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# xml_parser.cpp

    00001 /*
    00002 * <xml_parser.cpp>
    00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
    00004 * (C) OPAC Team, LIFL, 2002-2007
    00005 *
    00006 * Sebastien Cahon, Alexandru-Adrian Tantar
    00007 *
    00008 * This software is governed by the CeCILL license under French law and
    00009 * abiding by the rules of distribution of free software.  You can  use,
    00010 * modify and/ or redistribute the software under the terms of the CeCILL
    00011 * license as circulated by CEA, CNRS and INRIA at the following URL
    00012 * "http://www.cecill.info".
    00013 *
    00014 * As a counterpart to the access to the source code and  rights to copy,
    00015 * modify and redistribute granted by the license, users are provided only
    00016 * with a limited warranty  and the software's author,  the holder of the
    00017 * economic rights,  and the successive licensors  have only  limited liability.
    00018 *
    00019 * In this respect, the user's attention is drawn to the risks associated
    00020 * with loading,  using,  modifying and/or developing or reproducing the
    00021 * software by the user in light of its specific status of free software,
    00022 * that may mean  that it is complicated to manipulate,  and  that  also
    00023 * therefore means  that it is reserved for developers  and  experienced
    00024 * professionals having in-depth computer knowledge. Users are therefore
    00025 * encouraged to load and test the software's suitability as regards their
    00026 * requirements in conditions enabling the security of their systems and/or
    00027 * data to be ensured and,  more generally, to use and operate it in the
    00028 * same conditions as regards security.
    00029 * The fact that you are presently reading this means that you have had
    00030 * knowledge of the CeCILL license and that you accept its terms.
    00031 *
    00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
    00033 * Contact: paradiseo-help@lists.gforge.inria.fr
    00034 *
    00035 */
    00036
    00037 #include <libxml/xmlreader.h>
    00038
    00039 #include "xml_parser.h"
    00040
    00041 static xmlTextReaderPtr reader;
    00042
    00043 void openXMLDocument (const char * __filename) {
    00044
    00045   reader = xmlNewTextReaderFilename (__filename);
    00046
    00047   if (! reader) {
    00048
    00049     fprintf (stderr, "unable to open '%s'.\n", __filename);
    00050     exit (1);
    00051   }
    00052 }
    00053
    00054 void closeXMLDocument () {
    00055
    00056   xmlFreeTextReader (reader);
    00057 }
    00058
    00059 std :: string getAttributeValue (const std :: string & __attr) {
    00060
    00061   xmlChar * value = xmlTextReaderGetAttribute (reader, (const xmlChar *) __attr.c_str ());
    00062
    00063   std :: string str ((const char *) value);
    00064
    00065   xmlFree (value);
    00066
    00067   return str;
    00068 }
    00069
    00070 static bool isSep (const xmlChar * __text) {
    00071
    00072   for (unsigned i = 0; i < strlen ((char *) __text); i ++)
    00073     if (__text [i] != ' ' && __text [i] != '\t' && __text [i] != '\n')
    00074       return false;
    00075   return true;
    00076 }
    00077
    00078 std :: string getNextNode () {
    00079
    00080   xmlChar * name, * value;
    00081
    00082   do {
    00083     xmlTextReaderRead (reader);
    00084     name = xmlTextReaderName (reader);
    00085     value = xmlTextReaderValue (reader);
    00086     //    printf ("value = %s\n", value);
    00087   } while (! strcmp ((char *) name, "#text") && isSep (value));
    00088
    00089   std :: string str;
    00090
    00091   if (strcmp ((char *) name, "#text"))
    00092     str.assign ((char *) name);
    00093   else
    00094     str.assign ((char *) value);
    00095
    00096   if (name)
    00097     xmlFree (name);
    00098   if (value)
    00099     xmlFree (value);
    00100
    00101   return str;
    00102 }
    00103