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63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* 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 CacheIndexIterator__h__
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#define CacheIndexIterator__h__
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#include "nsTArray.h"
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#include "nsCOMPtr.h"
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#include "mozilla/SHA1.h"
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#include "mozilla/StaticMutex.h"
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namespace mozilla {
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namespace net {
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class CacheIndex;
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class CacheIndexRecordWrapper;
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class CacheIndexIterator {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CacheIndexIterator)
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CacheIndexIterator(CacheIndex* aIndex, bool aAddNew);
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protected:
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virtual ~CacheIndexIterator();
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public:
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// Returns a hash of a next entry. If there is no entry NS_ERROR_NOT_AVAILABLE
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// is returned and the iterator is closed. Other error is returned when the
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// iterator is closed for other reason, e.g. shutdown.
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nsresult GetNextHash(SHA1Sum::Hash* aHash);
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// Closes the iterator. This means the iterator is removed from the list of
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// iterators in CacheIndex.
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nsresult Close();
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protected:
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friend class CacheIndex;
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nsresult CloseInternal(nsresult aStatus);
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bool ShouldBeNewAdded() { return mAddNew; }
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virtual void AddRecord(CacheIndexRecordWrapper* aRecord,
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const StaticMutexAutoLock& aProofOfLock);
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bool RemoveRecord(CacheIndexRecordWrapper* aRecord,
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const StaticMutexAutoLock& aProofOfLock);
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bool ReplaceRecord(CacheIndexRecordWrapper* aOldRecord,
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CacheIndexRecordWrapper* aNewRecord,
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const StaticMutexAutoLock& aProofOfLock);
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void ClearRecords(const StaticMutexAutoLock& aProofOfLock);
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nsresult mStatus;
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RefPtr<CacheIndex> mIndex;
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nsTArray<RefPtr<CacheIndexRecordWrapper>> mRecords;
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bool mAddNew;
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};
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} // namespace net
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} // namespace mozilla
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#endif
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