/***** BEGIN LICENSE BLOCK *****

* Version: EPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* 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.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2011 Koichiro Ohba <koichiro@meadowy.org>
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the LGPL are applicable instead
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package org.jruby.ext.nkf;

import java.util.Map; import java.util.LinkedHashMap; import java.util.regex.Matcher;

public class Options {

private final Map<String, Option> shortOpts = new LinkedHashMap<String, Option>();
private final Map<String, Option> longOpts = new LinkedHashMap<String, Option>();

public Options addOption(String opt) {
    return addOption(opt, null);
}
public Options addOption(String opt, String longOpt) {
    return addOption(opt, longOpt, null);
}
public Options addOption(String opt, String longOpt, String pattern) {
    return addOption(new Option(opt, longOpt, pattern));
}
public Options addOption(Option opt) {
    if (opt.hasLongOpt()) {
        longOpts.put(opt.getLongOpt(), opt);
    }
    if (opt.hasShortOpt()) {
        shortOpts.put(opt.getOpt(), opt);
    }
    return this;
}
boolean hasShortOption(String opt) {
    for (Map.Entry<String , Option> e : shortOpts.entrySet()) {
        if (opt.startsWith(e.getKey())) {
            return true;
        }
    }
    return false;
}
public Option matchShortOption(String opt) {
    // independent of opt length
    for (Map.Entry<String , Option> e : shortOpts.entrySet()) {
        //System.out.println(opt + " = " + e.getKey());
        if (opt.startsWith(e.getKey())) {
            //System.out.println("match[" + e.getKey() + "]");
            Option cmd = e.getValue();
            if (cmd.hasArg()) {
                Matcher m = cmd.pattern().matcher(opt);
                if (m.find()) {
                    //System.out.println("regix[" + m.group() + "]");
                    cmd.setValue(m.group());
                }
            }
            return cmd;
        }
    }
    return null;
}
boolean hasLongOption(String opt) {
    for (Map.Entry<String , Option> e : longOpts.entrySet()) {
        if (opt.startsWith(e.getKey())) {
            return true;
        }
    }
    return false;
}
Option matchLongOption(String opt) {
    for (Map.Entry<String , Option> e : longOpts.entrySet()) {
        //System.out.println(opt + " = " + e.getKey());
        if (opt.startsWith(e.getKey())) {
            //System.out.println("match[" + e.getKey() + "]");
            Option cmd = e.getValue();
            if (cmd.hasArg()) {
                Matcher m = cmd.pattern().matcher(opt);
                if (m.find()) {
                    //System.out.println("regix[" + m.group() + "]");
                    cmd.setValue(m.group(1));
                }
            }
            return cmd;
        }
    }
    return null;
}

}