/*
Copyright 2019 New Vector Ltd
Copyright 2019, 2020 The Matrix.org Foundation C.I.C.
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.
*/
import { AllHtmlEntities } from 'html-entities';
import cheerio from 'cheerio';
import escapeHtml from "escape-html";
import Markdown from '../Markdown';
import { makeGenericPermalink } from "../utils/permalinks/Permalinks";
import EditorModel from "./model";
import SettingsStore from '../settings/SettingsStore';
import SdkConfig from '../SdkConfig';
import { Type } from './parts';
export function mdSerialize(model: EditorModel): string {
return model.parts.reduce((html, part) => {
switch (part.type) {
case Type.Newline:
return html + "\n";
case Type.Plain:
case Type.Emoji:
case Type.Command:
case Type.PillCandidate:
case Type.AtRoomPill:
return html + part.text;
case Type.RoomPill:
// Here we use the resourceId for compatibility with non-rich text clients
// See https://github.com/vector-im/element-web/issues/16660
return html +
`[${part.resourceId.replace(/[[\\\]]/g, c => "\\" + c)}](${makeGenericPermalink(part.resourceId)})`;
case Type.UserPill:
return html +
`[${part.text.replace(/[[\\\]]/g, c => "\\" + c)}](${makeGenericPermalink(part.resourceId)})`;
}
}, "");
}
interface ISerializeOpts {
forceHTML?: boolean;
useMarkdown?: boolean;
}
export function htmlSerializeIfNeeded(
model: EditorModel,
{ forceHTML = false, useMarkdown = true }: ISerializeOpts = {},
): string {
if (!useMarkdown) {
return escapeHtml(textSerialize(model)).replace(/\n/g, '
');
}
let md = mdSerialize(model);
// copy of raw input to remove unwanted math later
const orig = md;
if (SettingsStore.getValue("feature_latex_maths")) {
const patternNames = ['tex', 'latex'];
const patternTypes = ['display', 'inline'];
const patternDefaults = {
"tex": {
// detect math with tex delimiters, inline: $...$, display $$...$$
// preferably use negative lookbehinds, not supported in all major browsers:
// const displayPattern = "^(?\n\n\n\n`;
case "inline":
return `${p1}`;
}
});
});
});
// make sure div tags always start on a new line, otherwise it will confuse
// the markdown parser
md = md.replace(/(.)