188 |
return(getRunLimit(s)); |
return(getRunLimit(s)); |
189 |
} |
} |
190 |
|
|
191 |
public synchronized int getRunLimit(Set attribute_set) |
public synchronized int getRunLimit(Set attributeSet) |
192 |
{ |
{ |
193 |
boolean hit = false; |
if (attributeSet == null) |
194 |
int runLimit = ci.getEndIndex (); |
return ci.getEndIndex(); |
195 |
int pos = ci.getIndex (); |
|
196 |
|
int current = ci.getIndex(); |
197 |
for (int i = 0; i < attribs.length; ++i) |
int end = ci.getEndIndex(); |
198 |
|
int limit = current; |
199 |
|
if (current == end) |
200 |
|
return end; |
201 |
|
Map runValues = getAttributes(); |
202 |
|
while (limit < end) |
203 |
|
{ |
204 |
|
Iterator iterator = attributeSet.iterator(); |
205 |
|
while (iterator.hasNext()) |
206 |
{ |
{ |
207 |
if (pos >= attribs[i].begin_index && |
Attribute attributeKey = (Attribute) iterator.next(); |
208 |
pos < attribs[i].end_index) |
Object v1 = runValues.get(attributeKey); |
209 |
|
Object v2 = getAttribute(attributeKey, limit + 1); |
210 |
|
boolean changed = false; |
211 |
|
// check for equal or both null, if NO return start |
212 |
|
if (v1 != null) |
213 |
|
{ |
214 |
|
changed = !v1.equals(v2); |
215 |
|
} |
216 |
|
else |
217 |
{ |
{ |
218 |
Iterator iter = attribute_set.iterator(); |
changed = (v2 != null); |
|
while(iter.hasNext()) |
|
|
if (attribs[i].attribs.containsKey(iter.next())) |
|
|
{ |
|
|
hit = true; |
|
|
runLimit = Math.min(runLimit, attribs[i].end_index); |
|
|
} |
|
219 |
} |
} |
220 |
|
if (changed) |
221 |
|
return limit + 1; |
222 |
} |
} |
223 |
if (hit) |
// no differences, so increment limit and next and loop again |
224 |
return runLimit; |
limit++; |
225 |
else |
} |
226 |
return ci.getEndIndex(); |
return end; |
227 |
} |
} |
228 |
|
|
229 |
/*************************************************************************/ |
/*************************************************************************/ |
233 |
* attribute combinations. |
* attribute combinations. |
234 |
*/ |
*/ |
235 |
|
|
236 |
|
/** |
237 |
|
* Returns the index of the first character in the run containing the current |
238 |
|
* character and defined by all the attributes defined for that character |
239 |
|
* position. |
240 |
|
* |
241 |
|
* @return The run start index. |
242 |
|
*/ |
243 |
public int getRunStart() |
public int getRunStart() |
244 |
{ |
{ |
245 |
return(getRunStart(getAttributes().keySet())); |
return(getRunStart(getAttributes().keySet())); |
246 |
} |
} |
247 |
|
|
248 |
|
/** |
249 |
|
* Returns the index of the first character in the run, defined by the |
250 |
|
* specified attribute, that contains the current character. |
251 |
|
* |
252 |
|
* @param attrib the attribute (<code>null</code> permitted). |
253 |
|
* |
254 |
|
* return The index of the first character in the run. |
255 |
|
*/ |
256 |
public int getRunStart(AttributedCharacterIterator.Attribute attrib) |
public int getRunStart(AttributedCharacterIterator.Attribute attrib) |
257 |
{ |
{ |
258 |
|
if (attrib == null) |
259 |
|
return ci.getBeginIndex(); |
260 |
HashSet s = new HashSet(); |
HashSet s = new HashSet(); |
261 |
s.add(attrib); |
s.add(attrib); |
|
|
|
262 |
return(getRunStart(s)); |
return(getRunStart(s)); |
263 |
} |
} |
264 |
|
|
265 |
public int getRunStart(Set attribute_set) |
/** |
266 |
|
* Returns the index of the first character in the run, defined by the |
267 |
|
* specified attribute set, that contains the current character. |
268 |
|
* |
269 |
|
* @param attributeSet the attribute set (<code>null</code> permitted). |
270 |
|
* |
271 |
|
* return The index of the first character in the run. |
272 |
|
*/ |
273 |
|
public int getRunStart(Set attributeSet) |
274 |
{ |
{ |
275 |
boolean hit = false; |
if (attributeSet == null) |
276 |
int runBegin = 0; |
return ci.getBeginIndex(); |
277 |
int pos = ci.getIndex(); |
|
278 |
|
int current = ci.getIndex(); |
279 |
for (int i = 0; i < attribs.length; ++i) |
int begin = ci.getBeginIndex(); |
280 |
|
int start = current; |
281 |
|
if (start == begin) |
282 |
|
return begin; |
283 |
|
Map runValues = getAttributes(); |
284 |
|
int prev = start - 1; |
285 |
|
while (start > begin) |
286 |
|
{ |
287 |
|
Iterator iterator = attributeSet.iterator(); |
288 |
|
while (iterator.hasNext()) |
289 |
{ |
{ |
290 |
if (pos >= attribs[i].begin_index && |
Attribute attributeKey = (Attribute) iterator.next(); |
291 |
pos <= attribs[i].end_index) |
Object v1 = runValues.get(attributeKey); |
292 |
|
Object v2 = getAttribute(attributeKey, prev); |
293 |
|
boolean changed = false; |
294 |
|
// check for equal or both null, if NO return start |
295 |
|
if (v1 != null) |
296 |
|
{ |
297 |
|
changed = !v1.equals(v2); |
298 |
|
} |
299 |
|
else |
300 |
{ |
{ |
301 |
Iterator iter = attribute_set.iterator(); |
changed = (v2 != null); |
|
while(iter.hasNext()) |
|
|
if (attribs[i].attribs.containsKey(iter.next())) |
|
|
{ |
|
|
hit = true; |
|
|
runBegin = Math.max(runBegin, attribs[i].begin_index); |
|
|
} |
|
302 |
} |
} |
303 |
|
if (changed) |
304 |
|
return start; |
305 |
} |
} |
306 |
if (hit) |
// no differences, so decrement start and prev and loop again |
307 |
return runBegin; |
start--; |
308 |
else |
prev--; |
309 |
return -1; |
} |
310 |
|
return start; |
311 |
} |
} |
312 |
|
|
313 |
/*************************************************************************/ |
/*************************************************************************/ |
314 |
|
|
315 |
public Object getAttribute(AttributedCharacterIterator.Attribute attrib) |
/** |
316 |
|
* Returns the value for an attribute at the specified position. If the |
317 |
|
* attribute key (<code>key</code>) is <code>null</code>, the method returns |
318 |
|
* <code>null</code>. |
319 |
|
* |
320 |
|
* @param key the key (<code>null</code> permitted). |
321 |
|
* @param pos the character position. |
322 |
|
* |
323 |
|
* @return The attribute value (possibly <code>null</code>). |
324 |
|
*/ |
325 |
|
private Object getAttribute(AttributedCharacterIterator.Attribute key, |
326 |
|
int pos) |
327 |
{ |
{ |
328 |
if (attribs == null) |
if (attribs == null) |
329 |
return(null); |
return null; |
330 |
|
for (int i = attribs.length - 1; i >= 0; i--) |
|
for (int i = 0; i < attribs.length; i++) |
|
331 |
{ |
{ |
332 |
Set key_set = attribs[i].attribs.keySet(); |
if (pos >= attribs[i].begin_index && pos < attribs[i].end_index) |
|
Iterator iter = key_set.iterator(); |
|
|
while (iter.hasNext()) |
|
333 |
{ |
{ |
334 |
Object obj = iter.next(); |
Set keys = attribs[i].attribs.keySet(); |
335 |
|
if (keys.contains(key)) |
336 |
// Check for attribute match and range match |
{ |
337 |
if (obj.equals(attrib)) |
return attribs[i].attribs.get(key); |
338 |
if ((ci.getIndex() >= attribs[i].begin_index) && |
} |
|
(ci.getIndex() < attribs[i].end_index)) |
|
|
return(attribs[i].attribs.get(obj)); |
|
339 |
} |
} |
340 |
} |
} |
341 |
|
return null; |
342 |
return(null); |
} |
343 |
|
|
344 |
|
/** |
345 |
|
* Returns the value for an attribute at the current position. If the |
346 |
|
* attribute key (<code>key</code>) is <code>null</code>, the method returns |
347 |
|
* <code>null</code>. |
348 |
|
* |
349 |
|
* @param key the key (<code>null</code> permitted). |
350 |
|
* |
351 |
|
* @return The attribute value (possibly <code>null</code>). |
352 |
|
*/ |
353 |
|
public Object getAttribute(AttributedCharacterIterator.Attribute key) |
354 |
|
{ |
355 |
|
return getAttribute(key, ci.getIndex()); |
356 |
} |
} |
357 |
|
|
358 |
/*************************************************************************/ |
/*************************************************************************/ |