зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.1 KiB
C++
73 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 mozilla_dom_cache_FileUtils_h
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#define mozilla_dom_cache_FileUtils_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/cache/Types.h"
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#include "nsStreamUtils.h"
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#include "nsTArrayForwardDeclare.h"
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struct nsID;
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class nsIFile;
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namespace mozilla {
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namespace dom {
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namespace cache {
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// TODO: remove static class and use functions in cache namespace (bug 1110485)
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class FileUtils final
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{
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public:
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enum BodyFileType
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{
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BODY_FILE_FINAL,
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BODY_FILE_TMP
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};
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static nsresult BodyCreateDir(nsIFile* aBaseDir);
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// Note that this function can only be used during the initialization of the
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// database. We're unlikely to be able to delete the DB successfully past
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// that point due to the file being in use.
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static nsresult BodyDeleteDir(nsIFile* aBaseDir);
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static nsresult BodyGetCacheDir(nsIFile* aBaseDir, const nsID& aId,
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nsIFile** aCacheDirOut);
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static nsresult
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BodyStartWriteStream(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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nsIInputStream* aSource, void* aClosure,
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nsAsyncCopyCallbackFun aCallback, nsID* aIdOut,
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nsISupports** aCopyContextOut);
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static void
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BodyCancelWrite(nsIFile* aBaseDir, nsISupports* aCopyContext);
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static nsresult
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BodyFinalizeWrite(nsIFile* aBaseDir, const nsID& aId);
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static nsresult
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BodyOpen(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir, const nsID& aId,
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nsIInputStream** aStreamOut);
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static nsresult
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BodyDeleteFiles(nsIFile* aBaseDir, const nsTArray<nsID>& aIdList);
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private:
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static nsresult
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BodyIdToFile(nsIFile* aBaseDir, const nsID& aId, BodyFileType aType,
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nsIFile** aBodyFileOut);
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FileUtils() = delete;
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~FileUtils() = delete;
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};
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} // namespace cache
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_cache_FileUtils_h
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