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231 lines
8.6 KiB
Plaintext
231 lines
8.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Boris Zbarsky <bzbarsky@mit.edu> (original author)
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* Benjamin Smedberg <benjamin@smedbergs.us>
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* Prasad Sunkari <prasad@medhas.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIPrefBranch;
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/**
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* nsINetUtil provides various network-related utility methods.
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*/
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[scriptable, uuid(ca68c485-9db3-4c12-82a6-4fab7948e2d5)]
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interface nsINetUtil : nsISupports
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{
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/**
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* Parse a content-type header and return the content type and
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* charset (if any).
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*
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* @param aTypeHeader the header string to parse
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* @param [out] aCharset the charset parameter specified in the
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* header, if any.
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* @param [out] aHadCharset whether a charset was explicitly specified.
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* @return the MIME type specified in the header, in lower-case.
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*/
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AUTF8String parseContentType(in AUTF8String aTypeHeader,
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out AUTF8String aCharset,
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out boolean aHadCharset);
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/**
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* Test whether the given URI's handler has the given protocol flags.
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*
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* @param aURI the URI in question
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* @param aFlags the flags we're testing for.
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*
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* @return whether the protocol handler for aURI has all the flags
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* in aFlags.
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*/
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boolean protocolHasFlags(in nsIURI aURI, in unsigned long aFlag);
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/**
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* Test whether the protocol handler for this URI or that for any of
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* its inner URIs has the given protocol flags. This will QI aURI to
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* nsINestedURI and walk the nested URI chain.
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*
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* @param aURI the URI in question
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* @param aFlags the flags we're testing for.
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*
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* @return whether any of the protocol handlers involved have all the flags
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* in aFlags.
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*/
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boolean URIChainHasFlags(in nsIURI aURI, in unsigned long aFlags);
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/**
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* Take aURI and produce an immutable version of it for the caller. If aURI
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* is immutable this will be aURI itself; otherwise this will be a clone,
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* marked immutable if possible. Passing null to this method is allowed; in
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* that case it will return null.
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*/
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nsIURI toImmutableURI(in nsIURI aURI);
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/**
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* Create a simple nested URI using the result of
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* toImmutableURI on the passed-in aURI which may not be null.
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* Note: The return URI will not have had its spec set yet.
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*/
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nsIURI newSimpleNestedURI(in nsIURI aURI);
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/** Escape every character with its %XX-escaped equivalent */
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const unsigned long ESCAPE_ALL = 0;
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/** Leave alphanumeric characters intact and %XX-escape all others */
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const unsigned long ESCAPE_XALPHAS = 1;
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/** Leave alphanumeric characters intact, convert spaces to '+',
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%XX-escape all others */
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const unsigned long ESCAPE_XPALPHAS = 2;
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/** Leave alphanumeric characters and forward slashes intact,
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%XX-escape all others */
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const unsigned long ESCAPE_URL_PATH = 4;
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/**
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* escape a string with %00-style escaping
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*/
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ACString escapeString(in ACString aString, in unsigned long aEscapeType);
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/** %XX-escape URL scheme */
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const unsigned long ESCAPE_URL_SCHEME = 1;
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/** %XX-escape username in the URL */
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const unsigned long ESCAPE_URL_USERNAME = 1 << 1;
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/** %XX-escape password in the URL */
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const unsigned long ESCAPE_URL_PASSWORD = 1 << 2;
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/** %XX-escape URL host */
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const unsigned long ESCAPE_URL_HOST = 1 << 3;
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/** %XX-escape URL directory */
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const unsigned long ESCAPE_URL_DIRECTORY = 1 << 4;
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/** %XX-escape file basename in the URL */
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const unsigned long ESCAPE_URL_FILE_BASENAME = 1 << 5;
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/** %XX-escape file extension in the URL */
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const unsigned long ESCAPE_URL_FILE_EXTENSION = 1 << 6;
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/** %XX-escape URL parameters */
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const unsigned long ESCAPE_URL_PARAM = 1 << 7;
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/** %XX-escape URL query */
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const unsigned long ESCAPE_URL_QUERY = 1 << 8;
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/** %XX-escape URL ref */
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const unsigned long ESCAPE_URL_REF = 1 << 9;
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/** %XX-escape URL path - same as escaping directory, basename and extension */
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const unsigned long ESCAPE_URL_FILEPATH =
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ESCAPE_URL_DIRECTORY | ESCAPE_URL_FILE_BASENAME | ESCAPE_URL_FILE_EXTENSION;
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/** %XX-escape scheme, username, password, host, path, params, query and ref */
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const unsigned long ESCAPE_URL_MINIMAL =
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ESCAPE_URL_SCHEME | ESCAPE_URL_USERNAME | ESCAPE_URL_PASSWORD |
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ESCAPE_URL_HOST | ESCAPE_URL_FILEPATH | ESCAPE_URL_PARAM |
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ESCAPE_URL_QUERY | ESCAPE_URL_REF;
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/** Force %XX-escaping of already escaped sequences */
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const unsigned long ESCAPE_URL_FORCED = 1 << 10;
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/** Skip non-ascii octets, %XX-escape all others */
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const unsigned long ESCAPE_URL_ONLY_ASCII = 1 << 11;
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/**
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* Skip graphic octets (0x20-0x7E) when escaping
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* Skips all ASCII octets (0x00-0x7F) when unescaping
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*/
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const unsigned long ESCAPE_URL_ONLY_NONASCII = 1 << 12;
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/** Force %XX-escape of colon */
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const unsigned long ESCAPE_URL_COLON = 1 << 14;
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/** Skip C0 and DEL from unescaping */
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const unsigned long ESCAPE_URL_SKIP_CONTROL = 1 << 15;
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/**
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* %XX-Escape invalid chars in a URL segment.
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*
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* @param aStr the URL to be escaped
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* @param aFlags the URL segment type flags
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*
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* @return the escaped string (the string itself if escaping did not happen)
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*
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*/
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ACString escapeURL(in ACString aStr, in unsigned long aFlags);
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/**
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* Expands URL escape sequences
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*
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* @param aStr the URL to be unescaped
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* @param aFlags only ESCAPE_URL_ONLY_NONASCII and ESCAPE_URL_SKIP_CONTROL
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* are recognized. If |aFlags| is 0 all escape sequences are
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* unescaped
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* @return unescaped string
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*/
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ACString unescapeString(in AUTF8String aStr, in unsigned long aFlags);
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/**
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* Extract the charset parameter location and value from a content-type
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* header.
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*
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* @param aTypeHeader the header string to parse
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* @param [out] aCharset the charset parameter specified in the
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* header, if any.
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* @param [out] aCharsetStart index of the start of the charset parameter
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* (the ';' separating it from what came before) in aTypeHeader.
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* If this function returns false, this argument will still be
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* set, to the index of the location where a new charset should
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* be inserted.
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* @param [out] aCharsetEnd index of the end of the charset parameter (the
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* ';' separating it from what comes after, or the end
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* of the string) in aTypeHeader. If this function returns
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* false, this argument will still be set, to the index of the
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* location where a new charset should be inserted.
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*
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* @return whether a charset parameter was found. This can be false even in
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* cases when parseContentType would claim to have a charset, if the type
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* that won out does not have a charset parameter specified.
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*/
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boolean extractCharsetFromContentType(in AUTF8String aTypeHeader,
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out AUTF8String aCharset,
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out long aCharsetStart,
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out long aCharsetEnd);
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};
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