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// -- This file was mechanically generated: Do not edit! -- //

package java.nio;

import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;

A read/write HeapCharBuffer.
/** * A read/write HeapCharBuffer. */
class HeapCharBuffer extends CharBuffer { // Cached array base offset private static final long ARRAY_BASE_OFFSET = UNSAFE.arrayBaseOffset(char[].class); // Cached array index scale private static final long ARRAY_INDEX_SCALE = UNSAFE.arrayIndexScale(char[].class); // For speed these fields are actually declared in X-Buffer; // these declarations are here as documentation /* protected final char[] hb; protected final int offset; */ HeapCharBuffer(int cap, int lim, MemorySegmentProxy segment) { // package-private super(-1, 0, lim, cap, new char[cap], 0, segment); /* hb = new char[cap]; offset = 0; */ this.address = ARRAY_BASE_OFFSET; } HeapCharBuffer(char[] buf, int off, int len, MemorySegmentProxy segment) { // package-private super(-1, off, off + len, buf.length, buf, 0, segment); /* hb = buf; offset = 0; */ this.address = ARRAY_BASE_OFFSET; } protected HeapCharBuffer(char[] buf, int mark, int pos, int lim, int cap, int off, MemorySegmentProxy segment) { super(mark, pos, lim, cap, buf, off, segment); /* hb = buf; offset = off; */ this.address = ARRAY_BASE_OFFSET + off * ARRAY_INDEX_SCALE; } public CharBuffer slice() { int pos = this.position(); int lim = this.limit(); int rem = (pos <= lim ? lim - pos : 0); return new HeapCharBuffer(hb, -1, 0, rem, rem, pos + offset, segment); } @Override public CharBuffer slice(int index, int length) { Objects.checkFromIndexSize(index, length, limit()); return new HeapCharBuffer(hb, -1, 0, length, length, index + offset, segment); } public CharBuffer duplicate() { return new HeapCharBuffer(hb, this.markValue(), this.position(), this.limit(), this.capacity(), offset, segment); } public CharBuffer asReadOnlyBuffer() { return new HeapCharBufferR(hb, this.markValue(), this.position(), this.limit(), this.capacity(), offset, segment); } protected int ix(int i) { return i + offset; } public char get() { return hb[ix(nextGetIndex())]; } public char get(int i) { return hb[ix(checkIndex(i))]; } char getUnchecked(int i) { return hb[ix(i)]; } public CharBuffer get(char[] dst, int offset, int length) { checkScope(); Objects.checkFromIndexSize(offset, length, dst.length); int pos = position(); if (length > limit() - pos) throw new BufferUnderflowException(); System.arraycopy(hb, ix(pos), dst, offset, length); position(pos + length); return this; } public CharBuffer get(int index, char[] dst, int offset, int length) { checkScope(); Objects.checkFromIndexSize(index, length, limit()); Objects.checkFromIndexSize(offset, length, dst.length); System.arraycopy(hb, ix(index), dst, offset, length); return this; } public boolean isDirect() { return false; } public boolean isReadOnly() { return false; } public CharBuffer put(char x) { hb[ix(nextPutIndex())] = x; return this; } public CharBuffer put(int i, char x) { hb[ix(checkIndex(i))] = x; return this; } public CharBuffer put(char[] src, int offset, int length) { checkScope(); Objects.checkFromIndexSize(offset, length, src.length); int pos = position(); if (length > limit() - pos) throw new BufferOverflowException(); System.arraycopy(src, offset, hb, ix(pos), length); position(pos + length); return this; } public CharBuffer put(CharBuffer src) { checkScope(); super.put(src); return this; } public CharBuffer put(int index, CharBuffer src, int offset, int length) { checkScope(); super.put(index, src, offset, length); return this; } public CharBuffer put(int index, char[] src, int offset, int length) { checkScope(); Objects.checkFromIndexSize(index, length, limit()); Objects.checkFromIndexSize(offset, length, src.length); System.arraycopy(src, offset, hb, ix(index), length); return this; } public CharBuffer put(String src, int start, int end) { checkScope(); int length = end - start; Objects.checkFromIndexSize(start, length, src.length()); if (isReadOnly()) throw new ReadOnlyBufferException(); int pos = position(); int lim = limit(); int rem = (pos <= lim) ? lim - pos : 0; if (length > rem) throw new BufferOverflowException(); src.getChars(start, end, hb, ix(pos)); position(pos + length); return this; } public CharBuffer compact() { int pos = position(); int lim = limit(); assert (pos <= lim); int rem = (pos <= lim ? lim - pos : 0); System.arraycopy(hb, ix(pos), hb, ix(0), rem); position(rem); limit(capacity()); discardMark(); return this; } String toString(int start, int end) { // package-private try { return new String(hb, start + offset, end - start); } catch (StringIndexOutOfBoundsException x) { throw new IndexOutOfBoundsException(); } } // --- Methods to support CharSequence --- public CharBuffer subSequence(int start, int end) { int pos = position(); Objects.checkFromToIndex(start, end, limit() - pos); return new HeapCharBuffer(hb, -1, pos + start, pos + end, capacity(), offset, segment); } public ByteOrder order() { return ByteOrder.nativeOrder(); } ByteOrder charRegionOrder() { return order(); } }