The Tor Browser: rdf/base/src/nsRDFXMLParser.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "nsRDFXMLParser.h"

     9 #include "nsIComponentManager.h"

    10 #include "nsIParser.h"

    11 #include "nsCharsetSource.h"

    12 #include "nsIRDFContentSink.h"

    13 #include "nsParserCIID.h"

    14 #include "nsStringStream.h"

    15 #include "nsNetUtil.h"

    17 static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);

    19 NS_IMPL_ISUPPORTS(nsRDFXMLParser, nsIRDFXMLParser)

    21 nsresult

    22 nsRDFXMLParser::Create(nsISupports* aOuter, REFNSIID aIID, void** aResult)

    23 {

    24     if (aOuter)

    25         return NS_ERROR_NO_AGGREGATION;

    27     nsRDFXMLParser* result = new nsRDFXMLParser();

    28     if (! result)

    29         return NS_ERROR_OUT_OF_MEMORY;

    31     nsresult rv;

    32     NS_ADDREF(result);

    33     rv = result->QueryInterface(aIID, aResult);

    34     NS_RELEASE(result);

    35     return rv;

    36 }

    38 nsRDFXMLParser::nsRDFXMLParser()

    39 {

    40     MOZ_COUNT_CTOR(nsRDFXMLParser);

    41 }

    43 nsRDFXMLParser::~nsRDFXMLParser()

    44 {

    45     MOZ_COUNT_DTOR(nsRDFXMLParser);

    46 }

    48 NS_IMETHODIMP

    49 nsRDFXMLParser::ParseAsync(nsIRDFDataSource* aSink, nsIURI* aBaseURI, nsIStreamListener** aResult)

    50 {

    51     nsresult rv;

    53     nsCOMPtr<nsIRDFContentSink> sink =

    54         do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);

    56     if (NS_FAILED(rv)) return rv;

    58     rv = sink->Init(aBaseURI);

    59     if (NS_FAILED(rv)) return rv;

    61     // We set the content sink's data source directly to our in-memory

    62     // store. This allows the initial content to be generated "directly".

    63     rv = sink->SetDataSource(aSink);

    64     if (NS_FAILED(rv)) return rv;

    66     nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);

    67     if (NS_FAILED(rv)) return rv;

    69     parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),

    70                                kCharsetFromDocTypeDefault);

    71     parser->SetContentSink(sink);

    73     rv = parser->Parse(aBaseURI);

    74     if (NS_FAILED(rv)) return rv;

    76     return CallQueryInterface(parser, aResult);

    77 }

    79 NS_IMETHODIMP

    80 nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString)

    81 {

    82     nsresult rv;

    84     nsCOMPtr<nsIRDFContentSink> sink =

    85         do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);

    87     if (NS_FAILED(rv)) return rv;

    89     rv = sink->Init(aBaseURI);

    90     if (NS_FAILED(rv)) return rv;

    92     // We set the content sink's data source directly to our in-memory

    93     // store. This allows the initial content to be generated "directly".

    94     rv = sink->SetDataSource(aSink);

    95     if (NS_FAILED(rv)) return rv;

    97     nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);

    98     if (NS_FAILED(rv)) return rv;

   100     parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),

   101                                kCharsetFromOtherComponent);

   102     parser->SetContentSink(sink);

   104     rv = parser->Parse(aBaseURI);

   105     if (NS_FAILED(rv)) return rv;

   107     nsCOMPtr<nsIStreamListener> listener =

   108         do_QueryInterface(parser);

   110     if (! listener)

   111         return NS_ERROR_FAILURE;

   113     nsCOMPtr<nsIInputStream> stream;

   114     rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString);

   115     if (NS_FAILED(rv)) return rv;

   117     nsCOMPtr<nsIChannel> channel;

   118     rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aBaseURI, stream,

   119                                   NS_LITERAL_CSTRING("text/xml"));

   120     if (NS_FAILED(rv)) return rv;

   122     listener->OnStartRequest(channel, nullptr);

   123     listener->OnDataAvailable(channel, nullptr, stream, 0, aString.Length());

   124     listener->OnStopRequest(channel, nullptr, NS_OK);

   126     return NS_OK;

   127 }

The Tor Browser / file revision