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->RawSet() : nullptr,
  30                             aCurrentColor, &aValue, aResultColor,
  31                             aWasCurrentColor, aLoader);
  32 }
  33
  34 /* static */
  35 already_AddRefed<RawServoDeclarationBlock> ServoCSSParser::ParseProperty(
  36     nsCSSPropertyID aProperty, const nsAString& aValue,
  37     const ParsingEnvironment& aParsingEnvironment, ParsingMode aParsingMode) {
  38   NS_ConvertUTF16toUTF8 value(aValue);
  39   return Servo_ParseProperty(
  40              aProperty, &value, aParsingEnvironment.mUrlExtraData, aParsingMode,
  41              aParsingEnvironment.mCompatMode, aParsingEnvironment.mLoader)
  42       .Consume();
  43 }
  44
  45 /* static */
  46 bool ServoCSSParser::ParseEasing(const nsAString& aValue, URLExtraData* aUrl,
  47                                  nsTimingFunction& aResult) {
  48   return Servo_ParseEasing(&aValue, aUrl, &aResult);
  49 }
  50
  51 /* static */
  52 bool ServoCSSParser::ParseTransformIntoMatrix(const nsACString& aValue,
  53                                               bool& aContains3DTransform,
  54                                               gfx::Matrix4x4& aResult) {
  55   return Servo_ParseTransformIntoMatrix(&aValue, &aContains3DTransform,
  56                                         &aResult.components);
  57 }
  58
  59 /* static */
  60 bool ServoCSSParser::ParseFontShorthandForMatching(
  61     const nsAString& aValue, URLExtraData* aUrl, RefPtr<SharedFontList>& aList,
  62     StyleComputedFontStyleDescriptor& aStyle, float& aStretch, float& aWeight) {
  63   return Servo_ParseFontShorthandForMatching(&aValue, aUrl, &aList, &aStyle,
  64                                              &aStretch, &aWeight);
  65 }
  66
  67 /* static */
  68 already_AddRefed<URLExtraData> ServoCSSParser::GetURLExtraData(
  69     Document* aDocument) {
  70   MOZ_ASSERT(aDocument);
  71
  72   nsCOMPtr<nsIReferrerInfo> referrerInfo =
  73       ReferrerInfo::CreateForInternalCSSResources(aDocument);
  74
  75   // FIXME this is using the wrong base uri (bug 1343919)
  76   RefPtr<URLExtraData> url = new URLExtraData(
  77       aDocument->GetDocumentURI(), referrerInfo, aDocument->NodePrincipal());
  78   return url.forget();
  79 }
  80
  81 /* static */ ServoCSSParser::ParsingEnvironment
  82 ServoCSSParser::GetParsingEnvironment(Document* aDocument) {
  83   return ParsingEnvironment(GetURLExtraData(aDocument),
  84                             aDocument->GetCompatibilityMode(),
  85                             aDocument->CSSLoader());
  86 }