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'use strict';
module.exports = function utf8_decode(strData) {
// eslint-disable-line camelcase
// discuss at: http://locutus.io/php/utf8_decode/
// original by: Webtoolkit.info (http://www.webtoolkit.info/)
// input by: Aman Gupta
// input by: Brett Zamir (http://brett-zamir.me)
// improved by: Kevin van Zonneveld (http://kvz.io)
// improved by: Norman "zEh" Fuchs
// bugfixed by: hitwork
// bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
// bugfixed by: Kevin van Zonneveld (http://kvz.io)
// bugfixed by: kirilloid
// bugfixed by: w35l3y (http://www.wesley.eti.br)
// example 1: utf8_decode('Kevin van Zonneveld')
// returns 1: 'Kevin van Zonneveld'
var tmpArr = [];
var i = 0;
var c1 = 0;
var seqlen = 0;
strData += '';
while (i < strData.length) {
c1 = strData.charCodeAt(i) & 0xFF;
seqlen = 0;
// http://en.wikipedia.org/wiki/UTF-8#Codepage_layout
if (c1 <= 0xBF) {
c1 = c1 & 0x7F;
seqlen = 1;
} else if (c1 <= 0xDF) {
c1 = c1 & 0x1F;
seqlen = 2;
} else if (c1 <= 0xEF) {
c1 = c1 & 0x0F;
seqlen = 3;
} else {
c1 = c1 & 0x07;
seqlen = 4;
}
for (var ai = 1; ai < seqlen; ++ai) {
c1 = c1 << 0x06 | strData.charCodeAt(ai + i) & 0x3F;
}
if (seqlen === 4) {
c1 -= 0x10000;
tmpArr.push(String.fromCharCode(0xD800 | c1 >> 10 & 0x3FF));
tmpArr.push(String.fromCharCode(0xDC00 | c1 & 0x3FF));
} else {
tmpArr.push(String.fromCharCode(c1));
}
i += seqlen;
}
return tmpArr.join('');
};
//# sourceMappingURL=utf8_decode.js.map
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