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1 package org.ejen.ext.parsers.java_1_2;
22
23 import org.ejen.util.XSLUtil;
24 import org.ejen.util.arl.ArlUtil;
25 import java.io.FileReader  ;
26 import java.io.BufferedReader ;
27 import java.util.StringTokenizer ;
28 import java.util.Hashtable ;
29 import org.apache.xalan.extensions.ExpressionContext;
30 import org.apache.xml.utils.WrappedRuntimeException;
31
32
63 public class JavaSourceToXML implements JavaParserTreeConstants, JavaParserConstants {
64
65 private static Hashtable _nodesMapCache = new Hashtable ();
66 private static Hashtable _tokensMapCache = new Hashtable ();
67
68 private final static int[] DEFAULT_NODES_MAP = new int[jjtNodeName.length];
69 private final static int[] DEFAULT_TOKENS_MAP = new int[tokenImage.length];
70 static {
71 DEFAULT_NODES_MAP[JJTIMPORTDECLARATION] = ArlUtil.F_REMOVE;
72 DEFAULT_NODES_MAP[JJTTYPEDECLARATION] = ArlUtil.F_CROSS;
73 DEFAULT_NODES_MAP[JJTCLASSBODY] = ArlUtil.F_CROSS;
74 DEFAULT_NODES_MAP[JJTCLASSBODYDECLARATION] = ArlUtil.F_CROSS;
75 DEFAULT_NODES_MAP[JJTFIELDDECLARATION] = ArlUtil.F_REMOVE;
76 DEFAULT_NODES_MAP[JJTFORMALPARAMETERS] = ArlUtil.F_CROSS;
77 DEFAULT_NODES_MAP[JJTINITIALIZER] = ArlUtil.F_REMOVE;
78 DEFAULT_NODES_MAP[JJTBLOCK] = ArlUtil.F_REMOVE;
79 for (int i = 0; i <= SINGLE_LINE_COMMENT; i++) {
80 DEFAULT_TOKENS_MAP[i] = ArlUtil.F_REMOVE;
81 }
82 DEFAULT_TOKENS_MAP[MULTI_LINE_COMMENT] = ArlUtil.F_REMOVE;
83 DEFAULT_TOKENS_MAP[PACKAGE] = ArlUtil.F_REMOVE;
84 DEFAULT_TOKENS_MAP[LPAREN] = ArlUtil.F_REMOVE;
85 DEFAULT_TOKENS_MAP[RPAREN] = ArlUtil.F_REMOVE;
86 DEFAULT_TOKENS_MAP[LBRACE] = ArlUtil.F_REMOVE;
87 DEFAULT_TOKENS_MAP[RBRACE] = ArlUtil.F_REMOVE;
88 DEFAULT_TOKENS_MAP[SEMICOLON] = ArlUtil.F_REMOVE;
89 DEFAULT_TOKENS_MAP[COMMA] = ArlUtil.F_REMOVE;
90 DEFAULT_TOKENS_MAP[THROWS] = ArlUtil.F_REMOVE;
91 DEFAULT_TOKENS_MAP[IMPLEMENTS] = ArlUtil.F_REMOVE;
92 DEFAULT_TOKENS_MAP[EXTENDS] = ArlUtil.F_REMOVE;
93 _nodesMapCache.put("default", DEFAULT_NODES_MAP);
94 _tokensMapCache.put("default", DEFAULT_TOKENS_MAP);
95 }
96
97
100 protected JavaSourceToXML() {}
101
102
122 public static org.apache.xpath.NodeSet process(ExpressionContext context, String fileName) {
123 return process(XSLUtil.getContextDocument(context),
124 XSLUtil.evaluate(context, fileName), null, null, false);
125 }
126
127
148 public static org.apache.xpath.NodeSet process(ExpressionContext context,
149 String fileName,
150 boolean tokensPos) {
151 return process(XSLUtil.getContextDocument(context),
152 XSLUtil.evaluate(context, fileName), null, null, tokensPos);
153 }
154
155
185 public static org.apache.xpath.NodeSet process(ExpressionContext context,
186 String fileName,
187 String nodesArl,
188 String tokensArl) {
189 return process(XSLUtil.getContextDocument(context),
190 XSLUtil.evaluate(context, fileName),
191 XSLUtil.evaluate(context, nodesArl),
192 XSLUtil.evaluate(context, tokensArl), false);
193 }
194
195
226 public static org.apache.xpath.NodeSet process(ExpressionContext context,
227 String fileName,
228 String nodesArl,
229 String tokensArl,
230 boolean tokensPos) {
231 return process(XSLUtil.getContextDocument(context),
232 XSLUtil.evaluate(context, fileName),
233 XSLUtil.evaluate(context, nodesArl),
234 XSLUtil.evaluate(context, tokensArl), tokensPos);
235 }
236
237
248 protected static org.apache.xpath.NodeSet process(org.w3c.dom.Document doc,
249 String fileName,
250 String nodesArl,
251 String tokensArl,
252 boolean tokensPos) {
253 BufferedReader br = null;
254
255 try {
256 br = new BufferedReader (new FileReader (fileName));
257 if (JavaParser.token_source == null) {
258 new JavaParser(br);
259 } else {
260 JavaParser.ReInit(br);
261 }
262 SimpleNode sn = JavaParser.CompilationUnit();
263 org.w3c.dom.Node root = doc.createElement("unused");
264
265 sn.toNode(doc, root,
266 getMap(nodesArl, DEFAULT_NODES_MAP, _nodesMapCache),
267 getMap(tokensArl, DEFAULT_TOKENS_MAP, _tokensMapCache),
268 tokensPos);
269 return new org.apache.xpath.NodeSet(root.getChildNodes());
270 } catch (Exception e) {
271 throw new WrappedRuntimeException(e);
272 }
273 finally {
274 if (br != null) {
275 try {
276 br.close();
277 } catch (Exception e) {}
278 finally {
279 br = null;
280 }
281 }
282 }
283 }
284
285
295 protected static int[] getMap(String arl, int[] defaultMap, Hashtable cache) {
296 if (arl == null) {
297 return defaultMap;
298 }
299 int[] map = (int[]) (cache.get(arl));
300
301 if (map == null) {
302 map = ArlUtil.process(arl, new int[defaultMap.length]);
303 cache.put(arl, map);
304 }
305 return map;
306 }
307
308
352 public static org.apache.xpath.NodeSet parseJavadoc(ExpressionContext context, String comment) {
353 org.w3c.dom.Document doc = XSLUtil.getContextDocument(context);
354
355 try {
356 org.apache.xpath.NodeSet ns = new org.apache.xpath.NodeSet();
357 StringTokenizer sTok = new StringTokenizer (comment, "\n\r");
358
359 while (sTok.hasMoreTokens()) {
360 String line = sTok.nextToken();
361 boolean skip = false;
362
363 if (line.startsWith("/**")) {
364 line = line.substring(3);
365 skip = true;
366 }
367 if (line.endsWith("*/")) {
368 line = line.substring(0, line.length() - 2);
369 }
370 if (!skip) {
371 int iStar = -1;
372 boolean done = false;
373
374 for (int i = 0; !done && i < line.length(); i++) {
375 switch (line.charAt(i)) {
376 case ' ':
377 case '\t':
378 break;
379
380 case '*':
381 iStar = i;
382
383 default:
384 done = true;
385 break;
386 }
387 }
388 if (iStar != -1) {
389 line = line.substring(iStar + 1);
390 } else {
391 line = "";
392 }
393 }
394 if (line.length() > 0) {
395 org.w3c.dom.Element elt = doc.createElement("doc-line");
396
397 elt.appendChild(doc.createCDATASection(line));
398 ns.addElement(elt);
399 }
400 }
401 return ns;
402 } catch (org.w3c.dom.DOMException e) {
403 throw new WrappedRuntimeException(e);
404 }
405 }
406 }
407 |
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