Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(701)

Unified Diff: third_party/WebKit/Source/core/css/CSSVariableData.h

Issue 1192983003: CSS Custom Properties (Variables) (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: s/FAST_ALLOCATED/FAST_MALLOC/ Created 5 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: third_party/WebKit/Source/core/css/CSSVariableData.h
diff --git a/third_party/WebKit/Source/core/css/CSSVariableData.h b/third_party/WebKit/Source/core/css/CSSVariableData.h
new file mode 100644
index 0000000000000000000000000000000000000000..ba32f8075f82714d6bfa552ba614c4deb8273230
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/CSSVariableData.h
@@ -0,0 +1,58 @@
+// 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 "core/css/parser/CSSParserToken.h"
+#include "core/css/parser/CSSParserTokenRange.h"
+#include "wtf/RefCounted.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class CSSParserTokenRange;
+
+class CSSVariableData : public RefCounted<CSSVariableData> {
+ WTF_MAKE_NONCOPYABLE(CSSVariableData);
+ USING_FAST_MALLOC(CSSVariableData);
+public:
+ static PassRefPtr<CSSVariableData> create(const CSSParserTokenRange& range, bool needsVariableResolution = true)
+ {
+ return adoptRef(new CSSVariableData(range, needsVariableResolution));
+ }
+
+ static PassRefPtr<CSSVariableData> createResolved(const Vector<CSSParserToken>& resolvedTokens)
+ {
+ return adoptRef(new CSSVariableData(resolvedTokens));
+ }
+
+ CSSParserTokenRange tokenRange() { return m_tokens; }
+
+ const Vector<CSSParserToken>& tokens() { return m_tokens; }
+
+ bool needsVariableResolution() const { return m_needsVariableResolution; }
+private:
+ CSSVariableData(const CSSParserTokenRange&, bool needsVariableResolution);
+
+ // We can safely copy the tokens (which have raw pointers to substrings) because
+ // StylePropertySets contain have references to CSSCustomPropertyDeclarations,
Timothy Loh 2015/11/02 07:28:48 "contain have"
+ // which point to the unresolved CSSVariableData values that own the backing
+ // strings this will potentially reference.
+ CSSVariableData(const Vector<CSSParserToken>& resolvedTokens)
+ : m_tokens(resolvedTokens)
+ , m_needsVariableResolution(false)
+ { }
+
+ void consumeAndUpdateTokens(const CSSParserTokenRange&);
+ template<typename CharacterType> void updateTokens(const CSSParserTokenRange&);
+
+ String m_backingString;
+ Vector<CSSParserToken> m_tokens;
+ const bool m_needsVariableResolution;
+};
+
+} // namespace blink
+
+#endif // CSSVariableData_h

Powered by Google App Engine
This is Rietveld 408576698