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File Name: mfx_plugin_cfg_parser.h

\* ****************************************************************************** */

#if !defined(__MFX_PLUGIN_CFG_PARSER_H)
#define __MFX_PLUGIN_CFG_PARSER_H

#include "mfx_dispatcher_defs.h"
#include "mfx/mfxplugin.h"
#include "mfx_vector.h"
#include "mfx_plugin_hive.h"
#include <string.h>
#include <memory>
#include <stdio.h>

#pragma once

namespace MFX
{
    class PluginConfigParser
    {
    public:

        enum
        {
            PARSED_TYPE        = 1,
            PARSED_CODEC_ID    = 2,
            PARSED_UID         = 4,
            PARSED_PATH        = 8,
            PARSED_DEFAULT     = 16,
            PARSED_VERSION     = 32,
            PARSED_API_VERSION = 64,
            PARSED_NAME        = 128,
        };

        explicit PluginConfigParser(const char * name);
        ~PluginConfigParser();

        // Returns current section name if any
        bool GetCurrentPluginName(char * pluginName, int nChars);

        template <size_t N>
        bool GetCurrentPluginName(char (& pluginName)[N])
        {
            return this->GetCurrentPluginName(pluginName, N);
        }

        // Tries to advance to the next section in config file
        bool AdvanceToNextPlugin();
        // Return to first line of the file
        bool Rewind();
        // Enumerates sections in currect file (no section headers - 1 section)
        int GetPluginCount();
        // Parses plugin parameters from current section
        bool ParsePluginParams(PluginDescriptionRecord & dst, mfxU32 & parsedFields);

    private:
        FILE * cfgFile;
        fpos_t sectionStart;

        bool ParseSingleParameter(const char * name, char * value, PluginDescriptionRecord & dst, mfxU32 & parsedFields);
    };

    bool parseGUID(const char* src, mfxU8* guid);
}

#endif // __MFX_PLUGIN_CFG_PARSER_H