| /* |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(CSS_TYPED_OM) |
| |
| #include "CSSPropertyNames.h" |
| #include "CSSValue.h" |
| #include "ScriptWrappable.h" |
| #include <wtf/OptionSet.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| template<typename T> class ExceptionOr; |
| struct CSSParserContext; |
| class Document; |
| |
| enum class CSSStyleValueType : uint8_t { |
| CSSStyleValue, |
| CSSStyleImageValue, |
| CSSTransformValue, |
| CSSMathInvert, |
| CSSMathMin, |
| CSSMathMax, |
| CSSMathNegate, |
| CSSMathProduct, |
| CSSMathSum, |
| CSSUnitValue, |
| CSSUnparsedValue, |
| CSSKeywordValue |
| }; |
| |
| inline bool isCSSNumericValue(CSSStyleValueType type) |
| { |
| switch (type) { |
| case CSSStyleValueType::CSSMathInvert: |
| case CSSStyleValueType::CSSMathMin: |
| case CSSStyleValueType::CSSMathMax: |
| case CSSStyleValueType::CSSMathNegate: |
| case CSSStyleValueType::CSSMathProduct: |
| case CSSStyleValueType::CSSMathSum: |
| case CSSStyleValueType::CSSUnitValue: |
| return true; |
| case CSSStyleValueType::CSSStyleValue: |
| case CSSStyleValueType::CSSStyleImageValue: |
| case CSSStyleValueType::CSSTransformValue: |
| case CSSStyleValueType::CSSUnparsedValue: |
| case CSSStyleValueType::CSSKeywordValue: |
| break; |
| } |
| return false; |
| } |
| |
| inline bool isCSSMathValue(CSSStyleValueType type) |
| { |
| switch (type) { |
| case CSSStyleValueType::CSSMathInvert: |
| case CSSStyleValueType::CSSMathMin: |
| case CSSStyleValueType::CSSMathMax: |
| case CSSStyleValueType::CSSMathNegate: |
| case CSSStyleValueType::CSSMathProduct: |
| case CSSStyleValueType::CSSMathSum: |
| return true; |
| case CSSStyleValueType::CSSUnitValue: |
| case CSSStyleValueType::CSSStyleValue: |
| case CSSStyleValueType::CSSStyleImageValue: |
| case CSSStyleValueType::CSSTransformValue: |
| case CSSStyleValueType::CSSUnparsedValue: |
| case CSSStyleValueType::CSSKeywordValue: |
| break; |
| } |
| return false; |
| } |
| |
| enum class SerializationArguments : uint8_t { |
| Nested = 0x1, |
| WithoutParentheses = 0x2, |
| }; |
| |
| class CSSStyleValue : public RefCounted<CSSStyleValue>, public ScriptWrappable { |
| WTF_MAKE_ISO_ALLOCATED(CSSStyleValue); |
| public: |
| String toString() const; |
| virtual void serialize(StringBuilder&, OptionSet<SerializationArguments> = { }) const; |
| |
| IGNORE_GCC_WARNINGS_BEGIN("mismatched-new-delete") |
| // https://webkit.org/b/241516 |
| virtual ~CSSStyleValue() = default; |
| IGNORE_GCC_WARNINGS_END |
| |
| virtual CSSStyleValueType getType() const { return CSSStyleValueType::CSSStyleValue; } |
| |
| static ExceptionOr<Ref<CSSStyleValue>> parse(const AtomString&, const String&); |
| static ExceptionOr<Vector<Ref<CSSStyleValue>>> parseAll(const AtomString&, const String&); |
| |
| static Ref<CSSStyleValue> create(RefPtr<CSSValue>&&, String&& = String()); |
| static Ref<CSSStyleValue> create(); |
| |
| protected: |
| CSSStyleValue(RefPtr<CSSValue>&&, String&& = String()); |
| CSSStyleValue() = default; |
| |
| String m_customPropertyName; |
| RefPtr<CSSValue> m_propertyValue; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |