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Runes.js
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Runes.js
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const Runes = {
/**
* @constant
* @default
*/
OUTPUT_FORMAT: ["Gematria", "UTF-8", "UTF-16"],
OUTPUT_DELIMITER: ", ",
LINEBREAK_DELIMITER: "",
RUNES_ONLY: true,
runRunes: function(input, args) {
//
/**
* UTF-8 Function
* @param {string} String to UTF-8
* @returns {array} UTF-8'd string
*/
function toUTF8Array(str) {
let utf8 = [];
for (let i = 0; i < str.length; i++) {
let charcode = str.charCodeAt(i);
if (charcode < 0x80) utf8.push(charcode);
else if (charcode < 0x800) {
utf8.push(0xc0 | (charcode >> 6),
0x80 | (charcode & 0x3f));
} else if (charcode < 0xd800 || charcode >= 0xe000) {
utf8.push(0xe0 | (charcode >> 12),
0x80 | ((charcode >> 6) & 0x3f),
0x80 | (charcode & 0x3f));
} else {
i++;
// UTF-16 encodes 0x10000-0x10FFFF by
// subtracting 0x10000 and splitting the
// 20 bits of 0x0-0xFFFFF into two halves
charcode = 0x10000 + (((charcode & 0x3ff) << 10) | (str.charCodeAt(i) & 0x3ff));
utf8.push(0xf0 | (charcode >> 18),
0x80 | ((charcode >> 12) & 0x3f),
0x80 | ((charcode >> 6) & 0x3f),
0x80 | (charcode & 0x3f));
}
}
return utf8;
}
// Gematria Mapping
let gematria = new Array;
gematria["ᚩ"] = 0;
gematria["ᚢ"] = 1;
gematria["ᚦ"] = 2;
gematria["ᚩ"] = 3;
gematria["ᚱ"] = 4;
gematria["ᚳ"] = 5;
gematria["ᚷ"] = 6;
gematria["ᚹ"] = 7;
gematria["ᚻ"] = 8;
gematria["ᚾ"] = 9;
gematria["ᛁ"] = 10;
gematria["ᛄ"] = 11;
gematria["ᛇ"] = 12;
gematria["ᛈ"] = 13;
gematria["ᛠ"] = 14;
gematria["ᛋ"] = 15;
gematria["ᛏ"] = 16;
gematria["ᛒ"] = 17;
gematria["ᛖ"] = 18;
gematria["ᛚ"] = 19;
gematria["ᛝ"] = 20;
gematria["ᛟ"] = 21;
gematria["ᛞ"] = 22;
gematria["ᚨ"] = 23;
gematria["ᚣ"] = 24;
gematria["ᛡ"] = 25;
gematria["ᛠ"] = 26;
let output = args[0]; // Output Format Option
let delimiter = args[1]; // Output Delimiter Option
let linebreak = args[2];
let runesonly = args[3];
let result = "";
if (output === "Gematria") {
for (let i = 0, len = input.length; i < len; i++) {
if (gematria[input[i]] !== undefined) {
result += gematria[input[i]] + delimiter;
} else if (input[i] === linebreak) {
result += "\n";
}
}
} else if (output === "UTF-8") {
let buffer;
for (let i = 0, len = input.length; i < len; i++) {
if (gematria[input[i]] !== undefined) {
buffer += input[i];
} else if (input[i] === linebreak) {
result += "\n";
} else if (!runesonly) {
buffer += input[i];
}
}
result = toUTF8Array(buffer).join(delimiter);
} else if (output === "UTF-16") {
for (let i = 0, len = input.length; i < len; i++) {
if (gematria[input[i]] !== undefined) {
result += input.charCodeAt(i) + delimiter;
} else if (input[i] === linebreak) {
result += "\n";
} else if (!runesonly) {
result += input.charCodeAt(i) + delimiter;
}
}
}
return result;
},
};