# lz4 completion                                           -*- shell-script -*-

proc _lz4
{
    var cur = '', prev = '', words = '', cword = ''
    _init_completion || return

    match $prev {
        with -b
            _filedir
            return
            
    }

    if [[ "$cur" == -* ]] {
        setglobal COMPREPLY = '( '$( compgen -W \
            '$( _parse_help "$1" -h | sed -e "/#/d" ) -B{4..7} -i{1..9}' \
            -- "$cur" ) )
        return
    }

    var args = '', word = '', xspec = '"*.?(t)lz4'"
    _count_args
    [[ $args -gt 2 ]] && return

    for word in [$(words[@])] {
        match $word {
            with -*[dt]*
                match $args {
                    with 1 set xspec = ""!"$xspec" 
                    with 2 [[ $word == *t* ]] && return
                }
                break
                
            with -z
                match $args {
                    with 1 set xspec = '' 
                    with 2 set xspec = ""!"$xspec" 
                }
                break
                
        }
    }

    _expand || return 0
    var IFS = '$'\n''
    compopt -o filenames
    setglobal COMPREPLY = '( '$( compgen -f -X "$xspec" -- "$cur" ) \
        $( compgen -d -- "$cur" ) )
} &&
complete -F _lz4 lz4 lz4c

# ex: ts=4 sw=4 et filetype=sh