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// Copyright 2015 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 CSSVariableData_h
#define CSSVariableData_h
#include "base/macros.h"
#include "core/css/parser/CSSParserToken.h"
#include "core/css/parser/CSSParserTokenRange.h"
#include "platform/wtf/Forward.h"
#include "platform/wtf/text/WTFString.h"
namespace blink {
class CSSParserTokenRange;
class CSSSyntaxDescriptor;
enum class SecureContextMode;
class CORE_EXPORT CSSVariableData : public RefCounted<CSSVariableData> {
USING_FAST_MALLOC(CSSVariableData);
public:
static scoped_refptr<CSSVariableData> Create(const CSSParserTokenRange& range,
bool is_animation_tainted,
bool needs_variable_resolution) {
return base::AdoptRef(new CSSVariableData(range, is_animation_tainted,
needs_variable_resolution));
}
static scoped_refptr<CSSVariableData> CreateResolved(
const Vector<CSSParserToken>& resolved_tokens,
Vector<String> backing_strings,
bool is_animation_tainted) {
return base::AdoptRef(new CSSVariableData(
resolved_tokens, std::move(backing_strings), is_animation_tainted));
}
CSSParserTokenRange TokenRange() const { return tokens_; }
const Vector<CSSParserToken>& Tokens() const { return tokens_; }
const Vector<String>& BackingStrings() const { return backing_strings_; }
bool operator==(const CSSVariableData& other) const;
bool IsAnimationTainted() const { return is_animation_tainted_; }
bool NeedsVariableResolution() const { return needs_variable_resolution_; }
const CSSValue* ParseForSyntax(const CSSSyntaxDescriptor&,
SecureContextMode) const;
private:
CSSVariableData(const CSSParserTokenRange&,
bool is_animation_tainted,
bool needs_variable_resolution);
CSSVariableData(const Vector<CSSParserToken>& resolved_tokens,
Vector<String> backing_strings,
bool is_animation_tainted)
: backing_strings_(std::move(backing_strings)),
tokens_(resolved_tokens),
is_animation_tainted_(is_animation_tainted),
needs_variable_resolution_(false) {}
void ConsumeAndUpdateTokens(const CSSParserTokenRange&);
// tokens_ may have raw pointers to string data, we store the String objects
// owning that data in backing_strings_ to keep it alive alongside the
// tokens_.
Vector<String> backing_strings_;
Vector<CSSParserToken> tokens_;
const bool is_animation_tainted_;
const bool needs_variable_resolution_;
DISALLOW_COPY_AND_ASSIGN(CSSVariableData);
};
} // namespace blink
#endif // CSSVariableData_h