tiny_ini.h

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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
// 
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// modification, are permitted provided that the following conditions are met:
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// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
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// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
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#ifndef _TINY_INI_H_
#define _TINY_INI_H_
 
#include <boost/regex.hpp>
#include <boost/lexical_cast.hpp>
#include "string_tools.h"
 
namespace epee
{
namespace tiny_ini
{
 
    inline 
        bool get_param_value(const std::string& param_name, const std::string& ini_entry, std::string& res)
    {
        std::string expr_str = std::string() + "^("+ param_name +") *=(.*?)$";
        const boost::regex match_ini_entry( expr_str, boost::regex::icase | boost::regex::normal); 
        boost::smatch result;   
        if(!boost::regex_search(ini_entry, result, match_ini_entry, boost::match_default))
            return false;
        res = result[2];
        string_tools::trim(res);
        return true;
    }
    inline 
        std::string get_param_value(const std::string& param_name, const std::string& ini_entry)
    {
        std::string buff;
        get_param_value(param_name, ini_entry, buff);
        return buff;
    }
 
    template<class T>
        bool get_param_value_as_t(const std::string& param_name, const std::string& ini_entry, T& res)
    {
        std::string str_res = get_param_value(param_name, ini_entry);
    
        string_tools::trim(str_res);
        if(!str_res.size())
            return false;
        
        return string_tools::get_xtype_from_string(res, str_res);
    }
 
}
}
 
#endif //_TINY_INI_H_