/*
* Copyright (C) 2014-2016 Samuel Audet
*
* Licensed either under the Apache License, Version 2.0, or (at your option)
* under the terms of the GNU General Public License as published by
* the Free Software Foundation (subject to the "Classpath" exception),
* either version 2, or any later version (collectively, 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
* http://www.gnu.org/licenses/
* http://www.gnu.org/software/classpath/license.html
*
* or as provided in the LICENSE.txt file that accompanied this code.
* 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 org.bytedeco.javacpp.indexer;
import java.nio.Buffer;
import java.nio.CharBuffer;
/**
* An indexer for a {@link CharBuffer}.
*
* @author Samuel Audet
*/
public class CharBufferIndexer extends CharIndexer {
/** The backing buffer. */
protected CharBuffer buffer;
/** Calls {@code CharBufferIndexer(buffer, { buffer.limit() }, { 1 })}. */
public CharBufferIndexer(CharBuffer buffer) {
this(buffer, new long[] { buffer.limit() }, new long[] { 1 });
}
/** Constructor to set the {@link #buffer}, {@link #sizes} and {@link #strides}. */
public CharBufferIndexer(CharBuffer buffer, long[] sizes, long[] strides) {
super(sizes, strides);
this.buffer = buffer;
}
@Override public Buffer buffer() {
return buffer;
}
@Override public char get(long i) {
return buffer.get((int)i);
}
@Override public CharIndexer get(long i, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
c[offset + n] = buffer.get((int)i * (int)strides[0] + n);
}
return this;
}
@Override public char get(long i, long j) {
return buffer.get((int)i * (int)strides[0] + (int)j);
}
@Override public CharIndexer get(long i, long j, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
c[offset + n] = buffer.get((int)i * (int)strides[0] + (int)j * (int)strides[1] + n);
}
return this;
}
@Override public char get(long i, long j, long k) {
return buffer.get((int)i * (int)strides[0] + (int)j * (int)strides[1] + (int)k);
}
@Override public char get(long... indices) {
return buffer.get((int)index(indices));
}
@Override public CharIndexer get(long[] indices, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
c[offset + n] = buffer.get((int)index(indices) + n);
}
return this;
}
@Override public CharIndexer put(long i, char c) {
buffer.put((int)i, c);
return this;
}
@Override public CharIndexer put(long i, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
buffer.put((int)i * (int)strides[0] + n, c[offset + n]);
}
return this;
}
@Override public CharIndexer put(long i, long j, char c) {
buffer.put((int)i * (int)strides[0] + (int)j, c);
return this;
}
@Override public CharIndexer put(long i, long j, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
buffer.put((int)i * (int)strides[0] + (int)j * (int)strides[1] + n, c[offset + n]);
}
return this;
}
@Override public CharIndexer put(long i, long j, long k, char c) {
buffer.put((int)i * (int)strides[0] + (int)j * (int)strides[1] + (int)k, c);
return this;
}
@Override public CharIndexer put(long[] indices, char c) {
buffer.put((int)index(indices), c);
return this;
}
@Override public CharIndexer put(long[] indices, char[] c, int offset, int length) {
for (int n = 0; n < length; n++) {
buffer.put((int)index(indices) + n, c[offset + n]);
}
return this;
}
@Override public void release() { buffer = null; }
}