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lightning-sunbird  0.9+nobinonly
nsMimeContentTypeHandler.cpp
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00001 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Pierre Phaneuf <pp@ludusdesign.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 #include <stdio.h>
00039 #include "nscore.h"
00040 #include "plstr.h"
00041 #include "prtypes.h"
00042 //#include "mimecth.h"
00043 #include "nsMimeContentTypeHandler.h"
00044 #include "nsCRT.h"
00045 
00046 /* 
00047  * The following macros actually implement addref, release and 
00048  * query interface for our component. 
00049  */
00050 NS_IMPL_ISUPPORTS1(nsMimeContentTypeHandler, nsIMimeContentTypeHandler)
00051 
00052 /*
00053  * nsIMimeEmitter definitions....
00054  */
00055 nsMimeContentTypeHandler::nsMimeContentTypeHandler(const char *aMimeType,
00056                                                    MCTHCreateCTHClass callback)
00057 {
00058   NS_ASSERTION(aMimeType, "nsMimeContentTypeHandler should be initialized with non-null mime type");
00059   NS_ASSERTION(callback, "nsMimeContentTypeHandler should be initialized with non-null callback");
00060   mimeType = PL_strdup(aMimeType);
00061   realCreateContentTypeHandlerClass = callback;
00062 }
00063 
00064 nsMimeContentTypeHandler::~nsMimeContentTypeHandler(void)
00065 {
00066   if (mimeType) {
00067     free(mimeType);
00068     mimeType = 0;
00069   }
00070   realCreateContentTypeHandlerClass = 0;
00071 }
00072 
00073 // Get the content type if necessary
00074 nsresult
00075 nsMimeContentTypeHandler::GetContentType(char **contentType)
00076 {
00077   *contentType = PL_strdup(mimeType);
00078   return NS_OK;
00079 }
00080 
00081 // Set the output stream for processed data.
00082 nsresult
00083 nsMimeContentTypeHandler::CreateContentTypeHandlerClass(const char *content_type, 
00084                                                 contentTypeHandlerInitStruct *initStruct, 
00085                                                 MimeObjectClass **objClass)
00086 {
00087   *objClass = realCreateContentTypeHandlerClass(content_type, initStruct);
00088   if (!*objClass)
00089     return NS_ERROR_OUT_OF_MEMORY; /* we couldn't allocate the object */
00090   else
00091     return NS_OK;
00092 }
00093 
00094 
00095