LCOV - code coverage report
Current view: directory - rdf/base/src - nsRDFXMLParser.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 60 57 95.0 %
Date: 2012-06-02 Functions: 9 9 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org Code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corporation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Chris Waterson <waterson@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "nsRDFXMLParser.h"
      41                 : 
      42                 : #include "nsIComponentManager.h"
      43                 : #include "nsIParser.h"
      44                 : #include "nsIRDFContentSink.h"
      45                 : #include "nsParserCIID.h"
      46                 : #include "nsStringStream.h"
      47                 : #include "nsNetUtil.h"
      48                 : 
      49                 : static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);
      50                 : 
      51           35134 : NS_IMPL_ISUPPORTS1(nsRDFXMLParser, nsIRDFXMLParser)
      52                 : 
      53                 : nsresult
      54            2072 : nsRDFXMLParser::Create(nsISupports* aOuter, REFNSIID aIID, void** aResult)
      55                 : {
      56            2072 :     if (aOuter)
      57               0 :         return NS_ERROR_NO_AGGREGATION;
      58                 : 
      59            2072 :     nsRDFXMLParser* result = new nsRDFXMLParser();
      60            2072 :     if (! result)
      61               0 :         return NS_ERROR_OUT_OF_MEMORY;
      62                 : 
      63                 :     nsresult rv;
      64            2072 :     NS_ADDREF(result);
      65            2072 :     rv = result->QueryInterface(aIID, aResult);
      66            2072 :     NS_RELEASE(result);
      67            2072 :     return rv;
      68                 : }
      69                 : 
      70            2072 : nsRDFXMLParser::nsRDFXMLParser()
      71                 : {
      72            2072 :     MOZ_COUNT_CTOR(nsRDFXMLParser);
      73            2072 : }
      74                 : 
      75            4144 : nsRDFXMLParser::~nsRDFXMLParser()
      76                 : {
      77            2072 :     MOZ_COUNT_DTOR(nsRDFXMLParser);
      78            8288 : }
      79                 : 
      80                 : NS_IMETHODIMP
      81            1818 : nsRDFXMLParser::ParseAsync(nsIRDFDataSource* aSink, nsIURI* aBaseURI, nsIStreamListener** aResult)
      82                 : {
      83                 :     nsresult rv;
      84                 : 
      85                 :     nsCOMPtr<nsIRDFContentSink> sink =
      86            3636 :         do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);
      87                 : 
      88            1818 :     if (NS_FAILED(rv)) return rv;
      89                 : 
      90            1818 :     rv = sink->Init(aBaseURI);
      91            1818 :     if (NS_FAILED(rv)) return rv;
      92                 : 
      93                 :     // We set the content sink's data source directly to our in-memory
      94                 :     // store. This allows the initial content to be generated "directly".
      95            1818 :     rv = sink->SetDataSource(aSink);
      96            1818 :     if (NS_FAILED(rv)) return rv;
      97                 : 
      98            3636 :     nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
      99            1818 :     if (NS_FAILED(rv)) return rv;
     100                 : 
     101            3636 :     parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
     102            1818 :                                kCharsetFromDocTypeDefault);
     103            1818 :     parser->SetContentSink(sink);
     104                 : 
     105            1818 :     rv = parser->Parse(aBaseURI);
     106            1818 :     if (NS_FAILED(rv)) return rv;
     107                 : 
     108            1818 :     return CallQueryInterface(parser, aResult);
     109                 : }
     110                 : 
     111                 : NS_IMETHODIMP
     112             254 : nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString)
     113                 : {
     114                 :     nsresult rv;
     115                 : 
     116                 :     nsCOMPtr<nsIRDFContentSink> sink =
     117             508 :         do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);
     118                 : 
     119             254 :     if (NS_FAILED(rv)) return rv;
     120                 : 
     121             254 :     rv = sink->Init(aBaseURI);
     122             254 :     if (NS_FAILED(rv)) return rv;
     123                 : 
     124                 :     // We set the content sink's data source directly to our in-memory
     125                 :     // store. This allows the initial content to be generated "directly".
     126             254 :     rv = sink->SetDataSource(aSink);
     127             254 :     if (NS_FAILED(rv)) return rv;
     128                 : 
     129             508 :     nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
     130             254 :     if (NS_FAILED(rv)) return rv;
     131                 : 
     132             508 :     parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
     133             254 :                                kCharsetFromOtherComponent);
     134             254 :     parser->SetContentSink(sink);
     135                 : 
     136             254 :     rv = parser->Parse(aBaseURI);
     137             254 :     if (NS_FAILED(rv)) return rv;
     138                 : 
     139                 :     nsCOMPtr<nsIStreamListener> listener =
     140             508 :         do_QueryInterface(parser);
     141                 : 
     142             254 :     if (! listener)
     143               0 :         return NS_ERROR_FAILURE;
     144                 : 
     145             508 :     nsCOMPtr<nsIInputStream> stream;
     146             254 :     rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString);
     147             254 :     if (NS_FAILED(rv)) return rv;
     148                 : 
     149             508 :     nsCOMPtr<nsIChannel> channel;
     150             254 :     rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aBaseURI, stream,
     151             508 :                                   NS_LITERAL_CSTRING("text/xml"));
     152             254 :     if (NS_FAILED(rv)) return rv;
     153                 : 
     154             254 :     listener->OnStartRequest(channel, nsnull);
     155             254 :     listener->OnDataAvailable(channel, nsnull, stream, 0, aString.Length());
     156             254 :     listener->OnStopRequest(channel, nsnull, NS_OK);
     157                 : 
     158             254 :     return NS_OK;
     159                 : }

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