yt.bash-completion

#bash completion for yt

_yt()
{
    #When the function or command is invoked, the first argument is the name of
    #the command whose arguments are being completed, the second argument is the
    #word being completed, and the third argument is the word preceding the word
    #being  completed on  the current command line.

    #program_name=$1
    #cur=$2
    #prev=$3

    #defining local vars
    local cur prev opts
    COMPREPLY=() #clean out last completions
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    OPTS="-h --help --player --novideo --bandwidth"

    #=======================================================
    #                   Nested options <1st layer>
    #=======================================================
    player_opts="mplayer omxplayer"

    ########################################################
    # -W wordlist
    # -A action (see bash 'complete' build-in command)
    # -G globalpath
    # -C command
    # -F function
    # -X filterpath
    # -P preffix
    # -S suffix

    case "${prev}" in
         ##1st layer
         --player)
            COMPREPLY=( $( compgen -W "$player_opts" -- $cur ))
            return 0
            ;;
    esac

    #general options
    case "${cur}" in
        -*)
            COMPREPLY=( $( compgen -W "$OPTS" -- $cur ))
            ;;
        *)
            COMPREPLY=( $( compgen -W "$OPTS" -- $cur ))
            ;;
    esac
}

complete -F _yt yt