File: integration.c

package info (click to toggle)
vim 1%3A7.1.314-3%2Blenny2
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 39,856 kB
  • ctags: 25,430
  • sloc: ansic: 279,681; cpp: 3,229; makefile: 2,958; perl: 1,232; sh: 857; awk: 715; xml: 507; cs: 458; asm: 114; python: 28; csh: 6
file content (1212 lines) | stat: -rw-r--r-- 29,337 bytes parent folder | download
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
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
/* vi:set ts=8 sw=8:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *			Visual Workshop integration by Gordon Prieur
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 * See README.txt for an overview of the Vim source code.
 */

/*
 * Integration with Sun Workshop.
 *
 * This file should not change much, it's also used by other editors that
 * connect to Workshop.  Consider changing workshop.c instead.
 */
/*
-> consider using MakeSelectionVisible instead of gotoLine hacks
   to show the line properly
     -> consider using glue instead of our own message wrapping functions
	(but can only use glue if we don't have to distribute source)
*/

#include "vim.h"

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>

#ifdef INET_SOCKETS
#include <netdb.h>
#include <netinet/in.h>
#else
#include <sys/un.h>
#endif

#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/param.h>
#ifdef HAVE_LIBGEN_H
# include <libgen.h>
#endif
#include <unistd.h>
#include <string.h>

#include <X11/Intrinsic.h>
#include <Xm/Xm.h>
#include <Xm/AtomMgr.h>
#include <Xm/PushB.h>

#ifdef HAVE_X11_XPM_H
# include <X11/xpm.h>
#else
# ifdef HAVE_XM_XPMP_H
#  include <Xm/XpmP.h>
# endif
#endif

#ifdef HAVE_UTIL_DEBUG_H
# include <util/debug.h>
#endif
#ifdef HAVE_UTIL_MSGI18N_H
# include <util/msgi18n.h>
#endif

#include "integration.h"	/* <EditPlugin/integration.h> */
#ifdef HAVE_FRAME_H
# include <frame.h>
#endif

#ifndef MAX
# define MAX(a, b)    (a) > (b) ? (a) : (b)
#endif

#ifndef NOCATGETS
# define NOCATGETS(x) x
#endif

/* Functions private to this file */
static void workshop_connection_closed(void);
static void messageFromEserve(XtPointer clientData, int *NOTUSED1, XtInputId *NOTUSED2);
static void workshop_disconnect(void);
static void workshop_sensitivity(int num, char *table);
static void adjust_sign_name(char *filename);
static void process_menuItem(char *);
static void process_toolbarButton(char *);
static void workshop_set_option_first(char *name, char *value);


#define CMDBUFSIZ	2048

#ifdef DEBUG
static FILE *dfd;
static void pldebug(char *, ...);
static void unrecognised_message(char *);

#define HANDLE_ERRORS(cmd)	else unrecognised_message(cmd);
#else
#define HANDLE_ERRORS(cmd)
#endif

/*
 * Version number of the protocol between an editor and eserve.
 * This number should be incremented when the protocol
 * is changed.
 */
#define	PROTOCOL_VERSION	"4.0.0"

static int sd = -1;
static XtInputId inputHandler;		/* Cookie for input */

Boolean save_files = True;		/* When true, save all files before build actions */

void
workshop_connection_closed(void)
{
	/*
	 * socket closed on other end
	 */
	XtRemoveInput(inputHandler);
	inputHandler = 0;
	sd = -1;
}

	static char *
getCommand(void)
{
	int	 len;		/* length of this command */
	char	 lenbuf[7];	/* get the length string here */
	char	*newcb;		/* used to realloc cmdbuf */
	static char	*cmdbuf;/* get the command string here */
	static int	 cbsize;/* size of cmdbuf */

	if ((len = read(sd, &lenbuf, 6)) == 6) {
		lenbuf[6] = 0; /* Terminate buffer such that atoi() works right */
		len = atoi(lenbuf);
		if (cbsize < (len + 1)) {
			newcb = (char *) realloc(cmdbuf,
			    MAX((len + 256), CMDBUFSIZ));
			if (newcb != NULL) {
				cmdbuf = newcb;
				cbsize = MAX((len + 256), CMDBUFSIZ);
			}
		}
		if (cbsize >= len && (len = read(sd, cmdbuf, len)) > 0) {
			cmdbuf[len] = 0;
			return cmdbuf;
		} else {
			return NULL;
		}
	} else {
		if (len == 0) { /* EOF */
			workshop_connection_closed();
		}
		return NULL;
	}

}

/*ARGSUSED*/
void
messageFromEserve(XtPointer clientData, int *NOTUSED1, XtInputId *NOTUSED2)
{
	char	*cmd;		/* the 1st word of the command */

	cmd = getCommand();
	if (cmd == NULL) {
		/* We're being shut down by eserve and the "quit" message
		 * didn't arrive before the socket connection got closed */
		return;
	}
#ifdef DEBUG
	pldebug("%s\n", cmd);
#endif
	switch (*cmd) {
	case 'a':
		if (cmd[1] == 'c' &&
		    strncmp(cmd, NOCATGETS("ack "), 4) == 0) {
			int ackNum;
			char buf[20];

			ackNum = atoi(&cmd[4]);
			vim_snprintf(buf, sizeof(buf),
					       NOCATGETS("ack %d\n"), ackNum);
			write(sd, buf, strlen(buf));
		} else if (strncmp(cmd,
		    NOCATGETS("addMarkType "), 12) == 0) {
			int idx;
			char *color;
			char *sign;

			idx = atoi(strtok(&cmd[12], " "));
			color  = strtok(NULL, NOCATGETS("\001"));
			sign  = strtok(NULL, NOCATGETS("\001"));
			/* Skip space that separates names */
			if (color) {
				color++;
			}
			if (sign) {
				sign++;
			}
			/* Change sign name to accomodate a different size? */
			adjust_sign_name(sign);
			workshop_add_mark_type(idx, color, sign);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'b':
		if (strncmp(cmd,
		    NOCATGETS("balloon "), 8) == 0) {
			char *tip;

			tip  = strtok(&cmd[8], NOCATGETS("\001"));
			workshop_show_balloon_tip(tip);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'c':
		if (strncmp(cmd,
		    NOCATGETS("changeMarkType "), 15) == 0) {
			char *file;
			int markId;
			int type;

			file  = strtok(&cmd[15], " ");
			markId = atoi(strtok(NULL, " "));
			type = atoi(strtok(NULL, " "));
			workshop_change_mark_type(file, markId, type);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'd':
		if (strncmp(cmd, NOCATGETS("deleteMark "), 11) == 0) {
			char *file;
			int markId;

			file  = strtok(&cmd[11], " ");
			markId = atoi(strtok(NULL, " "));
			workshop_delete_mark(file, markId);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'f':
		if (cmd[1] == 'o' &&
		    strncmp(cmd, NOCATGETS("footerMsg "), 10) == 0) {
			int severity;
			char *message;

			severity =
			    atoi(strtok(&cmd[10], " "));
			message = strtok(NULL, NOCATGETS("\001"));

			workshop_footer_message(message, severity);
		} else if (strncmp(cmd,
		    NOCATGETS("frontFile "), 10) == 0) {
			char *file;

			file  = strtok(&cmd[10], " ");
			workshop_front_file(file);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'g':
		if (cmd[1] == 'e' &&
		    strncmp(cmd, NOCATGETS("getMarkLine "), 12) == 0) {
			char *file;
			int markid;
			int line;
			char buf[100];

			file  = strtok(&cmd[12], " ");
			markid = atoi(strtok(NULL, " "));
			line = workshop_get_mark_lineno(file, markid);
			vim_snprintf(buf, sizeof(buf),
					     NOCATGETS("markLine %s %d %d\n"),
			    file, markid, line);
			write(sd, buf, strlen(buf));
		} else if (cmd[1] == 'o' && cmd[4] == 'L' &&
		    strncmp(cmd, NOCATGETS("gotoLine "), 9) == 0) {
			char *file;
			int lineno;

			file  = strtok(&cmd[9], " ");
			lineno = atoi(strtok(NULL, " "));
			workshop_goto_line(file, lineno);
		} else if (strncmp(cmd,
		    NOCATGETS("gotoMark "), 9) == 0) {
			char *file;
			int markId;
			char *message;

			file  = strtok(&cmd[9], " ");
			markId = atoi(strtok(NULL, " "));
			message = strtok(NULL, NOCATGETS("\001"));
			workshop_goto_mark(file, markId, message);
#ifdef NOHANDS_SUPPORT_FUNCTIONS
		} else if (strcmp(cmd, NOCATGETS("getCurrentFile")) == 0) {
			char *f = workshop_test_getcurrentfile();
			char buffer[2*MAXPATHLEN];
			vim_snprintf(buffer, sizeof(buffer),
					NOCATGETS("currentFile %d %s"),
				f ? strlen(f) : 0, f ? f : "");
			workshop_send_message(buffer);
		} else if (strcmp(cmd, NOCATGETS("getCursorRow")) == 0) {
			int row = workshop_test_getcursorrow();
			char buffer[2*MAXPATHLEN];
			vim_snprintf(buffer, sizeof(buffer),
					NOCATGETS("cursorRow %d"), row);
			workshop_send_message(buffer);
		} else if (strcmp(cmd, NOCATGETS("getCursorCol")) == 0) {
			int col = workshop_test_getcursorcol();
			char buffer[2*MAXPATHLEN];
			vim_snprintf(buffer, sizeof(buffer),
					NOCATGETS("cursorCol %d"), col);
			workshop_send_message(buffer);
		} else if (strcmp(cmd, NOCATGETS("getCursorRowText")) == 0) {
			char *t = workshop_test_getcursorrowtext();
			char buffer[2*MAXPATHLEN];
			vim_snprintf(buffer, sizeof(buffer),
					NOCATGETS("cursorRowText %d %s"),
				t ? strlen(t) : 0, t ? t : "");
			workshop_send_message(buffer);
		} else if (strcmp(cmd, NOCATGETS("getSelectedText")) == 0) {
			char *t = workshop_test_getselectedtext();
			char buffer[2*MAXPATHLEN];
			vim_snprintf(buffer, sizeof(buffer),
					NOCATGETS("selectedText %d %s"),
				t ? strlen(t) : 0, t ? t : "");
			workshop_send_message(buffer);
#endif
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'l':
		if (strncmp(cmd, NOCATGETS("loadFile "), 9) == 0) {
			char *file;
			int line;
			char *frameid;

			file  = strtok(&cmd[9], " ");
			line = atoi(strtok(NULL, " "));
			frameid = strtok(NULL, " ");
			workshop_load_file(file, line, frameid);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'm':			/* Menu, minimize, maximize */
		if (cmd[1] == 'e' && cmd[4] == 'B' &&
		    strncmp(cmd, NOCATGETS("menuBegin "), 10) == 0) {
			workshop_menu_begin(&cmd[10]);
		} else if (cmd[1] == 'e' && cmd[4] == 'I' &&
		    strncmp(cmd, NOCATGETS("menuItem "), 9) == 0) {
			process_menuItem(cmd);
		} else if (cmd[1] == 'e' && cmd[4] == 'E' &&
		    strcmp(cmd, NOCATGETS("menuEnd")) == 0) {
			workshop_menu_end();
		} else if (cmd[1] == 'a' &&
		    strcmp(cmd, NOCATGETS("maximize")) == 0) {
			workshop_maximize();
		} else if (strcmp(cmd, NOCATGETS("minimize")) == 0) {
			workshop_minimize();
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'o':
		if (cmd[1] == 'p' &&
		    strcmp(cmd, NOCATGETS("option"))) {
			char *name;
			char *value;

			name  = strtok(&cmd[7], " ");
			value = strtok(NULL, " ");
			workshop_set_option_first(name, value);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'p':
		if (strcmp(cmd, NOCATGETS("ping")) == 0) {
#if 0
			int pingNum;

			pingNum = atoi(&cmd[5]);
			workshop_send_ack(ackNum);
			WHAT DO I DO HERE?
#endif
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'q':
		if (strncmp(cmd, NOCATGETS("quit"), 4) == 0) {

			/* Close the connection. It's important to do
			 * that now, since workshop_quit might be
			 * looking at open files.  For example, if you
			 * have modified one of the files without
			 * saving, NEdit will ask you what you want to
			 * do, and spin loop by calling
			 * XtAppProcessEvent while waiting for your
			 * reply. In this case, if we still have an
			 * input handler and the socket has been
			 * closed on the other side when eserve
			 * expired, we will hang in IoWait.
			 */
			workshop_disconnect();

			workshop_quit();
		}
		HANDLE_ERRORS(cmd);
		break;

	case 'r':
		if (cmd[1] == 'e' &&
		    strncmp(cmd, NOCATGETS("reloadFile "), 11) == 0) {
			char *file;
			int line;

			file  = strtok(&cmd[11], " ");
			line = atoi(strtok(NULL, " "));
			workshop_reload_file(file, line);
		}
		HANDLE_ERRORS(cmd);
		break;

	case 's':
		if (cmd[1] == 'e' && cmd[2] == 't' &&
		    strncmp(cmd, NOCATGETS("setMark "), 8) == 0) {
			char *file;
			int line;
			int markId;
			int type;

			file  = strtok(&cmd[8], " ");
			line = atoi(strtok(NULL, " "));
			markId = atoi(strtok(NULL, " "));
			type = atoi(strtok(NULL, " "));
			workshop_set_mark(file, line, markId, type);
		} else if (cmd[1] == 'h' &&
		    strncmp(cmd, NOCATGETS("showFile "), 9) == 0) {
			workshop_show_file(&cmd[9]);
		} else if (cmd[1] == 'u' &&
		    strncmp(cmd, NOCATGETS("subMenu "), 8) == 0) {
			char *label;

			label  = strtok(&cmd[8], NOCATGETS("\001"));
			workshop_submenu_begin(label);
		} else if (cmd[1] == 'u' &&
		    strcmp(cmd, NOCATGETS("subMenuEnd")) == 0) {
			workshop_submenu_end();
		} else if (cmd[1] == 'e' && cmd[2] == 'n' &&
		    strncmp(cmd, NOCATGETS("sensitivity "), 12) == 0) {
			int num;
			char *bracket;
			char *table;

			num = atoi(strtok(&cmd[12], " "));
			bracket = strtok(NULL, " ");
			if (*bracket != '[') {
				fprintf(stderr, NOCATGETS("Parsing "
				    "error for sensitivity\n"));
			} else {
				table = strtok(NULL, NOCATGETS("]"));
				workshop_sensitivity(num, table);
			}
		} else if (cmd[1] == 'e' && cmd[2] == 'n' && cmd[3] == 'd' &&
			   strncmp(cmd, NOCATGETS("sendVerb "), 9) == 0) {
			/* Send the given verb back (used for the
			 * debug.lineno callback (such that other tools
			 * can obtain the position coordinates or the
			 * selection) */
			char *verb;

			verb = strtok(&cmd[9], " ");
			workshop_perform_verb(verb, NULL);
		} else if (cmd[1] == 'a' &&
		    strncmp(cmd, NOCATGETS("saveFile "), 9) == 0) {
			workshop_save_file(&cmd[9]);
#ifdef NOHANDS_SUPPORT_FUNCTIONS
		} else if (strncmp(cmd, NOCATGETS("saveSensitivity "), 16) == 0) {
			char *file;

			file  = strtok(&cmd[16], " ");
			workshop_save_sensitivity(file);
#endif
		}
		HANDLE_ERRORS(cmd);
		break;

	case 't':			/* Toolbar */
		if (cmd[8] == 'e' &&
		    strncmp(cmd, NOCATGETS("toolbarBegin"), 12) == 0) {
			workshop_toolbar_begin();
		} else if (cmd[8] == 'u' &&
		    strncmp(cmd, NOCATGETS("toolbarButton"), 13) == 0) {
			process_toolbarButton(cmd);
		} else if (cmd[7] == 'E' &&
		    strcmp(cmd, NOCATGETS("toolbarEnd")) == 0) {
			workshop_toolbar_end();
		}
		HANDLE_ERRORS(cmd);
		break;

#ifdef DEBUG
	default:
		unrecognised_message(cmd);
		break;
#endif
	}
}

static void
process_menuItem(
	char	*cmd)
{
	char *label  = strtok(&cmd[9], NOCATGETS("\001"));
	char *verb  = strtok(NULL, NOCATGETS("\001"));
	char *acc = strtok(NULL, NOCATGETS("\001"));
	char *accText  = strtok(NULL, NOCATGETS("\001"));
	char *name  = strtok(NULL, NOCATGETS("\001"));
	char *sense  = strtok(NULL, NOCATGETS("\n"));
	char *filepos  = strtok(NULL, NOCATGETS("\n"));
	if (*acc == '-') {
		acc = NULL;
	}
	if (*accText == '-') {
		accText = NULL;
	}
	workshop_menu_item(label, verb, acc, accText, name, filepos, sense);

}


static void
process_toolbarButton(
	char	*cmd)			/* button definition */
{
	char *label  = strtok(&cmd[14], NOCATGETS("\001"));
	char *verb  = strtok(NULL, NOCATGETS("\001"));
	char *senseVerb  = strtok(NULL, NOCATGETS("\001"));
	char *filepos  = strtok(NULL, NOCATGETS("\001"));
	char *help  = strtok(NULL, NOCATGETS("\001"));
	char *sense  = strtok(NULL, NOCATGETS("\001"));
	char *file  = strtok(NULL, NOCATGETS("\001"));
	char *left  = strtok(NULL, NOCATGETS("\n"));

	if (!strcmp(label, NOCATGETS("-"))) {
		label = NULL;
	}
	if (!strcmp(help, NOCATGETS("-"))) {
		help = NULL;
	}
	if (!strcmp(file, NOCATGETS("-"))) {
		file = NULL;
	}
	if (!strcmp(senseVerb, NOCATGETS("-"))) {
		senseVerb = NULL;
	}
	workshop_toolbar_button(label, verb, senseVerb, filepos, help,
				sense, file, left);
}


#ifdef DEBUG
void
unrecognised_message(
	char	*cmd)
{
	pldebug("Unrecognised eserve message:\n\t%s\n", cmd);
	/* abort(); */
}
#endif


/* Change sign name to accomodate a different size:
 * Create the filename based on the height. The filename format
 * of multisize icons are:
 *    x.xpm   : largest icon
 *    x1.xpm  : smaller icon
 *    x2.xpm  : smallest icon */
	void
adjust_sign_name(char *filename)
{
	char *s;
	static int fontSize = -1;

	if (fontSize == -1)
		fontSize = workshop_get_font_height();
	if (fontSize == 0)
		return;
	if (filename[0] == '-')
		return;

	/* This is ugly: later we should instead pass the fontheight over
	 * to eserve on startup and let eserve just send the right filenames
	 * to us in the first place

	 * I know that the filename will end with 1.xpm (see
	 * GuiEditor.cc`LispPrintSign if you wonder why) */
	s = filename+strlen(filename)-5;
	if (fontSize <= 11)
		strcpy(s, "2.xpm");
	else if (fontSize <= 15)
		strcpy(s, "1.xpm");
	else
		strcpy(s, ".xpm");
}

/* Were we invoked by WorkShop? This function can be used early during startup
   if you want to do things differently if the editor is started standalone
   or in WorkShop mode. For example, in standalone mode you may not want to
   add a footer/message area or a sign gutter. */
int
workshop_invoked()
{
	static int result = -1;
	if (result == -1) {
		result = (getenv(NOCATGETS("SPRO_EDITOR_SOCKET")) != NULL);
	}
	return result;
}

/* Connect back to eserve */
void	workshop_connect(XtAppContext context)
{
#ifdef INET_SOCKETS
	struct sockaddr_in	server;
	struct hostent *	host;
	int			port;
#else
	struct sockaddr_un	server;
#endif
	char			buf[32];
	char *			address;
#ifdef DEBUG
	char			*file;
#endif

	address = getenv(NOCATGETS("SPRO_EDITOR_SOCKET"));
	if (address == NULL) {
		return;
	}

#ifdef INET_SOCKETS
	port = atoi(address);

	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
		PERROR(NOCATGETS("workshop_connect"));
		return;
	}

	/* Get the server internet address and put into addr structure */
	/* fill in the socket address structure and connect to server */
	memset((char *)&server, '\0', sizeof(server));
	server.sin_family = AF_INET;
	server.sin_port = port;
	if ((host = gethostbyname(NOCATGETS("localhost"))) == NULL) {
		PERROR(NOCATGETS("gethostbyname"));
		sd = -1;
		return;
	}
	memcpy((char *)&server.sin_addr, host->h_addr, host->h_length);
#else
	if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
		PERROR(NOCATGETS("workshop_connect"));
		return;
	}

	server.sun_family = AF_UNIX;
	strcpy(server.sun_path, address);
#endif
	/* Connect to server */
	if (connect(sd, (struct sockaddr *)&server, sizeof(server))) {
		if (errno == ECONNREFUSED) {
			close(sd);
#ifdef INET_SOCKETS
			if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
				PERROR(NOCATGETS("workshop_connect"));
				return;
			}
#else
			if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
				PERROR(NOCATGETS("workshop_connect"));
				return;
			}
#endif
			if (connect(sd, (struct sockaddr *)&server,
						sizeof(server))) {
				PERROR(NOCATGETS("workshop_connect"));
				return;
			}

		} else {
			PERROR(NOCATGETS("workshop_connect"));
			return;
		}
	}

	/* tell notifier we are interested in being called
	 * when there is input on the editor connection socket
	 */
	inputHandler = XtAppAddInput(context, sd, (XtPointer) XtInputReadMask,
				     messageFromEserve, NULL);
#ifdef DEBUG
	if ((file = getenv(NOCATGETS("SPRO_PLUGIN_DEBUG"))) != NULL) {
		char buf[BUFSIZ];

		unlink(file);
		vim_snprintf(buf, sizeof(buf), "date > %s", file);
		system(buf);
		dfd = fopen(file, "a");
	} else {
		dfd = NULL;
	}
#endif

	vim_snprintf(buf, sizeof(buf), NOCATGETS("connected %s %s %s\n"),
		workshop_get_editor_name(),
		PROTOCOL_VERSION,
		workshop_get_editor_version());
	write(sd, buf, strlen(buf));

	vim_snprintf(buf, sizeof(buf), NOCATGETS("ack 1\n"));
	write(sd, buf, strlen(buf));
}

void	workshop_disconnect()
{
	/* Probably need to send some message here */

	/*
	 * socket closed on other end
	 */
	XtRemoveInput(inputHandler);
	close(sd);
	inputHandler = 0;
	sd = -1;

}

/*
 * Utility functions
 */

/* Set icon for the window */
void
workshop_set_icon(Display *display, Widget shell, char **xpmdata,
		  int width, int height)
{
	Pixel		bgPixel;
	XpmAttributes   xpmAttributes;
	XSetWindowAttributes attr;
	Window		iconWindow;
	int		depth;
	int		screenNum;
	Pixmap		pixmap;

	/* Create the pixmap/icon window which is shown when you
	 * iconify the sccs viewer
	 * This code snipped was adapted from Sun WorkShop's source base,
	 * setIcon.cc.
	 */
	XtVaGetValues(shell, XmNbackground, &bgPixel, NULL);
	screenNum = XScreenNumberOfScreen(XtScreen(shell));
	depth = DisplayPlanes(display, screenNum);
	xpmAttributes.valuemask = XpmColorSymbols;
	xpmAttributes.numsymbols = 1;
	xpmAttributes.colorsymbols =
	    (XpmColorSymbol *)XtMalloc(sizeof (XpmColorSymbol) *
	    xpmAttributes.numsymbols);
	xpmAttributes.colorsymbols[0].name = NOCATGETS("BgColor");
	xpmAttributes.colorsymbols[0].value = NULL;
	xpmAttributes.colorsymbols[0].pixel = bgPixel;
	if (XpmCreatePixmapFromData(display,
	    RootWindow(display, screenNum), xpmdata, &pixmap,
	    NULL, &xpmAttributes) >= 0) {
		attr.background_pixmap = pixmap;
		iconWindow = XCreateWindow(display, RootWindow(display,
		    screenNum), 0, 0, width, height, 0, depth,
				(unsigned int)CopyFromParent,
		    CopyFromParent, CWBackPixmap, &attr);

		XtVaSetValues(shell,
		    XtNiconWindow, iconWindow, NULL);
	}
	XtFree((char *)xpmAttributes.colorsymbols);
}

/* Minimize and maximize shells. From libutil's shell.cc. */

/* utility functions from libutil's shell.cc */
static Boolean
isWindowMapped(Display *display, Window win)
{
	XWindowAttributes winAttrs;
	XGetWindowAttributes(display,
			     win,
			     &winAttrs);
	if (winAttrs.map_state == IsViewable) {
		return(True);
	} else {
		return(False);
	}
}

static Boolean
isMapped(Widget widget)
{
	if (widget == NULL) {
		return(False);
	}

	if (XtIsRealized(widget) == False) {
		return(False);
	}

	return(isWindowMapped(XtDisplay(widget), XtWindow(widget)));
}

static Boolean
widgetIsIconified(
	Widget		 w)
{
	Atom		 wm_state;
	Atom		 act_type;		/* actual Atom type returned */
	int		 act_fmt;		/* actual format returned */
	u_long		 nitems_ret;		/* number of items returned */
	u_long		 bytes_after;		/* number of bytes remaining */
	u_long		*property;		/* actual property returned */

	/*
	 * If a window is iconified its WM_STATE is set to IconicState. See
	 * ICCCM Version 2.0, section 4.1.3.1 for more details.
	 */

	wm_state = XmInternAtom(XtDisplay(w), NOCATGETS("WM_STATE"), False);
	if (XtWindow(w) != 0) {			/* only check if window exists! */
		XGetWindowProperty(XtDisplay(w), XtWindow(w), wm_state, 0L, 2L,
		    False, AnyPropertyType, &act_type, &act_fmt, &nitems_ret,
		    &bytes_after, (u_char **) &property);
		if (nitems_ret == 2 && property[0] == IconicState) {
			return True;
		}
	}

	return False;

}    /* end widgetIsIconified */

void
workshop_minimize_shell(Widget shell)
{
	if (shell != NULL &&
	    XtIsObject(shell) &&
	    XtIsRealized(shell) == True) {
		if (isMapped(shell) == True) {
			XIconifyWindow(XtDisplay(shell), XtWindow(shell),
			       XScreenNumberOfScreen(XtScreen(shell)));
		}
		XtVaSetValues(shell,
			      XmNiconic, True,
			      NULL);
	}
}

void workshop_maximize_shell(Widget shell)
{
	if (shell != NULL &&
	    XtIsRealized(shell) == True &&
	    widgetIsIconified(shell) == True &&
	    isMapped(shell) == False) {
		XtMapWidget(shell);
		/* This used to be
		     XtPopdown(shell);
		     XtPopup(shell, XtGrabNone);
		   However, I found that that would drop any transient
		   windows that had been iconified with the window.
		   According to the ICCCM, XtMapWidget should be used
		   to bring a window from Iconic to Normal state.
		   However, Rich Mauri did a lot of work on this during
		   Bart, and found that XtPopDown,XtPopup was required
		   to fix several bugs involving multiple CDE workspaces.
		   I've tested it now and things seem to work fine but
		   I'm leaving this note for history in case this needs
		   to be revisited.
		*/
	}
}


Boolean workshop_get_width_height(int *width, int *height)
{
	static int	wid = 0;
	static int	hgt = 0;
	static Boolean	firstTime = True;
	static Boolean	success = False;

	if (firstTime) {
		char	*settings;

		settings = getenv(NOCATGETS("SPRO_GUI_WIDTH_HEIGHT"));
		if (settings != NULL) {
			wid = atoi(settings);
			settings = strrchr(settings, ':');
			if (settings++ != NULL) {
				hgt = atoi(settings);
			}
			if (wid > 0 && hgt > 0) {
				success = True;
			}
			firstTime = False;
		}
	}

	if (success) {
		*width = wid;
		*height = hgt;
	}
	return success;
}


Boolean workshop_get_rows_cols(int *rows, int *cols)
{
	static int	r = 0;
	static int	c = 0;
	static Boolean	firstTime = True;
	static Boolean	success = False;

	if (firstTime) {
		char	*settings;

		settings = getenv(NOCATGETS("SPRO_GUI_ROWS_COLS"));
		if (settings != NULL) {
			r = atoi(settings);
			settings = strrchr(settings, ':');
			if (settings++ != NULL) {
				c = atoi(settings);
			}
			if (r > 0 && c > 0) {
				success = True;
			}
			firstTime = False;
		}
	}

	if (success) {
		*rows = r;
		*cols = c;
	}
	return success;
}

/*
 * Toolbar code
 */

void workshop_sensitivity(int num, char *table)
{
	/* build up a verb table */
	VerbSense *vs;
	int i;
	char *s;
	if ((num < 1) || (num > 500)) {
		return;
	}

	vs = (VerbSense *)malloc((num+1)*sizeof(VerbSense));

	/* Point to the individual names (destroys the table string, but
	 * that's okay -- this is more efficient than duplicating strings) */
	s = table;
	for (i = 0; i < num; i++) {
		while (*s == ' ') {
			s++;
		}
		vs[i].verb = s;
		while (*s && (*s != ' ') && (*s != '\001')) {
			s++;
		}
		if (*s == 0) {
			vs[i].verb = NULL;
			break;
		}
		if (*s == '\001') {
			*s = 0;
			s++;
		}
		*s = 0;
		s++;
		while (*s == ' ') {
			s++;
		}
		if (*s == '1') {
			vs[i].sense = 1;
		} else {
			vs[i].sense = 0;
		}
		s++;
	}
	vs[i].verb = NULL;

	workshop_frame_sensitivities(vs);

	free(vs);
}

/*
 * Options code
 */
/* Set an editor option.
 * IGNORE an option if you do not recognize it.
 */
void workshop_set_option_first(char *name, char *value)
{
	/* Currently value can only be on/off. This may change later (for
	 * example to set an option like "balloon evaluate delay", but
	 * for now just convert it into a boolean */
	Boolean on = !strcmp(value, "on");

	if (!strcmp(name, "workshopkeys")) {
		workshop_hotkeys(on);
	} else if (!strcmp(name, "savefiles")) {
		save_files = on;
	} else if (!strcmp(name, "balloon")) {
		workshop_balloon_mode(on);
	} else if (!strcmp(name, "balloondelay")) {
		int delay = atoi(value);
		/* Should I validate the number here?? */
		workshop_balloon_delay(delay);
	} else {
		/* Let editor interpret it */
		workshop_set_option(name, value);
	}
}



/*
 * Send information to eserve on certain editor events
 * You must make sure these are called when necessary
 */

void workshop_file_closed(char *filename)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("deletedFile %s\n"), filename);
	write(sd, buffer, strlen(buffer));
}

void workshop_file_closed_lineno(char *filename, int lineno)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("deletedFile %s %d\n"), filename, lineno);
	write(sd, buffer, strlen(buffer));
}

void workshop_file_opened(char *filename, int readOnly)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("loadedFile %s %d\n"), filename, readOnly);
	write(sd, buffer, strlen(buffer));
}


void workshop_file_saved(char *filename)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("savedFile %s\n"), filename);
	write(sd, buffer, strlen(buffer));

	/* Let editor report any moved marks that the eserve client
	 * should deal with (for example, moving location-based breakpoints) */
	workshop_moved_marks(filename);
}

void workshop_move_mark(char *filename, int markId, int newLineno)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("moveMark %s %d %d\n"), filename, markId, newLineno);
	write(sd, buffer, strlen(buffer));
}

void workshop_file_modified(char *filename)
{
	char buffer[2*MAXPATHLEN];
	vim_snprintf(buffer, sizeof(buffer),
			NOCATGETS("modifiedFile %s\n"), filename);
	write(sd, buffer, strlen(buffer));
}

void workshop_frame_moved(int new_x, int new_y, int new_w, int new_h)
{
	char buffer[200];

	if (sd >= 0)
	{
		vim_snprintf(buffer, sizeof(buffer),
				NOCATGETS("frameAt %d %d %d %d\n"),
				new_x, new_y, new_w, new_h);
		write(sd, buffer, strlen(buffer));
	}
}

/* A button in the toolbar has been pushed.
 * Clientdata is a pointer used by the editor code to figure out the
 * positions for this toolbar (probably by storing a window pointer,
 * and then fetching the current buffer for that window and looking up
 * cursor and selection positions etc.) */
void workshop_perform_verb(char *verb, void *clientData)
{
	char *filename;
	int curLine;
	int curCol;
	int selStartLine;
	int selStartCol;
	int selEndLine;
	int selEndCol;
	int selLength;
	char *selection;

	char buf[2*MAXPATHLEN];
/* Later: needsFilePos indicates whether or not we need to fetch all this
 * info for this verb... for now, however, it looks as if
 * eserve parsing routines depend on it always being present */

	if (workshop_get_positions(clientData,
				   &filename,
				   &curLine,
				   &curCol,
				   &selStartLine,
				   &selStartCol,
				   &selEndLine,
				   &selEndCol,
				   &selLength,
				   &selection)) {
		if (selection == NULL) {
			selection = NOCATGETS("");
		}

		/* Should I save the files??? This is currently done by checking
		   if the verb is one of a few recognized ones. Later we can pass
		   this list from eserve to the editor (it's currently hardcoded in
		   vi and emacs as well). */
		if (save_files) {
			if (!strcmp(verb, "build.build") || !strcmp(verb, "build.build-file") ||
			    !strcmp(verb, "debug.fix") || !strcmp(verb, "debug.fix-all")) {
				workshop_save_files();
			}
		}

		vim_snprintf(buf, sizeof(buf),
			NOCATGETS("toolVerb %s %s %d,%d %d,%d %d,%d %d %s\n"),
			verb,
			filename,
			curLine, curCol,
			selStartLine, selStartCol,
			selEndLine, selEndCol,
			selLength,
			selection);
		write(sd, buf, strlen(buf));
		if (*selection) {
			free(selection);
		}
	}
}

/* Send a message to eserve */
void workshop_send_message(char *buf)
{
	write(sd, buf, strlen(buf));
}

/* Some methods, like currentFile, cursorPos, etc. are missing here.
 * But it looks like these are used for NoHands testing only so we
 * won't bother requiring editors to implement these
 */


#ifdef DEBUG

void
pldebug(
	char		*fmt,	/* a printf style format line */
	...)
{
	va_list		 ap;

	if (dfd != NULL) {
		va_start(ap, fmt);
		vfprintf(dfd, fmt, ap);
		va_end(ap);
		fflush(dfd);
	}

}    /* end pldebug */

#endif