# (C) 2010 magicant

# Completion script for the "sed" command.
# Supports POSIX 2008, GNU sed 4.2.1, FreeBSD 8.1, OpenBSD 4.8, NetBSD 5.0,
# Mac OS X 10.6.4, SunOS 5.10, HP-UX 11i v3.

function completion/sed {

        case $("${WORDS[1]}" --version 2>/dev/null) in
                (*'GNU sed'*) typeset type=GNU ;;
                (*)           typeset type="$(uname 2>/dev/null)" ;;
        esac
        case $type in
                (GNU) typeset long=true ;;
                (*)   typeset long= ;;
        esac

        typeset OPTIONS ARGOPT PREFIX
        OPTIONS=( #>#
        "e: ${long:+--expression:}; specify a sed script directly"
        "f: ${long:+--file:}; specify a file containing sed script"
        "n ${long:+--quiet --silent}; suppress default output"
        ) #<#

        case $type in
        (GNU)
                OPTIONS=("$OPTIONS" #>#
                "b --binary; don't convert CR-LF into LF"
                "i:: --in-place::; modify files in-place, making backups with the specified filename suffixes"
                "l: --line-length:; specify the line length for the l command"
                "r --regexp-extended; use extended regular expression"
                "s --separate; treat each operand file separately"
                "u --unbuffered; disable input/output buffering"
                "--follow-symlinks; follow symbolic links in operands (with -i)"
                "--posix; disable non-POSIX extensions"
                "--help"
                "--version"
                ) #<#
                ;;
        (*BSD|Darwin)
                OPTIONS=("$OPTIONS" #>#
                "a; open files for the w command only when needed"
                "E; use extended regular expression"
                ) #<#
                case $type in
                (FreeBSD|Darwin)
                        OPTIONS=("$OPTIONS" #>#
                        "i:; modify files in-place, making backups with the specified filename suffixes"
                        "l; disable output buffering"
                        ) #<#
                        case $type in (FreeBSD)
                                OPTIONS=("$OPTIONS" #>#
                                "I:; like -i, but don't treat input files separately"
                                ) #<#
                        esac
                        ;;
                (OpenBSD)
                        OPTIONS=("$OPTIONS" #>#
                        "u; disable output buffering"
                        ) #<#
                        ;;
                esac
                ;;
        esac

        command -f completion//parseoptions ${long:+-es}
        case $ARGOPT in
        (-)
                command -f completion//completeoptions
                ;;
        (e|--expression)
                ;;
        (*)
                complete -P "$PREFIX" -f
                ;;
        esac

}


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