site/node_modules/mathjax-full/js/input/asciimath/FindAsciiMath.js

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2024-10-14 06:09:33 +00:00
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FindAsciiMath = void 0;
var FindMath_js_1 = require("../../core/FindMath.js");
var string_js_1 = require("../../util/string.js");
var MathItem_js_1 = require("../../core/MathItem.js");
var FindAsciiMath = (function (_super) {
__extends(FindAsciiMath, _super);
function FindAsciiMath(options) {
var _this = _super.call(this, options) || this;
_this.getPatterns();
return _this;
}
FindAsciiMath.prototype.getPatterns = function () {
var _this = this;
var options = this.options;
var starts = [];
this.end = {};
options['delimiters'].forEach(function (delims) { return _this.addPattern(starts, delims, false); });
this.start = new RegExp(starts.join('|'), 'g');
this.hasPatterns = (starts.length > 0);
};
FindAsciiMath.prototype.addPattern = function (starts, delims, display) {
var _a = __read(delims, 2), open = _a[0], close = _a[1];
starts.push((0, string_js_1.quotePattern)(open));
this.end[open] = [close, display, new RegExp((0, string_js_1.quotePattern)(close), 'g')];
};
FindAsciiMath.prototype.findEnd = function (text, n, start, end) {
var _a = __read(end, 3), display = _a[1], pattern = _a[2];
var i = pattern.lastIndex = start.index + start[0].length;
var match = pattern.exec(text);
return (!match ? null : (0, MathItem_js_1.protoItem)(start[0], text.substr(i, match.index - i), match[0], n, start.index, match.index + match[0].length, display));
};
FindAsciiMath.prototype.findMathInString = function (math, n, text) {
var start, match;
this.start.lastIndex = 0;
while ((start = this.start.exec(text))) {
match = this.findEnd(text, n, start, this.end[start[0]]);
if (match) {
math.push(match);
this.start.lastIndex = match.end.n;
}
}
};
FindAsciiMath.prototype.findMath = function (strings) {
var math = [];
if (this.hasPatterns) {
for (var i = 0, m = strings.length; i < m; i++) {
this.findMathInString(math, i, strings[i]);
}
}
return math;
};
FindAsciiMath.OPTIONS = {
delimiters: [['`', '`']],
};
return FindAsciiMath;
}(FindMath_js_1.AbstractFindMath));
exports.FindAsciiMath = FindAsciiMath;
//# sourceMappingURL=FindAsciiMath.js.map