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Side by Side Diff: Source/core/css/CSSSelector.cpp

Issue 210763002: Remove Runtime ShadowDOM flag. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * 1999 Waldo Bastian (bastian@kde.org) 3 * 1999 Waldo Bastian (bastian@kde.org)
4 * 2001 Andreas Schlapbach (schlpbch@iam.unibe.ch) 4 * 2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
5 * 2001-2003 Dirk Mueller (mueller@kde.org) 5 * 2001-2003 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed. 6 * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed.
7 * Copyright (C) 2008 David Smith (catfish.man@gmail.com) 7 * Copyright (C) 2008 David Smith (catfish.man@gmail.com)
8 * Copyright (C) 2010 Google Inc. All rights reserved. 8 * Copyright (C) 2010 Google Inc. All rights reserved.
9 * 9 *
10 * This library is free software; you can redistribute it and/or 10 * This library is free software; you can redistribute it and/or
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267 ASSERT_NOT_REACHED(); 267 ASSERT_NOT_REACHED();
268 return NOPSEUDO; 268 return NOPSEUDO;
269 } 269 }
270 270
271 // Could be made smaller and faster by replacing pointer with an 271 // Could be made smaller and faster by replacing pointer with an
272 // offset into a string buffer and making the bit fields smaller but 272 // offset into a string buffer and making the bit fields smaller but
273 // that could not be maintained by hand. 273 // that could not be maintained by hand.
274 struct NameToPseudoStruct { 274 struct NameToPseudoStruct {
275 const char* string; 275 const char* string;
276 unsigned type:8; 276 unsigned type:8;
277 unsigned requirement:8;
278 }; 277 };
279 278
280 const static NameToPseudoStruct pseudoTypeMap[] = { 279 const static NameToPseudoStruct pseudoTypeMap[] = {
281 {"active", CSSSelector::PseudoActive, 0}, 280 {"active", CSSSelector::PseudoActive},
282 {"after", CSSSelector::PseudoAfter, 0}, 281 {"after", CSSSelector::PseudoAfter},
283 {"-webkit-any(", CSSSelector::PseudoAny, 0}, 282 {"-webkit-any(", CSSSelector::PseudoAny},
284 {"-webkit-any-link", CSSSelector::PseudoAnyLink, 0}, 283 {"-webkit-any-link", CSSSelector::PseudoAnyLink},
285 {"-webkit-autofill", CSSSelector::PseudoAutofill, 0}, 284 {"-webkit-autofill", CSSSelector::PseudoAutofill},
286 {"backdrop", CSSSelector::PseudoBackdrop, 0}, 285 {"backdrop", CSSSelector::PseudoBackdrop},
287 {"before", CSSSelector::PseudoBefore, 0}, 286 {"before", CSSSelector::PseudoBefore},
288 {"checked", CSSSelector::PseudoChecked, 0}, 287 {"checked", CSSSelector::PseudoChecked},
289 {"default", CSSSelector::PseudoDefault, 0}, 288 {"default", CSSSelector::PseudoDefault},
290 {"disabled", CSSSelector::PseudoDisabled, 0}, 289 {"disabled", CSSSelector::PseudoDisabled},
291 {"read-only", CSSSelector::PseudoReadOnly, 0}, 290 {"read-only", CSSSelector::PseudoReadOnly},
292 {"read-write", CSSSelector::PseudoReadWrite, 0}, 291 {"read-write", CSSSelector::PseudoReadWrite},
293 {"valid", CSSSelector::PseudoValid, 0}, 292 {"valid", CSSSelector::PseudoValid},
294 {"invalid", CSSSelector::PseudoInvalid, 0}, 293 {"invalid", CSSSelector::PseudoInvalid},
295 {"-webkit-drag", CSSSelector::PseudoDrag, 0}, 294 {"-webkit-drag", CSSSelector::PseudoDrag},
296 {"empty", CSSSelector::PseudoEmpty, 0}, 295 {"empty", CSSSelector::PseudoEmpty},
297 {"enabled", CSSSelector::PseudoEnabled, 0}, 296 {"enabled", CSSSelector::PseudoEnabled},
298 {"first-child", CSSSelector::PseudoFirstChild, 0}, 297 {"first-child", CSSSelector::PseudoFirstChild},
299 {"first-letter", CSSSelector::PseudoFirstLetter, 0}, 298 {"first-letter", CSSSelector::PseudoFirstLetter},
300 {"first-line", CSSSelector::PseudoFirstLine, 0}, 299 {"first-line", CSSSelector::PseudoFirstLine},
301 {"first-of-type", CSSSelector::PseudoFirstOfType, 0}, 300 {"first-of-type", CSSSelector::PseudoFirstOfType},
302 {"-webkit-full-page-media", CSSSelector::PseudoFullPageMedia, 0}, 301 {"-webkit-full-page-media", CSSSelector::PseudoFullPageMedia},
303 {"nth-child(", CSSSelector::PseudoNthChild, 0}, 302 {"nth-child(", CSSSelector::PseudoNthChild},
304 {"nth-of-type(", CSSSelector::PseudoNthOfType, 0}, 303 {"nth-of-type(", CSSSelector::PseudoNthOfType},
305 {"nth-last-child(", CSSSelector::PseudoNthLastChild, 0}, 304 {"nth-last-child(", CSSSelector::PseudoNthLastChild},
306 {"nth-last-of-type(", CSSSelector::PseudoNthLastOfType, 0}, 305 {"nth-last-of-type(", CSSSelector::PseudoNthLastOfType},
307 {"focus", CSSSelector::PseudoFocus, 0}, 306 {"focus", CSSSelector::PseudoFocus},
308 {"hover", CSSSelector::PseudoHover, 0}, 307 {"hover", CSSSelector::PseudoHover},
309 {"indeterminate", CSSSelector::PseudoIndeterminate, 0}, 308 {"indeterminate", CSSSelector::PseudoIndeterminate},
310 {"last-child", CSSSelector::PseudoLastChild, 0}, 309 {"last-child", CSSSelector::PseudoLastChild},
311 {"last-of-type", CSSSelector::PseudoLastOfType, 0}, 310 {"last-of-type", CSSSelector::PseudoLastOfType},
312 {"link", CSSSelector::PseudoLink, 0}, 311 {"link", CSSSelector::PseudoLink},
313 {"lang(", CSSSelector::PseudoLang, 0}, 312 {"lang(", CSSSelector::PseudoLang},
314 {"not(", CSSSelector::PseudoNot, 0}, 313 {"not(", CSSSelector::PseudoNot},
315 {"only-child", CSSSelector::PseudoOnlyChild, 0}, 314 {"only-child", CSSSelector::PseudoOnlyChild},
316 {"only-of-type", CSSSelector::PseudoOnlyOfType, 0}, 315 {"only-of-type", CSSSelector::PseudoOnlyOfType},
317 {"optional", CSSSelector::PseudoOptional, 0}, 316 {"optional", CSSSelector::PseudoOptional},
318 {"required", CSSSelector::PseudoRequired, 0}, 317 {"required", CSSSelector::PseudoRequired},
319 {"-webkit-resizer", CSSSelector::PseudoResizer, 0}, 318 {"-webkit-resizer", CSSSelector::PseudoResizer},
320 {"root", CSSSelector::PseudoRoot, 0}, 319 {"root", CSSSelector::PseudoRoot},
321 {"-webkit-scrollbar", CSSSelector::PseudoScrollbar, 0}, 320 {"-webkit-scrollbar", CSSSelector::PseudoScrollbar},
322 {"-webkit-scrollbar-button", CSSSelector::PseudoScrollbarButton, 0}, 321 {"-webkit-scrollbar-button", CSSSelector::PseudoScrollbarButton},
323 {"-webkit-scrollbar-corner", CSSSelector::PseudoScrollbarCorner, 0}, 322 {"-webkit-scrollbar-corner", CSSSelector::PseudoScrollbarCorner},
324 {"-webkit-scrollbar-thumb", CSSSelector::PseudoScrollbarThumb, 0}, 323 {"-webkit-scrollbar-thumb", CSSSelector::PseudoScrollbarThumb},
325 {"-webkit-scrollbar-track", CSSSelector::PseudoScrollbarTrack, 0}, 324 {"-webkit-scrollbar-track", CSSSelector::PseudoScrollbarTrack},
326 {"-webkit-scrollbar-track-piece", CSSSelector::PseudoScrollbarTrackPiece, 0}, 325 {"-webkit-scrollbar-track-piece", CSSSelector::PseudoScrollbarTrackPiece},
327 {"selection", CSSSelector::PseudoSelection, 0}, 326 {"selection", CSSSelector::PseudoSelection},
328 {"target", CSSSelector::PseudoTarget, 0}, 327 {"target", CSSSelector::PseudoTarget},
329 {"visited", CSSSelector::PseudoVisited, 0}, 328 {"visited", CSSSelector::PseudoVisited},
330 {"window-inactive", CSSSelector::PseudoWindowInactive, 0}, 329 {"window-inactive", CSSSelector::PseudoWindowInactive},
331 {"decrement", CSSSelector::PseudoDecrement, 0}, 330 {"decrement", CSSSelector::PseudoDecrement},
332 {"increment", CSSSelector::PseudoIncrement, 0}, 331 {"increment", CSSSelector::PseudoIncrement},
333 {"start", CSSSelector::PseudoStart, 0}, 332 {"start", CSSSelector::PseudoStart},
334 {"end", CSSSelector::PseudoEnd, 0}, 333 {"end", CSSSelector::PseudoEnd},
335 {"horizontal", CSSSelector::PseudoHorizontal, 0}, 334 {"horizontal", CSSSelector::PseudoHorizontal},
336 {"vertical", CSSSelector::PseudoVertical, 0}, 335 {"vertical", CSSSelector::PseudoVertical},
337 {"double-button", CSSSelector::PseudoDoubleButton, 0}, 336 {"double-button", CSSSelector::PseudoDoubleButton},
338 {"single-button", CSSSelector::PseudoSingleButton, 0}, 337 {"single-button", CSSSelector::PseudoSingleButton},
339 {"no-button", CSSSelector::PseudoNoButton, 0}, 338 {"no-button", CSSSelector::PseudoNoButton},
340 {"corner-present", CSSSelector::PseudoCornerPresent, 0}, 339 {"corner-present", CSSSelector::PseudoCornerPresent},
341 {"first", CSSSelector::PseudoFirstPage, 0}, 340 {"first", CSSSelector::PseudoFirstPage},
342 {"left", CSSSelector::PseudoLeftPage, 0}, 341 {"left", CSSSelector::PseudoLeftPage},
343 {"right", CSSSelector::PseudoRightPage, 0}, 342 {"right", CSSSelector::PseudoRightPage},
344 {"-webkit-full-screen", CSSSelector::PseudoFullScreen, 0}, 343 {"-webkit-full-screen", CSSSelector::PseudoFullScreen},
345 {"-webkit-full-screen-document", CSSSelector::PseudoFullScreenDocument, 0}, 344 {"-webkit-full-screen-document", CSSSelector::PseudoFullScreenDocument},
346 {"-webkit-full-screen-ancestor", CSSSelector::PseudoFullScreenAncestor, 0}, 345 {"-webkit-full-screen-ancestor", CSSSelector::PseudoFullScreenAncestor},
347 {"cue(", CSSSelector::PseudoCue, 0}, 346 {"cue(", CSSSelector::PseudoCue},
348 {"cue", CSSSelector::PseudoWebKitCustomElement, 0}, 347 {"cue", CSSSelector::PseudoWebKitCustomElement},
349 {"future", CSSSelector::PseudoFutureCue, 0}, 348 {"future", CSSSelector::PseudoFutureCue},
350 {"past", CSSSelector::PseudoPastCue, 0}, 349 {"past", CSSSelector::PseudoPastCue},
351 {"-webkit-distributed(", CSSSelector::PseudoDistributed, 0}, 350 {"-webkit-distributed(", CSSSelector::PseudoDistributed},
352 {"in-range", CSSSelector::PseudoInRange, 0}, 351 {"in-range", CSSSelector::PseudoInRange},
353 {"out-of-range", CSSSelector::PseudoOutOfRange, 0}, 352 {"out-of-range", CSSSelector::PseudoOutOfRange},
354 {"scope", CSSSelector::PseudoScope, 0}, 353 {"scope", CSSSelector::PseudoScope},
355 {"unresolved", CSSSelector::PseudoUnresolved, 0}, 354 {"unresolved", CSSSelector::PseudoUnresolved},
356 {"host", CSSSelector::PseudoHost, CSSSel ector::RequiresShadowDOM}, 355 {"host", CSSSelector::PseudoHost},
357 {"host(", CSSSelector::PseudoHost, CSSSel ector::RequiresShadowDOM}, 356 {"host(", CSSSelector::PseudoHost},
358 {"ancestor", CSSSelector::PseudoAncestor, CSSSel ector::RequiresShadowDOM}, 357 {"ancestor", CSSSelector::PseudoAncestor},
359 {"ancestor(", CSSSelector::PseudoAncestor, CSSSel ector::RequiresShadowDOM}, 358 {"ancestor(", CSSSelector::PseudoAncestor},
360 {"content", CSSSelector::PseudoContent, CSSSel ector::RequiresShadowDOM}, 359 {"content", CSSSelector::PseudoContent},
361 }; 360 };
362 361
363 static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoTypeMap() 362 static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoTypeMap()
364 { 363 {
365 static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoType = 0; 364 static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoType = 0;
366 if (!nameToPseudoType) { 365 if (!nameToPseudoType) {
367 nameToPseudoType = new HashMap<StringImpl*, CSSSelector::PseudoType>; 366 nameToPseudoType = new HashMap<StringImpl*, CSSSelector::PseudoType>;
368 367
369 size_t pseudoCount = WTF_ARRAY_LENGTH(pseudoTypeMap); 368 size_t pseudoCount = WTF_ARRAY_LENGTH(pseudoTypeMap);
370 for (size_t i = 0; i < pseudoCount; i++) { 369 for (size_t i = 0; i < pseudoCount; i++) {
371 if (pseudoTypeMap[i].requirement == CSSSelector::RequiresShadowDOM) {
372 if (!RuntimeEnabledFeatures::shadowDOMEnabled())
373 continue;
374 }
375 const char* str = pseudoTypeMap[i].string; 370 const char* str = pseudoTypeMap[i].string;
376 CSSSelector::PseudoType type; 371 CSSSelector::PseudoType type;
377 type = static_cast<CSSSelector::PseudoType>(pseudoTypeMap[i].type); 372 type = static_cast<CSSSelector::PseudoType>(pseudoTypeMap[i].type);
378 // This is a one-time leak. 373 // This is a one-time leak.
379 AtomicString* name = new AtomicString(str, strlen(str), AtomicString ::ConstructFromLiteral); 374 AtomicString* name = new AtomicString(str, strlen(str), AtomicString ::ConstructFromLiteral);
380 nameToPseudoType->set(name->impl(), type); 375 nameToPseudoType->set(name->impl(), type);
381 } 376 }
382 } 377 }
383 378
384 return nameToPseudoType; 379 return nameToPseudoType;
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888 return false; 883 return false;
889 return (count - m_b) % m_a == 0; 884 return (count - m_b) % m_a == 0;
890 } else { 885 } else {
891 if (count > m_b) 886 if (count > m_b)
892 return false; 887 return false;
893 return (m_b - count) % (-m_a) == 0; 888 return (m_b - count) % (-m_a) == 0;
894 } 889 }
895 } 890 }
896 891
897 } // namespace WebCore 892 } // namespace WebCore
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