From 169853692017480d065208cb768b83f1014cf68a Mon Sep 17 00:00:00 2001
From: Andreas Baumann <andreas.baumann@eurospider.com>
Date: Wed, 26 Feb 2020 07:34:48 +0100
Subject: added jargs, made it build again, but it bases on a really old Lucene
 3.5.0, so it's no longer of any use for modern Lucene/SolR/ElasticSearch

---
 3rdParty/jargs-1.0/examples/gnu/OptionTest.java | 139 ++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 3rdParty/jargs-1.0/examples/gnu/OptionTest.java

(limited to '3rdParty/jargs-1.0/examples/gnu/OptionTest.java')

diff --git a/3rdParty/jargs-1.0/examples/gnu/OptionTest.java b/3rdParty/jargs-1.0/examples/gnu/OptionTest.java
new file mode 100644
index 0000000..9b38b04
--- /dev/null
+++ b/3rdParty/jargs-1.0/examples/gnu/OptionTest.java
@@ -0,0 +1,139 @@
+package jargs.examples.gnu;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+import jargs.gnu.CmdLineParser;
+
+
+public class OptionTest {
+
+    private static void printUsage() {
+        System.err.println(
+"Usage: OptionTest [-d,--debug] [{-v,--verbose}] [{--alt}] [{--name} a_name]\n" +
+"                  [{-s,--size} a_number] [{-f,--fraction} a_float] [a_nother]");
+    }
+
+    public static void main( String[] args ) {
+
+        // First, you must create a CmdLineParser, and add to it the
+        // appropriate Options.
+
+        // To start with, we add the Options -d, -v, -s, and -f, with aliases
+        // --debug, --verbose, --size, and --fraction respectively.
+
+        // The -d and -v options have no associated value -- they are either
+        // present, or they are not.  The -s and -f options take integer and
+        // double-precision floating-point values respectively.
+
+        CmdLineParser parser = new CmdLineParser();
+        CmdLineParser.Option debug = parser.addBooleanOption('d', "debug");
+        CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
+        CmdLineParser.Option size = parser.addIntegerOption('s', "size");
+        CmdLineParser.Option fraction = parser.addDoubleOption('f', "fraction");
+
+        // Options may have just a long form with no corresponding short form.
+        // Here, we add --alt and --name options.
+
+        CmdLineParser.Option alt = parser.addBooleanOption("alt");
+        CmdLineParser.Option name = parser.addStringOption("name");
+
+
+        // Next, you must parse the user-provided command line arguments, and
+        // catch any errors therein.
+
+        // Options may appear on the command line in any order, and may even
+        // appear after some or all of the non-option arguments.
+
+        // If the user needs to specify non-option arguments that start with a
+        // minus, then they may indicate the end of the parsable options with
+        // -- , like this:
+
+        // prog -f 20 -- -10 -fred
+
+        // The -f 20 will be parsed as the fraction option, with the value 20.
+        // The -10 and -fred arguments will be regarded as non-option
+        // arguments, and passed through getRemainingArgs as unparsed Strings.
+
+        // Short boolean options may be specified separately (-d -v) or
+        // together (-dv).
+
+        // Options with values may be given on the command line as -f 1.0 or
+        // --fraction=1.0.
+
+        try {
+            parser.parse(args);
+        }
+        catch ( CmdLineParser.OptionException e ) {
+            System.err.println(e.getMessage());
+            printUsage();
+            System.exit(2);
+        }
+
+
+        // For options that may be specified only zero or one time, the value
+        // of that option may be extracted as shown below.  If the options
+        // were not specified, the corresponding values will be null.
+
+        Boolean debugValue = (Boolean)parser.getOptionValue(debug);
+        String nameValue = (String)parser.getOptionValue(name);
+
+        // Alternatively, you may specify a default value.  This will be
+        // returned (instead of null) when the command line argument is
+        // missing.
+
+        Boolean altValue =
+            (Boolean)parser.getOptionValue(alt, Boolean.FALSE);
+        Integer sizeValue =
+            (Integer)parser.getOptionValue(size, new Integer(42));
+
+        // If your application requires it, options may be specified more than
+        // once.  In this case, you may get all the values specified by the
+        // user, as a Vector:
+
+        Vector fractionValues = parser.getOptionValues(fraction);
+
+        // Alternatively, you may make the loop explicit:
+
+        int verbosity = 0;
+        while (true) {
+            Boolean verboseValue = (Boolean)parser.getOptionValue(verbose);
+
+            if (verboseValue == null) {
+                break;
+            }
+            else {
+                verbosity++;
+            }
+        }
+
+        // The remaining command-line arguments -- those that do not start
+        // with a minus sign -- can be captured like this:
+
+        String[] otherArgs = parser.getRemainingArgs();
+
+
+        // For testing purposes, we just print out the option values and
+        // remaining command-line arguments.  In a real program, of course,
+        // one would pass them to a function that does something more useful.
+
+        System.out.println("debug: " + debugValue);
+        System.out.println("alt: " + altValue);
+        System.out.println("size: " + sizeValue);
+        System.out.println("name: " + nameValue);
+
+        System.out.println("verbosity: " + verbosity);
+
+        Enumeration e = fractionValues.elements();
+        while (e.hasMoreElements()) {
+            System.out.println("fraction: " + (Double)e.nextElement());
+        }
+
+        System.out.println("remaining args: ");
+        for ( int i = 0; i < otherArgs.length; ++i ) {
+            System.out.println(otherArgs[i]);
+        }
+
+        System.exit(0);
+    }
+}
-- 
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