xmlReader Class Reference

base class for parse an xml file, use a dedicated parser, runtime independant. More...

#include <xmlParserBase.hxx>

Inheritance diagram for xmlReader:

Collaboration diagram for xmlReader:

Public Member Functions
	xmlReader (xmlParserBase *parser)
virtual void	parse (std::string xmlFile)

Protected Attributes
xmlParserBase *	_rootParser

Detailed Description

base class for parse an xml file, use a dedicated parser, runtime independant.

Definition at line 40 of file xmlParserBase.hxx.

Constructor & Destructor Documentation

xmlReader::xmlReader

(

xmlParserBase *

parser

)

libxml2 parser initialisation

Parameters

parser

dedicated parser

Definition at line 336 of file xmlParserBase.cxx.

                                         : _rootParser(parser)
{
}

Member Function Documentation

void xmlReader::parse ( std::string  xmlFile )

virtual

libxml2 parse

Parameters

xmlFile

file to parse

Reimplemented in YACS::ENGINE::stateLoader.

Definition at line 344 of file xmlParserBase.cxx.

References _rootParser, xmlParserBase::_stackParser, xmlParserBase::_xmlParser, xmlParserBase::cdata_block(), xmlParserBase::characters(), xmlParserBase::cleanGarbage(), xmlParserBase::comment(), DEBTRACE, xmlParserBase::end_document(), xmlParserBase::end_element(), xmlParserBase::error(), xmlParserBase::fatal_error(), xmlParserBase::getGarbageSize(), xmlParserBase::init(), saxContext, xmlParserBase::start_document(), xmlParserBase::start_element(), and xmlParserBase::warning().

Referenced by YACS::ENGINE::stateLoader::parse().

{
  _rootParser->init(0);
  _rootParser->_stackParser.push(_rootParser);

  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
      xmlParserBase::start_document, // startDocument
      xmlParserBase::end_document,   // endDocument
      xmlParserBase::start_element,  // startElement
      xmlParserBase::end_element,    // endElement
      0,  // reference
      xmlParserBase::characters,     // characters
      0,  // ignorableWhitespace
      0,  // processingInstruction
      xmlParserBase::comment,        // comment
      xmlParserBase::warning,        // warning
      xmlParserBase::error,          // error
      xmlParserBase::fatal_error,    // fatalError
      0,  // getParameterEntity
      xmlParserBase::cdata_block,    // cdataBlock
      0  // externalSubset
    };

  // --- sequence from libxml++, to have a libxml context

  _xmlParserCtxt* saxContext;
  saxContext = xmlCreateFileParserCtxt(xmlFile.c_str());
  if (!saxContext)
    {
      _rootParser->cleanGarbage();
      string what = "problem while trying to open the file for parsing " + xmlFile;
      throw Exception(what);
    }
  xmlSAXHandlerPtr old_sax = saxContext->sax;
  saxContext->sax = &baseHandler;
  _rootParser->_xmlParser = saxContext;
  saxContext->userData = _rootParser;

  xmlParseDocument(saxContext);
  _rootParser->cleanGarbage();
  if ( saxContext->myDoc != NULL ) {
    xmlFreeDoc( saxContext->myDoc );
    saxContext->myDoc = NULL;
  }
  if ( saxContext != NULL ) {
    saxContext->sax = old_sax;
    xmlFreeParserCtxt( saxContext );
  }
  DEBTRACE("xmlParserBase::end of parse, garbage size = " << _rootParser->getGarbageSize());
}

Member Data Documentation

xmlParserBase* xmlReader::_rootParser

protected

Definition at line 46 of file xmlParserBase.hxx.

Referenced by parse(), and YACS::ENGINE::stateLoader::parse().

---

The documentation for this class was generated from the following files:

• src/yacsloader/xmlParserBase.hxx
• src/yacsloader/xmlParserBase.cxx