# bash completion for cdrecord/wodim

# We set -o nospace and turn it off in several places for bash < 4
# reasons; assuming bash >= 4 we could instead not turn it on
# initially but only in the few cases where it's actually needed.

have cdrecord || have wodim &&
_cdrecord()
{
    local cur prev i generic_options track_options track_mode

    COMPREPLY=()
    _get_comp_words_by_ref -n = cur prev

    # foo=bar style option
    if [[ "$cur" == *=* ]]; then
        prev=${cur%%=*}
        cur=${cur#*=}
        case $prev in
            textfile|cuefile|msifile)
                compopt +o nospace &>/dev/null
                _filedir
                ;;
            blank)
                compopt +o nospace &>/dev/null
                COMPREPLY=( $( compgen -W 'help all fast track unreserve trtail
                    unclose session' -- "$cur" ) )
                ;;
            driveropts)
                if [[ $cur == *=* ]]; then
                    prev=${cur%%=*}
                    cur=${cur#*=}
                    case $prev in
                        varirec)
                            compopt +o nospace &>/dev/null
                            COMPREPLY=( $( compgen -W "-2 -1 0 1 2" \
                                -- "$cur" ) )
                            ;;
                        gigarec)
                            compopt +o nospace &>/dev/null
                            COMPREPLY=( $( compgen -W "0.6 0.7 0.8 1.0 1.2 1.3
                                1.4" -- "$cur" ) )
                            ;;
                        tattoofile)
                            compopt +o nospace &>/dev/null
                            _filedir
                            ;;
                    esac
                else
                    COMPREPLY=( $( compgen -W 'burnfree noburnfree varirec=
                        gigarec= audiomaster forcespeed noforcespeed speedread
                        nospeedread singlesession nosinglesession hidecdr
                        nohidecdr tattooinfo tattoofile=' -- "$cur" ) )
                    [[ ${#COMPREPLY[@]} == 1 && ${COMPREPLY[0]} != *= ]] && \
                        compopt +o nospace &>/dev/null
                fi
                ;;
            driver)
                compopt +o nospace &>/dev/null
                COMPREPLY=( $( compgen -W "$( $1 driver=help 2>&1 | \
                    awk 'NR > 1 { print $1 }' ) help" -- "$cur" ) )
                ;;
            minbuf)
                compopt +o nospace &>/dev/null
                COMPREPLY=( $( compgen -W "$( seq 25 95 2>/dev/null )" \
                    -- "$cur" ) )
                ;;
        esac
        return 0
    fi

    generic_options=( -version -v -V -d -silent -force -immed -dummy -clone \
        -dao -sao -tao -raw -raw96r -raw96p -raw16 -multi -msinfo -toc -atip \
        -fix -nofix -waiti -load -lock -eject -format -setdropts -checkdrive \
        -prcap -inq -scanbus --devices -reset -abort -overburn -ignsize \
        -useinfo -packet -noclose -text debug= kdebug= minbuf= msifile= \
        speed= blank= fs= ts= dev= gracetime= timeout= driver= driveropts= \
        defpregap= pktsize= mcn= textfile= cuefile= )
    track_options=( -audio -swab -data -mode2 -xa -xa1 -xa2 -xamix -cdi \
        -isosize -pad -nopad -shorttrack -noshorttrack -preemp -nopreemp \
        -copy -nocopy -scms isrc= index= padsize= pregap= tsize= )
    # look if previous was either a file or a track option
    track_mode=0
    if [ $COMP_CWORD -gt 1 ]; then
        if [ -f "$prev" ]; then
            track_mode=1
        else
            for (( i=0; i < ${#track_options[@]}; i++ )); do
                if [[ "${track_options[i]}" == "$prev" ]]; then
                    track_mode=1
                    break
                fi
            done
        fi
    fi

    # files are always eligible completion
    _filedir
    # track options are always available
    COMPREPLY=( "${COMPREPLY[@]}" \
        $( compgen -W '${track_options[@]}' -- "$cur" ) )
    # general options are no more available after file or track option
    if [ $track_mode -eq 0 ]; then
        COMPREPLY=( "${COMPREPLY[@]}" \
            $( compgen -W '${generic_options[@]}' -- "$cur" ) )
    fi
    [[ ${#COMPREPLY[@]} == 1 && ${COMPREPLY[0]} != *= ]] && \
        compopt +o nospace &>/dev/null
} &&
complete -F _cdrecord -o nospace cdrecord wodim

# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh