IsisXMLHelper.cpp

 
/* SPDX-License-Identifier: CC0-1.0 */
 
#include <string>
 
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/sax2/SAX2XMLReader.hpp>
#include <xercesc/sax2/Attributes.hpp>
 
#include "IsisXMLHelper.h"
#include "IsisXMLChTrans.h"
 
#include "IString.h"
 
using namespace std;
 
namespace XERCES = XERCES_CPP_NAMESPACE;
 
// Constructors
IsisXMLHelper::IsisXMLHelper(char *PencodingName,
                             bool &PexpandNamespaces,
                             XERCES::SAX2XMLReader* &Pparser,
                             IsisHelperData *Phelper) {
 
  encodingName = PencodingName;
  expandNamespaces = PexpandNamespaces;
  parser = Pparser;
  helper = Phelper;
 
  prevDocHandler = parser->getContentHandler();
  prevErrorHandler = parser->getErrorHandler();
 
  parser->setContentHandler(this);
  parser->setErrorHandler(this);
 
  ignoreHandler = NULL;
  generalHandler = NULL;
}
 
IsisXMLHelper::~IsisXMLHelper() {
  if(ignoreHandler != NULL) delete ignoreHandler;
  if(generalHandler != NULL) delete generalHandler;
}
 
 
//  IsisXMLHelper: Overrides of the SAX DocumentHandler interface
void IsisXMLHelper::characters(const XMLCh *const chars,
                               const XMLSize_t length) {
}
 
 
void IsisXMLHelper::endElement(const XMLCh *const uri,
                               const XMLCh *const localname,
                               const XMLCh *const qname) {
  parser->setContentHandler(prevDocHandler);
  parser->setErrorHandler(prevErrorHandler);
}
 
void IsisXMLHelper::startElement(const XMLCh *const uri,
                                 const XMLCh *const localname,
                                 const XMLCh *const qname,
                                 const XERCES::Attributes &attributes) {
 
  if((string)XERCES::XMLString::transcode(localname) == (string)"brief")  {
    if(generalHandler != NULL) {
      delete generalHandler;
      generalHandler = NULL;
    }
    generalHandler = new IsisXMLHandler(encodingName, expandNamespaces,
                                        parser, &helper->brief);
  }
  else if((string)XERCES::XMLString::transcode(localname) == (string)"description")  {
    if(generalHandler != NULL) {
      delete generalHandler;
      generalHandler = NULL;
    }
    generalHandler = new IsisXMLHandler(encodingName, expandNamespaces,
                                        parser, &helper->description);
  }
  else if((string)XERCES::XMLString::transcode(localname) == (string)"function")  {
    if(generalHandler != NULL) {
      delete generalHandler;
      generalHandler = NULL;
    }
    generalHandler = new IsisXMLHandler(encodingName, expandNamespaces,
                                        parser, &helper->function);
  }
  else if((string)XERCES::XMLString::transcode(localname) == (string)"icon")  {
    if(generalHandler != NULL) {
      delete generalHandler;
      generalHandler = NULL;
    }
    generalHandler = new IsisXMLHandler(encodingName, expandNamespaces,
                                        parser, &helper->icon);
  }
  else {
    if(ignoreHandler != NULL) {
      delete ignoreHandler;
      ignoreHandler = NULL;
    }
    ignoreHandler = new IsisXMLIgnore(encodingName, expandNamespaces, parser,
                                      (string)XERCES::XMLString::transcode(localname));
  }
}