?? utf-8.js
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function EncodeUtf8(s1) {
var s = escape(s1);
var sa = s.split("%");
var retV = "";
if (sa[0] != "") {
retV = sa[0];
}
for (var i = 1; i < sa.length; i++) {
if (sa[i].substring(0, 1) == "u") {
retV += Hex2Utf8(Str2Hex(sa[i].substring(1, 5)));
} else
retV += "%" + sa[i];
}
return retV;
}
function Str2Hex(s) {
var c = "";
var n;
var ss = "0123456789ABCDEF";
var digS = "";
for (var i = 0; i < s.length; i++) {
c = s.charAt(i);
n = ss.indexOf(c);
digS += Dec2Dig(eval(n));
}
return digS;
}
function Dec2Dig(n1) {
var s = "";
var n2 = 0;
for (var i = 0; i < 4; i++) {
n2 = Math.pow(2, 3 - i);
if (n1 >= n2) {
s += '1';
n1 = n1 - n2;
} else
s += '0';
}
return s;
}
function Dig2Dec(s) {
var retV = 0;
if (s.length == 4) {
for (var i = 0; i < 4; i++) {
retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
}
return retV;
}
return -1;
}
function Hex2Utf8(s) {
var retS = "";
var tempS = "";
var ss = "";
if (s.length == 16) {
tempS = "1110" + s.substring(0, 4);
tempS += "10" + s.substring(4, 10);
tempS += "10" + s.substring(10, 16);
var sss = "0123456789ABCDEF";
for (var i = 0; i < 3; i++) {
retS += "%";
ss = tempS.substring(i * 8, (eval(i) + 1) * 8);
retS += sss.charAt(Dig2Dec(ss.substring(0, 4)));
retS += sss.charAt(Dig2Dec(ss.substring(4, 8)));
}
return retS;
}
return "";
}
function revertUTF8(szInput) {
var x, wch, wch1, wch2, uch = "", szRet = "";
for (x = 0; x < szInput.length; x++) {
if (szInput.charAt(x) == "%") {
wch = parseInt(szInput.charAt(++x) + szInput.charAt(++x), 16);
if (!wch) {
break;
}
if (!(wch & 0x80)) {
wch = wch;
} else if (!(wch & 0x20)) {
x++;
wch1 = parseInt(szInput.charAt(++x) + szInput.charAt(++x), 16);
wch = (wch & 0x1F) << 6;
wch1 = wch1 & 0x3F;
wch = wch + wch1;
} else {
x++;
wch1 = parseInt(szInput.charAt(++x) + szInput.charAt(++x), 16);
x++;
wch2 = parseInt(szInput.charAt(++x) + szInput.charAt(++x), 16);
wch = (wch & 0x0F) << 12;
wch1 = (wch1 & 0x3F) << 6;
wch2 = (wch2 & 0x3F);
wch = wch + wch1 + wch2;
}
szRet += String.fromCharCode(wch);
} else {
szRet += szInput.charAt(x);
}
}
return (szRet);
}
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