001 /* 002 * Copyright (C) 2012 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.cli.impl.completion; 021 022 import org.crsh.cli.descriptor.CommandDescriptor; 023 import org.crsh.cli.impl.Delimiter; 024 import org.crsh.cli.impl.tokenizer.Token; 025 026 import java.util.Set; 027 028 class OptionCompletion<T> extends Completion { 029 030 /** . */ 031 private final CommandDescriptor<T> descriptor; 032 033 /** . */ 034 private final Token.Literal.Option prefix; 035 036 public OptionCompletion(CommandDescriptor<T> descriptor, Token.Literal.Option prefix) { 037 this.descriptor = descriptor; 038 this.prefix = prefix; 039 } 040 041 @Override 042 public CompletionMatch complete() throws CompletionException { 043 org.crsh.cli.spi.Completion.Builder builder = org.crsh.cli.spi.Completion.builder(prefix.getValue()); 044 Set<String> optionNames = prefix instanceof Token.Literal.Option.Short ? descriptor.getShortOptionNames() : descriptor.getLongOptionNames(); 045 for (String optionName : optionNames) { 046 if (optionName.startsWith(prefix.getValue())) { 047 builder.add(optionName.substring(prefix.getValue().length()), true); 048 } 049 } 050 return new CompletionMatch(Delimiter.EMPTY, builder.build()); 051 } 052 }