openmohaa/code/qcommon/configurator.h

/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA source code 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.

OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// configurator.h: Config class for INI files.

#ifndef __CONFIGURATOR_H__
#define __CONFIGURATOR_H__

#include <listener.h>

#define MAX_CONFIGURATOR_ARRAY_SIZE 2048

typedef struct configValue_s {
    bool m_bNeedWrite;
    str value;
} configValue_t;

typedef struct configKey_s {
    bool m_bNeedWrite;
    str name;
    Container<configValue_t> value;
    bool m_bArray;
} configKey_t;

typedef struct configSection_s {
    bool m_bNeedWrite;
    str name;
    Container<configKey_t*> key;
} configSection_t;

enum { LINE_EMPTY, LINE_COMMENT, LINE_SECTION, LINE_VALUE, LINE_ERROR };

class Configurator : public Class
{
private:
    str m_filename;
    bool m_bNoWrite;
    bool m_bNeedWrite;

    con_set<str, configSection_t> m_sections;
    Container<configSection_t*> m_reverseSections;

private:
    size_t GetLine(char* dest, const char* data, size_t size);
    str GetValue(const char* section, const char* key, str defaultValue,
                 int index = -1);
    configKey_t* GetKey(const char* section, const char* key, int index = -1);

    int CutLine(char* data);
    bool SetupLine(char* line, int& lineno, size_t& len, size_t& last);
    bool FindData(int type, const char* section, const char* key,
                  size_t* offset, const char* data, size_t size);
    void ParseData(const char* data, size_t size);
    void WriteData(char** data, size_t* size);
    void WriteData2(char** data, size_t* size);
    int ParseLine(char* line, char* section, char* key, char* value);

    configSection_t* CreateSection(const char* section);
    configSection_t* FindSection(const char* section);
    int GetKeyArray(char* key);
    int GetKeyArray(str& key);
    configKey_t* CreateKey(configSection_t* section, const char* key,
                           unsigned int* index);
    configKey_t* FindKey(configSection_t* section, const char* key);
    void RemoveSection(configSection_t* section);
    void RemoveKey(configSection_t* section, configKey_t* key);

public:
    CLASS_PROTOTYPE(Configurator);

    Configurator(const char* filename);
    Configurator();
    ~Configurator();

    void Parse(const char* filename);
    void Close();
    void SetWrite(bool bWrite);

    str GetString(const char* section, const char* key, str defaultValue,
                  int index = -1);
    int GetInteger(const char* section, const char* key, int defaultValue,
                   int index = -1);
    float GetFloat(const char* section, const char* key, float defaultValue,
                   int index = -1);
    void SetString(const char* section, const char* key, str value,
                   int index = -1);
    void SetInteger(const char* section, const char* key, int value,
                    int index = -1);
    void SetFloat(const char* section, const char* key, float value,
                  int index = -1);
};

void test_config(void);

#endif /* __CONFIGURATOR_H__ */