netwerk/cache/nsCacheMetaData.h

branch
TOR_BUG_9701
changeset 9
a63d609f5ebe
equal deleted inserted replaced
-1:000000000000 0:7644b66d7ce3
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 #ifndef _nsCacheMetaData_h_
8 #define _nsCacheMetaData_h_
9
10 #include "nspr.h"
11 #include "nscore.h"
12
13 class nsICacheMetaDataVisitor;
14
15 class nsCacheMetaData {
16 public:
17 nsCacheMetaData() : mBuffer(nullptr), mBufferSize(0), mMetaSize(0) { }
18
19 ~nsCacheMetaData() {
20 mBufferSize = mMetaSize = 0;
21 moz_free(mBuffer);
22 mBuffer = nullptr;
23 }
24
25 const char * GetElement(const char * key);
26
27 nsresult SetElement(const char * key, const char * value);
28
29 uint32_t Size(void) { return mMetaSize; }
30
31 nsresult FlattenMetaData(char * buffer, uint32_t bufSize);
32
33 nsresult UnflattenMetaData(const char * buffer, uint32_t bufSize);
34
35 nsresult VisitElements(nsICacheMetaDataVisitor * visitor);
36
37 private:
38 nsresult EnsureBuffer(uint32_t size);
39
40 char * mBuffer;
41 uint32_t mBufferSize;
42 uint32_t mMetaSize;
43 };
44
45 #endif // _nsCacheMetaData_h

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