1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/style/CSSVariableValues.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,147 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* computed CSS Variable values */
1.10 +
1.11 +#include "CSSVariableValues.h"
1.12 +
1.13 +#include "CSSVariableResolver.h"
1.14 +
1.15 +namespace mozilla {
1.16 +
1.17 +CSSVariableValues::CSSVariableValues()
1.18 +{
1.19 + MOZ_COUNT_CTOR(CSSVariableValues);
1.20 +}
1.21 +
1.22 +CSSVariableValues::CSSVariableValues(const CSSVariableValues& aOther)
1.23 +{
1.24 + MOZ_COUNT_CTOR(CSSVariableValues);
1.25 + CopyVariablesFrom(aOther);
1.26 +}
1.27 +
1.28 +#ifdef DEBUG
1.29 +CSSVariableValues::~CSSVariableValues()
1.30 +{
1.31 + MOZ_COUNT_DTOR(CSSVariableValues);
1.32 +}
1.33 +#endif
1.34 +
1.35 +CSSVariableValues&
1.36 +CSSVariableValues::operator=(const CSSVariableValues& aOther)
1.37 +{
1.38 + if (this == &aOther) {
1.39 + return *this;
1.40 + }
1.41 +
1.42 + mVariableIDs.Clear();
1.43 + mVariables.Clear();
1.44 + CopyVariablesFrom(aOther);
1.45 + return *this;
1.46 +}
1.47 +
1.48 +bool
1.49 +CSSVariableValues::operator==(const CSSVariableValues& aOther) const
1.50 +{
1.51 + if (mVariables.Length() != aOther.mVariables.Length()) {
1.52 + return false;
1.53 + }
1.54 +
1.55 + for (size_t thisIndex = 0; thisIndex < mVariables.Length(); ++thisIndex) {
1.56 + size_t otherIndex;
1.57 + if (!aOther.mVariableIDs.Get(mVariables[thisIndex].mVariableName,
1.58 + &otherIndex)) {
1.59 + return false;
1.60 + }
1.61 + const nsString& otherValue = aOther.mVariables[otherIndex].mValue;
1.62 + if (!mVariables[thisIndex].mValue.Equals(otherValue)) {
1.63 + return false;
1.64 + }
1.65 + }
1.66 +
1.67 + return true;
1.68 +}
1.69 +
1.70 +size_t
1.71 +CSSVariableValues::Count() const
1.72 +{
1.73 + return mVariables.Length();
1.74 +}
1.75 +
1.76 +bool
1.77 +CSSVariableValues::Get(const nsAString& aName, nsString& aValue) const
1.78 +{
1.79 + size_t id;
1.80 + if (!mVariableIDs.Get(aName, &id)) {
1.81 + return false;
1.82 + }
1.83 + aValue = mVariables[id].mValue;
1.84 + return true;
1.85 +}
1.86 +
1.87 +bool
1.88 +CSSVariableValues::Get(const nsAString& aName,
1.89 + nsString& aValue,
1.90 + nsCSSTokenSerializationType& aFirstToken,
1.91 + nsCSSTokenSerializationType& aLastToken) const
1.92 +{
1.93 + size_t id;
1.94 + if (!mVariableIDs.Get(aName, &id)) {
1.95 + return false;
1.96 + }
1.97 + aValue = mVariables[id].mValue;
1.98 + aFirstToken = mVariables[id].mFirstToken;
1.99 + aLastToken = mVariables[id].mLastToken;
1.100 + return true;
1.101 +}
1.102 +
1.103 +void
1.104 +CSSVariableValues::GetVariableAt(size_t aIndex, nsAString& aName) const
1.105 +{
1.106 + aName = mVariables[aIndex].mVariableName;
1.107 +}
1.108 +
1.109 +void
1.110 +CSSVariableValues::Put(const nsAString& aName,
1.111 + nsString aValue,
1.112 + nsCSSTokenSerializationType aFirstToken,
1.113 + nsCSSTokenSerializationType aLastToken)
1.114 +{
1.115 + size_t id;
1.116 + if (mVariableIDs.Get(aName, &id)) {
1.117 + mVariables[id].mValue = aValue;
1.118 + mVariables[id].mFirstToken = aFirstToken;
1.119 + mVariables[id].mLastToken = aLastToken;
1.120 + } else {
1.121 + id = mVariables.Length();
1.122 + mVariableIDs.Put(aName, id);
1.123 + mVariables.AppendElement(Variable(aName, aValue, aFirstToken, aLastToken));
1.124 + }
1.125 +}
1.126 +
1.127 +void
1.128 +CSSVariableValues::CopyVariablesFrom(const CSSVariableValues& aOther)
1.129 +{
1.130 + for (size_t i = 0, n = aOther.mVariables.Length(); i < n; i++) {
1.131 + Put(aOther.mVariables[i].mVariableName,
1.132 + aOther.mVariables[i].mValue,
1.133 + aOther.mVariables[i].mFirstToken,
1.134 + aOther.mVariables[i].mLastToken);
1.135 + }
1.136 +}
1.137 +
1.138 +void
1.139 +CSSVariableValues::AddVariablesToResolver(CSSVariableResolver* aResolver) const
1.140 +{
1.141 + for (size_t i = 0, n = mVariables.Length(); i < n; i++) {
1.142 + aResolver->Put(mVariables[i].mVariableName,
1.143 + mVariables[i].mValue,
1.144 + mVariables[i].mFirstToken,
1.145 + mVariables[i].mLastToken,
1.146 + true);
1.147 + }
1.148 +}
1.149 +
1.150 +} // namespace mozilla
