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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 mozilla_dom_cache_FileUtilsImpl_h
#define mozilla_dom_cache_FileUtilsImpl_h
#include "mozilla/dom/FlippedOnce.h"
#include "mozilla/dom/cache/FileUtils.h"
namespace mozilla {
namespace dom {
namespace cache {
template <typename Func>
nsresult BodyTraverseFiles(const QuotaInfo& aQuotaInfo, nsIFile& aBodyDir,
const Func& aHandleFileFunc,
const bool aCanRemoveFiles, const bool aTrackQuota) {
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
{
nsCOMPtr<nsIFile> parentFile;
nsresult rv = aBodyDir.GetParent(getter_AddRefs(parentFile));
MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(rv));
MOZ_DIAGNOSTIC_ASSERT(parentFile);
nsAutoCString nativeLeafName;
rv = parentFile->GetNativeLeafName(nativeLeafName);
MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(rv));
MOZ_DIAGNOSTIC_ASSERT(StringEndsWith(nativeLeafName, "morgue"_ns));
}
#endif
FlippedOnce<true> isEmpty;
CACHE_TRY(quota::CollectEachFile(
aBodyDir,
[&isEmpty, &aQuotaInfo, aTrackQuota, &aHandleFileFunc,
aCanRemoveFiles](const nsCOMPtr<nsIFile>& file) -> Result<Ok, nsresult> {
CACHE_TRY_INSPECT(const bool& isDir,
MOZ_TO_RESULT_INVOKE(file, IsDirectory));
// If it's a directory somehow, try to remove it and move on
CACHE_TRY(OkIf(!isDir), Ok{}, ([&aQuotaInfo, &file](const auto&) {
DebugOnly<nsresult> result = RemoveNsIFileRecursively(
aQuotaInfo, *file, /* aTrackQuota */ false);
MOZ_ASSERT(NS_SUCCEEDED(result));
}));
nsAutoCString leafName;
CACHE_TRY(file->GetNativeLeafName(leafName));
// Delete all tmp files regardless of known bodies. These are all
// considered orphans.
if (StringEndsWith(leafName, ".tmp"_ns)) {
if (aCanRemoveFiles) {
DebugOnly<nsresult> result =
RemoveNsIFile(aQuotaInfo, *file, aTrackQuota);
MOZ_ASSERT(NS_SUCCEEDED(result));
return Ok{};
}
} else {
CACHE_TRY(OkIf(StringEndsWith(leafName, ".final"_ns)), Ok{},
([&aQuotaInfo, &file](const auto&) {
// Otherwise, it must be a .final file. If its not, then
// try to remove it and move on
DebugOnly<nsresult> result = RemoveNsIFile(
aQuotaInfo, *file, /* aTrackQuota */ false);
MOZ_ASSERT(NS_SUCCEEDED(result));
}));
}
CACHE_TRY_INSPECT(const bool& fileDeleted,
aHandleFileFunc(*file, leafName));
if (fileDeleted) {
return Ok{};
}
isEmpty.EnsureFlipped();
return Ok{};
}));
if (isEmpty && aCanRemoveFiles) {
DebugOnly<nsresult> result =
RemoveNsIFileRecursively(aQuotaInfo, aBodyDir, /* aTrackQuota */ false);
MOZ_ASSERT(NS_SUCCEEDED(result));
}
return NS_OK;
}
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_FileUtilsImpl_h
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