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 already_AddRefed<StyleLockedDeclarationBlock> ServoCSSParser::ParseProperty(
  37     nsCSSPropertyID aProperty, const nsACString& aValue,
  38     const ParsingEnvironment& aParsingEnvironment,
  39     const StyleParsingMode& aParsingMode) {
  40   AnimatedPropertyID property(aProperty);
  41   return ParseProperty(property, aValue, aParsingEnvironment, aParsingMode);
  42 }
  43
  44 /* static */
  45 already_AddRefed<StyleLockedDeclarationBlock> ServoCSSParser::ParseProperty(
  46     const AnimatedPropertyID& aProperty, const nsACString& aValue,
  47     const ParsingEnvironment& aParsingEnvironment,
  48     const StyleParsingMode& aParsingMode) {
  49   return Servo_ParseProperty(
  50              &aProperty, &aValue, aParsingEnvironment.mUrlExtraData,
  51              aParsingMode, aParsingEnvironment.mCompatMode,
  52              aParsingEnvironment.mLoader, aParsingEnvironment.mRuleType)
  53       .Consume();
  54 }
  55
  56 /* static */
  57 bool ServoCSSParser::ParseEasing(const nsACString& aValue,
  58                                  StyleComputedTimingFunction& aResult) {
  59   return Servo_ParseEasing(&aValue, &aResult);
  60 }
  61
  62 /* static */
  63 bool ServoCSSParser::ParseTransformIntoMatrix(const nsACString& aValue,
  64                                               bool& aContains3DTransform,
  65                                               gfx::Matrix4x4& aResult) {
  66   return Servo_ParseTransformIntoMatrix(&aValue, &aContains3DTransform,
  67                                         &aResult.components);
  68 }
  69
  70 /* static */
  71 bool ServoCSSParser::ParseFontShorthandForMatching(
  72     const nsACString& aValue, URLExtraData* aUrl, StyleFontFamilyList& aList,
  73     StyleFontStyle& aStyle, StyleFontStretch& aStretch,
  74     StyleFontWeight& aWeight, float* aSize, bool* aSmallCaps) {
  75   return Servo_ParseFontShorthandForMatching(
  76       &aValue, aUrl, &aList, &aStyle, &aStretch, &aWeight, aSize, aSmallCaps);
  77 }
  78
  79 /* static */
  80 already_AddRefed<URLExtraData> ServoCSSParser::GetURLExtraData(
  81     Document* aDocument) {
  82   MOZ_ASSERT(aDocument);
  83   return do_AddRef(aDocument->DefaultStyleAttrURLData());
  84 }
  85
  86 /* static */ ServoCSSParser::ParsingEnvironment
  87 ServoCSSParser::GetParsingEnvironment(Document* aDocument) {
  88   return {GetURLExtraData(aDocument), aDocument->GetCompatibilityMode(),
  89           aDocument->CSSLoader()};
  90 }