| #include "Python.h" |
| #include <ctype.h> |
| |
| #include "frameobject.h" |
| #include "expat.h" |
| |
| #include "pyexpat.h" |
| |
| /* Do not emit Clinic output to a file as that wreaks havoc with conditionally |
| included methods. */ |
| /*[clinic input] |
| module pyexpat |
| [clinic start generated code]*/ |
| /*[clinic end generated code: output=da39a3ee5e6b4b0d input=b168d503a4490c15]*/ |
| |
| #define XML_COMBINED_VERSION (10000*XML_MAJOR_VERSION+100*XML_MINOR_VERSION+XML_MICRO_VERSION) |
| |
| #define FIX_TRACE |
| |
| static XML_Memory_Handling_Suite ExpatMemoryHandler = { |
| PyObject_Malloc, PyObject_Realloc, PyObject_Free}; |
| |
| enum HandlerTypes { |
| StartElement, |
| EndElement, |
| ProcessingInstruction, |
| CharacterData, |
| UnparsedEntityDecl, |
| NotationDecl, |
| StartNamespaceDecl, |
| EndNamespaceDecl, |
| Comment, |
| StartCdataSection, |
| EndCdataSection, |
| Default, |
| DefaultHandlerExpand, |
| NotStandalone, |
| ExternalEntityRef, |
| StartDoctypeDecl, |
| EndDoctypeDecl, |
| EntityDecl, |
| XmlDecl, |
| ElementDecl, |
| AttlistDecl, |
| #if XML_COMBINED_VERSION >= 19504 |
| SkippedEntity, |
| #endif |
| _DummyDecl |
| }; |
| |
| static PyObject *ErrorObject; |
| |
| /* ----------------------------------------------------- */ |
| |
| /* Declarations for objects of type xmlparser */ |
| |
| typedef struct { |
| PyObject_HEAD |
| |
| XML_Parser itself; |
| int ordered_attributes; /* Return attributes as a list. */ |
| int specified_attributes; /* Report only specified attributes. */ |
| int in_callback; /* Is a callback active? */ |
| int ns_prefixes; /* Namespace-triplets mode? */ |
| XML_Char *buffer; /* Buffer used when accumulating characters */ |
| /* NULL if not enabled */ |
| int buffer_size; /* Size of buffer, in XML_Char units */ |
| int buffer_used; /* Buffer units in use */ |
| PyObject *intern; /* Dictionary to intern strings */ |
| PyObject **handlers; |
| } xmlparseobject; |
| |
| #define CHARACTER_DATA_BUFFER_SIZE 8192 |
| |
| static PyTypeObject Xmlparsetype; |
| |
| typedef void (*xmlhandlersetter)(XML_Parser self, void *meth); |
| typedef void* xmlhandler; |
| |
| struct HandlerInfo { |
| const char *name; |
| xmlhandlersetter setter; |
| xmlhandler handler; |
| PyCodeObject *tb_code; |
| PyObject *nameobj; |
| }; |
| |
| static struct HandlerInfo handler_info[64]; |
| |
| /* Set an integer attribute on the error object; return true on success, |
| * false on an exception. |
| */ |
| static int |
| set_error_attr(PyObject *err, char *name, int value) |
| { |
| PyObject *v = PyLong_FromLong(value); |
| |
| if (v == NULL || PyObject_SetAttrString(err, name, v) == -1) { |
| Py_XDECREF(v); |
| return 0; |
| } |
| Py_DECREF(v); |
| return 1; |
| } |
| |
| /* Build and set an Expat exception, including positioning |
| * information. Always returns NULL. |
| */ |
| static PyObject * |
| set_error(xmlparseobject *self, enum XML_Error code) |
| { |
| PyObject *err; |
| PyObject *buffer; |
| XML_Parser parser = self->itself; |
| int lineno = XML_GetErrorLineNumber(parser); |
| int column = XML_GetErrorColumnNumber(parser); |
| |
| buffer = PyUnicode_FromFormat("%s: line %i, column %i", |
| XML_ErrorString(code), lineno, column); |
| if (buffer == NULL) |
| return NULL; |
| err = PyObject_CallFunction(ErrorObject, "O", buffer); |
| Py_DECREF(buffer); |
| if ( err != NULL |
| && set_error_attr(err, "code", code) |
| && set_error_attr(err, "offset", column) |
| && set_error_attr(err, "lineno", lineno)) { |
| PyErr_SetObject(ErrorObject, err); |
| } |
| Py_XDECREF(err); |
| return NULL; |
| } |
| |
| static int |
| have_handler(xmlparseobject *self, int type) |
| { |
| PyObject *handler = self->handlers[type]; |
| return handler != NULL; |
| } |
| |
| static PyObject * |
| get_handler_name(struct HandlerInfo *hinfo) |
| { |
| PyObject *name = hinfo->nameobj; |
| if (name == NULL) { |
| name = PyUnicode_FromString(hinfo->name); |
| hinfo->nameobj = name; |
| } |
| Py_XINCREF(name); |
| return name; |
| } |
| |
| |
| /* Convert a string of XML_Chars into a Unicode string. |
| Returns None if str is a null pointer. */ |
| |
| static PyObject * |
| conv_string_to_unicode(const XML_Char *str) |
| { |
| /* XXX currently this code assumes that XML_Char is 8-bit, |
| and hence in UTF-8. */ |
| /* UTF-8 from Expat, Unicode desired */ |
| if (str == NULL) { |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| return PyUnicode_DecodeUTF8(str, strlen(str), "strict"); |
| } |
| |
| static PyObject * |
| conv_string_len_to_unicode(const XML_Char *str, int len) |
| { |
| /* XXX currently this code assumes that XML_Char is 8-bit, |
| and hence in UTF-8. */ |
| /* UTF-8 from Expat, Unicode desired */ |
| if (str == NULL) { |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| return PyUnicode_DecodeUTF8((const char *)str, len, "strict"); |
| } |
| |
| /* Callback routines */ |
| |
| static void clear_handlers(xmlparseobject *self, int initial); |
| |
| /* This handler is used when an error has been detected, in the hope |
| that actual parsing can be terminated early. This will only help |
| if an external entity reference is encountered. */ |
| static int |
| error_external_entity_ref_handler(XML_Parser parser, |
| const XML_Char *context, |
| const XML_Char *base, |
| const XML_Char *systemId, |
| const XML_Char *publicId) |
| { |
| return 0; |
| } |
| |
| /* Dummy character data handler used when an error (exception) has |
| been detected, and the actual parsing can be terminated early. |
| This is needed since character data handler can't be safely removed |
| from within the character data handler, but can be replaced. It is |
| used only from the character data handler trampoline, and must be |
| used right after `flag_error()` is called. */ |
| static void |
| noop_character_data_handler(void *userData, const XML_Char *data, int len) |
| { |
| /* Do nothing. */ |
| } |
| |
| static void |
| flag_error(xmlparseobject *self) |
| { |
| clear_handlers(self, 0); |
| XML_SetExternalEntityRefHandler(self->itself, |
| error_external_entity_ref_handler); |
| } |
| |
| static PyCodeObject* |
| getcode(enum HandlerTypes slot, char* func_name, int lineno) |
| { |
| if (handler_info[slot].tb_code == NULL) { |
| handler_info[slot].tb_code = |
| PyCode_NewEmpty(__FILE__, func_name, lineno); |
| } |
| return handler_info[slot].tb_code; |
| } |
| |
| #ifdef FIX_TRACE |
| static int |
| trace_frame(PyThreadState *tstate, PyFrameObject *f, int code, PyObject *val) |
| { |
| int result = 0; |
| if (!tstate->use_tracing || tstate->tracing) |
| return 0; |
| if (tstate->c_profilefunc != NULL) { |
| tstate->tracing++; |
| result = tstate->c_profilefunc(tstate->c_profileobj, |
| f, code , val); |
| tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
| || (tstate->c_profilefunc != NULL)); |
| tstate->tracing--; |
| if (result) |
| return result; |
| } |
| if (tstate->c_tracefunc != NULL) { |
| tstate->tracing++; |
| result = tstate->c_tracefunc(tstate->c_traceobj, |
| f, code , val); |
| tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
| || (tstate->c_profilefunc != NULL)); |
| tstate->tracing--; |
| } |
| return result; |
| } |
| |
| static int |
| trace_frame_exc(PyThreadState *tstate, PyFrameObject *f) |
| { |
| PyObject *type, *value, *traceback, *arg; |
| int err; |
| |
| if (tstate->c_tracefunc == NULL) |
| return 0; |
| |
| PyErr_Fetch(&type, &value, &traceback); |
| if (value == NULL) { |
| value = Py_None; |
| Py_INCREF(value); |
| } |
| arg = PyTuple_Pack(3, type, value, traceback); |
| if (arg == NULL) { |
| PyErr_Restore(type, value, traceback); |
| return 0; |
| } |
| err = trace_frame(tstate, f, PyTrace_EXCEPTION, arg); |
| Py_DECREF(arg); |
| if (err == 0) |
| PyErr_Restore(type, value, traceback); |
| else { |
| Py_XDECREF(type); |
| Py_XDECREF(value); |
| Py_XDECREF(traceback); |
| } |
| return err; |
| } |
| #endif |
| |
| static PyObject* |
| call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args, |
| xmlparseobject *self) |
| { |
| PyThreadState *tstate = PyThreadState_GET(); |
| PyFrameObject *f; |
| PyObject *res, *globals; |
| |
| if (c == NULL) |
| return NULL; |
| |
| globals = PyEval_GetGlobals(); |
| if (globals == NULL) { |
| return NULL; |
| } |
| |
| f = PyFrame_New(tstate, c, globals, NULL); |
| if (f == NULL) |
| return NULL; |
| tstate->frame = f; |
| #ifdef FIX_TRACE |
| if (trace_frame(tstate, f, PyTrace_CALL, Py_None) < 0) { |
| return NULL; |
| } |
| #endif |
| res = PyEval_CallObject(func, args); |
| if (res == NULL) { |
| if (tstate->curexc_traceback == NULL) |
| PyTraceBack_Here(f); |
| XML_StopParser(self->itself, XML_FALSE); |
| #ifdef FIX_TRACE |
| if (trace_frame_exc(tstate, f) < 0) { |
| return NULL; |
| } |
| } |
| else { |
| if (trace_frame(tstate, f, PyTrace_RETURN, res) < 0) { |
| Py_CLEAR(res); |
| } |
| } |
| #else |
| } |
| #endif |
| tstate->frame = f->f_back; |
| Py_DECREF(f); |
| return res; |
| } |
| |
| static PyObject* |
| string_intern(xmlparseobject *self, const char* str) |
| { |
| PyObject *result = conv_string_to_unicode(str); |
| PyObject *value; |
| /* result can be NULL if the unicode conversion failed. */ |
| if (!result) |
| return result; |
| if (!self->intern) |
| return result; |
| value = PyDict_GetItem(self->intern, result); |
| if (!value) { |
| if (PyDict_SetItem(self->intern, result, result) == 0) |
| return result; |
| else |
| return NULL; |
| } |
| Py_INCREF(value); |
| Py_DECREF(result); |
| return value; |
| } |
| |
| /* Return 0 on success, -1 on exception. |
| * flag_error() will be called before return if needed. |
| */ |
| static int |
| call_character_handler(xmlparseobject *self, const XML_Char *buffer, int len) |
| { |
| PyObject *args; |
| PyObject *temp; |
| |
| if (!have_handler(self, CharacterData)) |
| return -1; |
| |
| args = PyTuple_New(1); |
| if (args == NULL) |
| return -1; |
| temp = (conv_string_len_to_unicode(buffer, len)); |
| if (temp == NULL) { |
| Py_DECREF(args); |
| flag_error(self); |
| XML_SetCharacterDataHandler(self->itself, |
| noop_character_data_handler); |
| return -1; |
| } |
| PyTuple_SET_ITEM(args, 0, temp); |
| /* temp is now a borrowed reference; consider it unused. */ |
| self->in_callback = 1; |
| temp = call_with_frame(getcode(CharacterData, "CharacterData", __LINE__), |
| self->handlers[CharacterData], args, self); |
| /* temp is an owned reference again, or NULL */ |
| self->in_callback = 0; |
| Py_DECREF(args); |
| if (temp == NULL) { |
| flag_error(self); |
| XML_SetCharacterDataHandler(self->itself, |
| noop_character_data_handler); |
| return -1; |
| } |
| Py_DECREF(temp); |
| return 0; |
| } |
| |
| static int |
| flush_character_buffer(xmlparseobject *self) |
| { |
| int rc; |
| if (self->buffer == NULL || self->buffer_used == 0) |
| return 0; |
| rc = call_character_handler(self, self->buffer, self->buffer_used); |
| self->buffer_used = 0; |
| return rc; |
| } |
| |
| static void |
| my_CharacterDataHandler(void *userData, const XML_Char *data, int len) |
| { |
| xmlparseobject *self = (xmlparseobject *) userData; |
| |
| if (PyErr_Occurred()) |
| return; |
| |
| if (self->buffer == NULL) |
| call_character_handler(self, data, len); |
| else { |
| if ((self->buffer_used + len) > self->buffer_size) { |
| if (flush_character_buffer(self) < 0) |
| return; |
| /* handler might have changed; drop the rest on the floor |
| * if there isn't a handler anymore |
| */ |
| if (!have_handler(self, CharacterData)) |
| return; |
| } |
| if (len > self->buffer_size) { |
| call_character_handler(self, data, len); |
| self->buffer_used = 0; |
| } |
| else { |
| memcpy(self->buffer + self->buffer_used, |
| data, len * sizeof(XML_Char)); |
| self->buffer_used += len; |
| } |
| } |
| } |
| |
| static void |
| my_StartElementHandler(void *userData, |
| const XML_Char *name, const XML_Char *atts[]) |
| { |
| xmlparseobject *self = (xmlparseobject *)userData; |
| |
| if (have_handler(self, StartElement)) { |
| PyObject *container, *rv, *args; |
| int i, max; |
| |
| if (PyErr_Occurred()) |
| return; |
| |
| if (flush_character_buffer(self) < 0) |
| return; |
| /* Set max to the number of slots filled in atts[]; max/2 is |
| * the number of attributes we need to process. |
| */ |
| if (self->specified_attributes) { |
| max = XML_GetSpecifiedAttributeCount(self->itself); |
| } |
| else { |
| max = 0; |
| while (atts[max] != NULL) |
| max += 2; |
| } |
| /* Build the container. */ |
| if (self->ordered_attributes) |
| container = PyList_New(max); |
| else |
| container = PyDict_New(); |
| if (container == NULL) { |
| flag_error(self); |
| return; |
| } |
| for (i = 0; i < max; i += 2) { |
| PyObject *n = string_intern(self, (XML_Char *) atts[i]); |
| PyObject *v; |
| if (n == NULL) { |
| flag_error(self); |
| Py_DECREF(container); |
| return; |
| } |
| v = conv_string_to_unicode((XML_Char *) atts[i+1]); |
| if (v == NULL) { |
| flag_error(self); |
| Py_DECREF(container); |
| Py_DECREF(n); |
| return; |
| } |
| if (self->ordered_attributes) { |
| PyList_SET_ITEM(container, i, n); |
| PyList_SET_ITEM(container, i+1, v); |
| } |
| else if (PyDict_SetItem(container, n, v)) { |
| flag_error(self); |
| Py_DECREF(n); |
| Py_DECREF(v); |
| return; |
| } |
| else { |
| Py_DECREF(n); |
| Py_DECREF(v); |
| } |
| } |
| args = string_intern(self, name); |
| if (args != NULL) |
| args = Py_BuildValue("(NN)", args, container); |
| if (args == NULL) { |
| Py_DECREF(container); |
| return; |
| } |
| /* Container is now a borrowed reference; ignore it. */ |
| self->in_callback = 1; |
| rv = call_with_frame(getcode(StartElement, "StartElement", __LINE__), |
| self->handlers[StartElement], args, self); |
| self->in_callback = 0; |
| Py_DECREF(args); |
| if (rv == NULL) { |
| flag_error(self); |
| return; |
| } |
| Py_DECREF(rv); |
| } |
| } |
| |
| #define RC_HANDLER(RC, NAME, PARAMS, INIT, PARAM_FORMAT, CONVERSION, \ |
| RETURN, GETUSERDATA) \ |
| static RC \ |
| my_##NAME##Handler PARAMS {\ |
| xmlparseobject *self = GETUSERDATA ; \ |
| PyObject *args = NULL; \ |
| PyObject *rv = NULL; \ |
| INIT \ |
| \ |
| if (have_handler(self, NAME)) { \ |
| if (PyErr_Occurred()) \ |
| return RETURN; \ |
| if (flush_character_buffer(self) < 0) \ |
| return RETURN; \ |
| args = Py_BuildValue PARAM_FORMAT ;\ |
| if (!args) { flag_error(self); return RETURN;} \ |
| self->in_callback = 1; \ |
| rv = call_with_frame(getcode(NAME,#NAME,__LINE__), \ |
| self->handlers[NAME], args, self); \ |
| self->in_callback = 0; \ |
| Py_DECREF(args); \ |
| if (rv == NULL) { \ |
| flag_error(self); \ |
| return RETURN; \ |
| } \ |
| CONVERSION \ |
| Py_DECREF(rv); \ |
| } \ |
| return RETURN; \ |
| } |
| |
| #define VOID_HANDLER(NAME, PARAMS, PARAM_FORMAT) \ |
| RC_HANDLER(void, NAME, PARAMS, ;, PARAM_FORMAT, ;, ;,\ |
| (xmlparseobject *)userData) |
| |
| #define INT_HANDLER(NAME, PARAMS, PARAM_FORMAT)\ |
| RC_HANDLER(int, NAME, PARAMS, int rc=0;, PARAM_FORMAT, \ |
| rc = PyLong_AsLong(rv);, rc, \ |
| (xmlparseobject *)userData) |
| |
| VOID_HANDLER(EndElement, |
| (void *userData, const XML_Char *name), |
| ("(N)", string_intern(self, name))) |
| |
| VOID_HANDLER(ProcessingInstruction, |
| (void *userData, |
| const XML_Char *target, |
| const XML_Char *data), |
| ("(NO&)", string_intern(self, target), conv_string_to_unicode ,data)) |
| |
| VOID_HANDLER(UnparsedEntityDecl, |
| (void *userData, |
| const XML_Char *entityName, |
| const XML_Char *base, |
| const XML_Char *systemId, |
| const XML_Char *publicId, |
| const XML_Char *notationName), |
| ("(NNNNN)", |
| string_intern(self, entityName), string_intern(self, base), |
| string_intern(self, systemId), string_intern(self, publicId), |
| string_intern(self, notationName))) |
| |
| VOID_HANDLER(EntityDecl, |
| (void *userData, |
| const XML_Char *entityName, |
| int is_parameter_entity, |
| const XML_Char *value, |
| int value_length, |
| const XML_Char *base, |
| const XML_Char *systemId, |
| const XML_Char *publicId, |
| const XML_Char *notationName), |
| ("NiNNNNN", |
| string_intern(self, entityName), is_parameter_entity, |
| (conv_string_len_to_unicode(value, value_length)), |
| string_intern(self, base), string_intern(self, systemId), |
| string_intern(self, publicId), |
| string_intern(self, notationName))) |
| |
| VOID_HANDLER(XmlDecl, |
| (void *userData, |
| const XML_Char *version, |
| const XML_Char *encoding, |
| int standalone), |
| ("(O&O&i)", |
| conv_string_to_unicode ,version, conv_string_to_unicode ,encoding, |
| standalone)) |
| |
| static PyObject * |
| conv_content_model(XML_Content * const model, |
| PyObject *(*conv_string)(const XML_Char *)) |
| { |
| PyObject *result = NULL; |
| PyObject *children = PyTuple_New(model->numchildren); |
| int i; |
| |
| if (children != NULL) { |
| assert(model->numchildren < INT_MAX); |
| for (i = 0; i < (int)model->numchildren; ++i) { |
| PyObject *child = conv_content_model(&model->children[i], |
| conv_string); |
| if (child == NULL) { |
| Py_XDECREF(children); |
| return NULL; |
| } |
| PyTuple_SET_ITEM(children, i, child); |
| } |
| result = Py_BuildValue("(iiO&N)", |
| model->type, model->quant, |
| conv_string,model->name, children); |
| } |
| return result; |
| } |
| |
| static void |
| my_ElementDeclHandler(void *userData, |
| const XML_Char *name, |
| XML_Content *model) |
| { |
| xmlparseobject *self = (xmlparseobject *)userData; |
| PyObject *args = NULL; |
| |
| if (have_handler(self, ElementDecl)) { |
| PyObject *rv = NULL; |
| PyObject *modelobj, *nameobj; |
| |
| if (PyErr_Occurred()) |
| return; |
| |
| if (flush_character_buffer(self) < 0) |
| goto finally; |
| modelobj = conv_content_model(model, (conv_string_to_unicode)); |
| if (modelobj == NULL) { |
| flag_error(self); |
| goto finally; |
| } |
| nameobj = string_intern(self, name); |
| if (nameobj == NULL) { |
| Py_DECREF(modelobj); |
| flag_error(self); |
| goto finally; |
| } |
| args = Py_BuildValue("NN", nameobj, modelobj); |
| if (args == NULL) { |
| Py_DECREF(modelobj); |
| flag_error(self); |
| goto finally; |
| } |
| self->in_callback = 1; |
| rv = call_with_frame(getcode(ElementDecl, "ElementDecl", __LINE__), |
| self->handlers[ElementDecl], args, self); |
| self->in_callback = 0; |
| if (rv == NULL) { |
| flag_error(self); |
| goto finally; |
| } |
| Py_DECREF(rv); |
| } |
| finally: |
| Py_XDECREF(args); |
| XML_FreeContentModel(self->itself, model); |
| return; |
| } |
| |
| VOID_HANDLER(AttlistDecl, |
| (void *userData, |
| const XML_Char *elname, |
| const XML_Char *attname, |
| const XML_Char *att_type, |
| const XML_Char *dflt, |
| int isrequired), |
| ("(NNO&O&i)", |
| string_intern(self, elname), string_intern(self, attname), |
| conv_string_to_unicode ,att_type, conv_string_to_unicode ,dflt, |
| isrequired)) |
| |
| #if XML_COMBINED_VERSION >= 19504 |
| VOID_HANDLER(SkippedEntity, |
| (void *userData, |
| const XML_Char *entityName, |
| int is_parameter_entity), |
| ("Ni", |
| string_intern(self, entityName), is_parameter_entity)) |
| #endif |
| |
| VOID_HANDLER(NotationDecl, |
| (void *userData, |
| const XML_Char *notationName, |
| const XML_Char *base, |
| const XML_Char *systemId, |
| const XML_Char *publicId), |
| ("(NNNN)", |
| string_intern(self, notationName), string_intern(self, base), |
| string_intern(self, systemId), string_intern(self, publicId))) |
| |
| VOID_HANDLER(StartNamespaceDecl, |
| (void *userData, |
| const XML_Char *prefix, |
| const XML_Char *uri), |
| ("(NN)", |
| string_intern(self, prefix), string_intern(self, uri))) |
| |
| VOID_HANDLER(EndNamespaceDecl, |
| (void *userData, |
| const XML_Char *prefix), |
| ("(N)", string_intern(self, prefix))) |
| |
| VOID_HANDLER(Comment, |
| (void *userData, const XML_Char *data), |
| ("(O&)", conv_string_to_unicode ,data)) |
| |
| VOID_HANDLER(StartCdataSection, |
| (void *userData), |
| ("()")) |
| |
| VOID_HANDLER(EndCdataSection, |
| (void *userData), |
| ("()")) |
| |
| VOID_HANDLER(Default, |
| (void *userData, const XML_Char *s, int len), |
| ("(N)", (conv_string_len_to_unicode(s,len)))) |
| |
| VOID_HANDLER(DefaultHandlerExpand, |
| (void *userData, const XML_Char *s, int len), |
| ("(N)", (conv_string_len_to_unicode(s,len)))) |
| |
| INT_HANDLER(NotStandalone, |
| (void *userData), |
| ("()")) |
| |
| RC_HANDLER(int, ExternalEntityRef, |
| (XML_Parser parser, |
| const XML_Char *context, |
| const XML_Char *base, |
| const XML_Char *systemId, |
| const XML_Char *publicId), |
| int rc=0;, |
| ("(O&NNN)", |
| conv_string_to_unicode ,context, string_intern(self, base), |
| string_intern(self, systemId), string_intern(self, publicId)), |
| rc = PyLong_AsLong(rv);, rc, |
| XML_GetUserData(parser)) |
| |
| /* XXX UnknownEncodingHandler */ |
| |
| VOID_HANDLER(StartDoctypeDecl, |
| (void *userData, const XML_Char *doctypeName, |
| const XML_Char *sysid, const XML_Char *pubid, |
| int has_internal_subset), |
| ("(NNNi)", string_intern(self, doctypeName), |
| string_intern(self, sysid), string_intern(self, pubid), |
| has_internal_subset)) |
| |
| VOID_HANDLER(EndDoctypeDecl, (void *userData), ("()")) |
| |
| /* ---------------------------------------------------------------- */ |
| /*[clinic input] |
| class pyexpat.xmlparser "xmlparseobject *" "&Xmlparsetype" |
| [clinic start generated code]*/ |
| /*[clinic end generated code: output=da39a3ee5e6b4b0d input=2393162385232e1c]*/ |
| |
| |
| static PyObject * |
| get_parse_result(xmlparseobject *self, int rv) |
| { |
| if (PyErr_Occurred()) { |
| return NULL; |
| } |
| if (rv == 0) { |
| return set_error(self, XML_GetErrorCode(self->itself)); |
| } |
| if (flush_character_buffer(self) < 0) { |
| return NULL; |
| } |
| return PyLong_FromLong(rv); |
| } |
| |
| #define MAX_CHUNK_SIZE (1 << 20) |
| |
| /*[clinic input] |
| pyexpat.xmlparser.Parse |
| |
| data: object |
| isFinal: int = 0 |
| / |
| |
| Parse XML data. |
| |
| `isfinal' should be true at end of input. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_Parse__doc__, |
| "Parse($self, data, isFinal=0, /)\n" |
| "--\n" |
| "\n" |
| "Parse XML data.\n" |
| "\n" |
| "`isfinal\' should be true at end of input."); |
| |
| #define PYEXPAT_XMLPARSER_PARSE_METHODDEF \ |
| {"Parse", (PyCFunction)pyexpat_xmlparser_Parse, METH_VARARGS, pyexpat_xmlparser_Parse__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_Parse_impl(xmlparseobject *self, PyObject *data, int isFinal); |
| |
| static PyObject * |
| pyexpat_xmlparser_Parse(xmlparseobject *self, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| PyObject *data; |
| int isFinal = 0; |
| |
| if (!PyArg_ParseTuple(args, |
| "O|i:Parse", |
| &data, &isFinal)) |
| goto exit; |
| return_value = pyexpat_xmlparser_Parse_impl(self, data, isFinal); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_Parse_impl(xmlparseobject *self, PyObject *data, int isFinal) |
| /*[clinic end generated code: output=65b1652b01f20856 input=e37b81b8948ca7e0]*/ |
| { |
| const char *s; |
| Py_ssize_t slen; |
| Py_buffer view; |
| int rc; |
| |
| if (PyUnicode_Check(data)) { |
| view.buf = NULL; |
| s = PyUnicode_AsUTF8AndSize(data, &slen); |
| if (s == NULL) |
| return NULL; |
| /* Explicitly set UTF-8 encoding. Return code ignored. */ |
| (void)XML_SetEncoding(self->itself, "utf-8"); |
| } |
| else { |
| if (PyObject_GetBuffer(data, &view, PyBUF_SIMPLE) < 0) |
| return NULL; |
| s = view.buf; |
| slen = view.len; |
| } |
| |
| while (slen > MAX_CHUNK_SIZE) { |
| rc = XML_Parse(self->itself, s, MAX_CHUNK_SIZE, 0); |
| if (!rc) |
| goto done; |
| s += MAX_CHUNK_SIZE; |
| slen -= MAX_CHUNK_SIZE; |
| } |
| assert(MAX_CHUNK_SIZE < INT_MAX && slen < INT_MAX); |
| rc = XML_Parse(self->itself, s, (int)slen, isFinal); |
| |
| done: |
| if (view.buf != NULL) |
| PyBuffer_Release(&view); |
| return get_parse_result(self, rc); |
| } |
| |
| /* File reading copied from cPickle */ |
| |
| #define BUF_SIZE 2048 |
| |
| static int |
| readinst(char *buf, int buf_size, PyObject *meth) |
| { |
| PyObject *str; |
| Py_ssize_t len; |
| char *ptr; |
| |
| str = PyObject_CallFunction(meth, "n", buf_size); |
| if (str == NULL) |
| goto error; |
| |
| if (PyBytes_Check(str)) |
| ptr = PyBytes_AS_STRING(str); |
| else if (PyByteArray_Check(str)) |
| ptr = PyByteArray_AS_STRING(str); |
| else { |
| PyErr_Format(PyExc_TypeError, |
| "read() did not return a bytes object (type=%.400s)", |
| Py_TYPE(str)->tp_name); |
| goto error; |
| } |
| len = Py_SIZE(str); |
| if (len > buf_size) { |
| PyErr_Format(PyExc_ValueError, |
| "read() returned too much data: " |
| "%i bytes requested, %zd returned", |
| buf_size, len); |
| goto error; |
| } |
| memcpy(buf, ptr, len); |
| Py_DECREF(str); |
| /* len <= buf_size <= INT_MAX */ |
| return (int)len; |
| |
| error: |
| Py_XDECREF(str); |
| return -1; |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.ParseFile |
| |
| file: object |
| / |
| |
| Parse XML data from file-like object. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_ParseFile__doc__, |
| "ParseFile($self, file, /)\n" |
| "--\n" |
| "\n" |
| "Parse XML data from file-like object."); |
| |
| #define PYEXPAT_XMLPARSER_PARSEFILE_METHODDEF \ |
| {"ParseFile", (PyCFunction)pyexpat_xmlparser_ParseFile, METH_O, pyexpat_xmlparser_ParseFile__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_ParseFile(xmlparseobject *self, PyObject *file) |
| /*[clinic end generated code: output=2e13803c3d8c22b2 input=fbb5a12b6038d735]*/ |
| { |
| int rv = 1; |
| PyObject *readmethod = NULL; |
| _Py_IDENTIFIER(read); |
| |
| readmethod = _PyObject_GetAttrId(file, &PyId_read); |
| if (readmethod == NULL) { |
| PyErr_SetString(PyExc_TypeError, |
| "argument must have 'read' attribute"); |
| return NULL; |
| } |
| for (;;) { |
| int bytes_read; |
| void *buf = XML_GetBuffer(self->itself, BUF_SIZE); |
| if (buf == NULL) { |
| Py_XDECREF(readmethod); |
| return get_parse_result(self, 0); |
| } |
| |
| bytes_read = readinst(buf, BUF_SIZE, readmethod); |
| if (bytes_read < 0) { |
| Py_DECREF(readmethod); |
| return NULL; |
| } |
| rv = XML_ParseBuffer(self->itself, bytes_read, bytes_read == 0); |
| if (PyErr_Occurred()) { |
| Py_XDECREF(readmethod); |
| return NULL; |
| } |
| |
| if (!rv || bytes_read == 0) |
| break; |
| } |
| Py_XDECREF(readmethod); |
| return get_parse_result(self, rv); |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.SetBase |
| |
| base: str |
| / |
| |
| Set the base URL for the parser. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_SetBase__doc__, |
| "SetBase($self, base, /)\n" |
| "--\n" |
| "\n" |
| "Set the base URL for the parser."); |
| |
| #define PYEXPAT_XMLPARSER_SETBASE_METHODDEF \ |
| {"SetBase", (PyCFunction)pyexpat_xmlparser_SetBase, METH_VARARGS, pyexpat_xmlparser_SetBase__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_SetBase_impl(xmlparseobject *self, const char *base); |
| |
| static PyObject * |
| pyexpat_xmlparser_SetBase(xmlparseobject *self, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| const char *base; |
| |
| if (!PyArg_ParseTuple(args, |
| "s:SetBase", |
| &base)) |
| goto exit; |
| return_value = pyexpat_xmlparser_SetBase_impl(self, base); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_SetBase_impl(xmlparseobject *self, const char *base) |
| /*[clinic end generated code: output=5bdb49f6689a5f93 input=c684e5de895ee1a8]*/ |
| { |
| if (!XML_SetBase(self->itself, base)) { |
| return PyErr_NoMemory(); |
| } |
| Py_RETURN_NONE; |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.GetBase |
| |
| Return base URL string for the parser. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_GetBase__doc__, |
| "GetBase($self, /)\n" |
| "--\n" |
| "\n" |
| "Return base URL string for the parser."); |
| |
| #define PYEXPAT_XMLPARSER_GETBASE_METHODDEF \ |
| {"GetBase", (PyCFunction)pyexpat_xmlparser_GetBase, METH_NOARGS, pyexpat_xmlparser_GetBase__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_GetBase_impl(xmlparseobject *self); |
| |
| static PyObject * |
| pyexpat_xmlparser_GetBase(xmlparseobject *self, PyObject *Py_UNUSED(ignored)) |
| { |
| return pyexpat_xmlparser_GetBase_impl(self); |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_GetBase_impl(xmlparseobject *self) |
| /*[clinic end generated code: output=ef6046ee28f2b8ee input=918d71c38009620e]*/ |
| { |
| return Py_BuildValue("z", XML_GetBase(self->itself)); |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.GetInputContext |
| |
| Return the untranslated text of the input that caused the current event. |
| |
| If the event was generated by a large amount of text (such as a start tag |
| for an element with many attributes), not all of the text may be available. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_GetInputContext__doc__, |
| "GetInputContext($self, /)\n" |
| "--\n" |
| "\n" |
| "Return the untranslated text of the input that caused the current event.\n" |
| "\n" |
| "If the event was generated by a large amount of text (such as a start tag\n" |
| "for an element with many attributes), not all of the text may be available."); |
| |
| #define PYEXPAT_XMLPARSER_GETINPUTCONTEXT_METHODDEF \ |
| {"GetInputContext", (PyCFunction)pyexpat_xmlparser_GetInputContext, METH_NOARGS, pyexpat_xmlparser_GetInputContext__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_GetInputContext_impl(xmlparseobject *self); |
| |
| static PyObject * |
| pyexpat_xmlparser_GetInputContext(xmlparseobject *self, PyObject *Py_UNUSED(ignored)) |
| { |
| return pyexpat_xmlparser_GetInputContext_impl(self); |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_GetInputContext_impl(xmlparseobject *self) |
| /*[clinic end generated code: output=62ff03390f074cd2 input=034df8712db68379]*/ |
| { |
| if (self->in_callback) { |
| int offset, size; |
| const char *buffer |
| = XML_GetInputContext(self->itself, &offset, &size); |
| |
| if (buffer != NULL) |
| return PyBytes_FromStringAndSize(buffer + offset, |
| size - offset); |
| else |
| Py_RETURN_NONE; |
| } |
| else |
| Py_RETURN_NONE; |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.ExternalEntityParserCreate |
| |
| context: str(nullable=True) |
| encoding: str = NULL |
| / |
| |
| Create a parser for parsing an external entity based on the information passed to the ExternalEntityRefHandler. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_ExternalEntityParserCreate__doc__, |
| "ExternalEntityParserCreate($self, context, encoding=None, /)\n" |
| "--\n" |
| "\n" |
| "Create a parser for parsing an external entity based on the information passed to the ExternalEntityRefHandler."); |
| |
| #define PYEXPAT_XMLPARSER_EXTERNALENTITYPARSERCREATE_METHODDEF \ |
| {"ExternalEntityParserCreate", (PyCFunction)pyexpat_xmlparser_ExternalEntityParserCreate, METH_VARARGS, pyexpat_xmlparser_ExternalEntityParserCreate__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_ExternalEntityParserCreate_impl(xmlparseobject *self, const char *context, const char *encoding); |
| |
| static PyObject * |
| pyexpat_xmlparser_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| const char *context; |
| const char *encoding = NULL; |
| |
| if (!PyArg_ParseTuple(args, |
| "z|s:ExternalEntityParserCreate", |
| &context, &encoding)) |
| goto exit; |
| return_value = pyexpat_xmlparser_ExternalEntityParserCreate_impl(self, context, encoding); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_ExternalEntityParserCreate_impl(xmlparseobject *self, const char *context, const char *encoding) |
| /*[clinic end generated code: output=4948c35f3dd01133 input=283206575d960272]*/ |
| { |
| xmlparseobject *new_parser; |
| int i; |
| |
| new_parser = PyObject_GC_New(xmlparseobject, &Xmlparsetype); |
| if (new_parser == NULL) |
| return NULL; |
| new_parser->buffer_size = self->buffer_size; |
| new_parser->buffer_used = 0; |
| new_parser->buffer = NULL; |
| new_parser->ordered_attributes = self->ordered_attributes; |
| new_parser->specified_attributes = self->specified_attributes; |
| new_parser->in_callback = 0; |
| new_parser->ns_prefixes = self->ns_prefixes; |
| new_parser->itself = XML_ExternalEntityParserCreate(self->itself, context, |
| encoding); |
| new_parser->handlers = 0; |
| new_parser->intern = self->intern; |
| Py_XINCREF(new_parser->intern); |
| PyObject_GC_Track(new_parser); |
| |
| if (self->buffer != NULL) { |
| new_parser->buffer = PyMem_Malloc(new_parser->buffer_size); |
| if (new_parser->buffer == NULL) { |
| Py_DECREF(new_parser); |
| return PyErr_NoMemory(); |
| } |
| } |
| if (!new_parser->itself) { |
| Py_DECREF(new_parser); |
| return PyErr_NoMemory(); |
| } |
| |
| XML_SetUserData(new_parser->itself, (void *)new_parser); |
| |
| /* allocate and clear handlers first */ |
| for (i = 0; handler_info[i].name != NULL; i++) |
| /* do nothing */; |
| |
| new_parser->handlers = PyMem_Malloc(sizeof(PyObject *) * i); |
| if (!new_parser->handlers) { |
| Py_DECREF(new_parser); |
| return PyErr_NoMemory(); |
| } |
| clear_handlers(new_parser, 1); |
| |
| /* then copy handlers from self */ |
| for (i = 0; handler_info[i].name != NULL; i++) { |
| PyObject *handler = self->handlers[i]; |
| if (handler != NULL) { |
| Py_INCREF(handler); |
| new_parser->handlers[i] = handler; |
| handler_info[i].setter(new_parser->itself, |
| handler_info[i].handler); |
| } |
| } |
| return (PyObject *)new_parser; |
| } |
| |
| /*[clinic input] |
| pyexpat.xmlparser.SetParamEntityParsing |
| |
| flag: int |
| / |
| |
| Controls parsing of parameter entities (including the external DTD subset). |
| |
| Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER, |
| XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and |
| XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag |
| was successful. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_SetParamEntityParsing__doc__, |
| "SetParamEntityParsing($self, flag, /)\n" |
| "--\n" |
| "\n" |
| "Controls parsing of parameter entities (including the external DTD subset).\n" |
| "\n" |
| "Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n" |
| "XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n" |
| "XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n" |
| "was successful."); |
| |
| #define PYEXPAT_XMLPARSER_SETPARAMENTITYPARSING_METHODDEF \ |
| {"SetParamEntityParsing", (PyCFunction)pyexpat_xmlparser_SetParamEntityParsing, METH_VARARGS, pyexpat_xmlparser_SetParamEntityParsing__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_SetParamEntityParsing_impl(xmlparseobject *self, int flag); |
| |
| static PyObject * |
| pyexpat_xmlparser_SetParamEntityParsing(xmlparseobject *self, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| int flag; |
| |
| if (!PyArg_ParseTuple(args, |
| "i:SetParamEntityParsing", |
| &flag)) |
| goto exit; |
| return_value = pyexpat_xmlparser_SetParamEntityParsing_impl(self, flag); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_SetParamEntityParsing_impl(xmlparseobject *self, int flag) |
| /*[clinic end generated code: output=0f820882bc7768cc input=8aea19b4b15e9af1]*/ |
| { |
| flag = XML_SetParamEntityParsing(self->itself, flag); |
| return PyLong_FromLong(flag); |
| } |
| |
| |
| #if XML_COMBINED_VERSION >= 19505 |
| /*[clinic input] |
| pyexpat.xmlparser.UseForeignDTD |
| |
| flag: bool = True |
| / |
| |
| Allows the application to provide an artificial external subset if one is not specified as part of the document instance. |
| |
| This readily allows the use of a 'default' document type controlled by the |
| application, while still getting the advantage of providing document type |
| information to the parser. 'flag' defaults to True if not provided. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser_UseForeignDTD__doc__, |
| "UseForeignDTD($self, flag=True, /)\n" |
| "--\n" |
| "\n" |
| "Allows the application to provide an artificial external subset if one is not specified as part of the document instance.\n" |
| "\n" |
| "This readily allows the use of a \'default\' document type controlled by the\n" |
| "application, while still getting the advantage of providing document type\n" |
| "information to the parser. \'flag\' defaults to True if not provided."); |
| |
| #define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF \ |
| {"UseForeignDTD", (PyCFunction)pyexpat_xmlparser_UseForeignDTD, METH_VARARGS, pyexpat_xmlparser_UseForeignDTD__doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser_UseForeignDTD_impl(xmlparseobject *self, int flag); |
| |
| static PyObject * |
| pyexpat_xmlparser_UseForeignDTD(xmlparseobject *self, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| int flag = 1; |
| |
| if (!PyArg_ParseTuple(args, |
| "|p:UseForeignDTD", |
| &flag)) |
| goto exit; |
| return_value = pyexpat_xmlparser_UseForeignDTD_impl(self, flag); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser_UseForeignDTD_impl(xmlparseobject *self, int flag) |
| /*[clinic end generated code: output=22e924ae6cad67d6 input=78144c519d116a6e]*/ |
| { |
| enum XML_Error rc; |
| |
| rc = XML_UseForeignDTD(self->itself, flag ? XML_TRUE : XML_FALSE); |
| if (rc != XML_ERROR_NONE) { |
| return set_error(self, rc); |
| } |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| #endif |
| |
| /*[clinic input] |
| pyexpat.xmlparser.__dir__ |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_xmlparser___dir____doc__, |
| "__dir__($self, /)\n" |
| "--"); |
| |
| #define PYEXPAT_XMLPARSER___DIR___METHODDEF \ |
| {"__dir__", (PyCFunction)pyexpat_xmlparser___dir__, METH_NOARGS, pyexpat_xmlparser___dir____doc__}, |
| |
| static PyObject * |
| pyexpat_xmlparser___dir___impl(xmlparseobject *self); |
| |
| static PyObject * |
| pyexpat_xmlparser___dir__(xmlparseobject *self, PyObject *Py_UNUSED(ignored)) |
| { |
| return pyexpat_xmlparser___dir___impl(self); |
| } |
| |
| static PyObject * |
| pyexpat_xmlparser___dir___impl(xmlparseobject *self) |
| /*[clinic end generated code: output=1ed6efe83bc304cc input=76aa455f2a661384]*/ |
| { |
| #define APPEND(list, str) \ |
| do { \ |
| PyObject *o = PyUnicode_FromString(str); \ |
| if (o != NULL) \ |
| PyList_Append(list, o); \ |
| Py_XDECREF(o); \ |
| } while (0) |
| |
| int i; |
| PyObject *rc = PyList_New(0); |
| if (!rc) |
| return NULL; |
| for (i = 0; handler_info[i].name != NULL; i++) { |
| PyObject *o = get_handler_name(&handler_info[i]); |
| if (o != NULL) |
| PyList_Append(rc, o); |
| Py_XDECREF(o); |
| } |
| APPEND(rc, "ErrorCode"); |
| APPEND(rc, "ErrorLineNumber"); |
| APPEND(rc, "ErrorColumnNumber"); |
| APPEND(rc, "ErrorByteIndex"); |
| APPEND(rc, "CurrentLineNumber"); |
| APPEND(rc, "CurrentColumnNumber"); |
| APPEND(rc, "CurrentByteIndex"); |
| APPEND(rc, "buffer_size"); |
| APPEND(rc, "buffer_text"); |
| APPEND(rc, "buffer_used"); |
| APPEND(rc, "namespace_prefixes"); |
| APPEND(rc, "ordered_attributes"); |
| APPEND(rc, "specified_attributes"); |
| APPEND(rc, "intern"); |
| |
| #undef APPEND |
| |
| if (PyErr_Occurred()) { |
| Py_DECREF(rc); |
| rc = NULL; |
| } |
| |
| return rc; |
| } |
| |
| static struct PyMethodDef xmlparse_methods[] = { |
| PYEXPAT_XMLPARSER_PARSE_METHODDEF |
| PYEXPAT_XMLPARSER_PARSEFILE_METHODDEF |
| PYEXPAT_XMLPARSER_SETBASE_METHODDEF |
| PYEXPAT_XMLPARSER_GETBASE_METHODDEF |
| PYEXPAT_XMLPARSER_GETINPUTCONTEXT_METHODDEF |
| PYEXPAT_XMLPARSER_EXTERNALENTITYPARSERCREATE_METHODDEF |
| PYEXPAT_XMLPARSER_SETPARAMENTITYPARSING_METHODDEF |
| #if XML_COMBINED_VERSION >= 19505 |
| PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF |
| #endif |
| PYEXPAT_XMLPARSER___DIR___METHODDEF |
| {NULL, NULL} /* sentinel */ |
| }; |
| |
| /* ---------- */ |
| |
| |
| |
| /* pyexpat international encoding support. |
| Make it as simple as possible. |
| */ |
| |
| static int |
| PyUnknownEncodingHandler(void *encodingHandlerData, |
| const XML_Char *name, |
| XML_Encoding *info) |
| { |
| static unsigned char template_buffer[256] = {0}; |
| PyObject* u; |
| int i; |
| void *data; |
| unsigned int kind; |
| |
| if (PyErr_Occurred()) |
| return XML_STATUS_ERROR; |
| |
| if (template_buffer[1] == 0) { |
| for (i = 0; i < 256; i++) |
| template_buffer[i] = i; |
| } |
| |
| u = PyUnicode_Decode((char*) template_buffer, 256, name, "replace"); |
| if (u == NULL || PyUnicode_READY(u)) { |
| Py_XDECREF(u); |
| return XML_STATUS_ERROR; |
| } |
| |
| if (PyUnicode_GET_LENGTH(u) != 256) { |
| Py_DECREF(u); |
| PyErr_SetString(PyExc_ValueError, |
| "multi-byte encodings are not supported"); |
| return XML_STATUS_ERROR; |
| } |
| |
| kind = PyUnicode_KIND(u); |
| data = PyUnicode_DATA(u); |
| for (i = 0; i < 256; i++) { |
| Py_UCS4 ch = PyUnicode_READ(kind, data, i); |
| if (ch != Py_UNICODE_REPLACEMENT_CHARACTER) |
| info->map[i] = ch; |
| else |
| info->map[i] = -1; |
| } |
| |
| info->data = NULL; |
| info->convert = NULL; |
| info->release = NULL; |
| Py_DECREF(u); |
| |
| return XML_STATUS_OK; |
| } |
| |
| |
| static PyObject * |
| newxmlparseobject(char *encoding, char *namespace_separator, PyObject *intern) |
| { |
| int i; |
| xmlparseobject *self; |
| |
| self = PyObject_GC_New(xmlparseobject, &Xmlparsetype); |
| if (self == NULL) |
| return NULL; |
| |
| self->buffer = NULL; |
| self->buffer_size = CHARACTER_DATA_BUFFER_SIZE; |
| self->buffer_used = 0; |
| self->ordered_attributes = 0; |
| self->specified_attributes = 0; |
| self->in_callback = 0; |
| self->ns_prefixes = 0; |
| self->handlers = NULL; |
| self->intern = intern; |
| Py_XINCREF(self->intern); |
| PyObject_GC_Track(self); |
| |
| /* namespace_separator is either NULL or contains one char + \0 */ |
| self->itself = XML_ParserCreate_MM(encoding, &ExpatMemoryHandler, |
| namespace_separator); |
| if (self->itself == NULL) { |
| PyErr_SetString(PyExc_RuntimeError, |
| "XML_ParserCreate failed"); |
| Py_DECREF(self); |
| return NULL; |
| } |
| #if ((XML_MAJOR_VERSION >= 2) && (XML_MINOR_VERSION >= 1)) || defined(XML_HAS_SET_HASH_SALT) |
| /* This feature was added upstream in libexpat 2.1.0. Our expat copy |
| * has a backport of this feature where we also define XML_HAS_SET_HASH_SALT |
| * to indicate that we can still use it. */ |
| XML_SetHashSalt(self->itself, |
| (unsigned long)_Py_HashSecret.expat.hashsalt); |
| #endif |
| XML_SetUserData(self->itself, (void *)self); |
| XML_SetUnknownEncodingHandler(self->itself, |
| (XML_UnknownEncodingHandler) PyUnknownEncodingHandler, NULL); |
| |
| for (i = 0; handler_info[i].name != NULL; i++) |
| /* do nothing */; |
| |
| self->handlers = PyMem_Malloc(sizeof(PyObject *) * i); |
| if (!self->handlers) { |
| Py_DECREF(self); |
| return PyErr_NoMemory(); |
| } |
| clear_handlers(self, 1); |
| |
| return (PyObject*)self; |
| } |
| |
| |
| static void |
| xmlparse_dealloc(xmlparseobject *self) |
| { |
| int i; |
| PyObject_GC_UnTrack(self); |
| if (self->itself != NULL) |
| XML_ParserFree(self->itself); |
| self->itself = NULL; |
| |
| if (self->handlers != NULL) { |
| PyObject *temp; |
| for (i = 0; handler_info[i].name != NULL; i++) { |
| temp = self->handlers[i]; |
| self->handlers[i] = NULL; |
| Py_XDECREF(temp); |
| } |
| PyMem_Free(self->handlers); |
| self->handlers = NULL; |
| } |
| if (self->buffer != NULL) { |
| PyMem_Free(self->buffer); |
| self->buffer = NULL; |
| } |
| Py_XDECREF(self->intern); |
| PyObject_GC_Del(self); |
| } |
| |
| static int |
| handlername2int(PyObject *name) |
| { |
| int i; |
| for (i = 0; handler_info[i].name != NULL; i++) { |
| if (PyUnicode_CompareWithASCIIString( |
| name, handler_info[i].name) == 0) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| static PyObject * |
| get_pybool(int istrue) |
| { |
| PyObject *result = istrue ? Py_True : Py_False; |
| Py_INCREF(result); |
| return result; |
| } |
| |
| static PyObject * |
| xmlparse_getattro(xmlparseobject *self, PyObject *nameobj) |
| { |
| Py_UCS4 first_char; |
| int handlernum = -1; |
| |
| if (!PyUnicode_Check(nameobj)) |
| goto generic; |
| if (PyUnicode_READY(nameobj)) |
| return NULL; |
| |
| handlernum = handlername2int(nameobj); |
| |
| if (handlernum != -1) { |
| PyObject *result = self->handlers[handlernum]; |
| if (result == NULL) |
| result = Py_None; |
| Py_INCREF(result); |
| return result; |
| } |
| |
| first_char = PyUnicode_READ_CHAR(nameobj, 0); |
| if (first_char == 'E') { |
| if (PyUnicode_CompareWithASCIIString(nameobj, "ErrorCode") == 0) |
| return PyLong_FromLong((long) |
| XML_GetErrorCode(self->itself)); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "ErrorLineNumber") == 0) |
| return PyLong_FromLong((long) |
| XML_GetErrorLineNumber(self->itself)); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "ErrorColumnNumber") == 0) |
| return PyLong_FromLong((long) |
| XML_GetErrorColumnNumber(self->itself)); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "ErrorByteIndex") == 0) |
| return PyLong_FromLong((long) |
| XML_GetErrorByteIndex(self->itself)); |
| } |
| if (first_char == 'C') { |
| if (PyUnicode_CompareWithASCIIString(nameobj, "CurrentLineNumber") == 0) |
| return PyLong_FromLong((long) |
| XML_GetCurrentLineNumber(self->itself)); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "CurrentColumnNumber") == 0) |
| return PyLong_FromLong((long) |
| XML_GetCurrentColumnNumber(self->itself)); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "CurrentByteIndex") == 0) |
| return PyLong_FromLong((long) |
| XML_GetCurrentByteIndex(self->itself)); |
| } |
| if (first_char == 'b') { |
| if (PyUnicode_CompareWithASCIIString(nameobj, "buffer_size") == 0) |
| return PyLong_FromLong((long) self->buffer_size); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "buffer_text") == 0) |
| return get_pybool(self->buffer != NULL); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "buffer_used") == 0) |
| return PyLong_FromLong((long) self->buffer_used); |
| } |
| if (PyUnicode_CompareWithASCIIString(nameobj, "namespace_prefixes") == 0) |
| return get_pybool(self->ns_prefixes); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "ordered_attributes") == 0) |
| return get_pybool(self->ordered_attributes); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "specified_attributes") == 0) |
| return get_pybool((long) self->specified_attributes); |
| if (PyUnicode_CompareWithASCIIString(nameobj, "intern") == 0) { |
| if (self->intern == NULL) { |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| else { |
| Py_INCREF(self->intern); |
| return self->intern; |
| } |
| } |
| generic: |
| return PyObject_GenericGetAttr((PyObject*)self, nameobj); |
| } |
| |
| static int |
| sethandler(xmlparseobject *self, PyObject *name, PyObject* v) |
| { |
| int handlernum = handlername2int(name); |
| if (handlernum >= 0) { |
| xmlhandler c_handler = NULL; |
| PyObject *temp = self->handlers[handlernum]; |
| |
| if (v == Py_None) { |
| /* If this is the character data handler, and a character |
| data handler is already active, we need to be more |
| careful. What we can safely do is replace the existing |
| character data handler callback function with a no-op |
| function that will refuse to call Python. The downside |
| is that this doesn't completely remove the character |
| data handler from the C layer if there's any callback |
| active, so Expat does a little more work than it |
| otherwise would, but that's really an odd case. A more |
| elaborate system of handlers and state could remove the |
| C handler more effectively. */ |
| if (handlernum == CharacterData && self->in_callback) |
| c_handler = noop_character_data_handler; |
| v = NULL; |
| } |
| else if (v != NULL) { |
| Py_INCREF(v); |
| c_handler = handler_info[handlernum].handler; |
| } |
| self->handlers[handlernum] = v; |
| Py_XDECREF(temp); |
| handler_info[handlernum].setter(self->itself, c_handler); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int |
| xmlparse_setattro(xmlparseobject *self, PyObject *name, PyObject *v) |
| { |
| /* Set attribute 'name' to value 'v'. v==NULL means delete */ |
| if (v == NULL) { |
| PyErr_SetString(PyExc_RuntimeError, "Cannot delete attribute"); |
| return -1; |
| } |
| assert(PyUnicode_Check(name)); |
| if (PyUnicode_CompareWithASCIIString(name, "buffer_text") == 0) { |
| int b = PyObject_IsTrue(v); |
| if (b < 0) |
| return -1; |
| if (b) { |
| if (self->buffer == NULL) { |
| self->buffer = PyMem_Malloc(self->buffer_size); |
| if (self->buffer == NULL) { |
| PyErr_NoMemory(); |
| return -1; |
| } |
| self->buffer_used = 0; |
| } |
| } |
| else if (self->buffer != NULL) { |
| if (flush_character_buffer(self) < 0) |
| return -1; |
| PyMem_Free(self->buffer); |
| self->buffer = NULL; |
| } |
| return 0; |
| } |
| if (PyUnicode_CompareWithASCIIString(name, "namespace_prefixes") == 0) { |
| int b = PyObject_IsTrue(v); |
| if (b < 0) |
| return -1; |
| self->ns_prefixes = b; |
| XML_SetReturnNSTriplet(self->itself, self->ns_prefixes); |
| return 0; |
| } |
| if (PyUnicode_CompareWithASCIIString(name, "ordered_attributes") == 0) { |
| int b = PyObject_IsTrue(v); |
| if (b < 0) |
| return -1; |
| self->ordered_attributes = b; |
| return 0; |
| } |
| if (PyUnicode_CompareWithASCIIString(name, "specified_attributes") == 0) { |
| int b = PyObject_IsTrue(v); |
| if (b < 0) |
| return -1; |
| self->specified_attributes = b; |
| return 0; |
| } |
| |
| if (PyUnicode_CompareWithASCIIString(name, "buffer_size") == 0) { |
| long new_buffer_size; |
| if (!PyLong_Check(v)) { |
| PyErr_SetString(PyExc_TypeError, "buffer_size must be an integer"); |
| return -1; |
| } |
| |
| new_buffer_size=PyLong_AS_LONG(v); |
| /* trivial case -- no change */ |
| if (new_buffer_size == self->buffer_size) { |
| return 0; |
| } |
| |
| if (new_buffer_size <= 0) { |
| PyErr_SetString(PyExc_ValueError, "buffer_size must be greater than zero"); |
| return -1; |
| } |
| |
| /* check maximum */ |
| if (new_buffer_size > INT_MAX) { |
| char errmsg[100]; |
| sprintf(errmsg, "buffer_size must not be greater than %i", INT_MAX); |
| PyErr_SetString(PyExc_ValueError, errmsg); |
| return -1; |
| } |
| |
| if (self->buffer != NULL) { |
| /* there is already a buffer */ |
| if (self->buffer_used != 0) { |
| if (flush_character_buffer(self) < 0) { |
| return -1; |
| } |
| } |
| /* free existing buffer */ |
| PyMem_Free(self->buffer); |
| } |
| self->buffer = PyMem_Malloc(new_buffer_size); |
| if (self->buffer == NULL) { |
| PyErr_NoMemory(); |
| return -1; |
| } |
| self->buffer_size = new_buffer_size; |
| return 0; |
| } |
| |
| if (PyUnicode_CompareWithASCIIString(name, "CharacterDataHandler") == 0) { |
| /* If we're changing the character data handler, flush all |
| * cached data with the old handler. Not sure there's a |
| * "right" thing to do, though, but this probably won't |
| * happen. |
| */ |
| if (flush_character_buffer(self) < 0) |
| return -1; |
| } |
| if (sethandler(self, name, v)) { |
| return 0; |
| } |
| PyErr_SetObject(PyExc_AttributeError, name); |
| return -1; |
| } |
| |
| static int |
| xmlparse_traverse(xmlparseobject *op, visitproc visit, void *arg) |
| { |
| int i; |
| for (i = 0; handler_info[i].name != NULL; i++) |
| Py_VISIT(op->handlers[i]); |
| return 0; |
| } |
| |
| static int |
| xmlparse_clear(xmlparseobject *op) |
| { |
| clear_handlers(op, 0); |
| Py_CLEAR(op->intern); |
| return 0; |
| } |
| |
| PyDoc_STRVAR(Xmlparsetype__doc__, "XML parser"); |
| |
| static PyTypeObject Xmlparsetype = { |
| PyVarObject_HEAD_INIT(NULL, 0) |
| "pyexpat.xmlparser", /*tp_name*/ |
| sizeof(xmlparseobject), /*tp_basicsize*/ |
| 0, /*tp_itemsize*/ |
| /* methods */ |
| (destructor)xmlparse_dealloc, /*tp_dealloc*/ |
| (printfunc)0, /*tp_print*/ |
| 0, /*tp_getattr*/ |
| 0, /*tp_setattr*/ |
| 0, /*tp_reserved*/ |
| (reprfunc)0, /*tp_repr*/ |
| 0, /*tp_as_number*/ |
| 0, /*tp_as_sequence*/ |
| 0, /*tp_as_mapping*/ |
| (hashfunc)0, /*tp_hash*/ |
| (ternaryfunc)0, /*tp_call*/ |
| (reprfunc)0, /*tp_str*/ |
| (getattrofunc)xmlparse_getattro, /* tp_getattro */ |
| (setattrofunc)xmlparse_setattro, /* tp_setattro */ |
| 0, /* tp_as_buffer */ |
| Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /*tp_flags*/ |
| Xmlparsetype__doc__, /* tp_doc - Documentation string */ |
| (traverseproc)xmlparse_traverse, /* tp_traverse */ |
| (inquiry)xmlparse_clear, /* tp_clear */ |
| 0, /* tp_richcompare */ |
| 0, /* tp_weaklistoffset */ |
| 0, /* tp_iter */ |
| 0, /* tp_iternext */ |
| xmlparse_methods, /* tp_methods */ |
| }; |
| |
| /* End of code for xmlparser objects */ |
| /* -------------------------------------------------------- */ |
| |
| /*[clinic input] |
| pyexpat.ParserCreate |
| |
| encoding: str(nullable=True) = NULL |
| namespace_separator: str(nullable=True) = NULL |
| intern: object = NULL |
| |
| Return a new XML parser object. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_ParserCreate__doc__, |
| "ParserCreate($module, /, encoding=None, namespace_separator=None,\n" |
| " intern=None)\n" |
| "--\n" |
| "\n" |
| "Return a new XML parser object."); |
| |
| #define PYEXPAT_PARSERCREATE_METHODDEF \ |
| {"ParserCreate", (PyCFunction)pyexpat_ParserCreate, METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__}, |
| |
| static PyObject * |
| pyexpat_ParserCreate_impl(PyModuleDef *module, const char *encoding, const char *namespace_separator, PyObject *intern); |
| |
| static PyObject * |
| pyexpat_ParserCreate(PyModuleDef *module, PyObject *args, PyObject *kwargs) |
| { |
| PyObject *return_value = NULL; |
| static char *_keywords[] = {"encoding", "namespace_separator", "intern", NULL}; |
| const char *encoding = NULL; |
| const char *namespace_separator = NULL; |
| PyObject *intern = NULL; |
| |
| if (!PyArg_ParseTupleAndKeywords(args, kwargs, |
| "|zzO:ParserCreate", _keywords, |
| &encoding, &namespace_separator, &intern)) |
| goto exit; |
| return_value = pyexpat_ParserCreate_impl(module, encoding, namespace_separator, intern); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_ParserCreate_impl(PyModuleDef *module, const char *encoding, const char *namespace_separator, PyObject *intern) |
| /*[clinic end generated code: output=4fc027dd33b7a2ac input=71b9f471aa6f8f86]*/ |
| { |
| PyObject *result; |
| int intern_decref = 0; |
| |
| if (namespace_separator != NULL |
| && strlen(namespace_separator) > 1) { |
| PyErr_SetString(PyExc_ValueError, |
| "namespace_separator must be at most one" |
| " character, omitted, or None"); |
| return NULL; |
| } |
| /* Explicitly passing None means no interning is desired. |
| Not passing anything means that a new dictionary is used. */ |
| if (intern == Py_None) |
| intern = NULL; |
| else if (intern == NULL) { |
| intern = PyDict_New(); |
| if (!intern) |
| return NULL; |
| intern_decref = 1; |
| } |
| else if (!PyDict_Check(intern)) { |
| PyErr_SetString(PyExc_TypeError, "intern must be a dictionary"); |
| return NULL; |
| } |
| |
| result = newxmlparseobject((char *)encoding, (char *)namespace_separator, |
| intern); |
| if (intern_decref) { |
| Py_DECREF(intern); |
| } |
| return result; |
| } |
| |
| /*[clinic input] |
| pyexpat.ErrorString |
| |
| code: long |
| / |
| |
| Returns string error for given number. |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(pyexpat_ErrorString__doc__, |
| "ErrorString($module, code, /)\n" |
| "--\n" |
| "\n" |
| "Returns string error for given number."); |
| |
| #define PYEXPAT_ERRORSTRING_METHODDEF \ |
| {"ErrorString", (PyCFunction)pyexpat_ErrorString, METH_VARARGS, pyexpat_ErrorString__doc__}, |
| |
| static PyObject * |
| pyexpat_ErrorString_impl(PyModuleDef *module, long code); |
| |
| static PyObject * |
| pyexpat_ErrorString(PyModuleDef *module, PyObject *args) |
| { |
| PyObject *return_value = NULL; |
| long code; |
| |
| if (!PyArg_ParseTuple(args, |
| "l:ErrorString", |
| &code)) |
| goto exit; |
| return_value = pyexpat_ErrorString_impl(module, code); |
| |
| exit: |
| return return_value; |
| } |
| |
| static PyObject * |
| pyexpat_ErrorString_impl(PyModuleDef *module, long code) |
| /*[clinic end generated code: output=c70f3cd82bfaf067 input=cc67de010d9e62b3]*/ |
| { |
| return Py_BuildValue("z", XML_ErrorString((int)code)); |
| } |
| |
| /* List of methods defined in the module */ |
| |
| static struct PyMethodDef pyexpat_methods[] = { |
| PYEXPAT_PARSERCREATE_METHODDEF |
| PYEXPAT_ERRORSTRING_METHODDEF |
| {NULL, NULL} /* sentinel */ |
| }; |
| |
| /* Module docstring */ |
| |
| PyDoc_STRVAR(pyexpat_module_documentation, |
| "Python wrapper for Expat parser."); |
| |
| /* Initialization function for the module */ |
| |
| #ifndef MODULE_NAME |
| #define MODULE_NAME "pyexpat" |
| #endif |
| |
| #ifndef MODULE_INITFUNC |
| #define MODULE_INITFUNC PyInit_pyexpat |
| #endif |
| |
| #ifndef PyMODINIT_FUNC |
| # ifdef MS_WINDOWS |
| # define PyMODINIT_FUNC __declspec(dllexport) void |
| # else |
| # define PyMODINIT_FUNC void |
| # endif |
| #endif |
| |
| PyMODINIT_FUNC MODULE_INITFUNC(void); /* avoid compiler warnings */ |
| |
| static struct PyModuleDef pyexpatmodule = { |
| PyModuleDef_HEAD_INIT, |
| MODULE_NAME, |
| pyexpat_module_documentation, |
| -1, |
| pyexpat_methods, |
| NULL, |
| NULL, |
| NULL, |
| NULL |
| }; |
| |
| PyMODINIT_FUNC |
| MODULE_INITFUNC(void) |
| { |
| PyObject *m, *d; |
| PyObject *errmod_name = PyUnicode_FromString(MODULE_NAME ".errors"); |
| PyObject *errors_module; |
| PyObject *modelmod_name; |
| PyObject *model_module; |
| PyObject *sys_modules; |
| PyObject *tmpnum, *tmpstr; |
| PyObject *codes_dict; |
| PyObject *rev_codes_dict; |
| int res; |
| static struct PyExpat_CAPI capi; |
| PyObject *capi_object; |
| |
| if (errmod_name == NULL) |
| return NULL; |
| modelmod_name = PyUnicode_FromString(MODULE_NAME ".model"); |
| if (modelmod_name == NULL) |
| return NULL; |
| |
| if (PyType_Ready(&Xmlparsetype) < 0) |
| return NULL; |
| |
| /* Create the module and add the functions */ |
| m = PyModule_Create(&pyexpatmodule); |
| if (m == NULL) |
| return NULL; |
| |
| /* Add some symbolic constants to the module */ |
| if (ErrorObject == NULL) { |
| ErrorObject = PyErr_NewException("xml.parsers.expat.ExpatError", |
| NULL, NULL); |
| if (ErrorObject == NULL) |
| return NULL; |
| } |
| Py_INCREF(ErrorObject); |
| PyModule_AddObject(m, "error", ErrorObject); |
| Py_INCREF(ErrorObject); |
| PyModule_AddObject(m, "ExpatError", ErrorObject); |
| Py_INCREF(&Xmlparsetype); |
| PyModule_AddObject(m, "XMLParserType", (PyObject *) &Xmlparsetype); |
| |
| PyModule_AddStringConstant(m, "EXPAT_VERSION", |
| (char *) XML_ExpatVersion()); |
| { |
| XML_Expat_Version info = XML_ExpatVersionInfo(); |
| PyModule_AddObject(m, "version_info", |
| Py_BuildValue("(iii)", info.major, |
| info.minor, info.micro)); |
| } |
| /* XXX When Expat supports some way of figuring out how it was |
| compiled, this should check and set native_encoding |
| appropriately. |
| */ |
| PyModule_AddStringConstant(m, "native_encoding", "UTF-8"); |
| |
| sys_modules = PySys_GetObject("modules"); |
| d = PyModule_GetDict(m); |
| errors_module = PyDict_GetItem(d, errmod_name); |
| if (errors_module == NULL) { |
| errors_module = PyModule_New(MODULE_NAME ".errors"); |
| if (errors_module != NULL) { |
| PyDict_SetItem(sys_modules, errmod_name, errors_module); |
| /* gives away the reference to errors_module */ |
| PyModule_AddObject(m, "errors", errors_module); |
| } |
| } |
| Py_DECREF(errmod_name); |
| model_module = PyDict_GetItem(d, modelmod_name); |
| if (model_module == NULL) { |
| model_module = PyModule_New(MODULE_NAME ".model"); |
| if (model_module != NULL) { |
| PyDict_SetItem(sys_modules, modelmod_name, model_module); |
| /* gives away the reference to model_module */ |
| PyModule_AddObject(m, "model", model_module); |
| } |
| } |
| Py_DECREF(modelmod_name); |
| if (errors_module == NULL || model_module == NULL) |
| /* Don't core dump later! */ |
| return NULL; |
| |
| #if XML_COMBINED_VERSION > 19505 |
| { |
| const XML_Feature *features = XML_GetFeatureList(); |
| PyObject *list = PyList_New(0); |
| if (list == NULL) |
| /* just ignore it */ |
| PyErr_Clear(); |
| else { |
| int i = 0; |
| for (; features[i].feature != XML_FEATURE_END; ++i) { |
| int ok; |
| PyObject *item = Py_BuildValue("si", features[i].name, |
| features[i].value); |
| if (item == NULL) { |
| Py_DECREF(list); |
| list = NULL; |
| break; |
| } |
| ok = PyList_Append(list, item); |
| Py_DECREF(item); |
| if (ok < 0) { |
| PyErr_Clear(); |
| break; |
| } |
| } |
| if (list != NULL) |
| PyModule_AddObject(m, "features", list); |
| } |
| } |
| #endif |
| |
| codes_dict = PyDict_New(); |
| rev_codes_dict = PyDict_New(); |
| if (codes_dict == NULL || rev_codes_dict == NULL) { |
| Py_XDECREF(codes_dict); |
| Py_XDECREF(rev_codes_dict); |
| return NULL; |
| } |
| |
| #define MYCONST(name) \ |
| if (PyModule_AddStringConstant(errors_module, #name, \ |
| (char *)XML_ErrorString(name)) < 0) \ |
| return NULL; \ |
| tmpnum = PyLong_FromLong(name); \ |
| if (tmpnum == NULL) return NULL; \ |
| res = PyDict_SetItemString(codes_dict, \ |
| XML_ErrorString(name), tmpnum); \ |
| if (res < 0) return NULL; \ |
| tmpstr = PyUnicode_FromString(XML_ErrorString(name)); \ |
| if (tmpstr == NULL) return NULL; \ |
| res = PyDict_SetItem(rev_codes_dict, tmpnum, tmpstr); \ |
| Py_DECREF(tmpstr); \ |
| Py_DECREF(tmpnum); \ |
| if (res < 0) return NULL; \ |
| |
| MYCONST(XML_ERROR_NO_MEMORY); |
| MYCONST(XML_ERROR_SYNTAX); |
| MYCONST(XML_ERROR_NO_ELEMENTS); |
| MYCONST(XML_ERROR_INVALID_TOKEN); |
| MYCONST(XML_ERROR_UNCLOSED_TOKEN); |
| MYCONST(XML_ERROR_PARTIAL_CHAR); |
| MYCONST(XML_ERROR_TAG_MISMATCH); |
| MYCONST(XML_ERROR_DUPLICATE_ATTRIBUTE); |
| MYCONST(XML_ERROR_JUNK_AFTER_DOC_ELEMENT); |
| MYCONST(XML_ERROR_PARAM_ENTITY_REF); |
| MYCONST(XML_ERROR_UNDEFINED_ENTITY); |
| MYCONST(XML_ERROR_RECURSIVE_ENTITY_REF); |
| MYCONST(XML_ERROR_ASYNC_ENTITY); |
| MYCONST(XML_ERROR_BAD_CHAR_REF); |
| MYCONST(XML_ERROR_BINARY_ENTITY_REF); |
| MYCONST(XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF); |
| MYCONST(XML_ERROR_MISPLACED_XML_PI); |
| MYCONST(XML_ERROR_UNKNOWN_ENCODING); |
| MYCONST(XML_ERROR_INCORRECT_ENCODING); |
| MYCONST(XML_ERROR_UNCLOSED_CDATA_SECTION); |
| MYCONST(XML_ERROR_EXTERNAL_ENTITY_HANDLING); |
| MYCONST(XML_ERROR_NOT_STANDALONE); |
| MYCONST(XML_ERROR_UNEXPECTED_STATE); |
| MYCONST(XML_ERROR_ENTITY_DECLARED_IN_PE); |
| MYCONST(XML_ERROR_FEATURE_REQUIRES_XML_DTD); |
| MYCONST(XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING); |
| /* Added in Expat 1.95.7. */ |
| MYCONST(XML_ERROR_UNBOUND_PREFIX); |
| /* Added in Expat 1.95.8. */ |
| MYCONST(XML_ERROR_UNDECLARING_PREFIX); |
| MYCONST(XML_ERROR_INCOMPLETE_PE); |
| MYCONST(XML_ERROR_XML_DECL); |
| MYCONST(XML_ERROR_TEXT_DECL); |
| MYCONST(XML_ERROR_PUBLICID); |
| MYCONST(XML_ERROR_SUSPENDED); |
| MYCONST(XML_ERROR_NOT_SUSPENDED); |
| MYCONST(XML_ERROR_ABORTED); |
| MYCONST(XML_ERROR_FINISHED); |
| MYCONST(XML_ERROR_SUSPEND_PE); |
| |
| if (PyModule_AddStringConstant(errors_module, "__doc__", |
| "Constants used to describe " |
| "error conditions.") < 0) |
| return NULL; |
| |
| if (PyModule_AddObject(errors_module, "codes", codes_dict) < 0) |
| return NULL; |
| if (PyModule_AddObject(errors_module, "messages", rev_codes_dict) < 0) |
| return NULL; |
| |
| #undef MYCONST |
| |
| #define MYCONST(c) PyModule_AddIntConstant(m, #c, c) |
| MYCONST(XML_PARAM_ENTITY_PARSING_NEVER); |
| MYCONST(XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE); |
| MYCONST(XML_PARAM_ENTITY_PARSING_ALWAYS); |
| #undef MYCONST |
| |
| #define MYCONST(c) PyModule_AddIntConstant(model_module, #c, c) |
| PyModule_AddStringConstant(model_module, "__doc__", |
| "Constants used to interpret content model information."); |
| |
| MYCONST(XML_CTYPE_EMPTY); |
| MYCONST(XML_CTYPE_ANY); |
| MYCONST(XML_CTYPE_MIXED); |
| MYCONST(XML_CTYPE_NAME); |
| MYCONST(XML_CTYPE_CHOICE); |
| MYCONST(XML_CTYPE_SEQ); |
| |
| MYCONST(XML_CQUANT_NONE); |
| MYCONST(XML_CQUANT_OPT); |
| MYCONST(XML_CQUANT_REP); |
| MYCONST(XML_CQUANT_PLUS); |
| #undef MYCONST |
| |
| /* initialize pyexpat dispatch table */ |
| capi.size = sizeof(capi); |
| capi.magic = PyExpat_CAPI_MAGIC; |
| capi.MAJOR_VERSION = XML_MAJOR_VERSION; |
| capi.MINOR_VERSION = XML_MINOR_VERSION; |
| capi.MICRO_VERSION = XML_MICRO_VERSION; |
| capi.ErrorString = XML_ErrorString; |
| capi.GetErrorCode = XML_GetErrorCode; |
| capi.GetErrorColumnNumber = XML_GetErrorColumnNumber; |
| capi.GetErrorLineNumber = XML_GetErrorLineNumber; |
| capi.Parse = XML_Parse; |
| capi.ParserCreate_MM = XML_ParserCreate_MM; |
| capi.ParserFree = XML_ParserFree; |
| capi.SetCharacterDataHandler = XML_SetCharacterDataHandler; |
| capi.SetCommentHandler = XML_SetCommentHandler; |
| capi.SetDefaultHandlerExpand = XML_SetDefaultHandlerExpand; |
| capi.SetElementHandler = XML_SetElementHandler; |
| capi.SetNamespaceDeclHandler = XML_SetNamespaceDeclHandler; |
| capi.SetProcessingInstructionHandler = XML_SetProcessingInstructionHandler; |
| capi.SetUnknownEncodingHandler = XML_SetUnknownEncodingHandler; |
| capi.SetUserData = XML_SetUserData; |
| capi.SetStartDoctypeDeclHandler = XML_SetStartDoctypeDeclHandler; |
| capi.SetEncoding = XML_SetEncoding; |
| capi.DefaultUnknownEncodingHandler = PyUnknownEncodingHandler; |
| |
| /* export using capsule */ |
| capi_object = PyCapsule_New(&capi, PyExpat_CAPSULE_NAME, NULL); |
| if (capi_object) |
| PyModule_AddObject(m, "expat_CAPI", capi_object); |
| return m; |
| } |
| |
| static void |
| clear_handlers(xmlparseobject *self, int initial) |
| { |
| int i = 0; |
| PyObject *temp; |
| |
| for (; handler_info[i].name != NULL; i++) { |
| if (initial) |
| self->handlers[i] = NULL; |
| else { |
| temp = self->handlers[i]; |
| self->handlers[i] = NULL; |
| Py_XDECREF(temp); |
| handler_info[i].setter(self->itself, NULL); |
| } |
| } |
| } |
| |
| static struct HandlerInfo handler_info[] = { |
| {"StartElementHandler", |
| (xmlhandlersetter)XML_SetStartElementHandler, |
| (xmlhandler)my_StartElementHandler}, |
| {"EndElementHandler", |
| (xmlhandlersetter)XML_SetEndElementHandler, |
| (xmlhandler)my_EndElementHandler}, |
| {"ProcessingInstructionHandler", |
| (xmlhandlersetter)XML_SetProcessingInstructionHandler, |
| (xmlhandler)my_ProcessingInstructionHandler}, |
| {"CharacterDataHandler", |
| (xmlhandlersetter)XML_SetCharacterDataHandler, |
| (xmlhandler)my_CharacterDataHandler}, |
| {"UnparsedEntityDeclHandler", |
| (xmlhandlersetter)XML_SetUnparsedEntityDeclHandler, |
| (xmlhandler)my_UnparsedEntityDeclHandler}, |
| {"NotationDeclHandler", |
| (xmlhandlersetter)XML_SetNotationDeclHandler, |
| (xmlhandler)my_NotationDeclHandler}, |
| {"StartNamespaceDeclHandler", |
| (xmlhandlersetter)XML_SetStartNamespaceDeclHandler, |
| (xmlhandler)my_StartNamespaceDeclHandler}, |
| {"EndNamespaceDeclHandler", |
| (xmlhandlersetter)XML_SetEndNamespaceDeclHandler, |
| (xmlhandler)my_EndNamespaceDeclHandler}, |
| {"CommentHandler", |
| (xmlhandlersetter)XML_SetCommentHandler, |
| (xmlhandler)my_CommentHandler}, |
| {"StartCdataSectionHandler", |
| (xmlhandlersetter)XML_SetStartCdataSectionHandler, |
| (xmlhandler)my_StartCdataSectionHandler}, |
| {"EndCdataSectionHandler", |
| (xmlhandlersetter)XML_SetEndCdataSectionHandler, |
| (xmlhandler)my_EndCdataSectionHandler}, |
| {"DefaultHandler", |
| (xmlhandlersetter)XML_SetDefaultHandler, |
| (xmlhandler)my_DefaultHandler}, |
| {"DefaultHandlerExpand", |
| (xmlhandlersetter)XML_SetDefaultHandlerExpand, |
| (xmlhandler)my_DefaultHandlerExpandHandler}, |
| {"NotStandaloneHandler", |
| (xmlhandlersetter)XML_SetNotStandaloneHandler, |
| (xmlhandler)my_NotStandaloneHandler}, |
| {"ExternalEntityRefHandler", |
| (xmlhandlersetter)XML_SetExternalEntityRefHandler, |
| (xmlhandler)my_ExternalEntityRefHandler}, |
| {"StartDoctypeDeclHandler", |
| (xmlhandlersetter)XML_SetStartDoctypeDeclHandler, |
| (xmlhandler)my_StartDoctypeDeclHandler}, |
| {"EndDoctypeDeclHandler", |
| (xmlhandlersetter)XML_SetEndDoctypeDeclHandler, |
| (xmlhandler)my_EndDoctypeDeclHandler}, |
| {"EntityDeclHandler", |
| (xmlhandlersetter)XML_SetEntityDeclHandler, |
| (xmlhandler)my_EntityDeclHandler}, |
| {"XmlDeclHandler", |
| (xmlhandlersetter)XML_SetXmlDeclHandler, |
| (xmlhandler)my_XmlDeclHandler}, |
| {"ElementDeclHandler", |
| (xmlhandlersetter)XML_SetElementDeclHandler, |
| (xmlhandler)my_ElementDeclHandler}, |
| {"AttlistDeclHandler", |
| (xmlhandlersetter)XML_SetAttlistDeclHandler, |
| (xmlhandler)my_AttlistDeclHandler}, |
| #if XML_COMBINED_VERSION >= 19504 |
| {"SkippedEntityHandler", |
| (xmlhandlersetter)XML_SetSkippedEntityHandler, |
| (xmlhandler)my_SkippedEntityHandler}, |
| #endif |
| |
| {NULL, NULL, NULL} /* sentinel */ |
| }; |
| |
| /*[clinic input] |
| dump buffer |
| [clinic start generated code]*/ |
| |
| #ifndef PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF |
| #define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF |
| #endif /* !defined(PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF) */ |
| /*[clinic end generated code: output=a7880cb78bbd58ce input=524ce2e021e4eba6]*/ |