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comparison: rdf/base/src/nsRDFXMLParser.cpp
rdf/base/src/nsRDFXMLParser.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:cee0864e6e35 |
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| 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/. */ | |
| 6 | |
| 7 #include "nsRDFXMLParser.h" | |
| 8 | |
| 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" | |
| 16 | |
| 17 static NS_DEFINE_CID(kParserCID, NS_PARSER_CID); | |
| 18 | |
| 19 NS_IMPL_ISUPPORTS(nsRDFXMLParser, nsIRDFXMLParser) | |
| 20 | |
| 21 nsresult | |
| 22 nsRDFXMLParser::Create(nsISupports* aOuter, REFNSIID aIID, void** aResult) | |
| 23 { | |
| 24 if (aOuter) | |
| 25 return NS_ERROR_NO_AGGREGATION; | |
| 26 | |
| 27 nsRDFXMLParser* result = new nsRDFXMLParser(); | |
| 28 if (! result) | |
| 29 return NS_ERROR_OUT_OF_MEMORY; | |
| 30 | |
| 31 nsresult rv; | |
| 32 NS_ADDREF(result); | |
| 33 rv = result->QueryInterface(aIID, aResult); | |
| 34 NS_RELEASE(result); | |
| 35 return rv; | |
| 36 } | |
| 37 | |
| 38 nsRDFXMLParser::nsRDFXMLParser() | |
| 39 { | |
| 40 MOZ_COUNT_CTOR(nsRDFXMLParser); | |
| 41 } | |
| 42 | |
| 43 nsRDFXMLParser::~nsRDFXMLParser() | |
| 44 { | |
| 45 MOZ_COUNT_DTOR(nsRDFXMLParser); | |
| 46 } | |
| 47 | |
| 48 NS_IMETHODIMP | |
| 49 nsRDFXMLParser::ParseAsync(nsIRDFDataSource* aSink, nsIURI* aBaseURI, nsIStreamListener** aResult) | |
| 50 { | |
| 51 nsresult rv; | |
| 52 | |
| 53 nsCOMPtr<nsIRDFContentSink> sink = | |
| 54 do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv); | |
| 55 | |
| 56 if (NS_FAILED(rv)) return rv; | |
| 57 | |
| 58 rv = sink->Init(aBaseURI); | |
| 59 if (NS_FAILED(rv)) return rv; | |
| 60 | |
| 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; | |
| 65 | |
| 66 nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv); | |
| 67 if (NS_FAILED(rv)) return rv; | |
| 68 | |
| 69 parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"), | |
| 70 kCharsetFromDocTypeDefault); | |
| 71 parser->SetContentSink(sink); | |
| 72 | |
| 73 rv = parser->Parse(aBaseURI); | |
| 74 if (NS_FAILED(rv)) return rv; | |
| 75 | |
| 76 return CallQueryInterface(parser, aResult); | |
| 77 } | |
| 78 | |
| 79 NS_IMETHODIMP | |
| 80 nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString) | |
| 81 { | |
| 82 nsresult rv; | |
| 83 | |
| 84 nsCOMPtr<nsIRDFContentSink> sink = | |
| 85 do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv); | |
| 86 | |
| 87 if (NS_FAILED(rv)) return rv; | |
| 88 | |
| 89 rv = sink->Init(aBaseURI); | |
| 90 if (NS_FAILED(rv)) return rv; | |
| 91 | |
| 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; | |
| 96 | |
| 97 nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv); | |
| 98 if (NS_FAILED(rv)) return rv; | |
| 99 | |
| 100 parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"), | |
| 101 kCharsetFromOtherComponent); | |
| 102 parser->SetContentSink(sink); | |
| 103 | |
| 104 rv = parser->Parse(aBaseURI); | |
| 105 if (NS_FAILED(rv)) return rv; | |
| 106 | |
| 107 nsCOMPtr<nsIStreamListener> listener = | |
| 108 do_QueryInterface(parser); | |
| 109 | |
| 110 if (! listener) | |
| 111 return NS_ERROR_FAILURE; | |
| 112 | |
| 113 nsCOMPtr<nsIInputStream> stream; | |
| 114 rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString); | |
| 115 if (NS_FAILED(rv)) return rv; | |
| 116 | |
| 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; | |
| 121 | |
| 122 listener->OnStartRequest(channel, nullptr); | |
| 123 listener->OnDataAvailable(channel, nullptr, stream, 0, aString.Length()); | |
| 124 listener->OnStopRequest(channel, nullptr, NS_OK); | |
| 125 | |
| 126 return NS_OK; | |
| 127 } |
