[p5sagit/p5-mst-13.2.git] / lib / termcap.pl

;# $Header: termcap.pl,v 3.0.1.2 90/03/14 12:28:28 lwall Locked $
;#
;# Usage:
;#	do 'ioctl.pl';
;#	ioctl(TTY,$TIOCGETP,$foo);
;#	($ispeed,$ospeed) = unpack('cc',$foo);
;#	do 'termcap.pl' || die "Can't get termcap.pl";
;#	&Tgetent('vt100');	# sets $TC{'cm'}, etc.
;#	&Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE');
;#	&Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
;#
sub Tgetent {
    local($TERM) = @_;
    local($TERMCAP,$_,$entry,$loop,$field);

    warn "Tgetent: no ospeed set" unless $ospeed;
    foreach $key (keys(TC)) {
	delete $TC{$key};
    }
    $TERM = $ENV{'TERM'} unless $TERM;
    $TERMCAP = $ENV{'TERMCAP'};
    $TERMCAP = '/etc/termcap' unless $TERMCAP;
    if ($TERMCAP !~ m:^/:) {
	if (index($TERMCAP,"|$TERM|") < $[) {
	    $TERMCAP = '/etc/termcap';
	}
    }
    if ($TERMCAP =~ m:^/:) {
	$entry = '';
	do {
	    $loop = "
	    open(TERMCAP,'<$TERMCAP') || die \"Can't open $TERMCAP\";
	    while (<TERMCAP>) {
		next if /^#/;
		next if /^\t/;
		if (/\\|$TERM[:\\|]/) {
		    chop;
		    while (chop eq '\\\\') {
			\$_ .= <TERMCAP>;
			chop;
		    }
		    \$_ .= ':';
		    last;
		}
	    }
	    close TERMCAP;
	    \$entry .= \$_;
	    ";
	    eval $loop;
	} while s/:tc=([^:]+):/:/ && ($TERM = $1);
	$TERMCAP = $entry;
    }

    foreach $field (split(/:[\s:\\]*/,$TERMCAP)) {
	if ($field =~ /^\w\w$/) {
	    $TC{$field} = 1;
	}
	elsif ($field =~ /^(\w\w)#(.*)/) {
	    $TC{$1} = $2 if $TC{$1} eq '';
	}
	elsif ($field =~ /^(\w\w)=(.*)/) {
	    $entry = $1;
	    $_ = $2;
	    s/\\E/\033/g;
	    s/\\(\d\d\d)/pack('c',$1 & 0177)/eg;
	    s/\\n/\n/g;
	    s/\\r/\r/g;
	    s/\\t/\t/g;
	    s/\\b/\b/g;
	    s/\\f/\f/g;
	    s/\\\^/\377/g;
	    s/\^\?/\177/g;
	    s/\^(.)/pack('c',ord($1) & 31)/eg;
	    s/\\(.)/$1/g;
	    s/\377/^/g;
	    $TC{$entry} = $_ if $TC{$entry} eq '';
	}
    }
    $TC{'pc'} = "\0" if $TC{'pc'} eq '';
    $TC{'bc'} = "\b" if $TC{'bc'} eq '';
}

@Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2);

sub Tputs {
    local($string,$affcnt,$FH) = @_;
    local($ms);
    if ($string =~ /(^[\d.]+)(\*?)(.*)$/) {
	$ms = $1;
	$ms *= $affcnt if $2;
	$string = $3;
	$decr = $Tputs[$ospeed];
	if ($decr > .1) {
	    $ms += $decr / 2;
	    $string .= $TC{'pc'} x ($ms / $decr);
	}
    }
    print $FH $string if $FH;
    $string;
}

sub Tgoto {
    local($string) = shift(@_);
    local($result) = '';
    local($after) = '';
    local($code,$tmp) = @_;
    local(@tmp);
    @tmp = ($tmp,$code);
    local($online) = 0;
    while ($string =~ /^([^%]*)%(.)(.*)/) {
	$result .= $1;
	$code = $2;
	$string = $3;
	if ($code eq 'd') {
	    $result .= sprintf("%d",shift(@tmp));
	}
	elsif ($code eq '.') {
	    $tmp = shift(@tmp);
	    if ($tmp == 0 || $tmp == 4 || $tmp == 10) {
		if ($online) {
		    ++$tmp, $after .= $TC{'up'} if $TC{'up'};
		}
		else {
		    ++$tmp, $after .= $TC{'bc'};
		}
	    }
	    $result .= sprintf("%c",$tmp);
	    $online = !$online;
	}
	elsif ($code eq '+') {
	    $result .= sprintf("%c",shift(@tmp)+ord($string));
	    $string = substr($string,1,99);
	    $online = !$online;
	}
	elsif ($code eq 'r') {
	    ($code,$tmp) = @tmp;
	    @tmp = ($tmp,$code);
	    $online = !$online;
	}
	elsif ($code eq '>') {
	    ($code,$tmp,$string) = unpack("CCa99",$string);
	    if ($tmp[$[] > $code) {
		$tmp[$[] += $tmp;
	    }
	}
	elsif ($code eq '2') {
	    $result .= sprintf("%02d",shift(@tmp));
	    $online = !$online;
	}
	elsif ($code eq '3') {
	    $result .= sprintf("%03d",shift(@tmp));
	    $online = !$online;
	}
	elsif ($code eq 'i') {
	    ($code,$tmp) = @tmp;
	    @tmp = ($code+1,$tmp+1);
	}
	else {
	    return "OOPS";
	}
    }
    $result . $string . $after;
}

1;
Commit	Line	Data
63f2c1e1	1	;# $Header: termcap.pl,v 3.0.1.2 90/03/14 12:28:28 lwall Locked $
a687059c	2	;#
	3	;# Usage:
	4	;# do 'ioctl.pl';
	5	;# ioctl(TTY,$TIOCGETP,$foo);
	6	;# ($ispeed,$ospeed) = unpack('cc',$foo);
9f68db38	7	;# do 'termcap.pl' \|\| die "Can't get termcap.pl";
	8	;# &Tgetent('vt100'); # sets $TC{'cm'}, etc.
	9	;# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE');
	10	;# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
a687059c	11	;#
	12	sub Tgetent {
	13	local($TERM) = @_;
	14	local($TERMCAP,$_,$entry,$loop,$field);
	15
	16	warn "Tgetent: no ospeed set" unless $ospeed;
	17	foreach $key (keys(TC)) {
	18	delete $TC{$key};
	19	}
	20	$TERM = $ENV{'TERM'} unless $TERM;
	21	$TERMCAP = $ENV{'TERMCAP'};
	22	$TERMCAP = '/etc/termcap' unless $TERMCAP;
	23	if ($TERMCAP !~ m:^/:) {
	24	if (index($TERMCAP,"\|$TERM\|") < $[) {
	25	$TERMCAP = '/etc/termcap';
	26	}
	27	}
	28	if ($TERMCAP =~ m:^/:) {
	29	$entry = '';
	30	do {
	31	$loop = "
	32	open(TERMCAP,'<$TERMCAP') \|\| die \"Can't open $TERMCAP\";
	33	while (<TERMCAP>) {
	34	next if /^#/;
	35	next if /^\t/;
	36	if (/\\\|$TERM[:\\\|]/) {
	37	chop;
	38	while (chop eq '\\\\') {
	39	\$_ .= <TERMCAP>;
	40	chop;
	41	}
	42	\$_ .= ':';
	43	last;
	44	}
	45	}
	46	close TERMCAP;
	47	\$entry .= \$_;
	48	";
	49	eval $loop;
9f68db38	50	} while s/:tc=([^:]+):/:/ && ($TERM = $1);
a687059c	51	$TERMCAP = $entry;
	52	}
	53
	54	foreach $field (split(/:[\s:\\]*/,$TERMCAP)) {
	55	if ($field =~ /^\w\w$/) {
	56	$TC{$field} = 1;
	57	}
	58	elsif ($field =~ /^(\w\w)#(.*)/) {
	59	$TC{$1} = $2 if $TC{$1} eq '';
	60	}
	61	elsif ($field =~ /^(\w\w)=(.*)/) {
	62	$entry = $1;
	63	$_ = $2;
	64	s/\\E/\033/g;
	65	s/\\(\d\d\d)/pack('c',$1 & 0177)/eg;
	66	s/\\n/\n/g;
	67	s/\\r/\r/g;
	68	s/\\t/\t/g;
	69	s/\\b/\b/g;
	70	s/\\f/\f/g;
	71	s/\\\^/\377/g;
	72	s/\^\?/\177/g;
63f2c1e1	73	s/\^(.)/pack('c',ord($1) & 31)/eg;
a687059c	74	s/\\(.)/$1/g;
	75	s/\377/^/g;
	76	$TC{$entry} = $_ if $TC{$entry} eq '';
	77	}
	78	}
	79	$TC{'pc'} = "\0" if $TC{'pc'} eq '';
	80	$TC{'bc'} = "\b" if $TC{'bc'} eq '';
	81	}
	82
	83	@Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2);
	84
	85	sub Tputs {
	86	local($string,$affcnt,$FH) = @_;
	87	local($ms);
	88	if ($string =~ /(^[\d.]+)(\?)(.)$/) {
	89	$ms = $1;
	90	$ms *= $affcnt if $2;
	91	$string = $3;
	92	$decr = $Tputs[$ospeed];
	93	if ($decr > .1) {
	94	$ms += $decr / 2;
	95	$string .= $TC{'pc'} x ($ms / $decr);
	96	}
	97	}
	98	print $FH $string if $FH;
	99	$string;
	100	}
	101
	102	sub Tgoto {
	103	local($string) = shift(@_);
	104	local($result) = '';
	105	local($after) = '';
	106	local($code,$tmp) = @_;
9f68db38	107	local(@tmp);
9f68db38	108	@tmp = ($tmp,$code);
a687059c	109	local($online) = 0;
	110	while ($string =~ /^([^%])%(.)(.)/) {
	111	$result .= $1;
	112	$code = $2;
	113	$string = $3;
	114	if ($code eq 'd') {
9f68db38	115	$result .= sprintf("%d",shift(@tmp));
a687059c	116	}
a687059c	117	elsif ($code eq '.') {
9f68db38	118	$tmp = shift(@tmp);
a687059c	119	if ($tmp == 0 \|\| $tmp == 4 \|\| $tmp == 10) {
	120	if ($online) {
	121	++$tmp, $after .= $TC{'up'} if $TC{'up'};
	122	}
	123	else {
	124	++$tmp, $after .= $TC{'bc'};
	125	}
	126	}
	127	$result .= sprintf("%c",$tmp);
	128	$online = !$online;
	129	}
	130	elsif ($code eq '+') {
9f68db38	131	$result .= sprintf("%c",shift(@tmp)+ord($string));
a687059c	132	$string = substr($string,1,99);
	133	$online = !$online;
	134	}
	135	elsif ($code eq 'r') {
9f68db38	136	($code,$tmp) = @tmp;
9f68db38	137	@tmp = ($tmp,$code);
a687059c	138	$online = !$online;
	139	}
	140	elsif ($code eq '>') {
	141	($code,$tmp,$string) = unpack("CCa99",$string);
9f68db38	142	if ($tmp[$[] > $code) {
9f68db38	143	$tmp[$[] += $tmp;
a687059c	144	}
	145	}
	146	elsif ($code eq '2') {
9f68db38	147	$result .= sprintf("%02d",shift(@tmp));
a687059c	148	$online = !$online;
	149	}
	150	elsif ($code eq '3') {
9f68db38	151	$result .= sprintf("%03d",shift(@tmp));
a687059c	152	$online = !$online;
	153	}
	154	elsif ($code eq 'i') {
9f68db38	155	($code,$tmp) = @tmp;
9f68db38	156	@tmp = ($code+1,$tmp+1);
a687059c	157	}
	158	else {
	159	return "OOPS";
	160	}
	161	}
	162	$result . $string . $after;
	163	}
	164
	165	1;