File indexing completed on 2024-05-12 05:10:14

 /***************************************************************************
     Copyright (C) 2007-2009 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "xmphandler.h"
 #include "../tellico_debug.h"
 
 #include <config.h>
 
 #include <QFile>
 #include <QTextStream>
 
 #ifdef HAVE_EXEMPI
 #include <exempi/xmp.h>
 #endif
 
 using Tellico::XMPHandler;
 
 bool XMPHandler::s_needInit = true;
 int XMPHandler::s_initCount = 0;
 
 bool XMPHandler::isXMPEnabled() {
 #ifdef HAVE_EXEMPI
   return true;
 #else
   return false;
 #endif
 }
 
 XMPHandler::XMPHandler() {
 #ifdef HAVE_EXEMPI
   ++s_initCount;
 #endif
 }
 
 XMPHandler::~XMPHandler() {
 #ifdef HAVE_EXEMPI
   --s_initCount;
   if(s_initCount == 0 && !s_needInit) {
     xmp_terminate();
     s_needInit = true;
   }
 #endif
 }
 
 QString XMPHandler::extractXMP(const QString& file) {
   QString result;
 #ifdef HAVE_EXEMPI
   if(s_needInit) {
     xmp_init();
     s_needInit = false;
   }
   XmpFilePtr xmpfile = xmp_files_open_new(QFile::encodeName(file).constData(), XMP_OPEN_READ);
   if(!xmpfile) {
     myDebug() << "unable to open " << file;
     return result;
   }
   XmpPtr xmp = xmp_files_get_new_xmp(xmpfile);
   if(xmp) {
     XmpStringPtr buffer = xmp_string_new();
     xmp_serialize(xmp, buffer, 0, 0);
     result = QString::fromUtf8(xmp_string_cstr(buffer));
     xmp_string_free(buffer);
 //    myDebug() << result;
 #if 0
     myWarning() << "turn me off!";
     QFile f1(QLatin1String("/tmp/xmp.xml"));
     if(f1.open(QIODevice::WriteOnly)) {
       QTextStream t(&f1);
       t << result;
     }
     f1.close();
 #endif
     xmp_free(xmp);
     xmp_files_close(xmpfile, XMP_CLOSE_NOOPTION);
     xmp_files_free(xmpfile);
   } else {
     myDebug() << "unable to parse " << file;
   }
 #else
   Q_UNUSED(file);
 #endif
   return result;
 }