Resource.h

/*
 * $Id: Resource.h 2839 2009-09-28 11:36:20Z karijes $
 *
 * Resource reader and writer
 * Copyright (c) 2008-2009 edelib authors
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __EDELIB_RESOURCE_H__
#define __EDELIB_RESOURCE_H__

#include "String.h"

EDELIB_NS_BEGIN

enum ResourceType {
        RES_SYS_FIRST,   
        RES_USER_FIRST,  
        RES_SYS_ONLY,    
        RES_USER_ONLY    
};

class Config;

class EDELIB_API Resource {
private:
        Config* sys_conf;
        Config* user_conf;

        E_DISABLE_CLASS_COPY(Resource)
public:
        Resource();

        ~Resource();

        bool load(const char* domain, const char* prefix = "ede");

        bool save(const char* domain, const char* prefix = "ede");

        void clear(void);

        operator bool(void) const   { return (sys_conf != NULL || user_conf != NULL); }

        bool get(const char* section, const char* key, char* ret, unsigned int size, 
                        ResourceType rt = RES_USER_FIRST);

        bool get_localized(const char* section, const char* key, char* ret, unsigned int size, 
                        ResourceType rt = RES_USER_FIRST);

        bool get_allocated(const char* section, const char* key, char** ret, unsigned int& retsize, 
                        ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, int& ret, int dfl = 0, ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, bool& ret, bool dfl = false, ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, float& ret, float dfl = 0, ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, long& ret, long dfl = 0, ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, double& ret, double dfl = 0, ResourceType rt = RES_USER_FIRST);

        bool get(const char* section, const char* key, char& ret, char dfl = 0, ResourceType rt = RES_USER_FIRST);

        void set(const char* section, const char* key, char* val);

        void set(const char* section, const char* key, const char* val);

        void set_localized(const char* section, const char* key, char* val);

        void set_localized(const char* section, const char* key, const char* val);

        void set(const char* section, const char* key, bool val);

        void set(const char* section, const char* key, int val);

        void set(const char* section, const char* key, long val);

        void set(const char* section, const char* key, float val);

        void set(const char* section, const char* key, double val);

        static String find_config(const char* name, ResourceType rt = RES_USER_FIRST, const char* prefix = "ede");

        static String find_in_config_dir(const char* name, ResourceType rt = RES_USER_FIRST, const char* prefix = "ede");
        
        static String find_data(const char* name, ResourceType rt = RES_USER_FIRST, const char* prefix = "ede");
};

EDELIB_NS_END
#endif