82 lines
2.7 KiB
TypeScript
82 lines
2.7 KiB
TypeScript
|
/*************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (c) 2021-2022 The MathJax Consortium
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @fileoverview Configuration file for the centernot package.
|
||
|
|
*
|
||
|
|
* @author dpvc@mathjax.org (Davide P. Cervone)
|
||
|
|
*/
|
||
|
|
|
||
|
|
import {Configuration} from '../Configuration.js';
|
||
|
|
import ParseOptions from '../ParseOptions.js';
|
||
|
|
import TexParser from '../TexParser.js';
|
||
|
|
import NodeUtil from '../NodeUtil.js';
|
||
|
|
import {CommandMap} from '../SymbolMap.js';
|
||
|
|
import {MmlNode} from '../../../core/MmlTree/MmlNode.js';
|
||
|
|
import BaseMethods from '../base/BaseMethods.js';
|
||
|
|
|
||
|
|
new CommandMap('centernot', {
|
||
|
|
centerOver: 'CenterOver',
|
||
|
|
centernot: ['Macro', '\\centerOver{#1}{{\u29F8}}', 1]
|
||
|
|
}, {
|
||
|
|
/**
|
||
|
|
* Implements \centerOver{base}{symbol}
|
||
|
|
*
|
||
|
|
* @param {TexParser} parser The active tex parser.
|
||
|
|
* @param {string} name The name of the macro being processed.
|
||
|
|
*/
|
||
|
|
CenterOver(parser: TexParser, name: string) {
|
||
|
|
const arg = '{' + parser.GetArgument(name) + '}';
|
||
|
|
const over = parser.ParseArg(name);
|
||
|
|
const base = new TexParser(arg, parser.stack.env, parser.configuration).mml();
|
||
|
|
let mml = parser.create('node', 'TeXAtom', [
|
||
|
|
new TexParser(arg, parser.stack.env, parser.configuration).mml(),
|
||
|
|
parser.create('node', 'mpadded', [
|
||
|
|
parser.create('node', 'mpadded', [over], {width: 0, lspace: '-.5width'}),
|
||
|
|
parser.create('node', 'mphantom', [base])
|
||
|
|
], {width: 0, lspace: '-.5width'})
|
||
|
|
]);
|
||
|
|
parser.configuration.addNode('centerOver', base);
|
||
|
|
parser.Push(mml);
|
||
|
|
},
|
||
|
|
Macro: BaseMethods.Macro
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filter to copy texClass to the surrounding TeXAtom so that the negated
|
||
|
|
* item has the same class of the base.
|
||
|
|
*
|
||
|
|
* @param {ParseOptions} data The active tex parser.
|
||
|
|
*/
|
||
|
|
export function filterCenterOver({data}: {data: ParseOptions}) {
|
||
|
|
for (const base of data.getList('centerOver')) {
|
||
|
|
const texClass = NodeUtil.getTexClass(base.childNodes[0].childNodes[0] as MmlNode);
|
||
|
|
if (texClass !== null) {
|
||
|
|
NodeUtil.setProperties(base.parent.parent.parent.parent.parent.parent, {texClass});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
export const CenternotConfiguration = Configuration.create(
|
||
|
|
'centernot', {
|
||
|
|
handler: {macro: ['centernot']},
|
||
|
|
postprocessors: [filterCenterOver]
|
||
|
|
}
|
||
|
|
);
|