gecko-dev/xpcom/io/nsIUnicharOutputStream.idl
2012-05-21 12:12:37 +01:00

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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 PRUnichar 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.
*
* @see nsIUnicodeEncoder::Finish
*/
void flush();
/**
* Close the stream and free associated resources. This also closes the
* underlying stream.
*/
void close();
};