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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 #include "config.h" | 5 #include "config.h" |
6 #include "core/css/parser/CSSSelectorParser.h" | 6 #include "core/css/parser/CSSSelectorParser.h" |
7 | 7 |
8 #include "core/css/CSSSelectorList.h" | 8 #include "core/css/CSSSelectorList.h" |
9 #include "core/css/StyleSheetContents.h" | 9 #include "core/css/StyleSheetContents.h" |
10 #include "core/frame/UseCounter.h" | 10 #include "core/frame/UseCounter.h" |
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253 if (attributeValue.type() != IdentToken && attributeValue.type() != StringTo
ken) | 253 if (attributeValue.type() != IdentToken && attributeValue.type() != StringTo
ken) |
254 return nullptr; | 254 return nullptr; |
255 selector->setValue(attributeValue.value()); | 255 selector->setValue(attributeValue.value()); |
256 selector->setAttribute(qualifiedName, consumeAttributeFlags(block)); | 256 selector->setAttribute(qualifiedName, consumeAttributeFlags(block)); |
257 | 257 |
258 if (!block.atEnd()) | 258 if (!block.atEnd()) |
259 return nullptr; | 259 return nullptr; |
260 return selector.release(); | 260 return selector.release(); |
261 } | 261 } |
262 | 262 |
| 263 bool CSSSelectorParser::selectorIsAllowedInParsingMode(CSSSelector::PseudoType t
ype) const |
| 264 { |
| 265 if (isUASheetBehavior(m_context.mode())) |
| 266 return true; |
| 267 return type != CSSSelector::PseudoMarker; |
| 268 } |
| 269 |
263 PassOwnPtr<CSSParserSelector> CSSSelectorParser::consumePseudo(CSSParserTokenRan
ge& range) | 270 PassOwnPtr<CSSParserSelector> CSSSelectorParser::consumePseudo(CSSParserTokenRan
ge& range) |
264 { | 271 { |
265 ASSERT(range.peek().type() == ColonToken); | 272 ASSERT(range.peek().type() == ColonToken); |
266 range.consume(); | 273 range.consume(); |
267 | 274 |
268 int colons = 1; | 275 int colons = 1; |
269 if (range.peek().type() == ColonToken) { | 276 if (range.peek().type() == ColonToken) { |
270 range.consume(); | 277 range.consume(); |
271 colons++; | 278 colons++; |
272 } | 279 } |
273 | 280 |
274 const CSSParserToken& token = range.peek(); | 281 const CSSParserToken& token = range.peek(); |
275 if (token.type() != IdentToken && token.type() != FunctionToken) | 282 if (token.type() != IdentToken && token.type() != FunctionToken) |
276 return nullptr; | 283 return nullptr; |
277 | 284 |
278 OwnPtr<CSSParserSelector> selector = CSSParserSelector::create(); | 285 OwnPtr<CSSParserSelector> selector = CSSParserSelector::create(); |
279 selector->setMatch(colons == 1 ? CSSSelector::PseudoClass : CSSSelector::Pse
udoElement); | 286 selector->setMatch(colons == 1 ? CSSSelector::PseudoClass : CSSSelector::Pse
udoElement); |
280 selector->setValue(AtomicString(String(token.value()).lower())); | 287 selector->setValue(AtomicString(String(token.value()).lower())); |
281 | 288 |
282 if (token.type() == IdentToken) { | 289 if (token.type() == IdentToken) { |
283 range.consume(); | 290 range.consume(); |
284 if (selector->pseudoType() == CSSSelector::PseudoUnknown) | 291 if (selector->pseudoType() == CSSSelector::PseudoUnknown |
| 292 || !selectorIsAllowedInParsingMode(selector->pseudoType())) { |
285 return nullptr; | 293 return nullptr; |
| 294 } |
286 return selector.release(); | 295 return selector.release(); |
287 } | 296 } |
288 | 297 |
289 CSSParserTokenRange block = range.consumeBlock(); | 298 CSSParserTokenRange block = range.consumeBlock(); |
290 block.consumeWhitespace(); | 299 block.consumeWhitespace(); |
291 | 300 |
292 if ((colons == 1 | 301 if ((colons == 1 |
293 && (token.valueEqualsIgnoringCase("host") | 302 && (token.valueEqualsIgnoringCase("host") |
294 || token.valueEqualsIgnoringCase("host-context") | 303 || token.valueEqualsIgnoringCase("host-context") |
295 || token.valueEqualsIgnoringCase("-webkit-any"))) | 304 || token.valueEqualsIgnoringCase("-webkit-any"))) |
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675 context.useCounter()->count(feature); | 684 context.useCounter()->count(feature); |
676 if (current->relation() == CSSSelector::ShadowDeep) | 685 if (current->relation() == CSSSelector::ShadowDeep) |
677 context.useCounter()->count(UseCounter::CSSDeepCombinator); | 686 context.useCounter()->count(UseCounter::CSSDeepCombinator); |
678 if (current->selectorList()) | 687 if (current->selectorList()) |
679 recordSelectorStats(context, *current->selectorList()); | 688 recordSelectorStats(context, *current->selectorList()); |
680 } | 689 } |
681 } | 690 } |
682 } | 691 } |
683 | 692 |
684 } // namespace blink | 693 } // namespace blink |
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