/*
* Copyright (C) 2011-2016 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;
import org.bytedeco.javacpp.annotation.Cast;
import org.bytedeco.javacpp.annotation.Name;
/**
* The peer class to native pointers and arrays of {@code size_t}.
* All operations take into account the position and limit, when appropriate.
* <p>
* We need this class because the size differs between 32-bit and 64-bit platforms.
*
* @author Samuel Audet
*/
@Name("size_t")
public class SizeTPointer extends Pointer {
/**
* Allocates a native {@code size_t} array of the given size.
*
* @param size the number of {@code size_t} elements to allocate
*/
public SizeTPointer(long size) {
try {
allocateArray(size);
} catch (UnsatisfiedLinkError e) {
throw new RuntimeException("No native JavaCPP library in memory. (Has Loader.load() been called?)", e);
}
}
/** @see Pointer#Pointer() */
public SizeTPointer() { }
/** @see Pointer#Pointer(Pointer) */
public SizeTPointer(Pointer p) { super(p); }
private native void allocateArray(long size);
/** @see Pointer#position(long) */
@Override public SizeTPointer position(long position) {
return super.position(position);
}
/** @see Pointer#limit(long) */
@Override public SizeTPointer limit(long limit) {
return super.limit(limit);
}
/** @see Pointer#capacity(long) */
@Override public SizeTPointer capacity(long capacity) {
return super.capacity(capacity);
}
/** @return {@code get(0)} */
public long get() { return get(0); }
/** @return the i-th {@code size_t} value of a native array */
@Cast("size_t") public native long get(long i);
/** @return {@code put(0, s)} */
public SizeTPointer put(long s) { return put(0, s); }
/**
* Copies the {@code size_t} value to the i-th element of a native array.
*
* @param i the index into the array
* @param s the {@code size_t} value to copy
* @return this
*/
public native SizeTPointer put(long i, long s);
}