# (C) 2010 magicant

# Completion script for the "nl" command.
# Supports POSIX 2008, GNU coreutils 8.4, FreeBSD 8.1, OpenBSD 4.8, NetBSD 5.0,
# Mac OS X 10.6.4, SunOS 5.10, HP-UX 11i v3.

function completion/nl {

	case $("${WORDS[1]}" --version 2>/dev/null) in
		(*'coreutils'*) typeset type=GNU ;;
		(*)             typeset type="$(uname 2>/dev/null)" ;;
	esac
	case $type in
		(GNU) typeset long=true ;;
		(*)   typeset long= ;;
	esac

	typeset OPTIONS ARGOPT PREFIX
	OPTIONS=( #>#
	"b: ${long:+--body-numbering:}; specify the numbering style of body lines"
	"d: ${long:+--section-delimiter:}; specify section delimiter characters"
	"f: ${long:+--footer-numbering:}; specify the numbering style of footer lines"
	"h: ${long:+--header-numbering:}; specify the numbering style of header lines"
	"i: ${long:+--line-increment:}; specify the line number increment"
	"l: ${long:+--join-blank-lines:}; consider n adjacent empty lines as one"
	"n: ${long:+--number-format:}; specify the line numbering format"
	"p  ${long:+--no-renumber}; don't reset the line number at the beginning of pages"
	"s: ${long:+--number-separator:}; specify the separator between the line number and the text"
	"v: ${long:+--starting-line-number:}; specify the initial line number"
	"w: ${long:+--number-width:}; specify the number of characters for the line number"
	) #<#

	case $type in (GNU)
		OPTIONS=("$OPTIONS" #>#
		"--help"
		"--version"
		) #<#
	esac

	command -f completion//parseoptions ${long:+-es}
	case $ARGOPT in
	(-)
		command -f completion//completeoptions
		;;
	([bfh]|--body-numbering|--footer-numbering|--header-numbering) #>>#
		complete -P "$PREFIX" -D "number all lines" a
		complete -P "$PREFIX" -D "number nonempty lines" t
		complete -P "$PREFIX" -D "number no lines" n
		complete -P "$PREFIX" -D "number lines matching the following regular expression" -T p
		;; #<<#
	(n|--number-format) #>>#
		complete -P "$PREFIX" -D "left justified, leading zeros suppressed" ln
		complete -P "$PREFIX" -D "right justified, leading zeros suppressed" rn
		complete -P "$PREFIX" -D "right justified, leading zeros kept" rz
		;; #<<#
	('')
		complete -f
		;;
	esac

}


# vim: set ft=sh ts=8 sts=8 sw=8 noet:
