зеркало из https://github.com/mozilla/pjs.git
1796 строки
63 KiB
C++
1796 строки
63 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 sts=2 et cin: */
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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 the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Scott MacGregor <mscott@netscape.com>
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* Boris Zbarsky <bzbarsky@mit.edu> (Added mailcap and mime.types support)
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* Peter Weilbacher <mozilla@Weilbacher.org>
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* Rich Walsh <dragtext@e-vertise.com>
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* Dan Mosedale <dmose@mozilla.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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 "nsOSHelperAppService.h"
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#include "nsISupports.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsXPIDLString.h"
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#include "nsIURL.h"
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#include "nsIFileStreams.h"
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#include "nsILineInputStream.h"
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#include "nsILocalFile.h"
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#include "nsIProcess.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsHashtable.h"
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#include "nsCRT.h"
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#include "prenv.h" // for PR_GetEnv()
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#include "nsMIMEInfoOS2.h"
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#include "nsAutoPtr.h"
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#include "nsIRwsService.h"
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#include "nsIStringBundle.h"
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#include "nsLocalHandlerApp.h"
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#include "mozilla/Services.h"
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#include <stdlib.h> // for system()
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//------------------------------------------------------------------------
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// reduces overhead by preventing calls to nsRws when it isn't present
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static PRBool sUseRws = PR_TRUE;
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static nsresult
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FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
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const nsAString::const_iterator& aEnd_iter);
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static nsresult
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ParseMIMEType(const nsAString::const_iterator& aStart_iter,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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const nsAString::const_iterator& aEnd_iter);
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inline PRBool
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IsNetscapeFormat(const nsACString& aBuffer);
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//------------------------------------------------------------------------
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nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService()
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{
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}
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nsOSHelperAppService::~nsOSHelperAppService()
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{}
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/*
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* Take a command with all the mailcap escapes in it and unescape it
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* Ideally this needs the mime type, mime type options, and location of the
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* temporary file, but this last can't be got from here
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*/
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// static
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nsresult
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nsOSHelperAppService::UnescapeCommand(const nsAString& aEscapedCommand,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsACString& aUnEscapedCommand) {
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LOG(("-- UnescapeCommand"));
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LOG(("Command to escape: '%s'\n",
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NS_LossyConvertUTF16toASCII(aEscapedCommand).get()));
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// XXX This function will need to get the mime type and various stuff like that being passed in to work properly
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LOG(("UnescapeCommand really needs some work -- it should actually do some unescaping\n"));
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CopyUTF16toUTF8(aEscapedCommand, aUnEscapedCommand);
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LOG(("Escaped command: '%s'\n",
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PromiseFlatCString(aUnEscapedCommand).get()));
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return NS_OK;
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}
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/* Put aSemicolon_iter at the first non-escaped semicolon after
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* aStart_iter but before aEnd_iter
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*/
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static nsresult
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FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
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const nsAString::const_iterator& aEnd_iter) {
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PRBool semicolonFound = PR_FALSE;
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while (aSemicolon_iter != aEnd_iter && !semicolonFound) {
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switch(*aSemicolon_iter) {
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case '\\':
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aSemicolon_iter.advance(2);
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break;
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case ';':
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semicolonFound = PR_TRUE;
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break;
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default:
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++aSemicolon_iter;
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break;
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}
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}
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return NS_OK;
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}
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static nsresult
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ParseMIMEType(const nsAString::const_iterator& aStart_iter,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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const nsAString::const_iterator& aEnd_iter) {
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nsAString::const_iterator iter(aStart_iter);
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// skip leading whitespace
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while (iter != aEnd_iter && nsCRT::IsAsciiSpace(*iter)) {
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++iter;
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}
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMajorTypeStart = iter;
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// find major/minor separator ('/')
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while (iter != aEnd_iter && *iter != '/') {
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++iter;
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}
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMajorTypeEnd = iter;
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// skip '/'
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++iter;
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMinorTypeStart = iter;
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// find end of minor type, delimited by whitespace or ';'
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while (iter != aEnd_iter && !nsCRT::IsAsciiSpace(*iter) && *iter != ';') {
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++iter;
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}
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aMinorTypeEnd = iter;
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return NS_OK;
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}
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// static
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nsresult
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nsOSHelperAppService::GetFileLocation(const char* aPrefName,
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const char* aEnvVarName,
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PRUnichar** aFileLocation) {
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LOG(("-- GetFileLocation. Pref: '%s' EnvVar: '%s'\n",
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aPrefName,
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aEnvVarName));
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NS_PRECONDITION(aPrefName, "Null pref name passed; don't do that!");
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nsresult rv;
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*aFileLocation = nsnull;
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/* The lookup order is:
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1) user pref
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2) env var
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3) pref
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*/
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nsCOMPtr<nsIPrefService> prefService(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIPrefBranch> prefBranch;
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rv = prefService->GetBranch(nsnull, getter_AddRefs(prefBranch));
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NS_ENSURE_SUCCESS(rv, rv);
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/*
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If we have an env var we should check whether the pref is a user
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pref. If we do not, we don't care.
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*/
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nsCOMPtr<nsISupportsString> prefFileName;
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PRBool isUserPref = PR_FALSE;
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prefBranch->PrefHasUserValue(aPrefName, &isUserPref);
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if (isUserPref) {
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rv = prefBranch->GetComplexValue(aPrefName,
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NS_GET_IID(nsISupportsString),
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getter_AddRefs(prefFileName));
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if (NS_SUCCEEDED(rv)) {
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return prefFileName->ToString(aFileLocation);
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}
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}
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if (aEnvVarName && *aEnvVarName) {
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char* prefValue = PR_GetEnv(aEnvVarName);
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if (prefValue && *prefValue) {
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// the pref is in the system charset and it's a filepath... The
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// natural way to do the charset conversion is by just initing
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// an nsIFile with the native path and asking it for the Unicode
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// version.
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nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = file->InitWithNativePath(nsDependentCString(prefValue));
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoString unicodePath;
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rv = file->GetPath(unicodePath);
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NS_ENSURE_SUCCESS(rv, rv);
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*aFileLocation = ToNewUnicode(unicodePath);
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if (!*aFileLocation)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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}
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rv = prefBranch->GetComplexValue(aPrefName,
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NS_GET_IID(nsISupportsString),
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getter_AddRefs(prefFileName));
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if (NS_SUCCEEDED(rv)) {
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return prefFileName->ToString(aFileLocation);
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}
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return rv;
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}
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/* Get the mime.types file names from prefs and look up info in them
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based on extension */
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// static
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nsresult
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nsOSHelperAppService::LookUpTypeAndDescription(const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription) {
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LOG(("-- LookUpTypeAndDescription for extension '%s'\n",
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NS_LossyConvertUTF16toASCII(aFileExtension).get()));
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nsresult rv = NS_OK;
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nsXPIDLString mimeFileName;
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rv = GetFileLocation("helpers.private_mime_types_file",
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nsnull,
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getter_Copies(mimeFileName));
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if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
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rv = GetTypeAndDescriptionFromMimetypesFile(mimeFileName,
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aFileExtension,
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aMajorType,
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aMinorType,
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aDescription);
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} else {
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rv = NS_ERROR_NOT_AVAILABLE;
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}
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if (NS_FAILED(rv) || aMajorType.IsEmpty()) {
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rv = GetFileLocation("helpers.global_mime_types_file",
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nsnull,
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getter_Copies(mimeFileName));
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if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
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rv = GetTypeAndDescriptionFromMimetypesFile(mimeFileName,
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aFileExtension,
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aMajorType,
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aMinorType,
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aDescription);
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} else {
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rv = NS_ERROR_NOT_AVAILABLE;
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}
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}
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return rv;
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}
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inline PRBool
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IsNetscapeFormat(const nsACString& aBuffer) {
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return StringBeginsWith(aBuffer, NS_LITERAL_CSTRING("#--Netscape Communications Corporation MIME Information")) ||
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StringBeginsWith(aBuffer, NS_LITERAL_CSTRING("#--MCOM MIME Information"));
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}
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/*
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* Create a file stream and line input stream for the filename.
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* Leaves the first line of the file in aBuffer and sets the format to
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* PR_TRUE for netscape files and false for normail ones
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*/
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// static
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nsresult
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nsOSHelperAppService::CreateInputStream(const nsAString& aFilename,
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nsIFileInputStream ** aFileInputStream,
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nsILineInputStream ** aLineInputStream,
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nsACString& aBuffer,
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PRBool * aNetscapeFormat,
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PRBool * aMore) {
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LOG(("-- CreateInputStream"));
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nsresult rv = NS_OK;
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nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
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if (NS_FAILED(rv))
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return rv;
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rv = file->InitWithPath(aFilename);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsIFileInputStream> fileStream(do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
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if (NS_FAILED(rv))
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return rv;
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rv = fileStream->Init(file, -1, -1, PR_FALSE);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsILineInputStream> lineStream(do_QueryInterface(fileStream, &rv));
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if (NS_FAILED(rv)) {
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LOG(("Interface trouble in stream land!"));
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return rv;
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}
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rv = lineStream->ReadLine(aBuffer, aMore);
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if (NS_FAILED(rv)) {
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fileStream->Close();
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return rv;
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}
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*aNetscapeFormat = IsNetscapeFormat(aBuffer);
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*aFileInputStream = fileStream;
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NS_ADDREF(*aFileInputStream);
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*aLineInputStream = lineStream;
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NS_ADDREF(*aLineInputStream);
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return NS_OK;
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}
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/* Open the file, read the first line, decide what type of file it is,
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then get info based on extension */
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// static
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nsresult
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nsOSHelperAppService::GetTypeAndDescriptionFromMimetypesFile(const nsAString& aFilename,
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const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription) {
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LOG(("-- GetTypeAndDescriptionFromMimetypesFile\n"));
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LOG(("Getting type and description from types file '%s'\n",
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NS_LossyConvertUTF16toASCII(aFilename).get()));
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LOG(("Using extension '%s'\n",
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NS_LossyConvertUTF16toASCII(aFileExtension).get()));
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nsresult rv = NS_OK;
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nsCOMPtr<nsIFileInputStream> mimeFile;
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nsCOMPtr<nsILineInputStream> mimeTypes;
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PRBool netscapeFormat;
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nsAutoString buf;
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nsCAutoString cBuf;
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PRBool more = PR_FALSE;
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rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
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cBuf, &netscapeFormat, &more);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsAutoString extensions;
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nsString entry;
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entry.SetCapacity(100);
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nsAString::const_iterator majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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descriptionStart, descriptionEnd;
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do {
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CopyASCIItoUTF16(cBuf, buf);
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// read through, building up an entry. If we finish an entry, check for
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// a match and return out of the loop if we match
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// skip comments and empty lines
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if (!buf.IsEmpty() && buf.First() != '#') {
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entry.Append(buf);
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if (entry.Last() == '\\') {
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entry.Truncate(entry.Length() - 1);
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entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
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} else { // we have a full entry
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LOG(("Current entry: '%s'\n",
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NS_LossyConvertUTF16toASCII(entry).get()));
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if (netscapeFormat) {
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rv = ParseNetscapeMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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if (NS_FAILED(rv)) {
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// We sometimes get things like RealPlayer appending
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// "normal" entries to "Netscape" .mime.types files. Try
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// to handle that. Bug 106381.
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LOG(("Bogus entry; trying 'normal' mode\n"));
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rv = ParseNormalMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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}
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} else {
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rv = ParseNormalMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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if (NS_FAILED(rv)) {
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// We sometimes get things like StarOffice prepending
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// "normal" entries to "Netscape" .mime.types files. Try
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// to handle that. Bug 136670.
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LOG(("Bogus entry; trying 'Netscape' mode\n"));
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rv = ParseNetscapeMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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}
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}
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if (NS_SUCCEEDED(rv)) { // entry parses
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nsAString::const_iterator start, end;
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extensions.BeginReading(start);
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extensions.EndReading(end);
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nsAString::const_iterator iter(start);
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while (start != end) {
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FindCharInReadable(',', iter, end);
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if (Substring(start, iter).Equals(aFileExtension,
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nsCaseInsensitiveStringComparator())) {
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// it's a match. Assign the type and description and run
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aMajorType.Assign(Substring(majorTypeStart, majorTypeEnd));
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aMinorType.Assign(Substring(minorTypeStart, minorTypeEnd));
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aDescription.Assign(Substring(descriptionStart, descriptionEnd));
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mimeFile->Close();
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return NS_OK;
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}
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if (iter != end) {
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++iter;
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}
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start = iter;
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}
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} else {
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LOG(("Failed to parse entry: %s\n", NS_LossyConvertUTF16toASCII(entry).get()));
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}
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// truncate the entry for the next iteration
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entry.Truncate();
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}
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}
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if (!more) {
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rv = NS_ERROR_NOT_AVAILABLE;
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break;
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}
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// read the next line
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rv = mimeTypes->ReadLine(cBuf, &more);
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} while (NS_SUCCEEDED(rv));
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mimeFile->Close();
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return rv;
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}
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|
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/* Get the mime.types file names from prefs and look up info in them
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based on mimetype */
|
|
// static
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nsresult
|
|
nsOSHelperAppService::LookUpExtensionsAndDescription(const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsAString& aFileExtensions,
|
|
nsAString& aDescription) {
|
|
LOG(("-- LookUpExtensionsAndDescription for type '%s/%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aMajorType).get(),
|
|
NS_LossyConvertUTF16toASCII(aMinorType).get()));
|
|
nsresult rv = NS_OK;
|
|
nsXPIDLString mimeFileName;
|
|
|
|
rv = GetFileLocation("helpers.private_mime_types_file",
|
|
nsnull,
|
|
getter_Copies(mimeFileName));
|
|
if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
|
|
rv = GetExtensionsAndDescriptionFromMimetypesFile(mimeFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aFileExtensions,
|
|
aDescription);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (NS_FAILED(rv) || aFileExtensions.IsEmpty()) {
|
|
rv = GetFileLocation("helpers.global_mime_types_file",
|
|
nsnull,
|
|
getter_Copies(mimeFileName));
|
|
if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
|
|
rv = GetExtensionsAndDescriptionFromMimetypesFile(mimeFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aFileExtensions,
|
|
aDescription);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/* Open the file, read the first line, decide what type of file it is,
|
|
then get info based on extension */
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::GetExtensionsAndDescriptionFromMimetypesFile(const nsAString& aFilename,
|
|
const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsAString& aFileExtensions,
|
|
nsAString& aDescription) {
|
|
LOG(("-- GetExtensionsAndDescriptionFromMimetypesFile\n"));
|
|
LOG(("Getting extensions and description from types file '%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aFilename).get()));
|
|
LOG(("Using type '%s/%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aMajorType).get(),
|
|
NS_LossyConvertUTF16toASCII(aMinorType).get()));
|
|
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIFileInputStream> mimeFile;
|
|
nsCOMPtr<nsILineInputStream> mimeTypes;
|
|
PRBool netscapeFormat;
|
|
nsAutoString buf;
|
|
nsCAutoString cBuf;
|
|
PRBool more = PR_FALSE;
|
|
rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
|
|
cBuf, &netscapeFormat, &more);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsAutoString extensions;
|
|
nsString entry;
|
|
entry.SetCapacity(100);
|
|
nsAString::const_iterator majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
descriptionStart, descriptionEnd;
|
|
|
|
do {
|
|
CopyASCIItoUTF16(cBuf, buf);
|
|
// read through, building up an entry. If we finish an entry, check for
|
|
// a match and return out of the loop if we match
|
|
|
|
// skip comments and empty lines
|
|
if (!buf.IsEmpty() && buf.First() != '#') {
|
|
entry.Append(buf);
|
|
if (entry.Last() == '\\') {
|
|
entry.Truncate(entry.Length() - 1);
|
|
entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
|
|
} else { // we have a full entry
|
|
LOG(("Current entry: '%s'\n",
|
|
NS_LossyConvertUTF16toASCII(entry).get()));
|
|
if (netscapeFormat) {
|
|
rv = ParseNetscapeMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// We sometimes get things like RealPlayer appending
|
|
// "normal" entries to "Netscape" .mime.types files. Try
|
|
// to handle that. Bug 106381.
|
|
LOG(("Bogus entry; trying 'normal' mode\n"));
|
|
rv = ParseNormalMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
}
|
|
} else {
|
|
rv = ParseNormalMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart,
|
|
minorTypeEnd, extensions,
|
|
descriptionStart, descriptionEnd);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// We sometimes get things like StarOffice prepending
|
|
// "normal" entries to "Netscape" .mime.types files. Try
|
|
// to handle that. Bug 136670.
|
|
LOG(("Bogus entry; trying 'Netscape' mode\n"));
|
|
rv = ParseNetscapeMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
}
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv) &&
|
|
Substring(majorTypeStart,
|
|
majorTypeEnd).Equals(aMajorType,
|
|
nsCaseInsensitiveStringComparator())&&
|
|
Substring(minorTypeStart,
|
|
minorTypeEnd).Equals(aMinorType,
|
|
nsCaseInsensitiveStringComparator())) {
|
|
// it's a match
|
|
aFileExtensions.Assign(extensions);
|
|
aDescription.Assign(Substring(descriptionStart, descriptionEnd));
|
|
mimeFile->Close();
|
|
return NS_OK;
|
|
} else if (NS_FAILED(rv)) {
|
|
LOG(("Failed to parse entry: %s\n", NS_LossyConvertUTF16toASCII(entry).get()));
|
|
}
|
|
|
|
entry.Truncate();
|
|
}
|
|
}
|
|
if (!more) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
// read the next line
|
|
rv = mimeTypes->ReadLine(cBuf, &more);
|
|
} while (NS_SUCCEEDED(rv));
|
|
|
|
mimeFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
/*
|
|
* This parses a Netscape format mime.types entry. There are two
|
|
* possible formats:
|
|
*
|
|
* type=foo/bar; options exts="baz" description="Some type"
|
|
*
|
|
* and
|
|
*
|
|
* type=foo/bar; options description="Some type" exts="baz"
|
|
*/
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::ParseNetscapeMIMETypesEntry(const nsAString& aEntry,
|
|
nsAString::const_iterator& aMajorTypeStart,
|
|
nsAString::const_iterator& aMajorTypeEnd,
|
|
nsAString::const_iterator& aMinorTypeStart,
|
|
nsAString::const_iterator& aMinorTypeEnd,
|
|
nsAString& aExtensions,
|
|
nsAString::const_iterator& aDescriptionStart,
|
|
nsAString::const_iterator& aDescriptionEnd) {
|
|
LOG(("-- ParseNetscapeMIMETypesEntry\n"));
|
|
NS_ASSERTION(!aEntry.IsEmpty(), "Empty Netscape MIME types entry being parsed.");
|
|
|
|
nsAString::const_iterator start_iter, end_iter, match_start, match_end;
|
|
|
|
aEntry.BeginReading(start_iter);
|
|
aEntry.EndReading(end_iter);
|
|
|
|
// skip trailing whitespace
|
|
do {
|
|
--end_iter;
|
|
} while (end_iter != start_iter &&
|
|
nsCRT::IsAsciiSpace(*end_iter));
|
|
// if we're pointing to a quote, don't advance -- we don't want to
|
|
// include the quote....
|
|
if (*end_iter != '"')
|
|
++end_iter;
|
|
match_start = start_iter;
|
|
match_end = end_iter;
|
|
|
|
// Get the major and minor types
|
|
// First the major type
|
|
if (! FindInReadable(NS_LITERAL_STRING("type="), match_start, match_end)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
match_start = match_end;
|
|
|
|
while (match_end != end_iter &&
|
|
*match_end != '/') {
|
|
++match_end;
|
|
}
|
|
if (match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aMajorTypeStart = match_start;
|
|
aMajorTypeEnd = match_end;
|
|
|
|
// now the minor type
|
|
if (++match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
match_start = match_end;
|
|
|
|
while (match_end != end_iter &&
|
|
!nsCRT::IsAsciiSpace(*match_end) &&
|
|
*match_end != ';') {
|
|
++match_end;
|
|
}
|
|
if (match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aMinorTypeStart = match_start;
|
|
aMinorTypeEnd = match_end;
|
|
|
|
// ignore everything up to the end of the mime type from here on
|
|
start_iter = match_end;
|
|
|
|
// get the extensions
|
|
match_start = match_end;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("exts="), match_start, match_end)) {
|
|
nsAString::const_iterator extStart, extEnd;
|
|
|
|
if (match_end == end_iter ||
|
|
(*match_end == '"' && ++match_end == end_iter)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
extStart = match_end;
|
|
match_start = extStart;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("desc=\""), match_start, match_end)) {
|
|
// exts= before desc=, so we have to find the actual end of the extensions
|
|
extEnd = match_start;
|
|
if (extEnd == extStart) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
do {
|
|
--extEnd;
|
|
} while (extEnd != extStart &&
|
|
nsCRT::IsAsciiSpace(*extEnd));
|
|
|
|
if (extEnd != extStart && *extEnd == '"') {
|
|
--extEnd;
|
|
}
|
|
} else {
|
|
// desc= before exts=, so we can use end_iter as the end of the extensions
|
|
extEnd = end_iter;
|
|
}
|
|
aExtensions = Substring(extStart, extEnd);
|
|
} else {
|
|
// no extensions
|
|
aExtensions.Truncate();
|
|
}
|
|
|
|
// get the description
|
|
match_start = start_iter;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("desc=\""), match_start, match_end)) {
|
|
aDescriptionStart = match_end;
|
|
match_start = aDescriptionStart;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("exts="), match_start, match_end)) {
|
|
// exts= after desc=, so have to find actual end of description
|
|
aDescriptionEnd = match_start;
|
|
if (aDescriptionEnd == aDescriptionStart) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
do {
|
|
--aDescriptionEnd;
|
|
} while (aDescriptionEnd != aDescriptionStart &&
|
|
nsCRT::IsAsciiSpace(*aDescriptionEnd));
|
|
|
|
if (aDescriptionStart != aDescriptionStart && *aDescriptionEnd == '"') {
|
|
--aDescriptionEnd;
|
|
}
|
|
} else {
|
|
// desc= after exts=, so use end_iter for the description end
|
|
aDescriptionEnd = end_iter;
|
|
}
|
|
} else {
|
|
// no description
|
|
aDescriptionStart = start_iter;
|
|
aDescriptionEnd = start_iter;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* This parses a normal format mime.types entry. The format is:
|
|
*
|
|
* major/minor ext1 ext2 ext3
|
|
*/
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::ParseNormalMIMETypesEntry(const nsAString& aEntry,
|
|
nsAString::const_iterator& aMajorTypeStart,
|
|
nsAString::const_iterator& aMajorTypeEnd,
|
|
nsAString::const_iterator& aMinorTypeStart,
|
|
nsAString::const_iterator& aMinorTypeEnd,
|
|
nsAString& aExtensions,
|
|
nsAString::const_iterator& aDescriptionStart,
|
|
nsAString::const_iterator& aDescriptionEnd) {
|
|
LOG(("-- ParseNormalMIMETypesEntry\n"));
|
|
NS_ASSERTION(!aEntry.IsEmpty(), "Empty Normal MIME types entry being parsed.");
|
|
|
|
nsAString::const_iterator start_iter, end_iter, iter;
|
|
|
|
aEntry.BeginReading(start_iter);
|
|
aEntry.EndReading(end_iter);
|
|
|
|
// no description
|
|
aDescriptionStart = start_iter;
|
|
aDescriptionEnd = start_iter;
|
|
|
|
// skip leading whitespace
|
|
while (start_iter != end_iter && nsCRT::IsAsciiSpace(*start_iter)) {
|
|
++start_iter;
|
|
}
|
|
if (start_iter == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
// skip trailing whitespace
|
|
do {
|
|
--end_iter;
|
|
} while (end_iter != start_iter && nsCRT::IsAsciiSpace(*end_iter));
|
|
|
|
++end_iter; // point to first whitespace char (or to end of string)
|
|
iter = start_iter;
|
|
|
|
// get the major type
|
|
if (! FindCharInReadable('/', iter, end_iter))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsAString::const_iterator equals_sign_iter(start_iter);
|
|
if (FindCharInReadable('=', equals_sign_iter, iter))
|
|
return NS_ERROR_FAILURE; // see bug 136670
|
|
|
|
aMajorTypeStart = start_iter;
|
|
aMajorTypeEnd = iter;
|
|
|
|
// get the minor type
|
|
if (++iter == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
start_iter = iter;
|
|
|
|
while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
aMinorTypeStart = start_iter;
|
|
aMinorTypeEnd = iter;
|
|
|
|
// get the extensions
|
|
aExtensions.Truncate();
|
|
while (iter != end_iter) {
|
|
while (iter != end_iter && nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
|
|
start_iter = iter;
|
|
while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
aExtensions.Append(Substring(start_iter, iter));
|
|
if (iter != end_iter) { // not the last extension
|
|
aExtensions.Append(PRUnichar(','));
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::LookUpHandlerAndDescription(const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsHashtable& aTypeOptions,
|
|
nsAString& aHandler,
|
|
nsAString& aDescription,
|
|
nsAString& aMozillaFlags) {
|
|
LOG(("-- LookUpHandlerAndDescription for type '%s/%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aMajorType).get(),
|
|
NS_LossyConvertUTF16toASCII(aMinorType).get()));
|
|
nsresult rv = NS_OK;
|
|
nsXPIDLString mailcapFileName;
|
|
|
|
rv = GetFileLocation("helpers.private_mailcap_file",
|
|
"PERSONAL_MAILCAP",
|
|
getter_Copies(mailcapFileName));
|
|
if (NS_SUCCEEDED(rv) && !mailcapFileName.IsEmpty()) {
|
|
rv = GetHandlerAndDescriptionFromMailcapFile(mailcapFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (NS_FAILED(rv) || aHandler.IsEmpty()) {
|
|
rv = GetFileLocation("helpers.global_mailcap_file",
|
|
"MAILCAP",
|
|
getter_Copies(mailcapFileName));
|
|
if (NS_SUCCEEDED(rv) && !mailcapFileName.IsEmpty()) {
|
|
rv = GetHandlerAndDescriptionFromMailcapFile(mailcapFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::GetHandlerAndDescriptionFromMailcapFile(const nsAString& aFilename,
|
|
const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsHashtable& aTypeOptions,
|
|
nsAString& aHandler,
|
|
nsAString& aDescription,
|
|
nsAString& aMozillaFlags) {
|
|
|
|
LOG(("-- GetHandlerAndDescriptionFromMailcapFile\n"));
|
|
LOG(("Getting handler and description from mailcap file '%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aFilename).get()));
|
|
LOG(("Using type '%s/%s'\n",
|
|
NS_LossyConvertUTF16toASCII(aMajorType).get(),
|
|
NS_LossyConvertUTF16toASCII(aMinorType).get()));
|
|
|
|
nsresult rv = NS_OK;
|
|
PRBool more = PR_FALSE;
|
|
|
|
nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = file->InitWithPath(aFilename);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIFileInputStream> mailcapFile(do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = mailcapFile->Init(file, -1, -1, PR_FALSE);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsILineInputStream> mailcap (do_QueryInterface(mailcapFile, &rv));
|
|
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Interface trouble in stream land!"));
|
|
return rv;
|
|
}
|
|
|
|
nsString entry, buffer;
|
|
nsCAutoString cBuffer;
|
|
entry.SetCapacity(128);
|
|
cBuffer.SetCapacity(80);
|
|
rv = mailcap->ReadLine(cBuffer, &more);
|
|
if (NS_FAILED(rv)) {
|
|
mailcapFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
do { // return on end-of-file in the loop
|
|
|
|
CopyASCIItoUTF16(cBuffer, buffer);
|
|
if (!buffer.IsEmpty() && buffer.First() != '#') {
|
|
entry.Append(buffer);
|
|
if (entry.Last() == '\\') { // entry continues on next line
|
|
entry.Truncate(entry.Length()-1);
|
|
entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
|
|
} else { // we have a full entry in entry. Check it for the type
|
|
LOG(("Current entry: '%s'\n",
|
|
NS_LossyConvertUTF16toASCII(entry).get()));
|
|
|
|
nsAString::const_iterator semicolon_iter,
|
|
start_iter, end_iter,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd;
|
|
entry.BeginReading(start_iter);
|
|
entry.EndReading(end_iter);
|
|
semicolon_iter = start_iter;
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
if (semicolon_iter != end_iter) { // we have something resembling a valid entry
|
|
rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd, semicolon_iter);
|
|
if (NS_SUCCEEDED(rv) &&
|
|
Substring(majorTypeStart,
|
|
majorTypeEnd).Equals(aMajorType,
|
|
nsCaseInsensitiveStringComparator()) &&
|
|
Substring(minorTypeStart,
|
|
minorTypeEnd).Equals(aMinorType,
|
|
nsCaseInsensitiveStringComparator())) { // we have a match
|
|
PRBool match = PR_TRUE;
|
|
++semicolon_iter; // point at the first char past the semicolon
|
|
start_iter = semicolon_iter; // handler string starts here
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
while (start_iter != semicolon_iter &&
|
|
nsCRT::IsAsciiSpace(*start_iter)) {
|
|
++start_iter;
|
|
}
|
|
|
|
LOG(("The real handler is: '%s'\n",
|
|
NS_LossyConvertUTF16toASCII(Substring(start_iter,
|
|
semicolon_iter)).get()));
|
|
|
|
// XXX ugly hack. Just grab the executable name
|
|
nsAString::const_iterator end_handler_iter = semicolon_iter;
|
|
nsAString::const_iterator end_executable_iter = start_iter;
|
|
while (end_executable_iter != end_handler_iter &&
|
|
!nsCRT::IsAsciiSpace(*end_executable_iter)) {
|
|
++end_executable_iter;
|
|
}
|
|
// XXX End ugly hack
|
|
|
|
aHandler = Substring(start_iter, end_executable_iter);
|
|
|
|
nsAString::const_iterator start_option_iter, end_optionname_iter, equal_sign_iter;
|
|
PRBool equalSignFound;
|
|
while (match &&
|
|
semicolon_iter != end_iter &&
|
|
++semicolon_iter != end_iter) { // there are options left and we still match
|
|
start_option_iter = semicolon_iter;
|
|
// skip over leading whitespace
|
|
while (start_option_iter != end_iter &&
|
|
nsCRT::IsAsciiSpace(*start_option_iter)) {
|
|
++start_option_iter;
|
|
}
|
|
if (start_option_iter == end_iter) { // nothing actually here
|
|
break;
|
|
}
|
|
semicolon_iter = start_option_iter;
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
equal_sign_iter = start_option_iter;
|
|
equalSignFound = PR_FALSE;
|
|
while (equal_sign_iter != semicolon_iter && !equalSignFound) {
|
|
switch(*equal_sign_iter) {
|
|
case '\\':
|
|
equal_sign_iter.advance(2);
|
|
break;
|
|
case '=':
|
|
equalSignFound = PR_TRUE;
|
|
break;
|
|
default:
|
|
++equal_sign_iter;
|
|
break;
|
|
}
|
|
}
|
|
end_optionname_iter = start_option_iter;
|
|
// find end of option name
|
|
while (end_optionname_iter != equal_sign_iter &&
|
|
!nsCRT::IsAsciiSpace(*end_optionname_iter)) {
|
|
++end_optionname_iter;
|
|
}
|
|
nsDependentSubstring optionName(start_option_iter, end_optionname_iter);
|
|
if (equalSignFound) {
|
|
// This is an option that has a name and value
|
|
if (optionName.EqualsLiteral("description")) {
|
|
aDescription = Substring(++equal_sign_iter, semicolon_iter);
|
|
} else if (optionName.EqualsLiteral("x-mozilla-flags")) {
|
|
aMozillaFlags = Substring(++equal_sign_iter, semicolon_iter);
|
|
} else if (optionName.EqualsLiteral("test")) {
|
|
nsCAutoString testCommand;
|
|
rv = UnescapeCommand(Substring(++equal_sign_iter, semicolon_iter),
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
testCommand);
|
|
LOG(("Running Test: %s\n", testCommand.get()));
|
|
// XXX this should not use system(), since that can block the UI thread!
|
|
if (NS_SUCCEEDED(rv) && system(testCommand.get()) != 0) {
|
|
match = PR_FALSE;
|
|
}
|
|
}
|
|
} else {
|
|
// This is an option that just has a name but no value (eg "copiousoutput")
|
|
}
|
|
}
|
|
|
|
|
|
if (match) { // we did not fail any test clauses; all is good
|
|
// get out of here
|
|
mailcapFile->Close();
|
|
return NS_OK;
|
|
} else { // pretend that this match never happened
|
|
aDescription.Truncate();
|
|
aMozillaFlags.Truncate();
|
|
aHandler.Truncate();
|
|
}
|
|
}
|
|
}
|
|
// zero out the entry for the next cycle
|
|
entry.Truncate();
|
|
}
|
|
}
|
|
if (!more) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
rv = mailcap->ReadLine(cBuffer, &more);
|
|
} while (NS_SUCCEEDED(rv));
|
|
mailcapFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
nsresult nsOSHelperAppService::OSProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists)
|
|
{
|
|
LOG(("-- nsOSHelperAppService::OSProtocolHandlerExists for '%s'\n",
|
|
aProtocolScheme));
|
|
*aHandlerExists = PR_FALSE;
|
|
|
|
/* if applications.protocol is in prefs, then we have an external protocol handler */
|
|
nsresult rv;
|
|
nsCAutoString prefName;
|
|
prefName = NS_LITERAL_CSTRING("applications.") + nsDependentCString(aProtocolScheme);
|
|
|
|
nsCOMPtr<nsIPrefService> thePrefsService(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIPrefBranch> prefBranch;
|
|
rv = thePrefsService->GetBranch(prefName.get(), getter_AddRefs(prefBranch));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsXPIDLCString prefString;
|
|
rv = prefBranch->GetCharPref(prefName.get(), getter_Copies(prefString));
|
|
*aHandlerExists = NS_SUCCEEDED(rv) && !prefString.IsEmpty();
|
|
if (*aHandlerExists) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
/* Check the OS/2 INI for the protocol */
|
|
char szAppFromINI[CCHMAXPATH];
|
|
char szParamsFromINI[MAXINIPARAMLENGTH];
|
|
rv = GetApplicationAndParametersFromINI(nsDependentCString(aProtocolScheme),
|
|
szAppFromINI, sizeof(szAppFromINI),
|
|
szParamsFromINI, sizeof(szParamsFromINI));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
*aHandlerExists = PR_TRUE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<nsMIMEInfoOS2>
|
|
nsOSHelperAppService::GetFromExtension(const nsCString& aFileExt) {
|
|
// if the extension is empty, return immediately
|
|
if (aFileExt.IsEmpty())
|
|
return nsnull;
|
|
|
|
LOG(("Here we do an extension lookup for '%s'\n", aFileExt.get()));
|
|
|
|
nsresult rv;
|
|
|
|
nsAutoString majorType, minorType,
|
|
mime_types_description, mailcap_description,
|
|
handler, mozillaFlags;
|
|
|
|
rv = LookUpTypeAndDescription(NS_ConvertUTF8toUTF16(aFileExt),
|
|
majorType,
|
|
minorType,
|
|
mime_types_description);
|
|
if (NS_FAILED(rv))
|
|
return nsnull;
|
|
|
|
NS_LossyConvertUTF16toASCII asciiMajorType(majorType);
|
|
NS_LossyConvertUTF16toASCII asciiMinorType(minorType);
|
|
|
|
LOG(("Type/Description results: majorType='%s', minorType='%s', description='%s'\n",
|
|
asciiMajorType.get(),
|
|
asciiMinorType.get(),
|
|
NS_LossyConvertUTF16toASCII(mime_types_description).get()));
|
|
|
|
if (majorType.IsEmpty() && minorType.IsEmpty()) {
|
|
// we didn't get a type mapping, so we can't do anything useful
|
|
return nsnull;
|
|
}
|
|
|
|
nsCAutoString mimeType(asciiMajorType + NS_LITERAL_CSTRING("/") + asciiMinorType);
|
|
nsMIMEInfoOS2* mimeInfo = new nsMIMEInfoOS2(mimeType);
|
|
if (!mimeInfo)
|
|
return nsnull;
|
|
NS_ADDREF(mimeInfo);
|
|
|
|
mimeInfo->AppendExtension(aFileExt);
|
|
nsHashtable typeOptions; // empty hash table
|
|
// The mailcap lookup is two-pass to handle the case of mailcap files
|
|
// that have something like:
|
|
//
|
|
// text/*; emacs %s
|
|
// text/rtf; soffice %s
|
|
//
|
|
// in that order. We want to pick up "soffice" for text/rtf in such cases
|
|
rv = LookUpHandlerAndDescription(majorType, minorType, typeOptions,
|
|
handler, mailcap_description,
|
|
mozillaFlags);
|
|
if (NS_FAILED(rv)) {
|
|
// maybe we have an entry for "majorType/*"?
|
|
rv = LookUpHandlerAndDescription(majorType, NS_LITERAL_STRING("*"),
|
|
typeOptions, handler, mailcap_description,
|
|
mozillaFlags);
|
|
}
|
|
LOG(("Handler/Description results: handler='%s', description='%s', mozillaFlags='%s'\n",
|
|
NS_LossyConvertUTF16toASCII(handler).get(),
|
|
NS_LossyConvertUTF16toASCII(mailcap_description).get(),
|
|
NS_LossyConvertUTF16toASCII(mozillaFlags).get()));
|
|
mailcap_description.Trim(" \t\"");
|
|
mozillaFlags.Trim(" \t");
|
|
if (!mime_types_description.IsEmpty()) {
|
|
mimeInfo->SetDescription(mime_types_description);
|
|
} else {
|
|
mimeInfo->SetDescription(mailcap_description);
|
|
}
|
|
if (NS_SUCCEEDED(rv) && !handler.IsEmpty()) {
|
|
nsCOMPtr<nsIFile> handlerFile;
|
|
rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mimeInfo->SetDefaultApplication(handlerFile);
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
|
|
mimeInfo->SetDefaultDescription(handler);
|
|
}
|
|
} else {
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
|
|
}
|
|
|
|
return mimeInfo;
|
|
}
|
|
|
|
already_AddRefed<nsMIMEInfoOS2>
|
|
nsOSHelperAppService::GetFromType(const nsCString& aMIMEType) {
|
|
// if the extension is empty, return immediately
|
|
if (aMIMEType.IsEmpty())
|
|
return nsnull;
|
|
|
|
LOG(("Here we do a mimetype lookup for '%s'\n", aMIMEType.get()));
|
|
nsresult rv;
|
|
nsAutoString extensions,
|
|
mime_types_description, mailcap_description,
|
|
handler, mozillaFlags;
|
|
|
|
nsHashtable typeOptions;
|
|
|
|
// extract the major and minor types
|
|
NS_ConvertASCIItoUTF16 mimeType(aMIMEType);
|
|
nsAString::const_iterator start_iter, end_iter,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd;
|
|
|
|
mimeType.BeginReading(start_iter);
|
|
mimeType.EndReading(end_iter);
|
|
|
|
// XXX FIXME: add typeOptions parsing in here
|
|
rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd, end_iter);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsDependentSubstring majorType(majorTypeStart, majorTypeEnd);
|
|
nsDependentSubstring minorType(minorTypeStart, minorTypeEnd);
|
|
// The mailcap lookup is two-pass to handle the case of mailcap files
|
|
// that have something like:
|
|
//
|
|
// text/*; emacs %s
|
|
// text/rtf; soffice %s
|
|
//
|
|
// in that order. We want to pick up "soffice" for text/rtf in such cases
|
|
rv = LookUpHandlerAndDescription(majorType,
|
|
minorType,
|
|
typeOptions,
|
|
handler,
|
|
mailcap_description,
|
|
mozillaFlags);
|
|
if (NS_FAILED(rv)) {
|
|
// maybe we have an entry for "majorType/*"?
|
|
rv = LookUpHandlerAndDescription(majorType,
|
|
NS_LITERAL_STRING("*"),
|
|
typeOptions,
|
|
handler,
|
|
mailcap_description,
|
|
mozillaFlags);
|
|
}
|
|
LOG(("Handler/Description results: handler='%s', description='%s', mozillaFlags='%s'\n",
|
|
NS_LossyConvertUTF16toASCII(handler).get(),
|
|
NS_LossyConvertUTF16toASCII(mailcap_description).get(),
|
|
NS_LossyConvertUTF16toASCII(mozillaFlags).get()));
|
|
|
|
if (handler.IsEmpty()) {
|
|
// we have no useful info....
|
|
return nsnull;
|
|
}
|
|
|
|
mailcap_description.Trim(" \t\"");
|
|
mozillaFlags.Trim(" \t");
|
|
LookUpExtensionsAndDescription(majorType,
|
|
minorType,
|
|
extensions,
|
|
mime_types_description);
|
|
|
|
nsMIMEInfoOS2* mimeInfo = new nsMIMEInfoOS2(aMIMEType);
|
|
if (!mimeInfo)
|
|
return nsnull;
|
|
NS_ADDREF(mimeInfo);
|
|
|
|
mimeInfo->SetFileExtensions(NS_ConvertUTF16toUTF8(extensions));
|
|
if (! mime_types_description.IsEmpty()) {
|
|
mimeInfo->SetDescription(mime_types_description);
|
|
} else {
|
|
mimeInfo->SetDescription(mailcap_description);
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> handlerFile;
|
|
rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mimeInfo->SetDefaultApplication(handlerFile);
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
|
|
mimeInfo->SetDefaultDescription(handler);
|
|
} else {
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
|
|
}
|
|
|
|
return mimeInfo;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
// returns a localized string from unknownContentType.properties
|
|
|
|
static nsresult
|
|
GetNLSString(const PRUnichar *aKey, nsAString& result)
|
|
{
|
|
nsCOMPtr<nsIStringBundleService> bundleSvc =
|
|
mozilla::services::GetStringBundleService();
|
|
if (!bundleSvc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIStringBundle> bundle;
|
|
nsresult rv = bundleSvc->CreateBundle(
|
|
"chrome://mozapps/locale/downloads/unknownContentType.properties",
|
|
getter_AddRefs(bundle));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsXPIDLString string;
|
|
rv = bundle->GetStringFromName(aKey, getter_Copies(string));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
result.Assign(string);
|
|
|
|
return rv;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
// returns the handle of the WPS object associated with a file extension;
|
|
// if RWS isn't being used or there's no association, returns zero;
|
|
// also constructs a description of the handler based on available info
|
|
|
|
static PRUint32
|
|
WpsGetDefaultHandler(const char *aFileExt, nsAString& aDescription)
|
|
{
|
|
aDescription.Truncate();
|
|
|
|
if (sUseRws) {
|
|
nsCOMPtr<nsIRwsService> rwsSvc(do_GetService("@mozilla.org/rwsos2;1"));
|
|
if (!rwsSvc)
|
|
sUseRws = PR_FALSE;
|
|
else {
|
|
PRUint32 handle;
|
|
// the handle may be zero if the WPS class provides the default handler
|
|
if (NS_SUCCEEDED(rwsSvc->HandlerFromExtension(aFileExt, &handle, aDescription)))
|
|
return handle;
|
|
}
|
|
}
|
|
|
|
// no RWS or RWS failed to return at least a description
|
|
if (NS_FAILED(GetNLSString(NS_LITERAL_STRING("wpsDefaultOS2").get(),
|
|
aDescription)))
|
|
aDescription.Assign(NS_LITERAL_STRING("WPS default"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
// this constructs the system-default entry when neither mailcap nor
|
|
// mime.types provided any info
|
|
|
|
static void
|
|
WpsMimeInfoFromExtension(const char *aFileExt, nsMIMEInfoOS2 *aMI)
|
|
{
|
|
// this identifies whether the mimetype is a bogus
|
|
// "application/octet-stream" generated when no match
|
|
// could be found for this extension
|
|
PRBool exists;
|
|
aMI->ExtensionExists(nsDependentCString(aFileExt), &exists);
|
|
|
|
// get the default app's description and WPS handle (if any)
|
|
nsAutoString ustr;
|
|
PRUint32 handle = WpsGetDefaultHandler(aFileExt, ustr);
|
|
aMI->SetDefaultDescription(ustr);
|
|
aMI->SetDefaultAppHandle(handle);
|
|
|
|
// if the mimeinfo is bogus, change the mimetype & extensions list
|
|
if (!exists) {
|
|
nsCAutoString extLower;
|
|
nsCAutoString cstr;
|
|
ToLowerCase(nsDependentCString(aFileExt), extLower);
|
|
cstr.Assign(NS_LITERAL_CSTRING("application/x-") + extLower);
|
|
aMI->SetMIMEType(cstr);
|
|
aMI->SetFileExtensions(extLower);
|
|
}
|
|
|
|
// if the mimetype is valid, perhaps we can supply a description;
|
|
// if it's bogus, replace the description
|
|
if (exists)
|
|
aMI->GetDescription(ustr);
|
|
else
|
|
ustr.Truncate();
|
|
|
|
if (ustr.IsEmpty()) {
|
|
nsCAutoString extUpper;
|
|
ToUpperCase(nsDependentCString(aFileExt), extUpper);
|
|
CopyUTF8toUTF16(extUpper, ustr);
|
|
|
|
nsAutoString fileType;
|
|
if (NS_FAILED(GetNLSString(NS_LITERAL_STRING("fileType").get(), fileType)))
|
|
ustr.Assign(NS_LITERAL_STRING("%S file"));
|
|
int pos = -1;
|
|
if ((pos = fileType.Find("%S")) > -1)
|
|
fileType.Replace(pos, 2, ustr);
|
|
aMI->SetDescription(fileType);
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
// this is an override of nsExternalHelperAppService's method;
|
|
// after the parent's method has looked for a handler, add
|
|
// an entry for the WPS's handler if there's room and one exists;
|
|
// it will never replace entries from mailcap or mimetypes.rdf
|
|
|
|
NS_IMETHODIMP
|
|
nsOSHelperAppService::GetFromTypeAndExtension(const nsACString& aMIMEType,
|
|
const nsACString& aFileExt,
|
|
nsIMIMEInfo **_retval)
|
|
{
|
|
// let the existing code do its thing
|
|
nsresult rv = nsExternalHelperAppService::GetFromTypeAndExtension(
|
|
aMIMEType, aFileExt, _retval);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// this is needed for Get/SetDefaultApplication()
|
|
nsMIMEInfoOS2 *mi = static_cast<nsMIMEInfoOS2*>(*_retval);
|
|
|
|
// do lookups using the original extension if present;
|
|
// otherwise use the extension derived from the mimetype
|
|
nsCAutoString ext;
|
|
if (!aFileExt.IsEmpty())
|
|
ext.Assign(aFileExt);
|
|
else {
|
|
mi->GetPrimaryExtension(ext);
|
|
if (ext.IsEmpty())
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> defApp;
|
|
nsCOMPtr<nsIHandlerApp> prefApp;
|
|
mi->GetDefaultApplication(getter_AddRefs(defApp));
|
|
mi->GetPreferredApplicationHandler(getter_AddRefs(prefApp));
|
|
nsCOMPtr<nsILocalHandlerApp> locPrefApp = do_QueryInterface(prefApp, &rv);
|
|
|
|
// if neither mailcap nor mimetypes.rdf had an entry,
|
|
// create a default entry using the WPS handler
|
|
if (!defApp && !locPrefApp) {
|
|
WpsMimeInfoFromExtension(ext.get(), mi);
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool gotPromoted = PR_FALSE;
|
|
|
|
// both mailcap & mimetypes.rdf have an entry; if they're
|
|
// different, exit; otherwise, clear the default entry
|
|
if (defApp && locPrefApp) {
|
|
PRBool sameFile;
|
|
nsCOMPtr<nsIFile> app;
|
|
rv = locPrefApp->GetExecutable(getter_AddRefs(app));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
defApp->Equals(app, &sameFile);
|
|
if (!sameFile)
|
|
return NS_OK;
|
|
|
|
defApp = 0;
|
|
mi->SetDefaultApplication(0);
|
|
mi->SetDefaultDescription(EmptyString());
|
|
gotPromoted = PR_TRUE;
|
|
}
|
|
|
|
nsAutoString description;
|
|
|
|
// mailcap has an entry but mimetypes.rdf doesn't;
|
|
// promote mailcap's entry to preferred
|
|
if (defApp && !locPrefApp) {
|
|
mi->GetDefaultDescription(description);
|
|
nsLocalHandlerApp *handlerApp(new nsLocalHandlerApp(description, defApp));
|
|
mi->SetPreferredApplicationHandler(handlerApp);
|
|
gotPromoted = PR_TRUE;
|
|
}
|
|
|
|
// if the former default app was promoted to preferred app,
|
|
// update preferred action if appropriate
|
|
if (gotPromoted) {
|
|
nsHandlerInfoAction action;
|
|
mi->GetPreferredAction(&action);
|
|
if (action == nsIMIMEInfo::useSystemDefault) {
|
|
mi->SetPreferredAction(nsIMIMEInfo::useHelperApp);
|
|
mi->SetPreferredAction(nsIMIMEInfo::useHelperApp);
|
|
}
|
|
}
|
|
|
|
// use the WPS default as the system default handler
|
|
PRUint32 handle = WpsGetDefaultHandler(ext.get(), description);
|
|
mi->SetDefaultDescription(description);
|
|
mi->SetDefaultApplication(0);
|
|
mi->SetDefaultAppHandle(handle);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
already_AddRefed<nsIMIMEInfo>
|
|
nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aType,
|
|
const nsACString& aFileExt,
|
|
PRBool *aFound) {
|
|
*aFound = PR_TRUE;
|
|
nsMIMEInfoOS2* retval = GetFromType(PromiseFlatCString(aType)).get();
|
|
PRBool hasDefault = PR_FALSE;
|
|
if (retval)
|
|
retval->GetHasDefaultHandler(&hasDefault);
|
|
if (!retval || !hasDefault) {
|
|
nsRefPtr<nsMIMEInfoOS2> miByExt = GetFromExtension(PromiseFlatCString(aFileExt));
|
|
// If we had no extension match, but a type match, use that
|
|
if (!miByExt && retval)
|
|
return retval;
|
|
// If we had an extension match but no type match, set the mimetype and use
|
|
// it
|
|
if (!retval && miByExt) {
|
|
if (!aType.IsEmpty())
|
|
miByExt->SetMIMEType(aType);
|
|
miByExt.swap(retval);
|
|
|
|
return retval;
|
|
}
|
|
// If we got nothing, make a new mimeinfo
|
|
if (!retval) {
|
|
*aFound = PR_FALSE;
|
|
retval = new nsMIMEInfoOS2(aType);
|
|
if (retval) {
|
|
NS_ADDREF(retval);
|
|
if (!aFileExt.IsEmpty())
|
|
retval->AppendExtension(aFileExt);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
// Copy the attributes of retval onto miByExt, to return it
|
|
retval->CopyBasicDataTo(miByExt);
|
|
|
|
miByExt.swap(retval);
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsOSHelperAppService::GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
|
|
PRBool *found,
|
|
nsIHandlerInfo **_retval)
|
|
{
|
|
NS_ASSERTION(!aScheme.IsEmpty(), "No scheme was specified!");
|
|
|
|
nsresult rv = OSProtocolHandlerExists(nsPromiseFlatCString(aScheme).get(),
|
|
found);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsMIMEInfoOS2 *handlerInfo =
|
|
new nsMIMEInfoOS2(aScheme, nsMIMEInfoBase::eProtocolInfo);
|
|
NS_ENSURE_TRUE(handlerInfo, NS_ERROR_OUT_OF_MEMORY);
|
|
NS_ADDREF(*_retval = handlerInfo);
|
|
|
|
if (!*found) {
|
|
// Code that calls this requires an object regardless if the OS has
|
|
// something for us, so we return the empty object.
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoString desc;
|
|
GetApplicationDescription(aScheme, desc);
|
|
handlerInfo->SetDefaultDescription(desc);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsOSHelperAppService::GetApplicationDescription(const nsACString& aScheme, nsAString& _retval)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPrefService> thePrefsService(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsCAutoString prefName = NS_LITERAL_CSTRING("applications.") + aScheme;
|
|
nsCOMPtr<nsIPrefBranch> prefBranch;
|
|
nsCAutoString applicationName;
|
|
|
|
rv = thePrefsService->GetBranch(prefName.get(), getter_AddRefs(prefBranch));
|
|
if (NS_FAILED(rv)) {
|
|
char szAppFromINI[CCHMAXPATH];
|
|
char szParamsFromINI[MAXINIPARAMLENGTH];
|
|
/* did OS2.INI contain application? */
|
|
rv = GetApplicationAndParametersFromINI(aScheme,
|
|
szAppFromINI, sizeof(szAppFromINI),
|
|
szParamsFromINI, sizeof(szParamsFromINI));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
applicationName = szAppFromINI;
|
|
} else {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
} else {
|
|
nsXPIDLCString prefString;
|
|
rv = prefBranch->GetCharPref(prefName.get(), getter_Copies(prefString));
|
|
if (NS_SUCCEEDED(rv) && !prefString.IsEmpty()) {
|
|
applicationName.Append(prefString);
|
|
}
|
|
}
|
|
|
|
|
|
nsCOMPtr<nsILocalFile> application;
|
|
rv = NS_NewNativeLocalFile(nsDependentCString(applicationName.get()),
|
|
PR_FALSE,
|
|
getter_AddRefs(application));
|
|
if (NS_FAILED(rv)) {
|
|
char szAppPath[CCHMAXPATH];
|
|
APIRET rc = DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_ENVIRONMENT,
|
|
"PATH",
|
|
applicationName.get(),
|
|
szAppPath,
|
|
sizeof(szAppPath));
|
|
/* if that worked, we can use the full pathname */
|
|
if (rc == NO_ERROR) {
|
|
_retval.Assign(NS_ConvertUTF8toUTF16(nsDependentCString(szAppPath)));
|
|
return NS_OK;
|
|
}
|
|
}
|
|
/* if the full path is given or not, use what we have */
|
|
_retval.Assign(NS_ConvertUTF8toUTF16(applicationName));
|
|
return NS_OK;
|
|
}
|
|
|
|
// Check OS/2 INI for application and parameters for the protocol
|
|
// return NS_OK, if application exists for protocol in INI and is not empty
|
|
nsresult GetApplicationAndParametersFromINI(const nsACString& aProtocol,
|
|
char* app, ULONG appLength,
|
|
char* param, ULONG paramLength)
|
|
{
|
|
/* initialize app to '\0' for later check */
|
|
*app = '\0';
|
|
|
|
/* http or https */
|
|
if ((aProtocol == NS_LITERAL_CSTRING("http")) ||
|
|
(aProtocol == NS_LITERAL_CSTRING("https"))) {
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultBrowserExe",
|
|
"",
|
|
app,
|
|
appLength);
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultParameters",
|
|
"",
|
|
param,
|
|
paramLength);
|
|
}
|
|
/* mailto: */
|
|
else if (aProtocol == NS_LITERAL_CSTRING("mailto")) {
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultMailExe",
|
|
"",
|
|
app,
|
|
appLength);
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultMailParameters",
|
|
"",
|
|
param,
|
|
paramLength);
|
|
}
|
|
/* ftp */
|
|
else if (aProtocol == NS_LITERAL_CSTRING("ftp")) {
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultFTPExe",
|
|
"",
|
|
app,
|
|
appLength);
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultFTPParameters",
|
|
"",
|
|
param,
|
|
paramLength);
|
|
}
|
|
/* news: or snews: */
|
|
else if ((aProtocol == NS_LITERAL_CSTRING("news")) ||
|
|
(aProtocol == NS_LITERAL_CSTRING("snews"))) {
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultNewsExe",
|
|
"",
|
|
app,
|
|
appLength);
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultNewsParameters",
|
|
"",
|
|
param,
|
|
paramLength);
|
|
}
|
|
/* irc: */
|
|
else if (aProtocol == NS_LITERAL_CSTRING("irc")) {
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultIRCExe",
|
|
"",
|
|
app,
|
|
appLength);
|
|
PrfQueryProfileString(HINI_USER,
|
|
"WPURLDEFAULTSETTINGS",
|
|
"DefaultIRCParameters",
|
|
"",
|
|
param,
|
|
paramLength);
|
|
}
|
|
else {
|
|
#ifdef DEBUG
|
|
// output by hand instead of NS_WARNING() to easily add the protocol
|
|
fprintf(stderr, "GetApplicationAndParametersFromINI(): unsupported protocol"
|
|
" scheme \"%s\"\n", nsPromiseFlatCString(aProtocol).get());
|
|
#endif
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
/* application string in INI was empty */
|
|
if (app[0] == '\0')
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|