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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * in the documentation and/or other materials provided with the
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_DIMENSION_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_DIMENSION_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/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();

 public:
  enum HTMLDimensionType { kRelative, kPercentage, kAbsolute };

  HTMLDimension() : type_(kAbsolute), value_(0) {}

  HTMLDimension(double value, HTMLDimensionType type)
      : type_(type), value_(value) {}

  HTMLDimensionType GetType() const { return type_; }

  bool IsRelative() const { return type_ == kRelative; }
  bool IsPercentage() const { return type_ == kPercentage; }
  bool IsAbsolute() const { return type_ == kAbsolute; }

  double Value() const { return value_; }

  bool operator==(const HTMLDimension& other) const {
    return type_ == other.type_ && value_ == other.value_;
  }
  bool operator!=(const HTMLDimension& other) const {
    return !(*this == other);
  }

 private:
  HTMLDimensionType type_;
  double value_;
};

CORE_EXPORT Vector<HTMLDimension> ParseListOfDimensions(const String&);
CORE_EXPORT bool ParseDimensionValue(const String&, HTMLDimension&);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_DIMENSION_H_