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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef HTMLDimension_h
#define HTMLDimension_h
#include "core/CoreExport.h"
#include "wtf/Allocator.h"
#include "wtf/Forward.h"
#include "wtf/Vector.h"
namespace blink {
// This class corresponds to a dimension as described in HTML5 by the
// "rules for parsing a list of dimensions" (section 2.4.4.6).
class HTMLDimension {
DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
public:
enum HTMLDimensionType { Relative, Percentage, Absolute };
HTMLDimension() : m_type(Absolute), m_value(0) {}
HTMLDimension(double value, HTMLDimensionType type)
: m_type(type), m_value(value) {}
HTMLDimensionType type() const { return m_type; }
bool isRelative() const { return m_type == Relative; }
bool isPercentage() const { return m_type == Percentage; }
bool isAbsolute() const { return m_type == Absolute; }
double value() const { return m_value; }
bool operator==(const HTMLDimension& other) const {
return m_type == other.m_type && m_value == other.m_value;
}
bool operator!=(const HTMLDimension& other) const {
return !(*this == other);
}
private:
HTMLDimensionType m_type;
double m_value;
};
CORE_EXPORT Vector<HTMLDimension> parseListOfDimensions(const String&);
CORE_EXPORT bool parseDimensionValue(const String&, HTMLDimension&);
} // namespace blink
#endif // HTMLDimension_h
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