#!/bin/sh
##############################################################################
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##############################################################################
#
# Author: Thomas E. Dickey
#
# $Id: gen_edit.sh,v 1.5 2012/04/01 15:04:37 tom Exp $
# Generate a sed-script for converting the terminfo.src to the form which will
# be installed.
#
# Assumes:
#	The leaf directory names (lib, tabset, terminfo)
#

setglobal linux_dft = 'linux2.2'

: $(datadir=/usr/share)
: $(WHICH_LINUX=$linux_dft)
: $(WHICH_XTERM=xterm-new)
: $(XTERM_KBS=BS)

# If we're not installing into /usr/share/, we'll have to adjust the location
# of the tabset files in terminfo.src (which are in a parallel directory).
setglobal TABSET = "$(datadir)/tabset"
if test "x$TABSET" != "x/usr/share/tabset"  {
cat << """
s%/usr/share/tabset%$TABSET%g
"""
}

if test $WHICH_XTERM != "xterm-new"  {
echo "** using $WHICH_XTERM terminal description for XTerm entry" > !2
cat << """
/^# This is xterm for ncurses/,/^$/{
	s/use=xterm-new,/use=$WHICH_XTERM,/
}
"""
}

if test $XTERM_KBS != "BS"  {
echo "** using DEL for XTerm backspace-key" > !2
cat << """
/^xterm+kbs|fragment for backspace key/,/^#/{
	s/kbs=^H,/kbs=^?,/
}
"""
}

# Work around incompatibities built into Linux console.  The 2.6 series added
# a patch to fixup the SI/SO behavior, which is closer to vt100, but the older
# kernels do not recognize those controls.  All of the kernels recognize the
# older flavor of rmacs/smacs, but beginning in the late 1990s, changes made
# as part of implementing UTF-8 prevent using those for line-drawing when the
# console is in UTF-8 mode.  Taking into account the fact that it took about
# ten years to provide (and distribute) the 2.6 series' change for SI/SO, the
# default remains "linux2.2".
match x$WHICH_LINUX { #(vi
with xauto
	setglobal system = $[uname -s !2 >/dev/null]
	if test "x$system" = xLinux
	{
		match x$[uname -r] {
		with x1.*
			setglobal WHICH_LINUX = 'linux-c'
			
		with x2.[0-4]*
			setglobal WHICH_LINUX = 'linux2.2'
			
		with *
			setglobal WHICH_LINUX = 'linux3.0'
			
		}
	} else {
		setglobal WHICH_LINUX = $linux_dft
	}
	
with xlinux*
	# allow specific setting
	
with *
	setglobal WHICH_LINUX = $linux_dft
	
}

if test $WHICH_LINUX != $linux_dft
{
echo "** using $WHICH_LINUX terminal description for Linux console" > !2
cat << """
/^# This is Linux console for ncurses/,/^$/{
	s/use=$linux_dft,/use=$WHICH_LINUX,/
}
"""
}