mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 09:40:37 +00:00
143 lines
3.5 KiB
Text
143 lines
3.5 KiB
Text
# 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="${BASH_SOURCE[0]%/*}/../helpers"
|
|
|
|
if [[ ! -d "$_GST_HELPERDIR" ]]; then
|
|
_GST_HELPERDIR="$(pkg-config --variable=helpersdir gstreamer-1.0)"
|
|
else
|
|
_GST_HELPERDIR=`cd "$_GST_HELPERDIR"; pwd`
|
|
fi
|
|
|
|
# Common definitions
|
|
. "$_GST_HELPERDIR"/gst
|
|
|
|
_GST_HELPER="$_GST_HELPERDIR/gst-completion-helper-1.0"
|
|
|
|
_gst_launch_all_arguments ()
|
|
{
|
|
COMPREPLY=( $(compgen -W "$(gst-launch-1.0 --help-all | grep -oh '[[:graph:]]*--[[:graph:]]*' | cut -d'=' -f1)" -- $cur) )
|
|
}
|
|
|
|
_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_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
|