summaryrefslogtreecommitdiff
path: root/rdf/base/nsRDFService.h
blob: 0cc8c79ce4f4f408f1324badae2699d57e82e88c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This Original Code has been modified by IBM Corporation.
 * Modifications made by IBM described herein are
 * Copyright (c) International Business Machines
 * Corporation, 2000
 *
 * Modifications to Mozilla code or documentation
 * identified per MPL Section 3.3
 *
 * Date         Modified by     Description of modification
 * 03/27/2000   IBM Corp.       Added PR_CALLBACK for Optlink
 *                               use in OS2
 */

#ifndef nsRDFService_h__
#define nsRDFService_h__

#include "nsIRDFService.h"
#include "nsWeakReference.h"
#include "nsIFactory.h"
#include "nsCOMPtr.h"
#include "PLDHashTable.h"
#include "nsString.h"

struct PLHashTable;
class nsIRDFLiteral;
class nsIRDFInt;
class nsIRDFDate;
class BlobImpl;

class RDFServiceImpl final : public nsIRDFService,
                             public nsSupportsWeakReference
{
protected:
    PLHashTable* mNamedDataSources;
    PLDHashTable mResources;
    PLDHashTable mLiterals;
    PLDHashTable mInts;
    PLDHashTable mDates;
    PLDHashTable mBlobs;

    nsCString mLastURIPrefix;
    nsCOMPtr<nsIFactory> mLastFactory;
    nsCOMPtr<nsIFactory> mDefaultResourceFactory;

    RDFServiceImpl();
    nsresult Init();
    virtual ~RDFServiceImpl();

public:
    static RDFServiceImpl *gRDFService NS_VISIBILITY_HIDDEN;
    static nsresult CreateSingleton(nsISupports* aOuter,
                                    const nsIID& aIID, void **aResult);

    // nsISupports
    NS_DECL_ISUPPORTS

    // nsIRDFService
    NS_DECL_NSIRDFSERVICE

    // Implementation methods
    nsresult RegisterLiteral(nsIRDFLiteral* aLiteral);
    nsresult UnregisterLiteral(nsIRDFLiteral* aLiteral);
    nsresult RegisterInt(nsIRDFInt* aInt);
    nsresult UnregisterInt(nsIRDFInt* aInt);
    nsresult RegisterDate(nsIRDFDate* aDate);
    nsresult UnregisterDate(nsIRDFDate* aDate);
    nsresult RegisterBlob(BlobImpl* aBlob);
    nsresult UnregisterBlob(BlobImpl* aBlob);

    nsresult GetDataSource(const char *aURI, bool aBlock, nsIRDFDataSource **aDataSource );
};

#endif // nsRDFService_h__