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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_SYNTAX_COMPONENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_SYNTAX_COMPONENT_H_
#include "third_party/blink/renderer/core/css/css_value.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
enum class CSSSyntaxType {
kTokenStream,
kIdent,
kLength,
kNumber,
kPercentage,
kLengthPercentage,
kColor,
kImage,
kUrl,
kInteger,
kAngle,
kTime,
kResolution,
kTransformFunction,
kTransformList,
kCustomIdent,
};
enum class CSSSyntaxRepeat { kNone, kSpaceSeparated, kCommaSeparated };
class CSSSyntaxComponent {
DISALLOW_NEW();
public:
CSSSyntaxComponent(CSSSyntaxType type,
const String& string,
CSSSyntaxRepeat repeat)
: type_(type), string_(string), repeat_(repeat) {}
bool operator==(const CSSSyntaxComponent& a) const {
return type_ == a.type_ && string_ == a.string_ && repeat_ == a.repeat_;
}
CSSSyntaxType GetType() const { return type_; }
const String& GetString() const { return string_; }
CSSSyntaxRepeat GetRepeat() const { return repeat_; }
bool IsRepeatable() const { return repeat_ != CSSSyntaxRepeat::kNone; }
bool IsInteger() const { return type_ == CSSSyntaxType::kInteger; }
char Separator() const {
DCHECK(IsRepeatable());
return repeat_ == CSSSyntaxRepeat::kSpaceSeparated ? ' ' : ',';
}
private:
CSSSyntaxType type_;
String string_; // Only used when type_ is CSSSyntaxType::kIdent
CSSSyntaxRepeat repeat_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_SYNTAX_COMPONENT_H_
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