layout/style/ServoCSSParser.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* CSS parsing utility functions */
   8
   9 #include "ServoCSSParser.h"
  10
  11 #include "mozilla/AnimatedPropertyID.h"
  12 #include "mozilla/ServoBindings.h"
  13 #include "mozilla/ServoStyleSet.h"
  14 #include "mozilla/dom/Document.h"
  15
  16 using namespace mozilla;
  17 using namespace mozilla::dom;
  18
  19 /* static */
  20 bool ServoCSSParser::IsValidCSSColor(const nsACString& aValue) {
  21   return Servo_IsValidCSSColor(&aValue);
  22 }
  23
  24 /* static */
  25 bool ServoCSSParser::ComputeColor(ServoStyleSet* aStyleSet,
  26                                   nscolor aCurrentColor,
  27                                   const nsACString& aValue,
  28                                   nscolor* aResultColor, bool* aWasCurrentColor,
  29                                   css::Loader* aLoader) {
  30   return Servo_ComputeColor(aStyleSet ? aStyleSet->RawData() : nullptr,
  31                             aCurrentColor, &aValue, aResultColor,
  32                             aWasCurrentColor, aLoader);
  33 }
  34
  35 /* static */
  36 bool ServoCSSParser::ColorTo(const nsACString& aFromColor,
  37                              const nsACString& aToColorSpace,
  38                              nsACString* aResultColor,
  39                              nsTArray<float>* aResultComponents,
  40                              bool* aResultAdjusted, css::Loader* aLoader) {
  41   return Servo_ColorTo(&aFromColor, &aToColorSpace, aResultColor,
  42                        aResultComponents, aResultAdjusted, aLoader);
  43 }
  44
  45 /* static */
  46 already_AddRefed<StyleLockedDeclarationBlock> ServoCSSParser::ParseProperty(
  47     nsCSSPropertyID aProperty, const nsACString& aValue,
  48     const ParsingEnvironment& aParsingEnvironment,
  49     const StyleParsingMode& aParsingMode) {
  50   AnimatedPropertyID property(aProperty);
  51   return ParseProperty(property, aValue, aParsingEnvironment, aParsingMode);
  52 }
  53
  54 /* static */
  55 already_AddRefed<StyleLockedDeclarationBlock> ServoCSSParser::ParseProperty(
  56     const AnimatedPropertyID& aProperty, const nsACString& aValue,
  57     const ParsingEnvironment& aParsingEnvironment,
  58     const StyleParsingMode& aParsingMode) {
  59   return Servo_ParseProperty(
  60              &aProperty, &aValue, aParsingEnvironment.mUrlExtraData,
  61              aParsingMode, aParsingEnvironment.mCompatMode,
  62              aParsingEnvironment.mLoader, aParsingEnvironment.mRuleType)
  63       .Consume();
  64 }
  65
  66 /* static */
  67 bool ServoCSSParser::ParseEasing(const nsACString& aValue,
  68                                  StyleComputedTimingFunction& aResult) {
  69   return Servo_ParseEasing(&aValue, &aResult);
  70 }
  71
  72 /* static */
  73 bool ServoCSSParser::ParseTransformIntoMatrix(const nsACString& aValue,
  74                                               bool& aContains3DTransform,
  75                                               gfx::Matrix4x4& aResult) {
  76   return Servo_ParseTransformIntoMatrix(&aValue, &aContains3DTransform,
  77                                         &aResult.components);
  78 }
  79
  80 /* static */
  81 bool ServoCSSParser::ParseFontShorthandForMatching(
  82     const nsACString& aValue, URLExtraData* aUrl, StyleFontFamilyList& aList,
  83     StyleFontStyle& aStyle, StyleFontStretch& aStretch,
  84     StyleFontWeight& aWeight, float* aSize, bool* aSmallCaps) {
  85   return Servo_ParseFontShorthandForMatching(
  86       &aValue, aUrl, &aList, &aStyle, &aStretch, &aWeight, aSize, aSmallCaps);
  87 }
  88
  89 /* static */
  90 already_AddRefed<URLExtraData> ServoCSSParser::GetURLExtraData(
  91     Document* aDocument) {
  92   MOZ_ASSERT(aDocument);
  93   return do_AddRef(aDocument->DefaultStyleAttrURLData());
  94 }
  95
  96 /* static */ ServoCSSParser::ParsingEnvironment
  97 ServoCSSParser::GetParsingEnvironment(Document* aDocument) {
  98   return {GetURLExtraData(aDocument), aDocument->GetCompatibilityMode(),
  99           aDocument->CSSLoader()};
 100 }