mpv/etc/mpv.bash-completion

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#!/bin/bash
#
# This file is part of mpv.
#
# mpv is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# mpv 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with mpv. If not, see <http://www.gnu.org/licenses/>.
#
# Cache all the mpv options
_mpv_options=$(mpv --no-config --list-options)
_mpv_get_args()
{
local doc=$(echo "$_mpv_options" | grep -E "^\\s*$1\\s")
local partial="$2"
local type=$(echo "$doc" | awk '{print $2;}')
# We special-case profiles to ensure we read the config
if [ "$1" = "--show-profile" ]; then
type="ShowProfile"
elif [ "$1" = "--profile" ]; then
type="Profile"
fi
declare -a candidates
case $type in
String)
if echo "$doc" | grep -q '\[file\]' ; then
if [ "$cur" = '=' ]; then
# Without this, _filedir will try and complete files starting with '='
cur=""
fi
_filedir 2>/dev/null || COMPREPLY=($(compgen -f))
return 0
else
candidates=($(mpv --no-config $1=help | grep -v ':' | awk '{print $1;}'))
candidates+=("help")
fi
;;
Flag)
candidates=("yes" "no" "help")
;;
Choices:|Object)
candidates=($(mpv --no-config $1=help | grep -v ':' | awk '{print $1;}'))
candidates+=("help")
;;
Image)
candidates=($(mpv --no-config $1=help))
candidates=("${candidates[@]:2}")
candidates+=("help")
;;
Profile)
candidates=($(mpv $1=help | grep -v ':' | awk '{print $1;}'))
candidates+=("help")
;;
ShowProfile)
candidates=($(mpv $1= | grep -v ':' | awk '{print $1;}'))
;;
*)
# There are other categories; some of which we could do something smarter
# about, with enough work.
;;
esac
COMPREPLY=($(compgen -W "${candidates[*]}" -- "${partial}"))
if [ ${#COMPREPLY[@]} -gt 1 ]; then
compopt -o nospace mpv
fi
}
# This regex detects special options where we don't want an '=' appended
_mpv_special_regex='\s(Flag.*\[not in config files\]|Print)'
_mpv_skip_regex='\sremoved \[deprecated\]'
_mpv_regular_options=($(echo "$_mpv_options" | grep -vE "$_mpv_skip_regex" | \
grep -vE "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv_special_options=($(echo "$_mpv_options" | grep -vE "$_mpv_skip_regex" | \
grep -E "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv()
{
compopt +o nospace mpv
# _filedir requires the current candidate be in $cur
local cur=${COMP_WORDS[COMP_CWORD]}
local prev=${COMP_WORDS[((COMP_CWORD - 1))]}
if [ "$cur" = '=' ]; then
# If the current word is '=' then we are looking for an argument for the
# option specified by the previous word.
_mpv_get_args "$prev"
elif [ "$prev" = '=' ]; then
# If the previous word is '=' then we are completing an argument for the
# option specified by the word before the '='.
local prevprev=${COMP_WORDS[((COMP_CWORD - 2))]}
_mpv_get_args "$prevprev" "$cur"
else
case $cur in
-*)
COMPREPLY=($(compgen -W "${_mpv_regular_options[*]}" -S '=' -- "${cur}"))
local normal_count=${#COMPREPLY[@]}
COMPREPLY+=($(compgen -W "${_mpv_special_options[*]}" -- "${cur}"))
if [ $normal_count -gt 0 -o ${#COMPREPLY[@]} -gt 1 ]; then
compopt -o nospace mpv
fi
;;
*)
_filedir 2>/dev/null || COMPREPLY=($(compgen -f))
;;
esac
fi
}
complete -F _mpv mpv