mirror of https://github.com/python/cpython
2377 lines
72 KiB
C
2377 lines
72 KiB
C
#include "Python.h"
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#include <ctype.h>
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#include "frameobject.h"
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#include "expat.h"
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#include "pyexpat.h"
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/* Do not emit Clinic output to a file as that wreaks havoc with conditionally
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included methods. */
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/*[clinic input]
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module pyexpat
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[clinic start generated code]*/
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/*[clinic end generated code: output=da39a3ee5e6b4b0d input=b168d503a4490c15]*/
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#define XML_COMBINED_VERSION (10000*XML_MAJOR_VERSION+100*XML_MINOR_VERSION+XML_MICRO_VERSION)
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#define FIX_TRACE
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static XML_Memory_Handling_Suite ExpatMemoryHandler = {
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PyObject_Malloc, PyObject_Realloc, PyObject_Free};
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enum HandlerTypes {
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StartElement,
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EndElement,
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ProcessingInstruction,
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CharacterData,
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UnparsedEntityDecl,
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NotationDecl,
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StartNamespaceDecl,
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EndNamespaceDecl,
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Comment,
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StartCdataSection,
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EndCdataSection,
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Default,
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DefaultHandlerExpand,
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NotStandalone,
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ExternalEntityRef,
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StartDoctypeDecl,
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EndDoctypeDecl,
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EntityDecl,
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XmlDecl,
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ElementDecl,
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AttlistDecl,
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#if XML_COMBINED_VERSION >= 19504
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SkippedEntity,
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#endif
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_DummyDecl
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};
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static PyObject *ErrorObject;
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/* ----------------------------------------------------- */
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/* Declarations for objects of type xmlparser */
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typedef struct {
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PyObject_HEAD
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XML_Parser itself;
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int ordered_attributes; /* Return attributes as a list. */
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int specified_attributes; /* Report only specified attributes. */
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int in_callback; /* Is a callback active? */
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int ns_prefixes; /* Namespace-triplets mode? */
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XML_Char *buffer; /* Buffer used when accumulating characters */
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/* NULL if not enabled */
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int buffer_size; /* Size of buffer, in XML_Char units */
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int buffer_used; /* Buffer units in use */
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PyObject *intern; /* Dictionary to intern strings */
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PyObject **handlers;
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} xmlparseobject;
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#define CHARACTER_DATA_BUFFER_SIZE 8192
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static PyTypeObject Xmlparsetype;
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typedef void (*xmlhandlersetter)(XML_Parser self, void *meth);
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typedef void* xmlhandler;
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struct HandlerInfo {
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const char *name;
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xmlhandlersetter setter;
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xmlhandler handler;
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PyCodeObject *tb_code;
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PyObject *nameobj;
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};
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static struct HandlerInfo handler_info[64];
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/* Set an integer attribute on the error object; return true on success,
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* false on an exception.
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*/
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static int
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set_error_attr(PyObject *err, char *name, int value)
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{
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PyObject *v = PyLong_FromLong(value);
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if (v == NULL || PyObject_SetAttrString(err, name, v) == -1) {
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Py_XDECREF(v);
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return 0;
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}
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Py_DECREF(v);
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return 1;
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}
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/* Build and set an Expat exception, including positioning
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* information. Always returns NULL.
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*/
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static PyObject *
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set_error(xmlparseobject *self, enum XML_Error code)
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{
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PyObject *err;
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PyObject *buffer;
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XML_Parser parser = self->itself;
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int lineno = XML_GetErrorLineNumber(parser);
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int column = XML_GetErrorColumnNumber(parser);
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buffer = PyUnicode_FromFormat("%s: line %i, column %i",
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XML_ErrorString(code), lineno, column);
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if (buffer == NULL)
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return NULL;
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err = PyObject_CallFunction(ErrorObject, "O", buffer);
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Py_DECREF(buffer);
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if ( err != NULL
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&& set_error_attr(err, "code", code)
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&& set_error_attr(err, "offset", column)
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&& set_error_attr(err, "lineno", lineno)) {
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PyErr_SetObject(ErrorObject, err);
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}
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Py_XDECREF(err);
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return NULL;
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}
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static int
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have_handler(xmlparseobject *self, int type)
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{
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PyObject *handler = self->handlers[type];
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return handler != NULL;
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}
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static PyObject *
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get_handler_name(struct HandlerInfo *hinfo)
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{
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PyObject *name = hinfo->nameobj;
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if (name == NULL) {
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name = PyUnicode_FromString(hinfo->name);
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hinfo->nameobj = name;
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}
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Py_XINCREF(name);
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return name;
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}
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/* Convert a string of XML_Chars into a Unicode string.
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Returns None if str is a null pointer. */
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static PyObject *
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conv_string_to_unicode(const XML_Char *str)
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{
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/* XXX currently this code assumes that XML_Char is 8-bit,
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and hence in UTF-8. */
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/* UTF-8 from Expat, Unicode desired */
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if (str == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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return PyUnicode_DecodeUTF8(str, strlen(str), "strict");
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}
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static PyObject *
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conv_string_len_to_unicode(const XML_Char *str, int len)
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{
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/* XXX currently this code assumes that XML_Char is 8-bit,
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and hence in UTF-8. */
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/* UTF-8 from Expat, Unicode desired */
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if (str == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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return PyUnicode_DecodeUTF8((const char *)str, len, "strict");
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}
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/* Callback routines */
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static void clear_handlers(xmlparseobject *self, int initial);
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/* This handler is used when an error has been detected, in the hope
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that actual parsing can be terminated early. This will only help
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if an external entity reference is encountered. */
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static int
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error_external_entity_ref_handler(XML_Parser parser,
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const XML_Char *context,
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const XML_Char *base,
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const XML_Char *systemId,
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const XML_Char *publicId)
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{
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return 0;
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}
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/* Dummy character data handler used when an error (exception) has
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been detected, and the actual parsing can be terminated early.
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This is needed since character data handler can't be safely removed
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from within the character data handler, but can be replaced. It is
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used only from the character data handler trampoline, and must be
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used right after `flag_error()` is called. */
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static void
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noop_character_data_handler(void *userData, const XML_Char *data, int len)
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{
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/* Do nothing. */
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}
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static void
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flag_error(xmlparseobject *self)
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{
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clear_handlers(self, 0);
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XML_SetExternalEntityRefHandler(self->itself,
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error_external_entity_ref_handler);
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}
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static PyCodeObject*
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getcode(enum HandlerTypes slot, char* func_name, int lineno)
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{
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if (handler_info[slot].tb_code == NULL) {
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handler_info[slot].tb_code =
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PyCode_NewEmpty(__FILE__, func_name, lineno);
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}
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return handler_info[slot].tb_code;
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}
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#ifdef FIX_TRACE
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static int
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trace_frame(PyThreadState *tstate, PyFrameObject *f, int code, PyObject *val)
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{
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int result = 0;
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if (!tstate->use_tracing || tstate->tracing)
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return 0;
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if (tstate->c_profilefunc != NULL) {
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tstate->tracing++;
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result = tstate->c_profilefunc(tstate->c_profileobj,
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f, code , val);
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tstate->use_tracing = ((tstate->c_tracefunc != NULL)
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|| (tstate->c_profilefunc != NULL));
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tstate->tracing--;
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if (result)
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return result;
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}
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if (tstate->c_tracefunc != NULL) {
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tstate->tracing++;
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result = tstate->c_tracefunc(tstate->c_traceobj,
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f, code , val);
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tstate->use_tracing = ((tstate->c_tracefunc != NULL)
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|| (tstate->c_profilefunc != NULL));
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tstate->tracing--;
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}
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return result;
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}
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static int
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trace_frame_exc(PyThreadState *tstate, PyFrameObject *f)
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{
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PyObject *type, *value, *traceback, *arg;
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int err;
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if (tstate->c_tracefunc == NULL)
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return 0;
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PyErr_Fetch(&type, &value, &traceback);
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if (value == NULL) {
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value = Py_None;
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Py_INCREF(value);
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}
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arg = PyTuple_Pack(3, type, value, traceback);
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if (arg == NULL) {
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PyErr_Restore(type, value, traceback);
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return 0;
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}
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err = trace_frame(tstate, f, PyTrace_EXCEPTION, arg);
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Py_DECREF(arg);
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if (err == 0)
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PyErr_Restore(type, value, traceback);
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else {
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Py_XDECREF(type);
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Py_XDECREF(value);
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Py_XDECREF(traceback);
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}
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return err;
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}
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#endif
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static PyObject*
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call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args,
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xmlparseobject *self)
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{
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PyThreadState *tstate = PyThreadState_GET();
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PyFrameObject *f;
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PyObject *res, *globals;
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if (c == NULL)
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return NULL;
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globals = PyEval_GetGlobals();
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if (globals == NULL) {
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return NULL;
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}
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f = PyFrame_New(tstate, c, globals, NULL);
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if (f == NULL)
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return NULL;
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tstate->frame = f;
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#ifdef FIX_TRACE
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if (trace_frame(tstate, f, PyTrace_CALL, Py_None) < 0) {
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return NULL;
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}
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#endif
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res = PyEval_CallObject(func, args);
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if (res == NULL) {
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if (tstate->curexc_traceback == NULL)
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PyTraceBack_Here(f);
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XML_StopParser(self->itself, XML_FALSE);
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#ifdef FIX_TRACE
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if (trace_frame_exc(tstate, f) < 0) {
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return NULL;
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}
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}
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else {
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if (trace_frame(tstate, f, PyTrace_RETURN, res) < 0) {
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Py_CLEAR(res);
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}
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}
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#else
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}
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#endif
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tstate->frame = f->f_back;
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Py_DECREF(f);
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return res;
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}
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static PyObject*
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string_intern(xmlparseobject *self, const char* str)
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{
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PyObject *result = conv_string_to_unicode(str);
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PyObject *value;
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/* result can be NULL if the unicode conversion failed. */
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if (!result)
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return result;
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if (!self->intern)
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return result;
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value = PyDict_GetItem(self->intern, result);
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if (!value) {
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if (PyDict_SetItem(self->intern, result, result) == 0)
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return result;
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else
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return NULL;
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}
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Py_INCREF(value);
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Py_DECREF(result);
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return value;
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}
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/* Return 0 on success, -1 on exception.
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* flag_error() will be called before return if needed.
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*/
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static int
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call_character_handler(xmlparseobject *self, const XML_Char *buffer, int len)
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{
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PyObject *args;
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PyObject *temp;
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if (!have_handler(self, CharacterData))
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return -1;
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args = PyTuple_New(1);
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if (args == NULL)
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return -1;
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temp = (conv_string_len_to_unicode(buffer, len));
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if (temp == NULL) {
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Py_DECREF(args);
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flag_error(self);
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XML_SetCharacterDataHandler(self->itself,
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noop_character_data_handler);
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return -1;
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}
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PyTuple_SET_ITEM(args, 0, temp);
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/* temp is now a borrowed reference; consider it unused. */
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self->in_callback = 1;
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temp = call_with_frame(getcode(CharacterData, "CharacterData", __LINE__),
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self->handlers[CharacterData], args, self);
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/* temp is an owned reference again, or NULL */
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self->in_callback = 0;
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Py_DECREF(args);
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if (temp == NULL) {
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flag_error(self);
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XML_SetCharacterDataHandler(self->itself,
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noop_character_data_handler);
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return -1;
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}
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Py_DECREF(temp);
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return 0;
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}
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static int
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flush_character_buffer(xmlparseobject *self)
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{
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int rc;
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if (self->buffer == NULL || self->buffer_used == 0)
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return 0;
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rc = call_character_handler(self, self->buffer, self->buffer_used);
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self->buffer_used = 0;
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return rc;
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}
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static void
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my_CharacterDataHandler(void *userData, const XML_Char *data, int len)
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{
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xmlparseobject *self = (xmlparseobject *) userData;
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if (PyErr_Occurred())
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return;
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if (self->buffer == NULL)
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call_character_handler(self, data, len);
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else {
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if ((self->buffer_used + len) > self->buffer_size) {
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if (flush_character_buffer(self) < 0)
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return;
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/* handler might have changed; drop the rest on the floor
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* if there isn't a handler anymore
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*/
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if (!have_handler(self, CharacterData))
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return;
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}
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if (len > self->buffer_size) {
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call_character_handler(self, data, len);
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self->buffer_used = 0;
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}
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else {
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memcpy(self->buffer + self->buffer_used,
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data, len * sizeof(XML_Char));
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self->buffer_used += len;
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}
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}
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}
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static void
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my_StartElementHandler(void *userData,
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const XML_Char *name, const XML_Char *atts[])
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{
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xmlparseobject *self = (xmlparseobject *)userData;
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if (have_handler(self, StartElement)) {
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PyObject *container, *rv, *args;
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int i, max;
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if (PyErr_Occurred())
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return;
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if (flush_character_buffer(self) < 0)
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return;
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/* Set max to the number of slots filled in atts[]; max/2 is
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* the number of attributes we need to process.
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*/
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if (self->specified_attributes) {
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max = XML_GetSpecifiedAttributeCount(self->itself);
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}
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else {
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max = 0;
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while (atts[max] != NULL)
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max += 2;
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}
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/* Build the container. */
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if (self->ordered_attributes)
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container = PyList_New(max);
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else
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container = PyDict_New();
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if (container == NULL) {
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flag_error(self);
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return;
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}
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for (i = 0; i < max; i += 2) {
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PyObject *n = string_intern(self, (XML_Char *) atts[i]);
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PyObject *v;
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if (n == NULL) {
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flag_error(self);
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Py_DECREF(container);
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return;
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}
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v = conv_string_to_unicode((XML_Char *) atts[i+1]);
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if (v == NULL) {
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flag_error(self);
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Py_DECREF(container);
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Py_DECREF(n);
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return;
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}
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if (self->ordered_attributes) {
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PyList_SET_ITEM(container, i, n);
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PyList_SET_ITEM(container, i+1, v);
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}
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else if (PyDict_SetItem(container, n, v)) {
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flag_error(self);
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Py_DECREF(n);
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Py_DECREF(v);
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return;
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}
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else {
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Py_DECREF(n);
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Py_DECREF(v);
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}
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}
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args = string_intern(self, name);
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if (args != NULL)
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args = Py_BuildValue("(NN)", args, container);
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if (args == NULL) {
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Py_DECREF(container);
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return;
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}
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/* Container is now a borrowed reference; ignore it. */
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self->in_callback = 1;
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rv = call_with_frame(getcode(StartElement, "StartElement", __LINE__),
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self->handlers[StartElement], args, self);
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self->in_callback = 0;
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Py_DECREF(args);
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if (rv == NULL) {
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flag_error(self);
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return;
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}
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Py_DECREF(rv);
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}
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}
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#define RC_HANDLER(RC, NAME, PARAMS, INIT, PARAM_FORMAT, CONVERSION, \
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RETURN, GETUSERDATA) \
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static RC \
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my_##NAME##Handler PARAMS {\
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xmlparseobject *self = GETUSERDATA ; \
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PyObject *args = NULL; \
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PyObject *rv = NULL; \
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INIT \
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\
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if (have_handler(self, NAME)) { \
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if (PyErr_Occurred()) \
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return RETURN; \
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if (flush_character_buffer(self) < 0) \
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return RETURN; \
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args = Py_BuildValue PARAM_FORMAT ;\
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if (!args) { flag_error(self); return RETURN;} \
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self->in_callback = 1; \
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rv = call_with_frame(getcode(NAME,#NAME,__LINE__), \
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self->handlers[NAME], args, self); \
|
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self->in_callback = 0; \
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Py_DECREF(args); \
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if (rv == NULL) { \
|
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flag_error(self); \
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return RETURN; \
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} \
|
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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]*/
|