推捒台語一向是台語陣營的目標，台羅音音調輸入目前有一寡困難。網路目前嘛可能無會當輸入2,3,5,7,8音調的羅馬符號的方法。下跤的javascript是一个小小的試驗，有需要的人會當掠轉去家己電腦內面試用。連去試用
用法：拍著2,3,5,7,8的時，會將進前5字以內的字母判斷自動轉做台語羅馬音符號。進前若無字好轉，遮仔袂刣掉。
<!doctype html>
<head>
<meta charset="utf-8">
<title>一逝編輯器</title>
<script>
var cArr = new Array(); var cur = 0, front = 0;
var tones = [2, 3, 5, 7, 8]; var mothers = ['a', 'e', 'o', 'i', 'u'];
var a = ["á", "à", "â", "ā", "a̍"],
e = [" é", "è", "ê", "ē", "e̍"],
o = ["ó", "ò", "ô", "ō", "o̍"],
i = ["í", "ì", "î", "ī", "i̍"],
u = ["ú", "ù", "û", "ū", "u̍"],
n = ["ń", "ǹ", "n̂", "n̄", "n"],
m = ["ḿ", "m", "m", "m̄", "m"];
var rel = {'2': 0, '3': 1, '5': 2, '7': 3, '8': 4}; //調號關連到array
var strtofunc = {'a': a, 'e': e, 'o': o, 'i': i, 'u': u };
var ntofunc = {'n': n}; var mtofunc = {'m': m};
var token_len = 5;
var key;
function getString(start, end) {
var str = '';
for (var j = start; j < end; j++) {
str = str.concat(cArr[j]);
}
return str;
}
function subStr(curr) {
substr = '';
if ( (curr - token_len) < 0) substr = cArr.slice(0, curr);
else substr = cArr.slice(curr - token_len, curr); // at most 5
return substr.join(''); //join 用''連接每一个元素
}
function getMoIndex(arr) { //if no mother letter , return length of arr
var count = 0;
for (var j = 0; j < arr.length; j++) {
if (isMother(arr[j])) {
if ( arr[j] == 'a' || arr[j] == 'e' || arr[j] == 'o') {
return count;
}
else { //i, u
if (isMother(arr[j+1])) return count+1;
else return count;
}
}
else count++;
}
return count;
}
/*
function getTokenMoIndex(curr) {
var index = subStr(curr).indexOf(' ');
substr = substr.slice(index+1);
var len = substr.length;
return curr - len + getMoIndex(substr);
}
*/
function getTokenMoIndex(curr) {
var substr = subStr(curr);
var len = substr.length;
var index = substr.indexOf(' ');
substr = substr.slice(index+1);
return curr - len + index + 1 + getMoIndex(substr);
}
function isTone(key) {
for (var j = 0; j < tones.length; j++) {
if (key == tones[j]) {
return true;
}
}
return false;
}
function isMother(key) {
for (var j = 0; j < mothers.length; j++) {
if (key == mothers[j]) {
return true;
}
}
return false;
}
document.onkeypress = function(event) {
if (event.keyCode >= 32 && event.keyCode <= 127) {
key = String.fromCharCode(event.keyCode);
var num = getTokenMoIndex(cur);
if ( isTone(key) && num < cur) { //本字母有tone數字
cArr[num] = strtofunc[cArr[num]][rel[key]];
}
else {
if (isTone(key) && subStr(cur).indexOf('ng') >= 0) {
var len = subStr(cur).length;
var loc = cur - (len - subStr(cur).indexOf('ng'));
cArr[loc] = ntofunc[cArr[loc]][rel[key]];
}
else if (isTone(key) && (subStr(cur) == 'm' || subStr(cur).indexOf(' m') >=0)) {
var len = subStr(cur).length;
var loc = cur - (len - subStr(cur).indexOf(' m'));
cArr[loc+1] = mtofunc[cArr[loc+1]][rel[key]];
}
else {
cArr.splice(cur, 0, key);
front++; cur++;
}
}
}
else return;
str.value = getString(0, cur) + '|' + getString(cur, front);
}
document.onkeydown = function(event) {
if (event.keyCode == 8) {
if (cur >= 1) {
cArr.splice(cur-1, 1);
cur--; front--;
}
}
else if (event.keyCode == 37) { // left arrow
if (cur >= 1) cur--;
}
else if (event.keyCode == 39) { //right arrow
if (cur < front) cur++;
}
else if (event.keyCode == 13) {
cur = front;
//str.value = getString(0, front) + '|';
}
str.value = getString(0, cur) + '|' + getString(cur, front);
}
</script>
</head>
<body>
<span style="color: orange">瀏覽器執行台羅音一逝編輯器</span><br>
<textarea id="str" style="font-size: 24px; border: 2px solid #336600;color:#800000;"
disabled rows="1" cols="50">sin dâi lô tsi̍ tsuā bpian tsi̍p kgì|</textarea><br>
<span style="color: blue">說明：音調數字拍出了後揣前5字的token共台羅韻母注音。</span>
<script>
var str = document.getElementById("str");
</script>
</body>
</html>
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