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/ServoBindings.h"
  12 #include "mozilla/ServoStyleSet.h"
  13 #include "mozilla/dom/Document.h"
  14
  15 using namespace mozilla;
  16 using namespace mozilla::dom;
  17
  18 /* static */
  19 bool ServoCSSParser::IsValidCSSColor(const nsACString& aValue) {
  20   return Servo_IsValidCSSColor(&aValue);
  21 }
  22
  23 /* static */
  24 bool ServoCSSParser::ComputeColor(ServoStyleSet* aStyleSet,
  25                                   nscolor aCurrentColor,
  26                                   const nsACString& aValue,
  27                                   nscolor* aResultColor, bool* aWasCurrentColor,
  28                                   css::Loader* aLoader) {
  29   return Servo_ComputeColor(aStyleSet ? aStyleSet->RawData() : nullptr,
  30                             aCurrentColor, &aValue, aResultColor,
  31                             aWasCurrentColor, aLoader);
  32 }
  33
  34 /* static */
  35 already_AddRefed<StyleLockedDeclarationBlock> ServoCSSParser::ParseProperty(
  36     nsCSSPropertyID aProperty, const nsACString& aValue,
  37     const ParsingEnvironment& aParsingEnvironment,
  38     const StyleParsingMode& aParsingMode) {
  39   return Servo_ParseProperty(
  40              aProperty, &aValue, aParsingEnvironment.mUrlExtraData,
  41              aParsingMode, aParsingEnvironment.mCompatMode,
  42              aParsingEnvironment.mLoader, aParsingEnvironment.mRuleType)
  43       .Consume();
  44 }
  45
  46 /* static */
  47 bool ServoCSSParser::ParseEasing(const nsACString& aValue,
  48                                  StyleComputedTimingFunction& aResult) {
  49   return Servo_ParseEasing(&aValue, &aResult);
  50 }
  51
  52 /* static */
  53 bool ServoCSSParser::ParseTransformIntoMatrix(const nsACString& aValue,
  54                                               bool& aContains3DTransform,
  55                                               gfx::Matrix4x4& aResult) {
  56   return Servo_ParseTransformIntoMatrix(&aValue, &aContains3DTransform,
  57                                         &aResult.components);
  58 }
  59
  60 /* static */
  61 bool ServoCSSParser::ParseFontShorthandForMatching(
  62     const nsACString& aValue, URLExtraData* aUrl, StyleFontFamilyList& aList,
  63     StyleFontStyle& aStyle, StyleFontStretch& aStretch,
  64     StyleFontWeight& aWeight, float* aSize, bool* aSmallCaps) {
  65   return Servo_ParseFontShorthandForMatching(
  66       &aValue, aUrl, &aList, &aStyle, &aStretch, &aWeight, aSize, aSmallCaps);
  67 }
  68
  69 /* static */
  70 already_AddRefed<URLExtraData> ServoCSSParser::GetURLExtraData(
  71     Document* aDocument) {
  72   MOZ_ASSERT(aDocument);
  73   return do_AddRef(aDocument->DefaultStyleAttrURLData());
  74 }
  75
  76 /* static */ ServoCSSParser::ParsingEnvironment
  77 ServoCSSParser::GetParsingEnvironment(Document* aDocument) {
  78   return {GetURLExtraData(aDocument), aDocument->GetCompatibilityMode(),
  79           aDocument->CSSLoader()};
  80 }