1 files changed, 33 insertions, 0 deletions
diff --git a/netwerk/base/nsBase64Encoder.h b/netwerk/base/nsBase64Encoder.h
new file mode 100644
index 0000000000..b74d3c9b5a
--- /dev/null
+++ b/netwerk/base/nsBase64Encoder.h
@@ -0,0 +1,33 @@
+/* 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 NSBASE64ENCODER_H_
+#define NSBASE64ENCODER_H_
+
+#include "nsIOutputStream.h"
+#include "nsString.h"
+#include "mozilla/Attributes.h"
+
+/**
+ * A base64 encoder. Usage: Instantiate class, write to it using
+ * Write(), then call Finish() to get the base64-encoded data.
+ */
+class nsBase64Encoder final : public nsIOutputStream {
+ public:
+  nsBase64Encoder() = default;
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOUTPUTSTREAM
+
+  nsresult Finish(nsACString& _result);
+
+ private:
+  ~nsBase64Encoder() = default;
+
+  /// The data written to this stream. nsCString can deal fine with
+  /// binary data.
+  nsCString mData;
+};
+
+#endif