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165 lines
8.7 KiB
C++
165 lines
8.7 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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* 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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#ifndef nsOSHelperAppService_h__
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#define nsOSHelperAppService_h__
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// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
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// platform. It contains platform specific code for finding helper applications for a given mime type
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// in addition to launching those applications.
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#include "nsExternalHelperAppService.h"
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#include "nsCExternalHandlerService.h"
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#include "nsMIMEInfoImpl.h"
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#include "nsCOMPtr.h"
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#define LOG(args) PR_LOG(mLog, PR_LOG_DEBUG, args)
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#define LOG_ENABLED() PR_LOG_TEST(mLog, PR_LOG_DEBUG)
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class nsHashtable;
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class nsILineInputStream;
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class nsMIMEInfoOS2;
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class nsOSHelperAppService : public nsExternalHelperAppService
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{
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public:
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nsOSHelperAppService();
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virtual ~nsOSHelperAppService();
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// method overrides for mime.types and mime.info look up steps
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NS_IMETHOD GetFromTypeAndExtension(const nsACString& aMIMEType,
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const nsACString& aFileExt,
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nsIMIMEInfo **_retval);
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already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMimeType,
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const nsACString& aFileExt,
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bool *aFound);
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NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
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bool *found,
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nsIHandlerInfo **_retval);
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// override nsIExternalProtocolService methods
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NS_IMETHODIMP GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
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nsresult OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists);
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protected:
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already_AddRefed<nsMIMEInfoOS2> GetFromType(const nsCString& aMimeType);
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already_AddRefed<nsMIMEInfoOS2> GetFromExtension(const nsCString& aFileExt);
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private:
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// Helper methods which have to access static members
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static nsresult 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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static nsresult GetFileLocation(const char* aPrefName,
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const char* aEnvVarName,
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nsAString& aFileLocation);
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static nsresult 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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static nsresult 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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bool * aNetscapeFormat,
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bool * aMore);
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static nsresult 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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static nsresult LookUpExtensionsAndDescription(const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsAString& aFileExtensions,
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nsAString& aDescription);
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static nsresult GetExtensionsAndDescriptionFromMimetypesFile(const nsAString& aFilename,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsAString& aFileExtensions,
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nsAString& aDescription);
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static nsresult ParseNetscapeMIMETypesEntry(const nsAString& aEntry,
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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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nsAString& aExtensions,
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nsAString::const_iterator& aDescriptionStart,
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nsAString::const_iterator& aDescriptionEnd);
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static nsresult ParseNormalMIMETypesEntry(const nsAString& aEntry,
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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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nsAString& aExtensions,
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nsAString::const_iterator& aDescriptionStart,
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nsAString::const_iterator& aDescriptionEnd);
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static nsresult LookUpHandlerAndDescription(const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags);
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static nsresult GetHandlerAndDescriptionFromMailcapFile(const nsAString& aFilename,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags);
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};
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#define MAXINIPARAMLENGTH 1024 // max length of OS/2 INI key for application parameters
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// helper function for access to OS2.INI
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nsresult GetApplicationAndParametersFromINI(const nsACString& aProtocol,
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char* app, unsigned long appLength,
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char* param, unsigned long paramLength);
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#endif // nsOSHelperAppService_h__
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