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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
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//* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Url Classifier code
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dave Camp <dcamp@mozilla.com>
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* Gian-Carlo Pascutto <gpascutto@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef ChunkSet_h__
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#define ChunkSet_h__
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#include "Entries.h"
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#include "nsString.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace safebrowsing {
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/**
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* Store the chunks as an array of uint32.
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* XXX: We should optimize this further to compress the
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* many consecutive numbers.
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*/
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class ChunkSet {
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public:
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ChunkSet() {}
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~ChunkSet() {}
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nsresult Serialize(nsACString& aStr);
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nsresult Set(PRUint32 aChunk);
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nsresult Unset(PRUint32 aChunk);
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void Clear();
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nsresult Merge(const ChunkSet& aOther);
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nsresult Remove(const ChunkSet& aOther);
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bool Has(PRUint32 chunk) const;
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uint32 Length() const { return mChunks.Length(); }
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nsresult Write(nsIOutputStream* aOut) {
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return WriteTArray(aOut, mChunks);
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}
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nsresult Read(nsIInputStream* aIn, PRUint32 aNumElements) {
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return ReadTArray(aIn, &mChunks, aNumElements);
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}
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uint32 *Begin() { return mChunks.Elements(); }
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uint32 *End() { return mChunks.Elements() + mChunks.Length(); }
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private:
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nsTArray<uint32> mChunks;
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};
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}
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}
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#endif
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