Method parseScript

OgreMain/src/OgreRenderSystemCapabilitiesSerializer.cpp:195–331

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    //-----------------------------------------------------------------------
    void RenderSystemCapabilitiesSerializer::parseScript(DataStreamPtr& stream)
    {
        // reset parsing data to NULL
        mCurrentLineNumber = 0;
        mCurrentLine = 0;
        mCurrentStream.reset();
        mCurrentCapabilities = 0;

        mCurrentStream = stream;

        // parser operating data
        String line;
        ParseAction parseAction = PARSE_HEADER;
        StringVector tokens;
        bool parsedAtLeastOneRSC = false;

        // collect capabilities lines (i.e. everything that is not header, "{", "}",
        // comment or empty line) for further processing
        CapabilitiesLinesList capabilitiesLines;

        // for reading data
        char tmpBuf[OGRE_STREAM_TEMP_SIZE]; 


        // TODO: build a smarter tokenizer so that "{" and "}"
        // don't need separate lines
        while (!stream->eof())
        {
            stream->readLine(tmpBuf, OGRE_STREAM_TEMP_SIZE-1);
            line = String(tmpBuf);
            StringUtil::trim(line);

            // keep track of parse position
            mCurrentLine = &line;
            mCurrentLineNumber++;

            tokens = StringUtil::split(line);

            // skip empty and comment lines
            // TODO: handle end of line comments
            if (tokens[0] == "" || tokens[0].substr(0,2) == "//")
                continue;

            switch (parseAction)
            {
                // header line must look like this:
                // render_system_capabilities "Vendor Card Name Version xx.xxx"

                case PARSE_HEADER:

                    if(tokens[0] != "render_system_capabilities")
                    {
                        logParseError("The first keyword must be render_system_capabilities. RenderSystemCapabilities NOT created!");
                        return;
                    }
                    else
                    {
                        // the rest of the tokens are irrevelant, beause everything between "..." is one name