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lightning-sunbird  0.9+nobinonly
nsMimeHeaders.cpp
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00001 /* -*- Mode: C++; tab-width: 2; 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
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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 
00039 #include "msgCore.h"    // precompiled header...
00040 #include "nsMimeHeaders.h"
00041 #include "prmem.h"
00042 
00043 nsMimeHeaders::nsMimeHeaders() :
00044        mHeaders(nsnull)
00045 {
00046 }
00047 
00048 nsMimeHeaders::~nsMimeHeaders()
00049 {
00050        if (mHeaders)
00051               MimeHeaders_free(mHeaders);
00052 }
00053 
00054 NS_IMPL_ISUPPORTS1(nsMimeHeaders, nsIMimeHeaders)
00055 
00056 nsresult nsMimeHeaders::Initialize(const char * aAllHeaders, PRInt32 allHeadersSize)
00057 {
00058        /* just in case we want to reuse the object, cleanup...*/
00059        if (mHeaders)
00060               MimeHeaders_free(mHeaders);
00061 
00062        mHeaders = MimeHeaders_new();
00063        if (mHeaders)
00064               return MimeHeaders_parse_line(aAllHeaders, allHeadersSize, mHeaders);
00065        
00066        return NS_ERROR_OUT_OF_MEMORY;
00067 }
00068 
00069 nsresult nsMimeHeaders::ExtractHeader(const char *headerName, PRBool getAllOfThem, char **_retval)
00070 {
00071        if (! mHeaders)
00072               return NS_ERROR_NOT_INITIALIZED;
00073        
00074        *_retval = MimeHeaders_get(mHeaders, headerName, PR_FALSE, getAllOfThem);
00075        return NS_OK;
00076 }
00077 
00078 NS_IMETHODIMP nsMimeHeaders::GetAllHeaders(char **_retval)
00079 {
00080     if (!mHeaders) 
00081         return NS_ERROR_NOT_INITIALIZED;
00082 
00083     if (!mHeaders->all_headers) 
00084         return NS_ERROR_NULL_POINTER;
00085 
00086     char *allHeaders = (char *) PR_MALLOC(mHeaders->all_headers_fp + 1);
00087     NS_ASSERTION (allHeaders, "nsMimeHeaders - out of memory");
00088     if (!allHeaders) 
00089         return NS_ERROR_OUT_OF_MEMORY;
00090 
00091     memcpy(allHeaders, mHeaders->all_headers, mHeaders->all_headers_fp);
00092     *(allHeaders + mHeaders->all_headers_fp) = 0;
00093     *_retval = allHeaders;
00094 
00095     return NS_OK;
00096 }