site/node_modules/mathjax-full/js/input/tex/empheq/EmpheqUtil.js

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2024-10-14 06:09:33 +00:00
"use strict";
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;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EmpheqUtil = void 0;
var ParseUtil_js_1 = __importDefault(require("../ParseUtil.js"));
var TexParser_js_1 = __importDefault(require("../TexParser.js"));
exports.EmpheqUtil = {
environment: function (parser, env, func, args) {
var name = args[0];
var item = parser.itemFactory.create(name + '-begin').setProperties({ name: env, end: name });
parser.Push(func.apply(void 0, __spreadArray([parser, item], __read(args.slice(1)), false)));
},
splitOptions: function (text, allowed) {
if (allowed === void 0) { allowed = null; }
return ParseUtil_js_1.default.keyvalOptions(text, allowed, true);
},
columnCount: function (table) {
var e_1, _a;
var m = 0;
try {
for (var _b = __values(table.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
var row = _c.value;
var n = row.childNodes.length - (row.isKind('mlabeledtr') ? 1 : 0);
if (n > m)
m = n;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
return m;
},
cellBlock: function (tex, table, parser, env) {
var e_2, _a;
var mpadded = parser.create('node', 'mpadded', [], { height: 0, depth: 0, voffset: '-1height' });
var result = new TexParser_js_1.default(tex, parser.stack.env, parser.configuration);
var mml = result.mml();
if (env && result.configuration.tags.label) {
result.configuration.tags.currentTag.env = env;
result.configuration.tags.getTag(true);
}
try {
for (var _b = __values((mml.isInferred ? mml.childNodes : [mml])), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
mpadded.appendChild(child);
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
}
mpadded.appendChild(parser.create('node', 'mphantom', [
parser.create('node', 'mpadded', [table], { width: 0 })
]));
return mpadded;
},
topRowTable: function (original, parser) {
var table = ParseUtil_js_1.default.copyNode(original, parser);
table.setChildren(table.childNodes.slice(0, 1));
table.attributes.set('align', 'baseline 1');
return original.factory.create('mphantom', {}, [parser.create('node', 'mpadded', [table], { width: 0 })]);
},
rowspanCell: function (mtd, tex, table, parser, env) {
mtd.appendChild(parser.create('node', 'mpadded', [
this.cellBlock(tex, ParseUtil_js_1.default.copyNode(table, parser), parser, env),
this.topRowTable(table, parser)
], { height: 0, depth: 0, voffset: 'height' }));
},
left: function (table, original, left, parser, env) {
var e_3, _a;
if (env === void 0) { env = ''; }
table.attributes.set('columnalign', 'right ' + (table.attributes.get('columnalign') || ''));
table.attributes.set('columnspacing', '0em ' + (table.attributes.get('columnspacing') || ''));
var mtd;
try {
for (var _b = __values(table.childNodes.slice(0).reverse()), _c = _b.next(); !_c.done; _c = _b.next()) {
var row = _c.value;
mtd = parser.create('node', 'mtd');
row.childNodes.unshift(mtd);
mtd.parent = row;
if (row.isKind('mlabeledtr')) {
row.childNodes[0] = row.childNodes[1];
row.childNodes[1] = mtd;
}
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_3) throw e_3.error; }
}
this.rowspanCell(mtd, left, original, parser, env);
},
right: function (table, original, right, parser, env) {
if (env === void 0) { env = ''; }
if (table.childNodes.length === 0) {
table.appendChild(parser.create('node', 'mtr'));
}
var m = exports.EmpheqUtil.columnCount(table);
var row = table.childNodes[0];
while (row.childNodes.length < m)
row.appendChild(parser.create('node', 'mtd'));
var mtd = row.appendChild(parser.create('node', 'mtd'));
exports.EmpheqUtil.rowspanCell(mtd, right, original, parser, env);
table.attributes.set('columnalign', (table.attributes.get('columnalign') || '').split(/ /).slice(0, m).join(' ') + ' left');
table.attributes.set('columnspacing', (table.attributes.get('columnspacing') || '').split(/ /).slice(0, m - 1).join(' ') + ' 0em');
},
adjustTable: function (empheq, parser) {
var left = empheq.getProperty('left');
var right = empheq.getProperty('right');
if (left || right) {
var table = empheq.Last;
var original = ParseUtil_js_1.default.copyNode(table, parser);
if (left)
this.left(table, original, left, parser);
if (right)
this.right(table, original, right, parser);
}
},
allowEnv: {
equation: true,
align: true,
gather: true,
flalign: true,
alignat: true,
multline: true
},
checkEnv: function (env) {
return this.allowEnv.hasOwnProperty(env.replace(/\*$/, '')) || false;
}
};
//# sourceMappingURL=EmpheqUtil.js.map