diff dwt/internal/Converter.d @ 9:ad2b69216039

moved org.eclipse.swt to dwt
author Frank Benoit <benoit@tionex.de>
date Sat, 05 Jan 2008 17:39:49 +0100
parents org/eclipse/swt/internal/Converter.d@94c5d794407f
children 63c023465156
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/internal/Converter.d	Sat Jan 05 17:39:49 2008 +0100
@@ -0,0 +1,94 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 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
+ *******************************************************************************/
+module org.eclipse.swt.internal.Converter;
+
+
+//import org.eclipse.swt.internal.gtk.OS;
+import tango.stdc.stringz;
+
+extern(C) {
+    struct GError{};
+    char*     g_utf16_to_utf8     ( wchar  *str,
+                    int             len,
+                    int             *items_read,
+                    int             *items_written,
+                    GError          **error);
+    wchar* g_utf8_to_utf16     ( char      *str,
+                    int              len,
+                    int             *items_read,
+                    int             *items_written,
+                    GError          **error);
+    void g_free (void* ptr );
+}
+
+/**
+ * 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 const char  [] NullByteArray = "\0";
+	public static const char  [] EmptyByteArray = "";
+	public static const wchar [] EmptyCharArray = "";
+
+/**
+ * Returns the default code page for the platform where the
+ * application is currently running.
+ *
+ * @return the default code page
+ */
+public static char[] defaultCodePage () {
+	return "UTF8";
+}
+
+public static wchar [] mbcsToWcs (char[] codePage, char [] buffer) {
+	int items_written;
+	wchar* ptr = g_utf8_to_utf16 (toStringz(buffer), buffer.length, null, &items_written, null);
+	if (!ptr){
+        return EmptyCharArray;
+    }
+    wchar[] chars = ptr[ 0 .. items_written].dup;
+	g_free (ptr);
+	return chars;
+}
+
+/+ // only difference with String vs. char[] arg, so no diff in dwt
+public static char [] wcsToMbcs (char[] codePage, String str, bool terminate) {
+	int length = str.length ();
+	wchar [] buffer = new wchar [length];
+	string.getChars (0, length, buffer, 0);
+	return wcsToMbcs (codePage, buffer, terminate);
+}
++/
+
+public static char [] wcsToMbcs (char[] codePage, wchar [] buffer, bool terminate) {
+	int items_read, items_written;
+	/*
+	* Note that g_utf16_to_utf8()  stops converting
+	* when it finds the first NULL.
+	*/
+	char* ptr = g_utf16_to_utf8 (toString16z(buffer), buffer.length, & items_read, & items_written, null);
+	if (!ptr) {
+        return terminate ? NullByteArray : EmptyByteArray;
+    }
+	char [] bytes = new char [items_written + (terminate ? 1 : 0)];
+    bytes[ 0 .. items_written ] = ptr[ 0 .. items_written ];
+    if( terminate ){
+        bytes[ items_written ] = 0;
+    }
+	g_free (ptr);
+	return bytes;
+}
+
+}