KeosXMLConfigFile.cpp

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/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 */

#include "KeosXMLConfigFile.h"
#include "KeosException.h"
#include "KeosString.h"
#include "KeosLogger.h"
#include "KeosRoot.h"
#include "../Extlibs/TinyXML/tinyxml.h"

namespace Keos
{

  //-----------------------------------------------------------------------
  CXMLConfigFile::CXMLConfigFile()
  {}

  //-----------------------------------------------------------------------
  CXMLConfigFile::~CXMLConfigFile()
  {
    Clear();
  }

  //-----------------------------------------------------------------------
  void CXMLConfigFile::Clear(void)
  {
    m_Settings.clear();
  }

  //-----------------------------------------------------------------------
  bool CXMLConfigFile::Load(const String& strFilename)
  {
    TiXmlDocument doc( strFilename.c_str() );
    bool bLoadOkay = doc.LoadFile();
    if ( !bLoadOkay )
    {
      ILogger::Log("Cannot open config file \"%s\", default settings will be used !", strFilename.c_str());
      return false;
    }

    TiXmlNode* root = doc.RootElement();
    if ( !root )
    {
      ILogger::Log("Invalid config file \"%s\" file, default settings will be used !", strFilename.c_str());
      return false;
    }

    TiXmlElement* element;

    for ( element = root->FirstChildElement();
          element;
          element = element->NextSiblingElement() )
    {
      if (strcmp(element->Value(), "property") == 0)
      {
        String strName = element->Attribute("name");
        String strValue = element->Attribute("value");

        if (strName != "" && strValue != "")
        {
          m_Settings[strName] = strValue;
        }
      }
    }

    return true;
  }

  //-----------------------------------------------------------------------
  bool CXMLConfigFile::Save(const String& strFilename, ConfigOptionMap ConfigMap)
  {
    char str[128];
    TiXmlDocument doc(strFilename.c_str());

    // XML Declaration
    TiXmlDeclaration decl("1.0", "UTF-8", "Yes");

    // XML Comment: Keos version
    TiXmlComment ver;
    sprintf(str, " Keos %s ", CRoot::Instance().GetVersion().c_str());
    ver.SetValue(str);

    // XML Comment: Last save: date and time
    TiXmlComment lastmodified;
    char sDate[24];
    time_t CurrentTime = time(NULL);
    strftime(sDate, sizeof(sDate), "%d/%m/%Y", localtime(&CurrentTime));
    char sTime[24];
    strftime(sTime, sizeof(sTime), "%H:%M:%S", localtime(&CurrentTime));
    sprintf(str, " Last save: %s %s ", sDate, sTime);
    lastmodified.SetValue(str);

    // Root XML Element
    TiXmlElement root("properties");

    // Insert XML Elements: property
    for (
      ConfigOptionMap::iterator it = ConfigMap.begin();
      it != ConfigMap.end();
      ++it )
    {
      TiXmlElement node("property");
      node.SetAttribute("name", it->second.name.c_str());
      node.SetAttribute("value", it->second.currentValue.c_str());
      root.InsertEndChild(node);
    }

    doc.InsertEndChild(decl);
    doc.InsertEndChild(ver);
    doc.InsertEndChild(lastmodified);
    doc.InsertEndChild(root);

    return doc.SaveFile();
  }

  //-----------------------------------------------------------------------
  String CXMLConfigFile::GetSetting(const String& strKey) const
  {
    SettingsMap::const_iterator i = m_Settings.find(strKey);
    if (i == m_Settings.end())
    {
      return CStringUtil::BLANK;
    }
    else
    {
      return i->second;
    }
  }
} // namespace Keos

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