//  Copyright (c) 2005-2007 Andre Merzky (andre@merzky.net)
// 
//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef _SAGA_IMPL_INI_H_
#define _SAGA_IMPL_INI_H_ 1

#include <map>
#include <iostream>

#include <saga/util.hpp>
#include <impl/config.hpp>

#define SAGA_INI_MAXLEN 256
#define SAGA_INI_ERRLEN SAGA_INI_MAXLEN

// suppress warnings about dependent classes not being exported from the dll
#if defined(BOOST_MSVC)
#pragma warning(push)
#pragma warning(disable: 4091 4251 4231 4275 4660)
#endif


//////////////////////////////////////////
//
// C++ interface
//
namespace saga
{
  namespace impl
  {
    namespace ini
    {
      class   section;

      typedef section ini;

      typedef std::map <std::string, std::string> entry_map;
      typedef std::map <std::string, section>     section_map;

      class section
      {
         section *this_() { return this; }

       protected:
         static TR1::regex const regex_comment;
         static TR1::regex const regex_section;
         static TR1::regex const regex_entry;
         
         entry_map   entries;
         section_map sections;

         void indent (int ind = 0) const;

       public:
         std::string    name;
         section      * root;

         section (std::string filename = "");
         section (const section & in);
        ~section (void) { };

         void           read         (std::string   filename);
         void           merge        (std::string   second);           
         void           merge        (section     & second);           
         void           dump         (int           ind = 0, 
                                      std::ostream& strm = std::cout)  const;
                                                                       
         void           add_section  (std::string   sec_name, 
                                      section     & sec, 
                                      section     * root);                  
         bool           has_section  (std::string   sec_name) const;
         bool           has_section_full  
                                     (std::string   sec_name) const;
         section      * get_section  (std::string   sec_name); 
   const section_map  & get_sections (void)                   const;
                                                                       
         void           add_entry    (std::string   key,                 
                                      std::string   val);                      
         bool           has_entry    (std::string   key)      const;
         std::string    get_entry    (std::string   key)      const;
   const entry_map    & get_entries  (void)                   const;
         std::string    expand_entry (std::string   in,
                                      std::string::size_type  start = 0) const;
                                                                       
         void           set_root     (section * r) { root = r;      }
         section      * get_root     (void) const  { return (root); }
         std::string    get_name     (void) const  { return (name); }

         section        clone        (section * root = NULL) const;
      };

    } // namespace ini

  } // namespace impl

} // namespace saga

#endif // _SAGA_IMPL_INI_H_