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PACKET command dialogue DEFINES (* Autor: J.Liedtke *)
(* Stand: 26.04.82 *)
command dialogue ,
say ,
yes ,
no ,
param position ,
last param :
LET up = ""3"" ,
right = ""2"" ,
param pre = " (""" ,
param post = """)"13""10"" ;
TEXT VAR std param := "" ;
BOOL VAR dialogue flag := TRUE ;
INT VAR param x := 0 ;
BOOL PROC command dialogue :
dialogue flag
ENDPROC command dialogue ;
PROC command dialogue (BOOL CONST status) :
dialogue flag := status
ENDPROC command dialogue ;
BOOL PROC yes (TEXT CONST question) :
IF dialogue flag
THEN ask question
ELSE TRUE
FI .
ask question :
put (question) ;
skip previous input chars ;
put ("(j/n) ?") ;
get answer ;
IF correct answer
THEN putline (answer) ;
positive answer
ELSE out (""7"") ;
LENGTH question + 9 TIMESOUT ""8"" ;
yes (question)
FI .
get answer :
TEXT VAR answer ;
inchar (answer) .
correct answer :
pos ("jnyJNY", answer) > 0 .
positive answer :
pos ("jyJY", answer) > 0 .
skip previous input chars :
REP UNTIL incharety = "" PER .
ENDPROC yes ;
BOOL PROC no (TEXT CONST question) :
NOT yes (question)
ENDPROC no ;
PROC say (TEXT CONST message) :
IF dialogue flag
THEN out (message)
FI
ENDPROC say ;
PROC param position (INT CONST x) :
param x := x
ENDPROC param position ;
TEXT PROC last param :
IF param x > 0
THEN out (up) ;
param x TIMESOUT right ;
out (param pre) ;
out (std param) ;
out (param post)
FI ;
std param
ENDPROC last param ;
PROC last param (TEXT CONST new) :
std param := new
ENDPROC last param ;
ENDPACKET command dialogue ;
PACKET input DEFINES (* Stand: 01.05.81 *)
get ,
getline ,
get secret line :
LET cr = ""13"" ,
esc = ""27"" ,
rubout = ""12"" ,
bell = ""7"" ,
back blank back = ""8" "8"" ,
del line cr lf = ""5""13""10"" ;
PROC get (TEXT VAR word) :
REP
get (word, " ")
UNTIL word <> "" AND word <> " " PER ;
delete leading blanks .
delete leading blanks :
WHILE (word SUB 1) = " " REP
word := subtext (word,2)
PER .
ENDPROC get ;
PROC get (TEXT VAR word, TEXT CONST separator) :
word := "" ;
feldseparator (separator) ;
editget (word) ;
feldseparator ("") ;
echoe last char
ENDPROC get ;
PROC echoe last char :
TEXT CONST last char := feldzeichen ;
IF last char = ""13""
THEN out (""13""10"")
ELSE out (last char)
FI
ENDPROC echoe last char ;
PROC get (TEXT VAR word, INT CONST length) :
word := "" ;
feldseparator ("") ;
editget (word, length, length) ;
echoe last char
ENDPROC get ;
PROC getline (TEXT VAR line ) :
line := "" ;
feldseparator ("") ;
editget (line) ;
echoe last char
ENDPROC getline ;
PROC get secret line (TEXT VAR line) :
TEXT VAR char ;
line := "" ;
get start cursor position ;
get line very secret ;
IF char = esc
THEN get line little secret
FI ;
cursor to start position ;
out (del line cr lf) .
get line very secret :
REP
inchar (char) ;
IF char = esc OR char = cr
THEN LEAVE get line very secret
ELIF char = rubout
THEN delete last char
ELIF char >= " "
THEN line CAT char ;
out (".")
ELSE out (bell)
FI
PER .
delete last char :
IF LENGTH line = 0
THEN out (bell)
ELSE out (back blank back) ;
delete char (line, LENGTH line)
FI .
get line little secret :
feldseparator ("") ;
cursor to start position ;
editget (line) .
get start cursor position :
INT VAR x, y;
get cursor (x, y) .
cursor to start position :
cursor (x, y) .
ENDPROC get secret line ;
ENDPACKET input ;
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