LCOV - code coverage report
Current view: directory - netwerk/streamconv/src - nsStreamConverterService.h (source / functions) Found Hit Coverage
Test: app.info Lines: 6 0 0.0 %
Date: 2012-06-02 Functions: 2 0 0.0 %

       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 the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * 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 __nsstreamconverterservice__h___
      39                 : #define __nsstreamconverterservice__h___
      40                 : 
      41                 : #include "nsIStreamConverterService.h"
      42                 : #include "nsIStreamListener.h"
      43                 : #include "nsHashtable.h"
      44                 : #include "nsCOMArray.h"
      45                 : #include "nsTArray.h"
      46                 : #include "nsIAtom.h"
      47                 : 
      48                 : class nsStreamConverterService : public nsIStreamConverterService {
      49                 : public:    
      50                 :     /////////////////////////////////////////////////////
      51                 :     // nsISupports methods
      52                 :     NS_DECL_ISUPPORTS
      53                 : 
      54                 : 
      55                 :     /////////////////////////////////////////////////////
      56                 :     // nsIStreamConverterService methods
      57                 :     NS_DECL_NSISTREAMCONVERTERSERVICE
      58                 : 
      59                 :     /////////////////////////////////////////////////////
      60                 :     // nsStreamConverterService methods
      61                 :     nsStreamConverterService();
      62                 :     virtual ~nsStreamConverterService();
      63                 : 
      64                 :     // Initialization routine. Must be called after this object is constructed.
      65                 :     nsresult Init();
      66                 : 
      67                 : private:
      68                 :     // Responsible for finding a converter for the given MIME-type.
      69                 :     nsresult FindConverter(const char *aContractID, nsTArray<nsCString> **aEdgeList);
      70                 :     nsresult BuildGraph(void);
      71                 :     nsresult AddAdjacency(const char *aContractID);
      72                 :     nsresult ParseFromTo(const char *aContractID, nsCString &aFromRes, nsCString &aToRes);
      73                 : 
      74                 :     // member variables
      75                 :     nsObjectHashtable              *mAdjacencyList;
      76                 : };
      77                 : 
      78                 : ///////////////////////////////////////////////////////////////////
      79                 : // Breadth-First-Search (BFS) algorithm state classes and types.
      80                 : 
      81                 : // used  to establish discovered vertecies.
      82                 : enum BFScolors {white, gray, black};
      83                 : 
      84                 : struct BFSState {
      85                 :     BFScolors   color;
      86                 :     PRInt32     distance;
      87                 :     nsCStringKey  *predecessor;
      88               0 :     ~BFSState() {
      89               0 :         delete predecessor;
      90               0 :     }
      91                 : };
      92                 : 
      93                 : // adjacency list and BFS hashtable data class.
      94                 : struct SCTableData {
      95                 :     nsCStringKey *key;
      96                 :     union _data {
      97                 :         BFSState *state;
      98                 :         nsCOMArray<nsIAtom> *edges;
      99                 :     } data;
     100                 : 
     101               0 :     SCTableData(nsCStringKey* aKey) : key(aKey) {
     102               0 :         data.state = nsnull;
     103               0 :     }
     104                 : };
     105                 : #endif // __nsstreamconverterservice__h___

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