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Simtel MSDOS - Coast to Coast
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nlist.pas
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Pascal/Delphi Source File
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1994-03-05
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14KB
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519 lines
PROGRAM NList;
{U+}
{Epson MX80 printer controller ASCII file Print program}
{Entered in the Public Domain by Nathan Liskov}
{Adapted from Turbo Users Group Vol 1 Issue 3}
{Can be invoked with filename as a parameter: nlist filename}
{Feb 10, 1985}
TYPE
DateTimeStr = STRING[26];
OnorOff = ARRAY[1..2] OF STRING[3];
parmtype = STRING[127];
maxspaces = STRING[132];
VAR
linecount, n, m, page, doublespace, linelength : integer;
topspaces, bottomspaces, leftmargin, rightmargin, lm, rm : integer;
option : char;
pagestr : STRING[3];
filename : STRING[45];
temp, lineout : STRING[255];
right, left : maxspaces;
source : text;
linemode, double, emphasized, header, automatic, maxline : integer;
x : parmtype;
hellfreezesover : boolean;
datetimestamp: datetimestr;
CONST
onoff: onoroff = ('On ','Off');
PROCEDURE init;
BEGIN
linemode := 80;
write(lst,chr(18)); {set line mode to 80}
double := 2;
write(lst,chr(27),chr(72)); {set double strike off}
emphasized := 2;
write(lst,chr(27),chr(70)); {set emphasized off}
header := 1; {default is header line on}
doublespace := 2; {default is single spaces}
automatic := 2; {default is zero margins}
topspaces := 1;
bottomspaces := 0;
leftmargin := 0;
rightmargin := 0;
right := '';
left := '';
IF paramcount<>0
THEN BEGIN
filename := paramstr(1);
assign(source,filename);
END
ELSE filename := '';
hellfreezesover := false;
END;
FUNCTION DateTime: DateTimeStr;
TYPE
regpack = RECORD
ax,bx,cx,dx,bp,si,ds,es,flags: integer;
END;
dayname = STRING[3];
TYPE monthname = ARRAY[1..12] OF STRING[3];
CONST mon: monthname = ('Jan','Feb','Mar','Apr','May','Jun',
'Jul','Aug','Sep','Oct','Nov','Dec');
VAR
recpack: regpack; {record for MsDos call}
day,hours,minutes,seconds: STRING[2];
year: STRING[4];
month,dx,cx,daynumber,yearnumber: integer;
dayoftheweek : dayname;
FUNCTION DayofWeek(juliandate:real): dayname;
{finds day of week for 10 feb 1985 or later}
TYPE daynames = ARRAY[1..7] OF STRING[3];
CONST day: daynames = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
VAR daynumber : real;
BEGIN
daynumber := (juliandate + 1.5)/7;
daynumber := daynumber -349444.0; {sun 10 feb 1985}
WHILE daynumber > 32000 DO
daynumber := daynumber - 32000;
daynumber := (daynumber - trunc(daynumber))*7;
dayofweek := day[round(daynumber)+1];
END;
FUNCTION juliandate(daynumber, monthnumber, yearnumber:integer): real;
VAR a,b,c,d : real;
BEGIN
IF monthnumber < 3
THEN
BEGIN
yearnumber := yearnumber -1;
monthnumber := monthnumber + 12;
END;
a := trunc(yearnumber/100)*1.0;
b := 2-a+trunc(a/4)*1.0;
c := 365.0 * yearnumber+trunc(yearnumber/4);
d := trunc(30.6001*(monthnumber+1));
juliandate := b+c+d+1720994.5+daynumber;
{ writeln('julian date ',b+c+d+1720994.5+daynumber:10:1);}
END;
BEGIN
WITH recpack DO
BEGIN
ax := $2a shl 8;
END;
MsDos(recpack); { call function }
WITH recpack DO
BEGIN
str(cx,year); {convert to string}
yearnumber := cx;
daynumber := dx MOD 256;
str(daynumber,day); { " }
month := dx shr 8;
END;
WITH recpack DO
BEGIN
ax := $2c shl 8;
END;
MsDos(recpack);
WITH recpack DO
BEGIN
str(cx shr 8,hours);
IF (cx shr 8)<10
THEN hours := '0'+hours;
str(cx MOD 256,minutes);
IF (cx MOD 256)<10
THEN minutes := '0'+minutes;
str(dx shr 8,seconds);
IF (dx shr 8)<10
THEN seconds := '0'+seconds;
END;
dayoftheweek := (dayofweek(juliandate(daynumber,month,yearnumber)));
IF daynumber > 9
THEN
datetime := dayoftheweek+' '+day+' '+mon[month]+' '+year
+' '+hours+':'+minutes+':'+seconds
ELSE
datetime := dayoftheweek+' '+' '+day+' '+mon[month]+' '+year+' '
+hours+':'+minutes+':'+seconds;
END;
PROCEDURE optionline;
BEGIN
gotoxy(1,21);
normvideo;
writeln(' Enter Option Choice ');
gotoxy(36,21);
END;
PROCEDURE menu; {gives main menu options}
BEGIN
clrscr;
lowvideo;
writeln('Printer Utility for File Listing on MX-80');
writeln('____________By Nathan Liskov_____________');
writeln;
writeln(' 0 := Form Feed');
writeln(' 1 := Line Feed');
writeln(' 2 := Characters/Line. : ',linemode);
writeln(' 3 := Double Strike : ',onoff[double]);
writeln(' 4 := Emphasized Mode : ',onoff[emphasized]);
writeln(' 5 := Header Line : ',onoff[header]);
writeln(' 6 := Double Spaced : ',onoff[doublespace]);
writeln(' 7 := Extra Top Blank Lines : ',topspaces);
writeln(' 8 := Extra Bottom Blank Lines : ',bottomspaces);
writeln(' 9 := Automatic L/R Margins : ',onoff[automatic]);
writeln(' L := Extra Left Margin : ',leftmargin);
writeln(' R := Extra Right Margin : ',rightmargin);
writeln;
normvideo;
writeln(' F := File Name : ',filename);
writeln;
writeln(' G := GO Q := QUIT');
writeln;
optionline;
page := 0;
END;
PROCEDURE get_file;
BEGIN
gotoxy(1,21);
write(' Enter name of file to list: ');
readln(filename);
assign(source,filename);
gotoxy(36,17);
write(filename,' ');
optionline;
END;
PROCEDURE settopmargin;
BEGIN
gotoxy(1,21);
write(' Enter number of extra top spaces: ');
readln(topspaces);
gotoxy(36,11);
write(topspaces,' ');
optionline;
END;
PROCEDURE setbottommargin;
BEGIN
gotoxy(1,21);
write(' Enter number of extra bottom spaces: ');
readln(bottomspaces);
gotoxy(36,12);
write(bottomspaces,' ');
optionline;
END;
FUNCTION spaces(n:integer): maxspaces;
VAR
tmp: STRING[132];
m: integer;
BEGIN
tmp := '';
FOR m :=1 TO n DO
tmp := tmp + ' ';
spaces := tmp;
END;
PROCEDURE setleftmargin;
BEGIN
gotoxy(1,21);
write(' Enter number of extra left margin spaces: ');
readln(leftmargin);
left := spaces(leftmargin);
gotoxy(36,14);
write(leftmargin,' ');
optionline;
END;
PROCEDURE setrightmargin;
BEGIN
gotoxy(1,21);
write(' Enter number of extra right margin spaces: ');
readln(rightmargin);
right := spaces(rightmargin);
gotoxy(36,15);
write(rightmargin,' ');
optionline;
END;
PROCEDURE title; {prints filename, datetime, and page number on each page}
BEGIN
write(lst,chr(27),chr(45),chr(1)); {underline on}
IF linemode = 80
THEN
n := 21 - length(filename)
ELSE
n := 47 - length(filename);
temp := 'File: '+ filename;
FOR m:=1 TO n DO
temp := temp + chr(32);
temp := temp + datetimestamp;
IF linemode = 80
THEN
n := 19
ELSE
n := 45;
FOR m:=1 TO n DO
temp := temp + chr(32);
temp := temp + 'Page ';
str(page:3,pagestr);
temp := temp + pagestr;
writeln(lst,temp);
write(lst,chr(27),chr(45),chr(0)); {underline off}
write('.');
linecount := 2;
END;
PROCEDURE page_feed;
BEGIN
writeln(lst,chr(140));
linecount := 1;
page := page + 1;
END;
PROCEDURE insertblankline;
BEGIN
writeln(lst);
write('.');
linecount := linecount + 1;
END;
PROCEDURE inserttoplines;
BEGIN
FOR n := 1 TO topspaces DO
insertblankline;
END;
PROCEDURE composeline; {inserts left and right margin spaces}
VAR
len : integer;
BEGIN
len := linemode
- leftmargin - rightmargin;
m := (length(temp)-1) DIV len + 1;
{number of sublines per line of input is m}
lineout := '';
FOR n := 1 TO m DO
lineout := lineout+left+ copy(temp,(n-1)*len+1,len) +right;
IF length(lineout) > 255
THEN BEGIN
writeln;
writeln('Warning....Line in excess of 255 characters in length.');
END;
END;
PROCEDURE automaticmargins;
{sets margins so longest line in file is centered}
BEGIN
reset(source);
lm := leftmargin;
rm := rightmargin;
maxline := 0;
REPEAT
readln(source,temp);
m := length(temp);
IF m > maxline
THEN maxline := m;
UNTIL EOF(source);
close(source);
leftmargin := (linemode - maxline) DIV 2;
IF leftmargin < 0
THEN leftmargin := 0;
rightmargin := leftmargin;
right := spaces(rightmargin);
left := spaces(leftmargin);
END;
PROCEDURE printfile;
VAR
n : integer;
BEGIN
datetimestamp := datetime;
IF automatic = 1
THEN automaticmargins;
reset(source);
page := 1;
linecount := 1;
linelength := linemode -rightmargin-leftmargin;
IF linelength <= 0
THEN BEGIN
clrscr;
writeln('ERROR...Illegal margin size');
halt;
END;
writeln;
REPEAT
IF linecount =1
THEN BEGIN
writeln;
write('Page ',page,' '); {status info to screen}
IF header = 1
THEN title;
IF topspaces >0
THEN inserttoplines;
END;
readln(source,temp); {read in one line}
composeline;
FOR n := 1 TO 1 + (length(lineout)-1) DIV linemode do
BEGIN
temp := copy(lineout,(n-1)*linemode+1,linemode);
writeln(lst,temp); {write out one line}
write('.');
linecount := linecount + 1;
IF doublespace = 1
THEN insertblankline;
IF linecount > 59 - bottomspaces
THEN page_feed;
IF linecount =1
THEN BEGIN {do header if page ends on a long line}
writeln;
write('Page ',page,' '); {status info to screen}
IF header = 1
THEN title;
IF topspaces >0
THEN inserttoplines;
END;
END;
UNTIL eof(source);
close(source);
IF automatic = 1 {restore margin values}
THEN BEGIN
leftmargin := lm;
left := spaces(leftmargin);
rightmargin := rm;
right := spaces(rightmargin);
END;
menu;
END;
PROCEDURE quit; {restores default conditions on printer}
BEGIN
write(lst,chr(18)); {80 char/line}
write(lst,chr(27),chr(72)); {double strike off}
clrscr;
halt;
END;
PROCEDURE action;
BEGIN
CASE option OF
'0': write(lst,chr(140));
'1': write(lst,chr(138));
'2': BEGIN
IF linemode=80
THEN BEGIN
linemode := 132;
write(lst,chr(15));
END
ELSE BEGIN
linemode := 80;
write(lst,chr(18));
END;
gotoxy(36,6);
write(linemode,' ');
optionline;
END;
'3': BEGIN
IF double = 1
THEN BEGIN
double := 2;
write(lst,chr(27),chr(72)); {put double strike off}
END
ELSE BEGIN
double := 1;
write(lst,chr(27),chr(71)); {double strike on}
END;
gotoxy(36,7);
write(onoff[double],' ');
optionline;
END;
'4': BEGIN
IF emphasized = 1
THEN BEGIN
emphasized := 2;
write(lst,chr(27),chr(70)); {emphasized off}
END
ELSE BEGIN
emphasized := 1;
write(lst,chr(27),chr(71)); {emphasized on}
END;
gotoxy(36,8);
write(onoff[emphasized],' ');
optionline;
END;
'5': BEGIN
IF header=1
THEN header := 2
ELSE header := 1;
gotoxy(36,9);
write(onoff[header],' ');
optionline;
END;
'6': BEGIN
IF doublespace=1
THEN doublespace := 2
ELSE doublespace := 1;
gotoxy(36,10);
write(onoff[doublespace],' ');
optionline;
END;
'7': settopmargin;
'8': setbottommargin;
'9': BEGIN
IF automatic=1
THEN automatic := 2
ELSE automatic := 1;
gotoxy(36,13);
write(onoff[automatic],' ');
optionline;
END;
'l': setleftmargin;
'L': setleftmargin;
'r': setrightmargin;
'R': setrightmargin;
'F': get_file;
'f': get_file;
'G': IF filename <> ''
THEN printfile;
'g': IF filename <> ''
THEN printfile;
'Q': quit;
'q': quit;
END;
END;
BEGIN
init;
menu;
REPEAT
gotoxy (35,21);
REPEAT
read (kbd,option)
UNTIL option
IN ['0','1','2','3','4','5','6','g','G','q','Q','7','8','f','F',
'r','R','l','L','9'];
action;
UNTIL hellfreezesover = true;
END.