-
-
Notifications
You must be signed in to change notification settings - Fork 1.5k
Expand file tree
/
Copy pathAutoFormat.java
More file actions
860 lines (730 loc) · 23.6 KB
/
Copy pathAutoFormat.java
File metadata and controls
860 lines (730 loc) · 23.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Original Copyright (c) 1997, 1998 Van Di-Han HO. All Rights Reserved.
Updates Copyright (c) 2001 Jason Pell.
Further updates Copyright (c) 2003 Martin Gomez, Ateneo de Manila University
Additional updates Copyright (c) 2005-10 Ben Fry and Casey Reas
Even more updates Copyright (c) 2014 George Bateman
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 2.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package processing.mode.java;
import java.util.Stack;
import java.util.regex.Pattern;
import processing.app.Formatter;
import processing.app.Preferences;
import processing.core.PApplet;
/**
* Handler for dealing with auto format.
* Contributed by Martin Gomez, additional bug fixes by Ben Fry.
* Additional fixes by Jonathan Feinberg in March 2010.
* <p/>
* After some further digging, this code in fact appears to be a modified
* version of Jason Pell's GPLed "Java Beautifier" class found
* <a href="http://web.archive.org/web/20091018220353/http://geocities.com/jasonpell/programs.html">here</a>,
* which is itself based on code from Van Di-Han Ho from
* <a href="http://web.archive.org/web/20091027043013/http://www.geocities.com/~starkville/vancbj_idx.html">here</a>.
* [Ben Fry, August 2009]
*/
public class AutoFormat implements Formatter {
private char[] chars;
private final StringBuilder buf = new StringBuilder();
private final StringBuilder result = new StringBuilder();
/** The number of spaces in one indent. Constant. */
private int indentValue;
/** Set when the end of the chars array is reached. */
private boolean EOF;
private boolean inStatementFlag; // in a line of code
private boolean overflowFlag; // line overrunning?
private boolean startFlag; // No buf has yet been writen to this line.
private boolean if_flg;
private boolean elseFlag;
/** -1 if not in array or if just after it, otherwise increases from 0. */
private int arrayLevel;
private int arrayIndent; // Lowest value of the above for this line.
/** Number of ? entered without exiting at : of a?b:c structures. */
private int conditionalLevel;
private int[][] sp_flg;
private boolean[][] s_ind;
private int if_lev;
/** chars[pos] is where we're at. */
private int pos;
private int level;
/** Number of curly brackets entered and not exited,
excluding arrays. */
private int curlyLvl;
/** Number of parentheses entered and not exited. */
private int parenLevel;
private boolean[] ind;
private int[] p_flg;
private int[][] s_tabs;
/** At every {, this has a true pushed if it's a do-while,
and a false otherwise. It is then popped at }. */
private Stack<Boolean> doWhileFlags;
/** At every (, this has a true pushed for if, while, or for,
and a false otherwise. Popped at ). */
private Stack<Boolean> ifWhileForFlags;
private boolean jdoc_flag;
/** The number of times to indent at a given point */
private int tabs;
/** The last non-space seen by nextChar(). */
private char lastNonWhitespace = 0;
private void handleMultiLineComment() {
final boolean savedStartFlag = startFlag;
buf.append(nextChar()); // So /*/ isn't self-closing.
for (char ch = nextChar(); !EOF; ch = nextChar()) {
buf.append(ch);
while (ch != '/' && !EOF) {
if (ch == '\n') {
writeIndentedComment();
startFlag = true;
}
buf.append(ch = nextChar());
}
if (buf.length() >= 2 && buf.charAt(buf.length() - 2) == '*') {
jdoc_flag = false;
break;
}
}
writeIndentedComment();
startFlag = savedStartFlag;
jdoc_flag = false;
return;
}
/**
* Pumps nextChar into buf until \n or EOF, then calls
* writeIndentedLine() and sets startFlag to true.
*/
private void handleSingleLineComment() {
char ch = nextChar();
while (ch != '\n' && !EOF) {
buf.append(ch);
ch = nextChar();
}
writeIndentedLine();
startFlag = true;
}
private void writeIndentedLine() {
if (buf.length() == 0) {
if (startFlag) startFlag = elseFlag = false;
return;
}
if (startFlag) {
// Indent suppressed at eg. if<nl>{ and when
// buf is close-brackets only followed by ';'.
boolean indentMore = !buf.toString().matches("[\\s\\]\\}\\)]+;")
&& (buf.charAt(0) != '{' || arrayLevel >= 0)
&& overflowFlag;
if (indentMore) {
tabs++;
if (arrayIndent > 0) tabs += arrayIndent;
}
printIndentation();
startFlag = false;
if (indentMore) {
tabs--;
if (arrayIndent > 0) tabs -= arrayIndent;
}
}
if (lastNonSpaceChar() == '}' && bufStarts("else")) {
result.append(' ');
}
if (elseFlag) {
if (lastNonSpaceChar() == '}') {
trimRight(result);
result.append(' ');
}
elseFlag = false;
}
// If we're still in a statement at \n, that's overflow.
overflowFlag = inStatementFlag;
arrayIndent = arrayLevel;
result.append(buf);
buf.setLength(0);
}
/**
* @return the last character in <tt>result</tt> not ' ' or '\n'.
*/
private char lastNonSpaceChar() {
for (int i = result.length() - 1; i >= 0; i--) {
char chI = result.charAt(i);
if (chI != ' ' && chI != '\n') return chI;
}
return 0;
}
/**
* Called by handleMultilineComment.<br />
* Sets jdoc_flag if at the start of a doc comment.
* Sends buf to result with proper indents, then clears buf.<br />
* Does nothing if buf is empty.
*/
private void writeIndentedComment() {
if (buf.length() == 0) return;
int firstNonSpace = 0;
while (buf.charAt(firstNonSpace) == ' ') firstNonSpace++;
if (lookup_com("/**")) jdoc_flag = true;
if (startFlag) printIndentation();
if (buf.charAt(firstNonSpace) == '/' && buf.charAt(firstNonSpace+1) == '*') {
if (startFlag && lastNonWhitespace != ';') {
result.append(buf.substring(firstNonSpace));
} else {
result.append(buf);
}
} else {
if (buf.charAt(firstNonSpace) == '*' || !jdoc_flag) {
result.append(" " + buf.substring(firstNonSpace));
} else {
result.append(" * " + buf.substring(firstNonSpace));
}
}
buf.setLength(0);
}
/**
* Makes tabs >= 0 and appends <tt>tabs*indentValue</tt>
* spaces to result.
*/
private void printIndentation() {
if (tabs <= 0) {
tabs = 0;
return;
}
final int spaces = tabs * indentValue;
for (int i = 0; i < spaces; i++) {
result.append(' ');
}
}
/**
* @return <tt>chars[pos+1]</tt> or '\0' if out-of-bounds.
*/
private char peek() {
return (pos + 1 >= chars.length) ? 0 : chars[pos + 1];
}
/**
* Sets pos to the position of the next character that is not ' '
* in chars. If chars[pos] != ' ' already, it will still move on.
* Then sets EOF if pos has reached the end, or reverses pos by 1 if it
* has not.
* <br/> Does nothing if EOF.
* @param allWsp (boolean) Eat newlines too (all of Character.isWhiteSpace()).
*/
private void advanceToNonSpace(boolean allWsp) {
if (EOF) return;
if (allWsp) {
do {
pos++;
} while (pos < chars.length && Character.isWhitespace(chars[pos]));
} else {
do {
pos++;
} while (pos < chars.length && chars[pos] == ' ');
}
if (pos == chars.length - 1) {
EOF = true;
} else {
pos--; // reset for nextChar()
}
}
/**
* Increments pos, sets EOF if needed, and returns the new
* chars[pos] or zero if out-of-bounds.
* Sets lastNonWhitespace if chars[pos] isn't whitespace.
* Does nothing and returns zero if already at EOF.
*/
private char nextChar() {
if (EOF) return 0;
pos++;
if (pos >= chars.length - 1) EOF = true;
if (pos >= chars.length) return 0;
char retVal = chars[pos];
if (!Character.isWhitespace(retVal)) lastNonWhitespace = retVal;
return retVal;
}
/**
* Called after else.
*/
private void gotElse() {
tabs = s_tabs[curlyLvl][if_lev];
p_flg[level] = sp_flg[curlyLvl][if_lev];
ind[level] = s_ind[curlyLvl][if_lev];
if_flg = true;
// We can't expect else to be followed by a semicolon, so must
// end the statemant manually.
inStatementFlag = false;
}
/**
* Pump any '\t' and ' ' to buf, handle any following comment,
* and if the next character is '\n', discard it.
* @return Whether a '\n' was found and discarded.
*/
private boolean readForNewLine() {
final int savedTabs = tabs;
char c = peek();
while (!EOF && (c == '\t' || c == ' ')) {
buf.append(nextChar());
c = peek();
}
if (c == '/') {
buf.append(nextChar());
c = peek();
if (c == '*') {
buf.append(nextChar());
handleMultiLineComment();
} else if (c == '/') {
buf.append(nextChar());
handleSingleLineComment();
return true;
}
}
c = peek();
if (c == '\n') {
// eat it
nextChar();
tabs = savedTabs;
return true;
}
return false;
}
/**
* @return last non-wsp in result+buf, or 0 on error.
*/
private char prevNonWhitespace() {
StringBuffer tot = new StringBuffer();
tot.append(result);
tot.append(buf);
for (int i = tot.length()-1; i >= 0; i--) {
if (!Character.isWhitespace(tot.charAt(i)))
return tot.charAt(i);
}
return 0;
}
/**
* Sees if buf is of the form [optional whitespace][keyword][optional anything].
* It won't allow keyword to be directly followed by an alphanumeric, _, or &.
* Will be different if keyword contains regex codes.
*/
private boolean bufStarts(final String keyword) {
return Pattern.matches("^\\s*" + keyword + "(?![a-zA-Z0-9_&]).*$", buf);
}
/**
* Sees if buf is of the form [optional anything][keyword][optional whitespace].
* It won't allow keyword to be directly preceded by an alphanumeric, _, or &.
* Will be different if keyword contains regex codes.
*/
private boolean bufEnds(final String keyword) {
return Pattern.matches("^.*(?<![a-zA-Z0-9_&])" + keyword + "\\s*$", buf);
}
/**
* Allows you to increase if_lev safely. Enlarges related arrays where needed;
* does not change if_lev itself.
*/
private void if_levSafe() {
if (s_tabs[0].length <= if_lev) {
for (int i = 0; i < s_tabs.length; i++) {
s_tabs[i] = PApplet.expand(s_tabs[i]);
}
}
if (sp_flg[0].length <= if_lev) {
for (int i = 0; i < sp_flg.length; i++) {
sp_flg[i] = PApplet.expand(sp_flg[i]);
}
}
if (s_ind[0].length <= if_lev) {
for (int i = 0; i < s_ind.length; i++) {
s_ind[i] = PApplet.expand(s_ind[i]);
}
}
}
/**
* Sees if buf is of the form [optional whitespace][keyword][optional anything].
* It *will* allow keyword to be directly followed by an alphanumeric, _, or &.
* Will be different if keyword contains regex codes (except *, which is fine).
*/
private boolean lookup_com(final String keyword) {
final String regex = "^\\s*" + keyword.replace("*", "\\*") + ".*$";
return Pattern.matches(regex, buf);
}
/**
* Takes all whitespace off the end of its argument.
*/
static private void trimRight(final StringBuilder sb) {
while (sb.length() >= 1 && Character.isWhitespace(sb.charAt(sb.length() - 1))) {
sb.setLength(sb.length() - 1);
}
}
/** Entry point */
public String format(final String source) {
final String normalizedText = source.replaceAll("\r", "");
String cleanText = normalizedText;
if (!normalizedText.endsWith("\n")) {
cleanText += "\n";
}
// Globals' description at top of file.
result.setLength(0);
indentValue = Preferences.getInteger("editor.tabs.size");
boolean forFlag = if_flg = false;
startFlag = true;
int forParenthLevel = 0;
conditionalLevel = parenLevel = curlyLvl = if_lev = level = 0;
tabs = 0;
jdoc_flag = inStatementFlag = overflowFlag = false;
pos = arrayLevel = -1;
int[] s_level = new int[10];
sp_flg = new int[20][10];
s_ind = new boolean[20][10];
int[] s_if_lev = new int[10]; // Stack
boolean[] s_if_flg = new boolean[10]; // Stack
ind = new boolean[10];
p_flg = new int[10];
s_tabs = new int[20][10];
doWhileFlags = new Stack<>();
ifWhileForFlags = new Stack<>();
chars = cleanText.toCharArray();
EOF = false; // set in nextChar() when EOF
while (!EOF) {
char c = nextChar();
switch (c) {
default:
inStatementFlag = true;
buf.append(c);
break;
case ',':
inStatementFlag = true;
trimRight(buf);
buf.append(", ");
advanceToNonSpace(false);
break;
case ' ':
case '\t':
elseFlag = bufEnds("else");
if (elseFlag) {
gotElse();
if (!startFlag || buf.length() > 0) {
buf.append(c);
}
writeIndentedLine();
startFlag = false;
break;
}
// Only allow in the line, to nuke the old indent.
if (!startFlag || buf.length() > 0) buf.append(c);
break;
case '\n':
if (EOF) break;
elseFlag = bufEnds("else");
if (elseFlag) gotElse();
if (lookup_com("//")) {
if (buf.charAt(buf.length() - 1) == '\n') {
buf.setLength(buf.length() - 1);
}
}
if (elseFlag) {
writeIndentedLine();
result.append("\n");
p_flg[level]++;
tabs++;
} else {
writeIndentedLine();
result.append("\n");
}
startFlag = true;
break;
case '{':
elseFlag = bufEnds("else");
if (elseFlag) gotElse();
doWhileFlags.push(Boolean.valueOf(bufEnds("do")));
char prevChar = prevNonWhitespace();
if (arrayLevel >= 0 || prevChar == '=' || prevChar == ']') {
// If we're already in an array (lvl >= 0), increment level.
// Otherwise, the presence of a = or ] indicates an array is starting
// and we should start counting (set lvl=0).
arrayLevel++;
buf.append(c);
break; // Nothing fancy.
}
inStatementFlag = false; // eg. class declaration ends
if (s_if_lev.length == curlyLvl) {
s_if_lev = PApplet.expand(s_if_lev);
s_if_flg = PApplet.expand(s_if_flg);
}
s_if_lev[curlyLvl] = if_lev;
s_if_flg[curlyLvl] = if_flg;
if_lev = 0;
if_flg = false;
curlyLvl++;
if (startFlag && p_flg[level] != 0) {
p_flg[level]--;
tabs--;
}
trimRight(buf);
if (buf.length() > 0 || (result.length() > 0 &&
!Character.isWhitespace(result.charAt(result.length() - 1)))) {
buf.append(" ");
}
buf.append(c);
writeIndentedLine();
readForNewLine();
writeIndentedLine();
result.append('\n');
tabs++;
startFlag = true;
if (p_flg[level] > 0) {
ind[level] = true;
level++;
s_level[level] = curlyLvl;
}
break;
case '}':
if (arrayLevel >= 0) {
// Even less fancy. Note that }s cannot end array behaviour;
// a semicolon is needed.
if (arrayLevel > 0) arrayLevel--;
if (arrayIndent > arrayLevel) arrayIndent = arrayLevel;
buf.append(c);
break;
}
// In a simple enum, there's not necessarily a `;` to end the statement.
inStatementFlag = false;
curlyLvl--;
if (curlyLvl < 0) {
curlyLvl = 0;
buf.append(c);
writeIndentedLine();
} else {
if_lev = s_if_lev[curlyLvl] - 1;
if (if_lev < 0) if_lev = 0;
if_levSafe();
if_flg = s_if_flg[curlyLvl];
trimRight(buf);
writeIndentedLine();
tabs--;
trimRight(result);
result.append('\n');
overflowFlag = false; // Would normally be done in writeIndentedLine.
printIndentation();
result.append(c);
if (peek() == ';') result.append(nextChar());
// doWhileFlags contains a TRUE if and only if the
// corresponding { was preceeded (bufEnds) by "do".
// Just checking for while would fail on if(){} while(){}.
if (doWhileFlags.empty() || !doWhileFlags.pop().booleanValue()
|| !new String(chars, pos+1, chars.length-pos-1).trim().startsWith("while")) {
readForNewLine();
writeIndentedLine();
result.append('\n');
startFlag = true;
} else {
// Correct spacing in "} while".
result.append(' ');
advanceToNonSpace(true);
startFlag = false;
}
if (curlyLvl < s_level[level] && level > 0) level--;
if (ind[level]) {
tabs -= p_flg[level];
p_flg[level] = 0;
ind[level] = false;
}
}
break;
case '"':
case '“':
case '”':
case '\'':
case '‘':
case '’':
inStatementFlag = true;
char realQuote = c;
if (c == '“' || c == '”') realQuote = '"';
if (c == '‘' || c == '’') realQuote = '\'';
buf.append(realQuote);
char otherQuote = c;
if (c == '“') otherQuote = '”';
if (c == '”') otherQuote = '“';
if (c == '‘') otherQuote = '’';
if (c == '’') otherQuote = '‘';
char cc = nextChar();
// In a proper string, all the quotes tested are c. In a curly-quoted
// string, there are three possible end quotes: c, its reverse, and
// the correct straight quote.
while (!EOF && cc != otherQuote && cc != realQuote && cc != c) {
buf.append(cc);
if (cc == '\\') {
buf.append(cc = nextChar());
}
// Syntax error: unterminated string. Leave \n in nextChar, so it
// feeds back into the loop.
if (peek() == '\n') break;
cc = nextChar();
}
if (cc == otherQuote || cc == realQuote || cc == c) {
buf.append(realQuote);
if (readForNewLine()) {
// push a newline into the stream
chars[pos--] = '\n';
}
} else {
// We've had a syntax error if the string wasn't terminated by EOL/
// EOF, just abandon this statement.
inStatementFlag = false;
}
break;
case ';':
if (forFlag) {
// This is like a comma.
trimRight(buf);
buf.append("; ");
// Not non-whitespace: allow \n.
advanceToNonSpace(false);
break;
}
buf.append(c);
inStatementFlag = false;
writeIndentedLine();
if (p_flg[level] > 0 && !ind[level]) {
tabs -= p_flg[level];
p_flg[level] = 0;
}
readForNewLine();
writeIndentedLine();
result.append("\n");
startFlag = true;
// Array behaviour ends at the end of a statement.
arrayLevel = -1;
if (if_lev > 0) {
if (if_flg) {
if_lev--;
if_flg = false;
} else {
if_lev = 0;
}
}
break;
case '\\':
buf.append(c);
buf.append(nextChar());
break;
case '?':
conditionalLevel++;
buf.append(c);
break;
case ':':
// Java 8 :: operator.
if (peek() == ':') {
result.append(c).append(nextChar());
break;
}
// End a?b:c structures.
else if (conditionalLevel > 0) {
conditionalLevel--;
buf.append(c);
break;
}
else if (forFlag) {
trimRight(buf);
buf.append(" : ");
// Not to non-whitespace: allow \n.
advanceToNonSpace(false);
break;
}
buf.append(c);
inStatementFlag = false;
arrayLevel = -1; // Unlikely to be needed; just in case.
// Same format for case, default, and other labels.
if (tabs > 0) {
tabs--;
writeIndentedLine();
tabs++;
} else {
writeIndentedLine();
}
readForNewLine();
writeIndentedLine();
result.append('\n');
startFlag = true;
break;
case '/':
final char next = peek();
if (next == '/') {
// call nextChar to move on.
buf.append(c).append(nextChar());
handleSingleLineComment();
result.append("\n");
} else if (next == '*') {
if (buf.length() > 0) {
writeIndentedLine();
}
buf.append(c).append(nextChar());
handleMultiLineComment();
} else {
buf.append(c);
}
break;
case ')':
parenLevel--;
// If we're further back than the start of a for loop, we've
// left it.
if (forFlag && forParenthLevel > parenLevel) forFlag = false;
if (parenLevel < 0) parenLevel = 0;
buf.append(c);
boolean wasIfEtc = !ifWhileForFlags.empty() && ifWhileForFlags.pop().booleanValue();
if (wasIfEtc) {
inStatementFlag = false;
arrayLevel = -1; // This is important as it allows arrays in if statements.
}
writeIndentedLine();
// Short-circuiting means readForNewLine is only called for if/while/for;
// this is important.
if (wasIfEtc && readForNewLine()) {
chars[pos] = '\n';
pos--; // Make nextChar() return the new '\n'.
if (parenLevel == 0) {
p_flg[level]++;
tabs++;
ind[level] = false;
}
}
break;
case '(':
final boolean isFor = bufEnds("for");
final boolean isIf = bufEnds("if");
if (isFor || isIf || bufEnds("while")) {
if (!Character.isWhitespace(buf.charAt(buf.length() - 1))) {
buf.append(' ');
}
ifWhileForFlags.push(true);
} else {
ifWhileForFlags.push(false);
}
buf.append(c);
parenLevel++;
// isFor says "Is it the start of a for?". If it is, we set forFlag and
// forParenthLevel. If it is not parenth_lvl was incremented above and
// that's it.
if (isFor && !forFlag) {
forParenthLevel = parenLevel;
forFlag = true;
} else if (isIf) {
writeIndentedLine();
s_tabs[curlyLvl][if_lev] = tabs;
sp_flg[curlyLvl][if_lev] = p_flg[level];
s_ind[curlyLvl][if_lev] = ind[level];
if_lev++;
if_levSafe();
if_flg = true;
}
} // end switch
} // end while not EOF
if (buf.length() > 0) writeIndentedLine();
final String formatted = result.toString();
return formatted.equals(cleanText) ? source : formatted;
}
}