Android 汉字转拼音之工具篇

/*
 * 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.edaixi.util;

import java.text.Collator;
import java.util.ArrayList;
import java.util.Locale;

import android.text.TextUtils;
import android.util.Log;

/**
 * An object to convert Chinese character to its corresponding pinyin string.
 * For characters with multiple possible pinyin string, only one is selected
 * according to collator. Polyphone is not supported in this implementation.
 * This class is implemented to achieve the best runtime performance and minimum
 * runtime resources with tolerable sacrifice of accuracy. This implementation
 * highly depends on zh_CN ICU collation data and must be always synchronized
 * with ICU.
 *
 * Currently this file is aligned to zh.txt in ICU 4.6 来自android4.2源码
 */
public class HanziToPinyin3 {
	private static final String TAG = "HanziToPinyin";

	// Turn on this flag when we want to check internal data structure.
	private static final boolean DEBUG = false;

	/**
	 * Unihans array.
	 *
	 * Each unihans is the first one within same pinyin when collator is zh_CN.
	 */
	public static final char[] UNIHANS = { '\u963f', '\u54ce', '\u5b89',
			'\u80ae', '\u51f9', '\u516b', '\u6300', '\u6273', '\u90a6',
			'\u52f9', '\u9642', '\u5954', '\u4f3b', '\u5c44', '\u8fb9',
			'\u706c', '\u618b', '\u6c43', '\u51ab', '\u7676', '\u5cec',
			'\u5693', '\u5072', '\u53c2', '\u4ed3', '\u64a1', '\u518a',
			'\u5d7e', '\u66fd', '\u66fe', '\u5c64', '\u53c9', '\u8286',
			'\u8fbf', '\u4f25', '\u6284', '\u8f66', '\u62bb', '\u6c88',
			'\u6c89', '\u9637', '\u5403', '\u5145', '\u62bd', '\u51fa',
			'\u6b3b', '\u63e3', '\u5ddb', '\u5205', '\u5439', '\u65fe',
			'\u9034', '\u5472', '\u5306', '\u51d1', '\u7c97', '\u6c46',
			'\u5d14', '\u90a8', '\u6413', '\u5491', '\u5446', '\u4e39',
			'\u5f53', '\u5200', '\u561a', '\u6265', '\u706f', '\u6c10',
			'\u55f2', '\u7538', '\u5201', '\u7239', '\u4e01', '\u4e1f',
			'\u4e1c', '\u543a', '\u53be', '\u8011', '\u8968', '\u5428',
			'\u591a', '\u59b8', '\u8bf6', '\u5940', '\u97a5', '\u513f',
			'\u53d1', '\u5e06', '\u531a', '\u98de', '\u5206', '\u4e30',
			'\u8985', '\u4ecf', '\u7d11', '\u4f15', '\u65ee', '\u4f85',
			'\u7518', '\u5188', '\u768b', '\u6208', '\u7ed9', '\u6839',
			'\u522f', '\u5de5', '\u52fe', '\u4f30', '\u74dc', '\u4e56',
			'\u5173', '\u5149', '\u5f52', '\u4e28', '\u5459', '\u54c8',
			'\u548d', '\u4f44', '\u592f', '\u8320', '\u8bc3', '\u9ed2',
			'\u62eb', '\u4ea8', '\u5677', '\u53ff', '\u9f41', '\u4e6f',
			'\u82b1', '\u6000', '\u72bf', '\u5ddf', '\u7070', '\u660f',
			'\u5419', '\u4e0c', '\u52a0', '\u620b', '\u6c5f', '\u827d',
			'\u9636', '\u5dfe', '\u5755', '\u5182', '\u4e29', '\u51e5',
			'\u59e2', '\u5658', '\u519b', '\u5494', '\u5f00', '\u520a',
			'\u5ffc', '\u5c3b', '\u533c', '\u808e', '\u52a5', '\u7a7a',
			'\u62a0', '\u625d', '\u5938', '\u84af', '\u5bbd', '\u5321',
			'\u4e8f', '\u5764', '\u6269', '\u5783', '\u6765', '\u5170',
			'\u5577', '\u635e', '\u808b', '\u52d2', '\u5d1a', '\u5215',
			'\u4fe9', '\u5941', '\u826f', '\u64a9', '\u5217', '\u62ce',
			'\u5222', '\u6e9c', '\u56d6', '\u9f99', '\u779c', '\u565c',
			'\u5a08', '\u7567', '\u62a1', '\u7f57', '\u5463', '\u5988',
			'\u57cb', '\u5ada', '\u7264', '\u732b', '\u4e48', '\u5445',
			'\u95e8', '\u753f', '\u54aa', '\u5b80', '\u55b5', '\u4e5c',
			'\u6c11', '\u540d', '\u8c2c', '\u6478', '\u54de', '\u6bea',
			'\u55ef', '\u62cf', '\u8149', '\u56e1', '\u56d4', '\u5b6c',
			'\u7592', '\u5a1e', '\u6041', '\u80fd', '\u59ae', '\u62c8',
			'\u5b22', '\u9e1f', '\u634f', '\u56dc', '\u5b81', '\u599e',
			'\u519c', '\u7fba', '\u5974', '\u597b', '\u759f', '\u9ec1',
			'\u90cd', '\u5594', '\u8bb4', '\u5991', '\u62cd', '\u7705',
			'\u4e53', '\u629b', '\u5478', '\u55b7', '\u5309', '\u4e15',
			'\u56e8', '\u527d', '\u6c15', '\u59d8', '\u4e52', '\u948b',
			'\u5256', '\u4ec6', '\u4e03', '\u6390', '\u5343', '\u545b',
			'\u6084', '\u767f', '\u4eb2', '\u72c5', '\u828e', '\u4e18',
			'\u533a', '\u5cd1', '\u7f3a', '\u590b', '\u5465', '\u7a63',
			'\u5a06', '\u60f9', '\u4eba', '\u6254', '\u65e5', '\u8338',
			'\u53b9', '\u909a', '\u633c', '\u5827', '\u5a51', '\u77a4',
			'\u637c', '\u4ee8', '\u6be2', '\u4e09', '\u6852', '\u63bb',
			'\u95aa', '\u68ee', '\u50e7', '\u6740', '\u7b5b', '\u5c71',
			'\u4f24', '\u5f30', '\u5962', '\u7533', '\u8398', '\u6552',
			'\u5347', '\u5c38', '\u53ce', '\u4e66', '\u5237', '\u8870',
			'\u95e9', '\u53cc', '\u8c01', '\u542e', '\u8bf4', '\u53b6',
			'\u5fea', '\u635c', '\u82cf', '\u72fb', '\u590a', '\u5b59',
			'\u5506', '\u4ed6', '\u56fc', '\u574d', '\u6c64', '\u5932',
			'\u5fd1', '\u71a5', '\u5254', '\u5929', '\u65eb', '\u5e16',
			'\u5385', '\u56f2', '\u5077', '\u51f8', '\u6e4d', '\u63a8',
			'\u541e', '\u4e47', '\u7a75', '\u6b6a', '\u5f2f', '\u5c23',
			'\u5371', '\u6637', '\u7fc1', '\u631d', '\u4e4c', '\u5915',
			'\u8672', '\u4eda', '\u4e61', '\u7071', '\u4e9b', '\u5fc3',
			'\u661f', '\u51f6', '\u4f11', '\u5401', '\u5405', '\u524a',
			'\u5743', '\u4e2b', '\u6079', '\u592e', '\u5e7a', '\u503b',
			'\u4e00', '\u56d9', '\u5e94', '\u54df', '\u4f63', '\u4f18',
			'\u625c', '\u56e6', '\u66f0', '\u6655', '\u7b60', '\u7b7c',
			'\u5e00', '\u707d', '\u5142', '\u5328', '\u50ae', '\u5219',
			'\u8d3c', '\u600e', '\u5897', '\u624e', '\u635a', '\u6cbe',
			'\u5f20', '\u957f', '\u9577', '\u4f4b', '\u8707', '\u8d1e',
			'\u4e89', '\u4e4b', '\u5cd9', '\u5ea2', '\u4e2d', '\u5dde',
			'\u6731', '\u6293', '\u62fd', '\u4e13', '\u5986', '\u96b9',
			'\u5b92', '\u5353', '\u4e72', '\u5b97', '\u90b9', '\u79df',
			'\u94bb', '\u539c', '\u5c0a', '\u6628', '\u5159', '\u9fc3',
			'\u9fc4', };

	/**
	 * Pinyin array.
	 *
	 * Each pinyin is corresponding to unihans of same offset in the unihans
	 * array.
	 */
	public static final byte[][] PINYINS = { { 65, 0, 0, 0, 0, 0 },
			{ 65, 73, 0, 0, 0, 0 }, { 65, 78, 0, 0, 0, 0 },
			{ 65, 78, 71, 0, 0, 0 }, { 65, 79, 0, 0, 0, 0 },
			{ 66, 65, 0, 0, 0, 0 }, { 66, 65, 73, 0, 0, 0 },
			{ 66, 65, 78, 0, 0, 0 }, { 66, 65, 78, 71, 0, 0 },
			{ 66, 65, 79, 0, 0, 0 }, { 66, 69, 73, 0, 0, 0 },
			{ 66, 69, 78, 0, 0, 0 }, { 66, 69, 78, 71, 0, 0 },
			{ 66, 73, 0, 0, 0, 0 }, { 66, 73, 65, 78, 0, 0 },
			{ 66, 73, 65, 79, 0, 0 }, { 66, 73, 69, 0, 0, 0 },
			{ 66, 73, 78, 0, 0, 0 }, { 66, 73, 78, 71, 0, 0 },
			{ 66, 79, 0, 0, 0, 0 }, { 66, 85, 0, 0, 0, 0 },
			{ 67, 65, 0, 0, 0, 0 }, { 67, 65, 73, 0, 0, 0 },
			{ 67, 65, 78, 0, 0, 0 }, { 67, 65, 78, 71, 0, 0 },
			{ 67, 65, 79, 0, 0, 0 }, { 67, 69, 0, 0, 0, 0 },
			{ 67, 69, 78, 0, 0, 0 }, { 67, 69, 78, 71, 0, 0 },
			{ 90, 69, 78, 71, 0, 0 }, { 67, 69, 78, 71, 0, 0 },
			{ 67, 72, 65, 0, 0, 0 }, { 67, 72, 65, 73, 0, 0 },
			{ 67, 72, 65, 78, 0, 0 }, { 67, 72, 65, 78, 71, 0 },
			{ 67, 72, 65, 79, 0, 0 }, { 67, 72, 69, 0, 0, 0 },
			{ 67, 72, 69, 78, 0, 0 }, { 83, 72, 69, 78, 0, 0 },
			{ 67, 72, 69, 78, 0, 0 }, { 67, 72, 69, 78, 71, 0 },
			{ 67, 72, 73, 0, 0, 0 }, { 67, 72, 79, 78, 71, 0 },
			{ 67, 72, 79, 85, 0, 0 }, { 67, 72, 85, 0, 0, 0 },
			{ 67, 72, 85, 65, 0, 0 }, { 67, 72, 85, 65, 73, 0 },
			{ 67, 72, 85, 65, 78, 0 }, { 67, 72, 85, 65, 78, 71 },
			{ 67, 72, 85, 73, 0, 0 }, { 67, 72, 85, 78, 0, 0 },
			{ 67, 72, 85, 79, 0, 0 }, { 67, 73, 0, 0, 0, 0 },
			{ 67, 79, 78, 71, 0, 0 }, { 67, 79, 85, 0, 0, 0 },
			{ 67, 85, 0, 0, 0, 0 }, { 67, 85, 65, 78, 0, 0 },
			{ 67, 85, 73, 0, 0, 0 }, { 67, 85, 78, 0, 0, 0 },
			{ 67, 85, 79, 0, 0, 0 }, { 68, 65, 0, 0, 0, 0 },
			{ 68, 65, 73, 0, 0, 0 }, { 68, 65, 78, 0, 0, 0 },
			{ 68, 65, 78, 71, 0, 0 }, { 68, 65, 79, 0, 0, 0 },
			{ 68, 69, 0, 0, 0, 0 }, { 68, 69, 78, 0, 0, 0 },
			{ 68, 69, 78, 71, 0, 0 }, { 68, 73, 0, 0, 0, 0 },
			{ 68, 73, 65, 0, 0, 0 }, { 68, 73, 65, 78, 0, 0 },
			{ 68, 73, 65, 79, 0, 0 }, { 68, 73, 69, 0, 0, 0 },
			{ 68, 73, 78, 71, 0, 0 }, { 68, 73, 85, 0, 0, 0 },
			{ 68, 79, 78, 71, 0, 0 }, { 68, 79, 85, 0, 0, 0 },
			{ 68, 85, 0, 0, 0, 0 }, { 68, 85, 65, 78, 0, 0 },
			{ 68, 85, 73, 0, 0, 0 }, { 68, 85, 78, 0, 0, 0 },
			{ 68, 85, 79, 0, 0, 0 }, { 69, 0, 0, 0, 0, 0 },
			{ 69, 73, 0, 0, 0, 0 }, { 69, 78, 0, 0, 0, 0 },
			{ 69, 78, 71, 0, 0, 0 }, { 69, 82, 0, 0, 0, 0 },
			{ 70, 65, 0, 0, 0, 0 }, { 70, 65, 78, 0, 0, 0 },
			{ 70, 65, 78, 71, 0, 0 }, { 70, 69, 73, 0, 0, 0 },
			{ 70, 69, 78, 0, 0, 0 }, { 70, 69, 78, 71, 0, 0 },
			{ 70, 73, 65, 79, 0, 0 }, { 70, 79, 0, 0, 0, 0 },
			{ 70, 79, 85, 0, 0, 0 }, { 70, 85, 0, 0, 0, 0 },
			{ 71, 65, 0, 0, 0, 0 }, { 71, 65, 73, 0, 0, 0 },
			{ 71, 65, 78, 0, 0, 0 }, { 71, 65, 78, 71, 0, 0 },
			{ 71, 65, 79, 0, 0, 0 }, { 71, 69, 0, 0, 0, 0 },
			{ 71, 69, 73, 0, 0, 0 }, { 71, 69, 78, 0, 0, 0 },
			{ 71, 69, 78, 71, 0, 0 }, { 71, 79, 78, 71, 0, 0 },
			{ 71, 79, 85, 0, 0, 0 }, { 71, 85, 0, 0, 0, 0 },
			{ 71, 85, 65, 0, 0, 0 }, { 71, 85, 65, 73, 0, 0 },
			{ 71, 85, 65, 78, 0, 0 }, { 71, 85, 65, 78, 71, 0 },
			{ 71, 85, 73, 0, 0, 0 }, { 71, 85, 78, 0, 0, 0 },
			{ 71, 85, 79, 0, 0, 0 }, { 72, 65, 0, 0, 0, 0 },
			{ 72, 65, 73, 0, 0, 0 }, { 72, 65, 78, 0, 0, 0 },
			{ 72, 65, 78, 71, 0, 0 }, { 72, 65, 79, 0, 0, 0 },
			{ 72, 69, 0, 0, 0, 0 }, { 72, 69, 73, 0, 0, 0 },
			{ 72, 69, 78, 0, 0, 0 }, { 72, 69, 78, 71, 0, 0 },
			{ 72, 77, 0, 0, 0, 0 }, { 72, 79, 78, 71, 0, 0 },
			{ 72, 79, 85, 0, 0, 0 }, { 72, 85, 0, 0, 0, 0 },
			{ 72, 85, 65, 0, 0, 0 }, { 72, 85, 65, 73, 0, 0 },
			{ 72, 85, 65, 78, 0, 0 }, { 72, 85, 65, 78, 71, 0 },
			{ 72, 85, 73, 0, 0, 0 }, { 72, 85, 78, 0, 0, 0 },
			{ 72, 85, 79, 0, 0, 0 }, { 74, 73, 0, 0, 0, 0 },
			{ 74, 73, 65, 0, 0, 0 }, { 74, 73, 65, 78, 0, 0 },
			{ 74, 73, 65, 78, 71, 0 }, { 74, 73, 65, 79, 0, 0 },
			{ 74, 73, 69, 0, 0, 0 }, { 74, 73, 78, 0, 0, 0 },
			{ 74, 73, 78, 71, 0, 0 }, { 74, 73, 79, 78, 71, 0 },
			{ 74, 73, 85, 0, 0, 0 }, { 74, 85, 0, 0, 0, 0 },
			{ 74, 85, 65, 78, 0, 0 }, { 74, 85, 69, 0, 0, 0 },
			{ 74, 85, 78, 0, 0, 0 }, { 75, 65, 0, 0, 0, 0 },
			{ 75, 65, 73, 0, 0, 0 }, { 75, 65, 78, 0, 0, 0 },
			{ 75, 65, 78, 71, 0, 0 }, { 75, 65, 79, 0, 0, 0 },
			{ 75, 69, 0, 0, 0, 0 }, { 75, 69, 78, 0, 0, 0 },
			{ 75, 69, 78, 71, 0, 0 }, { 75, 79, 78, 71, 0, 0 },
			{ 75, 79, 85, 0, 0, 0 }, { 75, 85, 0, 0, 0, 0 },
			{ 75, 85, 65, 0, 0, 0 }, { 75, 85, 65, 73, 0, 0 },
			{ 75, 85, 65, 78, 0, 0 }, { 75, 85, 65, 78, 71, 0 },
			{ 75, 85, 73, 0, 0, 0 }, { 75, 85, 78, 0, 0, 0 },
			{ 75, 85, 79, 0, 0, 0 }, { 76, 65, 0, 0, 0, 0 },
			{ 76, 65, 73, 0, 0, 0 }, { 76, 65, 78, 0, 0, 0 },
			{ 76, 65, 78, 71, 0, 0 }, { 76, 65, 79, 0, 0, 0 },
			{ 76, 69, 0, 0, 0, 0 }, { 76, 69, 73, 0, 0, 0 },
			{ 76, 69, 78, 71, 0, 0 }, { 76, 73, 0, 0, 0, 0 },
			{ 76, 73, 65, 0, 0, 0 }, { 76, 73, 65, 78, 0, 0 },
			{ 76, 73, 65, 78, 71, 0 }, { 76, 73, 65, 79, 0, 0 },
			{ 76, 73, 69, 0, 0, 0 }, { 76, 73, 78, 0, 0, 0 },
			{ 76, 73, 78, 71, 0, 0 }, { 76, 73, 85, 0, 0, 0 },
			{ 76, 79, 0, 0, 0, 0 }, { 76, 79, 78, 71, 0, 0 },
			{ 76, 79, 85, 0, 0, 0 }, { 76, 85, 0, 0, 0, 0 },
			{ 76, 85, 65, 78, 0, 0 }, { 76, 85, 69, 0, 0, 0 },
			{ 76, 85, 78, 0, 0, 0 }, { 76, 85, 79, 0, 0, 0 },
			{ 77, 0, 0, 0, 0, 0 }, { 77, 65, 0, 0, 0, 0 },
			{ 77, 65, 73, 0, 0, 0 }, { 77, 65, 78, 0, 0, 0 },
			{ 77, 65, 78, 71, 0, 0 }, { 77, 65, 79, 0, 0, 0 },
			{ 77, 69, 0, 0, 0, 0 }, { 77, 69, 73, 0, 0, 0 },
			{ 77, 69, 78, 0, 0, 0 }, { 77, 69, 78, 71, 0, 0 },
			{ 77, 73, 0, 0, 0, 0 }, { 77, 73, 65, 78, 0, 0 },
			{ 77, 73, 65, 79, 0, 0 }, { 77, 73, 69, 0, 0, 0 },
			{ 77, 73, 78, 0, 0, 0 }, { 77, 73, 78, 71, 0, 0 },
			{ 77, 73, 85, 0, 0, 0 }, { 77, 79, 0, 0, 0, 0 },
			{ 77, 79, 85, 0, 0, 0 }, { 77, 85, 0, 0, 0, 0 },
			{ 78, 0, 0, 0, 0, 0 }, { 78, 65, 0, 0, 0, 0 },
			{ 78, 65, 73, 0, 0, 0 }, { 78, 65, 78, 0, 0, 0 },
			{ 78, 65, 78, 71, 0, 0 }, { 78, 65, 79, 0, 0, 0 },
			{ 78, 69, 0, 0, 0, 0 }, { 78, 69, 73, 0, 0, 0 },
			{ 78, 69, 78, 0, 0, 0 }, { 78, 69, 78, 71, 0, 0 },
			{ 78, 73, 0, 0, 0, 0 }, { 78, 73, 65, 78, 0, 0 },
			{ 78, 73, 65, 78, 71, 0 }, { 78, 73, 65, 79, 0, 0 },
			{ 78, 73, 69, 0, 0, 0 }, { 78, 73, 78, 0, 0, 0 },
			{ 78, 73, 78, 71, 0, 0 }, { 78, 73, 85, 0, 0, 0 },
			{ 78, 79, 78, 71, 0, 0 }, { 78, 79, 85, 0, 0, 0 },
			{ 78, 85, 0, 0, 0, 0 }, { 78, 85, 65, 78, 0, 0 },
			{ 78, 85, 69, 0, 0, 0 }, { 78, 85, 78, 0, 0, 0 },
			{ 78, 85, 79, 0, 0, 0 }, { 79, 0, 0, 0, 0, 0 },
			{ 79, 85, 0, 0, 0, 0 }, { 80, 65, 0, 0, 0, 0 },
			{ 80, 65, 73, 0, 0, 0 }, { 80, 65, 78, 0, 0, 0 },
			{ 80, 65, 78, 71, 0, 0 }, { 80, 65, 79, 0, 0, 0 },
			{ 80, 69, 73, 0, 0, 0 }, { 80, 69, 78, 0, 0, 0 },
			{ 80, 69, 78, 71, 0, 0 }, { 80, 73, 0, 0, 0, 0 },
			{ 80, 73, 65, 78, 0, 0 }, { 80, 73, 65, 79, 0, 0 },
			{ 80, 73, 69, 0, 0, 0 }, { 80, 73, 78, 0, 0, 0 },
			{ 80, 73, 78, 71, 0, 0 }, { 80, 79, 0, 0, 0, 0 },
			{ 80, 79, 85, 0, 0, 0 }, { 80, 85, 0, 0, 0, 0 },
			{ 81, 73, 0, 0, 0, 0 }, { 81, 73, 65, 0, 0, 0 },
			{ 81, 73, 65, 78, 0, 0 }, { 81, 73, 65, 78, 71, 0 },
			{ 81, 73, 65, 79, 0, 0 }, { 81, 73, 69, 0, 0, 0 },
			{ 81, 73, 78, 0, 0, 0 }, { 81, 73, 78, 71, 0, 0 },
			{ 81, 73, 79, 78, 71, 0 }, { 81, 73, 85, 0, 0, 0 },
			{ 81, 85, 0, 0, 0, 0 }, { 81, 85, 65, 78, 0, 0 },
			{ 81, 85, 69, 0, 0, 0 }, { 81, 85, 78, 0, 0, 0 },
			{ 82, 65, 78, 0, 0, 0 }, { 82, 65, 78, 71, 0, 0 },
			{ 82, 65, 79, 0, 0, 0 }, { 82, 69, 0, 0, 0, 0 },
			{ 82, 69, 78, 0, 0, 0 }, { 82, 69, 78, 71, 0, 0 },
			{ 82, 73, 0, 0, 0, 0 }, { 82, 79, 78, 71, 0, 0 },
			{ 82, 79, 85, 0, 0, 0 }, { 82, 85, 0, 0, 0, 0 },
			{ 82, 85, 65, 0, 0, 0 }, { 82, 85, 65, 78, 0, 0 },
			{ 82, 85, 73, 0, 0, 0 }, { 82, 85, 78, 0, 0, 0 },
			{ 82, 85, 79, 0, 0, 0 }, { 83, 65, 0, 0, 0, 0 },
			{ 83, 65, 73, 0, 0, 0 }, { 83, 65, 78, 0, 0, 0 },
			{ 83, 65, 78, 71, 0, 0 }, { 83, 65, 79, 0, 0, 0 },
			{ 83, 69, 0, 0, 0, 0 }, { 83, 69, 78, 0, 0, 0 },
			{ 83, 69, 78, 71, 0, 0 }, { 83, 72, 65, 0, 0, 0 },
			{ 83, 72, 65, 73, 0, 0 }, { 83, 72, 65, 78, 0, 0 },
			{ 83, 72, 65, 78, 71, 0 }, { 83, 72, 65, 79, 0, 0 },
			{ 83, 72, 69, 0, 0, 0 }, { 83, 72, 69, 78, 0, 0 },
			{ 88, 73, 78, 0, 0, 0 }, { 83, 72, 69, 78, 0, 0 },
			{ 83, 72, 69, 78, 71, 0 }, { 83, 72, 73, 0, 0, 0 },
			{ 83, 72, 79, 85, 0, 0 }, { 83, 72, 85, 0, 0, 0 },
			{ 83, 72, 85, 65, 0, 0 }, { 83, 72, 85, 65, 73, 0 },
			{ 83, 72, 85, 65, 78, 0 }, { 83, 72, 85, 65, 78, 71 },
			{ 83, 72, 85, 73, 0, 0 }, { 83, 72, 85, 78, 0, 0 },
			{ 83, 72, 85, 79, 0, 0 }, { 83, 73, 0, 0, 0, 0 },
			{ 83, 79, 78, 71, 0, 0 }, { 83, 79, 85, 0, 0, 0 },
			{ 83, 85, 0, 0, 0, 0 }, { 83, 85, 65, 78, 0, 0 },
			{ 83, 85, 73, 0, 0, 0 }, { 83, 85, 78, 0, 0, 0 },
			{ 83, 85, 79, 0, 0, 0 }, { 84, 65, 0, 0, 0, 0 },
			{ 84, 65, 73, 0, 0, 0 }, { 84, 65, 78, 0, 0, 0 },
			{ 84, 65, 78, 71, 0, 0 }, { 84, 65, 79, 0, 0, 0 },
			{ 84, 69, 0, 0, 0, 0 }, { 84, 69, 78, 71, 0, 0 },
			{ 84, 73, 0, 0, 0, 0 }, { 84, 73, 65, 78, 0, 0 },
			{ 84, 73, 65, 79, 0, 0 }, { 84, 73, 69, 0, 0, 0 },
			{ 84, 73, 78, 71, 0, 0 }, { 84, 79, 78, 71, 0, 0 },
			{ 84, 79, 85, 0, 0, 0 }, { 84, 85, 0, 0, 0, 0 },
			{ 84, 85, 65, 78, 0, 0 }, { 84, 85, 73, 0, 0, 0 },
			{ 84, 85, 78, 0, 0, 0 }, { 84, 85, 79, 0, 0, 0 },
			{ 87, 65, 0, 0, 0, 0 }, { 87, 65, 73, 0, 0, 0 },
			{ 87, 65, 78, 0, 0, 0 }, { 87, 65, 78, 71, 0, 0 },
			{ 87, 69, 73, 0, 0, 0 }, { 87, 69, 78, 0, 0, 0 },
			{ 87, 69, 78, 71, 0, 0 }, { 87, 79, 0, 0, 0, 0 },
			{ 87, 85, 0, 0, 0, 0 }, { 88, 73, 0, 0, 0, 0 },
			{ 88, 73, 65, 0, 0, 0 }, { 88, 73, 65, 78, 0, 0 },
			{ 88, 73, 65, 78, 71, 0 }, { 88, 73, 65, 79, 0, 0 },
			{ 88, 73, 69, 0, 0, 0 }, { 88, 73, 78, 0, 0, 0 },
			{ 88, 73, 78, 71, 0, 0 }, { 88, 73, 79, 78, 71, 0 },
			{ 88, 73, 85, 0, 0, 0 }, { 88, 85, 0, 0, 0, 0 },
			{ 88, 85, 65, 78, 0, 0 }, { 88, 85, 69, 0, 0, 0 },
			{ 88, 85, 78, 0, 0, 0 }, { 89, 65, 0, 0, 0, 0 },
			{ 89, 65, 78, 0, 0, 0 }, { 89, 65, 78, 71, 0, 0 },
			{ 89, 65, 79, 0, 0, 0 }, { 89, 69, 0, 0, 0, 0 },
			{ 89, 73, 0, 0, 0, 0 }, { 89, 73, 78, 0, 0, 0 },
			{ 89, 73, 78, 71, 0, 0 }, { 89, 79, 0, 0, 0, 0 },
			{ 89, 79, 78, 71, 0, 0 }, { 89, 79, 85, 0, 0, 0 },
			{ 89, 85, 0, 0, 0, 0 }, { 89, 85, 65, 78, 0, 0 },
			{ 89, 85, 69, 0, 0, 0 }, { 89, 85, 78, 0, 0, 0 },
			{ 74, 85, 78, 0, 0, 0 }, { 89, 85, 78, 0, 0, 0 },
			{ 90, 65, 0, 0, 0, 0 }, { 90, 65, 73, 0, 0, 0 },
			{ 90, 65, 78, 0, 0, 0 }, { 90, 65, 78, 71, 0, 0 },
			{ 90, 65, 79, 0, 0, 0 }, { 90, 69, 0, 0, 0, 0 },
			{ 90, 69, 73, 0, 0, 0 }, { 90, 69, 78, 0, 0, 0 },
			{ 90, 69, 78, 71, 0, 0 }, { 90, 72, 65, 0, 0, 0 },
			{ 90, 72, 65, 73, 0, 0 }, { 90, 72, 65, 78, 0, 0 },
			{ 90, 72, 65, 78, 71, 0 }, { 67, 72, 65, 78, 71, 0 },
			{ 90, 72, 65, 78, 71, 0 }, { 90, 72, 65, 79, 0, 0 },
			{ 90, 72, 69, 0, 0, 0 }, { 90, 72, 69, 78, 0, 0 },
			{ 90, 72, 69, 78, 71, 0 }, { 90, 72, 73, 0, 0, 0 },
			{ 83, 72, 73, 0, 0, 0 }, { 90, 72, 73, 0, 0, 0 },
			{ 90, 72, 79, 78, 71, 0 }, { 90, 72, 79, 85, 0, 0 },
			{ 90, 72, 85, 0, 0, 0 }, { 90, 72, 85, 65, 0, 0 },
			{ 90, 72, 85, 65, 73, 0 }, { 90, 72, 85, 65, 78, 0 },
			{ 90, 72, 85, 65, 78, 71 }, { 90, 72, 85, 73, 0, 0 },
			{ 90, 72, 85, 78, 0, 0 }, { 90, 72, 85, 79, 0, 0 },
			{ 90, 73, 0, 0, 0, 0 }, { 90, 79, 78, 71, 0, 0 },
			{ 90, 79, 85, 0, 0, 0 }, { 90, 85, 0, 0, 0, 0 },
			{ 90, 85, 65, 78, 0, 0 }, { 90, 85, 73, 0, 0, 0 },
			{ 90, 85, 78, 0, 0, 0 }, { 90, 85, 79, 0, 0, 0 },
			{ 0, 0, 0, 0, 0, 0 }, { 83, 72, 65, 78, 0, 0 },
			{ 0, 0, 0, 0, 0, 0 }, };

	/**
	 * First and last Chinese character with known Pinyin according to zh
	 * collation
	 */
	private static final String FIRST_PINYIN_UNIHAN = "\u963F";
	private static final String LAST_PINYIN_UNIHAN = "\u9FFF";

	private static final Collator COLLATOR = Collator.getInstance(Locale.CHINA);

	private static HanziToPinyin3 sInstance;
	private final boolean mHasChinaCollator;

	public static class Token {
		/**
		 * Separator between target string for each source char
		 */
		public static final String SEPARATOR = " ";

		public static final int LATIN = 1;
		public static final int PINYIN = 2;
		public static final int UNKNOWN = 3;

		public Token() {
		}

		public Token(int type, String source, String target) {
			this.type = type;
			this.source = source;
			this.target = target;
		}

		/**
		 * Type of this token, ASCII, PINYIN or UNKNOWN.
		 */
		public int type;
		/**
		 * Original string before translation.
		 */
		public String source;
		/**
		 * Translated string of source. For Han, target is corresponding Pinyin.
		 * Otherwise target is original string in source.
		 */
		public String target;
	}

	protected HanziToPinyin3(boolean hasChinaCollator) {
		mHasChinaCollator = hasChinaCollator;
	}

	public static HanziToPinyin3 getInstance() {
		synchronized (HanziToPinyin3.class) {
			if (sInstance != null) {
				return sInstance;
			}
			// Check if zh_CN collation data is available
			final Locale locale[] = Collator.getAvailableLocales();
			for (int i = 0; i < locale.length; i++) {
				if (locale[i].equals(Locale.CHINESE)
						|| locale[i].equals(Locale.CHINA)) {
					// Do self validation just once.
					if (DEBUG) {
						Log.d(TAG, "Self validation. Result: "
								+ doSelfValidation());
					}
					sInstance = new HanziToPinyin3(true);
					return sInstance;
				}
			}
			Log.w(TAG,
					"There is no Chinese collator, HanziToPinyin is disabled");
			sInstance = new HanziToPinyin3(false);
			return sInstance;
		}
	}

	/**
	 * Validate if our internal table has some wrong value.
	 *
	 * @return true when the table looks correct.
	 */
	private static boolean doSelfValidation() {
		char lastChar = UNIHANS[0];
		String lastString = Character.toString(lastChar);
		for (char c : UNIHANS) {
			if (lastChar == c) {
				continue;
			}
			final String curString = Character.toString(c);
			int cmp = COLLATOR.compare(lastString, curString);
			if (cmp >= 0) {
				Log.e(TAG, "Internal error in Unihan table. "
						+ "The last string \"" + lastString
						+ "\" is greater than current string \"" + curString
						+ "\".");
				return false;
			}
			lastString = curString;
		}
		return true;
	}

	private Token getToken(char character) {
		Token token = new Token();
		final String letter = Character.toString(character);
		token.source = letter;
		int offset = -1;
		int cmp;
		if (character < 256) {
			token.type = Token.LATIN;
			token.target = letter;
			return token;
		} else {
			cmp = COLLATOR.compare(letter, FIRST_PINYIN_UNIHAN);
			if (cmp < 0) {
				token.type = Token.UNKNOWN;
				token.target = letter;
				return token;
			} else if (cmp == 0) {
				token.type = Token.PINYIN;
				offset = 0;
			} else {
				cmp = COLLATOR.compare(letter, LAST_PINYIN_UNIHAN);
				if (cmp > 0) {
					token.type = Token.UNKNOWN;
					token.target = letter;
					return token;
				} else if (cmp == 0) {
					token.type = Token.PINYIN;
					offset = UNIHANS.length - 1;
				}
			}
		}

		token.type = Token.PINYIN;
		if (offset < 0) {
			int begin = 0;
			int end = UNIHANS.length - 1;
			while (begin <= end) {
				offset = (begin + end) / 2;
				final String unihan = Character.toString(UNIHANS[offset]);
				cmp = COLLATOR.compare(letter, unihan);
				if (cmp == 0) {
					break;
				} else if (cmp > 0) {
					begin = offset + 1;
				} else {
					end = offset - 1;
				}
			}
		}
		if (cmp < 0) {
			offset--;
		}
		StringBuilder pinyin = new StringBuilder();
		for (int j = 0; j < PINYINS[offset].length && PINYINS[offset][j] != 0; j++) {
			pinyin.append((char) PINYINS[offset][j]);
		}
		token.target = pinyin.toString();
		if (TextUtils.isEmpty(token.target)) {
			token.type = Token.UNKNOWN;
			token.target = token.source;
		}
		return token;
	}

	/**
	 * Convert the input to a array of tokens. The sequence of ASCII or Unknown
	 * characters without space will be put into a Token, One Hanzi character
	 * which has pinyin will be treated as a Token. If these is no China
	 * collator, the empty token array is returned.
	 */
	public ArrayList<Token> get(final String input) {
		ArrayList<Token> tokens = new ArrayList<Token>();
		if (!mHasChinaCollator || TextUtils.isEmpty(input)) {
			// return empty tokens.
			return tokens;
		}
		final int inputLength = input.length();
		final StringBuilder sb = new StringBuilder();
		int tokenType = Token.LATIN;
		// Go through the input, create a new token when
		// a. Token type changed
		// b. Get the Pinyin of current charater.
		// c. current character is space.
		for (int i = 0; i < inputLength; i++) {
			final char character = input.charAt(i);
			if (character == ' ') {
				if (sb.length() > 0) {
					addToken(sb, tokens, tokenType);
				}
			} else if (character < 256) {
				if (tokenType != Token.LATIN && sb.length() > 0) {
					addToken(sb, tokens, tokenType);
				}
				tokenType = Token.LATIN;
				sb.append(character);
			} else {
				Token t = getToken(character);
				if (t.type == Token.PINYIN) {
					if (sb.length() > 0) {
						addToken(sb, tokens, tokenType);
					}
					tokens.add(t);
					tokenType = Token.PINYIN;
				} else {
					if (tokenType != t.type && sb.length() > 0) {
						addToken(sb, tokens, tokenType);
					}
					tokenType = t.type;
					sb.append(character);
				}
			}
		}
		if (sb.length() > 0) {
			addToken(sb, tokens, tokenType);
		}
		return tokens;
	}

	private void addToken(final StringBuilder sb,
			final ArrayList<Token> tokens, final int tokenType) {
		String str = sb.toString();
		tokens.add(new Token(tokenType, str, str));
		sb.setLength(0);
	}
}

  

时间: 2024-10-30 11:15:24

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