98 lines
3.8 KiB
C++
98 lines
3.8 KiB
C++
/*
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* Copyright (C) 2016-2021 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CSSCustomPropertyValue.h"
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#include "CSSTokenizer.h"
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namespace WebCore {
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Ref<CSSCustomPropertyValue> CSSCustomPropertyValue::createEmpty(const AtomString& name)
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{
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return adoptRef(*new CSSCustomPropertyValue(name, Monostate { }));
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}
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bool CSSCustomPropertyValue::equals(const CSSCustomPropertyValue& other) const
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{
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if (m_name != other.m_name || m_value.index() != other.m_value.index())
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return false;
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return WTF::switchOn(m_value, [&](const Monostate&) {
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return true;
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}, [&](const Ref<CSSVariableReferenceValue>& value) {
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return value.get() == WTF::get<Ref<CSSVariableReferenceValue>>(other.m_value).get();
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}, [&](const CSSValueID& value) {
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return value == WTF::get<CSSValueID>(other.m_value);
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}, [&](const Ref<CSSVariableData>& value) {
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return value.get() == WTF::get<Ref<CSSVariableData>>(other.m_value).get();
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}, [&](const Length& value) {
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return value == WTF::get<Length>(other.m_value);
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}, [&](const Ref<StyleImage>& value) {
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return value.get() == WTF::get<Ref<StyleImage>>(other.m_value).get();
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});
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}
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String CSSCustomPropertyValue::customCSSText() const
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{
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if (m_stringValue.isNull()) {
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WTF::switchOn(m_value, [&](const Monostate&) {
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m_stringValue = emptyString();
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}, [&](const Ref<CSSVariableReferenceValue>& value) {
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m_stringValue = value->cssText();
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}, [&](const CSSValueID& value) {
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m_stringValue = getValueName(value);
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}, [&](const Ref<CSSVariableData>& value) {
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m_stringValue = value->tokenRange().serialize();
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}, [&](const Length& value) {
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m_stringValue = CSSPrimitiveValue::create(value.value(), CSSUnitType::CSS_PX)->cssText();
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}, [&](const Ref<StyleImage>& value) {
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m_stringValue = value->cssValue()->cssText();
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});
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}
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return m_stringValue;
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}
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Vector<CSSParserToken> CSSCustomPropertyValue::tokens() const
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{
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Vector<CSSParserToken> result;
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WTF::switchOn(m_value, [&](const Monostate&) {
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// Do nothing.
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}, [&](const Ref<CSSVariableReferenceValue>&) {
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ASSERT_NOT_REACHED();
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}, [&](const CSSValueID&) {
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// Do nothing.
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}, [&](const Ref<CSSVariableData>& value) {
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result.appendVector(value->tokens());
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}, [&](auto&) {
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CSSTokenizer tokenizer(customCSSText());
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auto tokenizerRange = tokenizer.tokenRange();
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while (!tokenizerRange.atEnd())
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result.append(tokenizerRange.consume());
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});
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return result;
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}
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}
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