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lightning-sunbird  0.9+nobinonly
TestParser.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 Communicator client 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  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00030  * use your version of this file under the terms of the MPL, indicate your
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00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "nsXPCOM.h"
00039 #include "nsIComponentManager.h"
00040 #include "nsParserCIID.h"
00041 #include "nsIParser.h"
00042 #include "nsILoggingSink.h"
00043 #include "nsIInputStream.h"
00044 
00045 // Class IID's
00046 static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);
00047 static NS_DEFINE_CID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
00048 static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
00049 
00050 //----------------------------------------------------------------------
00051 
00052 nsresult ParseData(char* anInputStream,char* anOutputStream) {
00053   NS_ENSURE_ARG_POINTER(anInputStream);
00054   NS_ENSURE_ARG_POINTER(anOutputStream);
00055        
00056   nsresult result = NS_OK;
00057 
00058   // Create a parser
00059   nsCOMPtr<nsIParser> parser(do_CreateInstance(kParserCID, &result));
00060   if (NS_FAILED(result)) {
00061     printf("\nUnable to create a parser\n");
00062     return result;
00063   }
00064   // Create a sink
00065   nsCOMPtr<nsILoggingSink> sink(do_CreateInstance(kLoggingSinkCID, &result));
00066   if (NS_FAILED(result)) {
00067     printf("\nUnable to create a sink\n");
00068     return result;
00069   }
00070   // Create a dtd
00071   nsCOMPtr<nsIDTD> dtd(do_CreateInstance(kNavDTDCID, &result));
00072   if(NS_FAILED(result)) {
00073     printf("Unable to create a dtd\n");
00074     return result;
00075   }
00076      
00077   PRFileDesc* in = PR_Open(anInputStream, PR_RDONLY, 777);
00078   if (!in) {
00079     printf("\nUnable to open input file - %s\n", anInputStream);
00080     return result;
00081   }
00082   
00083   PRFileDesc* out = PR_Open(anOutputStream, PR_CREATE_FILE|PR_WRONLY, 777);
00084   if (!out) {
00085     printf("\nUnable to open output file - %s\n", anOutputStream);
00086     return result;
00087   }
00088 
00089   nsString stream;
00090   char buffer[1024] = {0}; // XXX Yikes!
00091   PRBool done = PR_FALSE;
00092   PRInt32 length = 0;
00093   while(!done) {
00094     length = PR_Read(in, buffer, sizeof(buffer));
00095     if (length != 0) {
00096       stream.AppendWithConversion(buffer, length);
00097     }
00098     else {
00099       done=PR_TRUE;
00100     }
00101   }
00102 
00103   sink->SetOutputStream(out);
00104   parser->RegisterDTD(dtd);
00105        parser->SetContentSink(sink);
00106   result = parser->Parse(stream, 0, NS_LITERAL_CSTRING("text/html"), PR_FALSE, PR_TRUE);
00107   
00108   PR_Close(in);
00109   PR_Close(out);
00110 
00111   return result;
00112 }
00113 
00114 
00115 //---------------------------------------------------------------------
00116 
00117 int main(int argc, char** argv)
00118 {
00119   if (argc < 3) {
00120               printf("\nUsage: <inputfile> <outputfile>\n"); 
00121     return -1;
00122   }
00123 
00124   nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
00125   if (NS_FAILED(rv)) {
00126     printf("NS_InitXPCOM2 failed\n");
00127     return -1;
00128   }
00129 
00130   ParseData(argv[1],argv[2]);
00131 
00132   return 0;
00133 }