| package org.eclipse.swt.internal;
|
|
|
| /*
|
| * (c) Copyright IBM Corp. 2000, 2001.
|
| * All Rights Reserved
|
| */
|
|
|
| /** |
| * 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> |
| */
|
| public final class Converter {
|
| public static final byte [] NullByteArray = new byte [1];
|
| public static final char [] NullCharArray = new char [1];
|
| public static final byte [] EmptyByteArray = new byte [0];
|
| public static final char [] EmptyCharArray = new char [0];
|
| /** |
| * Returns the default code page for the platform where the |
| * application is currently running. |
| * |
| * @return the default code page |
| */ |
| public static String defaultCodePage () {
|
| /*
|
| | ptr cp |
|
| DefaultCodePage == nil ifFalse: [^DefaultCodePage].
|
| cp := ''. "$NON-NLS$"
|
| (ptr := OSStringZ address: (NlLanginfo callWith: 49)) isNull
|
| ifFalse: [cp := String copyFromOSMemory: ptr].
|
| cp isEmpty ifFalse: [
|
| IsSunOS ifTrue: [
|
| (cp size > 3 and: [(cp copyFrom: 1 to: 3) = 'ISO'])
|
| ifTrue: [cp := cp copyFrom: 4 to: cp size]].
|
| ^DefaultCodePage := cp].
|
| IsAIX ifTrue: [^DefaultCodePage := 'ISO8859-1'].
|
| IsSunOS ifTrue: [^DefaultCodePage := '8859-1'].
|
| ^DefaultCodePage := 'iso8859_1'
|
| */
|
| return null;
|
| }
|
| static boolean is7BitAscii (byte [] buffer) {
|
| for (int i=0; i<buffer.length; i++) {
|
| if ((buffer [i] & 0xFF) > 0x7F) return false;
|
| }
|
| return true;
|
| }
|
| static boolean is7BitAscii (char [] buffer) {
|
| for (int i=0; i<buffer.length; i++) {
|
| if (buffer [i] > 0x7F) return false;
|
| }
|
| return true;
|
| }
|
| public static char [] mbcsToWcs (String codePage, byte [] buffer) {
|
| //SLOW AND BOGUS
|
| return new String (buffer).toCharArray ();
|
| }
|
| /* TEMPORARY CODE */
|
| public static byte [] wcsToMbcs (String codePage, String string) {
|
| return wcsToMbcs (codePage, string, false);
|
| }
|
| public static byte [] wcsToMbcs (String codePage, String string, boolean terminate) {
|
| //SLOW AND BOGUS
|
| int count = string.length ();
|
| if (terminate) count++;
|
| char [] buffer = new char [count];
|
| string.getChars (0, string.length (), buffer, 0);
|
| return wcsToMbcs (codePage, buffer, false);
|
| }
|
| /* TEMPORARY CODE */
|
| public static byte [] wcsToMbcs (String codePage, char [] buffer) {
|
| return wcsToMbcs (codePage, buffer, false);
|
| }
|
| public static byte [] wcsToMbcs (String codePage, char [] buffer, boolean terminate) {
|
| //SLOW AND BOGUS
|
| if (!terminate) return new String (buffer).getBytes ();
|
| byte [] buffer1 = new String (buffer).getBytes ();
|
| byte [] buffer2 = new byte [buffer1.length + 1];
|
| System.arraycopy (buffer1, 0, buffer2, 0, buffer1.length);
|
| return buffer2;
|
| }
|
| }
|
