257 lines
12 KiB
TypeScript
257 lines
12 KiB
TypeScript
|
import * as P from 'parsimmon';
|
|||
|
|
import parseAcct from '../misc/acct/parse';
|
|||
|
|
import { toUnicode } from 'punycode';
|
|||
|
|
|
|||
|
|
const emojiRegex = /((?:\ud83d[\udc68\udc69])(?:\ud83c[\udffb-\udfff])?\u200d(?:\u2695\ufe0f|\u2696\ufe0f|\u2708\ufe0f|\ud83c[\udf3e\udf73\udf93\udfa4\udfa8\udfeb\udfed]|\ud83d[\udcbb\udcbc\udd27\udd2c\ude80\ude92]|\ud83e[\uddb0-\uddb3])|(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75]|\u26f9)((?:\ud83c[\udffb-\udfff]|\ufe0f)\u200d[\u2640\u2642]\ufe0f)|(?:\ud83c[\udfc3\udfc4\udfca]|\ud83d[\udc6e\udc71\udc73\udc77\udc81\udc82\udc86\udc87\ude45-\ude47\ude4b\ude4d\ude4e\udea3\udeb4-\udeb6]|\ud83e[\udd26\udd35\udd37-\udd39\udd3d\udd3e\uddb8\uddb9\uddd6-\udddd])(?:\ud83c[\udffb-\udfff])?\u200d[\u2640\u2642]\ufe0f|(?:\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83c\udff3\ufe0f\u200d\ud83c\udf08|\ud83c\udff4\u200d\u2620\ufe0f|\ud83d\udc41\u200d\ud83d\udde8|\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc6f\u200d\u2640\ufe0f|\ud83d\udc6f\u200d\u2642\ufe0f|\ud83e\udd3c\u200d\u2640\ufe0f|\ud83e\udd3c\u200d\u2642\ufe0f|\ud83e\uddde\u200d\u2640\ufe0f|\ud83e\uddde\u200d\u2642\ufe0f|\ud83e\udddf\u200d\u2640\ufe0f|\ud83e\udddf\u200d\u2642\ufe0f)|[\u0023\u002a\u0030-\u0039]\ufe0f?\u20e3|(?:[\u00a9\u00ae\u2122\u265f]\ufe0f)|(?:\ud83c[\udc04\udd70\udd71\udd7e\udd7f\ude02\ude1a\ude2f\ude37\udf21\udf24-\udf2c\udf36\udf7d\udf96\udf97\udf99-\udf9b\udf9e\udf9f\udfcd\udfce\udfd4-\udfdf\udff3\udff5\udff7]|\ud83d[\udc3f\udc41\udcfd\udd49\udd4a\udd6f\udd70\udd73\udd76-\udd79\udd87\udd8a-\udd8d\udda5\udda8\uddb1\uddb2\uddbc\uddc2-\uddc4\uddd1-\uddd3\udddc-\uddde\udde1\udde3\udde8\uddef\uddf3\uddfa\udecb\udecd-\udecf\udee0-\udee5\udee9\udef0\udef3]|[\u203c\u2049\u2139\u2194-\u2199\u21a9\u21aa\u231a\u231b\u2328\u23cf\u23ed-\u23ef\u23f1\u23f2\u23f8-\u23fa\u24c2\u25aa\u25ab\u25b6\u25c0\u25fb-\u25fe\u2600-\u2604\u260e\u2611\u2614\u2615\u2618\u2620\u2622\u2623\u2626\u262a\u262e\u262f\u2638-\u263a\u2640\u2642\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267b\u267f\u2692-\u2697\u2699\u269b\u269c\u26a0\u26a1\u26aa\u26ab\u26b0\u26b1\u26bd\u26be\u26c4\u26c5\u26c8\u26cf\u26d1\u26d3\u26d4\u26e9\u26ea\u26f0-\u26f5\u26f8\u26fa\u26fd\u2702\u2708\u2709\u270f\u2712\u2714\u2716\u271d\u2721\u2733\u2734\u2744\u2747\u2757\u2763\u2764\u27a1\u2934\u2935\u2b05-\u2b07\u2b1b\u2b1c\u2b50\u2b55\u3030\u303d\u3297\u3299])(?:\ufe0f|(?!\ufe0e))|(?:(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75\udd90]|[\u261d\u26f7\u26f9\u270c\u270d])(?:\ufe0f|(?!\ufe0e))|(?:\ud83c[\udf85\udfc2-\udfc4\udfc7\udfca]|\ud83d[\udc42\udc43\udc46-\udc50\udc66-\udc69\udc6e\udc70-\udc78\udc7c\udc81-\udc83\udc85-\udc87\udcaa\udd7a\udd95\udd96\ude45-\ude47\ude4b-\ude4f\udea3\udeb4-\udeb6\udec0\udecc]|\ud83e[\udd18-\udd1c\udd1e\udd1f\udd26\udd30-\udd39\udd3d\udd3e\uddb5\uddb6\uddb8\uddb9\uddd1-\udddd]|[\u270a\u270b]))(?:\ud83c[\udffb-\udfff])?|(?:\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc73\udb40\udc63\udb40\udc74\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc77\udb40\udc6c\udb40\udc73\udb40\udc7f|\ud83c\udde6\ud83c[\udde8-\uddec\uddee\uddf1\uddf2\uddf4\uddf6-\uddfa\uddfc\uddfd\uddff
|
|||
|
|
|
|||
|
|
export type Node = {
|
|||
|
|
name: string,
|
|||
|
|
children?: Node[],
|
|||
|
|
props?: any;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
function _makeNode(name: string, children?: Node[], props?: any): Node {
|
|||
|
|
return children ? {
|
|||
|
|
name,
|
|||
|
|
children,
|
|||
|
|
props
|
|||
|
|
} : {
|
|||
|
|
name,
|
|||
|
|
props
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function makeNode(name: string, props?: any): Node {
|
|||
|
|
return _makeNode(name, null, props);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function makeNodeWithChildren(name: string, children: Node[], props?: any): Node {
|
|||
|
|
return _makeNode(name, children, props);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const newline = P((input, i) => {
|
|||
|
|
if (i == 0 || input[i] == '\n' || input[i - 1] == '\n') {
|
|||
|
|
return P.makeSuccess(i, null);
|
|||
|
|
} else {
|
|||
|
|
return P.makeFailure(i, 'not newline');
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
const mfm = P.createLanguage({
|
|||
|
|
root: r => P.alt(
|
|||
|
|
r.big,
|
|||
|
|
r.bold,
|
|||
|
|
r.motion,
|
|||
|
|
r.url,
|
|||
|
|
r.link,
|
|||
|
|
r.mention,
|
|||
|
|
r.hashtag,
|
|||
|
|
r.emoji,
|
|||
|
|
r.blockCode,
|
|||
|
|
r.inlineCode,
|
|||
|
|
r.quote,
|
|||
|
|
r.math,
|
|||
|
|
r.search,
|
|||
|
|
r.title,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1),
|
|||
|
|
|
|||
|
|
text: () => P.any.map(x => makeNode('text', { text: x })),
|
|||
|
|
|
|||
|
|
//#region Big
|
|||
|
|
big: r =>
|
|||
|
|
P.regexp(/^\*\*\*([\s\S]+?)\*\*\*/, 1)
|
|||
|
|
.map(x => makeNodeWithChildren('big', P.alt(
|
|||
|
|
r.mention,
|
|||
|
|
r.emoji,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1).tryParse(x))),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Block code
|
|||
|
|
blockCode: r =>
|
|||
|
|
newline.then(
|
|||
|
|
P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^```(.+?)?\n([\s\S]+?)\n```(\n|$)/i);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a blockCode');
|
|||
|
|
return P.makeSuccess(i + match[0].length, makeNode('blockCode', { code: match[2], lang: match[1] ? match[1].trim() : null }));
|
|||
|
|
})
|
|||
|
|
),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Bold
|
|||
|
|
bold: r =>
|
|||
|
|
P.regexp(/\*\*([\s\S]+?)\*\*/, 1)
|
|||
|
|
.map(x => makeNodeWithChildren('bold', P.alt(
|
|||
|
|
r.mention,
|
|||
|
|
r.emoji,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1).tryParse(x))),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Emoji
|
|||
|
|
emoji: r =>
|
|||
|
|
P.alt(
|
|||
|
|
P.regexp(/:([a-z0-9_+-]+):/i, 1)
|
|||
|
|
.map(x => makeNode('emoji', {
|
|||
|
|
name: x
|
|||
|
|
})),
|
|||
|
|
P.regexp(emojiRegex)
|
|||
|
|
.map(x => makeNode('emoji', {
|
|||
|
|
emoji: x
|
|||
|
|
})),
|
|||
|
|
),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Hashtag
|
|||
|
|
hashtag: r =>
|
|||
|
|
P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^#([^\s\.,!\?#]+)/i);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a hashtag');
|
|||
|
|
if (input[i - 1] != ' ' && input[i - 1] != null) return P.makeFailure(i, 'require space before "#"');
|
|||
|
|
return P.makeSuccess(i + match[0].length, makeNode('hashtag', { hashtag: match[1] }));
|
|||
|
|
}),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Inline code
|
|||
|
|
inlineCode: r =>
|
|||
|
|
P.regexp(/`(.+?)`/, 1)
|
|||
|
|
.map(x => makeNode('inlineCode', { code: x })),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Link
|
|||
|
|
link: r =>
|
|||
|
|
P.seqObj(
|
|||
|
|
['silent', P.string('?').fallback(null).map(x => x != null)] as any,
|
|||
|
|
P.string('['),
|
|||
|
|
['text', P.regexp(/[^\n\[\]]+/)] as any,
|
|||
|
|
P.string(']'),
|
|||
|
|
P.string('('),
|
|||
|
|
['url', r.url] as any,
|
|||
|
|
P.string(')'),
|
|||
|
|
)
|
|||
|
|
.map((x: any) => {
|
|||
|
|
return makeNodeWithChildren('link', P.alt(
|
|||
|
|
r.big,
|
|||
|
|
r.bold,
|
|||
|
|
r.motion,
|
|||
|
|
r.emoji,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1).tryParse(x.text), {
|
|||
|
|
silent: x.silent,
|
|||
|
|
url: x.url.props.url
|
|||
|
|
});
|
|||
|
|
}),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Math
|
|||
|
|
math: r =>
|
|||
|
|
P.regexp(/\\\((.+?)\\\)/, 1)
|
|||
|
|
.map(x => makeNode('math', { formula: x })),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Mention
|
|||
|
|
mention: r =>
|
|||
|
|
P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^@[a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9])?/i);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a mention');
|
|||
|
|
if (input[i - 1] != null && input[i - 1].match(/[a-z0-9]/i)) return P.makeFailure(i, 'not a mention');
|
|||
|
|
return P.makeSuccess(i + match[0].length, match[0]);
|
|||
|
|
})
|
|||
|
|
.map(x => {
|
|||
|
|
const { username, host } = parseAcct(x.substr(1));
|
|||
|
|
const canonical = host != null ? `@${username}@${toUnicode(host)}` : x;
|
|||
|
|
return makeNode('mention', {
|
|||
|
|
canonical, username, host, acct: x
|
|||
|
|
});
|
|||
|
|
}),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Motion
|
|||
|
|
motion: r =>
|
|||
|
|
P.alt(P.regexp(/\(\(\(([\s\S]+?)\)\)\)/, 1), P.regexp(/<motion>(.+?)<\/motion>/, 1))
|
|||
|
|
.map(x => makeNodeWithChildren('motion', P.alt(
|
|||
|
|
r.bold,
|
|||
|
|
r.mention,
|
|||
|
|
r.emoji,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1).tryParse(x))),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Quote
|
|||
|
|
quote: r =>
|
|||
|
|
newline.then(P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
if (!text.match(/^>[\s\S]+?/)) return P.makeFailure(i, 'not a quote');
|
|||
|
|
const quote: string[] = [];
|
|||
|
|
text.split('\n').some(line => {
|
|||
|
|
if (line.startsWith('>')) {
|
|||
|
|
quote.push(line);
|
|||
|
|
return false;
|
|||
|
|
} else {
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
const qInner = quote.join('\n').replace(/^>/gm, '').replace(/^ /gm, '');
|
|||
|
|
if (qInner == '') return P.makeFailure(i, 'not a quote');
|
|||
|
|
const contents = r.root.tryParse(qInner);
|
|||
|
|
return P.makeSuccess(i + quote.join('\n').length, makeNodeWithChildren('quote', contents));
|
|||
|
|
})),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Search
|
|||
|
|
search: r =>
|
|||
|
|
newline.then(P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^(.+?)( | )(検索|\[検索\]|Search|\[Search\])(\n|$)/i);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a search');
|
|||
|
|
return P.makeSuccess(i + match[0].length, makeNode('search', { query: match[1], content: match[0].trim() }));
|
|||
|
|
})),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region Title
|
|||
|
|
title: r =>
|
|||
|
|
newline.then(P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^((【|\[)(.+?)(】|]))(\n|$)/);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a title');
|
|||
|
|
const q = match[1].trim().substring(1, match[1].length - 1);
|
|||
|
|
const contents = P.alt(
|
|||
|
|
r.big,
|
|||
|
|
r.bold,
|
|||
|
|
r.motion,
|
|||
|
|
r.url,
|
|||
|
|
r.link,
|
|||
|
|
r.mention,
|
|||
|
|
r.hashtag,
|
|||
|
|
r.emoji,
|
|||
|
|
r.inlineCode,
|
|||
|
|
r.text
|
|||
|
|
).atLeast(1).tryParse(q);
|
|||
|
|
return P.makeSuccess(i + match[0].length, makeNodeWithChildren('title', contents));
|
|||
|
|
})),
|
|||
|
|
//#endregion
|
|||
|
|
|
|||
|
|
//#region URL
|
|||
|
|
url: r =>
|
|||
|
|
P((input, i) => {
|
|||
|
|
const text = input.substr(i);
|
|||
|
|
const match = text.match(/^https?:\/\/[\w\/:%#@\$&\?!\(\)\[\]~\.,=\+\-]+/);
|
|||
|
|
if (!match) return P.makeFailure(i, 'not a url');
|
|||
|
|
let url = match[0];
|
|||
|
|
const before = input[i - 1];
|
|||
|
|
if (url.endsWith('.')) url = url.substr(0, url.lastIndexOf('.'));
|
|||
|
|
if (url.endsWith(',')) url = url.substr(0, url.lastIndexOf(','));
|
|||
|
|
if (url.endsWith(')') && before == '(') url = url.substr(0, url.lastIndexOf(')'));
|
|||
|
|
if (url.endsWith(']') && before == '[') url = url.substr(0, url.lastIndexOf(']'));
|
|||
|
|
return P.makeSuccess(i + url.length, url);
|
|||
|
|
})
|
|||
|
|
.map(x => makeNode('url', { url: x })),
|
|||
|
|
//#endregion
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
export default mfm;
|