1 files changed, 48 insertions, 0 deletions
diff --git a/dom/indexedDB/IndexedDBCommon.h b/dom/indexedDB/IndexedDBCommon.h
new file mode 100644
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+++ b/dom/indexedDB/IndexedDBCommon.h
@@ -0,0 +1,48 @@
+/* -*- 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_indexeddb_IndexedDBCommon_h
+#define mozilla_dom_indexeddb_IndexedDBCommon_h
+
+#include "mozilla/dom/quota/QuotaCommon.h"
+
+class JSStructuredCloneData;
+class nsIInputStream;
+
+// IndexedDB equivalents of QM_TRY.
+#define IDB_TRY_GLUE(...) \
+  QM_TRY_META(mozilla::dom::indexedDB, MOZ_UNIQUE_VAR(tryResult), ##__VA_ARGS__)
+#define IDB_TRY(...) IDB_TRY_GLUE(__VA_ARGS__)
+
+// IndexedDB equivalents of QM_TRY_UNWRAP and QM_TRY_INSPECT.
+#define IDB_TRY_ASSIGN_GLUE(accessFunction, ...)                         \
+  QM_TRY_ASSIGN_META(mozilla::dom::indexedDB, MOZ_UNIQUE_VAR(tryResult), \
+                     accessFunction, ##__VA_ARGS__)
+#define IDB_TRY_UNWRAP(...) IDB_TRY_ASSIGN_GLUE(unwrap, __VA_ARGS__)
+#define IDB_TRY_INSPECT(...) IDB_TRY_ASSIGN_GLUE(inspect, __VA_ARGS__)
+
+// IndexedDB equivalents of QM_TRY_RETURN.
+#define IDB_TRY_RETURN_GLUE(...)                                         \
+  QM_TRY_RETURN_META(mozilla::dom::indexedDB, MOZ_UNIQUE_VAR(tryResult), \
+                     ##__VA_ARGS__)
+#define IDB_TRY_RETURN(...) IDB_TRY_RETURN_GLUE(__VA_ARGS__)
+
+// IndexedDB equivalents of QM_FAIL.
+#define IDB_FAIL_GLUE(...) QM_FAIL_META(mozilla::dom::indexedDB, ##__VA_ARGS__)
+#define IDB_FAIL(...) IDB_FAIL_GLUE(__VA_ARGS__)
+
+namespace mozilla::dom::indexedDB {
+
+QM_META_HANDLE_ERROR("IndexedDB"_ns)
+
+static constexpr uint32_t kFileCopyBufferSize = 32768;
+
+nsresult SnappyUncompressStructuredCloneData(
+    nsIInputStream& aInputStream, JSStructuredCloneData& aStructuredCloneData);
+
+}  // namespace mozilla::dom::indexedDB
+
+#endif  // mozilla_dom_indexeddb_IndexedDBCommon_h