Java tutorial
//package com.java2s; /* * Copyright (C) 2008 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. */ public class Main { /** * Gets the number of bytes in the signed LEB128 encoding of the * given value. * * @param value the value in question * @return its write size, in bytes */ public static int signedLeb128Size(int value) { // TODO: This could be much cleverer. int remaining = value >> 7; int count = 0; boolean hasMore = true; int end = ((value & Integer.MIN_VALUE) == 0) ? 0 : -1; while (hasMore) { hasMore = (remaining != end) || ((remaining & 1) != ((value >> 6) & 1)); value = remaining; remaining >>= 7; count++; } return count; } }