1 files changed, 131 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/win32/org/eclipse/swt/internal/win32/TCHAR.java b/bundles/org.eclipse.swt/Eclipse SWT PI/win32/org/eclipse/swt/internal/win32/TCHAR.java
new file mode 100644
index 0000000000..8791ef2342
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/win32/org/eclipse/swt/internal/win32/TCHAR.java
@@ -0,0 +1,131 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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;
+
+
+/**
+ * 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 {
+	int codePage;
+	public char [] chars;
+	public byte [] bytes;
+	int byteCount;
+
+public final static int sizeof = OS.IsUnicode ? 2 : 1;
+
+public TCHAR (int codePage, int length) {
+	this.codePage = codePage;
+	if (OS.IsUnicode) {
+		chars = new char [length];
+	} else {
+		bytes = new byte [byteCount = 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) {
+	this.codePage = codePage;
+	int charCount = chars.length;
+	if (OS.IsUnicode) {
+		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;
+	} else {
+		int cp = codePage != 0 ? codePage : OS.CP_ACP;
+		bytes = new byte [byteCount = charCount * 2 + (terminate ? 1 : 0)];
+		byteCount = OS.WideCharToMultiByte (cp, 0, chars, charCount, bytes, byteCount, null, null);
+		if (terminate) byteCount++;
+	}
+}
+
+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 int length () {
+	if (OS.IsUnicode) {
+		return chars.length;
+	} else {
+		return byteCount;
+	}
+}
+
+public int strlen () {
+	if (OS.IsUnicode) {
+		for (int i=0; i<chars.length; i++) {
+			if (chars [i] == '\0') return i;
+		}
+		return chars.length;
+	} else {
+		for (int i=0; i<byteCount; i++) {
+			if (bytes [i] == '\0') return i;
+		}
+		return byteCount;
+	}
+}
+
+public int tcharAt (int index) {
+	if (OS.IsUnicode) {
+		return chars [index];
+	} else {
+		int ch = bytes [index] & 0xFF;
+		if (OS.IsDBCSLeadByte ((byte) ch)) {
+			ch = ch << 8 | (bytes [index + 1] & 0xFF);
+		}
+		return ch;
+	}
+}
+
+public String toString () {
+	return toString (0, length ());
+}
+
+public String toString (int start, int length) {
+	if (OS.IsUnicode) {
+		return new String (chars, start, length);
+	} else {
+		byte [] bytes = this.bytes;
+		if (start != 0) {
+			bytes = new byte [length];
+			System.arraycopy (this.bytes, start, bytes, 0, length);
+		}
+		char [] chars = new char [length];
+		int cp = codePage != 0 ? codePage : OS.CP_ACP;
+		int charCount = OS.MultiByteToWideChar (cp, OS.MB_PRECOMPOSED, bytes, length, chars, length);
+		return new String (chars, 0, charCount);
+	}
+}
+
+}
+