com.mchange.util.impl.CommandLineParserImpl Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.9
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
/*
* This class is modified from swaldman.util.CommandLineParser,
* which was written at the MIT Media Lab by Steve Waldman
*/
package com.mchange.util.impl;
import com.mchange.util.*;
/**
* @deprecated Use com.mchange.v2.cmdline.CommandLineUtils instead
*/
public class CommandLineParserImpl extends Object implements CommandLineParser
{
String[] argv;
String[] validSwitches;
String[] reqSwitches;
String[] argSwitches;
char switch_char;
public CommandLineParserImpl(String[] argv, String[] validSwitches, String[] reqSwitches,
String[] argSwitches, char switch_char)
{
this.argv = argv;
this.validSwitches = (validSwitches == null ? new String[0] : validSwitches);
this.reqSwitches = (reqSwitches == null ? new String[0] : reqSwitches);
this.argSwitches = (argSwitches == null ? new String[0] : argSwitches);
this.switch_char = switch_char;
}
public CommandLineParserImpl(String[] argv, String[] validSwitches, String[] reqSwitches, String[] argSwitches)
{this(argv, validSwitches, reqSwitches, argSwitches, '-');}
public boolean checkSwitch(String sw)
{
for (int i = 0; i < argv.length; ++i)
if (argv[i].charAt(0) == switch_char && argv[i].equals(switch_char + sw))
return true;
return false;
}
public String findSwitchArg(String sw)
{
for (int i = 0; i < argv.length - 1; ++i)
if (argv[i].charAt(0) == switch_char && argv[i].equals(switch_char + sw))
return (argv[i+1].charAt(0) == switch_char ? null : argv[i+1]);
return null;
}
public boolean checkArgv()
{
// boolean out = checkValidSwitches();
// System.out.println(out);
// System.out.println(out &= checkRequiredSwitches());
// System.out.println(out &= checkSwitchArgSyntax());
// return out;
return checkValidSwitches() && checkRequiredSwitches() && checkSwitchArgSyntax();
}
boolean checkValidSwitches()
{
i_loop:
for (int i = 0; i < argv.length; ++ i)
if (argv[i].charAt(0) == switch_char)
{
for (int j = 0; j < validSwitches.length; ++j)
if (argv[i].equals(switch_char + validSwitches[j])) continue i_loop;
return false;
}
return true;
}
boolean checkRequiredSwitches()
{
for (int i = reqSwitches.length; --i >= 0;)
if (!checkSwitch(reqSwitches[i])) return false;
return true;
}
boolean checkSwitchArgSyntax()
{
for (int i = argSwitches.length; --i >= 0;)
{
if (checkSwitch(argSwitches[i]))
{
String check = findSwitchArg(argSwitches[i]);
if (check == null || check.charAt(0) == switch_char)
return false;
}
}
return true;
}
public int findLastSwitched()
{
for (int i = argv.length; --i >= 0;)
if (argv[i].charAt(0) == switch_char)
return i;
return -1;
}
public String[] findUnswitchedArgs()
{
String[] bigArray = new String[argv.length];
int count = 0;
for (int i = 0; i < argv.length; ++i)
{
if (argv[i].charAt(0) == switch_char)
{if (contains(argv[i].substring(1), argSwitches)) ++i;}
else bigArray[count++] = argv[i];
}
String[] out = new String[count];
System.arraycopy(bigArray, 0, out, 0, count);
return out;
}
private static boolean contains(String string, String[] list)
{
for (int i = list.length; --i >= 0;)
if (list[i].equals(string)) return true;
return false;
}
}