# GStreamer

# Copyright (C) 2015 Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>

#

# bash/zsh completion support for gst-inspect

#

# This library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Library General Public

# License as published by the Free Software Foundation; either

# version 2 of the License, or (at your option) any later version.

#

# This library 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

# Library General Public License for more details.

#

# You should have received a copy of the GNU Library General Public

# License along with this library; if not, write to the

# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,

# Boston, MA 02110-1301, USA.

_GST_HELPERDIR="${BASH_SOURCE[0]%/*}/../helpers"

if [[ ! -d "$_GST_HELPERDIR"  ]]; then

	_GST_HELPERDIR="$(pkg-config --variable=bashhelpersdir gstreamer-1.0)"

else

	_GST_HELPERDIR=`cd "$_GST_HELPERDIR"; pwd`

fi

# Common definitions

. "$_GST_HELPERDIR"/gst

_gst_inspect_all_arguments ()

{

	_gst_all_arguments gst-inspect-1.0

}

_gst_inspect_all_elements ()

{

	COMPREPLY=( $(compgen -W "$($_GST_HELPER -l)" -- $cur) )

}

_gstinspect___atleast_version () { _gst_mandatory_argument gst-inspect-1.0; }

_gstinspect___exists ()

{

	_gst_inspect_all_elements

}

__inspect_main ()

{

	local i=1 command function_exists completion_func

	while [[ $i -ne $COMP_CWORD ]];

		do

			local var

			var="${COMP_WORDS[i]}"

			if [[ "$var" == "-"* ]]

			then

				command="$var"

			fi

		i=$(($i+1))

		done

	if [[ "$command" == "--gst"* ]]; then

		completion_func="_${command//-/_}"

	else

		completion_func="_gstinspect_${command//-/_}"

	fi

	declare -f $completion_func >/dev/null 2>&1

	function_exists=$?

	if [[ "$cur" == "-"* ]]

        then

		_gst_inspect_all_arguments

	elif [ $function_exists -eq 0 ]

	then

		$completion_func

	else

		_gst_inspect_all_elements

	fi

}

_gst_inspect_func_wrap ()

{

	local cur prev

	cur="${COMP_WORDS[COMP_CWORD]}"

	prev="${COMP_WORDS[COMP_CWORD-1]}"

	$1

}

# Setup completion for certain functions defined above by setting common

# variables and workarounds.

# This is NOT a public function; use at your own risk.

_gst_inspect_complete ()

{

	local wrapper="__inspect_wrap${2}"

	eval "$wrapper () { _gst_inspect_func_wrap $2 ; }"

	complete -o bashdefault -o default -o nospace -F $wrapper $1 2>/dev/null \

		|| complete -o default -o nospace -F $wrapper $1

}

_gst_inspect_complete gst-inspect-1.0 __inspect_main