package javaforce;

/**

*

* @author pquiring

*

* Created : May 4, 2015

*/

import java.util.*;

public class JFArrayChar {

private char buf[];

private int count;

public static int initSize = 64;

public JFArrayChar() {

count = 0;

buf = new char[initSize];

}

public int size() {

return count;

}

public void clear() {

count = 0;

if (buf.length != initSize) buf = new char[initSize];

}

public void append(char f) {

int newcount = count + 1;

if (newcount > buf.length) {

buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount));

}

buf[count] = f;

count = newcount;

}

public void append(char f[]) {

int newcount = count + f.length;

if (newcount > buf.length) {

buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount));

}

System.arraycopy(f, 0, buf, count, f.length);

count = newcount;

}

public char[] toArray() {

return Arrays.copyOf(buf, count);

}

//returns the backing buffer (size may be larger than expected)

public char[] getBuffer() {

return buf;

}

}