skin_parser.cpp

uclinux 下的vlc播放器源代码

    {
        RequireDefault( "id" );
        RequireDefault( "font" );
        CheckDefault( "visible", "true" );
        CheckDefault( "flat", "false" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "width", "0" );
        CheckDefault( "height", "0" );
        CheckDefault( "lefttop", "lefttop" );
        CheckDefault( "rightbottom", "lefttop" );
        CheckDefault( "xkeepratio", "false" );
        CheckDefault( "ykeepratio", "false" );
        CheckDefault( "bgimage", "none" );
        CheckDefault( "itemimage", "none" );
        CheckDefault( "openimage", "none" );
        CheckDefault( "closedimage", "none" );
        CheckDefault( "fgcolor", "#000000" );
        CheckDefault( "playcolor", "#FF0000" );
        CheckDefault( "bgcolor1", "#FFFFFF" );
        CheckDefault( "bgcolor2", "#FFFFFF" );
        CheckDefault( "selcolor", "#0000FF" );
        CheckDefault( "help", "" );

        m_curTreeId = uniqueId( attr["id"] );
        const BuilderData::Tree treeData( m_curTreeId, atoi( attr["x"] ) +
                m_xOffset, atoi( attr["y"] ) + m_yOffset, attr["visible"],
                attr["flat"],
                atoi( attr["width"]), atoi( attr["height"] ),
                attr["lefttop"], attr["rightbottom"],
                convertBoolean( attr["xkeepratio"] ),
                convertBoolean( attr["ykeepratio"] ),
                attr["font"], "playtree",
                attr["bgimage"], attr["itemimage"],
                attr["openimage"], attr["closedimage"],
                attr["fgcolor"], attr["playcolor"],
                attr["bgcolor1"], attr["bgcolor2"],
                attr["selcolor"], attr["help"],
                m_curLayer, m_curWindowId, m_curLayoutId );
        m_curLayer++;
        m_pData->m_listTree.push_back( treeData );
    }

    else if( rName == "RadialSlider" )
    {
        RequireDefault( "sequence" );
        RequireDefault( "nbimages" );
        CheckDefault( "id", "none" );
        CheckDefault( "visible", "true" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "lefttop", "lefttop" );
        CheckDefault( "rightbottom", "lefttop" );
        CheckDefault( "xkeepratio", "false" );
        CheckDefault( "ykeepratio", "false" );
        CheckDefault( "minangle", "0" );
        CheckDefault( "maxangle", "360" );
        CheckDefault( "value", "none" );
        CheckDefault( "tooltiptext", "" );
        CheckDefault( "help", "" );

        const BuilderData::RadialSlider radial( uniqueId( attr["id"] ),
                attr["visible"],
                atoi( attr["x"] ) + m_xOffset, atoi( attr["y"] ) + m_yOffset,
                attr["lefttop"], attr["rightbottom"],
                convertBoolean( attr["xkeepratio"] ),
                convertBoolean( attr["ykeepratio"] ), attr["sequence"],
                atoi( attr["nbImages"] ), atof( attr["minAngle"] ) * M_PI /180,
                atof( attr["maxAngle"] ) * M_PI / 180, attr["value"],
                attr["tooltiptext"], attr["help"], m_curLayer, m_curWindowId,
                m_curLayoutId );
        m_curLayer++;
        m_pData->m_listRadialSlider.push_back( radial );
    }

    else if( rName == "Slider" )
    {
        RequireDefault( "up" );
        RequireDefault( "points" );
        CheckDefault( "id", "none" );
        CheckDefault( "visible", "true" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "width", "0" );
        CheckDefault( "height", "0" );
        CheckDefault( "lefttop", "lefttop" );
        CheckDefault( "rightbottom", "lefttop" );
        CheckDefault( "xkeepratio", "false" );
        CheckDefault( "ykeepratio", "false" );
        CheckDefault( "down", "none" );
        CheckDefault( "over", "none" );
        CheckDefault( "thickness", "10" );
        CheckDefault( "value", "none" );
        CheckDefault( "tooltiptext", "" );
        CheckDefault( "help", "" );

        string newValue = attr["value"];
        if( m_curListId != "" )
        {
            // Slider associated to a list
            newValue = "playlist.slider";
        }
        else if( m_curTreeId != "" )
        {
            // Slider associated to a tree
            newValue = "playtree.slider";
        }
        const BuilderData::Slider slider( uniqueId( attr["id"] ),
                attr["visible"], atoi( attr["x"] ) + m_xOffset,
                atoi( attr["y"] ) + m_yOffset, attr["lefttop"],
                attr["rightbottom"], convertBoolean( attr["xkeepratio"] ),
                convertBoolean( attr["ykeepratio"] ), attr["up"], attr["down"],
                attr["over"], attr["points"], atoi( attr["thickness"] ),
                newValue, "none", 0, 0, 0, 0, attr["tooltiptext"],
                attr["help"], m_curLayer, m_curWindowId, m_curLayoutId );
        m_curLayer++;
        m_pData->m_listSlider.push_back( slider );
    }

    else if( rName == "SliderBackground" )
    {
        RequireDefault( "image" );
        CheckDefault( "nbhoriz", "1" );
        CheckDefault( "nbvert", "1" );
        CheckDefault( "padhoriz", "0" );
        CheckDefault( "padvert", "0" );

        // Retrieve the current slider data
        BuilderData::Slider &slider = m_pData->m_listSlider.back();

        slider.m_imageId = attr["image"];
        slider.m_nbHoriz = atoi( attr["nbhoriz"] );
        slider.m_nbVert = atoi( attr["nbvert"] );
        slider.m_padHoriz = atoi( attr["padhoriz"] );
        slider.m_padVert = atoi( attr["padvert"] );
    }

    else if( rName == "Text" )
    {
        RequireDefault( "font" );
        CheckDefault( "id", "none" );
        CheckDefault( "visible", "true" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "text", "" );
        CheckDefault( "color", "#000000" );
        CheckDefault( "scrolling", "auto" );
        CheckDefault( "alignment", "left" );
        CheckDefault( "width", "0" );
        CheckDefault( "lefttop", "lefttop" );
        CheckDefault( "rightbottom", "lefttop" );
        CheckDefault( "xkeepratio", "false" );
        CheckDefault( "ykeepratio", "false" );
        CheckDefault( "help", "" );

        const BuilderData::Text textData( uniqueId( attr["id"] ),
                atoi( attr["x"] ) + m_xOffset, atoi( attr["y"] ) + m_yOffset,
                attr["visible"], attr["font"],
                attr["text"], atoi( attr["width"] ),
                attr["lefttop"], attr["rightbottom"],
                convertBoolean( attr["xkeepratio"] ),
                convertBoolean( attr["ykeepratio"] ),
                convertColor( attr["color"] ),
                attr["scrolling"], attr["alignment"],
                attr["help"], m_curLayer, m_curWindowId, m_curLayoutId );
        m_curLayer++;
        m_pData->m_listText.push_back( textData );
    }

    else if( rName == "Theme" )
    {
        RequireDefault( "version" );
        CheckDefault( "tooltipfont", "defaultfont" );
        CheckDefault( "magnet", "15" );
        CheckDefault( "alpha", "255" );
        CheckDefault( "movealpha", "255" );

        // Check the version
        if( strcmp( attr["version"], SKINS_DTD_VERSION ) )
        {
            msg_Err( getIntf(), "bad theme version : %s (you need version %s)",
                     attr["version"], SKINS_DTD_VERSION );
            m_errors = true;
            return;
        }
        const BuilderData::Theme theme( attr["tooltipfont"],
                atoi( attr["magnet"] ),
                convertInRange( attr["alpha"], 1, 255, "alpha" ),
                convertInRange( attr["movealpha"], 1, 255, "movealpha" ) );
        m_pData->m_listTheme.push_back( theme );
    }

    else if( rName == "ThemeInfo" )
    {
        CheckDefault( "name", "" );
        CheckDefault( "author", "" );
        CheckDefault( "email", "" );
        CheckDefault( "website", "" );
        msg_Info( getIntf(), "skin: %s  author: %s", attr["name"],
                  attr["author"] );
    }

    else if( rName == "Video" )
    {
        CheckDefault( "id", "none" );
        CheckDefault( "visible", "true" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "width", "0" );
        CheckDefault( "height", "0" );
        CheckDefault( "lefttop", "lefttop" );
        CheckDefault( "rightbottom", "lefttop" );
        CheckDefault( "xkeepratio", "false" );
        CheckDefault( "ykeepratio", "false" );
        CheckDefault( "autoresize", "false" );
        CheckDefault( "help", "" );

        const BuilderData::Video videoData( uniqueId( attr["id"] ),
                atoi( attr["x"] ) + m_xOffset, atoi( attr["y"] ) + m_yOffset,
                atoi( attr["width"] ), atoi( attr["height" ]),
                attr["lefttop"], attr["rightbottom"],
                convertBoolean( attr["xkeepratio"] ),
                convertBoolean( attr["ykeepratio"] ),
                attr["visible"], convertBoolean( attr["autoresize"] ),
                attr["help"], m_curLayer, m_curWindowId, m_curLayoutId );
        m_curLayer++;
        m_pData->m_listVideo.push_back( videoData );
    }

    else if( rName == "Window" )
    {
        CheckDefault( "id", "none" );
        CheckDefault( "visible", "true" );
        CheckDefault( "x", "0" );
        CheckDefault( "y", "0" );
        CheckDefault( "dragdrop", "true" );
        CheckDefault( "playondrop", "true" );

        m_curWindowId = uniqueId( attr["id"] );
        const BuilderData::Window window( m_curWindowId,
                atoi( attr["x"] ) + m_xOffset, atoi( attr["y"] ) + m_yOffset,
                convertBoolean( attr["visible"] ),
                convertBoolean( attr["dragdrop"] ),
                convertBoolean( attr["playondrop"] ) );
        m_pData->m_listWindow.push_back( window );
    }
}


void SkinParser::handleEndElement( const string &rName )
{
    if( rName == "Group" )
    {
        m_xOffset -= m_xOffsetList.back();
        m_yOffset -= m_yOffsetList.back();
        m_xOffsetList.pop_back();
        m_yOffsetList.pop_back();
    }
    else if( rName == "Playlist" )
    {
        m_curListId = "";
    }
    else if( rName == "Playtree" )
    {
        m_curTreeId = "";
    }
    else if( rName == "Popup" )
    {
        m_curPopupId = "";
        m_popupPosList.pop_back();
    }
}


bool SkinParser::convertBoolean( const char *value ) const
{
    return strcmp( value, "true" ) == 0;
}


int SkinParser::convertColor( const char *transcolor )
{
    // TODO: move to the builder
    unsigned long iRed, iGreen, iBlue;
    iRed = iGreen = iBlue = 0;
    sscanf( transcolor, "#%2lX%2lX%2lX", &iRed, &iGreen, &iBlue );
    return ( iRed << 16 | iGreen << 8 | iBlue );
}


int SkinParser::convertInRange( const char *value, int minValue, int maxValue,
                                const string &rAttribute ) const
{
    int intValue = atoi( value );

    if( intValue < minValue )
    {
        msg_Warn( getIntf(), "value of \"%s\" attribute (%i) is out of the "
                  "expected range [%i, %i], using %i instead",
                  rAttribute.c_str(), intValue, minValue, maxValue, minValue );
        return minValue;
    }
    else if( intValue > maxValue )
    {
        msg_Warn( getIntf(), "value of \"%s\" attribute (%i) is out of the "
                  "expected range [%i, %i], using %i instead",
                  rAttribute.c_str(), intValue, minValue, maxValue, maxValue );
        return maxValue;
    }
    else
    {
        return intValue;
    }
}


const string SkinParser::generateId() const
{
    static int i = 1;

    char genId[5];
    snprintf( genId, 4, "%i", i++ );

    string base = "_ReservedId_" + (string)genId;

    return base;
}


const string SkinParser::uniqueId( const string &id )
{
    string newId;

    if( m_idSet.find( id ) != m_idSet.end() )
    {
        // The id was already used
        if( id != "none" )
        {
            msg_Warn( getIntf(), "non-unique id: %s", id.c_str() );
        }
        newId = generateId();
    }
    else
    {
        // OK, this is a new id
        newId = id;
    }

    // Add the id to the set
    m_idSet.insert( newId );

    return newId;
}