lib/configuration.h

Go to the documentation of this file.

//
// nis-util - NIS Administration Utilities
// Copyright (C) 2012 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at
// your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
//

#ifndef LIB_CONFIGURATION_H
#define LIB_CONFIGURATION_H

#include <boost/shared_ptr.hpp>
#include <lib/rcstring.h>
#include <lib/configuration/section.h>
#include <lib/input.h>

class configuration
{
public:
    typedef boost::shared_ptr<configuration> pointer;

    typedef configuration_section::level_t level_t;

    rcstring get_string(const rcstring &section_name, const rcstring &item_name)
        const;

    long get_long(const rcstring &section_name, const rcstring &item_name)
        const;

    bool get_bool(const rcstring &section_name, const rcstring &item_name)
        const;

    static configuration &get_singleton(void);

    void load_command_line_file(const rcstring &filename);

    void set_command_line_string(const source_location &locn,
        const rcstring &section_name, const rcstring &item_name,
        const rcstring &value);

    void set_command_line_long(const source_location &locn,
        const rcstring &section_name, const rcstring &item_name,
        long value);

    void set_command_line_bool(const source_location &locn,
        const rcstring &section_name, const rcstring &item_name,
        bool value);

    void set_command_line_bool(const source_location &locn,
        const rcstring &item_name, bool value);

    void set_builtin_string(const rcstring &section_name,
        const rcstring &item_name, const rcstring &value);

    void set_builtin_long(const rcstring &section_name,
        const rcstring &item_name, long value);

    void set_builtin_bool(const rcstring &section_name,
        const rcstring &item_name, bool value);

    void print(void) const;

private:
    virtual ~configuration();

private:
    configuration();

    void load(void);

    void parse(level_t level, const input::pointer &src);

    typedef std::map<rcstring, configuration_section::pointer> sections_t;

    sections_t sections;

    static configuration *singleton;

    void set(const rcstring &section_name,
        const configuration_item::pointer &item);

    static rcstring canonical_name(const rcstring &name);

    configuration(const configuration &rhs);

    configuration &operator=(const configuration &rhs);
};

#define cfg configuration::get_singleton()

// vim: set ts=8 sw=4 et :
#endif // LIB_CONFIGURATION_H