1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is TransforMiiX XSLT processor code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 2002
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Peter Van der Beken <peterv@propagandism.org>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
40 : #define TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
41 :
42 : #include "nsAutoPtr.h"
43 : #include "nsStubMutationObserver.h"
44 : #include "nsIDocumentTransformer.h"
45 : #include "nsIXSLTProcessor.h"
46 : #include "nsIXSLTProcessorPrivate.h"
47 : #include "txExpandedNameMap.h"
48 : #include "txNamespaceMap.h"
49 : #include "nsIJSNativeInitializer.h"
50 : #include "nsCycleCollectionParticipant.h"
51 :
52 : class nsIDOMNode;
53 : class nsIPrincipal;
54 : class nsIURI;
55 : class nsIXMLContentSink;
56 : class txStylesheet;
57 : class txResultRecycler;
58 : class txIGlobalParameter;
59 :
60 : /* bacd8ad0-552f-11d3-a9f7-000064657374 */
61 : #define TRANSFORMIIX_XSLT_PROCESSOR_CID \
62 : { 0xbacd8ad0, 0x552f, 0x11d3, {0xa9, 0xf7, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74} }
63 :
64 : #define TRANSFORMIIX_XSLT_PROCESSOR_CONTRACTID \
65 : "@mozilla.org/document-transformer;1?type=xslt"
66 :
67 : #define XSLT_MSGS_URL "chrome://global/locale/xslt/xslt.properties"
68 :
69 : /**
70 : * txMozillaXSLTProcessor is a front-end to the XSLT Processor.
71 : */
72 : class txMozillaXSLTProcessor : public nsIXSLTProcessor,
73 : public nsIXSLTProcessorPrivate,
74 : public nsIDocumentTransformer,
75 : public nsStubMutationObserver,
76 : public nsIJSNativeInitializer
77 : {
78 : public:
79 : /**
80 : * Creates a new txMozillaXSLTProcessor
81 : */
82 : txMozillaXSLTProcessor();
83 :
84 : /**
85 : * Default destructor for txMozillaXSLTProcessor
86 : */
87 : ~txMozillaXSLTProcessor();
88 :
89 : // nsISupports interface
90 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
91 1464 : NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(txMozillaXSLTProcessor,
92 : nsIXSLTProcessor)
93 :
94 : // nsIXSLTProcessor interface
95 : NS_DECL_NSIXSLTPROCESSOR
96 :
97 : // nsIXSLTProcessorPrivate interface
98 : NS_DECL_NSIXSLTPROCESSORPRIVATE
99 :
100 : // nsIDocumentTransformer interface
101 : NS_IMETHOD Init(nsIPrincipal* aPrincipal);
102 : NS_IMETHOD SetTransformObserver(nsITransformObserver* aObserver);
103 : NS_IMETHOD LoadStyleSheet(nsIURI* aUri, nsILoadGroup* aLoadGroup);
104 : NS_IMETHOD SetSourceContentModel(nsIDOMNode* aSource);
105 0 : NS_IMETHOD CancelLoads() {return NS_OK;}
106 : NS_IMETHOD AddXSLTParamNamespace(const nsString& aPrefix,
107 : const nsString& aNamespace);
108 : NS_IMETHOD AddXSLTParam(const nsString& aName,
109 : const nsString& aNamespace,
110 : const nsString& aSelect,
111 : const nsString& aValue,
112 : nsIDOMNode* aContext);
113 :
114 : // nsIMutationObserver interface
115 : NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
116 : NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
117 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
118 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
119 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
120 : NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
121 :
122 : nsresult setStylesheet(txStylesheet* aStylesheet);
123 : void reportError(nsresult aResult, const PRUnichar *aErrorText,
124 : const PRUnichar *aSourceText);
125 :
126 0 : nsIDOMNode *GetSourceContentModel()
127 : {
128 0 : return mSource;
129 : }
130 :
131 : nsresult TransformToDoc(nsIDOMDocument **aResult);
132 :
133 0 : bool IsLoadDisabled()
134 : {
135 0 : return (mFlags & DISABLE_ALL_LOADS) != 0;
136 : }
137 :
138 : // nsIJSNativeInitializer
139 : NS_IMETHODIMP Initialize(nsISupports* aOwner, JSContext *cx, JSObject *obj,
140 : PRUint32 argc, jsval *argv);
141 :
142 : static nsresult Startup();
143 : static void Shutdown();
144 :
145 : private:
146 : nsresult DoTransform();
147 : void notifyError();
148 : nsresult ensureStylesheet();
149 :
150 : nsRefPtr<txStylesheet> mStylesheet;
151 : nsIDocument* mStylesheetDocument; // weak
152 : nsCOMPtr<nsIContent> mEmbeddedStylesheetRoot;
153 :
154 : nsCOMPtr<nsIDOMNode> mSource;
155 : nsresult mTransformResult;
156 : nsresult mCompileResult;
157 : nsString mErrorText, mSourceText;
158 : nsCOMPtr<nsIPrincipal> mPrincipal;
159 : nsCOMPtr<nsITransformObserver> mObserver;
160 : txOwningExpandedNameMap<txIGlobalParameter> mVariables;
161 : txNamespaceMap mParamNamespaceMap;
162 : nsRefPtr<txResultRecycler> mRecycler;
163 :
164 : PRUint32 mFlags;
165 : };
166 :
167 : extern nsresult TX_LoadSheet(nsIURI* aUri, txMozillaXSLTProcessor* aProcessor,
168 : nsILoadGroup* aLoadGroup,
169 : nsIPrincipal* aCallerPrincipal);
170 :
171 : extern nsresult TX_CompileStylesheet(nsINode* aNode,
172 : txMozillaXSLTProcessor* aProcessor,
173 : nsIPrincipal* aCallerPrincipal,
174 : txStylesheet** aStylesheet);
175 :
176 : #endif
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