Implement a part of ProcessingInstruction by using PrivateScript

Source/core/dom/ProcessingInstruction.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/dom/ProcessingInstruction.h"
 
+#include "bindings/core/v8/V8ProcessingInstruction.h"
 #include "core/FetchInitiatorTypeNames.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/MediaList.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
 #include "core/dom/StyleEngine.h"
 #include "core/fetch/CSSStyleSheetResource.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/XSLStyleSheetResource.h"
 #include "core/xml/XSLStyleSheet.h"
 #include "core/xml/parser/XMLDocumentParser.h" // for parseAttributes()
+#include "platform/EventDispatchForbiddenScope.h"
 
 namespace blink {
 
 inline ProcessingInstruction::ProcessingInstruction(Document& document, const String& target, const String& data)
     : CharacterData(document, data, CreateOther)
     , m_target(target)
     , m_loading(false)
     , m_alternate(false)
     , m_createdByParser(false)
     , m_isCSS(false)
@@ skipping 12 matching lines @@
 #if !ENABLE(OILPAN)
     if (m_sheet)
         clearSheet();
 
     // FIXME: ProcessingInstruction should not be in document here.
     // However, if we add ASSERT(!inDocument()), fast/xsl/xslt-entity.xml
     // crashes. We need to investigate ProcessingInstruction lifetime.
     if (inDocument()) {
         if (m_isCSS)
             document().styleEngine()->removeStyleSheetCandidateNode(this);
-        else if (m_isXSL)
+        else if (m_isXSL && !RuntimeEnabledFeatures::xsltInPrivateScriptEnabled())
             document().styleEngine()->removeXSLStyleSheet(this);
     }
 #endif
 }
 
 String ProcessingInstruction::nodeName() const
 {
     return m_target;
 }
 
@@ skipping 93 matching lines @@
     if (m_loading)
         return true;
     if (!m_sheet)
         return false;
     return m_sheet->isLoading();
 }
 
 bool ProcessingInstruction::sheetLoaded()
 {
     if (!isLoading()) {
-        document().styleEngine()->removePendingSheet(this);
+        if (!RuntimeEnabledFeatures::xsltInPrivateScriptEnabled())
+            document().styleEngine()->removePendingSheet(this);
         return true;
     }
     return false;
 }
 
 void ProcessingInstruction::setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource* sheet)
 {
     if (!inDocument()) {
         ASSERT(!m_sheet);
         return;
@@ skipping 56 matching lines @@
 
 Node::InsertionNotificationRequest ProcessingInstruction::insertedInto(ContainerNode* insertionPoint)
 {
     CharacterData::insertedInto(insertionPoint);
     if (!insertionPoint->inDocument())
         return InsertionDone;
 
     String href;
     String charset;
     bool isValid = checkStyleSheet(href, charset);
+    if (m_isXSL && RuntimeEnabledFeatures::xsltInPrivateScriptEnabled()) {
+        EventDispatchForbiddenScope::AllowUserAgentEvents allowUserAgentEvents;
+        V8ProcessingInstruction::PrivateScript::onProcessingInstructionAvailableMethod(document().frame(), this, href, document().parsing());
+        return InsertionDone;
+    }
     if (m_isCSS)
         document().styleEngine()->addStyleSheetCandidateNode(this, m_createdByParser);
     else if (m_isXSL)
         document().styleEngine()->addXSLStyleSheet(this, m_createdByParser);
     if (isValid)
         process(href, charset);
     return InsertionDone;
 }
 
 void ProcessingInstruction::removedFrom(ContainerNode* insertionPoint)
 {
     CharacterData::removedFrom(insertionPoint);
     if (!insertionPoint->inDocument())
         return;
 
     if (m_isCSS)
         document().styleEngine()->removeStyleSheetCandidateNode(this);
-    else if (m_isXSL)
+    else if (m_isXSL && !RuntimeEnabledFeatures::xsltInPrivateScriptEnabled())
         document().styleEngine()->removeXSLStyleSheet(this);
 
     RefPtrWillBeRawPtr<StyleSheet> removedSheet = m_sheet;
 
     if (m_sheet) {
         ASSERT(m_sheet->ownerNode() == this);
         clearSheet();
     }
 
     // If we're in document teardown, then we don't need to do any notification of our sheet's removal.
     if (document().isActive())
         document().removedStyleSheet(removedSheet.get());
 }
 
 void ProcessingInstruction::clearSheet()
 {
     ASSERT(m_sheet);
     if (m_sheet->isLoading())
         document().styleEngine()->removePendingSheet(this);
     m_sheet.release()->clearOwnerNode();
 }
 
 void ProcessingInstruction::trace(Visitor* visitor)
 {
     visitor->trace(m_sheet);
     CharacterData::trace(visitor);
 }
 
 } // namespace