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4e9cf83ee8
MozReview-Commit-ID: Kdz2xtTF9EG --HG-- extra : rebase_source : 7235b3802f25bab29a8c6ba40a181a722f3df0ce
46 lines
1.2 KiB
C++
46 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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free(mBuffer);
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mBuffer = nullptr;
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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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uint32_t Size(void) { return mMetaSize; }
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nsresult FlattenMetaData(char * buffer, uint32_t bufSize);
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nsresult UnflattenMetaData(const char * buffer, uint32_t bufSize);
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nsresult VisitElements(nsICacheMetaDataVisitor * visitor);
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private:
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nsresult EnsureBuffer(uint32_t size);
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char * mBuffer;
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uint32_t mBufferSize;
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uint32_t mMetaSize;
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};
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#endif // _nsCacheMetaData_h
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