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

proc _tshark {
    local cur prev words cword
    _init_completion -n : || return

    case (prev) {
        -f|-s|-B|-D|-L|-c|-R|-N|-d|-C|-e|-E|-z|-h|-v|-o|-K {
            return
            }
        -i {
            _available_interfaces -a
            return
            }
        -y {
            local opts i
            for (( i=${#words[@]}-1; i > 0; i-- )); do
                if [[ ${words[i]} == -i ]]; then
                    opts+="-i ${words[i+1]}"
                    break
                fi
            done
            setvar COMPREPLY = ''( $( compgen -W "$( "$1" $opts -L 2>&1 | \
                awk '/^  / { print $1 }' )" -- "$cur" ) )
            return
            }
        -a|-b {
            setvar COMPREPLY = ''( $( compgen -W 'duration: filesize: files:' \
                -- "$cur" ) )
            [[ $COMPREPLY == *: ]] && compopt -o nospace
            return
            }
        -r {
            _filedir pcap
            return
            }
        -H {
            _filedir
            return
            }
        -w {
            _filedir
            [[ $cur == @(|-) ]] && setvar COMPREPLY = ''( - )
            return
            }
        -F {
            setvar COMPREPLY = ''( $( compgen -W "$( "$1" -F 2>&1 | \
                awk '/^  / { print $1 }' )" -- "$cur" ) )
            return
            }
        -O {
            local prefix=; [[ $cur == *,* ]] && setvar prefix = ""${cur%,*},""
            setvar COMPREPLY = ''( $( compgen -P "$prefix" -W \
                "$( "$1" -G protocols 2>&1 | cut -f 3 )" \
                -- "${cur##*,}" ) )
            return
            }
        -T {
            # TODO: could be parsed from "-T ." output
            setvar COMPREPLY = ''( $( compgen -W 'ps text pdml psml fields' -- "$cur" ) )
            return
            }
        -t {
            # TODO: could be parsed from "-t ." output
            setvar COMPREPLY = ''( $( compgen -W 'ad a r d dd e' -- "$cur" ) )
            return
            }
        -u {
            # TODO: could be parsed from "-u ." output
            setvar COMPREPLY = ''( $( compgen -W 's hms' -- "$cur" ) )
            return
            }
        -W {
            setvar COMPREPLY = ''( $( compgen -W 'n' -- "$cur" ) )
            return
            }
        -X {
            if [[ $cur == lua_script:* ]] {
                setvar cur = ${cur#*:}
                _filedir lua
            } else {
                setvar COMPREPLY = ''( $( compgen -W 'lua_script:' -- "$cur" ) )
                [[ $COMPREPLY == *: ]] && compopt -o nospace
            }
            return
            }
        -G {
            setvar COMPREPLY = ''( $( compgen -W "$( "$1" -G ? | \
                awk '/^[ \t]*-G / \
                     { sub("^[[]","",$2); sub("[]]$","",$2); print $2 }' )" \
                -- "$cur" ) )
            return
            }
            
    }

    if [[ "$cur" == -* ]] {
        setvar COMPREPLY = ''( $( compgen -W '$( _parse_help "$1" -h )' -- "$cur" ) )
        return
    }
} &&
complete -F _tshark tshark

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