зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
3.1 KiB
Plaintext
69 строки
3.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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[scriptable, uuid(249f52a3-2599-4b00-ba40-0481364831a2)]
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interface nsIUTF8ConverterService : nsISupports
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{
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/**
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* Ensure that |aString| is encoded in UTF-8. If not,
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* convert to UTF-8 assuming it's encoded in |aCharset|
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* and return the converted string in UTF-8.
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*
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* @param aString a string to ensure its UTF8ness
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* @param aCharset the charset to convert from if |aString| is not in UTF-8
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* @param aSkipCheck determines whether or not to skip 'ASCIIness' and
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* 'UTF8ness' check. Set this to PR_TRUE only if you suspect that
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* aString can be mistaken for ASCII / UTF-8 but is actually NOT
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* in ASCII / UTF-8 so that aString has to go through the conversion.
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* skipping ASCIIness/UTF8ness check.
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* The most common case is the input is in 7bit non-ASCII charsets
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* like ISO-2022-JP, HZ or UTF-7 (in its original form or
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* a modified form used in IMAP folder names).
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* @param aAllowSubstitution when true, allow the decoder to substitute
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* invalid input sequences by replacement characters (defaults to
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* true)
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* @return the converted string in UTF-8.
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* @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset
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* or error code of nsIUnicodeDecoder in case of conversion failure
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*/
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[optional_argc]
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AUTF8String convertStringToUTF8(in ACString aString,
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in string aCharset,
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in boolean aSkipCheck,
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[optional] in boolean aAllowSubstitution);
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/* XXX : To-be-added. convertStringFromUTF8 */
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/**
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* Ensure that |aSpec| (after URL-unescaping it) is encoded in UTF-8.
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* If not, convert it to UTF-8, assuming it's encoded in |aCharset|,
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* and return the result.
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*
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* <p>Make sure that all characters outside US-ASCII in your input spec
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* are url-escaped if your spec is not in UTF-8 (before url-escaping)
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* because the presence of non-ASCII characters is <strong>blindly</strong>
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* regarded as an indication that your input spec is in unescaped UTF-8
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* and it will be returned without further processing. No valid spec
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* going around in Mozilla code would break this assumption.
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*
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* <p>XXX The above may change in the future depending on the usage pattern.
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*
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* @param aSpec an url-escaped URI spec to ensure its UTF8ness
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* @param aCharset the charset to convert from if |aSpec| is not in UTF-8
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* @return the converted spec in UTF-8.
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* @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset
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* or error code of nsIUnicodeDecoder in case of conversion failure
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*/
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AUTF8String convertURISpecToUTF8(in ACString aSpec,
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in string aCharset);
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};
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