rdf/util/public/nsRDFResource.h
author Michael Wu <mwu@mozilla.com>
Tue, 10 May 2011 18:27:51 -0700
changeset 69308 f442ce8fb412e0a10542c4b77463a53120476916
parent 2571 f24806cd9b9600a64f0c8bdecb6b6888ce2fd046
child 77799 e7854b4d29ba905ae3994f821b160c989bac4260
permissions -rw-r--r--
Back out parts 3-7 of bug 620931 which caused bug 656172, r=killer

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef nsRDFResource_h__
#define nsRDFResource_h__

#include "nsCOMPtr.h"
#include "nsIRDFNode.h"
#include "nsIRDFResource.h"
#include "nscore.h"
#include "nsStringGlue.h"
#include "rdf.h"

class nsIRDFService;

/**
 * This simple base class implements nsIRDFResource, and can be used as a
 * superclass for more sophisticated resource implementations.
 */
class nsRDFResource : public nsIRDFResource {
public:

    NS_DECL_ISUPPORTS

    // nsIRDFNode methods:
    NS_IMETHOD EqualsNode(nsIRDFNode* aNode, PRBool* aResult);

    // nsIRDFResource methods:
    NS_IMETHOD Init(const char* aURI);
    NS_IMETHOD GetValue(char* *aURI);
    NS_IMETHOD GetValueUTF8(nsACString& aResult);
    NS_IMETHOD GetValueConst(const char** aURI);
    NS_IMETHOD EqualsString(const char* aURI, PRBool* aResult);
    NS_IMETHOD GetDelegate(const char* aKey, REFNSIID aIID, void** aResult);
    NS_IMETHOD ReleaseDelegate(const char* aKey);

    // nsRDFResource methods:
    nsRDFResource(void);
    virtual ~nsRDFResource(void);

protected:
    static nsIRDFService* gRDFService;
    static nsrefcnt gRDFServiceRefCnt;

protected:
    nsCString mURI;

    struct DelegateEntry {
        nsCString             mKey;
        nsCOMPtr<nsISupports> mDelegate;
        DelegateEntry*        mNext;
    };

    DelegateEntry* mDelegates;
};

#endif // nsRDFResource_h__