Mercurial > vba-linux

     1 // -*- C++ -*-

     2 // VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.

     3 // Copyright (C) 1999-2003 Forgotten

     4 // Copyright (C) 2004 Forgotten and the VBA development team

     5 

     6 // This program is free software; you can redistribute it and/or modify

     7 // it under the terms of the GNU General Public License as published by

     8 // the Free Software Foundation; either version 2, or(at your option)

     9 // any later version.

    10 //

    11 // This program is distributed in the hope that it will be useful,

    12 // but WITHOUT ANY WARRANTY; without even the implied warranty of

    13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14 // GNU General Public License for more details.

    15 //

    16 // You should have received a copy of the GNU General Public License

    17 // along with this program; if not, write to the Free Software Foundation,

    18 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    19 

    20 #ifndef __VBA_CONFIGFILE_H__

    21 #define __VBA_CONFIGFILE_H__

    22 

    23 #include <list>

    24 #include <string>

    25 #include <sstream>

    26 #include <ostream>

    27 

    28 namespace VBA

    29 {

    30 namespace Config

    31 {

    32 

    33 class NotFound

    34 {

    35 public:

    36   virtual ~NotFound() {}

    37 

    38 protected:

    39   NotFound() {}

    40 };

    41 

    42 class SectionNotFound : public NotFound

    43 {

    44 public:

    45   SectionNotFound(const std::string & _rsName) :

    46     m_sName(_rsName)

    47     {

    48     }

    49   virtual ~SectionNotFound() {}

    50 

    51   inline std::string sGetName() const { return m_sName; }

    52 

    53 private:

    54   std::string m_sName;

    55 };

    56 

    57 class KeyNotFound : public NotFound

    58 {

    59 public:

    60   KeyNotFound(const std::string & _rsSection, const std::string & _rsKey) :

    61     m_sSection(_rsSection),

    62     m_sKey(_rsKey)

    63     {

    64     }

    65   virtual ~KeyNotFound() {}

    66 

    67   inline std::string sGetSection() const { return m_sSection; }

    68   inline std::string sGetKey() const { return m_sKey; }

    69 

    70 private:

    71   std::string m_sSection;

    72   std::string m_sKey;

    73 };

    74 

    75 class Line

    76 {

    77 public:

    78   Line(const std::string & _rsKey, const std::string & _rsValue);

    79 

    80   std::string m_sKey;

    81   std::string m_sValue;

    82 };

    83 

    84 class Section : private std::list<Line>

    85 {

    86 public:

    87   explicit Section(const std::string & _rsName);

    88 

    89   inline std::string sGetName() const { return m_sName; }

    90 

    91   bool bKeyExists(const std::string & _rsKey);

    92   void vSetKey(const std::string & _rsKey, const std::string & _rsValue);

    93   std::string sGetKey(const std::string & _rsKey) const;

    94   void vRemoveKey(const std::string & _rsKey);

    95 

    96   template<typename T>

    97   void vSetKey(const std::string & _rsKey, const T & _rValue);

    98 

    99   template<typename T>

   100   T oGetKey(const std::string & _rsKey) const;

   101 

   102   // read only

   103   typedef std::list<Line>::const_iterator const_iterator;

   104   inline const_iterator begin() const

   105     {

   106       return std::list<Line>::begin();

   107     }

   108   inline const_iterator end() const

   109     {

   110       return std::list<Line>::end();

   111     }

   112 

   113 private:

   114   inline iterator begin()

   115     {

   116       return std::list<Line>::begin();

   117     }

   118   inline iterator end()

   119     {

   120       return std::list<Line>::end();

   121     }

   122 

   123   std::string m_sName;

   124 };

   125 

   126 class File : private std::list<Section>

   127 {

   128 public:

   129   File();

   130   File(const std::string & _rsFile);

   131   virtual ~File();

   132 

   133   bool bSectionExists(const std::string & _rsName);

   134   Section * poAddSection(const std::string & _rsName);

   135   Section * poGetSection(const std::string & _rsName);

   136   void vRemoveSection(const std::string & _rsName);

   137   void vLoad(const std::string & _rsFile,

   138              bool _bAddSection = true,

   139              bool _bAddKey = true);

   140   void vSave(const std::string & _rsFile);

   141   void vClear();

   142 

   143   // read only

   144   typedef std::list<Section>::const_iterator const_iterator;

   145   inline const_iterator begin() const

   146     {

   147       return std::list<Section>::begin();

   148     }

   149   inline const_iterator end() const

   150     {

   151       return std::list<Section>::end();

   152     }

   153 

   154 private:

   155   inline iterator begin()

   156     {

   157       return std::list<Section>::begin();

   158     }

   159   inline iterator end()

   160     {

   161       return std::list<Section>::end();

   162     }

   163 };

   164 

   165 // debug

   166 std::ostream & operator<<(std::ostream & _roOut, const File & _roConfig);

   167 

   168 template<typename T>

   169 void Section::vSetKey(const std::string & _rsKey, const T & _rValue)

   170 {

   171   std::ostringstream oOut;

   172   oOut << _rValue;

   173   for (iterator it = begin(); it != end(); it++)

   174   {

   175     if (it->m_sKey == _rsKey)

   176     {

   177       it->m_sValue = oOut.str();

   178       return;

   179     }

   180   }

   181   push_back(Line(_rsKey, oOut.str()));

   182 }

   183 

   184 template<typename T>

   185 T Section::oGetKey(const std::string & _rsKey) const

   186 {

   187   T oValue;

   188   for (const_iterator it = begin(); it != end(); it++)

   189   {

   190     if (it->m_sKey == _rsKey)

   191     {

   192       std::istringstream oIn(it->m_sValue);

   193       oIn >> oValue;

   194       return oValue;

   195     }

   196   }

   197   throw KeyNotFound(m_sName, _rsKey);

   198 }

   199 

   200 } // namespace Config

   201 } // namespace VBA

   202 

   203 

   204 #endif // __VBA_CONFIGFILE_H__
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:47 -0600
parents	f9f4f1b99eed
children