Current File : //usr/share/bash-completion/completions/gst-launch-1.0
# GStreamer
# Copyright (C) 2015 Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
#
# bash/zsh completion support for gst-launch
#
# 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 [[ ! -f $_GST_HELPERDIR/gst ]]; then
_GST_HELPERDIR="$(pkg-config --variable=bashhelpersdir gstreamer-1.0)"
else
_GST_HELPERDIR=`cd "$_GST_HELPERDIR"; pwd`
fi
# Common definitions
. "$_GST_HELPERDIR"/gst
_gst_launch_all_arguments ()
{
_gst_all_arguments gst-launch-1.0
}
_gst_complete_compatible_elements ()
{
COMPREPLY=( $(compgen -W "$($_GST_HELPER --compatible-with $previous_element)" -- $cur) )
}
_gst_complete_all_elements ()
{
COMPREPLY=( $(compgen -W "$($_GST_HELPER -l)" -- $cur) )
}
_gst_complete_element_properties ()
{
COMPREPLY=( $(compgen -W "$($_GST_HELPER --element-properties $previous_element)" -- $cur) )
}
_gstlaunch___exclude_ () { _gst_mandatory_argument gst-launch-1.0; }
_gst_launch_main ()
{
local i=1 command function_exists previous_element have_previous_element=0 completion_func
while [[ $i -ne $COMP_CWORD ]];
do
local var
var="${COMP_WORDS[i]}"
if [[ "$var" == "-"* ]]
then
command="$var"
fi
i=$(($i+1))
done
i=1
while [[ $i -ne $COMP_CWORD ]];
do
local var
var="${COMP_WORDS[i]}"
if [[ "$var" == "-"* ]]
then
i=$(($i+1))
continue
fi
$(gst-inspect-1.0 --exists $var)
if [ $? -eq 0 ]
then
previous_element="$var"
have_previous_element=1
fi
i=$(($i+1))
done
if [[ "$command" == "--gst"* ]]; then
completion_func="_${command//-/_}"
else
completion_func="_gstlaunch_${command//-/_}"
fi
# Seems like bash doesn't like "exclude" in function names
if [[ "$completion_func" == "_gstlaunch___exclude" ]]
then
completion_func="_gstlaunch___exclude_"
fi
declare -f $completion_func >/dev/null 2>&1
function_exists=$?
if [[ "$cur" == "-"* ]]; then
_gst_launch_all_arguments
elif [ $function_exists -eq 0 ]
then
$completion_func
elif [ $have_previous_element -ne 0 ] && [[ "$prev" == "!" ]]
then
_gst_complete_compatible_elements
elif [ $have_previous_element -ne 0 ]
then
_gst_complete_element_properties
else
_gst_complete_all_elements
fi
}
_gst_launch_func_wrap ()
{
local cur prev
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
$1
}
# Setup completion for certain functions defined above by setting common
# variables and workarounds.
# This is NOT a public function; use at your own risk.
_gst_launch_complete ()
{
local wrapper="__launch_wrap${2}"
eval "$wrapper () { _gst_launch_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_launch_complete gst-launch-1.0 _gst_launch_main
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