# (C) 2010 magicant

# Completion script for the "typeset" built-in command.
# Completion function "completion/typeset" is used for the "export" and
# "readonly" built-ins as well.

function completion/typeset {

	typeset OPTIONS ARGOPT PREFIX
	OPTIONS=( #>#
	"p --print; print specified variables or functions"
	"X --unexport; cancel exportation of variables"
	"--help"
	) #<#
	if [ "${WORDS[1]}" = "typeset" ]; then
		OPTIONS=("$OPTIONS" #>#
		"g --global; define global variables"
		) #<#
	fi
	if [ "${WORDS[1]}" != "export" ]; then
		OPTIONS=("$OPTIONS" #>#
		"f --functions; define or print functions rather than variables"
		"x --export; export variables or print exported variables"
		) #<#
	fi
	if [ "${WORDS[1]}" != "readonly" ]; then
		OPTIONS=("$OPTIONS" #>#
		"r --readonly; define or print read-only variables or functions"
		) #<#
	fi

	command -f completion//parseoptions -es
	case $ARGOPT in
	(-)
		command -f completion//completeoptions
		;;
	(*)
		typeset i=1 func=false
		while [ $i -le ${WORDS[#]} ]; do
			case ${WORDS[i++]} in
				(-f|--functions) func=true ;;
				(--)             break ;;
			esac
		done
		if $func; then
			complete --function
		else
			case $TARGETWORD in
			(*=*:*)
			# remove until the last colon after the first '=' and
			# complete as a filename. If $word is
			# PATH=/bin:/usr/bin:/u for example, we complete the
			# filename /u
				PREFIX=${TARGETWORD%"${${TARGETWORD#*=}##*:}"}
				complete -T -P "$PREFIX" -S : -f
				;;
			(*=*)
			# remove until '=' and complete as a filename.
				PREFIX=${TARGETWORD%"${TARGETWORD#*=}"}
				complete -P "$PREFIX" -f
				;;
			(*)
				complete -T -S = -v
				;;
			esac
		fi
		;;
	esac

}


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