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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SizesCalcParser_h | 5 #ifndef SizesCalcParser_h |
| 6 #define SizesCalcParser_h | 6 #define SizesCalcParser_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/css/MediaValues.h" | 9 #include "core/css/MediaValues.h" |
| 10 #include "core/css/parser/CSSParserToken.h" | 10 #include "core/css/parser/CSSParserToken.h" |
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| 30 : value(numericValue) | 30 : value(numericValue) |
| 31 , isLength(length) | 31 , isLength(length) |
| 32 , operation(0) | 32 , operation(0) |
| 33 { | 33 { |
| 34 } | 34 } |
| 35 }; | 35 }; |
| 36 | 36 |
| 37 class CORE_EXPORT SizesCalcParser { | 37 class CORE_EXPORT SizesCalcParser { |
| 38 STACK_ALLOCATED(); | 38 STACK_ALLOCATED(); |
| 39 public: | 39 public: |
| 40 SizesCalcParser(CSSParserTokenRange, RawPtr<MediaValues>); | 40 SizesCalcParser(CSSParserTokenRange, MediaValues*); |
| 41 | 41 |
| 42 float result() const; | 42 float result() const; |
| 43 bool isValid() const { return m_isValid; } | 43 bool isValid() const { return m_isValid; } |
| 44 | 44 |
| 45 private: | 45 private: |
| 46 bool calcToReversePolishNotation(CSSParserTokenRange); | 46 bool calcToReversePolishNotation(CSSParserTokenRange); |
| 47 bool calculate(); | 47 bool calculate(); |
| 48 void appendNumber(const CSSParserToken&); | 48 void appendNumber(const CSSParserToken&); |
| 49 bool appendLength(const CSSParserToken&); | 49 bool appendLength(const CSSParserToken&); |
| 50 bool handleOperator(Vector<CSSParserToken>& stack, const CSSParserToken&); | 50 bool handleOperator(Vector<CSSParserToken>& stack, const CSSParserToken&); |
| 51 void appendOperator(const CSSParserToken&); | 51 void appendOperator(const CSSParserToken&); |
| 52 | 52 |
| 53 Vector<SizesCalcValue> m_valueList; | 53 Vector<SizesCalcValue> m_valueList; |
| 54 Member<MediaValues> m_mediaValues; | 54 Member<MediaValues> m_mediaValues; |
| 55 bool m_isValid; | 55 bool m_isValid; |
| 56 float m_result; | 56 float m_result; |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 } // namespace blink | 59 } // namespace blink |
| 60 | 60 |
| 61 #endif // SizesCalcParser_h | 61 #endif // SizesCalcParser_h |
| 62 | 62 |
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