org.jetbrains.kotlin.compilerRunner.ArgumentUtils Maven / Gradle / Ivy
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* 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.
*/
package org.jetbrains.kotlin.compilerRunner;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.cli.common.arguments.Argument;
import org.jetbrains.kotlin.cli.common.arguments.CommonToolArguments;
import org.jetbrains.kotlin.cli.common.arguments.ParseCommandLineArgumentsKt;
import org.jetbrains.kotlin.utils.StringsKt;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
public class ArgumentUtils {
private ArgumentUtils() {}
@NotNull
public static List convertArgumentsToStringList(@NotNull CommonToolArguments arguments)
throws InstantiationException, IllegalAccessException {
List result = new ArrayList<>();
convertArgumentsToStringList(arguments, arguments.getClass().newInstance(), arguments.getClass(), result);
result.addAll(arguments.freeArgs);
return result;
}
private static void convertArgumentsToStringList(
@NotNull CommonToolArguments arguments,
@NotNull CommonToolArguments defaultArguments,
@NotNull Class clazz,
@NotNull List result
) throws IllegalAccessException, InstantiationException {
for (Field field : clazz.getDeclaredFields()) {
Argument argument = field.getAnnotation(Argument.class);
if (argument == null) continue;
Object value;
Object defaultValue;
try {
value = field.get(arguments);
defaultValue = field.get(defaultArguments);
}
catch (IllegalAccessException ignored) {
// skip this field
continue;
}
if (value == null || Objects.equals(value, defaultValue)) continue;
Class fieldType = field.getType();
if (fieldType.isArray()) {
Object[] values = (Object[]) value;
if (values.length == 0) continue;
value = StringsKt.join(Arrays.asList(values), ",");
}
result.add(argument.value());
if (fieldType == boolean.class || fieldType == Boolean.class) continue;
if (ParseCommandLineArgumentsKt.isAdvanced(argument)) {
result.set(result.size() - 1, argument.value() + "=" + value.toString());
}
else {
result.add(value.toString());
}
}
Class superClazz = clazz.getSuperclass();
if (superClazz != null) {
convertArgumentsToStringList(arguments, defaultArguments, superClazz, result);
}
}
}