conf.h

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/*
 * $File: conf.h
 * $Author: Jiakai -- [e-mail]
 * $Date: Sat Nov 29 00:23:53 2008
*/
/*
Copyright (C) (2008) (Jiakai) <[e-mail]>

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 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef HEADER_CONF
#define HEADER_CONF
const int INTEGER_LENGTH = 20;
const int DOUBLE_LENGTH  = 100;
class Conf
{
	struct List_section;
	struct List_item;
	List_section *datahead, *datatail;
	char *filename;
	void init();
	List_section* lookfor_section(const char *name) const; // return NULL if nothing is found.
	List_item* lookfor_item(const List_section *section, const char *name) const; //return NULL if nothing is found.
public:
	Conf(const char *file);
	bool read(const char *section, const char *item, double &value) const;
	bool read(const char *section, const char *item, int &value) const;
	bool read(const char *section, const char *item, char *value, unsigned maxlen) const; //maxlen does not include the '\0'.
	void write(const char *section, const char *item, double value);
	void write(const char *section, const char *item, int value);
	void write(const char *section, const char *item, const char *value);
	void delitem(const char *section, const char *item);
	void delsection(const char *section);
	void del_all();
	bool save() const;
	unsigned long int item_len(const char *section, const char *item) const;
	const char * get_file_path() const;
	~Conf();
};
#endif //HEADER_CONF