The Tor Browser / file comparison
comparison: toolkit/components/url-classifier/nsUrlClassifierPrefixSet.h
toolkit/components/url-classifier/nsUrlClassifierPrefixSet.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:999f93e12896 |
|---|---|
| 1 //* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 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 nsUrlClassifierPrefixSet_h_ | |
| 8 #define nsUrlClassifierPrefixSet_h_ | |
| 9 | |
| 10 #include "nsISupportsUtils.h" | |
| 11 #include "nsID.h" | |
| 12 #include "nsIFile.h" | |
| 13 #include "nsIMemoryReporter.h" | |
| 14 #include "nsIMutableArray.h" | |
| 15 #include "nsIUrlClassifierPrefixSet.h" | |
| 16 #include "nsTArray.h" | |
| 17 #include "nsToolkitCompsCID.h" | |
| 18 #include "mozilla/MemoryReporting.h" | |
| 19 #include "mozilla/Mutex.h" | |
| 20 #include "mozilla/CondVar.h" | |
| 21 #include "mozilla/FileUtils.h" | |
| 22 | |
| 23 class nsUrlClassifierPrefixSet | |
| 24 : public nsIUrlClassifierPrefixSet | |
| 25 , public nsIMemoryReporter | |
| 26 { | |
| 27 public: | |
| 28 nsUrlClassifierPrefixSet(); | |
| 29 virtual ~nsUrlClassifierPrefixSet(); | |
| 30 | |
| 31 NS_IMETHOD Init(const nsACString& aName); | |
| 32 NS_IMETHOD SetPrefixes(const uint32_t* aArray, uint32_t aLength); | |
| 33 NS_IMETHOD GetPrefixes(uint32_t* aCount, uint32_t** aPrefixes); | |
| 34 NS_IMETHOD Contains(uint32_t aPrefix, bool* aFound); | |
| 35 NS_IMETHOD IsEmpty(bool* aEmpty); | |
| 36 NS_IMETHOD LoadFromFile(nsIFile* aFile); | |
| 37 NS_IMETHOD StoreToFile(nsIFile* aFile); | |
| 38 | |
| 39 NS_DECL_THREADSAFE_ISUPPORTS | |
| 40 NS_DECL_NSIMEMORYREPORTER | |
| 41 | |
| 42 // Return the estimated size of the set on disk and in memory, in bytes. | |
| 43 size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf); | |
| 44 | |
| 45 protected: | |
| 46 static const uint32_t DELTAS_LIMIT = 100; | |
| 47 static const uint32_t MAX_INDEX_DIFF = (1 << 16); | |
| 48 static const uint32_t PREFIXSET_VERSION_MAGIC = 1; | |
| 49 | |
| 50 nsresult MakePrefixSet(const uint32_t* aArray, uint32_t aLength); | |
| 51 uint32_t BinSearch(uint32_t start, uint32_t end, uint32_t target); | |
| 52 nsresult LoadFromFd(mozilla::AutoFDClose& fileFd); | |
| 53 nsresult StoreToFd(mozilla::AutoFDClose& fileFd); | |
| 54 | |
| 55 // boolean indicating whether |setPrefixes| has been | |
| 56 // called with a non-empty array. | |
| 57 bool mHasPrefixes; | |
| 58 // the prefix for each index. | |
| 59 FallibleTArray<uint32_t> mIndexPrefixes; | |
| 60 // the value corresponds to the beginning of the run | |
| 61 // (an index in |_deltas|) for the index | |
| 62 FallibleTArray<uint32_t> mIndexStarts; | |
| 63 // array containing deltas from indices. | |
| 64 FallibleTArray<uint16_t> mDeltas; | |
| 65 | |
| 66 nsCString mMemoryReportPath; | |
| 67 }; | |
| 68 | |
| 69 #endif |
