114 lines
3.9 KiB
TypeScript
114 lines
3.9 KiB
TypeScript
/*************************************************************
|
|
*
|
|
* Copyright (c) 2018-2022 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 boldsymbol package.
|
|
*
|
|
* @author v.sorge@mathjax.org (Volker Sorge)
|
|
*/
|
|
|
|
import {MmlNode} from '../../../core/MmlTree/MmlNode.js';
|
|
import {Configuration} from '../Configuration.js';
|
|
import NodeUtil from '../NodeUtil.js';
|
|
import TexParser from '../TexParser.js';
|
|
import {TexConstant} from '../TexConstants.js';
|
|
import {CommandMap} from '../SymbolMap.js';
|
|
import {ParseMethod} from '../Types.js';
|
|
import {NodeFactory} from '../NodeFactory.js';
|
|
import ParseOptions from '../ParseOptions.js';
|
|
|
|
let BOLDVARIANT: {[key: string]: string} = {};
|
|
BOLDVARIANT[TexConstant.Variant.NORMAL] = TexConstant.Variant.BOLD;
|
|
BOLDVARIANT[TexConstant.Variant.ITALIC] = TexConstant.Variant.BOLDITALIC;
|
|
BOLDVARIANT[TexConstant.Variant.FRAKTUR] = TexConstant.Variant.BOLDFRAKTUR;
|
|
BOLDVARIANT[TexConstant.Variant.SCRIPT] = TexConstant.Variant.BOLDSCRIPT;
|
|
BOLDVARIANT[TexConstant.Variant.SANSSERIF] = TexConstant.Variant.BOLDSANSSERIF;
|
|
BOLDVARIANT['-tex-calligraphic'] = '-tex-bold-calligraphic';
|
|
BOLDVARIANT['-tex-oldstyle'] = '-tex-bold-oldstyle';
|
|
BOLDVARIANT['-tex-mathit'] = TexConstant.Variant.BOLDITALIC;
|
|
|
|
|
|
// Namespace
|
|
export let BoldsymbolMethods: Record<string, ParseMethod> = {};
|
|
|
|
|
|
/**
|
|
* Parse function for boldsymbol macro.
|
|
* @param {TexParser} parser The current tex parser.
|
|
* @param {string} name The name of the macro.
|
|
*/
|
|
BoldsymbolMethods.Boldsymbol = function(parser: TexParser, name: string) {
|
|
let boldsymbol = parser.stack.env['boldsymbol'];
|
|
parser.stack.env['boldsymbol'] = true;
|
|
let mml = parser.ParseArg(name);
|
|
parser.stack.env['boldsymbol'] = boldsymbol;
|
|
parser.Push(mml);
|
|
};
|
|
|
|
|
|
new CommandMap('boldsymbol', {boldsymbol: 'Boldsymbol'}, BoldsymbolMethods);
|
|
|
|
|
|
/**
|
|
* Creates token nodes in bold font if possible.
|
|
* @param {NodeFactory} factory The current node factory.
|
|
* @param {string} kind The type of token node to create.
|
|
* @param {any} def Properties for the node.
|
|
* @param {string} text The text content.
|
|
* @return {MmlNode} The generated token node.
|
|
*/
|
|
export function createBoldToken(factory: NodeFactory, kind: string,
|
|
def: any, text: string): MmlNode {
|
|
let token = NodeFactory.createToken(factory, kind, def, text);
|
|
if (kind !== 'mtext' &&
|
|
factory.configuration.parser.stack.env['boldsymbol']) {
|
|
NodeUtil.setProperty(token, 'fixBold', true);
|
|
factory.configuration.addNode('fixBold', token);
|
|
}
|
|
return token;
|
|
}
|
|
|
|
|
|
/**
|
|
* Postprocessor to rewrite token nodes to bold font, if possible.
|
|
* @param {ParseOptions} data The parse options.
|
|
*/
|
|
export function rewriteBoldTokens(arg: {data: ParseOptions}) {
|
|
for (let node of arg.data.getList('fixBold')) {
|
|
if (NodeUtil.getProperty(node, 'fixBold')) {
|
|
let variant = NodeUtil.getAttribute(node, 'mathvariant') as string;
|
|
if (variant == null) {
|
|
NodeUtil.setAttribute(node, 'mathvariant', TexConstant.Variant.BOLD);
|
|
} else {
|
|
NodeUtil.setAttribute(node,
|
|
'mathvariant', BOLDVARIANT[variant] || variant);
|
|
}
|
|
NodeUtil.removeProperties(node, 'fixBold');
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
export const BoldsymbolConfiguration = Configuration.create(
|
|
'boldsymbol', {
|
|
handler: {macro: ['boldsymbol']},
|
|
nodes: {'token': createBoldToken},
|
|
postprocessors: [rewriteBoldTokens]
|
|
}
|
|
);
|