You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
2.2 KiB
62 lines
2.2 KiB
<!DOCTYPE html>
|
|
<meta charset=big5>
|
|
<!-- Correct results are provided by Firefox -->
|
|
<pre style="font-family: 'Consolas', monospace;"></pre>
|
|
<script>
|
|
"use strict";
|
|
/*
|
|
Char 0 U+007A (1 byte) Offset 0
|
|
Char 1 U+00A2 (2 bytes) Offset 1
|
|
Char 2 U+6C34 (3 bytes) Offset 3
|
|
Char 3 U+1D11E (4 bytes) Offset 6
|
|
Char 4 U+F8FF (3 bytes) Offset 10
|
|
Char 5 U+10FFFD (4 bytes) Offset 13
|
|
Char 6 U+FFFE (3 bytes) Offset 17
|
|
End of string at char 7, offset 20
|
|
*/
|
|
[0x7A, 0xA2, 0x6C34, 0x1D11E, 0xF8FF, 0x10FFFD, 0xFFFE].forEach(function(code) {
|
|
var l = document.createElement("a");
|
|
l.href = "http://example.com/?" + String.fromCodePoint(code);
|
|
var url = l.search.substr(1);
|
|
var bytes = [];
|
|
for (let a = 0; a < url.length; a++) {
|
|
if (url.charAt(a) == "%") {
|
|
bytes.push(url.charAt(a + 1) + url.charAt(a + 2));
|
|
a = a + 2;
|
|
} else {
|
|
bytes.push(url.charCodeAt(a).toString(16).padStart(2, "0"));
|
|
}
|
|
}
|
|
var line = bytes.join(" ").toUpperCase() + "\n";
|
|
document.getElementsByTagName("pre")[0].appendChild(document.createTextNode(line));
|
|
})
|
|
|
|
document.getElementsByTagName("pre")[0].appendChild(document.createTextNode("\n\n\n"));
|
|
|
|
var dec = new TextDecoder("big5");
|
|
for (let lead = 0x87; lead < 0xFF; lead++) {
|
|
for (let trail = 0x40; trail < 0xFF; trail++) {
|
|
if (trail == 0x7F) trail = 0xA1;
|
|
let bytes = [];
|
|
bytes.push(lead.toString(16).padStart(2, "0").toUpperCase());
|
|
bytes.push(trail.toString(16).padStart(2, "0").toUpperCase());
|
|
let codes = [];
|
|
let text = dec.decode(new Uint8Array([lead, trail]));
|
|
for (let a = 0; a < text.length; a++) {
|
|
let point = text.codePointAt(a);
|
|
if (point >= 55296 && point <= 57343) {
|
|
// non-BMP characters have trailing low surrogates in JavaScript strings
|
|
continue;
|
|
}
|
|
codes.push(point);
|
|
}
|
|
if (codes.length == 1) {
|
|
//continue;
|
|
}
|
|
bytes = bytes.join(" ");
|
|
codes = codes.join(", ");
|
|
var line = "[" + '"' + bytes + '", [' + codes + "]],\n";
|
|
document.getElementsByTagName("pre")[0].appendChild(document.createTextNode(line));
|
|
}
|
|
}
|
|
</script>
|
|
|