#!/bin/sh

if test ! $# -eq 2
then
	echo "Need two arguments: a board file name and a tab file name" >&2
	exit 1
fi

board="$1"
tab="$2"

if test ! -f "$board"
then
	echo "Board file $board not found" >&2
	exit 1
fi

if test ! -f "$tab"
then
	echo "Tab file $tab not found" >&2
	exit 1
fi

btmp=.tmp.$board

awk -F "[ \t]*[;][ \t]*" -v "outfn=$btmp" '

BEGIN { sq = "'\''" }

# quote s with single quotes and remove any single quote from it
# (pcb-rnd action syntax does not have escaping)
function squote(s)
{
	gsub("[" sq "]", ".", s)
	return sq s sq
}

# ignore comments
/^[ \t]*#/ { next }

# generate an unselect-query-propset sequence for each line
(NF > 1) {
	print "Unselect(all)"
	print "query(select, " squote($1) ")"
	for(n = 2; n <= NF; n++) {
		if (split($n, A, "=") == 2)
			print "propset(selection, " squote(A[1]) "," squote(A[2]) ")"
	}
}

END {
	print "Unselect(all)"
	print "Save(LayoutAs, " squote(outfn) ")"
}

' < "$tab" | pcb-rnd --gui batch "$board" && mv "$btmp" "$board"