LCOV - code coverage report
Current view: directory - content/xul/document/src - nsXULContentSink.h (source / functions) Found Hit Coverage
Test: app.info Lines: 5 0 0.0 %
Date: 2012-06-02 Functions: 5 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       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                 :  *   Chris Waterson <waterson@netscape.com>
      24                 :  *   David Hyatt <hyatt@netscape.com>
      25                 :  *   Brendan Eich <brendan@mozilla.org>
      26                 :  *   Mark Hammond <mhammond@skippinet.com.au>
      27                 :  *
      28                 :  * Alternatively, the contents of this file may be used under the terms of
      29                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      30                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      31                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      32                 :  * of those above. If you wish to allow use of your version of this file only
      33                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      34                 :  * use your version of this file under the terms of the MPL, indicate your
      35                 :  * decision by deleting the provisions above and replace them with the notice
      36                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      37                 :  * the provisions above, a recipient may use your version of this file under
      38                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      39                 :  *
      40                 :  * ***** END LICENSE BLOCK ***** */
      41                 : 
      42                 : #ifndef nsXULContentSink_h__
      43                 : #define nsXULContentSink_h__
      44                 : 
      45                 : #include "nsIExpatSink.h"
      46                 : #include "nsIXMLContentSink.h"
      47                 : #include "nsAutoPtr.h"
      48                 : #include "nsNodeInfoManager.h"
      49                 : #include "nsWeakPtr.h"
      50                 : #include "nsXULElement.h"
      51                 : #include "nsIDTD.h"
      52                 : 
      53                 : class nsIDocument;
      54                 : class nsIScriptSecurityManager;
      55                 : class nsAttrName;
      56                 : class nsXULPrototypeDocument;
      57                 : class nsXULPrototypeElement;
      58                 : class nsXULPrototypeNode;
      59                 : 
      60                 : class XULContentSinkImpl : public nsIXMLContentSink,
      61                 :                            public nsIExpatSink
      62                 : {
      63                 : public:
      64                 :     XULContentSinkImpl();
      65                 :     virtual ~XULContentSinkImpl();
      66                 : 
      67                 :     // nsISupports
      68                 :     NS_DECL_ISUPPORTS
      69                 :     NS_DECL_NSIEXPATSINK
      70                 : 
      71                 :     // nsIContentSink
      72               0 :     NS_IMETHOD WillParse(void) { return NS_OK; }
      73                 :     NS_IMETHOD WillBuildModel(nsDTDMode aDTDMode);
      74                 :     NS_IMETHOD DidBuildModel(bool aTerminated);
      75                 :     NS_IMETHOD WillInterrupt(void);
      76                 :     NS_IMETHOD WillResume(void);
      77                 :     NS_IMETHOD SetParser(nsParserBase* aParser);
      78               0 :     virtual void FlushPendingNotifications(mozFlushType aType) { }
      79                 :     NS_IMETHOD SetDocumentCharset(nsACString& aCharset);
      80                 :     virtual nsISupports *GetTarget();
      81                 : 
      82                 :     /**
      83                 :      * Initialize the content sink, giving it an nsIDocument object
      84                 :      * with which to communicate with the outside world, and an
      85                 :      * nsXULPrototypeDocument to build.
      86                 :      */
      87                 :     nsresult Init(nsIDocument* aDocument, nsXULPrototypeDocument* aPrototype);
      88                 : 
      89                 : protected:
      90                 :     // pseudo-constants
      91                 :     PRUnichar* mText;
      92                 :     PRInt32 mTextLength;
      93                 :     PRInt32 mTextSize;
      94                 :     bool mConstrainSize;
      95                 : 
      96                 :     nsresult AddAttributes(const PRUnichar** aAttributes,
      97                 :                            const PRUint32 aAttrLen,
      98                 :                            nsXULPrototypeElement* aElement);
      99                 : 
     100                 :     nsresult OpenRoot(const PRUnichar** aAttributes,
     101                 :                       const PRUint32 aAttrLen,
     102                 :                       nsINodeInfo *aNodeInfo);
     103                 : 
     104                 :     nsresult OpenTag(const PRUnichar** aAttributes,
     105                 :                      const PRUint32 aAttrLen,
     106                 :                      const PRUint32 aLineNumber,
     107                 :                      nsINodeInfo *aNodeInfo);
     108                 : 
     109                 :     // If OpenScript returns NS_OK and after it returns our state is eInScript,
     110                 :     // that means that we created a prototype script and stuck it on
     111                 :     // mContextStack.  If NS_OK is returned but the state is still
     112                 :     // eInDocumentElement then we didn't create a prototype script (e.g. the
     113                 :     // script had an unknown type), and the caller should create a prototype
     114                 :     // element.
     115                 :     nsresult OpenScript(const PRUnichar** aAttributes,
     116                 :                         const PRUint32 aLineNumber);
     117                 : 
     118                 :     static bool IsDataInBuffer(PRUnichar* aBuffer, PRInt32 aLength);
     119                 : 
     120                 :     nsresult SetElementScriptType(nsXULPrototypeElement* element,
     121                 :                                   const PRUnichar** aAttributes,
     122                 :                                   const PRUint32 aAttrLen);
     123                 : 
     124                 :     // Text management
     125                 :     nsresult FlushText(bool aCreateTextNode = true);
     126                 :     nsresult AddText(const PRUnichar* aText, PRInt32 aLength);
     127                 : 
     128                 : 
     129                 :     nsRefPtr<nsNodeInfoManager> mNodeInfoManager;
     130                 : 
     131                 :     nsresult NormalizeAttributeString(const PRUnichar *aExpatName,
     132                 :                                       nsAttrName &aName);
     133                 :     nsresult CreateElement(nsINodeInfo *aNodeInfo,
     134                 :                            nsXULPrototypeElement** aResult);
     135                 : 
     136                 : 
     137                 :     public:
     138                 :     enum State { eInProlog, eInDocumentElement, eInScript, eInEpilog };
     139                 :     protected:
     140                 : 
     141                 :     State mState;
     142                 : 
     143                 :     // content stack management
     144                 :     class ContextStack {
     145                 :     protected:
     146               0 :         struct Entry {
     147                 :             nsRefPtr<nsXULPrototypeNode> mNode;
     148                 :             // a LOT of nodes have children; preallocate for 8
     149                 :             nsPrototypeArray    mChildren;
     150                 :             State               mState;
     151                 :             Entry*              mNext;
     152               0 :             Entry() : mChildren(8) {}
     153                 :         };
     154                 : 
     155                 :         Entry* mTop;
     156                 :         PRInt32 mDepth;
     157                 : 
     158                 :     public:
     159                 :         ContextStack();
     160                 :         ~ContextStack();
     161                 : 
     162               0 :         PRInt32 Depth() { return mDepth; }
     163                 : 
     164                 :         nsresult Push(nsXULPrototypeNode* aNode, State aState);
     165                 :         nsresult Pop(State* aState);
     166                 : 
     167                 :         nsresult GetTopNode(nsRefPtr<nsXULPrototypeNode>& aNode);
     168                 :         nsresult GetTopChildren(nsPrototypeArray** aChildren);
     169                 :         nsresult GetTopNodeScriptType(PRUint32 *aScriptType);
     170                 : 
     171                 :         void Clear();
     172                 :     };
     173                 : 
     174                 :     friend class ContextStack;
     175                 :     ContextStack mContextStack;
     176                 : 
     177                 :     nsWeakPtr              mDocument;             // [OWNER]
     178                 :     nsCOMPtr<nsIURI>       mDocumentURL;          // [OWNER]
     179                 : 
     180                 :     nsRefPtr<nsXULPrototypeDocument> mPrototype;  // [OWNER]
     181                 : 
     182                 :     // We use regular pointer b/c of funky exports on nsIParser:
     183                 :     nsParserBase*         mParser;               // [OWNER]
     184                 :     nsCOMPtr<nsIScriptSecurityManager> mSecMan;
     185                 : };
     186                 : 
     187                 : #endif /* nsXULContentSink_h__ */

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