# Gentoo Linux Bash Shell Command Completion
#
# Copyright 1999-2013 Gentoo Authors
# Distributed under the terms of the GNU General Public License, v2 or later

#
# java-config completion command
#
_javaconfig()
{
    local cur prev curword numwords opts args arg spec flag sedcmd grepcmd
    local multiplepkgs pkgs execopts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    numwords=${#COMP_WORDS[*]}
    curword=${COMP_CWORD}
    opts=""
    args=""
    pkgs=""
    sedcmd="sed -r -e s/\[([^]]+)\].*/\1/"
    vmsedcmd="sed -r -e s/\[([^]]+)\]/\1/"
    grepcmd="egrep -o (--set-(system|user)-(classpath|vm)=)"
    multiplepkgs=""
    execopts="HtmlConverter JavaPluginControlPanel \
    appletviewer awt_robot \
    extcheck \
    idlj \
    j2sdk-config jar jarsigner \
    java java-rmi.cgi java_vm javac javadoc javah javap jdb \
    keytool kinit klist ktab \
    native2ascii \
    oldjava oldjavac oldjdb orbd \
    policytool \
    realpath rmic rmid rmiregistry \
    serialver servertool \
        tnameserv"
    if [[ "${cur}" == -* ]] || [ ${curword} -eq 1 ]; then
    case "${cur}" in
        --java)
        opts="--java --javac --java-version"
        ;;
        --j@(a@(r|va@(c|-version))|@(dk|re)-home))
        opts=""
        ;;
        --list-available-@(packages|vms))
        opts=""
        ;;
        --@(exec|set-@(user|system)-@(classpath|vm)))
        opts="${cur}="
        ;;
        --set-@(user|system)-@(classpath|vm)=)
        if [[ "${cur}" == "--set-system-vm=" ]] || [[ "${cur}" == "--set-user-vm=" ]]; then
            flag="--list-available-vms"
            args=$(java-config --nocolor "${flag}" | cut --delimiter=' ' --fields=2 | ${vmsedcmd})
        else
            flag="--list-available-packages"
            args=$(java-config --nocolor "${flag}" | ${sedcmd})
        fi
        for arg in ${args}; do
            [[ -n "${opts}" ]] && opts="${opts} ${arg}" || opts="${arg}"
        done
        COMPREPLY=($(compgen $nospace -W "${opts}"))
        return 0
        ;;
        --exec=)
        COMPREPLY=($(compgen $nospace -W "${execopts}"))
        return 0
        ;;
        *)
            if [[ "${cur}" == "--set-system-vm="* ]] || [[ "${cur}" == "--set-user-vm="* ]]; then
            args=$(java-config --nocolor --list-available-vms | cut --delimiter=' ' --fields=2 | ${vmsedcmd})
            if [[ "${cur}" == "--set-system-vm="* ]]; then
            spec=${cur##--set-system-vm=}
            else
            spec=${cur##--set-user-vm=}
            fi
            for arg in ${args}; do
            if [[ "${arg:0:${#spec}}" == "${spec}" ]]; then
                [[ -n "${opts}" ]] && opts="${opts} ${arg}" || opts="${arg}"
            fi
            done
            [[ "${opts}" == "${spec}" ]] && opts=""
            COMPREPLY=($(compgen -W "${opts}"))
            return 0
        elif [[ "${cur}" == "--set-system-classpath="* ]] || [[ "${cur}" == "--set-user-classpath="* ]]; then
            args=$(java-config --nocolor --list-available-packages | ${sedcmd})
            [[ $(echo "${cur}" | grep -c ",") -gt 0 ]] && multiplepkgs="true"
            if [[ "${cur}" == "--set-system-classpath="* ]]; then
            spec="${cur##--set-system-classpath=}"
            else
            spec="${cur##--set-user-classpath=}"
            fi
            if [[ -n "${multiplepkgs}" ]]; then
            pkgs="${spec%,*}"
            spec="${spec##*,}"
            fi
            if [[ -n "${multiplepkgs}" ]]; then
                for arg in ${args}; do
                if [[ "${spec}" ]]; then
                    if [[ "${arg:0:${#spec}}" == "${spec}" ]] \
                        && [[ ! $(echo "${cur}" | egrep -o "(=|,)${arg},") ]]
                                then
                    [[ -n "${opts}" ]] && opts="${opts} ${pkgs},${arg}" || opts="${pkgs},${arg}"
                    fi
                else
                    if [[ ! $(echo "${cur}" | egrep -o "(=|,)${arg},") ]]; then
                        [[ -n "${opts}" ]] && opts="${opts} ${pkgs},${arg}" || opts="${pkgs},${arg}"
                    fi
                fi
                done
            [[ "${opts}" == "${pkgs},${spec}" ]] && opts=""
            else
                for arg in ${args}; do
                if [[ "${spec}" ]] && [[ "${arg:0:${#spec}}" == "${spec}" ]]; then
                [[ -n "${opts}" ]] && opts="${opts} ${arg}" || opts="${arg}"
                fi
            done
            [[ "${opts}" == "${spec}" ]] && opts=""
            fi
            COMPREPLY=($(compgen -W "${opts}"))
            return 0
        elif [[ "${cur}" == "--exec="* ]]; then
            spec=${cur##--exec=}
            for arg in ${execopts}; do
            if [[ "${arg:0:${#spec}}" == "${spec}" ]]; then
                [[ -n "${opts}" ]] && opts="${opts} ${arg}" || opts="${arg}"
            fi
            done
            [[ "${opts}" == "${spec}" ]] && opts=""
            COMPREPLY=($(compgen -W "${opts}"))
            return 0
        else
            opts="--classpath --clean-system-classpath --clean-user-classpath \
                --exec \
            --full-classpath \
                --jar --java --javac --java-version --jdk-home --jre-home \
                --list-available-packages --list-available-vms \
            --nocolor \
            --set-system-classpath --set-system-vm --set-user-classpath --set-user-vm"
            [[ "$prev" == "--nocolor" ]] && opts="${opts/--nocolor}"
        fi
            ;;
        esac
    elif [[ "$prev" == "--nocolor" ]] && [ ${curword} -eq 2 ] && [ $numwords -le 3 ]; then
    opts="--classpath --clean-system-classpath --clean-user-classpath \
        --exec \
        --full-classpath \
        --jar --java --javac --java-version --jdk-home --jre-home \
        --list-available-packages --list-available-vms \
        --set-system-classpath --set-system-vm --set-user-classpath --set-user-vm"
    fi
    COMPREPLY=($(compgen $nospace -W "${opts}" -- ${cur}))
    return 0
} &&
complete $nospace -F _javaconfig java-config

# vim: ft=sh:et:ts=4:sw=4:tw=80