#!/usr/bin/perl

# quick, very dirty little script so that we can put all the

# information for building a floor book set in one spec file.

#eg:

# >floor_44

# =44c0_s 44c1_s 44c2_s

# build line_128x4_class0 0-256

# build line_128x4_0sub0  0-4

die "Could not open $ARGV[0]: $!" unless open (F,$ARGV[0]);

$goflag=0;

while($line=<F>){

    print "#### $line";

    if($line=~m/^GO/){

	$goflag=1;

	next;

    }

    if($goflag==0){

	if($line=~m/\S+/ && !($line=~m/^\#/) ){

	    my $command=$line;

	    print ">>> $command";

	    die "Couldn't shell command.\n\tcommand:$command\n" 

		if syst($command);

	}

	next;

    }

    # >floor_44

    # this sets the output bookset file name

    if($line=~m/^>(\S+)\s+(\S*)/){

	# set the output name

	$globalname=$1;

	$command="rm -f $globalname.vqh";

	die "Couldn't remove file.\n\tcommand:$command\n" 

	    if syst($command);

	next;

    }

    #=path1 path2 path3 

    #set the search path for input files; each build line will look

    #for input files in all of the directories in the search path and

    #append them for huffbuild input

    if($line=~m/^=(.*)/){

	# set the output name

	@paths=split(' ',$1);

	next;

    }

    # build book.vqd 0-3 [noguard]

    if($line=~m/^build (.*)/){

	# build a huffman book (no mapping) 

	my($datafile,$range,$guard)=split(' ',$1);

	$command="rm -f $datafile.tmp";

	print "\n\n>>> $command\n";

	die "Couldn't remove temp file.\n\tcommand:$command\n" 

	    if syst($command);

	# first find all the inputs we want; they'll need to be collected into a single input file

	foreach $dir (@paths){

	    if (-e "$dir/$datafile.vqd"){

		$command="cat $dir/$datafile.vqd >> $datafile.tmp";

		print ">>> $command\n";

		die "Couldn't append training data.\n\tcommand:$command\n" 

		    if syst($command);

	    }

	}

	my $command="huffbuild $datafile.tmp $range $guard";

	print ">>> $command\n";

	die "Couldn't build huffbook.\n\tcommand:$command\n" 

	    if syst($command);

	$command="cat $datafile.vqh >> $globalname.vqh";

	print ">>> $command\n";

	die "Couldn't append to output book.\n\tcommand:$command\n" 

	    if syst($command);

	$command="rm $datafile.vqh";

	print ">>> $command\n";

	die "Couldn't remove temporary output file.\n\tcommand:$command\n" 

	    if syst($command);

	$command="rm -f $datafile.tmp";

	print ">>> $command\n";

	die "Couldn't remove temporary output file.\n\tcommand:$command\n" 

	    if syst($command);

	next;

    }

}

$command="rm -f temp$$.vqd";

print ">>> $command\n";

die "Couldn't remove temp files.\n\tcommand:$command\n" 

    if syst($command);

sub syst{

    system(@_)/256;

}