forked from mirrors/gecko-dev
97 lines
2.9 KiB
C++
97 lines
2.9 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 DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
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#define DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
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#include "DatabaseFileManager.h"
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// local includes
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#include "ActorsParentCommon.h"
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// global includes
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#include "mozilla/dom/quota/QuotaCommon.h"
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#include "nsIFile.h"
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#include "nsString.h"
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namespace mozilla::dom::indexedDB {
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template <typename KnownDirEntryOp, typename UnknownDirEntryOp>
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Result<Ok, nsresult> DatabaseFileManager::TraverseFiles(
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nsIFile& aDirectory, KnownDirEntryOp&& aKnownDirEntryOp,
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UnknownDirEntryOp&& aUnknownDirEntryOp) {
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quota::AssertIsOnIOThread();
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QM_TRY_INSPECT(const bool& exists,
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MOZ_TO_RESULT_INVOKE_MEMBER(aDirectory, Exists));
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if (!exists) {
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return Ok{};
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}
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QM_TRY(quota::CollectEachFile(
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aDirectory,
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[&aKnownDirEntryOp, &aUnknownDirEntryOp](
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const nsCOMPtr<nsIFile>& file) -> Result<Ok, nsresult> {
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QM_TRY_INSPECT(const auto& dirEntryKind, quota::GetDirEntryKind(*file));
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switch (dirEntryKind) {
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case quota::nsIFileKind::ExistsAsDirectory: {
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QM_TRY_INSPECT(
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const auto& leafName,
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MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsString, file, GetLeafName));
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if (leafName.Equals(kJournalDirectoryName)) {
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QM_TRY(std::forward<KnownDirEntryOp>(aKnownDirEntryOp)(
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*file, /* isDirectory */ true));
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break;
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}
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Unused << WARN_IF_FILE_IS_UNKNOWN(*file);
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QM_TRY(std::forward<UnknownDirEntryOp>(aUnknownDirEntryOp)(
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*file, /* isDirectory */ true));
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break;
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}
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case quota::nsIFileKind::ExistsAsFile: {
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QM_TRY_INSPECT(
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const auto& leafName,
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MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsString, file, GetLeafName));
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nsresult rv;
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leafName.ToInteger64(&rv);
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if (NS_SUCCEEDED(rv)) {
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QM_TRY(std::forward<KnownDirEntryOp>(aKnownDirEntryOp)(
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*file, /* isDirectory */ false));
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break;
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}
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Unused << WARN_IF_FILE_IS_UNKNOWN(*file);
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QM_TRY(std::forward<UnknownDirEntryOp>(aUnknownDirEntryOp)(
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*file, /* isDirectory */ false));
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break;
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}
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case quota::nsIFileKind::DoesNotExist:
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// Ignore files that got removed externally while iterating.
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break;
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}
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return Ok{};
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}));
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return Ok{};
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}
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} // namespace mozilla::dom::indexedDB
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#endif // DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
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