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/*******************************************************************************
* Copyright (c) 2000, 2014 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.internal.win32;
import java.util.Arrays;
/**
* This class implements the conversions between unicode characters
* and the <em>platform supported</em> representation for characters.
* <p>
* Note that unicode characters which can not be found in the platform
* encoding will be converted to an arbitrary platform specific character.
* </p>
*
* @jniclass flags=no_gen
*/
public class TCHAR {
public char [] chars;
public byte [] bytes;
public final static int sizeof = 2;
public TCHAR (int codePage, int length) {
chars = new char [length];
}
public TCHAR (int codePage, char ch, boolean terminate) {
this (codePage, terminate ? new char [] {ch, '\0'} : new char [] {ch}, false);
}
public TCHAR (int codePage, char [] chars, boolean terminate) {
int charCount = chars.length;
if (terminate) {
if (charCount == 0 || (charCount > 0 && chars [charCount - 1] != 0)) {
char [] newChars = new char [charCount + 1];
System.arraycopy (chars, 0, newChars, 0, charCount);
chars = newChars;
}
}
this.chars = chars;
}
public TCHAR (int codePage, String string, boolean terminate) {
this (codePage, getChars (string, terminate), false);
}
static char [] getChars (String string, boolean terminate) {
int length = string.length ();
char [] chars = new char [length + (terminate ? 1 : 0)];
string.getChars (0, length, chars, 0);
return chars;
}
public void clear() {
Arrays.fill (chars, (char) 0);
}
public int length () {
return chars.length;
}
public int strlen () {
for (int i=0; i<chars.length; i++) {
if (chars [i] == '\0') return i;
}
return chars.length;
}
public int tcharAt (int index) {
return chars [index];
}
@Override
public String toString () {
return toString (0, length ());
}
public String toString (int start, int length) {
return new String (chars, start, length);
}
}
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