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1
17 package org.eclipse.emf.ecore.xmi.impl;
18
19
20 import java.util.List  ;
21
22 import org.eclipse.emf.common.util.BasicEList;
23
24
25
34 public class XMLString extends StringSegment
35 {
36 protected List elementNames;
37
38 protected List mixed;
39
40 protected boolean isUnformatted;
41
42 protected boolean isMixed;
43
44 protected List indents;
45
46 protected int depth;
47
48 protected int lineWidth;
49
50 protected int markedLineWidth;
51
52 protected int currentLineWidth;
53
54 protected boolean lastElementIsStart;
55
56 protected Object firstElementMark;
57
58 protected boolean seenRoot;
59
60 protected boolean saveDoctype;
61
62 protected String publicId;
63
64 protected String systemId;
65
66 public XMLString()
67 {
68 this(80);
69 }
70
71 public XMLString(int lineWidth)
72 {
73 this(lineWidth, null);
74 }
75
76 public XMLString(int lineWidth, String temporaryFileName)
77 {
78 super(temporaryFileName);
79
80 this.lineWidth = lineWidth;
81 elementNames = new BasicEList();
82 mixed = new BasicEList();
83 indents = new BasicEList();
84 indents.add("");
85 }
86
87 public XMLString(int lineWidth, String publicId, String systemId)
88 {
89 this(lineWidth, publicId, systemId, null);
90 }
91
92 public XMLString(int lineWidth, String publicId, String systemId, String temporaryFileName)
93 {
94 this(lineWidth, temporaryFileName);
95 if (publicId != null || systemId != null)
96 {
97 saveDoctype = true;
98 this.publicId = publicId;
99 this.systemId = systemId;
100 }
101 }
102
103 public void setLineWidth(int lineWidth)
104 {
105 this.lineWidth = lineWidth;
106 }
107
108 public void reset(String publicId, String systemId, int lineWidth, String temporaryFileName)
109 {
110 super.reset();
111 setTemporaryFileName(temporaryFileName);
112 elementNames.clear();
113 mixed.clear();
114 indents.clear();
115 indents.add("");
116 if (publicId != null || systemId != null)
117 {
118 saveDoctype = true;
119 this.publicId = publicId;
120 this.systemId = systemId;
121 }
122 else
123 {
124 saveDoctype = false;
125 }
126 seenRoot = false;
127 lastElementIsStart = false;
128 isMixed = false;
129 isUnformatted = false;
130 depth = 0;
131 markedLineWidth = 0;
132 currentLineWidth = lineWidth;
133 firstElementMark = null;
134 }
135
136 public void startElement(String name)
137 {
138 if (lastElementIsStart)
139 {
140 closeStartElement();
141 }
142 elementNames.add(name);
143 if (name != null)
144 {
145 saveDoctype(name);
146 ++depth;
147 if (!isMixed)
148 {
149 add(getElementIndent());
150 }
151 add("<");
152 add(name);
153 if (firstElementMark == null)
154 {
155 firstElementMark = mark();
156 }
157 lastElementIsStart = true;
158 }
159 else if (!isMixed)
160 {
161 add(getElementIndent(1));
162 }
163
164 mixed.add(isMixed ? Boolean.TRUE : Boolean.FALSE);
165 isMixed = isUnformatted;
166 }
167
168 public void saveNilElement(String name)
169 {
170 if (lastElementIsStart)
171 {
172 closeStartElement();
173 }
174 saveDoctype(name);
175
176 ++depth;
177 if (!isMixed)
178 {
179 add(getElementIndent());
180 }
181 add("<");
182 add(name);
183 if (firstElementMark == null)
184 {
185 firstElementMark = mark();
186 }
187 if (currentLineWidth > lineWidth)
188 {
189 addLine();
190 add(getAttributeIndent());
191 }
192 else
193 {
194 add(" ");
195 }
196 add("xsi:nil=\"true\"/>");
197
198 --depth;
199
200 if (!isUnformatted && !isMixed)
201 {
202 addLine();
203 }
204 lastElementIsStart = false;
205 }
206
207 public void saveDataValueElement(String name, String content)
208 {
209 if (lastElementIsStart)
210 {
211 closeStartElement();
212 }
213 saveDoctype(name);
214
215 ++depth;
216 if (!isMixed)
217 {
218 add(getElementIndent());
219 }
220 add("<");
221 add(name);
222 if (firstElementMark == null)
223 {
224 firstElementMark = mark();
225 }
226
227 add(">");
228 add(content);
229 add("</");
230
231 --depth;
232 add(name);
233 add(">");
234 if (!isUnformatted && !isMixed)
235 {
236 addLine();
237 }
238 lastElementIsStart = false;
239 }
240
241 final protected void saveDoctype(String name)
242 {
243 if (!seenRoot)
244 {
245 seenRoot = true;
246 if (saveDoctype)
248 {
249 add("<!DOCTYPE ");
250 add(name);
251 if (publicId != null)
252 {
253 add(" PUBLIC \"");
254 add(publicId);
255 add("\" ");
256 add("\"");
257 add(systemId);
258 add("\">");
259 }
260 else if (systemId != null)
261 {
262 add(" SYSTEM \"");
263 add(systemId);
264 add("\">");
265 }
266 else
267 {
268 add(">");
269 }
270
271 addLine();
272 }
273 }
274 }
275
276 public void setMixed(boolean isMixed)
277 {
278 this.isMixed = isMixed;
279 }
280
281 public void setUnformatted(boolean isUnformatted)
282 {
283 this.isUnformatted = isUnformatted;
284 }
285
286 public void addAttribute(String name, String value)
287 {
288 if (currentLineWidth > lineWidth)
289 {
290 addLine();
291 add(getAttributeIndent());
292 }
293 else
294 {
295 add(" ");
296 }
297 add(name);
298 add("=\"");
299 add(value);
300 add("\"");
301 }
302
303 public void addAttributeNS(String prefix, String localName, String value)
304 {
305 if (currentLineWidth > lineWidth)
306 {
307 addLine();
308 add(getAttributeIndent());
309 }
310 else
311 {
312 add(" ");
313 }
314 add(prefix);
315 add(":");
316 add(localName);
317 add("=\"");
318 add(value);
319 add("\"");
320 }
321
322 public void startAttribute(String name)
323 {
324 if (currentLineWidth > lineWidth)
325 {
326 addLine();
327 add(getAttributeIndent());
328 }
329 else
330 {
331 add(" ");
332 }
333 add(name);
334 add("=\"");
335 }
336
337 public void addAttributeContent(String content)
338 {
339 add(content);
340 }
341
342 public void endAttribute()
343 {
344 add("\"");
345 }
346
347 protected void closeStartElement()
348 {
349 add(">");
350 if (!isMixed)
351 {
352 addLine();
353 }
354 lastElementIsStart = false;
355 }
356
357 public void endEmptyElement()
358 {
359 removeLast();
360 add("/>");
361 if (!isMixed)
362 {
363 addLine();
364 }
365 lastElementIsStart = false;
366 }
367
368 public void endContentElement(String content)
369 {
370 add(">");
371 add(content);
372 add("</");
373 String name = removeLast();
374 add(name);
375 add(">");
376 if (!isMixed)
377 {
378 addLine();
379 }
380 lastElementIsStart = false;
381 }
382
383 public void endElement()
384 {
385 if (lastElementIsStart)
386 {
387 endEmptyElement();
388 }
389 else
390 {
391 boolean wasMixed = isMixed;
392 String name = removeLast();
393 if (name != null)
394 {
395 if (!wasMixed)
396 {
397 add(getElementIndent(1));
398 }
399 add("</");
400 add(name);
401 add(">");
402
403 if (!isMixed)
404 {
405 addLine();
406 }
407 }
408 }
409 }
410
411 protected String removeLast()
412 {
413 int end = elementNames.size();
414 isMixed = ((Boolean )mixed.remove(end - 1)).booleanValue();
415 String result = (String )elementNames.remove(end - 1);
416 if (result != null)
417 {
418 --depth;
419 }
420 return result;
421 }
422
423 protected String getElementIndent()
424 {
425 return getElementIndent(0);
426 }
427
428 protected String getElementIndent(int extra)
429 {
430 int nesting = depth + extra - 1;
431 for (int i = indents.size() - 1; i < nesting; ++i)
432 {
433 indents.add(indents.get(i) + " ");
434 }
435 return (String )indents.get(nesting);
436 }
437
438 protected String getAttributeIndent()
439 {
440 int nesting = depth + 1;
441 for (int i = indents.size() - 1; i < nesting; ++i)
442 {
443 indents.add(indents.get(i) + " ");
444 }
445 return (String )indents.get(nesting);
446 }
447
448 public void addText(String newString)
449 {
450 if (lastElementIsStart)
451 {
452 closeStartElement();
453 }
454
455 if (lineWidth != Integer.MAX_VALUE)
456 {
457 currentLineWidth += newString.length();
458 LOOP: for (int i = newString.length() - 1; i >= 0; --i)
459 {
460 switch (newString.charAt(i))
461 {
462 case '\n':
463 case '\r':
464 {
465 currentLineWidth = newString.length() - i;
466 break LOOP;
467 }
468 }
469 }
470 }
471
472 super.add(newString);
473 }
474
475 public void addCDATA(String newString)
476 {
477 if (lastElementIsStart)
478 {
479 closeStartElement();
480 }
481
482 add("<![CDATA[");
483 if (lineWidth != Integer.MAX_VALUE)
484 {
485 currentLineWidth += newString.length();
486 LOOP: for (int i = newString.length() - 1; i >= 0; --i)
487 {
488 switch (newString.charAt(i))
489 {
490 case '\n':
491 case '\r':
492 {
493 currentLineWidth = newString.length() - i;
494 break LOOP;
495 }
496 }
497 }
498 }
499
500 super.add(newString);
501 add("]]>");
502 }
503
504 public void addComment(String newString)
505 {
506 if (lastElementIsStart)
507 {
508 closeStartElement();
509 }
510
511 if (firstElementMark != null && elementNames.isEmpty())
512 {
513 addLine();
514 }
515 add("<!--");
516 if (lineWidth != Integer.MAX_VALUE)
517 {
518 currentLineWidth += newString.length();
519 LOOP: for (int i = newString.length() - 1; i >= 0; --i)
520 {
521 switch (newString.charAt(i))
522 {
523 case '\n':
524 case '\r':
525 {
526 currentLineWidth = newString.length() - i;
527 break LOOP;
528 }
529 }
530 }
531 }
532
533 super.add(newString);
534 add("-->");
535 if (firstElementMark == null)
536 {
537 addLine();
538 }
539 }
540
541 public void add(String newString)
542 {
543 if (lineWidth != Integer.MAX_VALUE)
546 {
547 currentLineWidth += newString.length();
548 }
549 super.add(newString);
550 }
551
552 public void addLine()
553 {
554 super.addLine();
555 currentLineWidth = 0;
556 }
557
558 public Object mark()
559 {
560 markedLineWidth = currentLineWidth;
561 currentLineWidth = lineWidth - 2;
562 return super.mark();
563 }
564
565 public void resetToMark(Object mark)
566 {
567 if (mark == null)
568 {
569 mark = firstElementMark;
570 }
571
572 super.resetToMark(mark);
573
574 ++depth;
578
579 currentLineWidth = markedLineWidth;
580 }
581 }
582 |
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