-
Notifications
You must be signed in to change notification settings - Fork 11
/
stringio.pas
1213 lines (1099 loc) · 30.4 KB
/
stringio.pas
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
// This file is part of Adlib Tracker II (AT2).
//
// AT2 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, either version 3 of the License, or
// (at your option) any later version.
//
// AT2 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 AT2. If not, see <http://www.gnu.org/licenses/>.
unit StringIO;
{$S-,Q-,R-,V-,B-,X+}
{$PACKRECORDS 1}
interface
type
tCHARSET = Set of Char;
const
DEC_NUM_CHARSET = ['0'..'9'];
HEX_NUM_CHARSET = ['0'..'9','a'..'f','A'..'F'];
function byte2hex(value: Byte): String;
function byte2dec(value: Byte): String;
function Capitalize(str: String): String;
function Upper(str: String): String;
function Lower(str: String): String;
function iCASE(str: String): String;
function RotStrL(str1,str2: String; shift: Byte): String;
function RotStrR(str1,str2: String; shift: Byte): String;
function ExpStrL(str: String; size: Byte; chr: Char): String;
function ExpStrR(str: String; size: Byte; chr: Char): String;
function ExpC2StrL(str: String; size: Byte; chr: Char): String;
function ExpC2StrR(str: String; size: Byte; chr: Char): String;
function ExpC3StrL(str: String; size: Byte; chr: Char): String;
function ExpC3StrR(str: String; size: Byte; chr: Char): String;
function CenterStr(str: String; size: Byte): String;
function DietStr(str: String; size: Byte): String;
function CutStr(str: String): String;
function CutStrL(str: String; margin: Byte): String;
function CutStrR(str: String; margin: Byte): String;
function FlipStr(str: String): String;
function FilterStr(str: String; chr0,chr1: Char): String;
function FilterStr1(str: String; chr0: Char): String;
function FilterStr2(str: String; chr0: tCHARSET; chr1: Char): String;
function Num2str(num: Longint; base: Byte): String;
function Str2num(str: String; base: Byte): Longint;
function Bpm2str(bpm: Real): String;
type
tINPUT_STR_SETTING = Record
insert_mode,
replace_enabled,
append_enabled: Boolean;
char_filter,
character_set,
valid_chars,
word_characters: tCHARSET;
terminate_keys: array[1..50] of Word;
end;
type
tINPUT_STR_ENVIRONMENT = Record
keystroke: Word;
locate_pos: Byte;
insert_mode: Boolean;
min_num: Dword;
max_num: Dword;
cur_str: String;
ext_proc: procedure;
end;
const
is_setting: tINPUT_STR_SETTING =
(insert_mode: TRUE;
replace_enabled: TRUE;
append_enabled: TRUE;
char_filter: [#32..#255];
character_set: [#32..#255];
valid_chars: [#32..#255];
word_characters: ['A'..'Z','a'..'z','0'..'9','_'];
terminate_keys: ($011b,$1c0d,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000,
$0000,$0000,$0000,$0000,$0000));
var
is_environment: tINPUT_STR_ENVIRONMENT;
function InputStr(s: String; x,y,ln,ln1: Byte; atr1,atr2: Byte): String;
function SameName(str1,str2: String): Boolean;
function PathOnly(path: String): String;
function NameOnly(path: String): String;
function BaseNameOnly(path: String): String;
function ExtOnly(path: String): String;
procedure StringIO_Init;
implementation
uses
DOS,
StrUtils,
AdT2unit,AdT2sys,AdT2keyb,
TxtScrIO;
function byte2hex(value: Byte): String;
const
data: array[0..15] of char = '0123456789ABCDEF';
begin
{$IFNDEF CPU64}
asm
mov edi,@RESULT
lea ebx,[data]
mov al,2
stosb
mov al,value
xor ah,ah
mov cl,16
div cl
xlat
stosb
mov al,ah
xlat
stosb
end;
{$ELSE}
byte2hex := data[value AND $0f0 SHR 4]+
data[value AND $0f];
{$ENDIF}
end;
function byte2dec(value: Byte): String;
const
data: array[0..9] of char = '0123456789';
begin
{$IFNDEF CPU64}
asm
mov edi,@RESULT
lea ebx,[data]
mov al,value
xor ah,ah
mov cl,100
div cl
mov ch,ah
xchg ah,al
or ah,ah
jz @@1
mov al,3
stosb
xchg ah,al
xlat
stosb
mov al,ch
jmp @@2
@@1: mov al,2
stosb
mov al,value
@@2: xor ah,ah
mov cl,10
div cl
xlat
stosb
mov al,ah
xlat
stosb
end;
{$ELSE}
If (value < 100) then
byte2dec := data[value DIV 10]+
data[value MOD 10]
else
byte2dec := data[value DIV 100]+
data[value MOD 100 DIV 10]+
data[value MOD 100 MOD 10];
{$ENDIF}
end;
function Capitalize(str: String): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@4
mov al,[esi]
inc esi
cmp al,'a'
jb @@0
cmp al,'z'
ja @@0
sub al,20h
@@0: mov [edi],al
inc edi
@@1: mov ah,al
mov al,[esi]
inc esi
cmp ah,' '
jnz @@2
cmp al,'a'
jb @@2
cmp al,'z'
ja @@2
sub al,20h
jmp @@3
@@2: cmp al,'A'
jb @@3
cmp al,'Z'
ja @@3
add al,20h
@@3: mov [edi],al
inc edi
loop @@1
@@4:
end;
end;
function Upper(str: String): String;
begin
{$IFNDEF CPU64}
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@3
@@1: mov al,[esi]
inc esi
cmp al,'a'
jb @@2
cmp al,'z'
ja @@2
sub al,20h
@@2: mov [edi],al
inc edi
loop @@1
@@3:
end;
{$ELSE}
Upper := UpCase(str);
{$ENDIF}
end;
function Lower(str: String): String;
begin
{$IFNDEF CPU64}
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@3
@@1: mov al,[esi]
inc esi
cmp al,'A'
jb @@2
cmp al,'Z'
ja @@2
add al,20h
@@2: mov [edi],al
inc edi
loop @@1
@@3:
end;
{$ELSE}
Lower := LowerCase(str);
{$ENDIF}
end;
{$IFNDEF CPU64}
function iCase(str: String): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@5
push edi
push ecx
@@1: mov al,[esi]
inc esi
cmp al,'a'
jb @@2
cmp al,'z'
ja @@2
sub al,20h
@@2: mov [edi],al
inc edi
loop @@1
pop ecx
pop edi
@@3: mov al,[edi]
cmp al,'i'-20h
jnz @@4
add al,20h
@@4: mov [edi],al
inc edi
loop @@3
@@5:
end;
end;
{$ELSE}
function iCase(str: String): String;
begin
iCase := ReplaceStr(Upper(str),'I','i');
end;
{$ENDIF}
function RotStrL(str1,str2: String; shift: Byte): String;
begin
RotStrL := Copy(str1,shift+1,Length(str1)-shift)+
Copy(str2,1,shift);
end;
function RotStrR(str1,str2: String; shift: Byte): String;
begin
RotStrR := Copy(str2,Length(str2)-shift+1,shift)+
Copy(str1,1,Length(str1)-shift);
end;
function ExpStrL(str: String; size: Byte; chr: Char): String;
begin
{$IFNDEF CPU64}
asm
lea esi,[str]
mov edi,@RESULT
cld
xor ecx,ecx
lodsb
cmp al,size
jge @@1
mov ah,al
mov al,size
stosb
mov al,ah
mov cl,size
sub cl,al
mov al,chr
rep stosb
mov cl,ah
rep movsb
jmp @@2
@@1: stosb
mov cl,al
rep movsb
@@2:
end;
{$ELSE}
While (Length(str) < size) do
str := chr+str;
ExpStrL := str;
{$ENDIF}
end;
function ExpStrR(str: String; size: Byte; chr: Char): String;
begin
{$IFNDEF CPU64}
asm
lea esi,[str]
mov edi,@RESULT
cld
xor ecx,ecx
lodsb
cmp al,size
jge @@1
mov ah,al
mov al,size
stosb
mov cl,ah
rep movsb
mov al,ah
mov cl,size
sub cl,al
mov al,chr
rep stosb
jmp @@2
@@1: stosb
mov cl,al
rep movsb
@@2:
end;
{$ELSE}
While (Length(str) < size) do
str := str+chr;
ExpStrR := str;
{$ENDIF}
end;
function ExpC2StrL(str: String; size: Byte; chr: Char): String;
begin
While (CStr2Len(str) < size) do
str := chr+str;
ExpC2StrL := str;
end;
function ExpC2StrR(str: String; size: Byte; chr: Char): String;
begin
While (CStr2Len(str) < size) do
str := str+chr;
ExpC2StrR := str;
end;
function ExpC3StrL(str: String; size: Byte; chr: Char): String;
begin
While (C3StrLen(str) < size) do
str := chr+str;
ExpC3StrL := str;
end;
function ExpC3StrR(str: String; size: Byte; chr: Char): String;
begin
While (C3StrLen(str) < size) do
str := str+chr;
ExpC3StrR := str;
end;
function CenterStr(str: String; size: Byte): String;
var
flag: Boolean;
begin
flag := FALSE;
While (Length(str) < size) do
begin
If flag then
str := ' ' + str
else str := str + ' ';
flag := NOT flag;
end;
CenterStr := str;
end;
function DietStr(str: String; size: Byte): String;
begin
If (Length(str) <= size) then
begin
DietStr := str;
EXIT;
end;
Repeat
Delete(str,size DIV 2,1)
until (Length(str)+3 = size);
Insert('...',str,size DIV 2);
DietStr := str
end;
function CutStr(str: String): String;
begin
While (BYTE(str[0]) <> 0) and (str[1] = ' ') do
Delete(str,1,1);
While (BYTE(str[0]) <> 0) and (str[BYTE(str[0])] = ' ') do
Delete(str,BYTE(str[0]),1);
CutStr := str;
end;
function CutStrL(str: String; margin: Byte): String;
var
idx: Byte;
begin
If (margin = 0) then margin := Length(str)
else If (margin > Length(str)) then
margin := Length(str);
idx := 0;
While (idx+1 <= margin) and (str[idx+1] = ' ') do
Inc(idx);
If (idx <> 0) then Delete(str,1,idx);
CutStrL := str;
end;
function CutStrR(str: String; margin: Byte): String;
var
idx: Byte;
begin
If (margin > Length(str)) then
margin := Length(str);
idx := 0;
While (str[BYTE(str[0])-idx] = ' ') and
(BYTE(str[0])-idx >= margin) do
Inc(idx);
Dec(BYTE(str[0]),idx);
CutStrR := str;
end;
{$IFNDEF CPU64}
function FlipStr(str: String): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
dec edi
xor ecx,ecx
mov cl,al
jecxz @@2
add edi,ecx
@@1: mov al,[esi]
inc esi
mov [edi],al
dec edi
loop @@1
@@2:
end;
end;
{$ELSE}
function FlipStr(str: String): String;
var
idx: Byte;
result: String;
begin
result := '';
For idx := 1 to Length(str) do
result := str[idx]+result;
FlipStr := result;
end;
{$ENDIF}
{$IFNDEF CPU64}
function FilterStr(str: String; chr0,chr1: Char): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@3
@@1: mov al,[esi]
inc esi
cmp al,chr0
jnz @@2
mov al,chr1
@@2: mov [edi],al
inc edi
loop @@1
@@3:
end;
end;
{$ELSE}
function FilterStr(str: String; chr0,chr1: Char): String;
var
idx: Byte;
begin
For idx := 1 to Length(str) do
If (str[idx] = chr0) then
str[idx] := chr1;
FilterStr := str;
end;
{$ENDIF}
{$IFNDEF CPU64}
function FilterStr1(str: String; chr0: Char): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
inc edi
xor ecx,ecx
mov cl,al
mov ebx,ecx
jecxz @@4
@@1: mov al,[esi]
inc esi
cmp al,chr0
jnz @@2
dec ebx
jmp @@3
@@2: mov [edi],al
inc edi
@@3: loop @@1
@@4: mov eax,ebx
mov edi,@RESULT
mov [edi],al
end;
end;
{$ELSE}
function FilterStr1(str: String; chr0: Char): String;
var
idx: Byte;
result: String;
begin
result := '';
For idx := 1 to Length(str) do
If (str[idx] <> chr0) then
result := result+str[idx];
FilterStr1 := result;
end;
{$ENDIF}
const
_treat_char: array[$80..$a5] of Char =
'CueaaaaceeeiiiAAE_AooouuyOU_____aiounN';
function FilterStr2(str: String; chr0: tCHARSET; chr1: Char): String;
var
temp: Byte;
begin
For temp := 1 to Length(str) do
If NOT (str[temp] in chr0) then
If (str[temp] >= #128) and (str[temp] <= #165) then
str[temp] := _treat_char[BYTE(str[temp])]
else If (str[temp] = #0) then str[temp] := ' '
else str[temp] := chr1;
FilterStr2 := str;
end;
{$IFNDEF CPU64}
function Num2str(num: Longint; base: Byte): String;
const
hexa: array[0..PRED(16)+32] of Char = '0123456789ABCDEF'+
#0#0#0#0#0#0#0#0#0#0#0#0#0#0#0#0;
begin
asm
xor eax,eax
xor edx,edx
xor edi,edi
xor esi,esi
mov eax,num
xor ebx,ebx
mov bl,base
cmp bl,2
jb @@3
cmp bl,16
ja @@3
mov edi,32
@@1: dec edi
xor edx,edx
div ebx
mov esi,edx
mov dl,byte ptr [hexa+esi]
mov byte ptr [hexa+edi+16],dl
and eax,eax
jnz @@1
mov esi,edi
mov ecx,32
sub ecx,edi
mov edi,@RESULT
mov al,cl
stosb
@@2: mov al,byte ptr [hexa+esi+16]
stosb
inc esi
loop @@2
jmp @@4
@@3: mov edi,@RESULT
xor al,al
stosb
@@4:
end;
end;
{$ELSE}
function Num2str(num: Longint; base: Byte): String;
const
hexa: array[0..PRED(16)] of Char = '0123456789ABCDEF';
var
result: String;
begin
result := '';
If (base >= 2) and (base <= 16) then
While (num > 0) do
begin
result := hexa[num MOD base]+result;
num := num DIV base;
end;
If (result = '') then Num2str := '0'
else Num2str := result;
end;
{$ENDIF}
const
digits: array[0..15] of Char = '0123456789ABCDEF';
function Digit2index(digit: Char): Byte;
var
index: Byte;
begin
digit := UpCase(digit);
index := 15;
While (index > 0) and (digit <> digits[index]) do Dec(index);
Digit2index := Index;
end;
function position_value(position,base: Byte): Longint;
var
value: Longint;
index: Byte;
begin
value := 1;
For index := 2 to position do value := value*base;
position_value := value;
end;
function Str2num(str: String; base: Byte): Longint;
var
value: Longint;
index: Byte;
begin
value := 0;
If (base in [2,10,16]) then
For index := 1 to Length(str) do
Inc(value,Digit2index(str[index])*
position_value(Length(str)-index+1,base));
Str2num := value;
end;
function Bpm2str(bpm: Real): String;
begin
If (bpm < 1000) then
Bpm2str := Num2str(Trunc(bpm),10)+'.'+Num2str(Trunc((bpm-Trunc(bpm))*10),10)
else
Bpm2str := Num2str(Round(bpm),10);
end;
function InputStr(s: String; x,y,ln,ln1: Byte; atr1,atr2: Byte): String;
var
appn,for1st,qflg,ins: Boolean;
cloc,xloc,xint,attr: Byte;
key: Word;
s1,s2: String;
function more(value1,value2: Byte): Byte;
begin
If (value1 >= value2) then more := value1
else more := value2;
end;
label _end;
begin { InputStr }
{$IFDEF GO32V2}
_last_debug_str_ := _debug_str_;
_debug_str_ := 'STRINGIO.PAS:InputStr';
{$ENDIF}
s := Copy(s,1,ln);
If (is_environment.locate_pos > ln1) then
is_environment.locate_pos := ln1;
If (is_environment.locate_pos > Length(s)+1) then
is_environment.locate_pos := Length(s);
cloc := is_environment.locate_pos;
xloc := is_environment.locate_pos;
xint := x;
qflg := FALSE;
ins := is_setting.insert_mode;
appn := NOT is_setting.append_enabled;
Dec(x);
If ins then ThinCursor else WideCursor;
s1 := s;
If (BYTE(s1[0]) > ln1) then s1[0] := CHR(ln1);
ShowStr(screen_ptr,xint,y,ExpStrR('',ln1,' '),atr1);
ShowStr(screen_ptr,xint,y,FilterStr2(s1,is_setting.char_filter,'_'),atr2);
for1st := TRUE;
Repeat
s2 := s1;
If (xloc = 1) then s1 := Copy(s,cloc,ln1)
else s1 := Copy(s,cloc-xloc+1,ln1);
If NOT appn then attr := atr2
else attr := atr1;
If appn and for1st then
begin
ShowStr(screen_ptr,xint,y,ExpStrR(FilterStr2(s1,is_setting.char_filter,'_'),ln1,' '),atr1);
for1st := FALSE;
end;
If (s2 <> s1) then
ShowStr(screen_ptr,xint,y,ExpStrR(FilterStr2(s1,is_setting.char_filter,'_'),ln1,' '),atr1);
If (ln1 < ln) then
If (cloc-xloc > 0) and (Length(s) > 0) then
ShowStr(screen_ptr,xint,y,#17,(attr AND $0f0)+$0f)
else If (cloc-xloc = 0) and (Length(s) <> 0) then
ShowStr(screen_ptr,xint,y,s[1],attr)
else
ShowStr(screen_ptr,xint,y,' ',atr1);
If (ln1 < ln) then
If (cloc-xloc+ln1 < Length(s)) then
ShowStr(screen_ptr,xint+ln1-1,y,#16,(attr AND $0f0)+$0f)
else If (cloc-xloc+ln1 = Length(s)) then
ShowStr(screen_ptr,xint+ln1-1,y,FilterStr2(s[Length(s)],is_setting.char_filter,'_'),attr)
else
ShowStr(screen_ptr,xint+ln1-1,y,' ',atr1);
GotoXY(x+xloc,y);
If keypressed then key := getkey else GOTO _end;
If LookupKey(key,is_setting.terminate_keys,50) then qflg := TRUE;
If NOT qflg then
Case key of
kTAB: appn := TRUE;
kCHplus,
kNPplus: If (is_setting.character_set = DEC_NUM_CHARSET) then
If (Length(Num2str(SUCC(Str2num(s,10)),10)) <= ln1) and
(SUCC(Str2num(s,10)) <= is_environment.max_num) then
s := Num2str(SUCC(Str2num(s,10)),10)
else
else If (is_setting.character_set = HEX_NUM_CHARSET) then
If (Length(Num2str(SUCC(Str2num(s,16)),16)) <= ln1) and
(SUCC(Str2num(s,16)) <= is_environment.max_num) then
s := Num2str(SUCC(Str2num(s,16)),16);
kCHmins,
kNPmins: If (is_setting.character_set = DEC_NUM_CHARSET) then
If (Str2num(s,10) > 0) and
(PRED(Str2num(s,10)) >= is_environment.min_num) then
s := Num2str(PRED(Str2num(s,10)),10)
else
else If (is_setting.character_set = HEX_NUM_CHARSET) then
If (Str2num(s,16) > 0) and
(PRED(Str2num(s,16)) >= is_environment.min_num) then
s := Num2str(PRED(Str2num(s,16)),16);
kCtrlY: begin
appn := TRUE;
s := '';
cloc := 1;
xloc := 1;
end;
kCtrlT: begin
appn := TRUE;
While (s[cloc] in is_setting.word_characters) and
(cloc <= Length(s)) do Delete(s,cloc,1);
While NOT (s[cloc] in is_setting.word_characters) and
(cloc <= Length(s)) do Delete(s,cloc,1);
end;
kCtrlK: begin
appn := TRUE;
Delete(s,cloc,Length(s));
end;
kCtBkSp: begin
appn := TRUE;
While (s[cloc-1] in is_setting.word_characters) and
(cloc > 1) do
begin
Dec(cloc); Delete(s,cloc,1);
If (xloc > 1) then Dec(xloc);
end;
While NOT (s[cloc-1] in is_setting.word_characters) and
(cloc > 1) do
begin
Dec(cloc); Delete(s,cloc,1);
If (xloc > 1) then Dec(xloc);
end;
end;
kBkSPC: begin
appn := TRUE;
If (cloc > 1) then
begin
If (xloc > 1) then Dec(xloc);
Dec(cloc); Delete(s,cloc,1);
end;
end;
kDELETE: begin
appn := TRUE;
If (cloc <= Length(s)) then Delete(s,cloc,1);
end;
kCtLEFT: begin
appn := TRUE;
While (s[cloc] in is_setting.word_characters) and
(cloc > 1) do
begin
Dec(cloc);
If (xloc > 1) then Dec(xloc);
end;
While NOT (s[cloc] in is_setting.word_characters) and
(cloc > 1) do
begin
Dec(cloc);
If (xloc > 1) then Dec(xloc);
end;
end;
kCtRGHT: begin
appn := TRUE;
While (s[cloc] in is_setting.word_characters) and
(cloc < Length(s)) do
begin
Inc(cloc);
If (xloc < ln1) then Inc(xloc);
end;
While NOT (s[cloc] in is_setting.word_characters) and
(cloc < Length(s)) do
begin
Inc(cloc);
If (xloc < ln1) then Inc(xloc);
end;
end;
kLEFT: begin
appn := TRUE;
If (cloc > 1) then Dec(cloc);
If (xloc > 1) then Dec(xloc);
end;
kRIGHT: begin
appn := TRUE;
If (cloc < Length(s)) or ((cloc = Length(s)) and
((Length(s) < more(ln,ln1)))) then
Inc(cloc);
If (xloc < ln1) and (xloc <= Length(s)) then Inc(xloc);
end;
kINSERT: If is_setting.replace_enabled then
begin
ins := NOT ins;
If ins then ThinCursor else WideCursor;
end;
kHOME: begin
appn := TRUE;
cloc := 1;
xloc := 1;
end;
kEND: begin
appn := TRUE;
If (Length(s) < more(ln,ln1)) then cloc := Succ(Length(s))
else cloc := Length(s);
If (cloc < ln1) then xloc := cloc else xloc := ln1;
end;
else If (CHR(LO(key)) in tCHARSET(is_setting.character_set)) then
begin