tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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euckr-encoder.js (2371B)

      1 var euckrCPs = []; // index is unicode cp, value is pointer
      2 for (p = 0; p < euckr.length; p++) {
      3 if (euckr[p] != null && euckrCPs[euckr[p]] == null) {
      4 	euckrCPs[euckr[p]] = p;
      5 }
      6 }
      7 
      8 function chars2cps(chars) {
      9 // this is needed because of javascript's handling of supplementary characters
     10 // char: a string of unicode characters
     11 // returns an array of decimal code point values
     12 var haut = 0;
     13 var out = [];
     14 for (var i = 0; i < chars.length; i++) {
     15 	var b = chars.charCodeAt(i);
     16 	if (b < 0 || b > 0xffff) {
     17 		alert("Error in chars2cps: byte out of range " + b.toString(16) + "!");
     18 	}
     19 	if (haut != 0) {
     20 		if (0xdc00 <= b && b <= 0xdfff) {
     21 			out.push(0x10000 + ((haut - 0xd800) << 10) + (b - 0xdc00));
     22 			haut = 0;
     23 			continue;
     24 		} else {
     25 			alert(
     26 				"Error in chars2cps: surrogate out of range " +
     27 					haut.toString(16) +
     28 					"!"
     29 			);
     30 			haut = 0;
     31 		}
     32 	}
     33 	if (0xd800 <= b && b <= 0xdbff) {
     34 		haut = b;
     35 	} else {
     36 		out.push(b);
     37 	}
     38 }
     39 return out;
     40 }
     41 
     42 function euckrEncoder(stream) {
     43 cps = chars2cps(stream);
     44 var out = "";
     45 var cp;
     46 var finished = false;
     47 var endofstream = 2000000;
     48 
     49 while (!finished) {
     50 	if (cps.length == 0) cp = endofstream;
     51 	else cp = cps.shift();
     52 
     53 	if (cp == endofstream) {
     54 		finished = true;
     55 		continue;
     56 	}
     57 	if (cp >= 0x00 && cp <= 0x7f) {
     58 		// ASCII
     59 		out += " " + cp.toString(16).toUpperCase();
     60 		continue;
     61 	}
     62 	var ptr = euckrCPs[cp];
     63 	if (ptr == null) {
     64 		return null;
     65 		//			out += ' &#'+cp+';'
     66 		//			continue
     67 	}
     68 	var lead = Math.floor(ptr / 190) + 0x81;
     69 	var trail = ptr % 190 + 0x41;
     70 	out +=
     71 		" " +
     72 		lead.toString(16).toUpperCase() +
     73 		" " +
     74 		trail.toString(16).toUpperCase();
     75 }
     76 return out.trim();
     77 }
     78 
     79 function convertToHex(str) {
     80 // converts a string of ASCII characters to hex byte codes
     81 var out = "";
     82 var result;
     83 for (var c = 0; c < str.length; c++) {
     84 	result = str.charCodeAt(c).toString(16).toUpperCase() + " ";
     85 	out += result;
     86 }
     87 return out;
     88 }
     89 
     90 function normalizeStr(str) {
     91 var out = "";
     92 for (var c = 0; c < str.length; c++) {
     93 	if (str.charAt(c) == "%") {
     94 		out += String.fromCodePoint(
     95 			parseInt(str.charAt(c + 1) + str.charAt(c + 2), 16)
     96 		);
     97 		c += 2;
     98 	} else out += str.charAt(c);
     99 }
    100 var result = "";
    101 for (var o = 0; o < out.length; o++) {
    102 	result += "%" + out.charCodeAt(o).toString(16).toUpperCase();
    103 }
    104 return result.replace(/%1B%28%42$/, "");
    105 }