fchat-rising/bbcode/standard.ts

196 lines
8.9 KiB
TypeScript

import {CoreBBCodeParser} from './core';
import {InlineDisplayMode} from './interfaces';
import {BBCodeCustomTag, BBCodeSimpleTag} from './parser';
interface InlineImage {
id: number
hash: string
extension: string
nsfw: boolean
name?: string
}
interface StandardParserSettings {
siteDomain: string
staticDomain: string
animatedIcons: boolean
inlineDisplayMode: InlineDisplayMode
}
const usernameRegex = /^[a-zA-Z0-9_\-\s]+$/;
export class StandardBBCodeParser extends CoreBBCodeParser {
allowInlines = true;
inlines: {[key: string]: InlineImage | undefined} | undefined;
createInline(inline: InlineImage): HTMLElement {
const p1 = inline.hash.substr(0, 2);
const p2 = inline.hash.substr(2, 2);
const outerEl = this.createElement('div');
const el = this.createElement('img');
el.className = 'inline-image';
el.title = el.alt = inline.name!;
el.src = `${this.settings.staticDomain}images/charinline/${p1}/${p2}/${inline.hash}.${inline.extension}`;
outerEl.appendChild(el);
return outerEl;
}
constructor(public settings: StandardParserSettings) {
super();
const hrTag = new BBCodeSimpleTag('hr', 'hr', [], []);
hrTag.noClosingTag = true;
this.addTag('hr', hrTag);
this.addTag('quote', new BBCodeCustomTag('quote', (parser, parent, param) => {
if(param !== '')
parser.warning('Unexpected paramter on quote tag.');
const element = parser.createElement('blockquote');
const innerElement = parser.createElement('div');
innerElement.className = 'quoteHeader';
innerElement.appendChild(document.createTextNode('Quote:'));
element.appendChild(innerElement);
parent.appendChild(element);
return element;
}));
this.addTag('left', new BBCodeSimpleTag('left', 'span', ['leftText']));
this.addTag('right', new BBCodeSimpleTag('right', 'span', ['rightText']));
this.addTag('center', new BBCodeSimpleTag('center', 'span', ['centerText']));
this.addTag('justify', new BBCodeSimpleTag('justify', 'span', ['justifyText']));
this.addTag('big', new BBCodeSimpleTag('big', 'span', ['bigText'], ['url', 'i', 'u', 'b', 'color', 's']));
this.addTag('small', new BBCodeSimpleTag('small', 'span', ['smallText'], ['url', 'i', 'u', 'b', 'color', 's']));
this.addTag('indent', new BBCodeSimpleTag('indent', 'div', ['indentText']));
this.addTag('heading', new BBCodeSimpleTag('heading', 'h2', [], ['url', 'i', 'u', 'b', 'color', 's']));
this.addTag('collapse', new BBCodeCustomTag('collapse', (parser, parent, param) => {
if(param === '') { //tslint:disable-line:curly
parser.warning('title parameter is required.');
// HACK: Compatability fix with old site. Titles are not trimmed on old site, so empty collapse titles need to be allowed.
//return null;
}
const outer = parser.createElement('div');
outer.className = 'card bg-light bbcode-collapse';
const headerText = parser.createElement('div');
headerText.className = 'card-header bbcode-collapse-header';
const icon = parser.createElement('i');
icon.className = 'fas fa-chevron-down';
icon.style.marginRight = '10px';
headerText.appendChild(icon);
headerText.appendChild(document.createTextNode(param));
outer.appendChild(headerText);
const body = parser.createElement('div');
body.className = 'card-body bbcode-collapse-body closed';
body.style.height = '0';
outer.appendChild(body);
headerText.addEventListener('click', () => {
const isCollapsed = parseInt(body.style.height!, 10) === 0;
body.style.height = isCollapsed ? `${body.scrollHeight}px` : '0';
icon.className = `fas fa-chevron-${isCollapsed ? 'up' : 'down'}`;
});
parent.appendChild(outer);
return body;
}));
this.addTag('user', new BBCodeCustomTag('user', (parser, parent, _) => {
const el = parser.createElement('span');
parent.appendChild(el);
return el;
}, (parser, element, parent, param) => {
if(param !== '')
parser.warning('Unexpected parameter on user tag.');
const content = element.innerText;
if(!usernameRegex.test(content))
return;
const a = parser.createElement('a');
a.href = `${this.settings.siteDomain}c/${content}`;
a.target = '_blank';
a.className = 'character-link';
a.appendChild(document.createTextNode(content));
parent.replaceChild(a, element);
}, []));
this.addTag('icon', new BBCodeCustomTag('icon', (parser, parent, _) => {
const el = parser.createElement('span');
parent.appendChild(el);
return el;
}, (parser, element, parent, param) => {
if(param !== '')
parser.warning('Unexpected parameter on icon tag.');
const content = element.innerText;
if(!usernameRegex.test(content))
return;
const a = parser.createElement('a');
a.href = `${this.settings.siteDomain}c/${content}`;
a.target = '_blank';
const img = parser.createElement('img');
img.src = `${this.settings.staticDomain}images/avatar/${content.toLowerCase()}.png`;
img.className = 'character-avatar icon';
a.appendChild(img);
parent.replaceChild(a, element);
}, []));
this.addTag('eicon', new BBCodeCustomTag('eicon', (parser, parent, _) => {
const el = parser.createElement('span');
parent.appendChild(el);
return el;
}, (parser, element, parent, param) => {
if(param !== '')
parser.warning('Unexpected parameter on eicon tag.');
const content = element.innerText;
if(!usernameRegex.test(content))
return;
let extension = '.gif';
if(!this.settings.animatedIcons)
extension = '.png';
const img = parser.createElement('img');
img.src = `${this.settings.staticDomain}images/eicon/${content.toLowerCase()}${extension}`;
img.className = 'character-avatar icon';
parent.replaceChild(img, element);
}, []));
this.addTag('img', new BBCodeCustomTag('img', (parser, parent) => {
const el = parser.createElement('span');
parent.appendChild(el);
return el;
}, (p, element, parent, param) => {
const content = element.textContent!;
const parser = <StandardBBCodeParser>p;
if(!this.allowInlines) {
parser.warning('Inline images are not allowed here.');
return undefined;
}
if(typeof parser.inlines === 'undefined') {
parser.warning('This page does not support inline images.');
return undefined;
}
const displayMode = this.settings.inlineDisplayMode;
if(!/^\d+$/.test(param)) {
parser.warning('img tag parameters must be numbers.');
return undefined;
}
const inline = parser.inlines[param];
if(typeof inline !== 'object') {
parser.warning(`Could not find an inline image with id ${param} It will not be visible.`);
return undefined;
}
inline.name = content;
if(displayMode === InlineDisplayMode.DISPLAY_NONE || (displayMode === InlineDisplayMode.DISPLAY_SFW && inline.nsfw)) {
const el = parser.createElement('a');
el.className = 'unloadedInline';
el.href = '#';
el.dataset.inlineId = param;
el.onclick = () => {
Array.prototype.forEach.call(document.getElementsByClassName('unloadedInline'), ((e: HTMLElement) => {
const showInline = parser.inlines![e.dataset.inlineId!];
if(typeof showInline !== 'object') return;
e.parentElement!.replaceChild(parser.createInline(showInline), e);
}));
return false;
};
const prefix = inline.nsfw ? '[NSFW Inline] ' : '[Inline] ';
el.appendChild(document.createTextNode(prefix));
parent.replaceChild(el, element);
} else parent.replaceChild(parser.createInline(inline), element);
}, []));
}
}
export let standardParser: StandardBBCodeParser;
export function initParser(settings: StandardParserSettings): void {
standardParser = new StandardBBCodeParser(settings);
}