Implement :defined pseudo-class selector for Custom Elements

third_party/WebKit/Source/core/css/CSSSelector.cpp

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  *               2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
  *               2001-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 239 matching lines @@
     case PseudoLeftPage:
     case PseudoRightPage:
     case PseudoInRange:
     case PseudoOutOfRange:
     case PseudoWebKitCustomElement:
     case PseudoBlinkInternalElement:
     case PseudoCue:
     case PseudoFutureCue:
     case PseudoPastCue:
     case PseudoUnresolved:
+    case PseudoDefined:
     case PseudoContent:
     case PseudoHost:
     case PseudoHostContext:
     case PseudoShadow:
     case PseudoFullScreen:
     case PseudoFullScreenAncestor:
     case PseudoSpatialNavigationFocus:
     case PseudoListBox:
     case PseudoHostHasAppearance:
     case PseudoSlotted:
@@ skipping 40 matching lines @@
 {"active",                        CSSSelector::PseudoActive},
 {"after",                         CSSSelector::PseudoAfter},
 {"backdrop",                      CSSSelector::PseudoBackdrop},
 {"before",                        CSSSelector::PseudoBefore},
 {"checked",                       CSSSelector::PseudoChecked},
 {"content",                       CSSSelector::PseudoContent},
 {"corner-present",                CSSSelector::PseudoCornerPresent},
 {"cue",                           CSSSelector::PseudoWebKitCustomElement},
 {"decrement",                     CSSSelector::PseudoDecrement},
 {"default",                       CSSSelector::PseudoDefault},
+{"defined",                       CSSSelector::PseudoDefined},
 {"disabled",                      CSSSelector::PseudoDisabled},
 {"double-button",                 CSSSelector::PseudoDoubleButton},
 {"empty",                         CSSSelector::PseudoEmpty},
 {"enabled",                       CSSSelector::PseudoEnabled},
 {"end",                           CSSSelector::PseudoEnd},
 {"first",                         CSSSelector::PseudoFirstPage},
 {"first-child",                   CSSSelector::PseudoFirstChild},
 {"first-letter",                  CSSSelector::PseudoFirstLetter},
 {"first-line",                    CSSSelector::PseudoFirstLine},
 {"first-of-type",                 CSSSelector::PseudoFirstOfType},
@@ skipping 77 matching lines @@
         pseudoTypeMapEnd = pseudoTypeWithArgumentsMap + WTF_ARRAY_LENGTH(pseudoTypeWithArgumentsMap);
     } else {
         pseudoTypeMap = pseudoTypeWithoutArgumentsMap;
         pseudoTypeMapEnd = pseudoTypeWithoutArgumentsMap + WTF_ARRAY_LENGTH(pseudoTypeWithoutArgumentsMap);
     }
     NameToPseudoStruct dummyKey = { 0, CSSSelector::PseudoUnknown };
     const NameToPseudoStruct* match = std::lower_bound(pseudoTypeMap, pseudoTypeMapEnd, dummyKey, NameToPseudoCompare(name));
     if (match == pseudoTypeMapEnd || match->string != name.getString())
         return CSSSelector::PseudoUnknown;
 
+    if (match->type == CSSSelector::PseudoDefined && !RuntimeEnabledFeatures::customElementsV1Enabled())
+        return CSSSelector::PseudoUnknown;
+
     return static_cast<CSSSelector::PseudoType>(match->type);
 }
 
 #ifndef NDEBUG
 void CSSSelector::show(int indent) const
 {
     printf("%*sselectorText(): %s\n", indent, "", selectorText().ascii().data());
     printf("%*sm_match: %d\n", indent, "", m_match);
     if (m_match != Tag)
         printf("%*svalue(): %s\n", indent, "", value().ascii().data());
@@ skipping 78 matching lines @@
             m_pseudoType = PseudoUnknown;
         break;
     case PseudoActive:
     case PseudoAny:
     case PseudoAnyLink:
     case PseudoAutofill:
     case PseudoChecked:
     case PseudoCornerPresent:
     case PseudoDecrement:
     case PseudoDefault:
+    case PseudoDefined:
     case PseudoDisabled:
     case PseudoDoubleButton:
     case PseudoDrag:
     case PseudoEmpty:
     case PseudoEnabled:
     case PseudoEnd:
     case PseudoFirstChild:
     case PseudoFirstOfType:
     case PseudoFocus:
     case PseudoFullPageMedia:
@@ skipping 402 matching lines @@
         if (count < nthBValue())
             return false;
         return (count - nthBValue()) % nthAValue() == 0;
     }
     if (count > nthBValue())
         return false;
     return (nthBValue() - count) % (-nthAValue()) == 0;
 }
 
 } // namespace blink