intl/uconv/idl/nsIUTF8ConverterService.idl

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* vim:expandtab:shiftwidth=4:tabstop=4:
michael@0 3 */
michael@0 4 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 5 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 7
michael@0 8 #include "nsISupports.idl"
michael@0 9
michael@0 10 [scriptable, uuid(249f52a3-2599-4b00-ba40-0481364831a2)]
michael@0 11 interface nsIUTF8ConverterService : nsISupports
michael@0 12 {
michael@0 13 /**
michael@0 14 * Ensure that |aString| is encoded in UTF-8. If not,
michael@0 15 * convert to UTF-8 assuming it's encoded in |aCharset|
michael@0 16 * and return the converted string in UTF-8.
michael@0 17 *
michael@0 18 * @param aString a string to ensure its UTF8ness
michael@0 19 * @param aCharset the charset to convert from if |aString| is not in UTF-8
michael@0 20 * @param aSkipCheck determines whether or not to skip 'ASCIIness' and
michael@0 21 * 'UTF8ness' check. Set this to PR_TRUE only if you suspect that
michael@0 22 * aString can be mistaken for ASCII / UTF-8 but is actually NOT
michael@0 23 * in ASCII / UTF-8 so that aString has to go through the conversion.
michael@0 24 * skipping ASCIIness/UTF8ness check.
michael@0 25 * The most common case is the input is in 7bit non-ASCII charsets
michael@0 26 * like ISO-2022-JP, HZ or UTF-7 (in its original form or
michael@0 27 * a modified form used in IMAP folder names).
michael@0 28 * @param aAllowSubstitution when true, allow the decoder to substitute
michael@0 29 * invalid input sequences by replacement characters (defaults to
michael@0 30 * true)
michael@0 31 * @return the converted string in UTF-8.
michael@0 32 * @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset
michael@0 33 * or error code of nsIUnicodeDecoder in case of conversion failure
michael@0 34 */
michael@0 35
michael@0 36 [optional_argc]
michael@0 37 AUTF8String convertStringToUTF8(in ACString aString,
michael@0 38 in string aCharset,
michael@0 39 in boolean aSkipCheck,
michael@0 40 [optional] in boolean aAllowSubstitution);
michael@0 41
michael@0 42 /* XXX : To-be-added. convertStringFromUTF8 */
michael@0 43
michael@0 44 /**
michael@0 45 * Ensure that |aSpec| (after URL-unescaping it) is encoded in UTF-8.
michael@0 46 * If not, convert it to UTF-8, assuming it's encoded in |aCharset|,
michael@0 47 * and return the result.
michael@0 48 *
michael@0 49 * <p>Make sure that all characters outside US-ASCII in your input spec
michael@0 50 * are url-escaped if your spec is not in UTF-8 (before url-escaping)
michael@0 51 * because the presence of non-ASCII characters is <strong>blindly</strong>
michael@0 52 * regarded as an indication that your input spec is in unescaped UTF-8
michael@0 53 * and it will be returned without further processing. No valid spec
michael@0 54 * going around in Mozilla code would break this assumption.
michael@0 55 *
michael@0 56 * <p>XXX The above may change in the future depending on the usage pattern.
michael@0 57 *
michael@0 58 * @param aSpec an url-escaped URI spec to ensure its UTF8ness
michael@0 59 * @param aCharset the charset to convert from if |aSpec| is not in UTF-8
michael@0 60 * @return the converted spec in UTF-8.
michael@0 61 * @throws NS_ERROR_UCONV_NOCONV when there is no decoder for aCharset
michael@0 62 * or error code of nsIUnicodeDecoder in case of conversion failure
michael@0 63 */
michael@0 64
michael@0 65 AUTF8String convertURISpecToUTF8(in ACString aSpec,
michael@0 66 in string aCharset);
michael@0 67 };
michael@0 68

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