public class ANSI_ClientString {
public char[] buf;
public int length;
public int visibleLength;
public int colorIndex;
/** Own echoed text doesn't change the color following text */
public boolean isEchoText = false;
/** The colour used to create new strings */
public static int currentColorIndex = 7;
public ANSI_ClientString() {
buf = new char[128];
length = 0;
visibleLength = 0;
colorIndex = currentColorIndex;
}
public ANSI_ClientString(String s) {
buf = s.toCharArray();
length = buf.length;
recomputeVisibleLength();
}
public ANSI_ClientString(char src[], int startPos, int newLength, int newColorIndex) {
buf = new char[Math.max(newLength, 128)];
System.arraycopy(src, startPos, buf, 0, newLength);
length = newLength;
colorIndex = newColorIndex;
recomputeVisibleLength();
}
public void append(char c) {
if (length >= buf.length) {
char[] newBuf = new char[length + 64];
System.arraycopy(buf, 0, newBuf, 0, buf.length);
buf = newBuf;
}
buf[length++] = c;
// if it's not a colour attribute, increase the number of visible
// characters
if ((c & '\uFF00') != '\uFF00') {
visibleLength ++;
}
}
public int recomputeVisibleLength() {
visibleLength = 0;
for (int i = 0; i < length; i++) {
if ((buf[i] & '\uFF00') != '\uFF00') {
visibleLength ++;
}
}
return visibleLength;
}
public int lastIndexOf(char c, int beforeVisiblePosition) {
int foundPos = -1;
int visibleSoFar = 0;
for (int i = 0; i < length; i++) {
if ((buf[i] & '\uFF00') != '\uFF00') {
visibleSoFar ++;
}
if (visibleSoFar >= beforeVisiblePosition) {
break;
}
if (buf[i] == c) {
foundPos = i;
}
}
return foundPos;
}
public ANSI_ClientString substring(int startPos, int newLength) {
int newColorIndex = colorIndex;
for (int i = 0; i < startPos; i++) {
if ((buf[i] & '\uFF00') == '\uFF00') {
newColorIndex = (buf[i] & 0xFF);
}
}
return new ANSI_ClientString(buf, startPos, newLength, newColorIndex);
}
public ANSI_ClientString substring(int startPos) {
return substring(startPos, length - startPos);
}
}
