doc_devlist

来自「rtlinux-3.2源码」· 代码 · 共 94 行

#!/usr/bin/perl -w
# vi: set ts=4:

sub parse_devices;

@ARGV = ('-') unless @ARGV;

$ARGV=shift @ARGV;
if(!open(FILE,$ARGV)){
	warn "Can't open $ARGV: $!\n";
	exit 1;
}

while(<FILE>){
	push @lines,$_;
}

$driver = "";
$mode = 0;
while($line=shift @lines){
	$_ = $line;
	if( $mode == 0){
		if( m/^[\w-]+: / ){
			chomp;
			$l=$_;
			$mode = 1;
		}
	}elsif($mode==1){
		if( m/^ / ){
			s/^ +//;
			chomp;
			$l="$l $_";
			$mode = 1;
		}else{
			#print "$l\n";
			if($l =~ m/^Driver: /){
				$_ = $l;
				s/^Driver: //;
				$driver = $_;
			}
			if($l =~ m/^Devices:/){
				$l =~ s/^Devices://;
				parse_devices($l);
			}
			$l="";
			$mode = 0;
			$_ = $line;
			if( m/^[\w-]+: / ){
				chomp;
				$l=$_;
				$mode = 1;
			}
		}
	}
}


sub parse_devices
{
	my $devs = $_[0];
	my $mfr = "unknown";
	my $dev = "unknown";
	my $name = "unknown";

	#print("parse_devices $devs\n");

	while($devs){
		$_=$devs;
		if(m/^ *\[([^\]]+)\](.*)/){
			$mfr = $1;
			#print "recognized mfr $mfr\n";
			$devs = $2;
		}elsif(m/^ *\(([^\)]+)\)(.*)/){
			$name = $1;
			#print "recognized name $name\n";
			$devs = $2;
		}elsif(m/^ *([^\(,]+)(.*)/){
			$dev = $1;
			$devs = $2;
			$dev =~ s/ *$//;
			#print "recognized dev $dev\n";
		}elsif(m/^ *,(.*)/){
			$devs = $1;
			printf "%-28s %-18s %-17s %-10s\n", $mfr, $dev, $driver, $name;
		}else{
			print "parse error $_\n";
			$devs = "";
		}
	}
	printf "%-28s %-18s %-17s %-10s\n", $mfr, $dev, $driver, $name;
}