Method accept

Engine/source/persistence/taml/json/tamlJSONParser.cpp:34–121

//-----------------------------------------------------------------------------

bool TamlJSONParser::accept( const char* pFilename, TamlVisitor& visitor )
{
    // Debug Profiling.
    PROFILE_SCOPE(TamlJSONParser_Accept);

    // Sanity!
    AssertFatal( pFilename != NULL, "Cannot parse a NULL filename." );

    // Expand the file-path.
    char filenameBuffer[1024];
    Con::expandToolScriptFilename( filenameBuffer, sizeof(filenameBuffer), pFilename );

    FileStream stream;

    // File open for read?
    if ( !stream.open( filenameBuffer, Torque::FS::File::Write ) )
    {
        // No, so warn.
        Con::warnf("TamlJSONParser::parse() - Could not open filename '%s' for parse.", filenameBuffer );
        return false;
    }

    // Read JSON file.
    const U32 streamSize = stream.getStreamSize();
    FrameTemp<char> jsonText( streamSize + 1 );
    if ( !stream.read( streamSize, jsonText ) )
    {
        // Warn!
        Con::warnf("TamlJSONParser::parse() - Could not load Taml JSON file from stream.");
        return false;
    }

    // Create JSON document.
    rapidjson::Document inputDocument;
    inputDocument.Parse<0>( jsonText );

    // Close the stream.
    stream.close();

    // Check the document is valid.
    if ( inputDocument.GetType() != rapidjson::kObjectType )
    {
        // Warn!
        Con::warnf("TamlJSONParser::parse() - Load Taml JSON file from stream but was invalid.");
        return false;
    }

    // Set parsing filename.
    setParsingFilename( filenameBuffer );

    // Flag document as not dirty.
    mDocumentDirty = false;

    // Fetch the root.
    rapidjson::Value::MemberIterator rootItr = inputDocument.MemberBegin();

    // Parse root value.
    parseType( rootItr, visitor, true );