1034 lines
27 KiB
C
1034 lines
27 KiB
C
/***********************************************************
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Copyright 2000 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Copyright (c) 2000, BeOpen.com.
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Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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All rights reserved.
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See the file "Misc/COPYRIGHT" for information on usage and
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redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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******************************************************************/
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#include "Python.h"
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#include "xmlparse.h"
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/*
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** The version number should match the one in _checkversion
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*/
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#define VERSION "1.9"
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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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};
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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 returns_unicode; /* True if Unicode strings are returned;
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if false, UTF-8 strings are returned */
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PyObject **handlers;
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} xmlparseobject;
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staticforward 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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};
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staticforward struct HandlerInfo handler_info[];
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/* Convert an array of attributes and their values into a Python dict */
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static PyObject *conv_atts_using_string( XML_Char **atts){
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PyObject *attrs_obj=NULL;
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XML_Char **attrs_p, **attrs_k;
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int attrs_len;
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PyObject *rv;
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if( (attrs_obj = PyDict_New()) == NULL )
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goto finally;
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for(attrs_len=0, attrs_p = atts;
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*attrs_p;
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attrs_p++, attrs_len++) {
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if (attrs_len%2) {
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rv=PyString_FromString(*attrs_p);
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if (! rv) {
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Py_DECREF(attrs_obj);
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attrs_obj=NULL;
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goto finally;
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}
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if (PyDict_SetItemString(
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attrs_obj,
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(char*)*attrs_k, rv) < 0){
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Py_DECREF(attrs_obj);
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attrs_obj=NULL;
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goto finally;
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}
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Py_DECREF(rv);
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}
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else attrs_k=attrs_p;
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}
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finally:
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return attrs_obj;
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}
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#if !(PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6)
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static PyObject *conv_atts_using_unicode( XML_Char **atts){
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PyObject *attrs_obj=NULL;
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XML_Char **attrs_p, **attrs_k;
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int attrs_len;
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if( (attrs_obj = PyDict_New()) == NULL )
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goto finally;
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for(attrs_len=0, attrs_p = atts;
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*attrs_p;
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attrs_p++, attrs_len++) {
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if (attrs_len%2) {
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PyObject *attr_str, *value_str;
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const char *p = (const char *) (*attrs_k);
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attr_str=PyUnicode_DecodeUTF8(p, strlen(p), "strict");
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if (! attr_str) {
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Py_DECREF(attrs_obj);
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attrs_obj=NULL;
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goto finally;
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}
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p = (const char *) *attrs_p;
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value_str=PyUnicode_DecodeUTF8(p, strlen(p), "strict");
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if (! value_str) {
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Py_DECREF(attrs_obj);
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Py_DECREF(attr_str);
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attrs_obj=NULL;
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goto finally;
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}
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if (PyDict_SetItem(attrs_obj, attr_str, value_str) < 0) {
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Py_DECREF(attrs_obj);
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attrs_obj=NULL;
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goto finally;
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}
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Py_DECREF(attr_str);
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Py_DECREF(value_str);
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}
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else attrs_k=attrs_p;
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}
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finally:
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return attrs_obj;
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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 *conv_string_to_unicode( XML_Char *str ) {
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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) {Py_INCREF(Py_None); return Py_None;}
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return PyUnicode_DecodeUTF8( (const char *)str,
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strlen( (const char *)str ),
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"strict" );
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}
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static PyObject *conv_string_len_to_unicode( const XML_Char *str, int len ) {
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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) {Py_INCREF(Py_None); return Py_None;}
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return PyUnicode_DecodeUTF8( (const char *)str,
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len,
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"strict" );
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}
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#endif
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/* Convert a string of XML_Chars into an 8-bit Python string.
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Returns None if str is a null pointer. */
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static PyObject *conv_string_to_utf8( XML_Char *str ) {
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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, UTF-8 desired */
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if (str == NULL) {Py_INCREF(Py_None); return Py_None;}
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return PyString_FromString( (const char *)str );
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}
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static PyObject *conv_string_len_to_utf8( const XML_Char *str,
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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, UTF-8 desired */
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if (str == NULL) {Py_INCREF(Py_None); return Py_None;}
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return PyString_FromStringAndSize( (const char *)str, len );
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}
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/* Callback routines */
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static void clear_handlers( xmlparseobject *self );
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static void flag_error( xmlparseobject *self ){
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clear_handlers(self);
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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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\
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static RC 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 (self->handlers[NAME] \
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&& self->handlers[NAME] != Py_None) { \
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args = Py_BuildValue PARAM_FORMAT ;\
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if (!args) return RETURN; \
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rv = PyEval_CallObject(self->handlers[NAME], args); \
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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 \
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Py_DECREF(rv); \
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} \
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return RETURN; \
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}
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#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
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#define STRING_CONV_FUNC conv_string_to_utf8
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#else
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/* Python 1.6 and later versions */
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#define STRING_CONV_FUNC (self->returns_unicode \
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? conv_string_to_unicode : conv_string_to_utf8)
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#endif
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#define VOID_HANDLER( NAME, PARAMS, PARAM_FORMAT ) \
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RC_HANDLER( void, NAME, PARAMS, ;, PARAM_FORMAT, ;, ;,\
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(xmlparseobject *)userData )
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#define INT_HANDLER( NAME, PARAMS, PARAM_FORMAT )\
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RC_HANDLER( int, NAME, PARAMS, int rc=0;, PARAM_FORMAT, \
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rc = PyInt_AsLong( rv );, rc, \
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(xmlparseobject *)userData )
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#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
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VOID_HANDLER( StartElement,
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(void *userData, const XML_Char *name, const XML_Char **atts ),
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("(O&O&)", STRING_CONV_FUNC, name,
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conv_atts_using_string, atts ) )
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#else
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/* Python 1.6 and later */
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VOID_HANDLER( StartElement,
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(void *userData, const XML_Char *name, const XML_Char **atts ),
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("(O&O&)", STRING_CONV_FUNC, name,
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(self->returns_unicode
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? conv_atts_using_unicode
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: conv_atts_using_string), atts ) )
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#endif
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VOID_HANDLER( EndElement,
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(void *userData, const XML_Char *name ),
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("(O&)", STRING_CONV_FUNC, name) )
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VOID_HANDLER( ProcessingInstruction,
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(void *userData,
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const XML_Char *target,
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const XML_Char *data),
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("(O&O&)",STRING_CONV_FUNC,target, STRING_CONV_FUNC,data ))
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#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
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VOID_HANDLER( CharacterData,
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(void *userData, const XML_Char *data, int len),
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("(O)", conv_string_len_to_utf8(data,len) ) )
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#else
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VOID_HANDLER( CharacterData,
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(void *userData, const XML_Char *data, int len),
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("(O)", (self->returns_unicode
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? conv_string_len_to_unicode(data,len)
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: conv_string_len_to_utf8(data,len) ) ) )
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#endif
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VOID_HANDLER( UnparsedEntityDecl,
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(void *userData,
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const XML_Char *entityName,
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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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const XML_Char *notationName),
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("(O&O&O&O&O&)",
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STRING_CONV_FUNC,entityName, STRING_CONV_FUNC,base,
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STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId,
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STRING_CONV_FUNC,notationName))
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VOID_HANDLER( NotationDecl,
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(void *userData,
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const XML_Char *notationName,
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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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("(O&O&O&O&)",
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STRING_CONV_FUNC,notationName, STRING_CONV_FUNC,base,
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STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId))
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VOID_HANDLER( StartNamespaceDecl,
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(void *userData,
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const XML_Char *prefix,
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const XML_Char *uri),
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("(O&O&)", STRING_CONV_FUNC,prefix, STRING_CONV_FUNC,uri ))
|
|
|
|
VOID_HANDLER( EndNamespaceDecl,
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(void *userData,
|
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const XML_Char *prefix),
|
|
("(O&)", STRING_CONV_FUNC,prefix ))
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|
VOID_HANDLER( Comment,
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|
(void *userData, const XML_Char *prefix),
|
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("(O&)", STRING_CONV_FUNC,prefix))
|
|
|
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VOID_HANDLER( StartCdataSection,
|
|
(void *userData),
|
|
("()" ))
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|
|
|
VOID_HANDLER( EndCdataSection,
|
|
(void *userData),
|
|
("()" ))
|
|
|
|
#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
|
|
VOID_HANDLER( Default,
|
|
(void *userData, const XML_Char *s, int len),
|
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("(O)", conv_string_len_to_utf8(s,len) ) )
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|
|
|
VOID_HANDLER( DefaultHandlerExpand,
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(void *userData, const XML_Char *s, int len),
|
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("(O)", conv_string_len_to_utf8(s,len) ) )
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|
#else
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VOID_HANDLER( Default,
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|
(void *userData, const XML_Char *s, int len),
|
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("(O)", (self->returns_unicode
|
|
? conv_string_len_to_unicode(s,len)
|
|
: conv_string_len_to_utf8(s,len) ) ) )
|
|
|
|
VOID_HANDLER( DefaultHandlerExpand,
|
|
(void *userData, const XML_Char *s, int len),
|
|
("(O)", (self->returns_unicode
|
|
? conv_string_len_to_unicode(s,len)
|
|
: conv_string_len_to_utf8(s,len) ) ) )
|
|
#endif
|
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|
|
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&O&O&O&)",
|
|
STRING_CONV_FUNC,context, STRING_CONV_FUNC,base,
|
|
STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId ),
|
|
rc = PyInt_AsLong( rv );, rc,
|
|
XML_GetUserData( parser ) )
|
|
|
|
|
|
|
|
/* File reading copied from cPickle */
|
|
|
|
#define UNLESS(E) if (!(E))
|
|
|
|
/*
|
|
static int
|
|
read_other(xmlparseobject *self, char **s, int n) {
|
|
PyObject *bytes=NULL, *str=NULL, *arg=NULL;
|
|
int res = -1;
|
|
|
|
UNLESS(bytes = PyInt_FromLong(n)) {
|
|
if (!PyErr_Occurred())
|
|
PyErr_SetNone(PyExc_EOFError);
|
|
|
|
goto finally;
|
|
}
|
|
|
|
UNLESS(arg)
|
|
UNLESS(arg = PyTuple_New(1))
|
|
goto finally;
|
|
|
|
Py_INCREF(bytes);
|
|
if (PyTuple_SetItem(arg, 0, bytes) < 0)
|
|
goto finally;
|
|
|
|
UNLESS(str = PyObject_CallObject(self->read, arg))
|
|
goto finally;
|
|
|
|
*s = PyString_AsString(str);
|
|
|
|
res = n;
|
|
|
|
finally:
|
|
Py_XDECREF(arg);
|
|
Py_XDECREF(bytes);
|
|
|
|
return res;
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
/* ---------------------------------------------------------------- */
|
|
|
|
static char xmlparse_Parse__doc__[] =
|
|
"(data [,isfinal]) - Parse XML data"
|
|
;
|
|
|
|
static PyObject *
|
|
xmlparse_Parse( xmlparseobject *self, PyObject *args )
|
|
{
|
|
char *s;
|
|
int slen;
|
|
int isFinal = 0;
|
|
int rv;
|
|
|
|
if (!PyArg_ParseTuple(args, "s#|i", &s, &slen, &isFinal))
|
|
return NULL;
|
|
rv = XML_Parse(self->itself, s, slen, isFinal);
|
|
if( PyErr_Occurred() ){
|
|
return NULL;
|
|
}
|
|
else if (rv == 0) {
|
|
PyErr_Format(ErrorObject, "%.200s: line %i, column %i",
|
|
XML_ErrorString( XML_GetErrorCode(self->itself) ),
|
|
XML_GetErrorLineNumber(self->itself),
|
|
XML_GetErrorColumnNumber(self->itself) );
|
|
return NULL;
|
|
}
|
|
|
|
return Py_BuildValue("i", rv);
|
|
}
|
|
|
|
#define BUF_SIZE 2048
|
|
|
|
int readinst(char *buf, int buf_size, PyObject *meth){
|
|
PyObject *arg=NULL;
|
|
PyObject *bytes=NULL;
|
|
PyObject *str=NULL;
|
|
int len;
|
|
|
|
UNLESS(bytes = PyInt_FromLong(buf_size)) {
|
|
if (!PyErr_Occurred())
|
|
PyErr_SetNone(PyExc_EOFError);
|
|
goto finally;
|
|
}
|
|
|
|
UNLESS(arg)
|
|
UNLESS(arg = PyTuple_New(1))
|
|
goto finally;
|
|
|
|
Py_INCREF(bytes);
|
|
if (PyTuple_SetItem(arg, 0, bytes) < 0)
|
|
goto finally;
|
|
|
|
UNLESS(str = PyObject_CallObject(meth, arg))
|
|
goto finally;
|
|
|
|
UNLESS(PyString_Check( str ))
|
|
goto finally;
|
|
|
|
len=PyString_GET_SIZE( str );
|
|
strncpy( buf, PyString_AsString(str), len );
|
|
Py_XDECREF( str );
|
|
finally:
|
|
return len;
|
|
}
|
|
|
|
static char xmlparse_ParseFile__doc__[] =
|
|
"(file) - Parse XML data"
|
|
;
|
|
|
|
static PyObject *
|
|
xmlparse_ParseFile( xmlparseobject *self, PyObject *args )
|
|
{
|
|
int rv=1;
|
|
PyObject *f;
|
|
FILE *fp;
|
|
PyObject *readmethod=NULL;
|
|
|
|
if (!PyArg_ParseTuple(args, "O", &f))
|
|
return NULL;
|
|
|
|
if (PyFile_Check(f)) {
|
|
fp = PyFile_AsFile(f);
|
|
}else{
|
|
fp = NULL;
|
|
UNLESS(readmethod = PyObject_GetAttrString(f, "read")) {
|
|
PyErr_Clear();
|
|
PyErr_SetString( PyExc_TypeError,
|
|
"argument must have 'read' attribute" );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
int bytes_read;
|
|
void *buf = XML_GetBuffer(self->itself, BUF_SIZE);
|
|
if (buf == NULL) {
|
|
PyErr_SetString(PyExc_MemoryError, "out of memory");
|
|
return NULL;
|
|
}
|
|
|
|
if( fp ){
|
|
bytes_read=fread( buf, sizeof( char ), BUF_SIZE, fp);
|
|
}else{
|
|
bytes_read=readinst( buf, BUF_SIZE, readmethod );
|
|
}
|
|
|
|
if (bytes_read < 0) {
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
|
return NULL;
|
|
}
|
|
rv=XML_ParseBuffer(self->itself, bytes_read, bytes_read == 0);
|
|
if( PyErr_Occurred() ){
|
|
return NULL;
|
|
}
|
|
if (!rv || bytes_read == 0)
|
|
break;
|
|
}
|
|
|
|
return Py_BuildValue("i", rv);
|
|
}
|
|
|
|
static char xmlparse_SetBase__doc__[] =
|
|
"(base_url) - Base URL string"
|
|
;
|
|
|
|
static PyObject *
|
|
xmlparse_SetBase( xmlparseobject *self, PyObject *args ){
|
|
char *base;
|
|
|
|
if (!PyArg_ParseTuple(args, "s", &base))
|
|
return NULL;
|
|
if( !XML_SetBase( self->itself, base ) ){
|
|
PyErr_SetNone(PyExc_MemoryError);
|
|
return NULL;
|
|
}
|
|
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static char xmlparse_GetBase__doc__[] =
|
|
"() - returns base URL string "
|
|
;
|
|
|
|
static PyObject *
|
|
xmlparse_GetBase( xmlparseobject *self, PyObject *args ){
|
|
const XML_Char *base;
|
|
PyObject *rc;
|
|
|
|
if( PyTuple_Size( args )!=0 ){
|
|
PyArg_ParseTuple(args, "()" ); /* get good error reporting */
|
|
return NULL;
|
|
}
|
|
base=XML_GetBase( self->itself );
|
|
if( base ){
|
|
rc=Py_BuildValue("s", base);
|
|
}else{
|
|
Py_INCREF(Py_None);
|
|
rc=Py_None;
|
|
}
|
|
return rc;
|
|
|
|
}
|
|
|
|
static struct PyMethodDef xmlparse_methods[] = {
|
|
{"Parse", (PyCFunction)xmlparse_Parse,
|
|
METH_VARARGS, xmlparse_Parse__doc__},
|
|
{"ParseFile", (PyCFunction)xmlparse_ParseFile,
|
|
METH_VARARGS, xmlparse_ParseFile__doc__},
|
|
{"SetBase", (PyCFunction)xmlparse_SetBase,
|
|
METH_VARARGS, xmlparse_SetBase__doc__},
|
|
{"GetBase", (PyCFunction)xmlparse_GetBase,
|
|
METH_VARARGS, xmlparse_GetBase__doc__},
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
/* ---------- */
|
|
|
|
|
|
static xmlparseobject *
|
|
newxmlparseobject( char *encoding, char *namespace_separator){
|
|
int i;
|
|
xmlparseobject *self;
|
|
|
|
#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
|
|
self = PyObject_NEW(xmlparseobject, &Xmlparsetype);
|
|
if (self == NULL)
|
|
return NULL;
|
|
|
|
self->returns_unicode = 0;
|
|
#else
|
|
/* Code for versions 1.6 and later */
|
|
self = PyObject_New(xmlparseobject, &Xmlparsetype);
|
|
if (self == NULL)
|
|
return NULL;
|
|
|
|
self->returns_unicode = 1;
|
|
#endif
|
|
if (namespace_separator) {
|
|
self->itself = XML_ParserCreateNS(encoding,
|
|
*namespace_separator);
|
|
}else{
|
|
self->itself = XML_ParserCreate(encoding);
|
|
}
|
|
|
|
if( self->itself==NULL ){
|
|
PyErr_SetString(PyExc_RuntimeError,
|
|
"XML_ParserCreate failed");
|
|
Py_DECREF(self);
|
|
return NULL;
|
|
}
|
|
|
|
XML_SetUserData(self->itself, (void *)self);
|
|
|
|
for( i=0; handler_info[i].name!=NULL;i++);
|
|
|
|
self->handlers=malloc( sizeof( PyObject *)*i );
|
|
|
|
clear_handlers( self );
|
|
|
|
return self;
|
|
}
|
|
|
|
|
|
static void
|
|
xmlparse_dealloc( xmlparseobject *self )
|
|
{
|
|
int i;
|
|
if (self->itself)
|
|
XML_ParserFree(self->itself);
|
|
self->itself = NULL;
|
|
|
|
for( i=0; handler_info[i].name!=NULL; i++ ){
|
|
Py_XDECREF( self->handlers[i] );
|
|
}
|
|
#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
|
|
/* Code for versions before 1.6 */
|
|
free(self);
|
|
#else
|
|
/* Code for versions 1.6 and later */
|
|
PyObject_Del(self);
|
|
#endif
|
|
}
|
|
|
|
static int handlername2int( const char *name ){
|
|
int i;
|
|
for( i=0;handler_info[i].name!=NULL;i++){
|
|
if( strcmp( name, handler_info[i].name )==0 ){
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static PyObject *
|
|
xmlparse_getattr(xmlparseobject *self, char *name)
|
|
{
|
|
int handlernum;
|
|
if (strcmp(name, "ErrorCode") == 0)
|
|
return Py_BuildValue("l",
|
|
(long)XML_GetErrorCode(self->itself));
|
|
if (strcmp(name, "ErrorLineNumber") == 0)
|
|
return Py_BuildValue("l",
|
|
(long)XML_GetErrorLineNumber(self->itself));
|
|
if (strcmp(name, "ErrorColumnNumber") == 0)
|
|
return Py_BuildValue("l",
|
|
(long)XML_GetErrorColumnNumber(self->itself));
|
|
if (strcmp(name, "ErrorByteIndex") == 0)
|
|
return Py_BuildValue("l",
|
|
XML_GetErrorByteIndex(self->itself));
|
|
if (strcmp(name, "returns_unicode") == 0)
|
|
return Py_BuildValue("i", self->returns_unicode);
|
|
|
|
handlernum=handlername2int( name );
|
|
|
|
if( handlernum!=-1 && self->handlers[handlernum]!=NULL){
|
|
Py_INCREF( self->handlers[handlernum] );
|
|
return self->handlers[handlernum];
|
|
}
|
|
|
|
if (strcmp(name, "__members__") == 0){
|
|
int i;
|
|
PyObject *rc=PyList_New(0);
|
|
for(i=0; handler_info[i].name!=NULL;i++ ){
|
|
PyList_Append( rc,
|
|
PyString_FromString( handler_info[i].name ) );
|
|
}
|
|
PyList_Append( rc, PyString_FromString( "ErrorCode" ));
|
|
PyList_Append( rc, PyString_FromString( "ErrorLineNumber" ));
|
|
PyList_Append( rc, PyString_FromString( "ErrorColumnNumber"));
|
|
PyList_Append( rc, PyString_FromString( "ErrorByteIndex" ));
|
|
|
|
return rc;
|
|
}
|
|
|
|
return Py_FindMethod(xmlparse_methods, (PyObject *)self, name);
|
|
}
|
|
|
|
static int sethandler( xmlparseobject *self, const char *name, PyObject* v ){
|
|
int handlernum = handlername2int( name );
|
|
if( handlernum!=-1 ){
|
|
Py_INCREF( v );
|
|
Py_XDECREF( self->handlers[handlernum] );
|
|
self->handlers[handlernum]=v;
|
|
handler_info[handlernum].setter( self->itself,
|
|
handler_info[handlernum].handler );
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xmlparse_setattr( xmlparseobject *self, char *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;
|
|
}
|
|
|
|
if (strcmp(name, "returns_unicode") == 0) {
|
|
PyObject *intobj = PyNumber_Int(v);
|
|
if (intobj == NULL) return -1;
|
|
if (PyInt_AsLong(intobj)) {
|
|
#if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6
|
|
PyErr_SetString(PyExc_ValueError,
|
|
"Cannot return Unicode strings in Python 1.5");
|
|
return -1;
|
|
#else
|
|
self->returns_unicode = 1;
|
|
#endif
|
|
}
|
|
else self->returns_unicode = 0;
|
|
Py_DECREF(intobj);
|
|
return 0;
|
|
}
|
|
if( sethandler( self, name, v ) ){
|
|
return 0;
|
|
}
|
|
|
|
PyErr_SetString( PyExc_AttributeError, name );
|
|
return -1;
|
|
}
|
|
|
|
static char Xmlparsetype__doc__[] =
|
|
"XML parser"
|
|
;
|
|
|
|
static PyTypeObject Xmlparsetype = {
|
|
PyObject_HEAD_INIT(NULL)
|
|
0, /*ob_size*/
|
|
"xmlparser", /*tp_name*/
|
|
sizeof(xmlparseobject), /*tp_basicsize*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
(destructor)xmlparse_dealloc, /*tp_dealloc*/
|
|
(printfunc)0, /*tp_print*/
|
|
(getattrfunc)xmlparse_getattr, /*tp_getattr*/
|
|
(setattrfunc)xmlparse_setattr, /*tp_setattr*/
|
|
(cmpfunc)0, /*tp_compare*/
|
|
(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*/
|
|
|
|
/* Space for future expansion */
|
|
0L,0L,0L,0L,
|
|
Xmlparsetype__doc__ /* Documentation string */
|
|
};
|
|
|
|
/* End of code for xmlparser objects */
|
|
/* -------------------------------------------------------- */
|
|
|
|
|
|
static char pyexpat_ParserCreate__doc__[] =
|
|
"([encoding, namespace_separator]) - Return a new XML parser object"
|
|
;
|
|
|
|
static PyObject *
|
|
pyexpat_ParserCreate(PyObject *notused, PyObject *args, PyObject *kw) {
|
|
char *encoding = NULL, *namespace_separator=NULL;
|
|
static char *kwlist[] = {"encoding", "namespace_separator", NULL};
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kw, "|zz", kwlist,
|
|
&encoding, &namespace_separator))
|
|
return NULL;
|
|
return (PyObject *)newxmlparseobject(encoding, namespace_separator);
|
|
}
|
|
|
|
static char pyexpat_ErrorString__doc__[] =
|
|
"(errno) Returns string error for given number"
|
|
;
|
|
|
|
static PyObject *
|
|
pyexpat_ErrorString(self, args)
|
|
PyObject *self; /* Not used */
|
|
PyObject *args;
|
|
{
|
|
long code;
|
|
|
|
if (!PyArg_ParseTuple(args, "l", &code))
|
|
return NULL;
|
|
return Py_BuildValue("z", XML_ErrorString((int)code));
|
|
}
|
|
|
|
/* List of methods defined in the module */
|
|
|
|
static struct PyMethodDef pyexpat_methods[] = {
|
|
{"ParserCreate", (PyCFunction)pyexpat_ParserCreate,
|
|
METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__},
|
|
{"ErrorString", (PyCFunction)pyexpat_ErrorString,
|
|
METH_VARARGS, pyexpat_ErrorString__doc__},
|
|
|
|
{NULL, (PyCFunction)NULL, 0, NULL} /* sentinel */
|
|
};
|
|
|
|
/* Module docstring */
|
|
|
|
static char pyexpat_module_documentation[] =
|
|
"Python wrapper for Expat parser."
|
|
;
|
|
|
|
/* Initialization function for the module */
|
|
|
|
void
|
|
initpyexpat(){
|
|
PyObject *m, *d;
|
|
char *rev="$Revision$";
|
|
PyObject *errors_module, *errors_dict;
|
|
|
|
Xmlparsetype.ob_type = &PyType_Type;
|
|
|
|
/* Create the module and add the functions */
|
|
m = Py_InitModule4("pyexpat", pyexpat_methods,
|
|
pyexpat_module_documentation,
|
|
(PyObject*)NULL,PYTHON_API_VERSION);
|
|
|
|
/* Add some symbolic constants to the module */
|
|
d = PyModule_GetDict(m);
|
|
ErrorObject = PyString_FromString("pyexpat.error");
|
|
PyDict_SetItemString(d, "error", ErrorObject);
|
|
|
|
PyDict_SetItemString(d,"__version__",
|
|
PyString_FromStringAndSize(rev+11,
|
|
strlen(rev+11)-2));
|
|
|
|
errors_module=PyModule_New( "errors" );
|
|
PyDict_SetItemString(d,"errors", errors_module );
|
|
|
|
/* XXX When Expat supports some way of figuring out how it was
|
|
compiled, this should check and set native_encoding
|
|
appropriately.
|
|
*/
|
|
PyDict_SetItemString(d, "native_encoding",
|
|
PyString_FromString("UTF-8") );
|
|
|
|
errors_dict=PyModule_GetDict( errors_module );
|
|
|
|
#define MYCONST(name) \
|
|
PyDict_SetItemString(errors_dict, #name, \
|
|
PyString_FromString( XML_ErrorString(name)))
|
|
|
|
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);
|
|
|
|
/* Check for errors */
|
|
if (PyErr_Occurred())
|
|
Py_FatalError("can't initialize module pyexpat");
|
|
}
|
|
|
|
void clear_handlers( xmlparseobject *self ){
|
|
int i=0;
|
|
|
|
for( i=0;handler_info[i].name!=NULL;i++ ){
|
|
self->handlers[i]=NULL;
|
|
handler_info[i].setter( self->itself, NULL );
|
|
}
|
|
}
|
|
|
|
typedef void (*pairsetter)( XML_Parser, void *handler1, void *handler2 );
|
|
|
|
void pyxml_UpdatePairedHandlers( xmlparseobject *self,
|
|
int startHandler,
|
|
int endHandler,
|
|
pairsetter setter){
|
|
void *start_handler=NULL;
|
|
void *end_handler=NULL;
|
|
|
|
if( self->handlers[startHandler] &&
|
|
self->handlers[endHandler]!=Py_None ){
|
|
start_handler=handler_info[startHandler].handler;
|
|
}
|
|
if( self->handlers[EndElement] &&
|
|
self->handlers[EndElement] !=Py_None ){
|
|
end_handler=handler_info[endHandler].handler;
|
|
}
|
|
|
|
setter(self->itself,
|
|
start_handler,
|
|
end_handler);
|
|
}
|
|
|
|
void pyxml_SetStartElementHandler( XML_Parser *parser,
|
|
void *junk){
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartElement, EndElement,
|
|
(pairsetter)XML_SetElementHandler);
|
|
}
|
|
|
|
void pyxml_SetEndElementHandler( XML_Parser *parser,
|
|
void *junk){
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartElement, EndElement,
|
|
(pairsetter)XML_SetElementHandler);
|
|
}
|
|
|
|
void pyxml_SetStartNamespaceDeclHandler( XML_Parser *parser,
|
|
void *junk){
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartNamespaceDecl, EndNamespaceDecl,
|
|
(pairsetter)XML_SetNamespaceDeclHandler);
|
|
}
|
|
|
|
void pyxml_SetEndNamespaceDeclHandler( XML_Parser *parser,
|
|
void *junk){
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartNamespaceDecl, EndNamespaceDecl,
|
|
(pairsetter)XML_SetNamespaceDeclHandler);
|
|
}
|
|
|
|
void pyxml_SetStartCdataSection( XML_Parser *parser,
|
|
void *junk){
|
|
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartCdataSection, EndCdataSection,
|
|
(pairsetter)XML_SetCdataSectionHandler);
|
|
}
|
|
|
|
void pyxml_SetEndCdataSection( XML_Parser *parser,
|
|
void *junk){
|
|
pyxml_UpdatePairedHandlers(
|
|
(xmlparseobject *)XML_GetUserData( parser ),
|
|
StartCdataSection, EndCdataSection,
|
|
(pairsetter)XML_SetCdataSectionHandler);
|
|
}
|
|
|
|
statichere struct HandlerInfo handler_info[]=
|
|
{{"StartElementHandler",
|
|
pyxml_SetStartElementHandler,
|
|
my_StartElementHandler},
|
|
{"EndElementHandler",
|
|
pyxml_SetEndElementHandler,
|
|
my_EndElementHandler},
|
|
{"ProcessingInstructionHandler",
|
|
(xmlhandlersetter)XML_SetProcessingInstructionHandler,
|
|
my_ProcessingInstructionHandler},
|
|
{"CharacterDataHandler",
|
|
(xmlhandlersetter)XML_SetCharacterDataHandler,
|
|
my_CharacterDataHandler},
|
|
{"UnparsedEntityDeclHandler",
|
|
(xmlhandlersetter)XML_SetUnparsedEntityDeclHandler,
|
|
my_UnparsedEntityDeclHandler },
|
|
{"NotationDeclHandler",
|
|
(xmlhandlersetter)XML_SetNotationDeclHandler,
|
|
my_NotationDeclHandler },
|
|
{"StartNamespaceDeclHandler",
|
|
pyxml_SetStartNamespaceDeclHandler,
|
|
my_StartNamespaceDeclHandler },
|
|
{"EndNamespaceDeclHandler",
|
|
pyxml_SetEndNamespaceDeclHandler,
|
|
my_EndNamespaceDeclHandler },
|
|
{"CommentHandler",
|
|
(xmlhandlersetter)XML_SetCommentHandler,
|
|
my_CommentHandler},
|
|
{"StartCdataSectionHandler",
|
|
pyxml_SetStartCdataSection,
|
|
my_StartCdataSectionHandler},
|
|
{"EndCdataSectionHandler",
|
|
pyxml_SetEndCdataSection,
|
|
my_EndCdataSectionHandler},
|
|
{"DefaultHandler",
|
|
(xmlhandlersetter)XML_SetDefaultHandler,
|
|
my_DefaultHandler},
|
|
{"DefaultHandlerExpand",
|
|
(xmlhandlersetter)XML_SetDefaultHandlerExpand,
|
|
my_DefaultHandlerExpandHandler},
|
|
{"NotStandaloneHandler",
|
|
(xmlhandlersetter)XML_SetNotStandaloneHandler,
|
|
my_NotStandaloneHandler},
|
|
{"ExternalEntityRefHandler",
|
|
(xmlhandlersetter)XML_SetExternalEntityRefHandler,
|
|
my_ExternalEntityRefHandler },
|
|
|
|
{NULL, NULL, NULL } /* sentinel */
|
|
};
|
|
|