Implement CSS4 pseudo-class :dir()

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 214 matching lines @@
     case PseudoOptional:
     case PseudoPlaceholderShown:
     case PseudoRequired:
     case PseudoReadOnly:
     case PseudoReadWrite:
     case PseudoValid:
     case PseudoInvalid:
     case PseudoIndeterminate:
     case PseudoTarget:
     case PseudoLang:
+    case PseudoDir:
     case PseudoNot:
     case PseudoRoot:
     case PseudoScope:
     case PseudoWindowInactive:
     case PseudoCornerPresent:
     case PseudoDecrement:
     case PseudoIncrement:
     case PseudoHorizontal:
     case PseudoVertical:
     case PseudoStart:
@@ skipping 108 matching lines @@
 {"unresolved",                    CSSSelector::PseudoUnresolved},
 {"valid",                         CSSSelector::PseudoValid},
 {"vertical",                      CSSSelector::PseudoVertical},
 {"visited",                       CSSSelector::PseudoVisited},
 {"window-inactive",               CSSSelector::PseudoWindowInactive},
 };
 
 const static NameToPseudoStruct pseudoTypeWithArgumentsMap[] = {
 {"-webkit-any",      CSSSelector::PseudoAny},
 {"cue",              CSSSelector::PseudoCue},
+{"dir",              CSSSelector::PseudoDir},
 {"host",             CSSSelector::PseudoHost},
 {"host-context",     CSSSelector::PseudoHostContext},
 {"lang",             CSSSelector::PseudoLang},
 {"not",              CSSSelector::PseudoNot},
 {"nth-child",        CSSSelector::PseudoNthChild},
 {"nth-last-child",   CSSSelector::PseudoNthLastChild},
 {"nth-last-of-type", CSSSelector::PseudoNthLastOfType},
 {"nth-of-type",      CSSSelector::PseudoNthOfType},
 {"slotted",          CSSSelector::PseudoSlotted},
 };
@@ skipping 143 matching lines @@
     case PseudoFutureCue:
     case PseudoHorizontal:
     case PseudoHost:
     case PseudoHostContext:
     case PseudoHover:
     case PseudoInRange:
     case PseudoIncrement:
     case PseudoIndeterminate:
     case PseudoInvalid:
     case PseudoLang:
+    case PseudoDir:
     case PseudoLastChild:
     case PseudoLastOfType:
     case PseudoLink:
     case PseudoListBox:
     case PseudoNoButton:
     case PseudoNot:
     case PseudoNthChild:
     case PseudoNthLastChild:
     case PseudoNthLastOfType:
     case PseudoNthOfType:
@@ skipping 99 matching lines @@
                     str.append(String::format("%dn+%d", a, b));
 
                 str.append(')');
                 break;
             }
             case PseudoLang:
                 str.append('(');
                 str.append(cs->argument());
                 str.append(')');
                 break;
+            case PseudoDir:
+                str.append('(');
+                str.append(cs->argument());
+                str.append(')');
             case PseudoNot:
                 ASSERT(cs->selectorList());
                 break;
             case PseudoHost:
             case PseudoHostContext:
             case PseudoAny:
                 break;
             default:
                 break;
             }
@@ skipping 248 matching lines @@
         if (count < nthBValue())
             return false;
         return (count - nthBValue()) % nthAValue() == 0;
     }
     if (count > nthBValue())
         return false;
     return (nthBValue() - count) % (-nthAValue()) == 0;
 }
 
 } // namespace blink