/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.

    C.a.R. 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.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.util;

public class SimpleStringBuffer {
	private int Size, N;
	private char Buf[];

	public SimpleStringBuffer(final int size) {
		Size = size;
		Buf = new char[size];
		N = 0;
	}

	public SimpleStringBuffer(final char b[]) {
		Size = b.length;
		Buf = b;
		N = 0;
	}

	public void append(final char c) {
		if (N < Size)
			Buf[N++] = c;
		else {
			Size = 2 * Size;
			final char NewBuf[] = new char[Size];
			for (int i = 0; i < N; i++)
				NewBuf[i] = Buf[i];
			Buf = NewBuf;
			Buf[N++] = c;
		}
	}

	public void append(final String s) {
		final int n = s.length();
		for (int i = 0; i < n; i++)
			append(s.charAt(i));
	}

	public void clear() {
		N = 0;
	}

	@Override
	public String toString() {
		if (N == 0)
			return "";
		return new String(Buf, 0, N);
	}
}