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use TextEncoder for zip strings (fixes #2616)

This commit is contained in:
Vitor Santos 2022-03-16 19:00:45 +00:00
parent 61b17a8bc8
commit 61487bcb76
1 changed files with 18 additions and 1 deletions
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19
bits/20_jsutils.js
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@ -109,7 +109,24 @@ function cc2str(arr/*:Array<number>*/, debomit)/*:string*/ {
}
return arr.toString("binary");
}
/* TODO: investigate performance degradation of TextEncoder in Edge 13 */
if(typeof TextDecoder !== "undefined") try {
if(debomit) {
if(arr[0] == 0xFF && arr[1] == 0xFE) return new TextEncoder("utf-16le").decode(arr.slice(2));
if(arr[0] == 0xFE && arr[1] == 0xFF) return new TextEncoder("utf-16be").decode(arr.slice(2));
}
var rev = {
"\u20ac": "\x80", "\u201a": "\x82", "\u0192": "\x83", "\u201e": "\x84",
"\u2026": "\x85", "\u2020": "\x86", "\u2021": "\x87", "\u02c6": "\x88",
"\u2030": "\x89", "\u0160": "\x8a", "\u2039": "\x8b", "\u0152": "\x8c",
"\u017d": "\x8e", "\u2018": "\x91", "\u2019": "\x92", "\u201c": "\x93",
"\u201d": "\x94", "\u2022": "\x95", "\u2013": "\x96", "\u2014": "\x97",
"\u02dc": "\x98", "\u2122": "\x99", "\u0161": "\x9a", "\u203a": "\x9b",
"\u0153": "\x9c", "\u017e": "\x9e", "\u0178": "\x9f"
};
return new TextDecoder("latin1").decode(arr).replace(/[\x80\x9F]/g, function(c) { return rev[c] || c; });
} catch(e) {}
var o = [];
for(var i = 0; i != arr.length; ++i) o.push(String.fromCharCode(arr[i]));
return o.join("");