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Delete assets/encode.js

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disu1950 2024-07-27 18:33:51 +00:00
parent edbde10f99
commit 2af750dbcc
1 changed files with 0 additions and 52 deletions
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assets/encode.js
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@ -1,52 +0,0 @@
/** Functions from https://plantuml.com/code-javascript-synchronous
*/
function encode64(data) {
r = "";
for (i=0; i<data.length; i+=3) {
if (i+2==data.length) {
r +=append3bytes(data.charCodeAt(i), data.charCodeAt(i+1), 0);
} else if (i+1==data.length) {
r += append3bytes(data.charCodeAt(i), 0, 0);
} else {
r += append3bytes(data.charCodeAt(i), data.charCodeAt(i+1),
data.charCodeAt(i+2));
}
}
return r;
}
function append3bytes(b1, b2, b3) {
c1 = b1 >> 2;
c2 = ((b1 & 0x3) << 4) | (b2 >> 4);
c3 = ((b2 & 0xF) << 2) | (b3 >> 6);
c4 = b3 & 0x3F;
r = "";
r += encode6bit(c1 & 0x3F);
r += encode6bit(c2 & 0x3F);
r += encode6bit(c3 & 0x3F);
r += encode6bit(c4 & 0x3F);
return r;
}
function encode6bit(b) {
if (b < 10) {
return String.fromCharCode(48 + b);
}
b -= 10;
if (b < 26) {
return String.fromCharCode(65 + b);
}
b -= 26;
if (b < 26) {
return String.fromCharCode(97 + b);
}
b -= 26;
if (b == 0) {
return '-';
}
if (b == 1) {
return '_';
}
return '?';
}