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

_optipng()
{
    local cur prev words cword
    _init_completion || return

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

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
        return
    fi

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

# ex: filetype=sh