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comparison: src/share/jaxws_classes/com/sun/tools/internal/jxc/gen/config/NGCCInterleaveFilter.java

src/share/jaxws_classes/com/sun/tools/internal/jxc/gen/config/NGCCInterleaveFilter.java

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1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.internal.jxc.gen.config;
27
28 import org.xml.sax.Attributes;
29 import org.xml.sax.SAXException;
30
31 /**
32 * Dispatches incoming events into sub handlers appropriately
33 * so that the interleaving semantics will be correctly realized.
34 *
35 * <p><b>
36 * Auto-generated, do not edit.
37 * </b></p>
38 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
39 */
40 public abstract class NGCCInterleaveFilter implements NGCCEventSource, NGCCEventReceiver {
41 protected NGCCInterleaveFilter( NGCCHandler parent, int cookie ) {
42 this._parent = parent;
43 this._cookie = cookie;
44 }
45
46 protected void setHandlers( NGCCEventReceiver[] receivers ) {
47 this._receivers = receivers;
48 }
49
50 /** event receiverse. */
51 protected NGCCEventReceiver[] _receivers;
52
53 public int replace(NGCCEventReceiver oldHandler, NGCCEventReceiver newHandler) {
54 for( int i=0; i<_receivers.length; i++ )
55 if( _receivers[i]==oldHandler ) {
56 _receivers[i]=newHandler;
57 return i;
58 }
59 throw new InternalError(); // a bug in RelaxNGCC.
60 }
61
62
63 /** Parent handler. */
64 private final NGCCHandler _parent;
65 /** Cookie given by the parent. */
66 private final int _cookie;
67
68
69
70 //
71 //
72 // event handler
73 //
74 //
75 /**
76 * Receiver that is being locked and therefore receives all the events.
77 * <pre><xmp>
78 * <interleave>
79 * <element name="foo"/>
80 * <element name="bar">
81 * <element name="foo"/>
82 * </element>
83 * </interlaeve>
84 * </xmp></pre>
85 * When processing inside the bar element, this receiver is
86 * "locked" so that it can correctly receive its child foo element.
87 */
88 private int lockedReceiver;
89 /**
90 * Nest level. Lock will be release when the lockCount becomes 0.
91 */
92 private int lockCount=0;
93
94 public void enterElement(
95 String uri, String localName, String qname,Attributes atts) throws SAXException {
96
97 if(isJoining) return; // ignore any token if we are joining. See joinByXXXX.
98
99 if(lockCount++==0) {
100 lockedReceiver = findReceiverOfElement(uri,localName);
101 if(lockedReceiver==-1) {
102 // we can't process this token. join.
103 joinByEnterElement(null,uri,localName,qname,atts);
104 return;
105 }
106 }
107
108 _receivers[lockedReceiver].enterElement(uri,localName,qname,atts);
109 }
110 public void leaveElement(String uri, String localName, String qname) throws SAXException {
111 if(isJoining) return; // ignore any token if we are joining. See joinByXXXX.
112
113 if( lockCount-- == 0 )
114 joinByLeaveElement(null,uri,localName,qname);
115 else
116 _receivers[lockedReceiver].leaveElement(uri,localName,qname);
117 }
118 public void enterAttribute(String uri, String localName, String qname) throws SAXException {
119 if(isJoining) return; // ignore any token if we are joining. See joinByXXXX.
120
121 if(lockCount++==0) {
122 lockedReceiver = findReceiverOfAttribute(uri,localName);
123 if(lockedReceiver==-1) {
124 // we can't process this token. join.
125 joinByEnterAttribute(null,uri,localName,qname);
126 return;
127 }
128 }
129
130 _receivers[lockedReceiver].enterAttribute(uri,localName,qname);
131 }
132 public void leaveAttribute(String uri, String localName, String qname) throws SAXException {
133 if(isJoining) return; // ignore any token if we are joining. See joinByXXXX.
134
135 if( lockCount-- == 0 )
136 joinByLeaveAttribute(null,uri,localName,qname);
137 else
138 _receivers[lockedReceiver].leaveAttribute(uri,localName,qname);
139 }
140 public void text(String value) throws SAXException {
141 if(isJoining) return; // ignore any token if we are joining. See joinByXXXX.
142
143 if(lockCount!=0)
144 _receivers[lockedReceiver].text(value);
145 else {
146 int receiver = findReceiverOfText();
147 if(receiver!=-1) _receivers[receiver].text(value);
148 else joinByText(null,value);
149 }
150 }
151
152
153
154 /**
155 * Implemented by the generated code to determine the handler
156 * that can receive the given element.
157 *
158 * @return
159 * Thread ID of the receiver that can handle this event,
160 * or -1 if none.
161 */
162 protected abstract int findReceiverOfElement( String uri, String local );
163
164 /**
165 * Returns the handler that can receive the given attribute, or null.
166 */
167 protected abstract int findReceiverOfAttribute( String uri, String local );
168
169 /**
170 * Returns the handler that can receive text events, or null.
171 */
172 protected abstract int findReceiverOfText();
173
174
175
176
177 //
178 //
179 // join method
180 //
181 //
182
183
184 /**
185 * Set to true when this handler is in the process of
186 * joining all branches.
187 */
188 private boolean isJoining = false;
189
190 /**
191 * Joins all the child receivers.
192 *
193 * <p>
194 * This method is called by a child receiver when it sees
195 * something that it cannot handle, or by this object itself
196 * when it sees an event that it can't process.
197 *
198 * <p>
199 * This method forces children to move to its final state,
200 * then revert to the parent.
201 *
202 * @param source
203 * If this method is called by one of the child receivers,
204 * the receiver object. If this method is called by itself,
205 * null.
206 */
207 public void joinByEnterElement( NGCCEventReceiver source,
208 String uri, String local, String qname, Attributes atts ) throws SAXException {
209
210 if(isJoining) return; // we are already in the process of joining. ignore.
211 isJoining = true;
212
213 // send special token to the rest of the branches.
214 // these branches don't understand this token, so they will
215 // try to move to a final state and send the token back to us,
216 // which this object will ignore (because isJoining==true)
217 // Otherwise branches will find an error.
218 for( int i=0; i<_receivers.length; i++ )
219 if( _receivers[i]!=source )
220 _receivers[i].enterElement(uri,local,qname,atts);
221
222 // revert to the parent
223 _parent._source.replace(this,_parent);
224 _parent.onChildCompleted(null,_cookie,true);
225 // send this event to the parent
226 _parent.enterElement(uri,local,qname,atts);
227 }
228
229 public void joinByLeaveElement( NGCCEventReceiver source,
230 String uri, String local, String qname ) throws SAXException {
231
232 if(isJoining) return; // we are already in the process of joining. ignore.
233 isJoining = true;
234
235 // send special token to the rest of the branches.
236 // these branches don't understand this token, so they will
237 // try to move to a final state and send the token back to us,
238 // which this object will ignore (because isJoining==true)
239 // Otherwise branches will find an error.
240 for( int i=0; i<_receivers.length; i++ )
241 if( _receivers[i]!=source )
242 _receivers[i].leaveElement(uri,local,qname);
243
244 // revert to the parent
245 _parent._source.replace(this,_parent);
246 _parent.onChildCompleted(null,_cookie,true);
247 // send this event to the parent
248 _parent.leaveElement(uri,local,qname);
249 }
250
251 public void joinByEnterAttribute( NGCCEventReceiver source,
252 String uri, String local, String qname ) throws SAXException {
253
254 if(isJoining) return; // we are already in the process of joining. ignore.
255 isJoining = true;
256
257 // send special token to the rest of the branches.
258 // these branches don't understand this token, so they will
259 // try to move to a final state and send the token back to us,
260 // which this object will ignore (because isJoining==true)
261 // Otherwise branches will find an error.
262 for( int i=0; i<_receivers.length; i++ )
263 if( _receivers[i]!=source )
264 _receivers[i].enterAttribute(uri,local,qname);
265
266 // revert to the parent
267 _parent._source.replace(this,_parent);
268 _parent.onChildCompleted(null,_cookie,true);
269 // send this event to the parent
270 _parent.enterAttribute(uri,local,qname);
271 }
272
273 public void joinByLeaveAttribute( NGCCEventReceiver source,
274 String uri, String local, String qname ) throws SAXException {
275
276 if(isJoining) return; // we are already in the process of joining. ignore.
277 isJoining = true;
278
279 // send special token to the rest of the branches.
280 // these branches don't understand this token, so they will
281 // try to move to a final state and send the token back to us,
282 // which this object will ignore (because isJoining==true)
283 // Otherwise branches will find an error.
284 for( int i=0; i<_receivers.length; i++ )
285 if( _receivers[i]!=source )
286 _receivers[i].leaveAttribute(uri,local,qname);
287
288 // revert to the parent
289 _parent._source.replace(this,_parent);
290 _parent.onChildCompleted(null,_cookie,true);
291 // send this event to the parent
292 _parent.leaveAttribute(uri,local,qname);
293 }
294
295 public void joinByText( NGCCEventReceiver source,
296 String value ) throws SAXException {
297
298 if(isJoining) return; // we are already in the process of joining. ignore.
299 isJoining = true;
300
301 // send special token to the rest of the branches.
302 // these branches don't understand this token, so they will
303 // try to move to a final state and send the token back to us,
304 // which this object will ignore (because isJoining==true)
305 // Otherwise branches will find an error.
306 for( int i=0; i<_receivers.length; i++ )
307 if( _receivers[i]!=source )
308 _receivers[i].text(value);
309
310 // revert to the parent
311 _parent._source.replace(this,_parent);
312 _parent.onChildCompleted(null,_cookie,true);
313 // send this event to the parent
314 _parent.text(value);
315 }
316
317
318
319 //
320 //
321 // event dispatching methods
322 //
323 //
324
325 public void sendEnterAttribute( int threadId,
326 String uri, String local, String qname) throws SAXException {
327
328 _receivers[threadId].enterAttribute(uri,local,qname);
329 }
330
331 public void sendEnterElement( int threadId,
332 String uri, String local, String qname, Attributes atts) throws SAXException {
333
334 _receivers[threadId].enterElement(uri,local,qname,atts);
335 }
336
337 public void sendLeaveAttribute( int threadId,
338 String uri, String local, String qname) throws SAXException {
339
340 _receivers[threadId].leaveAttribute(uri,local,qname);
341 }
342
343 public void sendLeaveElement( int threadId,
344 String uri, String local, String qname) throws SAXException {
345
346 _receivers[threadId].leaveElement(uri,local,qname);
347 }
348
349 public void sendText(int threadId, String value) throws SAXException {
350 _receivers[threadId].text(value);
351 }
352
353 }

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