050 } 2051 2052 static struct HandlerInfo handler_info[] = { 2053 {"StartElementHandler", 2054 (xmlhandlersetter)XML_SetStartElementHandler, 2055 (xmlhandler)my_StartElementHandler}, 2056 {"EndElementHandler", 2057 (xmlhandlersetter)XML_SetEndElementHandler, 2058 (xmlhandler)my_EndElementHandler}, 2059 {"ProcessingInstructionHandler", 2060 (xmlhandlersetter)XML_SetProcessingInstructionHandler, 2061 (xmlhandler)my_ProcessingInstructionHandler}, 2062 {"CharacterDataHandler", 2063 (xmlhandlersetter)XML_SetCharacterDataHandler, 2064 (xmlhandler)my_CharacterDataHandler}, 2065 {"UnparsedEntityDeclHandler", 2066 (xmlhandlersetter)XML_SetUnparsedEntityDeclHandler, 2067 (xmlhandler)my_UnparsedEntityDeclHandler}, 2068 {"NotationDeclHandler", 2069 (xmlhandlersetter)XML_SetNotationDeclHandler, 2070 (xmlhandler)my_NotationDeclHandler}, 2071 {"StartNamespaceDeclHandler", 2072 (xmlhandlersetter)XML_SetStartNamespaceDeclHandler, 2073 (xmlhandler)my_StartNamespaceDeclHandler}, 2074 {"EndNamespaceDeclHandler", 2075 (xmlhandlersetter)XML_SetEndNamespaceDeclHandler, 2076 (xmlhandler)my_EndNamespaceDeclHandler}, 2077 {"CommentHandler", 2078 (xmlhandlersetter)XML_SetCommentHandler, 2079 (xmlhandler)my_CommentHandler}, 2080 {"StartCdataSectionHandler", 2081 (xmlhandlersetter)XML_SetStartCdataSectionHandler, 2082 (xmlhandler)my_StartCdataSectionHandler}, 2083 {"EndCdataSectionHandler", 2084 (xmlhandlersetter)XML_SetEndCdataSectionHandler, 2085 (xmlhandler)my_EndCdataSectionHandler}, 2086 {"DefaultHandler", 2087 (xmlhandlersetter)XML_SetDefaultHandler, 2088 (xmlhandler)my_DefaultHandler}, 2089 {"DefaultHandlerExpand", 2090 (xmlhandlersetter)XML_SetDefaultHandlerExpand, 2091 (xmlhandler)my_DefaultHandlerExpandHandler}, 2092 {"NotStandaloneHandler", 2093 (xmlhandlersetter)XML_SetNotStandaloneHandler, 2094 (xmlhandler)my_NotStandaloneHandler}, 2095 {"ExternalEntityRefHandler", 2096 (xmlhandlersetter)XML_SetExternalEntityRefHandler, 2097 (xmlhandler)my_ExternalEntityRefHandler}, 2098 {"StartDoctypeDeclHandler", 2099 (xmlhandlersetter)XML_SetStartDoctypeDeclHandler, 2100 (xmlhandler)my_StartDoctypeDeclHandler}, 2101 {"EndDoctypeDeclHandler", 2102 (xmlhandlersetter)XML_SetEndDoctypeDeclHandler, 2103 (xmlhandler)my_EndDoctypeDeclHandler}, 2104 {"EntityDeclHandler", 2105 (xmlhandlersetter)XML_SetEntityDeclHandler, 2106 (xmlhandler)my_EntityDeclHandler}, 2107 {"XmlDeclHandler", 2108 (xmlhandlersetter)XML_SetXmlDeclHandler, 2109 (xmlhandler)my_XmlDeclHandler}, 2110 {"ElementDeclHandler", 2111 (xmlhandlersetter)XML_SetElementDeclHandler, 2112 (xmlhandler)my_ElementDeclHandler}, 2113 {"AttlistDeclHandler", 2114 (xmlhandlersetter)XML_SetAttlistDeclHandler, 2115 (xmlhandler)my_AttlistDeclHandler}, 2116 #if XML_COMBINED_VERSION >= 19504 2117 {"SkippedEntityHandler", 2118 (xmlhandlersetter)XML_SetSkippedEntityHandler, 2119 (xmlhandler)my_SkippedEntityHandler}, 2120 #endif 2121 2122 {NULL, NULL, NULL} /* sentinel */ 2123 }; 2124
