rlm@1: // -*- C++ -*-
rlm@1: // VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
rlm@1: // Copyright (C) 1999-2003 Forgotten
rlm@1: // Copyright (C) 2004 Forgotten and the VBA development team
rlm@1: 
rlm@1: // This program is free software; you can redistribute it and/or modify
rlm@1: // it under the terms of the GNU General Public License as published by
rlm@1: // the Free Software Foundation; either version 2, or(at your option)
rlm@1: // any later version.
rlm@1: //
rlm@1: // This program is distributed in the hope that it will be useful,
rlm@1: // but WITHOUT ANY WARRANTY; without even the implied warranty of
rlm@1: // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
rlm@1: // GNU General Public License for more details.
rlm@1: //
rlm@1: // You should have received a copy of the GNU General Public License
rlm@1: // along with this program; if not, write to the Free Software Foundation,
rlm@1: // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
rlm@1: 
rlm@1: #ifndef __VBA_CONFIGFILE_H__
rlm@1: #define __VBA_CONFIGFILE_H__
rlm@1: 
rlm@1: #include <list>
rlm@1: #include <string>
rlm@1: #include <sstream>
rlm@1: #include <ostream>
rlm@1: 
rlm@1: namespace VBA
rlm@1: {
rlm@1: namespace Config
rlm@1: {
rlm@1: 
rlm@1: class NotFound
rlm@1: {
rlm@1: public:
rlm@1:   virtual ~NotFound() {}
rlm@1: 
rlm@1: protected:
rlm@1:   NotFound() {}
rlm@1: };
rlm@1: 
rlm@1: class SectionNotFound : public NotFound
rlm@1: {
rlm@1: public:
rlm@1:   SectionNotFound(const std::string & _rsName) :
rlm@1:     m_sName(_rsName)
rlm@1:     {
rlm@1:     }
rlm@1:   virtual ~SectionNotFound() {}
rlm@1: 
rlm@1:   inline std::string sGetName() const { return m_sName; }
rlm@1: 
rlm@1: private:
rlm@1:   std::string m_sName;
rlm@1: };
rlm@1: 
rlm@1: class KeyNotFound : public NotFound
rlm@1: {
rlm@1: public:
rlm@1:   KeyNotFound(const std::string & _rsSection, const std::string & _rsKey) :
rlm@1:     m_sSection(_rsSection),
rlm@1:     m_sKey(_rsKey)
rlm@1:     {
rlm@1:     }
rlm@1:   virtual ~KeyNotFound() {}
rlm@1: 
rlm@1:   inline std::string sGetSection() const { return m_sSection; }
rlm@1:   inline std::string sGetKey() const { return m_sKey; }
rlm@1: 
rlm@1: private:
rlm@1:   std::string m_sSection;
rlm@1:   std::string m_sKey;
rlm@1: };
rlm@1: 
rlm@1: class Line
rlm@1: {
rlm@1: public:
rlm@1:   Line(const std::string & _rsKey, const std::string & _rsValue);
rlm@1: 
rlm@1:   std::string m_sKey;
rlm@1:   std::string m_sValue;
rlm@1: };
rlm@1: 
rlm@1: class Section : private std::list<Line>
rlm@1: {
rlm@1: public:
rlm@1:   explicit Section(const std::string & _rsName);
rlm@1: 
rlm@1:   inline std::string sGetName() const { return m_sName; }
rlm@1: 
rlm@1:   bool bKeyExists(const std::string & _rsKey);
rlm@1:   void vSetKey(const std::string & _rsKey, const std::string & _rsValue);
rlm@1:   std::string sGetKey(const std::string & _rsKey) const;
rlm@1:   void vRemoveKey(const std::string & _rsKey);
rlm@1: 
rlm@1:   template<typename T>
rlm@1:   void vSetKey(const std::string & _rsKey, const T & _rValue);
rlm@1: 
rlm@1:   template<typename T>
rlm@1:   T oGetKey(const std::string & _rsKey) const;
rlm@1: 
rlm@1:   // read only
rlm@1:   typedef std::list<Line>::const_iterator const_iterator;
rlm@1:   inline const_iterator begin() const
rlm@1:     {
rlm@1:       return std::list<Line>::begin();
rlm@1:     }
rlm@1:   inline const_iterator end() const
rlm@1:     {
rlm@1:       return std::list<Line>::end();
rlm@1:     }
rlm@1: 
rlm@1: private:
rlm@1:   inline iterator begin()
rlm@1:     {
rlm@1:       return std::list<Line>::begin();
rlm@1:     }
rlm@1:   inline iterator end()
rlm@1:     {
rlm@1:       return std::list<Line>::end();
rlm@1:     }
rlm@1: 
rlm@1:   std::string m_sName;
rlm@1: };
rlm@1: 
rlm@1: class File : private std::list<Section>
rlm@1: {
rlm@1: public:
rlm@1:   File();
rlm@1:   File(const std::string & _rsFile);
rlm@1:   virtual ~File();
rlm@1: 
rlm@1:   bool bSectionExists(const std::string & _rsName);
rlm@1:   Section * poAddSection(const std::string & _rsName);
rlm@1:   Section * poGetSection(const std::string & _rsName);
rlm@1:   void vRemoveSection(const std::string & _rsName);
rlm@1:   void vLoad(const std::string & _rsFile,
rlm@1:              bool _bAddSection = true,
rlm@1:              bool _bAddKey = true);
rlm@1:   void vSave(const std::string & _rsFile);
rlm@1:   void vClear();
rlm@1: 
rlm@1:   // read only
rlm@1:   typedef std::list<Section>::const_iterator const_iterator;
rlm@1:   inline const_iterator begin() const
rlm@1:     {
rlm@1:       return std::list<Section>::begin();
rlm@1:     }
rlm@1:   inline const_iterator end() const
rlm@1:     {
rlm@1:       return std::list<Section>::end();
rlm@1:     }
rlm@1: 
rlm@1: private:
rlm@1:   inline iterator begin()
rlm@1:     {
rlm@1:       return std::list<Section>::begin();
rlm@1:     }
rlm@1:   inline iterator end()
rlm@1:     {
rlm@1:       return std::list<Section>::end();
rlm@1:     }
rlm@1: };
rlm@1: 
rlm@1: // debug
rlm@1: std::ostream & operator<<(std::ostream & _roOut, const File & _roConfig);
rlm@1: 
rlm@1: template<typename T>
rlm@1: void Section::vSetKey(const std::string & _rsKey, const T & _rValue)
rlm@1: {
rlm@1:   std::ostringstream oOut;
rlm@1:   oOut << _rValue;
rlm@1:   for (iterator it = begin(); it != end(); it++)
rlm@1:   {
rlm@1:     if (it->m_sKey == _rsKey)
rlm@1:     {
rlm@1:       it->m_sValue = oOut.str();
rlm@1:       return;
rlm@1:     }
rlm@1:   }
rlm@1:   push_back(Line(_rsKey, oOut.str()));
rlm@1: }
rlm@1: 
rlm@1: template<typename T>
rlm@1: T Section::oGetKey(const std::string & _rsKey) const
rlm@1: {
rlm@1:   T oValue;
rlm@1:   for (const_iterator it = begin(); it != end(); it++)
rlm@1:   {
rlm@1:     if (it->m_sKey == _rsKey)
rlm@1:     {
rlm@1:       std::istringstream oIn(it->m_sValue);
rlm@1:       oIn >> oValue;
rlm@1:       return oValue;
rlm@1:     }
rlm@1:   }
rlm@1:   throw KeyNotFound(m_sName, _rsKey);
rlm@1: }
rlm@1: 
rlm@1: } // namespace Config
rlm@1: } // namespace VBA
rlm@1: 
rlm@1: 
rlm@1: #endif // __VBA_CONFIGFILE_H__