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-rw-r--r--dom/filesystem/FileSystemUtils.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/filesystem/FileSystemUtils.h b/dom/filesystem/FileSystemUtils.h
new file mode 100644
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+++ b/dom/filesystem/FileSystemUtils.h
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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_FileSystemUtils_h
+#define mozilla_dom_FileSystemUtils_h
+
+#include "nsIGlobalObject.h"
+#include "nsStringFwd.h"
+#include "nsTArray.h"
+
+class nsIFile;
+class nsIRunnable;
+
+namespace mozilla::dom {
+
+#define FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL "/"
+#define FILESYSTEM_DOM_PATH_SEPARATOR_CHAR '/'
+
+/*
+ * This class is for error handling.
+ * All methods in this class are static.
+ */
+class FileSystemUtils {
+ public:
+ /*
+ * Return true if aDescendantPath is a descendant of aPath.
+ */
+ static bool IsDescendantPath(const nsAString& aPath,
+ const nsAString& aDescendantPath);
+
+ /**
+ * Return true if this is valid DOMPath. It also splits the path in
+ * subdirectories and stores them in aParts.
+ */
+ static bool IsValidRelativeDOMPath(const nsAString& aPath,
+ nsTArray<nsString>& aParts);
+
+ /**
+ * Helper method. If aGlobal is null, the SystemGroup EventTarget will be
+ * used.
+ */
+ static nsresult DispatchRunnable(nsIGlobalObject* aGlobal,
+ already_AddRefed<nsIRunnable>&& aRunnable);
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_FileSystemUtils_h