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nsXBLProtoImplMember.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   David Hyatt <hyatt@netscape.com> (Original Author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef nsXBLProtoImplMember_h__
00040 #define nsXBLProtoImplMember_h__
00041 
00042 #include "nsIAtom.h"
00043 #include "nsString.h"
00044 #include "jsapi.h"
00045 #include "nsIContent.h"
00046 #include "nsString.h"
00047 #include "nsIJSRuntimeService.h"
00048 #include "nsIServiceManager.h"
00049 #include "nsReadableUtils.h"
00050 
00051 class nsIScriptContext;
00052 struct JSRuntime;
00053 class nsIJSRuntimeService;
00054 
00055 MOZ_DECL_CTOR_COUNTER(nsXBLTextWithLineNumber)
00056 
00057 struct nsXBLTextWithLineNumber
00058 {
00059   PRUnichar* mText;
00060   PRUint32 mLineNumber;
00061 
00062   nsXBLTextWithLineNumber() :
00063     mText(nsnull),
00064     mLineNumber(0)
00065   {
00066     MOZ_COUNT_CTOR(nsXBLTextWithLineNumber);
00067   }
00068 
00069   ~nsXBLTextWithLineNumber() {
00070     MOZ_COUNT_DTOR(nsXBLTextWithLineNumber);
00071     if (mText) {
00072       nsMemory::Free(mText);
00073     }
00074   }
00075 
00076   void AppendText(const nsAString& aText) {
00077     if (mText) {
00078       PRUnichar* temp = mText;
00079       mText = ToNewUnicode(nsDependentString(temp) + aText);
00080       nsMemory::Free(temp);
00081     } else {
00082       mText = ToNewUnicode(aText);
00083     }
00084   }
00085 
00086   PRUnichar* GetText() {
00087     return mText;
00088   }
00089 
00090   void SetLineNumber(PRUint32 aLineNumber) {
00091     mLineNumber = aLineNumber;
00092   }
00093 
00094   PRUint32 GetLineNumber() {
00095     return mLineNumber;
00096   }
00097 };
00098 
00099 class nsXBLProtoImplMember
00100 {
00101 public:
00102   nsXBLProtoImplMember(const PRUnichar* aName) :mNext(nsnull) { mName = ToNewUnicode(nsDependentString(aName)); };
00103   virtual ~nsXBLProtoImplMember() { nsMemory::Free(mName); delete mNext; };
00104   virtual void Destroy(PRBool aIsCompiled)=0;
00105 
00106   nsXBLProtoImplMember* GetNext() { return mNext; };
00107   void SetNext(nsXBLProtoImplMember* aNext) { mNext = aNext; };
00108 
00109   virtual nsresult InstallMember(nsIScriptContext* aContext,
00110                                  nsIContent* aBoundElement, 
00111                                  void* aScriptObject,
00112                                  void* aTargetClassObject,
00113                                  const nsCString& aClassStr) = 0;
00114   virtual nsresult CompileMember(nsIScriptContext* aContext,
00115                                  const nsCString& aClassStr,
00116                                  void* aClassObject)=0;
00117 
00118 protected:
00119   friend struct nsAutoGCRoot;
00120   
00121   nsXBLProtoImplMember* mNext;  // The members of an implementation are chained.
00122   PRUnichar* mName;               // The name of the field, method, or property.
00123 };
00124 
00125 #endif // nsXBLProtoImplMember_h__