安卓汉字转拼音

原来研究的小项目，现在简单整理了一下，免费贡献给大家！
package com.tool.hz2py;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.TextView;

public class MainActivity extends Activity {

protected Hz2py hz2py;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
hz2py = new Hz2py();
TextView view = (TextView) findViewById(R.id.text);
view.setText(hz2py.hz2py("汉字转拼音"));
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

#include "hz2py.h"
#include <string.h>
#include "com_tool_hz2py_Hz2py.h"

#define HZ2PY_UTF8_CHECK_LENGTH 20
#define HZ2PY_FILE_READ_BUF_ARRAY_SIZE 1000
#define HZ2PY_INPUT_BUF_ARRAY_SIZE 1024
#define HZ2PY_OUTPUT_BUF_ARRAY_SIZE 2048
#define HZ2PY_STR_COPY(to, from, count) \
    ok = 1;\
    i = 0;\
    _tmp = from;\
    while(i < count)\
    {\
        if (*_tmp == '\0')\
        {\
            ok = 0;\
            break;\
        }\
        _tmp ++;\
        i ++;\
    }\
    if (ok)\
{\
    i = 0;\
    while(i < count)\
    {\
        *to = *from;\
        to ++;\
        from ++;\
        i ++;\
    }\
}\
else\
{\
    if (overage_buff != NULL)\
    {\
        while(*from != '\0')\
        {\
            *overage_buff = *from;\
            from ++;\
        }\
    }\
    break;\
}

//将utf8编码的字符串中的汉字解成拼音
// in 输入
// out 输出
// first_letter_only 是否只输出拼音首字母
// polyphone_support 是否输出多音字
// add_blank 是否在拼音之间追加空格
// convert_double_char 是否转换全角字符为半角字符
// overage_buff 末尾如果有多余的不能组成完整utf8字符的字节，将写到overage_buff，传NULL将输出到out

void utf8_to_pinyin(char *in, char *out, int first_letter_only,
int polyphone_support, int add_blank, int convert_double_char,
char *overage_buff) {
int i = 0;
char *utf = in;
char *_tmp;
char *_tmp2;
char py_tmp[30] = "";
char py_tmp2[30] = "";
char *out_start_flag = out;
int uni;
int ok = 0;
while (*utf != '\0') {
if ((*utf >> 7) == 0) {
HZ2PY_STR_COPY(out, utf, 1);
//如果为一个字节加上#号分隔
*out = '#'; //用#号做为分隔符
out++;
//去掉其它的英文只留汉字
//只能搜索到汉字拼音里面字母
// out--;
// *out = ' ';
}
//两个字节
else if ((*utf & 0xE0) == 0xC0) {
HZ2PY_STR_COPY(out, utf, 2);
}
//三个字节
else if ((*utf & 0xF0) == 0xE0) {
if (*(utf + 1) != '\0' && *(utf + 2) != '\0') {
uni = (((int) (*utf & 0x0F)) << 12)
| (((int) (*(utf + 1) & 0x3F)) << 6)
| (*(utf + 2) & 0x3F);

if (uni > 19967 && uni < 40870) {
memset(py_tmp, '\0', 30);
memset(py_tmp2, '\0', 30);
strcpy(py_tmp, _pinyin_table_[uni - 19968]);
_tmp = py_tmp;
_tmp2 = py_tmp2;

if (first_letter_only == 1) {
*_tmp2 = *_tmp;
_tmp++;
_tmp2++;
while (*_tmp != '\0') {
if (*_tmp == '|' || *(_tmp - 1) == '|') {
*_tmp2 = *_tmp;
_tmp2++;
}
_tmp++;
}
} else {
strcpy(py_tmp2, py_tmp);
}

_tmp2 = py_tmp2;

if (polyphone_support == 0) {
while (*_tmp2 != '\0') {
if (*_tmp2 == '|') {
*_tmp2 = '\0';
break;
}
_tmp2++;
}
_tmp2 = py_tmp2;
}
strcpy(out, _tmp2);
out += strlen(_tmp2);
if (add_blank) {
*out = '#'; //用#号做为分隔符
out++;
}
utf += 3;
} else if (convert_double_char && uni > 65280 && uni < 65375) {
*out = uni - 65248;
out++;
utf += 3;
} else if (convert_double_char && uni == 12288) {
*out = 32;
out++;
utf += 3;
} else {
HZ2PY_STR_COPY(out, utf, 3);
}
} else {
HZ2PY_STR_COPY(out, utf, 3);
}
}
//四个字节
else if ((*utf & 0xF8) == 0xF0) {
HZ2PY_STR_COPY(out, utf, 4);
}
//五个字节
else if ((*utf & 0xFC) == 0xF8) {
HZ2PY_STR_COPY(out, utf, 5);
}
//六个字节
else if ((*utf & 0xFE) == 0xFC) {
HZ2PY_STR_COPY(out, utf, 6);
} else {
if (overage_buff != NULL) {
*overage_buff = *utf;
overage_buff++;
} else {
HZ2PY_STR_COPY(out, utf, 1);
}
break;
}
}
}

//判断一个字符串是否为utf8编码
int is_utf8_string(char *utf) {
int length = strlen(utf);
int check_sub = 0;
int i = 0;

if (length > HZ2PY_UTF8_CHECK_LENGTH) {
length = HZ2PY_UTF8_CHECK_LENGTH;
}

for (; i < length; i++) {
if (check_sub == 0) {
if ((utf[i] >> 7) == 0) {
continue;
} else if ((utf[i] & 0xE0) == 0xC0) {
check_sub = 1;
} else if ((utf[i] & 0xF0) == 0xE0) {
check_sub = 2;
} else if ((utf[i] & 0xF8) == 0xF0) {
check_sub = 3;
} else if ((utf[i] & 0xFC) == 0xF8) {
check_sub = 4;
} else if ((utf[i] & 0xFE) == 0xFC) {
check_sub = 5;
} else {
return 0;
}
} else {
if ((utf[i] & 0xC0) != 0x80) {
return 0;
}
check_sub--;
}
}
return 1;
}

int hztpy(const char *read_buff, char *outbuf) {
char overage_buff[7] = { 0 };
char *_tmp = NULL;
char inbuf[HZ2PY_INPUT_BUF_ARRAY_SIZE] = { 0 };
int add_blank = 1;
int polyphone_support = 1;
int first_letter_only = 0;
int convert_double_char = 0;

// first_letter_only 是否只输出拼音首字母
// polyphone_support 是否输出多音字
// add_blank 是否在拼音之间追加空格
// convert_double_char 是否转换全角字符为半角字符
// overage_buff 末尾如果有多余的不能组成完整utf8字符的字节，将写到overage_buff，传NULL将输出到out

_tmp = inbuf;
if (strlen(overage_buff)) {
strcpy(_tmp, overage_buff);
_tmp += strlen(overage_buff);
memset(overage_buff, '\0', 7);
}
strcpy(_tmp, read_buff);
if (!is_utf8_string(inbuf)) {
return -1;
}
utf8_to_pinyin(inbuf, outbuf, first_letter_only, polyphone_support,
add_blank, convert_double_char, overage_buff);
return 1;
}

JNIEXPORT jstring JNICALL Java_com_tool_hz2py_Hz2py_hz2py(JNIEnv *env,
jobject thiz, jstring text) {
const char* pText = env->GetStringUTFChars(text, 0);
char* oText = new char[512];//256中文
memset(oText,0,512);
hztpy(pText,oText);
jstring returnText = env->NewStringUTF(oText);
env->ReleaseStringUTFChars(text,pText);
delete oText;
return returnText;
}


代码格式显示不出来，郁闷.请大家移步这里看代码吧！
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