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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
#define DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
#include "DatabaseFileManager.h"
// local includes
#include "ActorsParentCommon.h"
// global includes
#include "mozilla/dom/quota/Assertions.h"
#include "mozilla/dom/quota/QuotaCommon.h"
#include "nsIFile.h"
#include "nsString.h"
namespace mozilla::dom::indexedDB {
template <typename KnownDirEntryOp, typename UnknownDirEntryOp>
Result<Ok, nsresult> DatabaseFileManager::TraverseFiles(
nsIFile& aDirectory, KnownDirEntryOp&& aKnownDirEntryOp,
UnknownDirEntryOp&& aUnknownDirEntryOp) {
quota::AssertIsOnIOThread();
QM_TRY_INSPECT(const bool& exists,
MOZ_TO_RESULT_INVOKE_MEMBER(aDirectory, Exists));
if (!exists) {
return Ok{};
}
QM_TRY(quota::CollectEachFile(
aDirectory,
[&aKnownDirEntryOp, &aUnknownDirEntryOp](
const nsCOMPtr<nsIFile>& file) -> Result<Ok, nsresult> {
QM_TRY_INSPECT(const auto& dirEntryKind, quota::GetDirEntryKind(*file));
switch (dirEntryKind) {
case quota::nsIFileKind::ExistsAsDirectory: {
QM_TRY_INSPECT(
const auto& leafName,
MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsString, file, GetLeafName));
if (leafName.Equals(kJournalDirectoryName)) {
QM_TRY(std::forward<KnownDirEntryOp>(aKnownDirEntryOp)(
*file, /* isDirectory */ true));
break;
}
Unused << WARN_IF_FILE_IS_UNKNOWN(*file);
QM_TRY(std::forward<UnknownDirEntryOp>(aUnknownDirEntryOp)(
*file, /* isDirectory */ true));
break;
}
case quota::nsIFileKind::ExistsAsFile: {
QM_TRY_INSPECT(
const auto& leafName,
MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsString, file, GetLeafName));
nsresult rv;
leafName.ToInteger64(&rv);
if (NS_SUCCEEDED(rv)) {
QM_TRY(std::forward<KnownDirEntryOp>(aKnownDirEntryOp)(
*file, /* isDirectory */ false));
break;
}
Unused << WARN_IF_FILE_IS_UNKNOWN(*file);
QM_TRY(std::forward<UnknownDirEntryOp>(aUnknownDirEntryOp)(
*file, /* isDirectory */ false));
break;
}
case quota::nsIFileKind::DoesNotExist:
// Ignore files that got removed externally while iterating.
break;
}
return Ok{};
}));
return Ok{};
}
} // namespace mozilla::dom::indexedDB
#endif // DOM_INDEXEDDB_DATABASEFILEMANAGERIMPL_H_
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