org.codehaus.groovy.tools.shell.completion.CommandNameCompleter.groovy Maven / Gradle / Ivy

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.codehaus.groovy.tools.shell.completion

import org.codehaus.groovy.tools.shell.Command
import org.codehaus.groovy.tools.shell.CommandRegistry
import org.codehaus.groovy.tools.shell.util.SimpleCompletor

/**
 * Completor for the command.names
 *
 * @author Jason Dillon
 */
class CommandNameCompleter extends SimpleCompletor {
    private final CommandRegistry registry

    CommandNameCompleter(final CommandRegistry registry) {
        assert registry

        this.registry = registry
    }

    @Override
    SortedSet getCandidates() {
        SortedSet set = new TreeSet()

        for (Command command in registry.commands()) {
            if (command.hidden) {
                continue
            }

            set << command.name
            set << command.shortcut
        }

        return set
    }
}