mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* atom list for CSS pseudo-classes */
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#include "mozilla/ArrayUtils.h"
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#include "nsCSSPseudoClasses.h"
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#include "nsStaticAtom.h"
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#include "mozilla/Preferences.h"
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#include "nsString.h"
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using namespace mozilla;
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// define storage for all atoms
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#define CSS_PSEUDO_CLASS(_name, _value, _flags, _pref) \
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static nsIAtom* sPseudoClass_##_name;
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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#define CSS_PSEUDO_CLASS(name_, value_, flags_, pref_) \
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NS_STATIC_ATOM_BUFFER(name_##_pseudo_class_buffer, value_)
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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// Array of nsStaticAtom for each of the pseudo-classes.
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static const nsStaticAtom CSSPseudoClasses_info[] = {
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#define CSS_PSEUDO_CLASS(name_, value_, flags_, pref_) \
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NS_STATIC_ATOM(name_##_pseudo_class_buffer, &sPseudoClass_##name_),
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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};
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// Flags data for each of the pseudo-classes, which must be separate
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// from the previous array since there's no place for it in
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// nsStaticAtom.
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static const uint32_t CSSPseudoClasses_flags[] = {
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#define CSS_PSEUDO_CLASS(name_, value_, flags_, pref_) \
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flags_,
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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};
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static bool sPseudoClassEnabled[] = {
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#define CSS_PSEUDO_CLASS(name_, value_, flags_, pref_) \
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true,
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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};
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void nsCSSPseudoClasses::AddRefAtoms()
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{
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NS_RegisterStaticAtoms(CSSPseudoClasses_info);
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#define CSS_PSEUDO_CLASS(name_, value_, flags_, pref_) \
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if (pref_[0]) { \
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Preferences::AddBoolVarCache(&sPseudoClassEnabled[ePseudoClass_##name_], \
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pref_); \
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}
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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}
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bool
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nsCSSPseudoClasses::HasStringArg(Type aType)
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{
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return aType == ePseudoClass_lang ||
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aType == ePseudoClass_mozEmptyExceptChildrenWithLocalname ||
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aType == ePseudoClass_mozSystemMetric ||
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aType == ePseudoClass_mozLocaleDir ||
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aType == ePseudoClass_dir;
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}
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bool
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nsCSSPseudoClasses::HasNthPairArg(Type aType)
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{
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return aType == ePseudoClass_nthChild ||
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aType == ePseudoClass_nthLastChild ||
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aType == ePseudoClass_nthOfType ||
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aType == ePseudoClass_nthLastOfType;
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}
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void
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nsCSSPseudoClasses::PseudoTypeToString(Type aType, nsAString& aString)
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{
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MOZ_ASSERT(aType < ePseudoClass_Count, "Unexpected type");
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MOZ_ASSERT(aType >= 0, "Very unexpected type");
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(*CSSPseudoClasses_info[aType].mAtom)->ToString(aString);
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}
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nsCSSPseudoClasses::Type
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nsCSSPseudoClasses::GetPseudoType(nsIAtom* aAtom)
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{
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for (uint32_t i = 0; i < ArrayLength(CSSPseudoClasses_info); ++i) {
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if (*CSSPseudoClasses_info[i].mAtom == aAtom) {
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return sPseudoClassEnabled[i] ? Type(i) : ePseudoClass_NotPseudoClass;
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}
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}
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return nsCSSPseudoClasses::ePseudoClass_NotPseudoClass;
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}
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/* static */ bool
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nsCSSPseudoClasses::IsUserActionPseudoClass(Type aType)
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{
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// See http://dev.w3.org/csswg/selectors4/#useraction-pseudos
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return aType == ePseudoClass_hover ||
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aType == ePseudoClass_active ||
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aType == ePseudoClass_focus;
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}
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/* static */ uint32_t
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nsCSSPseudoClasses::FlagsForPseudoClass(const Type aType)
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{
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size_t index = static_cast<size_t>(aType);
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NS_ASSERTION(index < ArrayLength(CSSPseudoClasses_flags),
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"argument must be a pseudo-class");
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return CSSPseudoClasses_flags[index];
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}
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