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Side by Side Diff: third_party/WebKit/Source/core/css/parser/CSSParserTokenRange.h

Issue 2058403002: Use an inline capacity for CSSTokenizer's Vector<CSSParserToken> (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CSSParserTokenRange_h 5 #ifndef CSSParserTokenRange_h
6 #define CSSParserTokenRange_h 6 #define CSSParserTokenRange_h
7 7
8 #include "core/CoreExport.h" 8 #include "core/CoreExport.h"
9 #include "core/css/parser/CSSParserToken.h" 9 #include "core/css/parser/CSSParserToken.h"
10 #include "wtf/Allocator.h" 10 #include "wtf/Allocator.h"
11 #include "wtf/Vector.h" 11 #include "wtf/Vector.h"
12 12
13 namespace blink { 13 namespace blink {
14 14
15 CORE_EXPORT extern const CSSParserToken& staticEOFToken; 15 CORE_EXPORT extern const CSSParserToken& staticEOFToken;
16 16
17 // A CSSParserTokenRange is an iterator over a subrange of a vector of CSSParser Tokens. 17 // A CSSParserTokenRange is an iterator over a subrange of a vector of CSSParser Tokens.
18 // Accessing outside of the range will return an endless stream of EOF tokens. 18 // Accessing outside of the range will return an endless stream of EOF tokens.
19 // This class refers to half-open intervals [first, last). 19 // This class refers to half-open intervals [first, last).
20 class CORE_EXPORT CSSParserTokenRange { 20 class CORE_EXPORT CSSParserTokenRange {
21 DISALLOW_NEW(); 21 DISALLOW_NEW();
22 public: 22 public:
23 CSSParserTokenRange(const Vector<CSSParserToken>& vector) 23 template<size_t inlineBuffer>
24 CSSParserTokenRange(const Vector<CSSParserToken, inlineBuffer>& vector)
24 : m_first(vector.begin()) 25 : m_first(vector.begin())
25 , m_last(vector.end()) 26 , m_last(vector.end())
26 { 27 {
27 } 28 }
28 29
29 // This should be called on a range with tokens returned by that range. 30 // This should be called on a range with tokens returned by that range.
30 CSSParserTokenRange makeSubRange(const CSSParserToken* first, const CSSParse rToken* last) const; 31 CSSParserTokenRange makeSubRange(const CSSParserToken* first, const CSSParse rToken* last) const;
31 32
32 bool atEnd() const { return m_first == m_last; } 33 bool atEnd() const { return m_first == m_last; }
33 const CSSParserToken* end() const { return m_last; } 34 const CSSParserToken* end() const { return m_last; }
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
76 , m_last(last) 77 , m_last(last)
77 { } 78 { }
78 79
79 const CSSParserToken* m_first; 80 const CSSParserToken* m_first;
80 const CSSParserToken* m_last; 81 const CSSParserToken* m_last;
81 }; 82 };
82 83
83 } // namespace blink 84 } // namespace blink
84 85
85 #endif // CSSParserTokenRange_h 86 #endif // CSSParserTokenRange_h
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