java实现汉字转拼音方法



Java代码 收藏代码
/*
* 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.*.util;

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

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

/**
* 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 ChineseToPinyin {
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 ChineseToPinyin 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 ChineseToPinyin(boolean hasChinaCollator) {
mHasChinaCollator = hasChinaCollator;
}

public static ChineseToPinyin getInstance() {
synchronized (ChineseToPinyin.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.CHINA)) {
// Do self validation just once.
if (DEBUG) {
Log.d(TAG, “Self validation. Result: ” + doSelfValidation());
}
sInstance = new ChineseToPinyin(true);
return sInstance;
}
}
Log.w(TAG, “There is no Chinese collator, HanziToPinyin is disabled”);
// sInstance = new ChineseToPinyin(false);
sInstance = new ChineseToPinyin(true);
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);
}
}

 

http://zyn010101.iteye.com/blog/2220583