configexception.hpp

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/*
    Copyright (C) 2014-2016 Leosac
 
    This file is part of Leosac.
 
    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Leosac 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 Affero General Public License for more details.
 
    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include "leosacexception.hpp"
#include "tools/Colorize.hpp"
#include <string>
 
namespace Leosac
{
namespace Ex
{
class Config : public LEOSACException
{
  public:
    Config(const std::string &config_target, const std::string &config_entry,
           bool not_found)
        : LEOSACException(build_message(config_target, config_entry, not_found))
    {
    }
 
    Config(const std::string &filename)
        : LEOSACException(build_message(filename))
    {
    }
 
  private:
    static std::string build_message(const std::string &config_target,
                                     const std::string &config_entry, bool not_found)
    {
        using namespace Colorize;
        if (not_found)
        {
            return "Missing configuration entry for " + green(config_target) + ": " +
                   underline(red(config_entry));
        }
        else
        {
            return "Invalid configuration entry for " + green(config_target) + ": " +
                   underline(red(config_entry));
        }
    }
 
    static std::string build_message(const std::string &filename)
    {
        using namespace Colorize;
        return "Failed to parse configuration file " + underline(green(filename));
    }
};
}
}
 
class ConfigException : public LEOSACException
{
  public:
    ConfigException(const std::string &file, const std::string &message)
        : LEOSACException("Configuration error in file {" + file + "}: " + message)
    {
    }
    virtual ~ConfigException()
    {
    }
};