LCOV - code coverage report
Current view: directory - content/xml/document/src - nsXMLContentSink.h (source / functions) Found Hit Coverage
Test: app.info Lines: 10 9 90.0 %
Date: 2012-06-02 Functions: 9 8 88.9 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef nsXMLContentSink_h__
      39                 : #define nsXMLContentSink_h__
      40                 : 
      41                 : #include "nsContentSink.h"
      42                 : #include "nsIXMLContentSink.h"
      43                 : #include "nsIExpatSink.h"
      44                 : #include "nsIDocumentTransformer.h"
      45                 : #include "nsTArray.h"
      46                 : #include "nsCOMPtr.h"
      47                 : #include "nsCRT.h"
      48                 : #include "nsCycleCollectionParticipant.h"
      49                 : #include "nsIDTD.h"
      50                 : #include "mozilla/dom/FromParser.h"
      51                 : 
      52                 : class nsIDocument;
      53                 : class nsIURI;
      54                 : class nsIContent;
      55                 : class nsINodeInfo;
      56                 : class nsIParser;
      57                 : class nsIViewManager;
      58                 : 
      59                 : typedef enum {
      60                 :   eXMLContentSinkState_InProlog,
      61                 :   eXMLContentSinkState_InDocumentElement,
      62                 :   eXMLContentSinkState_InEpilog
      63                 : } XMLContentSinkState;
      64                 : 
      65           73508 : struct StackNode {
      66                 :   nsCOMPtr<nsIContent> mContent;
      67                 :   PRUint32 mNumFlushed;
      68                 : };
      69                 : 
      70                 : class nsXMLContentSink : public nsContentSink,
      71                 :                          public nsIXMLContentSink,
      72                 :                          public nsITransformObserver,
      73                 :                          public nsIExpatSink
      74                 : {
      75                 : public:
      76                 :   nsXMLContentSink();
      77                 :   virtual ~nsXMLContentSink();
      78                 : 
      79            4152 :   NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
      80                 : 
      81                 :   nsresult Init(nsIDocument* aDoc,
      82                 :                 nsIURI* aURL,
      83                 :                 nsISupports* aContainer,
      84                 :                 nsIChannel* aChannel);
      85                 : 
      86                 :   // nsISupports
      87                 :   NS_DECL_ISUPPORTS_INHERITED
      88                 : 
      89            2928 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsXMLContentSink,
      90                 :                                                      nsContentSink)
      91                 : 
      92                 :   NS_DECL_NSIEXPATSINK
      93                 : 
      94                 :   // nsIContentSink
      95                 :   NS_IMETHOD WillParse(void);
      96                 :   NS_IMETHOD WillBuildModel(nsDTDMode aDTDMode);
      97                 :   NS_IMETHOD DidBuildModel(bool aTerminated);
      98                 :   NS_IMETHOD WillInterrupt(void);
      99                 :   NS_IMETHOD WillResume(void);
     100                 :   NS_IMETHOD SetParser(nsParserBase* aParser);
     101                 :   virtual void FlushPendingNotifications(mozFlushType aType);
     102                 :   NS_IMETHOD SetDocumentCharset(nsACString& aCharset);
     103                 :   virtual nsISupports *GetTarget();
     104                 :   virtual bool IsScriptExecuting();
     105                 :   virtual void ContinueInterruptedParsingAsync();
     106                 : 
     107                 :   // nsITransformObserver
     108                 :   NS_IMETHOD OnDocumentCreated(nsIDocument *aResultDocument);
     109                 :   NS_IMETHOD OnTransformDone(nsresult aResult, nsIDocument *aResultDocument);
     110                 : 
     111                 :   // nsICSSLoaderObserver
     112                 :   NS_IMETHOD StyleSheetLoaded(nsCSSStyleSheet* aSheet, bool aWasAlternate,
     113                 :                               nsresult aStatus);
     114                 :   static bool ParsePIData(const nsString &aData, nsString &aHref,
     115                 :                           nsString &aTitle, nsString &aMedia,
     116                 :                           bool &aIsAlternate);
     117                 : 
     118                 : protected:
     119                 : 
     120                 :   nsIParser* GetParser();
     121                 : 
     122                 :   void ContinueInterruptedParsingIfEnabled();
     123                 : 
     124                 :   // Start layout.  If aIgnorePendingSheets is true, this will happen even if
     125                 :   // we still have stylesheet loads pending.  Otherwise, we'll wait until the
     126                 :   // stylesheets are all done loading.
     127                 :   virtual void MaybeStartLayout(bool aIgnorePendingSheets);
     128                 : 
     129                 :   virtual nsresult AddAttributes(const PRUnichar** aNode, nsIContent* aContent);
     130                 :   nsresult AddText(const PRUnichar* aString, PRInt32 aLength);
     131                 : 
     132           36753 :   virtual bool OnOpenContainer(const PRUnichar **aAtts, 
     133                 :                                  PRUint32 aAttsCount, 
     134                 :                                  PRInt32 aNameSpaceID, 
     135                 :                                  nsIAtom* aTagName,
     136           36753 :                                  PRUint32 aLineNumber) { return true; }
     137                 :   // Set the given content as the root element for the created document
     138                 :   //  don't set if root element was already set.
     139                 :   //  return TRUE if this call set the root element
     140                 :   virtual bool SetDocElement(PRInt32 aNameSpaceID, 
     141                 :                                nsIAtom *aTagName,
     142                 :                                nsIContent *aContent);
     143            1048 :   virtual bool NotifyForDocElement() { return true; }
     144                 :   virtual nsresult CreateElement(const PRUnichar** aAtts, PRUint32 aAttsCount,
     145                 :                                  nsINodeInfo* aNodeInfo, PRUint32 aLineNumber,
     146                 :                                  nsIContent** aResult, bool* aAppendContent,
     147                 :                                  mozilla::dom::FromParser aFromParser);
     148                 : 
     149                 :   // aParent is allowed to be null here if this is the root content
     150                 :   // being closed
     151                 :   virtual nsresult CloseElement(nsIContent* aContent);
     152                 : 
     153                 :   virtual nsresult FlushText(bool aReleaseTextNode = true);
     154                 : 
     155                 :   nsresult AddContentAsLeaf(nsIContent *aContent);
     156                 : 
     157                 :   nsIContent* GetCurrentContent();
     158                 :   StackNode* GetCurrentStackNode();
     159                 :   nsresult PushContent(nsIContent *aContent);
     160                 :   void PopContent();
     161                 :   bool HaveNotifiedForCurrentContent() const;
     162                 : 
     163                 :   nsresult FlushTags();
     164                 : 
     165                 :   void UpdateChildCounts();
     166                 : 
     167           75318 :   void DidAddContent()
     168                 :   {
     169           75318 :     if (IsTimeToNotify()) {
     170               0 :       FlushTags();      
     171                 :     }
     172           75318 :   }
     173                 :   
     174                 :   // nsContentSink override
     175                 :   virtual nsresult ProcessStyleLink(nsIContent* aElement,
     176                 :                                     const nsSubstring& aHref,
     177                 :                                     bool aAlternate,
     178                 :                                     const nsSubstring& aTitle,
     179                 :                                     const nsSubstring& aType,
     180                 :                                     const nsSubstring& aMedia);
     181                 : 
     182                 :   nsresult LoadXSLStyleSheet(nsIURI* aUrl);
     183                 : 
     184                 :   bool CanStillPrettyPrint();
     185                 : 
     186                 :   nsresult MaybePrettyPrint();
     187                 :   
     188                 :   bool IsMonolithicContainer(nsINodeInfo* aNodeInfo);
     189                 : 
     190                 :   nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts, 
     191                 :                               PRUint32 aAttsCount, PRInt32 aIndex, 
     192                 :                               PRUint32 aLineNumber,
     193                 :                               bool aInterruptable);
     194                 :   nsresult HandleEndElement(const PRUnichar *aName, bool aInterruptable);
     195                 :   nsresult HandleCharacterData(const PRUnichar *aData, PRUint32 aLength,
     196                 :                                bool aInterruptable);
     197                 : 
     198                 :   nsIContent*      mDocElement;
     199                 :   nsCOMPtr<nsIContent> mCurrentHead;  // When set, we're in an XHTML <haed>
     200                 :   PRUnichar*       mText;
     201                 : 
     202                 :   XMLContentSinkState mState;
     203                 : 
     204                 :   PRInt32 mTextLength;
     205                 :   PRInt32 mTextSize;
     206                 :   
     207                 :   PRInt32 mNotifyLevel;
     208                 :   nsCOMPtr<nsIContent> mLastTextNode;
     209                 :   PRInt32 mLastTextNodeSize;
     210                 : 
     211                 :   PRUint8 mConstrainSize : 1;
     212                 :   PRUint8 mPrettyPrintXML : 1;
     213                 :   PRUint8 mPrettyPrintHasSpecialRoot : 1;
     214                 :   PRUint8 mPrettyPrintHasFactoredElements : 1;
     215                 :   PRUint8 mPrettyPrinting : 1;  // True if we called PrettyPrint() and it
     216                 :                                 // decided we should in fact prettyprint.
     217                 :   
     218                 :   nsTArray<StackNode>              mContentStack;
     219                 : 
     220                 :   nsCOMPtr<nsIDocumentTransformer> mXSLTProcessor;
     221                 : };
     222                 : 
     223                 : #endif // nsXMLContentSink_h__

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