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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #include "core/css/CSSCalculationValue.h" | 31 #include "core/css/CSSCalculationValue.h" |
| 32 | 32 |
| 33 #include "core/css/CSSPrimitiveValueMappings.h" | 33 #include "core/css/CSSPrimitiveValueMappings.h" |
| 34 #include "core/css/resolver/StyleResolver.h" | 34 #include "core/css/resolver/StyleResolver.h" |
| 35 #include "wtf/MathExtras.h" | 35 #include "platform/wtf/MathExtras.h" |
| 36 #include "wtf/text/StringBuilder.h" | 36 #include "platform/wtf/text/StringBuilder.h" |
| 37 | 37 |
| 38 static const int maxExpressionDepth = 100; | 38 static const int maxExpressionDepth = 100; |
| 39 | 39 |
| 40 enum ParseState { OK, TooDeep, NoMoreTokens }; | 40 enum ParseState { OK, TooDeep, NoMoreTokens }; |
| 41 | 41 |
| 42 namespace blink { | 42 namespace blink { |
| 43 | 43 |
| 44 static CalculationCategory UnitCategory(CSSPrimitiveValue::UnitType type) { | 44 static CalculationCategory UnitCategory(CSSPrimitiveValue::UnitType type) { |
| 45 switch (type) { | 45 switch (type) { |
| 46 case CSSPrimitiveValue::UnitType::kNumber: | 46 case CSSPrimitiveValue::UnitType::kNumber: |
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| 843 | 843 |
| 844 return expression ? new CSSCalcValue(expression, range) : nullptr; | 844 return expression ? new CSSCalcValue(expression, range) : nullptr; |
| 845 } | 845 } |
| 846 | 846 |
| 847 CSSCalcValue* CSSCalcValue::Create(CSSCalcExpressionNode* expression, | 847 CSSCalcValue* CSSCalcValue::Create(CSSCalcExpressionNode* expression, |
| 848 ValueRange range) { | 848 ValueRange range) { |
| 849 return new CSSCalcValue(expression, range); | 849 return new CSSCalcValue(expression, range); |
| 850 } | 850 } |
| 851 | 851 |
| 852 } // namespace blink | 852 } // namespace blink |
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