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-rw-r--r--xpcom/io/nsIUnicharOutputStream.idl45
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+/* vim:set expandtab ts=4 sw=4 sts=4 cin: */
+/* 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 "nsISupports.idl"
+
+/**
+ * An interface that allows writing unicode data.
+ */
+[scriptable, uuid(2d00b1bb-8b21-4a63-bcc6-7213f513ac2e)]
+interface nsIUnicharOutputStream : nsISupports
+{
+ /**
+ * Write a single character to the stream. When writing many characters,
+ * prefer the string-taking write method.
+ *
+ * @retval true The character was written successfully
+ * @retval false Not all bytes of the character could be written.
+ */
+ boolean write(in unsigned long aCount,
+ [const, array, size_is(aCount)] in char16_t c);
+
+ /**
+ * Write a string to the stream.
+ *
+ * @retval true The string was written successfully
+ * @retval false Not all bytes of the string could be written.
+ */
+ boolean writeString(in AString str);
+
+ /**
+ * Flush the stream. This finishes the conversion and writes any bytes that
+ * finish the current byte sequence.
+ *
+ * It does NOT flush the underlying stream.
+ */
+ void flush();
+
+ /**
+ * Close the stream and free associated resources. This also closes the
+ * underlying stream.
+ */
+ void close();
+};