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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #include "core/css/parser/CSSSupportsParser.h" | 5 #include "core/css/parser/CSSSupportsParser.h" |
6 | 6 |
7 #include "core/css/parser/CSSParserImpl.h" | 7 #include "core/css/parser/CSSParserImpl.h" |
8 | 8 |
9 namespace blink { | 9 namespace blink { |
10 | 10 |
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58 return Invalid; | 58 return Invalid; |
59 | 59 |
60 if (range.consumeIncludingWhitespace().type() != WhitespaceToken) | 60 if (range.consumeIncludingWhitespace().type() != WhitespaceToken) |
61 return Invalid; | 61 return Invalid; |
62 } | 62 } |
63 return result ? Supported : Unsupported; | 63 return result ? Supported : Unsupported; |
64 } | 64 } |
65 | 65 |
66 CSSSupportsParser::SupportsResult CSSSupportsParser::consumeNegation( | 66 CSSSupportsParser::SupportsResult CSSSupportsParser::consumeNegation( |
67 CSSParserTokenRange range) { | 67 CSSParserTokenRange range) { |
68 ASSERT(range.peek().type() == IdentToken); | 68 DCHECK_EQ(range.peek().type(), IdentToken); |
69 if (!equalIgnoringASCIICase(range.consume().value(), "not")) | 69 if (!equalIgnoringASCIICase(range.consume().value(), "not")) |
70 return Invalid; | 70 return Invalid; |
71 if (range.consumeIncludingWhitespace().type() != WhitespaceToken) | 71 if (range.consumeIncludingWhitespace().type() != WhitespaceToken) |
72 return Invalid; | 72 return Invalid; |
73 SupportsResult result = consumeConditionInParenthesis(range); | 73 SupportsResult result = consumeConditionInParenthesis(range); |
74 range.consumeWhitespace(); | 74 range.consumeWhitespace(); |
75 if (!range.atEnd() || result == Invalid) | 75 if (!range.atEnd() || result == Invalid) |
76 return Invalid; | 76 return Invalid; |
77 return result ? Unsupported : Supported; | 77 return result ? Unsupported : Supported; |
78 } | 78 } |
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90 SupportsResult result = consumeCondition(innerRange); | 90 SupportsResult result = consumeCondition(innerRange); |
91 if (result != Invalid) | 91 if (result != Invalid) |
92 return result; | 92 return result; |
93 return innerRange.peek().type() == IdentToken && | 93 return innerRange.peek().type() == IdentToken && |
94 m_parser.supportsDeclaration(innerRange) | 94 m_parser.supportsDeclaration(innerRange) |
95 ? Supported | 95 ? Supported |
96 : Unsupported; | 96 : Unsupported; |
97 } | 97 } |
98 | 98 |
99 } // namespace blink | 99 } // namespace blink |
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