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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/indexedDB/IndexedDBCommon.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/indexedDB/IndexedDBCommon.cpp')
-rw-r--r--dom/indexedDB/IndexedDBCommon.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/dom/indexedDB/IndexedDBCommon.cpp b/dom/indexedDB/IndexedDBCommon.cpp
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+++ b/dom/indexedDB/IndexedDBCommon.cpp
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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/. */
+
+#include "IndexedDBCommon.h"
+
+#include "js/StructuredClone.h"
+#include "mozilla/SnappyUncompressInputStream.h"
+
+namespace mozilla::dom::indexedDB {
+
+// aStructuredCloneData is a parameter rather than a return value because one
+// caller preallocates it on the heap not immediately before calling for some
+// reason. Maybe this could be changed.
+nsresult SnappyUncompressStructuredCloneData(
+ nsIInputStream& aInputStream, JSStructuredCloneData& aStructuredCloneData) {
+ const auto snappyInputStream =
+ MakeRefPtr<SnappyUncompressInputStream>(&aInputStream);
+
+ char buffer[kFileCopyBufferSize];
+
+ QM_TRY(CollectEach(
+ [&snappyInputStream = *snappyInputStream, &buffer] {
+ QM_TRY_RETURN(MOZ_TO_RESULT_INVOKE_MEMBER(snappyInputStream, Read,
+ buffer, sizeof(buffer)));
+ },
+ [&aStructuredCloneData,
+ &buffer](const uint32_t& numRead) -> Result<Ok, nsresult> {
+ QM_TRY(OkIf(aStructuredCloneData.AppendBytes(buffer, numRead)),
+ Err(NS_ERROR_OUT_OF_MEMORY));
+
+ return Ok{};
+ }));
+
+ return NS_OK;
+}
+
+} // namespace mozilla::dom::indexedDB