bool SVGTransformable::parseTransformValue(SVGTransform::SVGTransformType type, const UChar*& ptr, const UChar* end, SVGTransform& transform)
{
    if (type == SVGTransform::SVG_TRANSFORM_UNKNOWN)
        return false;

    int valueCount = 0;
    float values[] = {0, 0, 0, 0, 0, 0};
    if ((valueCount = parseTransformParamList(ptr, end, values, requiredValuesForType[type], optionalValuesForType[type])) < 0)
        return false;

    switch (type) {
    case SVGTransform::SVG_TRANSFORM_UNKNOWN:
        ASSERT_NOT_REACHED();
        break;
    case SVGTransform::SVG_TRANSFORM_SKEWX:
        transform.setSkewX(values[0]);
        break;
    case SVGTransform::SVG_TRANSFORM_SKEWY:
        transform.setSkewY(values[0]);
        break;
    case SVGTransform::SVG_TRANSFORM_SCALE:
        if (valueCount == 1) // Spec: if only one param given, assume uniform scaling
            transform.setScale(values[0], values[0]);
        else
            transform.setScale(values[0], values[1]);
        break;
    case SVGTransform::SVG_TRANSFORM_TRANSLATE:
        if (valueCount == 1) // Spec: if only one param given, assume 2nd param to be 0
            transform.setTranslate(values[0], 0);
        else
            transform.setTranslate(values[0], values[1]);
        break;
    case SVGTransform::SVG_TRANSFORM_ROTATE:
        if (valueCount == 1)
            transform.setRotate(values[0], 0, 0);
        else
            transform.setRotate(values[0], values[1], values[2]);
        break;
    case SVGTransform::SVG_TRANSFORM_MATRIX:
        transform.setMatrix(AffineTransform(values[0], values[1], values[2], values[3], values[4], values[5]));
        break;
    }

    return true;
}
bool SVGTransformable::parseTransformAttribute(SVGTransformList* list, const AtomicString& transform)
{
    double x[] = {0, 0, 0, 0, 0, 0};
    int nr = 0, required = 0, optional = 0;
    
    const UChar* currTransform = transform.characters();
    const UChar* end = currTransform + transform.length();

    bool delimParsed = false;
    while (currTransform < end) {
        delimParsed = false;
        unsigned short type = SVGTransform::SVG_TRANSFORM_UNKNOWN;
        skipOptionalSpaces(currTransform, end);
        
        if (currTransform >= end)
            return false;
        
        if (*currTransform == 's') {
            if (skipString(currTransform, end, skewXDesc, sizeof(skewXDesc) / sizeof(UChar))) {
                required = 1;
                optional = 0;
                type = SVGTransform::SVG_TRANSFORM_SKEWX;
            } else if (skipString(currTransform, end, skewYDesc, sizeof(skewYDesc) / sizeof(UChar))) {
                required = 1;
                optional = 0;
                type = SVGTransform::SVG_TRANSFORM_SKEWY;
            } else if (skipString(currTransform, end, scaleDesc, sizeof(scaleDesc) / sizeof(UChar))) {
                required = 1;
                optional = 1;
                type = SVGTransform::SVG_TRANSFORM_SCALE;
            } else
                return false;
        } else if (skipString(currTransform, end, translateDesc, sizeof(translateDesc) / sizeof(UChar))) {
            required = 1;
            optional = 1;
            type = SVGTransform::SVG_TRANSFORM_TRANSLATE;
        } else if (skipString(currTransform, end, rotateDesc, sizeof(rotateDesc) / sizeof(UChar))) {
            required = 1;
            optional = 2;
            type = SVGTransform::SVG_TRANSFORM_ROTATE;
        } else if (skipString(currTransform, end, matrixDesc, sizeof(matrixDesc) / sizeof(UChar))) {
            required = 6;
            optional = 0;
            type = SVGTransform::SVG_TRANSFORM_MATRIX;
        } else 
            return false;

        if ((nr = parseTransformParamList(currTransform, end, x, required, optional)) < 0)
            return false;

        SVGTransform t;

        switch (type) {
            case SVGTransform::SVG_TRANSFORM_SKEWX:
               t.setSkewX(narrowPrecisionToFloat(x[0]));
                break;
            case SVGTransform::SVG_TRANSFORM_SKEWY:
               t.setSkewY(narrowPrecisionToFloat(x[0]));
                break;
            case SVGTransform::SVG_TRANSFORM_SCALE:
                  if (nr == 1) // Spec: if only one param given, assume uniform scaling
                      t.setScale(narrowPrecisionToFloat(x[0]), narrowPrecisionToFloat(x[0]));
                  else
                      t.setScale(narrowPrecisionToFloat(x[0]), narrowPrecisionToFloat(x[1]));
                break;
            case SVGTransform::SVG_TRANSFORM_TRANSLATE:
                  if (nr == 1) // Spec: if only one param given, assume 2nd param to be 0
                      t.setTranslate(narrowPrecisionToFloat(x[0]), 0);
                  else
                      t.setTranslate(narrowPrecisionToFloat(x[0]), narrowPrecisionToFloat(x[1]));
                break;
            case SVGTransform::SVG_TRANSFORM_ROTATE:
                  if (nr == 1)
                      t.setRotate(narrowPrecisionToFloat(x[0]), 0, 0);
                  else
                      t.setRotate(narrowPrecisionToFloat(x[0]), narrowPrecisionToFloat(x[1]), narrowPrecisionToFloat(x[2]));
                break;
            case SVGTransform::SVG_TRANSFORM_MATRIX:
                t.setMatrix(AffineTransform(x[0], x[1], x[2], x[3], x[4], x[5]));
                break;
        }

        ExceptionCode ec = 0;
        list->appendItem(t, ec);
        skipOptionalSpaces(currTransform, end);
        if (currTransform < end && *currTransform == ',') {
            delimParsed = true;
            currTransform++;
        }
        skipOptionalSpaces(currTransform, end);
    }

    return !delimParsed;
}