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JVM AOT compiler currently generating JavaScript, C++, Haxe, with initial focus on Kotlin and games.
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.nio;
import com.jtransc.annotation.JTranscAddMembers;
import com.jtransc.annotation.JTranscMethodBody;
import com.jtransc.annotation.haxe.HaxeAddMembers;
import com.jtransc.annotation.haxe.HaxeMethodBody;
import libcore.io.Memory;
import java.nio.internal.SizeOf;
import java.nio.internal.ByteBufferAs;
@HaxeAddMembers("public var tarray:haxe.io.UInt16Array = null;")
@JTranscAddMembers(target = "dart", value = "Uint16List tarray;")
@JTranscAddMembers(target = "cpp", value = "uint16_t* tarray = nullptr;")
@JTranscAddMembers(target = "cs", value = "public byte[] tarray;")
abstract class ByteBufferAsCharBuffer extends CharBuffer implements ByteBufferAs {
final ByteBuffer byteBuffer;
final byte[] bytes;
static CharBuffer asCharBuffer(ByteBuffer byteBuffer) {
ByteBuffer slice = byteBuffer.slice();
slice.order(byteBuffer.order());
return create(slice, byteBuffer.isLittleEndian);
}
static private ByteBufferAsCharBuffer create(ByteBuffer byteBuffer, boolean isLittleEndian) {
return isLittleEndian ? new ByteBufferAsCharBuffer.LE(byteBuffer) : new ByteBufferAsCharBuffer.BE(byteBuffer);
}
private ByteBufferAsCharBuffer createWithSameOrder(ByteBuffer byteBuffer) {
return create(byteBuffer, order() == ByteOrder.LITTLE_ENDIAN);
}
private ByteBufferAsCharBuffer(ByteBuffer byteBuffer) {
super(byteBuffer.capacity() / SizeOf.CHAR);
this.byteBuffer = byteBuffer;
this.byteBuffer.clear();
this.bytes = byteBuffer.array();
init(byteBuffer.array());
}
@HaxeMethodBody("this.tarray = haxe.io.UInt16Array.fromBytes(p0.data);")
@JTranscMethodBody(target = "js", value = "this.tarray = new Uint16Array(p0.data.buffer);")
@JTranscMethodBody(target = "dart", value = "this.tarray = new Uint16List.view(p0.data.buffer);")
@JTranscMethodBody(target = "cpp", value = "this->tarray = (uint16_t *)(GET_OBJECT(JA_B, p0)->_data);")
@JTranscMethodBody(target = "cs", value = "unchecked { this.tarray = p0.u(); }")
private void init(byte[] data) {
}
@Override
public CharBuffer asReadOnlyBuffer() {
ByteBufferAsCharBuffer buf = createWithSameOrder(byteBuffer.asReadOnlyBuffer());
buf.limit = limit;
buf.position = position;
buf.mark = mark;
buf.byteBuffer.order = byteBuffer.order;
return buf;
}
@Override
public CharBuffer compact() {
if (byteBuffer.isReadOnly()) throw new ReadOnlyBufferException();
byteBuffer.limit(limit * SizeOf.CHAR);
byteBuffer.position(position * SizeOf.CHAR);
byteBuffer.compact();
byteBuffer.clear();
position = limit - position;
limit = capacity;
mark = UNSET_MARK;
return this;
}
@Override
public CharBuffer duplicate() {
ByteBuffer bb = byteBuffer.duplicate().order(byteBuffer.order());
ByteBufferAsCharBuffer buf = createWithSameOrder(bb);
buf.limit = limit;
buf.position = position;
buf.mark = mark;
return buf;
}
@Override
public char get() {
if (position == limit) throw new BufferUnderflowException();
return byteBuffer.getChar(position++ * SizeOf.CHAR);
}
@Override
public boolean isDirect() {
return byteBuffer.isDirect();
}
@Override
public boolean isReadOnly() {
return byteBuffer.isReadOnly();
}
@Override
public ByteOrder order() {
return byteBuffer.order();
}
@Override char[] protectedArray() {
throw new UnsupportedOperationException();
}
@Override int protectedArrayOffset() {
throw new UnsupportedOperationException();
}
@Override boolean protectedHasArray() {
return false;
}
@Override
public CharBuffer put(char c) {
if (position == limit) throw new BufferOverflowException();
byteBuffer.putChar(position++ * SizeOf.CHAR, c);
return this;
}
@Override
public CharBuffer slice() {
byteBuffer.limit(limit * SizeOf.CHAR);
byteBuffer.position(position * SizeOf.CHAR);
ByteBuffer bb = byteBuffer.slice().order(byteBuffer.order());
CharBuffer result = createWithSameOrder(bb);
byteBuffer.clear();
return result;
}
@Override public CharBuffer subSequence(int start, int end) {
checkStartEndRemaining(start, end);
CharBuffer result = duplicate();
result.limit(position + end);
result.position(position + start);
return result;
}
@Override
public ByteBuffer getByteBuffer() {
return byteBuffer;
}
@Override
@HaxeMethodBody("return N.i2s(this.tarray.get(p0));")
@JTranscMethodBody(target = "js", value = "return this.tarray[p0];")
@JTranscMethodBody(target = "dart", value = "return this.tarray[p0];")
@JTranscMethodBody(target = "cpp", value = "return this->tarray[p0];")
@JTranscMethodBody(target = "cs", value = "unsafe { fixed (byte* ptr = this.tarray) { return ((ushort *)ptr)[p0]; } }")
public char get(int index) {
return Memory.peekAlignedCharLE(bytes, index);
}
@Override
@HaxeMethodBody("this.tarray.set(p0, p1); return this;")
@JTranscMethodBody(target = "js", value = "this.tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "dart", value = "this.tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "cpp", value = "this->tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "cs", value = "unsafe { fixed (byte* ptr = this.tarray) { ((ushort *)ptr)[p0] = p1; } } return this;")
public CharBuffer put(int index, char c) {
Memory.pokeAlignedCharLE(bytes, index, c);
return this;
}
final static public class LE extends ByteBufferAsCharBuffer {
LE(ByteBuffer byteBuffer) {
super(byteBuffer);
}
}
final static public class BE extends ByteBufferAsCharBuffer {
BE(ByteBuffer byteBuffer) {
super(byteBuffer);
}
@Override
public char get(int index) {
return Character.reverseBytes(super.get(index));
}
@Override
public CharBuffer put(int index, char c) {
return super.put(index, Character.reverseBytes(c));
}
}
}