/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
// \n = 10
// ; = 59
// { = 123
// } = 125
// <space> = 32
// \r = 13
// \t = 9
/**
* @param {string} str string
* @returns {string[] | null} array of string separated by potential tokens
*/
const splitIntoPotentialTokens = (str) => {
const len = str.length;
if (len === 0) return null;
const results = [];
let i = 0;
while (i < len) {
const start = i;
block: {
let cc = str.charCodeAt(i);
while (cc !== 10 && cc !== 59 && cc !== 123 && cc !== 125) {
if (++i >= len) break block;
cc = str.charCodeAt(i);
}
while (
cc === 59 ||
cc === 32 ||
cc === 123 ||
cc === 125 ||
cc === 13 ||
cc === 9
) {
if (++i >= len) break block;
cc = str.charCodeAt(i);
}
if (cc === 10) {
i++;
}
}
results.push(str.slice(start, i));
}
return results;
};
module.exports = splitIntoPotentialTokens;