# Alt2XML
# Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
#
# 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, version 3 of the License.
#
# 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, see <http://www.gnu.org/licenses/>.

_alt2xml_completion() {
	local w0 w1 w2 w3

	COMPREPLY=()
	w0=${COMP_WORDS[COMP_CWORD]}
	w1=${COMP_WORDS[COMP_CWORD-1]}
	w2=${COMP_WORDS[COMP_CWORD-2]}
	w3=${COMP_WORDS[COMP_CWORD-3]}

	BOOLEAN=(
		"true"
		"false"
	)

	ACTION=(
		"xml"
		"xpath"
		"xslt"
	)


	if   [[ "$w1" == "--input-file"	                                    ]];    then compopt -o default; COMPREPLY=()
	elif [[ "$w1" == "--system-id"                     && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w1" == "--input-url"                     && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w1" == "--reader-property"               && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w2" == "--reader-property"               && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w1" == "--reader-feature"                && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w2" == "--reader-feature"                && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w1" == "--reader-namespace-aware"                         ]];    then COMPREPLY=($(compgen -W "${BOOLEAN[*]}" -- "$w0"))
	elif [[ "$w1" == "--action"                                         ]];    then COMPREPLY=($(compgen -W "${ACTION[*]}"  -- "$w0"))
	elif [[ "$w1" == "--action-property"               && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w2" == "--action-property"               && "x$w0" == "x" ]];    then COMPREPLY=("''")
	elif [[ "$w1" == "--"                              && "x$w0" == "x" ]];    then COMPREPLY=("''")
	else
		OPTIONS=(
			"--input-file"
			"--input-stdin"
			"--system-id"
			"--input-url"
			"--reader-property"
			"--reader-feature"
			"--reader-namespace-aware"
			"--action"
			"--action-property"
			"--"
		)
		COMPREPLY=($(compgen -W "${OPTIONS[*]}" -- "$w0"))
	fi
}

complete -F _alt2xml_completion alt2xml
