gecko-dev/intl/uconv/nsIScriptableUConv.idl
2019-08-19 23:37:25 +00:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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"
interface nsIInputStream;
%{C++
// {0A698C44-3BFF-11d4-9649-00C0CA135B4E}
#define NS_ISCRIPTABLEUNICODECONVERTER_CID { 0x0A698C44, 0x3BFF, 0x11d4, { 0x96, 0x49, 0x00, 0xC0, 0xCA, 0x13, 0x5B, 0x4E } }
#define NS_ISCRIPTABLEUNICODECONVERTER_CONTRACTID "@mozilla.org/intl/scriptableunicodeconverter"
%}
/**
* In new code, please use the WebIDL TextDecoder and TextEncoder
* instead. They represent bytes as Uint8Array (or as view to such
* array), which is the current best practice for representing bytes
* in JavaScript.
*
* This interface converts between UTF-16 in JavaScript strings
* and bytes transported as the unsigned value of each byte
* transported in a code unit of the same numeric value in
* a JavaScript string.
*
* @created 8/Jun/2000
* @author Makoto Kato [m_kato@ga2.so-net.ne.jp]
*/
[scriptable, uuid(f36ee324-5c1c-437f-ba10-2b4db7a18031)]
interface nsIScriptableUnicodeConverter : nsISupports
{
/**
* Converts the data from Unicode to one Charset.
* Returns the converted string. After converting, Finish should be called
* and its return value appended to this return value.
*/
ACString ConvertFromUnicode(in AString aSrc);
/**
* Returns the terminator string.
* Should be called after ConvertFromUnicode() and appended to that
* function's return value.
*/
ACString Finish();
/**
* Converts the data from one Charset to Unicode.
*/
AString ConvertToUnicode(in ACString aSrc);
/**
* Convert a unicode string to an array of bytes. Finish does not need to be
* called.
*/
void convertToByteArray(in AString aString,
[optional] out unsigned long aLen,
[array, size_is(aLen),retval] out octet aData);
/**
* Converts a unicode string to an input stream. The bytes in the stream are
* encoded according to the charset attribute.
* The returned stream will be nonblocking.
*/
nsIInputStream convertToInputStream(in AString aString);
/**
* Current character set.
*
* @throw NS_ERROR_UCONV_NOCONV
* The requested charset is not supported.
*/
attribute ACString charset;
/**
* Meaningless
*/
attribute boolean isInternal;
};