bool CSSParser::parseSVGValue(CSSPropertyID propId, bool important)
{
if (!m_valueList->current())
return false;
ValueWithCalculation valueWithCalculation(*m_valueList->current());
CSSValueID id = valueWithCalculation.value().id;
bool valid_primitive = false;
RefPtr<CSSValue> parsedValue;
switch (propId) {
/* The comment to the right defines all valid value of these
* properties as defined in SVG 1.1, Appendix N. Property index */
case CSSPropertyBaselineShift:
// baseline | super | sub | <percentage> | <length> | inherit
if (id == CSSValueBaseline || id == CSSValueSub ||
id >= CSSValueSuper)
valid_primitive = true;
else
valid_primitive = validateUnit(valueWithCalculation, FLength | FPercent, SVGAttributeMode);
break;
case CSSPropertyEnableBackground:
// accumulate | new [x] [y] [width] [height] | inherit
if (id == CSSValueAccumulate) // TODO : new
valid_primitive = true;
break;
case CSSPropertyMarkerStart:
case CSSPropertyMarkerMid:
case CSSPropertyMarkerEnd:
case CSSPropertyMask:
if (id == CSSValueNone)
valid_primitive = true;
else if (valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_URI) {
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.value().string, CSSPrimitiveValue::CSS_URI);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyStrokeMiterlimit: // <miterlimit> | inherit
valid_primitive = validateUnit(valueWithCalculation, FNumber | FNonNeg, SVGAttributeMode);
break;
case CSSPropertyStrokeOpacity: // <opacity-value> | inherit
case CSSPropertyFillOpacity:
case CSSPropertyStopOpacity:
case CSSPropertyFloodOpacity:
valid_primitive = (!id && validateUnit(valueWithCalculation, FNumber | FPercent, SVGAttributeMode));
break;
case CSSPropertyColorProfile: // auto | sRGB | <name> | <uri> inherit
if (id == CSSValueAuto || id == CSSValueSrgb)
valid_primitive = true;
break;
/* Start of supported CSS properties with validation. This is needed for parseShortHand to work
* correctly and allows optimization in applyRule(..)
*/
case CSSPropertyGlyphOrientationVertical: // auto | <angle> | inherit
if (id == CSSValueAuto) {
valid_primitive = true;
break;
}
FALLTHROUGH;
case CSSPropertyGlyphOrientationHorizontal: // <angle> (restricted to _deg_ per SVG 1.1 spec) | inherit
if (valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_DEG || valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_NUMBER) {
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.value().fValue, CSSPrimitiveValue::CSS_DEG);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyPaintOrder:
if (id == CSSValueNormal)
valid_primitive = true;
else
parsedValue = parsePaintOrder();
break;
case CSSPropertyFill: // <paint> | inherit
case CSSPropertyStroke: // <paint> | inherit
{
if (id == CSSValueNone)
parsedValue = SVGPaint::createNone();
else if (id == CSSValueCurrentcolor)
parsedValue = SVGPaint::createCurrentColor();
else if (isValidSystemControlColorValue(id) || id == CSSValueMenu)
parsedValue = SVGPaint::createColor(RenderTheme::defaultTheme()->systemColor(id));
else if (valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_URI) {
if (m_valueList->next()) {
Color color = parseColorFromValue(*m_valueList->current());
if (color.isValid())
parsedValue = SVGPaint::createURIAndColor(valueWithCalculation.value().string, color);
else if (m_valueList->current()->id == CSSValueNone)
parsedValue = SVGPaint::createURIAndNone(valueWithCalculation.value().string);
}
if (!parsedValue)
parsedValue = SVGPaint::createURI(valueWithCalculation.value().string);
} else
parsedValue = parseSVGPaint();
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyStopColor: // TODO : icccolor
case CSSPropertyFloodColor:
case CSSPropertyLightingColor:
if (CSSParser::isValidSystemColorValue(id)
|| (id >= CSSValueAliceblue && id <= CSSValueYellowgreen))
parsedValue = SVGColor::createFromString(valueWithCalculation.value().string);
else if (id == CSSValueCurrentcolor)
parsedValue = SVGColor::createCurrentColor();
else // TODO : svgcolor (iccColor)
parsedValue = parseSVGColor();
if (parsedValue)
m_valueList->next();
break;
case CSSPropertyStrokeWidth: // <length> | inherit
case CSSPropertyStrokeDashoffset:
valid_primitive = validateUnit(valueWithCalculation, FLength | FPercent, SVGAttributeMode);
break;
case CSSPropertyStrokeDasharray: // none | <dasharray> | inherit
if (id == CSSValueNone)
valid_primitive = true;
else
parsedValue = parseSVGStrokeDasharray();
break;
case CSSPropertyKerning: // auto | normal | <length> | inherit
if (id == CSSValueAuto || id == CSSValueNormal)
valid_primitive = true;
else
valid_primitive = validateUnit(valueWithCalculation, FLength, SVGAttributeMode);
break;
case CSSPropertyClipPath: // <uri> | none | inherit
case CSSPropertyFilter:
if (id == CSSValueNone)
valid_primitive = true;
else if (valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_URI) {
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.value().string, (CSSPrimitiveValue::UnitTypes) valueWithCalculation.value().unit);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyWebkitSvgShadow:
if (id == CSSValueNone)
valid_primitive = true;
else {
auto shadowValueList = parseShadow(*m_valueList, propId);
if (shadowValueList) {
addProperty(propId, WTFMove(shadowValueList), important);
m_valueList->next();
return true;
}
return false;
}
break;
/* shorthand properties */
case CSSPropertyMarker:
{
ShorthandScope scope(this, propId);
TemporaryChange<bool> change(m_implicitShorthand, true);
if (!parseValue(CSSPropertyMarkerStart, important))
return false;
if (m_valueList->current()) {
rollbackLastProperties(1);
return false;
}
CSSValue* value = m_parsedProperties.last().value();
addProperty(CSSPropertyMarkerMid, value, important);
addProperty(CSSPropertyMarkerEnd, value, important);
return true;
}
case CSSPropertyCx:
case CSSPropertyCy:
case CSSPropertyR:
case CSSPropertyRx:
case CSSPropertyRy:
case CSSPropertyX:
case CSSPropertyY:
valid_primitive = (!id && validateUnit(valueWithCalculation, FLength | FPercent));
break;
default:
// If you crash here, it's because you added a css property and are not handling it
// in either this switch statement or the one in CSSParser::parseValue
ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", propId);
return false;
}
if (valid_primitive) {
if (id != 0)
parsedValue = CSSPrimitiveValue::createIdentifier(id);
else if (valueWithCalculation.value().unit == CSSPrimitiveValue::CSS_STRING)
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.value().string, (CSSPrimitiveValue::UnitTypes) valueWithCalculation.value().unit);
else if (valueWithCalculation.value().unit >= CSSPrimitiveValue::CSS_NUMBER && valueWithCalculation.value().unit <= CSSPrimitiveValue::CSS_KHZ)
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.value().fValue, (CSSPrimitiveValue::UnitTypes) valueWithCalculation.value().unit);
else if (valueWithCalculation.value().unit >= CSSParserValue::Q_EMS)
parsedValue = CSSPrimitiveValue::createAllowingMarginQuirk(valueWithCalculation.value().fValue, CSSPrimitiveValue::CSS_EMS);
if (isCalculation(valueWithCalculation))
parsedValue = CSSPrimitiveValue::create(valueWithCalculation.calculation());
m_valueList->next();
}
if (!parsedValue || (m_valueList->current() && !inShorthand()))
return false;
addProperty(propId, WTFMove(parsedValue), important);
return true;
}
bool CSSParser::parseSVGValue(int propId, bool important)
{
CSSParserValue* value = m_valueList->current();
if (!value)
return false;
int id = value->id;
bool valid_primitive = false;
RefPtr<CSSValue> parsedValue;
switch (propId) {
/* The comment to the right defines all valid value of these
* properties as defined in SVG 1.1, Appendix N. Property index */
case CSSPropertyAlignmentBaseline:
// auto | baseline | before-edge | text-before-edge | middle |
// central | after-edge | text-after-edge | ideographic | alphabetic |
// hanging | mathematical | inherit
if (id == CSSValueAuto || id == CSSValueBaseline || id == CSSValueMiddle ||
(id >= CSSValueBeforeEdge && id <= CSSValueMathematical))
valid_primitive = true;
break;
case CSSPropertyBaselineShift:
// baseline | super | sub | <percentage> | <length> | inherit
if (id == CSSValueBaseline || id == CSSValueSub ||
id >= CSSValueSuper)
valid_primitive = true;
else
valid_primitive = validUnit(value, FLength|FPercent, false);
break;
case CSSPropertyDominantBaseline:
// auto | use-script | no-change | reset-size | ideographic |
// alphabetic | hanging | mathematical | central | middle |
// text-after-edge | text-before-edge | inherit
if (id == CSSValueAuto || id == CSSValueMiddle ||
(id >= CSSValueUseScript && id <= CSSValueResetSize) ||
(id >= CSSValueCentral && id <= CSSValueMathematical))
valid_primitive = true;
break;
case CSSPropertyEnableBackground:
// accumulate | new [x] [y] [width] [height] | inherit
if (id == CSSValueAccumulate) // TODO : new
valid_primitive = true;
break;
case CSSPropertyMarkerStart:
case CSSPropertyMarkerMid:
case CSSPropertyMarkerEnd:
case CSSPropertyMask:
if (id == CSSValueNone)
valid_primitive = true;
else if (value->unit == CSSPrimitiveValue::CSS_URI) {
parsedValue = CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::CSS_URI);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyClipRule: // nonzero | evenodd | inherit
case CSSPropertyFillRule:
if (id == CSSValueNonzero || id == CSSValueEvenodd)
valid_primitive = true;
break;
case CSSPropertyStrokeMiterlimit: // <miterlimit> | inherit
valid_primitive = validUnit(value, FNumber|FNonNeg, false);
break;
case CSSPropertyStrokeLinejoin: // miter | round | bevel | inherit
if (id == CSSValueMiter || id == CSSValueRound || id == CSSValueBevel)
valid_primitive = true;
break;
case CSSPropertyStrokeLinecap: // butt | round | square | inherit
if (id == CSSValueButt || id == CSSValueRound || id == CSSValueSquare)
valid_primitive = true;
break;
case CSSPropertyStrokeOpacity: // <opacity-value> | inherit
case CSSPropertyFillOpacity:
case CSSPropertyStopOpacity:
case CSSPropertyFloodOpacity:
valid_primitive = (!id && validUnit(value, FNumber|FPercent, false));
break;
case CSSPropertyShapeRendering:
// auto | optimizeSpeed | crispEdges | geometricPrecision | inherit
if (id == CSSValueAuto || id == CSSValueOptimizespeed ||
id == CSSValueCrispedges || id == CSSValueGeometricprecision)
valid_primitive = true;
break;
case CSSPropertyImageRendering: // auto | optimizeSpeed |
case CSSPropertyColorRendering: // optimizeQuality | inherit
if (id == CSSValueAuto || id == CSSValueOptimizespeed ||
id == CSSValueOptimizequality)
valid_primitive = true;
break;
case CSSPropertyColorProfile: // auto | sRGB | <name> | <uri> inherit
if (id == CSSValueAuto || id == CSSValueSrgb)
valid_primitive = true;
break;
case CSSPropertyColorInterpolation: // auto | sRGB | linearRGB | inherit
case CSSPropertyColorInterpolationFilters:
if (id == CSSValueAuto || id == CSSValueSrgb || id == CSSValueLinearrgb)
valid_primitive = true;
break;
/* Start of supported CSS properties with validation. This is needed for parseShortHand to work
* correctly and allows optimization in applyRule(..)
*/
case CSSPropertyTextAnchor: // start | middle | end | inherit
if (id == CSSValueStart || id == CSSValueMiddle || id == CSSValueEnd)
valid_primitive = true;
break;
case CSSPropertyGlyphOrientationVertical: // auto | <angle> | inherit
if (id == CSSValueAuto) {
valid_primitive = true;
break;
}
/* fallthrough intentional */
case CSSPropertyGlyphOrientationHorizontal: // <angle> (restricted to _deg_ per SVG 1.1 spec) | inherit
if (value->unit == CSSPrimitiveValue::CSS_DEG || value->unit == CSSPrimitiveValue::CSS_NUMBER) {
parsedValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::CSS_DEG);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyFill: // <paint> | inherit
case CSSPropertyStroke: // <paint> | inherit
{
if (id == CSSValueNone)
parsedValue = SVGPaint::createNone();
else if (id == CSSValueCurrentcolor)
parsedValue = SVGPaint::createCurrentColor();
else if ((id >= CSSValueActiveborder && id <= CSSValueWindowtext) || id == CSSValueMenu)
parsedValue = SVGPaint::createColor(RenderTheme::defaultTheme()->systemColor(id));
else if (value->unit == CSSPrimitiveValue::CSS_URI) {
RGBA32 c = Color::transparent;
if (m_valueList->next()) {
if (parseColorFromValue(m_valueList->current(), c))
parsedValue = SVGPaint::createURIAndColor(value->string, c);
else if (m_valueList->current()->id == CSSValueNone)
parsedValue = SVGPaint::createURIAndNone(value->string);
}
if (!parsedValue)
parsedValue = SVGPaint::createURI(value->string);
} else
parsedValue = parseSVGPaint();
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyColor: // <color> | inherit
if ((id >= CSSValueAqua && id <= CSSValueWindowtext) ||
(id >= CSSValueAliceblue && id <= CSSValueYellowgreen))
parsedValue = SVGColor::createFromString(value->string);
else
parsedValue = parseSVGColor();
if (parsedValue)
m_valueList->next();
break;
case CSSPropertyStopColor: // TODO : icccolor
case CSSPropertyFloodColor:
case CSSPropertyLightingColor:
if ((id >= CSSValueAqua && id <= CSSValueWindowtext) ||
(id >= CSSValueAliceblue && id <= CSSValueYellowgreen))
parsedValue = SVGColor::createFromString(value->string);
else if (id == CSSValueCurrentcolor)
parsedValue = SVGColor::createCurrentColor();
else // TODO : svgcolor (iccColor)
parsedValue = parseSVGColor();
if (parsedValue)
m_valueList->next();
break;
case CSSPropertyVectorEffect: // none | non-scaling-stroke | inherit
if (id == CSSValueNone || id == CSSValueNonScalingStroke)
valid_primitive = true;
break;
case CSSPropertyWritingMode:
// lr-tb | rl_tb | tb-rl | lr | rl | tb | inherit
if (id == CSSValueLrTb || id == CSSValueRlTb || id == CSSValueTbRl || id == CSSValueLr || id == CSSValueRl || id == CSSValueTb)
valid_primitive = true;
break;
case CSSPropertyStrokeWidth: // <length> | inherit
case CSSPropertyStrokeDashoffset:
valid_primitive = validUnit(value, FLength | FPercent, false);
break;
case CSSPropertyStrokeDasharray: // none | <dasharray> | inherit
if (id == CSSValueNone)
valid_primitive = true;
else
parsedValue = parseSVGStrokeDasharray();
break;
case CSSPropertyKerning: // auto | normal | <length> | inherit
if (id == CSSValueAuto || id == CSSValueNormal)
valid_primitive = true;
else
valid_primitive = validUnit(value, FLength, false);
break;
case CSSPropertyClipPath: // <uri> | none | inherit
case CSSPropertyFilter:
if (id == CSSValueNone)
valid_primitive = true;
else if (value->unit == CSSPrimitiveValue::CSS_URI) {
parsedValue = CSSPrimitiveValue::create(value->string, (CSSPrimitiveValue::UnitTypes) value->unit);
if (parsedValue)
m_valueList->next();
}
break;
case CSSPropertyWebkitSvgShadow:
if (id == CSSValueNone)
valid_primitive = true;
else {
RefPtr<CSSValueList> shadowValueList = parseShadow(m_valueList.get(), propId);
if (shadowValueList) {
addProperty(propId, shadowValueList.release(), important);
m_valueList->next();
return true;
}
return false;
}
/* shorthand properties */
case CSSPropertyMarker:
{
ShorthandScope scope(this, propId);
m_implicitShorthand = true;
if (!parseValue(CSSPropertyMarkerStart, important))
return false;
if (m_valueList->current()) {
rollbackLastProperties(1);
return false;
}
CSSValue* value = m_parsedProperties.last().value();
addProperty(CSSPropertyMarkerMid, value, important);
addProperty(CSSPropertyMarkerEnd, value, important);
m_implicitShorthand = false;
return true;
}
default:
// If you crash here, it's because you added a css property and are not handling it
// in either this switch statement or the one in CSSParser::parseValue
ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", propId);
return false;
}
if (valid_primitive) {
if (id != 0)
parsedValue = CSSPrimitiveValue::createIdentifier(id);
else if (value->unit == CSSPrimitiveValue::CSS_STRING)
parsedValue = CSSPrimitiveValue::create(value->string, (CSSPrimitiveValue::UnitTypes) value->unit);
else if (value->unit >= CSSPrimitiveValue::CSS_NUMBER && value->unit <= CSSPrimitiveValue::CSS_KHZ)
parsedValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
else if (value->unit >= CSSParserValue::Q_EMS)
parsedValue = CSSPrimitiveValue::createAllowingMarginQuirk(value->fValue, CSSPrimitiveValue::CSS_EMS);
if (isCalculation(value)) {
// FIXME calc() http://webkit.org/b/16662 : actually create a CSSPrimitiveValue here, ie
// parsedValue = CSSPrimitiveValue::create(m_parsedCalculation.release());
m_parsedCalculation.release();
parsedValue = 0;
}
m_valueList->next();
}
if (!parsedValue || (m_valueList->current() && !inShorthand()))
return false;
addProperty(propId, parsedValue.release(), important);
return true;
}