| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed 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 com.android.dx.io.instructions; |
| |
| /** |
| * Implementation of {@code CodeOutput} that writes to a {@code short[]}. |
| */ |
| public final class ShortArrayCodeOutput extends BaseCodeCursor |
| implements CodeOutput { |
| /** array to write to */ |
| private final short[] array; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param maxSize the maximum number of code units that will be written |
| */ |
| public ShortArrayCodeOutput(int maxSize) { |
| if (maxSize < 0) { |
| throw new IllegalArgumentException("maxSize < 0"); |
| } |
| |
| this.array = new short[maxSize]; |
| } |
| |
| /** |
| * Gets the array. The returned array contains exactly the data |
| * written (e.g. no leftover space at the end). |
| */ |
| public short[] getArray() { |
| int cursor = cursor(); |
| |
| if (cursor == array.length) { |
| return array; |
| } |
| |
| short[] result = new short[cursor]; |
| System.arraycopy(array, 0, result, 0, cursor); |
| return result; |
| } |
| |
| /** @inheritDoc */ |
| public void write(short codeUnit) { |
| array[cursor()] = codeUnit; |
| advance(1); |
| } |
| |
| /** @inheritDoc */ |
| public void write(short u0, short u1) { |
| write(u0); |
| write(u1); |
| } |
| |
| /** @inheritDoc */ |
| public void write(short u0, short u1, short u2) { |
| write(u0); |
| write(u1); |
| write(u2); |
| } |
| |
| /** @inheritDoc */ |
| public void write(short u0, short u1, short u2, short u3) { |
| write(u0); |
| write(u1); |
| write(u2); |
| write(u3); |
| } |
| |
| /** @inheritDoc */ |
| public void write(short u0, short u1, short u2, short u3, short u4) { |
| write(u0); |
| write(u1); |
| write(u2); |
| write(u3); |
| write(u4); |
| } |
| |
| /** @inheritDoc */ |
| public void writeInt(int value) { |
| write((short) value); |
| write((short) (value >> 16)); |
| } |
| |
| /** @inheritDoc */ |
| public void writeLong(long value) { |
| write((short) value); |
| write((short) (value >> 16)); |
| write((short) (value >> 32)); |
| write((short) (value >> 48)); |
| } |
| |
| /** @inheritDoc */ |
| public void write(byte[] data) { |
| int value = 0; |
| boolean even = true; |
| for (byte b : data) { |
| if (even) { |
| value = b & 0xff; |
| even = false; |
| } else { |
| value |= b << 8; |
| write((short) value); |
| even = true; |
| } |
| } |
| |
| if (!even) { |
| write((short) value); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public void write(short[] data) { |
| for (short unit : data) { |
| write(unit); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public void write(int[] data) { |
| for (int i : data) { |
| writeInt(i); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public void write(long[] data) { |
| for (long l : data) { |
| writeLong(l); |
| } |
| } |
| } |