# optipng(1) completion                                    -*- shell-script -*-

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

    match $prev {
        with -'?'|-h|--help|-f
            return
            
        with -o
            setglobal COMPREPLY = '( '$( compgen -W '{0..7}' -- "$cur" ) )
            return
            
        with -out|-log
            _filedir
            return
            
        with -dir
            _filedir -d
            return
            
        with -i
            setglobal COMPREPLY = '( '$( compgen -W '0 1' -- "$cur" ) )
            return
            
        with -zc|-zm
            setglobal COMPREPLY = '( '$( compgen -W '{1..9}' -- "$cur" ) )
            return
            
        with -zw
            setglobal COMPREPLY = '( '$( compgen -W '256 512 1k 2k 4k 8k 16k 32k' \
                -- "$cur" ) )
            return
            
        with -strip
            setglobal COMPREPLY = '( '$( compgen -W 'all' -- "$cur" ) )
            return
            
    }

    if [[ $cur == -* ]] {
        setglobal COMPREPLY = '( '$( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        return
    }

    _filedir '@(png|bmp|gif|pnm|tif?(f))'
} &&
complete -F _optipng optipng

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