0N/A/*
2362N/A * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.reflect;
0N/A
0N/A/** It is necessary to use a "bootstrap" UTF-8 encoder for encoding
0N/A constant pool entries because the character set converters rely on
0N/A Class.newInstance(). */
0N/A
0N/Aclass UTF8 {
0N/A // This encoder is not quite correct. It does not handle surrogate pairs.
0N/A static byte[] encode(String str) {
0N/A int len = str.length();
0N/A byte[] res = new byte[utf8Length(str)];
0N/A int utf8Idx = 0;
0N/A try {
0N/A for (int i = 0; i < len; i++) {
0N/A int c = str.charAt(i) & 0xFFFF;
0N/A if (c >= 0x0001 && c <= 0x007F) {
0N/A res[utf8Idx++] = (byte) c;
0N/A } else if (c == 0x0000 ||
0N/A (c >= 0x0080 && c <= 0x07FF)) {
0N/A res[utf8Idx++] = (byte) (0xC0 + (c >> 6));
0N/A res[utf8Idx++] = (byte) (0x80 + (c & 0x3F));
0N/A } else {
0N/A res[utf8Idx++] = (byte) (0xE0 + (c >> 12));
0N/A res[utf8Idx++] = (byte) (0x80 + ((c >> 6) & 0x3F));
0N/A res[utf8Idx++] = (byte) (0x80 + (c & 0x3F));
0N/A }
0N/A }
0N/A } catch (ArrayIndexOutOfBoundsException e) {
0N/A throw new InternalError
0N/A ("Bug in sun.reflect bootstrap UTF-8 encoder");
0N/A }
0N/A return res;
0N/A }
0N/A
0N/A private static int utf8Length(String str) {
0N/A int len = str.length();
0N/A int utf8Len = 0;
0N/A for (int i = 0; i < len; i++) {
0N/A int c = str.charAt(i) & 0xFFFF;
0N/A if (c >= 0x0001 && c <= 0x007F) {
0N/A utf8Len += 1;
0N/A } else if (c == 0x0000 ||
0N/A (c >= 0x0080 && c <= 0x07FF)) {
0N/A utf8Len += 2;
0N/A } else {
0N/A utf8Len += 3;
0N/A }
0N/A }
0N/A return utf8Len;
0N/A }
0N/A}