# Relational pipes

# 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/>.

_relpipe_out_jack_completion_ports() {

	# TODO: simpler and faster implementation in relpipe-out-jack or relpipe-in-jack C++ code

	jack_lsp -tp 2>/dev/null \

		| tr -d \\t \

		| tr \\n \\0 \

		| relpipe-in-cli \

			--relation "jack_midi_port" \

			--attribute "name" string \

			--attribute "properties" string \

			--attribute "type" string \

			--records-on-stdin true \

		| relpipe-tr-grep '.*' 'properties' 'input' \

		| relpipe-tr-grep '.*' 'type' 'midi' \

		| relpipe-tr-cut '.*' 'name' \

		| relpipe-out-nullbyte \

		| tr \\0 \\n

}

_relpipe_out_jack_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]}

	  if [[ "$w1" == "--jack-client-name"             && "x$w0" == "x" ]];    then COMPREPLY=("'relpipe-out-jack'")

	elif [[ "$w1" == "--jack-connect-to-port"                          ]];    then COMPREPLY=($(compgen -W "$(_relpipe_out_jack_completion_ports)" -- "$w0"))

	elif [[ "$w1" == "--required-jack-connections"    && "x$w0" == "x" ]];    then COMPREPLY=("1")

	else

		OPTIONS=(

			"--jack-client-name"

			"--jack-connect-to-port"

			"--required-jack-connections"

		)

		COMPREPLY=($(compgen -W "${OPTIONS[*]}" -- "$w0"))

	fi

}

complete -F _relpipe_out_jack_completion relpipe-out-jack