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/*
 * Copyright (C) 2008, 2011.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 or
 * version 2 as published by the Free Software Foundation.
 *
 * This program 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.  See the GNU
 * General Public License for more details.
 */

package uk.me.parabola.mkgmap;

/**
 * An option or a key value pair.  Immutable class.
 */

public class Option {
        private final String option;
        private final String value;
        private final boolean experimental;
        private final boolean reset;

        protected Option(String optval) {
                String[] v = optval.split("[=:]", 2);

                String name;
                String val;

                if (v.length > 1) {
                        name = v[0].trim();
                        val = v[1].trim();
                } else {
                        name = optval;
                        val = "";
                }

                boolean reset = false;
                if (name.startsWith("no-")) {
                        reset = true;
                        name = name.substring(3);
                        val = null;
                }

                boolean exp = false;
                if (name.startsWith("x-")) {
                        exp = true;
                        name = name.substring(2);
                }

                option = name;
                value = val;
                experimental = exp;
                this.reset = reset;
        }

        protected Option(String option, String value) {
                this(option + '=' + value);
        }

        public String getOption() {
                return option;
        }

        public String getValue() {
                return value;
        }

        public boolean isExperimental() {
                return experimental;
        }

        public boolean isReset() {
                return reset;
        }
}