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allow custom latex delimiters in config.json

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This commit is contained in:
Aleks Kissinger 2020-09-21 11:00:39 +01:00
parent 24a1834f9b
commit 4df8754aad
2 changed files with 20 additions and 16 deletions
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10
src/editor/deserialize.ts
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@ -21,6 +21,7 @@ import { walkDOMDepthFirst } from "./dom";
import { checkBlockNode } from "../HtmlUtils";
import { getPrimaryPermalinkEntity } from "../utils/permalinks/Permalinks";
import { PartCreator } from "./parts";
import SdkConfig from "../SdkConfig";
function parseAtRoomMentions(text: string, partCreator: PartCreator) {
const ATROOM = "@room";
@ -134,9 +135,14 @@ function parseElement(n: HTMLElement, partCreator: PartCreator, lastNode: HTMLEl
case "SPAN": {
// math nodes are translated back into delimited latex strings
if (n.hasAttribute("data-mx-maths")) {
const delim = (n.nodeName == "SPAN") ? "$$" : "$$$";
const delimLeft = (n.nodeName == "SPAN") ?
(SdkConfig.get()['latex_maths_delims'] || {})['inline_left'] || "$$" :
(SdkConfig.get()['latex_maths_delims'] || {})['display_left'] || "$$$";
const delimRight = (n.nodeName == "SPAN") ?
(SdkConfig.get()['latex_maths_delims'] || {})['inline_right'] || "$$" :
(SdkConfig.get()['latex_maths_delims'] || {})['display_right'] || "$$$";
const tex = n.getAttribute("data-mx-maths");
return partCreator.plain(delim + tex + delim);
return partCreator.plain(delimLeft + tex + delimRight);
} else if (!checkDescendInto(n)) {
return partCreator.plain(n.textContent);
}

20
src/editor/serialize.ts
View file

@ -43,21 +43,19 @@ export function htmlSerializeIfNeeded(model: EditorModel, {forceHTML = false} =
var md = mdSerialize(model);
if (SdkConfig.get()['latex_maths']) {
const mathDelimiters = [ // TODO: make customizable
{ pattern: "\\$\\$\\$(([^$]|\\\\\\$)*)\\$\\$\\$", display: true },
{ pattern: "\\$\\$(([^$]|\\\\\\$)*)\\$\\$", display: false }
];
const displayPattern = (SdkConfig.get()['latex_maths_delims'] || {})['display_pattern'] ||
"\\$\\$\\$(([^$]|\\\\\\$)*)\\$\\$\\$";
const inlinePattern = (SdkConfig.get()['latex_maths_delims'] || {})['inline_pattern'] ||
"\\$\\$(([^$]|\\\\\\$)*)\\$\\$";
mathDelimiters.forEach(function (d) {
var reg = RegExp(d.pattern, "gm");
md = md.replace(reg, function(match, p1) {
md = md.replace(RegExp(displayPattern, "gm"), function(m,p1) {
const p1e = AllHtmlEntities.encode(p1);
if (d.display == true) {
return `<div data-mx-maths="${p1e}"><code>${p1e}</code></div>`;
} else {
return `<span data-mx-maths="${p1e}"><code>${p1e}</code></span>`;
}
});
md = md.replace(RegExp(inlinePattern, "gm"), function(m,p1) {
const p1e = AllHtmlEntities.encode(p1);
return `<span data-mx-maths="${p1e}"><code>${p1e}</code></span>`;
});
}