feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/nio/cs/ext/DoubleByteEncoder.java

@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2002, 2006, 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 sun.nio.cs.ext;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+import sun.nio.cs.Surrogate;
+
+public abstract class DoubleByteEncoder
+    extends CharsetEncoder
+{
+
+    private short index1[];
+    private String index2[];
+
+    private final Surrogate.Parser sgp = new Surrogate.Parser();
+
+    protected DoubleByteEncoder(Charset cs,
+                                short[] index1, String[] index2)
+    {
+        super(cs, 2.0f, 2.0f);
+        this.index1 = index1;
+        this.index2 = index2;
+    }
+
+    protected DoubleByteEncoder(Charset cs,
+                                short[] index1, String[] index2,
+                                float avg, float max)
+    {
+        super(cs, avg, max);
+        this.index1 = index1;
+        this.index2 = index2;
+    }
+
+    protected DoubleByteEncoder(Charset cs,
+                                short[] index1, String[] index2, byte[] repl)
+    {
+        super(cs, 2.0f, 2.0f, repl);
+        this.index1 = index1;
+        this.index2 = index2;
+    }
+
+
+    protected DoubleByteEncoder(Charset cs,
+                                short[] index1, String[] index2,
+                                byte[] repl, float avg, float max)
+    {
+        super(cs, avg, max,repl);
+        this.index1 = index1;
+        this.index2 = index2;
+    }
+
+    public boolean canEncode(char c) {
+        return (encodeSingle(c) != -1 ||
+                encodeDouble(c) != 0);
+    }
+
+    private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
+        char[] sa = src.array();
+        int sp = src.arrayOffset() + src.position();
+        int sl = src.arrayOffset() + src.limit();
+        byte[] da = dst.array();
+        int dp = dst.arrayOffset() + dst.position();
+        int dl = dst.arrayOffset() + dst.limit();
+
+        try {
+            while (sp < sl) {
+                char c = sa[sp];
+                if (Character.isSurrogate(c)) {
+                    if (sgp.parse(c, sa, sp, sl) < 0)
+                        return sgp.error();
+                    if (sl - sp < 2)
+                        return CoderResult.UNDERFLOW;
+                    char c2 = sa[sp + 1];
+
+                    byte[] outputBytes = new byte[2];
+                    outputBytes = encodeSurrogate(c, c2);
+
+                    if (outputBytes == null) {
+                        return sgp.unmappableResult();
+                    }
+                    else {
+                        if (dl - dp < 2)
+                            return CoderResult.OVERFLOW;
+                        da[dp++] = outputBytes[0];
+                        da[dp++] = outputBytes[1];
+                        sp += 2;
+                        continue;
+                    }
+                }
+                if (c >= '\uFFFE')
+                    return CoderResult.unmappableForLength(1);
+
+                int b = encodeSingle(c);
+                if (b != -1) { // Single Byte
+                    if (dl - dp < 1)
+                        return CoderResult.OVERFLOW;
+                    da[dp++] = (byte)b;
+                    sp++;
+                    continue;
+                }
+
+                int ncode  = encodeDouble(c);
+                if (ncode != 0 && c != '\u0000' ) {
+                    if (dl - dp < 2)
+                        return CoderResult.OVERFLOW;
+                    da[dp++] = (byte) ((ncode & 0xff00) >> 8);
+                    da[dp++] = (byte) (ncode & 0xff);
+                    sp++;
+                    continue;
+                }
+                return CoderResult.unmappableForLength(1);
+                }
+            return CoderResult.UNDERFLOW;
+        } finally {
+            src.position(sp - src.arrayOffset());
+            dst.position(dp - dst.arrayOffset());
+        }
+    }
+
+    private CoderResult encodeBufferLoop(CharBuffer src, ByteBuffer dst) {
+        int mark = src.position();
+
+        try {
+            while (src.hasRemaining()) {
+                char c = src.get();
+                if (Character.isSurrogate(c)) {
+                    int surr;
+                    if ((surr = sgp.parse(c, src)) < 0)
+                        return sgp.error();
+                    char c2 = Surrogate.low(surr);
+                    byte[] outputBytes = new byte[2];
+                    outputBytes = encodeSurrogate(c, c2);
+
+                    if (outputBytes == null) {
+                        return sgp.unmappableResult();
+                    } else {
+                        if (dst.remaining() < 2)
+                            return CoderResult.OVERFLOW;
+                        mark += 2;
+                        dst.put(outputBytes[0]);
+                        dst.put(outputBytes[1]);
+                        continue;
+                    }
+                }
+                if (c >= '\uFFFE')
+                    return CoderResult.unmappableForLength(1);
+                int b = encodeSingle(c);
+
+                if (b != -1) { // Single-byte character
+                    if (dst.remaining() < 1)
+                        return CoderResult.OVERFLOW;
+                    mark++;
+                    dst.put((byte)b);
+                    continue;
+                }
+                // Double Byte character
+
+                int ncode = encodeDouble(c);
+                if (ncode != 0 && c != '\u0000') {
+                    if (dst.remaining() < 2)
+                        return CoderResult.OVERFLOW;
+                    mark++;
+                    dst.put((byte) ((ncode & 0xff00) >> 8));
+                    dst.put((byte) ncode);
+                    continue;
+                }
+                return CoderResult.unmappableForLength(1);
+            }
+
+            return CoderResult.UNDERFLOW;
+        } finally {
+            src.position(mark);
+        }
+    }
+
+    protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
+        if (true && src.hasArray() && dst.hasArray())
+            return encodeArrayLoop(src, dst);
+        else
+            return encodeBufferLoop(src, dst);
+    }
+
+    /*
+     * Can be changed by subclass
+     */
+    protected int encodeDouble(char ch) {
+        int offset = index1[((ch & 0xff00) >> 8 )] << 8;
+        return index2[offset >> 12].charAt((offset & 0xfff) + (ch & 0xff));
+    }
+
+    /*
+     * Can be changed by subclass
+     */
+    protected int encodeSingle(char inputChar) {
+        if (inputChar < 0x80)
+            return (byte)inputChar;
+        else
+            return -1;
+    }
+
+    /**
+     *  Protected method which should be overridden by concrete DBCS
+     *  CharsetEncoder classes which included supplementary characters
+     *  within their mapping coverage.
+     *  null return value indicates surrogate values could not be
+     *  handled or encoded.
+     */
+    protected byte[] encodeSurrogate(char highSurrogate, char lowSurrogate) {
+        return null;
+    }
+}