-// Copyright (C) 2006-2012 CEA/DEN, EDF R&D
+// Copyright (C) 2006-2019 CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "parsers.hxx"
-#include <expat.h>
#include <iostream>
#include <stdexcept>
#include <cstdio>
//#define _DEVDEBUG_
#include "YacsTrace.hxx"
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xmlreader.h>
+#include <libxml/parserInternals.h>
YACS::ENGINE::Runtime* theRuntime=0;
#define BUFFSIZE 8192
char Buff[BUFFSIZE];
extern YACS::ENGINE::Proc* currentProc;
-extern XML_Parser p ;
-
+extern _xmlParserCtxt* saxContext;
namespace YACS
{
YACSLoader::YACSLoader()
{
_defaultParsersMap.clear();
-
theRuntime = ENGINE::getRuntime();
}
ENGINE::Proc* YACSLoader::load(const char * file)
{
DEBTRACE("YACSLoader::load: " << file);
- FILE* fin=fopen(file,"r");
- if (! fin)
- {
- std::cerr << "Couldn't open schema file" << std::endl;
- throw std::invalid_argument("Couldn't open schema file");
- }
-
- p = XML_ParserCreate(NULL);
- if (! p)
- {
- std::cerr << "Couldn't allocate memory for parser" << std::endl;
- throw Exception("Couldn't allocate memory for parser");
- }
- XML_SetElementHandler(p, parser::start,parser::end);
- XML_SetCharacterDataHandler(p,parser::charac );
+ parser::main_parser.init();
+ parser::main_parser._stackParser.push(&parser::main_parser);
+ xmlSAXHandler baseHandler =
+ {
+ 0, // internal_subset,
+ 0, // isStandalone
+ 0, // hasInternalSubset
+ 0, // hasExternalSubset
+ 0, // resolveEntity
+ 0, // getEntity
+ 0, // entityDecl
+ 0, // notationDecl
+ 0, // attributeDecl
+ 0, // elementDecl
+ 0, // unparsedEntityDecl
+ 0, // setDocumentLocator
+ parser::start_document, // startDocument
+ parser::end_document, // endDocument
+ parser::start_element, // startElement
+ parser::end_element, // endElement
+ 0, // reference
+ parser::characters, // characters
+ 0, // ignorableWhitespace
+ 0, // processingInstruction
+ parser::comment, // comment
+ parser::warning, // warning
+ parser::error, // error
+ parser::fatal_error, // fatalError
+ 0, // getParameterEntity
+ parser::cdata_block, // cdataBlock
+ 0 // externalSubset
+ };
+ FILE* fin=fopen(file,"r");
+ if (! fin)
+ {
+ std::cerr << "Couldn't open schema file" << std::endl;
+ throw std::invalid_argument("Couldn't open schema file");
+ }
+
+ saxContext = xmlCreateFileParserCtxt(file);
+
+ if (!saxContext)
+ {
+ std::cerr << "Couldn't allocate memory for parser" << std::endl;
+ throw Exception("Couldn't allocate memory for parser");
+ }
+ saxContext->sax = &baseHandler;
parser::main_parser.SetUserDataAndPush(&YACS::roottypeParser::rootParser);
-
- // OCC: san -- Allow external parsers for handling of unknown elements
- // and attributes. This capability is used by YACS GUI to read
- // graph presentation data
if ( !_defaultParsersMap.empty() )
roottypeParser::rootParser.setDefaultMap(&_defaultParsersMap);
else
roottypeParser::rootParser.setDefaultMap(0);
-
- parser::main_parser._file=file;
- currentProc=0;
+ parser::main_parser._file = file;
+ currentProc = 0;
try
+ {
+ if ( xmlParseDocument(saxContext) == -1 )
{
- for (;;)
- {
- int done;
- int len;
-
- len = fread(Buff, 1, BUFFSIZE, fin);
- if (ferror(fin))
- {
- std::cerr << "Read error" << std::endl;
- throw Exception("Read error");
- }
- done = feof(fin);
-
- if (XML_Parse(p, Buff, len, done) == XML_STATUS_ERROR)
- {
- if(currentProc==0)
- {
- std::cerr <<XML_ErrorString(XML_GetErrorCode(p))<<" "<<file<<" "<<XML_GetCurrentLineNumber(p)<<std::endl;
- break;
- }
- YACS::ENGINE::Logger* logger=currentProc->getLogger("parser");
- logger->fatal(XML_ErrorString(XML_GetErrorCode(p)),file,XML_GetCurrentLineNumber(p));
- break;
- }
-
- if (done)
- break;
- }
- XML_ParserFree (p);
- p=0;
- return currentProc;
+ if(!currentProc)
+ throw Exception("Basic error during parsing.");
+ YACS::ENGINE::Logger* logger = currentProc->getLogger("parser");
+ logger->fatal( saxContext->lastError.message, file, saxContext->input->line );
}
+ saxContext = 0;
+ return currentProc;
+ }
catch(Exception& e)
- {
- //get line number from XML parser
- YACS::ENGINE::Logger* logger=currentProc->getLogger("parser");
- logger->fatal(e.what(),file,XML_GetCurrentLineNumber(p));
- XML_ParserFree (p);
- p=0;
- return currentProc;
- }
+ {
+ if(!currentProc)
+ throw e;
+ YACS::ENGINE::Logger* logger = currentProc->getLogger("parser");
+ logger->fatal(e.what(), file, saxContext->input->line);
+ saxContext = 0;
+ return currentProc;
+ }
}
YACSLoader::~YACSLoader()
