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#!/bin/bash
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Generates eclipse files for Bazel
set -eu
progname=$0
function usage() {
echo "Usage: $progname command args..." >&2
echo "Possible commands are:" >&2
echo " classpath java_paths lib_paths jre output_path" >&2
echo " factorypath project_name plugin_paths" >&2
echo " project project_name" >&2
echo " apt_settings output_path" >&2
exit 1
}
function read_entry() {
if [[ -e "${1// /_}" ]]; then
cat "$1"
else
echo "$1"
fi
}
function generate_classpath() {
if [[ "$#" != 4 ]]; then
usage
fi
java_paths="$(read_entry "$1")"
lib_paths="$(read_entry "$2")"
jre="$3"
output_path="$4"
cat <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
EOF
for path in $java_paths; do
echo " <classpathentry kind=\"src\" path=\"$path\"/>"
done
for path_pair in $lib_paths; do
path_arr=(${path_pair//:/ })
jar=${path_arr[0]}
source_path=${path_arr[1]-}
if [ -n "${source_path}" ]; then
echo " <classpathentry kind=\"lib\" path=\"${jar}\" sourcepath=\"${source_path}\"/>"
else
echo " <classpathentry kind=\"lib\" path=\"${jar}\"/>"
fi
done
# Write the end of the .classpath file
cat <<EOF
<classpathentry kind="output" path="${output_path}"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/${jre}">
<accessrules>
<accessrule kind="accessible" pattern="**"/>
</accessrules>
</classpathentry>
</classpath>
EOF
}
function generate_factorypath() {
if [ "$#" != 2 ]; then
usage
fi
project_name="$1"
plugin_paths="$(read_entry "$2")"
cat <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<factorypath>
EOF
for path in $plugin_paths; do
echo " <factorypathentry kind=\"WKSPJAR\" id=\"/${project_name}/${path}\" enabled=\"true\" runInBatchMode=\"false\" />"
done
# Write the end of the .factorypath file
cat <<EOF
</factorypath>
EOF
}
function generate_project() {
if [ "$#" != 1 ]; then
usage
fi
project_name=$1
cat <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>${project_name}</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>
EOF
}
function generate_apt_settings() {
if [ "$#" != 1 ]; then
usage
fi
output_path=$1
cat <<EOF
eclipse.preferences.version=1
org.eclipse.jdt.apt.aptEnabled=true
org.eclipse.jdt.apt.genSrcDir=${output_path}
org.eclipse.jdt.apt.reconcileEnabled=true
EOF
}
command=$1
shift
case "${command}" in
classpath)
generate_classpath "$@"
;;
factorypath)
generate_factorypath "$@"
;;
project)
generate_project "$@"
;;
apt_settings)
generate_apt_settings "$@"
;;
*)
usage
;;
esac
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