test_IFile.cxx

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/// Test program for IFile facility within xmlBase package.
 
#include "xmlBase/IFile.h"
 
#include <iostream>
#include <string>
 
void lookFor( xmlBase::IFile* ifile, const char* section, const char* item );
 
int main() {
 
  std::string     filename( "$(XMLBASEROOT)/xml/myIFile.xml" );
  xmlBase::IFile* ifile = 0;
 
  ifile = new xmlBase::IFile( filename.c_str() );
  // fetch some stuff
 
  if ( ifile )
  {
 
    lookFor( ifile, "section1", "section1-val1" );
    lookFor( ifile, "section1", "section1-val2" );
    lookFor( ifile, "subsection", "subsectionItem" );
    lookFor( ifile, "section2", "subsectionItem" );
    lookFor( ifile, "section2", "bad-int" );
  }
  else std::cout << "Unable to read file " << ifile << std::endl;
 
  // Now do it again for IFile referencing schema rather than dtd
  std::string filename2( "$(XMLBASEROOT)/xml/mySchemaIFile.xml" );
 
  std::cout << std::endl << std::endl;
  std::cout << "And for my next trick:  process an IFile using XML Schema.";
  std::cout << std::endl;
  std::cout << "This file should be flagged bad; it doesn't follow schema content model."
            << std::endl
            << std::endl;
 
  xmlBase::IFile* ifile2 = 0;
 
  ifile2 = new xmlBase::IFile( filename2.c_str() );
  // fetch some stuff
 
  if ( ifile2 )
  {
 
    lookFor( ifile2, "section1", "section1-val1" );
    lookFor( ifile2, "section1", "section1-val2" );
    lookFor( ifile2, "subsection", "subsectionItem" );
    lookFor( ifile2, "section2", "subsectionItem" );
    lookFor( ifile2, "section2", "bad-int" );
  }
  else std::cout << "Unable to read file " << ifile2 << std::endl;
 
  return ( 0 );
}
 
void lookFor( xmlBase::IFile* ifile, const char* section, const char* item ) {
  bool haveItem = ifile->contains( section, item );
  std::cout << "Item   " << item << "   in section   " << section;
 
  if ( haveItem )
  {
    std::cout << " was found." << std::endl;
    // try writing  in various formats
    const char* charRep = ifile->getString( section, item );
    std::cout << "..as a string = " << charRep << std::endl;
 
    try
    {
      int intRep = ifile->getInt( section, item );
      std::cout << "..as an int = " << intRep << std::endl;
    } catch ( xmlBase::IFileException toCatch )
    { std::cout << "**ERROR** int conversion failed " << std::endl << std::endl; }
 
    try
    {
      double doubleRep = ifile->getDouble( section, item );
      std::cout << "..as a double = " << doubleRep << std::endl;
    } catch ( xmlBase::IFileException toCatch )
    { std::cout << " **ERROR** double conversion failed " << std::endl << std::endl; }
  }
  else std::cout << " was NOT found." << std::endl;
}