LCOV - code coverage report
Current view: directory - xpcom/ds - nsSupportsArray.h (source / functions) Found Hit Coverage
Test: app.info Lines: 33 7 21.2 %
Date: 2012-06-02 Functions: 13 4 30.8 %

       1                 : /* -*- Mode: C++; tab-width: 4; 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.org 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 nsSupportsArray_h__
      39                 : #define nsSupportsArray_h__
      40                 : 
      41                 : //#define DEBUG_SUPPORTSARRAY 1
      42                 : 
      43                 : #include "nsISupportsArray.h"
      44                 : 
      45                 : static const PRUint32 kAutoArraySize = 8;
      46                 : 
      47                 : class nsSupportsArray : public nsISupportsArray {
      48                 : public:
      49                 :   nsSupportsArray(void);
      50                 :   ~nsSupportsArray(void); // nonvirtual since we're not subclassed
      51                 : 
      52                 :   static nsresult
      53                 :   Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
      54                 : 
      55                 :   NS_DECL_ISUPPORTS
      56                 : 
      57                 :   NS_DECL_NSISERIALIZABLE
      58                 : 
      59                 :   // nsICollection methods:
      60          391481 :   NS_IMETHOD Count(PRUint32 *result) { *result = mCount; return NS_OK; }
      61               0 :   NS_IMETHOD GetElementAt(PRUint32 aIndex, nsISupports* *result) {
      62               0 :     *result = ElementAt(aIndex);
      63               0 :     return NS_OK;
      64                 :   }
      65               0 :   NS_IMETHOD QueryElementAt(PRUint32 aIndex, const nsIID & aIID, void * *aResult) {
      66               0 :     if (aIndex < mCount) {
      67               0 :       nsISupports* element = mArray[aIndex];
      68               0 :       if (nsnull != element)
      69               0 :         return element->QueryInterface(aIID, aResult);
      70                 :     }
      71               0 :     return NS_ERROR_FAILURE;
      72                 :   }
      73               0 :   NS_IMETHOD SetElementAt(PRUint32 aIndex, nsISupports* value) {
      74               0 :     return ReplaceElementAt(value, aIndex) ? NS_OK : NS_ERROR_FAILURE;
      75                 :   }
      76          137303 :   NS_IMETHOD AppendElement(nsISupports *aElement) {
      77          137303 :     return InsertElementAt(aElement, mCount)/* ? NS_OK : NS_ERROR_FAILURE*/;
      78                 :   }
      79                 :   // XXX this is badly named - should be RemoveFirstElement
      80              35 :   NS_IMETHOD RemoveElement(nsISupports *aElement) {
      81              35 :     return RemoveElement(aElement, 0)/* ? NS_OK : NS_ERROR_FAILURE*/;
      82                 :   }
      83                 :   NS_IMETHOD_(bool) MoveElement(PRInt32 aFrom, PRInt32 aTo);
      84                 :   NS_IMETHOD Enumerate(nsIEnumerator* *result);
      85                 :   NS_IMETHOD Clear(void);
      86                 : 
      87                 :   // nsISupportsArray methods:
      88                 :   NS_IMETHOD_(bool) Equals(const nsISupportsArray* aOther);
      89                 : 
      90                 :   NS_IMETHOD_(nsISupports*) ElementAt(PRUint32 aIndex);
      91                 : 
      92                 :   NS_IMETHOD_(PRInt32) IndexOf(const nsISupports* aPossibleElement);
      93                 :   NS_IMETHOD_(PRInt32) IndexOfStartingAt(const nsISupports* aPossibleElement,
      94                 :                                          PRUint32 aStartIndex = 0);
      95                 :   NS_IMETHOD_(PRInt32) LastIndexOf(const nsISupports* aPossibleElement);
      96                 : 
      97               0 :   NS_IMETHOD GetIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
      98               0 :     *_retval = IndexOf(aPossibleElement);
      99               0 :     return NS_OK;
     100                 :   }
     101                 :   
     102               0 :   NS_IMETHOD GetIndexOfStartingAt(nsISupports *aPossibleElement,
     103                 :                                   PRUint32 aStartIndex, PRInt32 *_retval) {
     104               0 :     *_retval = IndexOfStartingAt(aPossibleElement, aStartIndex);
     105               0 :     return NS_OK;
     106                 :   }
     107                 :   
     108               0 :   NS_IMETHOD GetLastIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
     109               0 :     *_retval = LastIndexOf(aPossibleElement);
     110               0 :     return NS_OK;
     111                 :   }
     112                 :   
     113                 :   NS_IMETHOD_(bool) InsertElementAt(nsISupports* aElement, PRUint32 aIndex);
     114                 : 
     115                 :   NS_IMETHOD_(bool) ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex);
     116                 : 
     117              35 :   NS_IMETHOD_(bool) RemoveElementAt(PRUint32 aIndex) {
     118              35 :     return RemoveElementsAt(aIndex,1);
     119                 :   }
     120                 :   NS_IMETHOD_(bool) RemoveElement(const nsISupports* aElement, PRUint32 aStartIndex = 0);
     121                 :   NS_IMETHOD_(bool) RemoveLastElement(const nsISupports* aElement);
     122                 : 
     123               0 :   NS_IMETHOD DeleteLastElement(nsISupports *aElement) {
     124               0 :     return (RemoveLastElement(aElement) ? NS_OK : NS_ERROR_FAILURE);
     125                 :   }
     126                 :   
     127               0 :   NS_IMETHOD DeleteElementAt(PRUint32 aIndex) {
     128               0 :     return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
     129                 :   }
     130                 :   
     131               0 :   NS_IMETHOD_(bool) AppendElements(nsISupportsArray* aElements) {
     132               0 :     return InsertElementsAt(aElements,mCount);
     133                 :   }
     134                 :   
     135                 :   NS_IMETHOD Compact(void);
     136                 : 
     137                 :   NS_IMETHOD_(bool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData);
     138                 :   NS_IMETHOD_(bool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData);
     139                 : 
     140                 :   NS_IMETHOD Clone(nsISupportsArray **_retval);
     141                 : 
     142                 :   NS_IMETHOD_(bool) InsertElementsAt(nsISupportsArray *aOther, PRUint32 aIndex);
     143                 : 
     144                 :   NS_IMETHOD_(bool) RemoveElementsAt(PRUint32 aIndex, PRUint32 aCount);
     145                 : 
     146                 :   NS_IMETHOD_(bool) SizeTo(PRInt32 aSize);
     147                 : protected:
     148                 :   void DeleteArray(void);
     149                 : 
     150                 :   NS_IMETHOD_(bool) GrowArrayBy(PRInt32 aGrowBy);
     151                 : 
     152                 :   nsISupports** mArray;
     153                 :   PRUint32 mArraySize;
     154                 :   PRUint32 mCount;
     155                 :   nsISupports*  mAutoArray[kAutoArraySize];
     156                 : #if DEBUG_SUPPORTSARRAY
     157                 :   PRUint32 mMaxCount;
     158                 :   PRUint32 mMaxSize;
     159                 : #endif
     160                 : 
     161                 : private:
     162                 :   // Copy constructors are not allowed
     163                 :   nsSupportsArray(const nsISupportsArray& other);
     164                 : };
     165                 : 
     166                 : #endif // nsSupportsArray_h__

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