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Fixing ToUnicode parsing; workaround for invalid UTF16 encoding

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notmasteryet 2012-02-09 18:40:44 -08:00
parent 7859ef0f04
commit d50773fb96
2 changed files with 24 additions and 7 deletions
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14
src/evaluator.js
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@ -620,8 +620,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
} else {
// parsing hex UTF-16BE numbers
var str = [];
for (var i = 0, ii = token.length; i < ii; i += 4)
str.push(parseInt(token.substr(i, 4), 16));
for (var k = 0, kk = token.length; k < kk; k += 4) {
var b = parseInt(token.substr(k, 4), 16);
if (b <= 0x10) {
k += 4;
b = (b << 16) | parseInt(token.substr(k, 4), 16);
b -= 0x10000;
str.push(0xD800 | (b >> 10));
str.push(0xDC00 | (b & 0x3FF));
break;
}
str.push(b);
}
tokens.push(String.fromCharCode.apply(String, str));
token = '';
}