/** Calls {@code IntRawIndexer(pointer, { pointer.limit() - pointer.position() }, { 1 })}. */ public IntRawIndexer(IntPointer pointer) { this(pointer, new long[] { pointer.limit() - pointer.position() }, ONE_STRIDE); }
/** * Copies the String code points into native memory, including a terminating null int. * Sets the limit to just before the terminating null code point. * * @param s the String to copy * @return this * @see String#codePointAt(int) * @see #put(int[]) */ public IntPointer putString(String s) { int[] codePoints = new int[s.length()]; for (int i = 0; i < codePoints.length; i++) { codePoints[i] = s.codePointAt(i); } return put(codePoints).put(codePoints.length, (int)0).limit(codePoints.length); }
/** Returns {@code create(pointer, { pointer.limit() - pointer.position() }, { 1 }, true)} */ public static IntIndexer create(IntPointer pointer) { return create(pointer, new long[] { pointer.limit() - pointer.position() }, ONE_STRIDE); }
/** Constructor to set the {@link #pointer}, {@link #sizes} and {@link #strides}. */ public IntRawIndexer(IntPointer pointer, long[] sizes, long[] strides) { super(sizes, strides); this.pointer = pointer; base = pointer.address() + pointer.position() * VALUE_BYTES; size = pointer.limit() - pointer.position(); }
/** * @param intPointer * @param length * @return */ @Override public DataBuffer create(IntPointer intPointer, long length) { intPointer.capacity(length); intPointer.limit(length); intPointer.position(0); return new IntBuffer(intPointer, IntIndexer.create(intPointer), length); }
/** * Creates a int indexer to access efficiently the data of a pointer. * * @param pointer data to access via a buffer or to copy to an array * @param direct {@code true} to use a direct buffer, see {@link Indexer} for details * @return the new int indexer backed by the raw memory interface, a buffer, or an array */ public static IntIndexer create(final IntPointer pointer, long[] sizes, long[] strides, boolean direct) { if (direct) { return Raw.getInstance() != null ? new IntRawIndexer(pointer, sizes, strides) : new IntBufferIndexer(pointer.asBuffer(), sizes, strides); } else { final long position = pointer.position(); int[] array = new int[(int)Math.min(pointer.limit() - position, Integer.MAX_VALUE)]; pointer.get(array); return new IntArrayIndexer(array, sizes, strides) { @Override public void release() { pointer.position(position).put(array); super.release(); } }; } }
/** * For direct buffers, calls {@link Pointer#Pointer(Buffer)}, while for buffers * backed with an array, allocates enough memory for the array and copies it. * * @param buffer the Buffer to reference or copy * @see #put(int[]) */ public IntPointer(IntBuffer buffer) { super(buffer); if (buffer != null && !buffer.isDirect() && buffer.hasArray()) { int[] array = buffer.array(); allocateArray(array.length - buffer.arrayOffset()); put(array, buffer.arrayOffset(), array.length - buffer.arrayOffset()); position(buffer.position()); limit(buffer.limit()); } } /**