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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _nsCacheMetaData_h_
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#define _nsCacheMetaData_h_
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#include "nspr.h"
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#include "nscore.h"
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class nsICacheMetaDataVisitor;
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class nsCacheMetaData {
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public:
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nsCacheMetaData() : mBuffer(nullptr), mBufferSize(0), mMetaSize(0) { }
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~nsCacheMetaData() {
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mBufferSize = mMetaSize = 0;
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PR_FREEIF(mBuffer);
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}
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const char * GetElement(const char * key);
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nsresult SetElement(const char * key, const char * value);
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PRUint32 Size(void) { return mMetaSize; }
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nsresult FlattenMetaData(char * buffer, PRUint32 bufSize);
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nsresult UnflattenMetaData(const char * buffer, PRUint32 bufSize);
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nsresult VisitElements(nsICacheMetaDataVisitor * visitor);
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private:
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nsresult EnsureBuffer(PRUint32 size);
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char * mBuffer;
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PRUint32 mBufferSize;
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PRUint32 mMetaSize;
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};
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#endif // _nsCacheMetaData_h
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