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|
#!/bin/bash
in_array() {
local i
for i in "${@:2}"; do
[[ $1 = "$i" ]] && return
done
}
_ponymix() {
local flags='-h --help -c --card -d --device -t --devtype
--source --input --sink --output
--sink-input --source-output'
local types='sink sink-input source source-output'
local verbs=(help defaults set-default list list-short
list-cards list-cards-short get-volume set-volume
get-balance set-balance adj-balance increase decrease
mute unmute toggle is-muted move kill
list-profiles list-profiles-short get-profile set-profile)
local i=0 cur prev verb word devtype dev idx devices
_get_comp_words_by_ref cur prev
for word in "${COMP_WORDS[@]}"; do
# find the verb
if in_array "$word" "${verbs[@]}"; then
verb=$word
break
fi
case $word in
--devtype|-t)
# look ahead to next word
if [[ ${COMP_WORDS[i+1]} ]]; then
devtype=${COMP_WORDS[i+1]}
fi
;;
--devtype=*)
devtype=${word#--devtype=}
;;
-t*)
devtype=${word#-t}
;;
--sink|--output)
devtype=sink
;;
--source|--input)
devtype=source
;;
--sink-input|--source-output)
devtype=${word#--}
;;
esac
(( ++i ))
done
case $prev in
--card|-c)
mapfile -t cards < <(\ponymix list-cards-short 2>/dev/null)
local IFS=$'\n'
COMPREPLY=($(compgen -W '$(printf "%s\n" "${cards[@]//\ /\\ }")' -- "$cur"))
;;
--device|-d)
while IFS=$'\t' read _ dev idx _; do
devices+=("$dev" "$idx")
done < <(\ponymix "--${devtype:-sink}" list-short 2>/dev/null)
local IFS=$'\n'
COMPREPLY=($(compgen -W '$(printf "%s\n" "${devices[@]//\ /\\ }")' -- "$cur"))
;;
--devtype|-t)
COMPREPLY=($(compgen -W '$types' -- "$cur"))
;;
esac
[[ $COMPREPLY ]] && return 0
case $cur in
-*)
COMPREPLY=($(compgen -W '${flags[*]}' -- "$cur"))
;;
*)
[[ -z $verb ]] && COMPREPLY=($(compgen -W '${verbs[*]}' -- "$cur"))
;;
esac
[[ $COMPREPLY ]] && return 0
case $word in
'')
COMPREPLY=($(compgen -W '${verbs[*]}' -- "$cur"))
;;
esac
[[ $COMPREPLY ]] && return 0
case $verb in
move)
if [[ $devtype = sink?(-input) ]]; then
while IFS=$'\t' read _ dev idx _; do
devices+=("$dev" "$idx")
done < <(\ponymix --sink list-short 2>/dev/null)
elif [[ $devtype = source?(-output) ]]; then
while IFS=$'\t' read _ dev idx _; do
devices+=("$dev" "$idx")
done < <(\ponymix --source list-short 2>/dev/null)
fi
if [[ $devices ]]; then
local IFS=$'\n'
COMPREPLY=($(compgen -W '$(printf "%s\n" "${devices[@]//\ /\\ }")' -- "$cur"))
fi
;;
esac
return 0
}
complete -F _ponymix ponymix
# vim: set et ts=2 sw=2:
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