rdf/base/nsRDFService.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6  *
   7  * This Original Code has been modified by IBM Corporation.
   8  * Modifications made by IBM described herein are
   9  * Copyright (c) International Business Machines
  10  * Corporation, 2000
  11  *
  12  * Modifications to Mozilla code or documentation
  13  * identified per MPL Section 3.3
  14  *
  15  * Date         Modified by     Description of modification
  16  * 03/27/2000   IBM Corp.       Added PR_CALLBACK for Optlink
  17  *                               use in OS2
  18  */
  19
  20 #ifndef nsRDFService_h__
  21 #define nsRDFService_h__
  22
  23 #include "nsIRDFService.h"
  24 #include "nsWeakReference.h"
  25 #include "nsIFactory.h"
  26 #include "nsCOMPtr.h"
  27 #include "pldhash.h"
  28 #include "nsString.h"
  29
  30 struct PLHashTable;
  31 class nsIRDFLiteral;
  32 class nsIRDFInt;
  33 class nsIRDFDate;
  34 class BlobImpl;
  35
  36 class RDFServiceImpl MOZ_FINAL : public nsIRDFService,
  37                                  public nsSupportsWeakReference
  38 {
  39 protected:
  40     PLHashTable* mNamedDataSources;
  41     PLDHashTable mResources;
  42     PLDHashTable mLiterals;
  43     PLDHashTable mInts;
  44     PLDHashTable mDates;
  45     PLDHashTable mBlobs;
  46
  47     nsAutoCString mLastURIPrefix;
  48     nsCOMPtr<nsIFactory> mLastFactory;
  49     nsCOMPtr<nsIFactory> mDefaultResourceFactory;
  50
  51     RDFServiceImpl();
  52     nsresult Init();
  53     virtual ~RDFServiceImpl();
  54
  55 public:
  56     static RDFServiceImpl *gRDFService NS_VISIBILITY_HIDDEN;
  57     static nsresult CreateSingleton(nsISupports* aOuter,
  58                                     const nsIID& aIID, void **aResult);
  59
  60     // nsISupports
  61     NS_DECL_ISUPPORTS
  62
  63     // nsIRDFService
  64     NS_DECL_NSIRDFSERVICE
  65
  66     // Implementation methods
  67     nsresult RegisterLiteral(nsIRDFLiteral* aLiteral);
  68     nsresult UnregisterLiteral(nsIRDFLiteral* aLiteral);
  69     nsresult RegisterInt(nsIRDFInt* aInt);
  70     nsresult UnregisterInt(nsIRDFInt* aInt);
  71     nsresult RegisterDate(nsIRDFDate* aDate);
  72     nsresult UnregisterDate(nsIRDFDate* aDate);
  73     nsresult RegisterBlob(BlobImpl* aBlob);
  74     nsresult UnregisterBlob(BlobImpl* aBlob);
  75
  76     nsresult GetDataSource(const char *aURI, bool aBlock, nsIRDFDataSource **aDataSource );
  77 };
  78
  79 #endif // nsRDFService_h__