1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 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. 29 */ 30 31 #ifndef HTMLDimension_h 32 #define HTMLDimension_h 33 34 #include "wtf/Forward.h" 35 #include "wtf/Vector.h" 36 37 namespace blink { 38 39 // This class corresponds to a dimension as described in HTML5 by the 40 // "rules for parsing a list of dimensions" (section 2.4.4.6). 41 class HTMLDimension { 42 public: 43 enum HTMLDimensionType { 44 Relative, Percentage, Absolute 45 }; 46 47 HTMLDimension() 48 : m_type(Absolute) 49 , m_value(0) 50 { 51 } 52 53 HTMLDimension(double value, HTMLDimensionType type) 54 : m_type(type) 55 , m_value(value) 56 { 57 } 58 59 HTMLDimensionType type() const { return m_type; } 60 61 bool isRelative() const { return m_type == Relative; } 62 bool isPercentage() const { return m_type == Percentage; } 63 bool isAbsolute() const { return m_type == Absolute; } 64 65 double value() const { return m_value; } 66 67 bool operator==(const HTMLDimension& other) const 68 { 69 return m_type == other.m_type && m_value == other.m_value; 70 } 71 bool operator!=(const HTMLDimension& other) const { return !(*this == other); } 72 73 private: 74 HTMLDimensionType m_type; 75 double m_value; 76 }; 77 78 Vector<HTMLDimension> parseListOfDimensions(const String&); 79 80 } // namespace blink 81 82 #endif // HTMLDimension_h 83
