The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rdf/base/src/nsRDFXMLParser.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,127 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
     1.5 + *
     1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "nsRDFXMLParser.h"
    1.11 +
    1.12 +#include "nsIComponentManager.h"
    1.13 +#include "nsIParser.h"
    1.14 +#include "nsCharsetSource.h"
    1.15 +#include "nsIRDFContentSink.h"
    1.16 +#include "nsParserCIID.h"
    1.17 +#include "nsStringStream.h"
    1.18 +#include "nsNetUtil.h"
    1.19 +
    1.20 +static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);
    1.21 +
    1.22 +NS_IMPL_ISUPPORTS(nsRDFXMLParser, nsIRDFXMLParser)
    1.23 +
    1.24 +nsresult
    1.25 +nsRDFXMLParser::Create(nsISupports* aOuter, REFNSIID aIID, void** aResult)
    1.26 +{
    1.27 +    if (aOuter)
    1.28 +        return NS_ERROR_NO_AGGREGATION;
    1.29 +
    1.30 +    nsRDFXMLParser* result = new nsRDFXMLParser();
    1.31 +    if (! result)
    1.32 +        return NS_ERROR_OUT_OF_MEMORY;
    1.33 +
    1.34 +    nsresult rv;
    1.35 +    NS_ADDREF(result);
    1.36 +    rv = result->QueryInterface(aIID, aResult);
    1.37 +    NS_RELEASE(result);
    1.38 +    return rv;
    1.39 +}
    1.40 +
    1.41 +nsRDFXMLParser::nsRDFXMLParser()
    1.42 +{
    1.43 +    MOZ_COUNT_CTOR(nsRDFXMLParser);
    1.44 +}
    1.45 +
    1.46 +nsRDFXMLParser::~nsRDFXMLParser()
    1.47 +{
    1.48 +    MOZ_COUNT_DTOR(nsRDFXMLParser);
    1.49 +}
    1.50 +
    1.51 +NS_IMETHODIMP
    1.52 +nsRDFXMLParser::ParseAsync(nsIRDFDataSource* aSink, nsIURI* aBaseURI, nsIStreamListener** aResult)
    1.53 +{
    1.54 +    nsresult rv;
    1.55 +
    1.56 +    nsCOMPtr<nsIRDFContentSink> sink =
    1.57 +        do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);
    1.58 +
    1.59 +    if (NS_FAILED(rv)) return rv;
    1.60 +
    1.61 +    rv = sink->Init(aBaseURI);
    1.62 +    if (NS_FAILED(rv)) return rv;
    1.63 +
    1.64 +    // We set the content sink's data source directly to our in-memory
    1.65 +    // store. This allows the initial content to be generated "directly".
    1.66 +    rv = sink->SetDataSource(aSink);
    1.67 +    if (NS_FAILED(rv)) return rv;
    1.68 +
    1.69 +    nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
    1.70 +    if (NS_FAILED(rv)) return rv;
    1.71 +
    1.72 +    parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
    1.73 +                               kCharsetFromDocTypeDefault);
    1.74 +    parser->SetContentSink(sink);
    1.75 +
    1.76 +    rv = parser->Parse(aBaseURI);
    1.77 +    if (NS_FAILED(rv)) return rv;
    1.78 +
    1.79 +    return CallQueryInterface(parser, aResult);
    1.80 +}
    1.81 +
    1.82 +NS_IMETHODIMP
    1.83 +nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString)
    1.84 +{
    1.85 +    nsresult rv;
    1.86 +
    1.87 +    nsCOMPtr<nsIRDFContentSink> sink =
    1.88 +        do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);
    1.89 +
    1.90 +    if (NS_FAILED(rv)) return rv;
    1.91 +
    1.92 +    rv = sink->Init(aBaseURI);
    1.93 +    if (NS_FAILED(rv)) return rv;
    1.94 +
    1.95 +    // We set the content sink's data source directly to our in-memory
    1.96 +    // store. This allows the initial content to be generated "directly".
    1.97 +    rv = sink->SetDataSource(aSink);
    1.98 +    if (NS_FAILED(rv)) return rv;
    1.99 +
   1.100 +    nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
   1.101 +    if (NS_FAILED(rv)) return rv;
   1.102 +
   1.103 +    parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
   1.104 +                               kCharsetFromOtherComponent);
   1.105 +    parser->SetContentSink(sink);
   1.106 +
   1.107 +    rv = parser->Parse(aBaseURI);
   1.108 +    if (NS_FAILED(rv)) return rv;
   1.109 +
   1.110 +    nsCOMPtr<nsIStreamListener> listener =
   1.111 +        do_QueryInterface(parser);
   1.112 +
   1.113 +    if (! listener)
   1.114 +        return NS_ERROR_FAILURE;
   1.115 +
   1.116 +    nsCOMPtr<nsIInputStream> stream;
   1.117 +    rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString);
   1.118 +    if (NS_FAILED(rv)) return rv;
   1.119 +
   1.120 +    nsCOMPtr<nsIChannel> channel;
   1.121 +    rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aBaseURI, stream,
   1.122 +                                  NS_LITERAL_CSTRING("text/xml"));
   1.123 +    if (NS_FAILED(rv)) return rv;
   1.124 +
   1.125 +    listener->OnStartRequest(channel, nullptr);
   1.126 +    listener->OnDataAvailable(channel, nullptr, stream, 0, aString.Length());
   1.127 +    listener->OnStopRequest(channel, nullptr, NS_OK);
   1.128 +
   1.129 +    return NS_OK;
   1.130 +}