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-rw-r--r--xpcom/io/nsIConverterInputStream.idl45
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "nsIUnicharInputStream.idl"
+
+interface nsIInputStream;
+
+/**
+ * A unichar input stream that wraps an input stream.
+ * This allows reading unicode strings from a stream, automatically converting
+ * the bytes from a selected character encoding.
+ */
+[scriptable, uuid(FC66FFB6-5404-4908-A4A3-27F92FA0579D)]
+interface nsIConverterInputStream : nsIUnicharInputStream {
+ /**
+ * Default replacement char value, U+FFFD REPLACEMENT CHARACTER.
+ */
+ const char16_t DEFAULT_REPLACEMENT_CHARACTER = 0xFFFD;
+
+ /**
+ * Special replacement character value that requests errors to
+ * be treated as fatal.
+ */
+ const char16_t ERRORS_ARE_FATAL = 0;
+
+ /**
+ * Initialize this stream.
+ * @param aStream
+ * The underlying stream to read from.
+ * @param aCharset
+ * The character encoding to use for converting the bytes of the
+ * stream. A null charset will be interpreted as UTF-8.
+ * @param aBufferSize
+ * How many bytes to buffer.
+ * @param aReplacementChar
+ * The character to replace unknown byte sequences in the stream
+ * with. The standard replacement character is U+FFFD.
+ * A value of 0x0000 will cause an exception to be thrown if unknown
+ * byte sequences are encountered in the stream.
+ */
+ void init (in nsIInputStream aStream, in string aCharset,
+ in long aBufferSize, in char16_t aReplacementChar);
+};