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# -*-eselect-*- vim: ft=eselect
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
DESCRIPTION="Manage ECJ targets"
MAINTAINER="java@gentoo.org"
VERSION="0.7"
ECJ="${EROOT}/usr/bin/ecj"
ECJ_JAR="${EROOT}/usr/share/eclipse-ecj/ecj.jar"
# find a list of ecj symlink targets, best first.
find_targets() {
for f in $(ls -r "${ECJ}"-[0-9]* "${ECJ}"-gcj-[0-9]* 2> /dev/null) ; do
if [[ -f "${f}" ]] ; then
echo $(basename "${f}")
fi
done
}
# get a named or numbered target.
find_target() {
local target=${1}
if is_number "${target}" && [[ ${target} -ge 1 ]] ; then
targets=( $(find_targets ) )
[[ -z "${targets}" ]] && die -q "No targets found!"
target=${targets[target-1]}
fi
if [[ "${target}" = ecj-[0-9]* || "${target}" = ecj-gcj-[0-9]* ]] \
&& [[ -f "${EROOT}/usr/bin/${target}" ]] ; then
echo ${target}
else
die -q "Target \"${1}\" doesn't appear to be valid!"
fi
}
# determine the current target.
get_target() {
local canonicalised=$(canonicalise "${ECJ}")
echo $(basename "${canonicalised}")
}
### show action ###
describe_show() {
echo "Show current ECJ target"
}
do_show() {
if [[ ${#} -gt 0 ]]; then
die -q "No parameters allowed."
fi
if [[ -L "${ECJ}" ]] ; then
get_target
return 0
elif [[ -e "${ECJ}" ]] ; then
echo "(not a symlink)" >&2
return 1
else
echo "(unset)" >&2
return 1
fi
}
### list action ###
describe_list() {
echo "List available ECJ targets"
}
do_list() {
if [[ ${#} -gt 0 ]]; then
die -q "Usage error: no parameters allowed."
fi
local i targets
targets=( $(find_targets) )
for (( i = 0; i < ${#targets[@]}; i++ )); do
[[ ${targets[i]} = $(basename "$(canonicalise "${ECJ}")") ]] \
&& targets[i]=$(highlight_marker "${targets[i]}")
done
write_list_start "Available ECJ targets:"
write_numbered_list -m "(none found)" "${targets[@]}"
}
### set action ###
describe_set() {
echo "Set a new ECJ target"
}
describe_set_options() {
echo "target : Target name or number (from 'list' action)"
}
describe_set_parameters() {
echo "<target>"
}
do_set() {
[[ ${1} ]] || die -q "You didn't give me a target name or number."
[[ ${2} ]] && die -q "Too many parameters. Expected only one."
local target=$(find_target "${1}")
rm -f "${ECJ}" "${ECJ_JAR}"
ln -sf "${target}" "${ECJ}" || die "Couldn't set ${target} symlink."
mkdir -p $(dirname ${ECJ_JAR})
[[ "${target}" != ecj-gcj* ]] && target="eclipse-${target}"
ln -sf "${EROOT}"/usr/share/${target}/lib/ecj.jar ${ECJ_JAR} \
|| die -q "Wasn't able to set a new provider."
}
### update action ###
describe_update() {
echo "Set the ECJ target to the latest if the current target is invalid or if the given target is the latest"
}
describe_update_options() {
echo "target (optional) : Target name (from 'list' action)"
}
describe_update_parameters() {
echo "<target>"
}
do_update() {
[[ ${1} ]] && find_target "${1}" >/dev/null
[[ ${2} ]] && die -q "Too many parameters. Expected only one."
if [[ ! -f "${ECJ}" ]] || [[ ! -f "${ECJ_JAR}" ]]; then
local target="${1}"
if [[ -z "${target}" ]]; then
local all_targets=( $(find_targets) )
target=${all_targets}
fi
if [[ ${target} ]]; then
do_set ${target}
else
rm -f "${ECJ}" "${ECJ_JAR}"
fi
fi
}
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