gecko-dev/intl/unicharutil/nsISaveAsCharset.idl

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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 "nsISupports.idl"
#include "nsIEntityConverter.idl"
%{C++
#define NS_SAVEASCHARSET_CID { 0xcd233e0, 0x7a86, 0x11d3, { 0x91, 0x5c, 0x0, 0x60, 0x8, 0xa6, 0xed, 0xf6 } }
#define NS_SAVEASCHARSET_CONTRACTID "@mozilla.org/intl/saveascharset;1"
%}
[scriptable, uuid(33B87F70-7A9C-11d3-915C-006008A6EDF6)]
interface nsISaveAsCharset : nsISupports
{
// attributes
const unsigned long mask_Fallback = 0x000000FF; // mask for fallback (8bits)
const unsigned long mask_Entity = 0x00000300; // mask for entity (2bits)
const unsigned long mask_CharsetFallback = 0x00000400; // mask for charset fallback (1bit)
const unsigned long attr_FallbackNone = 0; // no fall back for unconverted chars (skipped)
const unsigned long attr_FallbackQuestionMark = 1; // unconverted chars are replaced by '?'
const unsigned long attr_FallbackEscapeU = 2; // unconverted chars are escaped as \uxxxx
const unsigned long attr_FallbackDecimalNCR = 3; // unconverted chars are replaced by decimal NCR
const unsigned long attr_FallbackHexNCR = 4; // unconverted chars are replaced by hex NCR
const unsigned long attr_EntityNone = 0; // generate no Named Entity
const unsigned long attr_EntityBeforeCharsetConv = 0x00000100; // generate Named Entity before charset conversion
const unsigned long attr_EntityAfterCharsetConv = 0x00000200; // generate Named Entity after charset conversion
const unsigned long attr_CharsetFallback = 0x00000400; // fallback to other charset and restart the convesion
// default attribute for plain text
const unsigned long attr_plainTextDefault = attr_FallbackNone + attr_EntityNone;
// default attribute for html text
// generate entity before charset conversion, use decimal NCR
const unsigned long attr_htmlTextDefault = attr_FallbackDecimalNCR + attr_EntityBeforeCharsetConv;
readonly attribute string charset; // charset used for the conversion
// set up charset, attribute and entity version
// see nsIEntityConverter.idl for possible value of entityVersion (entityNone for plain text).
void Init(in string charset, in unsigned long attr, in unsigned long entityVersion);
// convert UCS-2 html to target charset
// may return the result code of the unicode converter (NS_ERROR_UENC_NOMAPPING)
// if the attribute does not specify any fall back (e.g. attrPlainTextDefault)
string Convert(in wstring inString);
};