1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/intl/uconv/idl/nsIUTF8ConverterService.idl Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,68 @@ 1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 1.5 +/* vim:expandtab:shiftwidth=4:tabstop=4: 1.6 + */ 1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.10 + 1.11 +#include "nsISupports.idl" 1.12 + 1.13 +[scriptable, uuid(249f52a3-2599-4b00-ba40-0481364831a2)] 1.14 +interface nsIUTF8ConverterService : nsISupports 1.15 +{ 1.16 + /** 1.17 + * Ensure that |aString| is encoded in UTF-8. If not, 1.18 + * convert to UTF-8 assuming it's encoded in |aCharset| 1.19 + * and return the converted string in UTF-8. 1.20 + * 1.21 + * @param aString a string to ensure its UTF8ness 1.22 + * @param aCharset the charset to convert from if |aString| is not in UTF-8 1.23 + * @param aSkipCheck determines whether or not to skip 'ASCIIness' and 1.24 + * 'UTF8ness' check. Set this to PR_TRUE only if you suspect that 1.25 + * aString can be mistaken for ASCII / UTF-8 but is actually NOT 1.26 + * in ASCII / UTF-8 so that aString has to go through the conversion. 1.27 + * skipping ASCIIness/UTF8ness check. 1.28 + * The most common case is the input is in 7bit non-ASCII charsets 1.29 + * like ISO-2022-JP, HZ or UTF-7 (in its original form or 1.30 + * a modified form used in IMAP folder names). 1.31 + * @param aAllowSubstitution when true, allow the decoder to substitute 1.32 + * invalid input sequences by replacement characters (defaults to 1.33 + * true) 1.34 + * @return the converted string in UTF-8. 1.35 + * @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset 1.36 + * or error code of nsIUnicodeDecoder in case of conversion failure 1.37 + */ 1.38 + 1.39 + [optional_argc] 1.40 + AUTF8String convertStringToUTF8(in ACString aString, 1.41 + in string aCharset, 1.42 + in boolean aSkipCheck, 1.43 + [optional] in boolean aAllowSubstitution); 1.44 + 1.45 +/* XXX : To-be-added. convertStringFromUTF8 */ 1.46 + 1.47 + /** 1.48 + * Ensure that |aSpec| (after URL-unescaping it) is encoded in UTF-8. 1.49 + * If not, convert it to UTF-8, assuming it's encoded in |aCharset|, 1.50 + * and return the result. 1.51 + * 1.52 + * <p>Make sure that all characters outside US-ASCII in your input spec 1.53 + * are url-escaped if your spec is not in UTF-8 (before url-escaping) 1.54 + * because the presence of non-ASCII characters is <strong>blindly</strong> 1.55 + * regarded as an indication that your input spec is in unescaped UTF-8 1.56 + * and it will be returned without further processing. No valid spec 1.57 + * going around in Mozilla code would break this assumption. 1.58 + * 1.59 + * <p>XXX The above may change in the future depending on the usage pattern. 1.60 + * 1.61 + * @param aSpec an url-escaped URI spec to ensure its UTF8ness 1.62 + * @param aCharset the charset to convert from if |aSpec| is not in UTF-8 1.63 + * @return the converted spec in UTF-8. 1.64 + * @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset 1.65 + * or error code of nsIUnicodeDecoder in case of conversion failure 1.66 + */ 1.67 + 1.68 + AUTF8String convertURISpecToUTF8(in ACString aSpec, 1.69 + in string aCharset); 1.70 +}; 1.71 +