Pogolyn: pg_conf.h Source File

00001 /*
00002     Copyright (c) 2007-2009 Takashi Kitao
00003     All rights reserved.
00004 
00005     Redistribution and use in source and binary forms, with or without
00006     modification, are permitted provided that the following conditions
00007     are met:
00008 
00009     1. Redistributions of source code must retain the above copyright
00010     `  notice, this list of conditions and the following disclaimer.
00011 
00012     2. Redistributions in binary form must reproduce the above copyright
00013     `  notice, this list of conditions and the following disclaimer in the
00014     `  documentation and/or other materials provided with the distribution.
00015 
00016     3. The name of the author may not be used to endorse or promote products
00017     `  derived from this software without specific prior written permission.
00018 
00019     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00020     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00021     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00022     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00023     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00024     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00025     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00026     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00027     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00028     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 */
00030 
00031 
00032 class pgConfMgr;
00033 
00034 
00039 class PG_API pgConf
00040 {
00041     friend class pgConfMgr;
00042 
00043 public:
00044     pgDefineException(ExceptionCannotOpenFile);
00045     pgDefineException(ExceptionCannotReadFile);
00046     pgDefineException(ExceptionInvalidArgument);
00047     pgDefineException(ExceptionInvalidCall);
00048 
00049     pgConf* getPrevN() const;
00050     pgConf* getNextN() const;
00051 
00052     pgID getID() const;
00053     bool isValid() const;
00054     u16 getErrorLineNo() const;
00055 
00056     u16 getEntryNum(const char* ent_name) const;
00057     pgEnt* getEntryFromFirstN(const char* ent_name) const;
00058     pgEnt* getEntryFromLastN(const char* ent_name) const;
00059     pgEnt* getEntryBeforeN(const char* ent_name, pgEnt* ent) const;
00060     pgEnt* getEntryAfterN(const char* ent_name, pgEnt* ent) const;
00061 
00062     pgEnt* getFirstEntryN() const;
00063     pgEnt* getLastEntryN() const;
00064 
00065     static pgConf* newPriorConfigBeforeInitialization(const char* filename);
00066     static void deletePriorConfig(pgConf* conf);
00067 
00068 private:
00069     pgConf(pgID id, const void* data, u32 data_size);
00070     pgConf(pgID id, const void* data, u32 data_size, void* dummy);
00071     ~pgConf();
00072     void operator=(const pgConf&);
00073 
00074     pgEnt* newEntry(const char* ent_name, u16 val_num);
00075     void deleteEntry(pgEnt* ent);
00076 
00077     void parse(const void* data, u32 data_size);
00078 
00079     pgID m_id;
00080     u16 m_err_line_no;
00081     pgList<pgEnt> m_ent_list;
00082     void* (*m_malloc)(u32 size);
00083     void (*m_free)(void* ptr);
00084 };