src/FDM/JSBSim/input_output/FGXMLFileRead.h

   1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   2
   3  Module:       FGXMLFileRead.h
   4  Author:       Jon S. Berndt
   5  Date started: 02/04/07
   6  Purpose:      Shared base class that wraps the XML file reading logic
   7
   8  ------------- Copyright (C) 2007  Jon S. Berndt (jon@jsbsim.org) -------------
   9
  10  This program is free software; you can redistribute it and/or modify it under
  11  the terms of the GNU Lesser General Public License as published by the Free Software
  12  Foundation; either version 2 of the License, or (at your option) any later
  13  version.
  14
  15  This program is distributed in the hope that it will be useful, but WITHOUT
  16  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  18  details.
  19
  20  You should have received a copy of the GNU Lesser General Public License along with
  21  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  22  Place - Suite 330, Boston, MA  02111-1307, USA.
  23
  24  Further information about the GNU Lesser General Public License can also be found on
  25  the world wide web at http://www.gnu.org.
  26
  27 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  28 SENTRY
  29 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  30
  31 #ifndef FGXMLFILEREAD_HEADER_H
  32 #define FGXMLFILEREAD_HEADER_H
  33
  34 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 INCLUDES
  36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  37
  38 #include "input_output/FGXMLParse.h"
  39 #include <iostream>
  40 #include <fstream>
  41
  42 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  43 DEFINITIONS
  44 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  45
  46 #define ID_XMLFILEREAD "$Id: FGXMLFileRead.h,v 1.9 2013/12/01 14:33:51 bcoconni Exp $"
  47
  48 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  49 FORWARD DECLARATIONS
  50 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  51
  52 namespace JSBSim {
  53
  54 class FGXMLFileRead {
  55 public:
  56   FGXMLFileRead(void) {}
  57   ~FGXMLFileRead(void) {}
  58
  59   Element* LoadXMLDocument(std::string XML_filename, bool verbose=true)
  60   {
  61     return LoadXMLDocument(XML_filename, file_parser, verbose);
  62   }
  63
  64   Element* LoadXMLDocument(std::string XML_filename, FGXMLParse& fparse, bool verbose=true)
  65   {
  66     std::ifstream infile;
  67
  68     if ( !XML_filename.empty() ) {
  69       if (XML_filename.find(".xml") == std::string::npos) XML_filename += ".xml";
  70       infile.open(XML_filename.c_str());
  71       if ( !infile.is_open()) {
  72         if (verbose) std::cerr << "Could not open file: " << XML_filename << std::endl;
  73         return 0L;
  74       }
  75     } else {
  76       std::cerr << "No filename given." << std::endl;
  77       return 0L;
  78     }
  79
  80     readXML(infile, fparse, XML_filename);
  81     Element* document = fparse.GetDocument();
  82     infile.close();
  83
  84     return document;
  85   }
  86
  87   void ResetParser(void) {file_parser.reset();}
  88
  89 private:
  90   FGXMLParse file_parser;
  91 };
  92 }
  93 #endif