#
#	fhist - file history and comparison tools
#	Copyright (C) 1998 Peter Miller;
#	All rights reserved.
#
#	This program is free software; you can redistribute it and/or modify
#	it under the terms of the GNU General Public License as published by
#	the Free Software Foundation; either version 2 of the License, or
#	(at your option) any later version.
#
#	This program is distributed in the hope that it will be useful,
#	but WITHOUT ANY WARRANTY; without even the implied warranty of
#	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#	GNU General Public License for more details.
#
#	You should have received a copy of the GNU General Public License
#	along with this program; if not, write to the Free Software
#	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
#
# MANIFEST: ptx1.awk
#
function getc()
{
	getc_tmp = substr(getc_buf, getc_pos, 1)
	if (getc_tmp != "")
		++getc_pos
	return getc_tmp
}

BEGIN {
	th_name = "none"
	th_section = "none"
	active = 0
}
/^\.ds n)/ {
	_n_ = $3
}
/^\.TH/ {
	# watch out for the quotes
	getc_buf = $0
	getc_pos = 4
	argc = 0
	for (;;)
	{
		c = getc()
		while (c == " " || c == "\t")
			c = getc()
		if (c == "")
			break
		quoted = 0
		arg = ""
		for (;;)
		{
			if (c == "\"")
				quoted = !quoted
			else if (c == "")
				break
			else if (!quoted && (c == " " || c == "\t"))
				break
			else
				arg = arg c
			c = getc()
		}
		argv[++argc] = arg
	}

	# th_name = argv[1]
	# gsub(/\\\*\(n\)/, (_n_ == "" ? "cook" : _n_), th_name)
	# th_section = argv[2]
	th_name = FILENAME
	sub(/^.*\//, "", th_name)
	sub(/\.[0-9]$/, "", th_name)
	th_section = FILENAME
	sub(/^.*\./, "", th_section)
	active = 0
	next
}
/^\.SH/ {
	active = ($2 == "NAME")
	next
}
/^['.]\\"/ {
	# ignore comments
	next
}
/^['.]XX/ {
	# ignore indexing
	next
}
/^['.]/ {
	if (active)
	{
		sub(/^.[a-zA-Z][a-zA-Z]*[ 	]*/, "")
		print th_name "(" th_section ")	" $0
	}
	next
}
{
	if (active)
	{
		gsub(/	/, " ")		# Translate tabs to spaces
		gsub(/__*/, " ")	# Collapse underscores
		gsub(/  +/, " ")	# Collapse spaces
		gsub(/ *, */, ", ")	# Fix comma spacings
		sub(/^ /, "")		# Kill initial spaces
		sub(/ $/, "")		# Kill trailing spaces
		gsub(/\\f\(../, "")	# Kill font changes
		gsub(/\\f./, "")	# Kill font changes
		gsub(/\\s[-+0-9]*/, "")	# Kill size changes
		gsub(/\\&/, "")		# Kill \&
		gsub(/\\\((ru|ul)/, "_")	# Translate
		gsub(/\\\((mi|hy|em)/, "-")	# Translate
		gsub(/\\\*\(n\)/, (_n_ == "" ? "cook" : _n_))
		gsub(/\\\*\(../, "")	# Kill troff strings
		gsub(/\\/, "")		# Kill all backslashes
		print th_name "(" th_section ")	" $0
	}
}