--- a/jaxws/src/share/jaxws_classes/com/sun/codemodel/internal/util/Surrogate.java Wed Jul 05 19:34:04 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,355 +0,0 @@
-/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.codemodel.internal.util;
-
-import java.nio.CharBuffer;
-import java.nio.charset.CoderResult;
-
-
-/**
- * Utility class for dealing with surrogates.
- *
- * @author Mark Reinhold
- * @version 1.11, 03/01/23
- */
-
-class Surrogate {
-
- private Surrogate() { }
-
- // UTF-16 surrogate-character ranges
- //
- public static final char MIN_HIGH = '\uD800';
- public static final char MAX_HIGH = '\uDBFF';
- public static final char MIN_LOW = '\uDC00';
- public static final char MAX_LOW = '\uDFFF';
- public static final char MIN = MIN_HIGH;
- public static final char MAX = MAX_LOW;
-
- // Range of UCS-4 values that need surrogates in UTF-16
- //
- public static final int UCS4_MIN = 0x10000;
- public static final int UCS4_MAX = (1 << 20) + UCS4_MIN - 1;
-
- /**
- * Tells whether or not the given UTF-16 value is a high surrogate.
- */
- public static boolean isHigh(int c) {
- return (MIN_HIGH <= c) && (c <= MAX_HIGH);
- }
-
- /**
- * Tells whether or not the given UTF-16 value is a low surrogate.
- */
- public static boolean isLow(int c) {
- return (MIN_LOW <= c) && (c <= MAX_LOW);
- }
-
- /**
- * Tells whether or not the given UTF-16 value is a surrogate character,
- */
- public static boolean is(int c) {
- return (MIN <= c) && (c <= MAX);
- }
-
- /**
- * Tells whether or not the given UCS-4 character must be represented as a
- * surrogate pair in UTF-16.
- */
- public static boolean neededFor(int uc) {
- return (uc >= UCS4_MIN) && (uc <= UCS4_MAX);
- }
-
- /**
- * Returns the high UTF-16 surrogate for the given UCS-4 character.
- */
- public static char high(int uc) {
- return (char)(0xd800 | (((uc - UCS4_MIN) >> 10) & 0x3ff));
- }
-
- /**
- * Returns the low UTF-16 surrogate for the given UCS-4 character.
- */
- public static char low(int uc) {
- return (char)(0xdc00 | ((uc - UCS4_MIN) & 0x3ff));
- }
-
- /**
- * Converts the given surrogate pair into a 32-bit UCS-4 character.
- */
- public static int toUCS4(char c, char d) {
- return (((c & 0x3ff) << 10) | (d & 0x3ff)) + 0x10000;
- }
-
- /**
- * Surrogate parsing support. Charset implementations may use instances of
- * this class to handle the details of parsing UTF-16 surrogate pairs.
- */
- public static class Parser {
-
- public Parser() { }
-
- private int character; // UCS-4
- private CoderResult error = CoderResult.UNDERFLOW;
- private boolean isPair;
-
- /**
- * Returns the UCS-4 character previously parsed.
- */
- public int character() {
- return character;
- }
-
- /**
- * Tells whether or not the previously-parsed UCS-4 character was
- * originally represented by a surrogate pair.
- */
- public boolean isPair() {
- return isPair;
- }
-
- /**
- * Returns the number of UTF-16 characters consumed by the previous
- * parse.
- */
- public int increment() {
- return isPair ? 2 : 1;
- }
-
- /**
- * If the previous parse operation detected an error, return the object
- * describing that error.
- */
- public CoderResult error() {
- return error;
- }
-
- /**
- * Returns an unmappable-input result object, with the appropriate
- * input length, for the previously-parsed character.
- */
- public CoderResult unmappableResult() {
- return CoderResult.unmappableForLength(isPair ? 2 : 1);
- }
-
- /**
- * Parses a UCS-4 character from the given source buffer, handling
- * surrogates.
- *
- * @param c The first character
- * @param in The source buffer, from which one more character
- * will be consumed if c is a high surrogate
- *
- * @return Either a parsed UCS-4 character, in which case the isPair()
- * and increment() methods will return meaningful values, or
- * -1, in which case error() will return a descriptive result
- * object
- */
- public int parse(char c, CharBuffer in) {
- if (isHigh(c)) {
- if (!in.hasRemaining()) {
- error = CoderResult.UNDERFLOW;
- return -1;
- }
- char d = in.get();
- if (isLow(d)) {
- character = toUCS4(c, d);
- isPair = true;
- error = null;
- return character;
- }
- error = CoderResult.malformedForLength(1);
- return -1;
- }
- if (isLow(c)) {
- error = CoderResult.malformedForLength(1);
- return -1;
- }
- character = c;
- isPair = false;
- error = null;
- return character;
- }
-
- /**
- * Parses a UCS-4 character from the given source buffer, handling
- * surrogates.
- *
- * @param c The first character
- * @param ia The input array, from which one more character
- * will be consumed if c is a high surrogate
- * @param ip The input index
- * @param il The input limit
- *
- * @return Either a parsed UCS-4 character, in which case the isPair()
- * and increment() methods will return meaningful values, or
- * -1, in which case error() will return a descriptive result
- * object
- */
- public int parse(char c, char[] ia, int ip, int il) {
- if (isHigh(c)) {
- if (il - ip < 2) {
- error = CoderResult.UNDERFLOW;
- return -1;
- }
- char d = ia[ip + 1];
- if (isLow(d)) {
- character = toUCS4(c, d);
- isPair = true;
- error = null;
- return character;
- }
- error = CoderResult.malformedForLength(1);
- return -1;
- }
- if (isLow(c)) {
- error = CoderResult.malformedForLength(1);
- return -1;
- }
- character = c;
- isPair = false;
- error = null;
- return character;
- }
-
- }
-
- /**
- * Surrogate generation support. Charset implementations may use instances
- * of this class to handle the details of generating UTF-16 surrogate
- * pairs.
- */
- public static class Generator {
-
- public Generator() { }
-
- private CoderResult error = CoderResult.OVERFLOW;
-
- /**
- * If the previous generation operation detected an error, return the
- * object describing that error.
- */
- public CoderResult error() {
- return error;
- }
-
- /**
- * Generates one or two UTF-16 characters to represent the given UCS-4
- * character.
- *
- * @param uc The UCS-4 character
- * @param len The number of input bytes from which the UCS-4 value
- * was constructed (used when creating result objects)
- * @param dst The destination buffer, to which one or two UTF-16
- * characters will be written
- *
- * @return Either a positive count of the number of UTF-16 characters
- * written to the destination buffer, or -1, in which case
- * error() will return a descriptive result object
- */
- public int generate(int uc, int len, CharBuffer dst) {
- if (uc <= 0xffff) {
- if (is(uc)) {
- error = CoderResult.malformedForLength(len);
- return -1;
- }
- if (dst.remaining() < 1) {
- error = CoderResult.OVERFLOW;
- return -1;
- }
- dst.put((char)uc);
- error = null;
- return 1;
- }
- if (uc < UCS4_MIN) {
- error = CoderResult.malformedForLength(len);
- return -1;
- }
- if (uc <= UCS4_MAX) {
- if (dst.remaining() < 2) {
- error = CoderResult.OVERFLOW;
- return -1;
- }
- dst.put(high(uc));
- dst.put(low(uc));
- error = null;
- return 2;
- }
- error = CoderResult.unmappableForLength(len);
- return -1;
- }
-
- /**
- * Generates one or two UTF-16 characters to represent the given UCS-4
- * character.
- *
- * @param uc The UCS-4 character
- * @param len The number of input bytes from which the UCS-4 value
- * was constructed (used when creating result objects)
- * @param da The destination array, to which one or two UTF-16
- * characters will be written
- * @param dp The destination position
- * @param dl The destination limit
- *
- * @return Either a positive count of the number of UTF-16 characters
- * written to the destination buffer, or -1, in which case
- * error() will return a descriptive result object
- */
- public int generate(int uc, int len, char[] da, int dp, int dl) {
- if (uc <= 0xffff) {
- if (is(uc)) {
- error = CoderResult.malformedForLength(len);
- return -1;
- }
- if (dl - dp < 1) {
- error = CoderResult.OVERFLOW;
- return -1;
- }
- da[dp] = (char)uc;
- error = null;
- return 1;
- }
- if (uc < UCS4_MIN) {
- error = CoderResult.malformedForLength(len);
- return -1;
- }
- if (uc <= UCS4_MAX) {
- if (dl - dp < 2) {
- error = CoderResult.OVERFLOW;
- return -1;
- }
- da[dp] = high(uc);
- da[dp + 1] = low(uc);
- error = null;
- return 2;
- }
- error = CoderResult.unmappableForLength(len);
- return -1;
- }
-
- }
-
-}