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bbcodelibrary.ts
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bbcodelibrary.ts
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import BBCode from "./bbcode";
import Debugger from "./debugger";
//Types
import { BBMode, BBType, BBAction } from '../@types/enums';
import { TagRules, TagType } from "../@types/dataTypes";
//Modules
import { htmlEncode } from '../modules/html_entities';
import strip_tags from '../modules/strip_tags';
import basename from '../modules/basename';
import parse_url from "../modules/parse_url";
/**
* This is the BBCodeLibrary class, it is responsible for defining the default
* Emoji, the default tags, and providing the functions to parse the default
* tags. You can extend this Library and pass it to {@link BBCode} when creating
* it, or create new tags using the {@link BBCode.addRule} function.
*/
export default class BBCodeLibrary {
/**
* @var defaultEmoji Standard library of Emoji definitions.
*/
public defaultEmoji: Record<string, string> = {
":)": "smile.gif",
":-)": "smile.gif",
"=)": "smile.gif",
"=-)": "smile.gif",
":(": "frown.gif",
":-(": "frown.gif",
"=(": "frown.gif",
"=-(": "frown.gif",
":D": "bigsmile.gif",
":-D": "bigsmile.gif",
"=D": "bigsmile.gif",
"=-D": "bigsmile.gif",
">:(": "angry.gif",
">:-(": "angry.gif",
">=(": "angry.gif",
">=-(": "angry.gif",
"D:": "angry.gif",
"D-:": "angry.gif",
"D=": "angry.gif",
"D-=": "angry.gif",
">:)": "evil.gif",
">:-)": "evil.gif",
">=)": "evil.gif",
">=-)": "evil.gif",
">:D": "evil.gif",
">:-D": "evil.gif",
">=D": "evil.gif",
">=-D": "evil.gif",
">;)": "sneaky.gif",
">;-)": "sneaky.gif",
">;D": "sneaky.gif",
">;-D": "sneaky.gif",
"O:)": "saint.gif",
"O:-)": "saint.gif",
"O=)": "saint.gif",
"O=-)": "saint.gif",
":O": "surprise.gif",
":-O": "surprise.gif",
"=O": "surprise.gif",
"=-O": "surprise.gif",
":?": "confuse.gif",
":-?": "confuse.gif",
"=?": "confuse.gif",
"=-?": "confuse.gif",
":s": "worry.gif",
":-S": "worry.gif",
"=s": "worry.gif",
"=-S": "worry.gif",
":|": "neutral.gif",
":-|": "neutral.gif",
"=|": "neutral.gif",
"=-|": "neutral.gif",
":I": "neutral.gif",
":-I": "neutral.gif",
"=I": "neutral.gif",
"=-I": "neutral.gif",
":/": "irritated.gif",
":-/": "irritated.gif",
"=/": "irritated.gif",
"=-/": "irritated.gif",
":\\": "irritated.gif",
":-\\": "irritated.gif",
"=\\": "irritated.gif",
"=-\\": "irritated.gif",
":P": "tongue.gif",
":-P": "tongue.gif",
"=P": "tongue.gif",
"=-P": "tongue.gif",
"X-P": "tongue.gif",
"8)": "bigeyes.gif",
"8-)": "bigeyes.gif",
"B)": "cool.gif",
"B-)": "cool.gif",
";)": "wink.gif",
";-)": "wink.gif",
"^_^": "anime.gif",
"^^;": "sweatdrop.gif",
">_>": "lookright.gif",
">.>": "lookright.gif",
"<_<": "lookleft.gif",
"<.<": "lookleft.gif",
"XD": "laugh.gif",
"X-D": "laugh.gif",
";D": "bigwink.gif",
";-D": "bigwink.gif",
":3": "smile3.gif",
":-3": "smile3.gif",
"=3": "smile3.gif",
"=-3": "smile3.gif",
";3": "wink3.gif",
";-3": "wink3.gif",
"<g>": "teeth.gif",
"<G>": "teeth.gif",
"o.O": "boggle.gif",
"O.o": "boggle.gif",
":blue:": "blue.gif",
":zzz:": "sleepy.gif",
"<3": "heart.gif",
":star:": "star.gif"
};
/**
* @var defaultTagRules {@link TagRules} Standard rules for what to do when a BBCode tag is encountered.
*/
public defaultTagRules: Record<string, TagRules> = {
"b": {
"simple_start": "<b>",
"simple_end": "</b>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"plain_start": "<b>",
"plain_end": "</b>",
"allow_params": false
},
"i": {
"simple_start": "<i>",
"simple_end": "</i>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"plain_start": "<i>",
"plain_end": "</i>",
"allow_params": false
},
"u": {
"simple_start": "<u>",
"simple_end": "</u>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"plain_start": "<u>",
"plain_end": "</u>",
"allow_params": false
},
"s": {
"simple_start": "<strike>",
"simple_end": "</strike>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"plain_start": "<i>",
"plain_end": "</i>",
"allow_params": false
},
"font": {
"mode": BBMode.LIBRARY,
"allow":
{
"_default": "/^[a-zA-Z0-9._ -]+$/"
},
"method": "doFont",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"color": {
"mode": BBMode.ENHANCED,
"allow":
{
"_default": "/^#?[a-zA-Z0-9._ -]+$/"
},
"template": "<span style=\"color:{$_default/tw}\">{$_content/v}</span>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"size": {
"mode": BBMode.LIBRARY,
"allow":
{
"_default": "/^[0-9.]+$/"
},
"method": "doSize",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"sup": {
"simple_start": "<sup>",
"simple_end": "</sup>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"allow_params": false
},
"sub": {
"simple_start": "<sub>",
"simple_end": "</sub>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"allow_params": false
},
"spoiler": {
"simple_start": "<span class=\"bbcode_spoiler\">",
"simple_end": "</span>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"acronym": {
"mode": BBMode.ENHANCED,
"template": "<span class=\"bbcode_acronym\" title=\"{$_default/e}\">{$_content/v}</span>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"url": {
"mode": BBMode.LIBRARY,
"method": "doURL",
"class": "link",
"allow_in": ["listitem", "block", "columns", "inline"],
"content": BBType.REQUIRED,
"plain_start": "<a href=\"{$link}\">",
"plain_end": "</a>",
"plain_content": ["_content", "_default"],
"plain_link": ["_default", "_content"]
},
"email": {
"mode": BBMode.LIBRARY,
"method": "doEmail",
"class": "link",
"allow_in": ["listitem", "block", "columns", "inline"],
"content": BBType.REQUIRED,
"plain_start": "<a href=\"mailto:{$link}\">",
"plain_end": "</a>",
"plain_content": ["_content", "_default"],
"plain_link": ["_default", "_content"]
},
"wiki": {
"mode": BBMode.LIBRARY,
"method": "doWiki",
"class": "link",
"allow_in": ["listitem", "block", "columns", "inline"],
"end_tag": BBType.PROHIBIT,
"content": BBType.PROHIBIT,
"plain_start": "<b>[",
"plain_end": "]</b>",
"plain_content": ["title", "_default"],
"plain_link": ["_default", "_content"]
},
"img": {
"mode": BBMode.LIBRARY,
"method": "doImage",
"class": "image",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"end_tag": BBType.REQUIRED,
"content": BBType.OPTIONAL,
"plain_start": "[image]",
"plain_content": []
},
"rule": {
"mode": BBMode.LIBRARY,
"method": "doRule",
"class": "block",
"allow_in": ["listitem", "block", "columns"],
"end_tag": BBType.PROHIBIT,
"content": BBType.PROHIBIT,
"before_tag": "sns",
"after_tag": "sns",
"plain_start": "\n-----\n",
"plain_end": "",
"plain_content": []
},
"br": {
"mode": BBMode.SIMPLE,
"simple_start": "<br>\n",
"simple_end": "",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"],
"end_tag": BBType.PROHIBIT,
"content": BBType.PROHIBIT,
"before_tag": "s",
"after_tag": "s",
"plain_start": "\n",
"plain_end": "",
"plain_content": []
},
"left": {
"simple_start": "\n<div class=\"bbcode_left\" style=\"text-align:left\">\n",
"simple_end": "\n</div>\n",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"right": {
"simple_start": "\n<div class=\"bbcode_right\" style=\"text-align:right\">\n",
"simple_end": "\n</div>\n",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"center": {
"simple_start": "\n<div class=\"bbcode_center\" style=\"text-align:center\">\n",
"simple_end": "\n</div>\n",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"rtl": {
"simple_start": "<div style=\"direction:rtl;\">",
"simple_end": "</div>",
"class": "inline",
"allow_in": ["listitem", "block", "columns", "inline", "link"]
},
"indent": {
"simple_start": "\n<div class=\"bbcode_indent\" style=\"margin-left:4em\">\n",
"simple_end": "\n</div>\n",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"columns": {
"simple_start": "\n<table class=\"bbcode_columns\"><tbody><tr><td class=\"bbcode_column bbcode_firstcolumn\">\n",
"simple_end": "\n</td></tr></tbody></table>\n",
"class": "columns",
"allow_in": ["listitem", "block", "columns"],
"end_tag": BBType.REQUIRED,
"content": BBType.REQUIRED,
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"nextcol": {
"simple_start": "\n</td><td class=\"bbcode_column\">\n",
"class": "nextcol",
"allow_in": ["columns"],
"end_tag": BBType.PROHIBIT,
"content": BBType.PROHIBIT,
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": ""
},
"code": {
"mode": BBMode.ENHANCED,
"template": "\n<div class=\"bbcode_code\">\n<div class=\"bbcode_code_head\">Code:</div>\n<div class=\"bbcode_code_body\" style=\"white-space:pre\">{$_content/v}</div>\n</div>\n",
"class": "code",
"allow_in": ["listitem", "block", "columns"],
"content": BBType.VERBATIM,
"before_tag": "sns",
"after_tag": "sn",
"before_endtag": "sn",
"after_endtag": "sns",
"plain_start": "\n<b>Code:</b>\n",
"plain_end": "\n"
},
"quote": {
"mode": BBMode.LIBRARY,
"method": "doQuote",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n<b>Quote:</b>\n",
"plain_end": "\n"
},
"list": {
"mode": BBMode.LIBRARY,
"method": "doList",
"class": "list",
"allow_in": ["listitem", "block", "columns"],
"before_tag": "sns",
"after_tag": "sns",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n",
"plain_end": "\n"
},
"*": {
"simple_start": "<li>",
"simple_end": "</li>\n",
"class": "listitem",
"allow_in": ["list"],
"end_tag": BBType.OPTIONAL,
"before_tag": "s",
"after_tag": "s",
"before_endtag": "sns",
"after_endtag": "sns",
"plain_start": "\n * ",
"plain_end": "\n"
}
};
/**
* @var array The file extensions that are considered valid local images.
*/
protected imageExtensions = ['gif', 'jpg', 'jpeg', 'png', 'svg'];
/**
* Format a [url] tag by producing an <a>...</a> element.
*
* The URL only allows http, https, mailto, and ftp protocols for safety.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns the full HTML url.
*/
public doURL(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string | true {
// We can't check this with BBCODE_CHECK because we may have no URL
// before the content has been processed.
if (action === BBAction.CHECK) {
return true;
}
let target = '';
const url = typeof defaultValue === "string"
? defaultValue
: bbcode.unHTMLEncode(strip_tags(content));
if (bbcode.isValidURL(url)) {
if (bbcode.debug) {
Debugger.debug('ISVALIDURL', '');
}
if (bbcode.getURLTargetable() !== false && params['target']) {
target = ' target="'+htmlEncode(params['target'])+'"';
}
if (bbcode.getURLTarget() !== false && !target) {
target = ' target="'+htmlEncode(bbcode.getURLTarget() as string)+'"';
}
// If `detectURLs` is on, it's possble the content is already
// enclosed in an <a href> tag. Remove that if that is the case.
content = content.replace(/^<a [^>]*>(.*?)<\/a>$/g, "$1");
return bbcode.fillTemplate(bbcode.getURLTemplate(), {"url": url, "target": target, "content": content});
} else {
return htmlEncode(params['_tag'])+content+htmlEncode(params['_endtag']);
}
}
/**
* Format an [email] tag by producing an <a href="mailto:..+">...</a> element.
*
* The e-mail address must be a valid address including at least a '@' and a valid domain
* name or IPv4 or IPv6 address after the '@'.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return string Returns the email link HTML.
*/
public doEmail(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string | true {
// We can't check this with BBCODE_CHECK because we may have no URL
// before the content has been processed.
if (action === BBAction.CHECK) {
return true;
}
const email = typeof defaultValue === "string"
? defaultValue
: bbcode.unHTMLEncode(strip_tags(content));
if (bbcode.isValidEmail(email)) {
return bbcode.fillTemplate(bbcode.getEmailTemplate(), {"email": email, "content": content});
} else {
return htmlEncode(params['_tag'])+content+htmlEncode(params['_endtag']);
}
}
/**
* Format a [size] tag by producing a <span> with a style with a different font-size.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns a span with the font size CSS.
*/
public doSize(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string {
let size: any;
switch (defaultValue) {
case '0':
size = '.5em';
break;
case '1':
size = '.67em';
break;
case '2':
size = '.83em';
break;
case '3':
size = '1.0em';
break;
case '4':
size = '1.17em';
break;
case '5':
size = '1.5em';
break;
case '6':
size = '2.0em';
break;
case '7':
size = '2.5em';
break;
default:
size = parseInt(defaultValue);
if (size < 11 || size > 48) {
size = '1.0em';
} else {
size += 'px';
}
break;
}
return '<span style="font-size:'+size+'">'+content+'</span>';
}
/**
* Format a [font] tag by producing a <span> with a style with a different font-family.
*
* This is complicated by the fact that we have to recognize the five special font
* names and quote all the others.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns a span with the font family CSS.
*/
public doFont(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string {
const fonts = defaultValue.split(',');
let result = "";
const specialFonts: Record<string, string> = {
"serif": "serif",
"sans-serif": "sans-serif",
"sans serif": "sans-serif",
"sansserif": "sans-serif",
"sans": "sans-serif",
"cursive": "cursive",
"fantasy": "fantasy",
"monospace": "monospace",
"mono": "monospace"
};
for (let font of fonts) {
font = font.trim();
if (specialFonts[font]) {
if (result) {
result += ",";
}
result += specialFonts[font];
} else if (font) {
if (result) {
result += ",";
}
result += `'${font}'`;
}
}
return `<span style="font-family:${result}">${content}</span>`;
}
/**
* Format a [wiki] tag by producing an <a>...</a> element.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns a link to the wiki.
*/
public doWiki(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string | boolean {
let title;
name = bbcode.wikify(defaultValue);
if (action === BBAction.CHECK) {
return name.length > 0;
}
if (params['title'] && params['title'].length) {
title = params['title'].trim();
} else {
title = defaultValue.trim();
}
const wikiURL = bbcode.getWikiURL();
return bbcode.fillTemplate(bbcode.getWikiURLTemplate(), {wikiURL: wikiURL, name: name, title: title});
}
/**
* Format an [img] tag. The URL only allows http, https, and ftp protocols for safety.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns the image tag.
*/
public doImage(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): string | true {
// We can't validate this until we have its content.
if (action === BBAction.CHECK) {
return true;
}
content = bbcode.unHTMLEncode(strip_tags(content)).trim();
if (!content && defaultValue) {
content = defaultValue;
}
const urlParts = parse_url(content) as Record<string, string>;
if (typeof urlParts === "object") {
if (urlParts['path'] &&
!urlParts['scheme'] &&
!/^.{0,2}\//.test(urlParts['path']) &&
this.imageExtensions.includes(/(?:\.([^.]+))?$/.exec(urlParts['path'])[1])
) {
const localImgURL = bbcode.getLocalImgURL();
return "<img src=\""
+htmlEncode((!localImgURL ? '' : localImgURL+'/')+urlParts['path'].replace(/\/+/, ''))+'" alt="'
+htmlEncode(basename(content))+'" class="bbcode_img" />';
} else if (bbcode.isValidURL(content, false)) {
// Remote URL, or at least we don't know where it is.
return '<img src="'+htmlEncode(content)+'" alt="'
+htmlEncode(basename(content))+'" class="bbcode_img" />';
}
}
return htmlEncode(params['_tag'])+htmlEncode(content)+htmlEncode(params['_endtag']);
}
/**
* Format a [rule] tag.
*
* This substitutes the content provided by the BBCode object, whatever that may be.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns the rule HTML or **true** if {@link action} is **BBAction.BBCODE_CHECK**.
*/
public doRule(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): boolean | string {
if (action === BBAction.CHECK) {
return true;
} else {
return bbcode.getRuleHTML();
}
}
/**
* Format a [quote] tag.
*
* This tag can come in a variety of flavors:
*
* ```
* [quote]...[/quote]
* [quote=Tom]...[/quote]
* [quote name="Tom"]...[/quote]
* ```
*
* In the third form, you can also add a date="" parameter to display the date
* on which Tom wrote it, and you can add a url="" parameter to turn the author's
* name into a link. A full example might be:
*
* ```
* [quote name="Tom" date="July 4, 1776 3:48 PM" url="http://www.constitution.gov"]...[/quote]
* ```
*
* The URL only allows http, https, mailto, gopher, ftp, and feed protocols for safety.
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns the quote HTML or **true** if {@link action} is **BBAction.BBCODE_CHECK**.
*/
public doQuote(bbcode: BBCode, action: BBAction, name: string, defaultValue: string, params: TagType, content: string): boolean | string {
if (action === BBAction.CHECK) {
return true;
}
let title;
if (params['name']) {
title = htmlEncode(params['name'].trim())+" wrote";
if (params['date']) {
title += " on "+htmlEncode(params['date'].trim());
}
title += ":";
if (params['url']) {
const URL = params['url'].trim();
if (bbcode.isValidURL(URL)) {
title = "<a href=\""+htmlEncode(params['url'])+"\">"+title+"</a>";
}
}
} else if (typeof defaultValue !== "string") {
title = "Quote:";
} else {
title = htmlEncode(defaultValue.trim())+" wrote:";
}
return bbcode.fillTemplate(bbcode.getQuoteTemplate(), {"title": title, "content": content});
}
/**
* Format a [list] tag.
*
* This is complicated by the number of different
* ways a list can be started. The following parameters are allowed:
*
* ```
* [list] Unordered list, using default marker
* [list=circle] Unordered list, using circle marker
* [list=disc] Unordered list, using disc marker
* [list=square] Unordered list, using square marker
*
* [list=1] Ordered list, numeric, starting at 1
* [list=A] Ordered list, capital letters, starting at A
* [list=a] Ordered list, lowercase letters, starting at a
* [list=I] Ordered list, capital Roman numerals, starting at I
* [list=i] Ordered list, lowercase Roman numerals, starting at i
* [list=greek] Ordered list, lowercase Greek letters, starting at alpha
* [list=01] Ordered list, two-digit numeric with 0-padding, starting at 01
* ```
*
* @param bbcode: BBCode The {@link BBCode} object doing the parsing.
* @param action The current action being performed on the tag.
* @param name The name of the tag.
* @param defaultValue The default value passed to the tag in the form: `[tag=default]`.
* @param params All of the parameters passed to the tag.
* @param content The content of the tag. Only available when {@link action} is {@link BBAction.OUTPUT}.
* @return Returns the list HTML or a boolen result when {@link action} is **BBAction.BBCODE_CHECK**.
*/
public doList(bbcode: BBCode, action: BBAction, name: string, defaultValue: string|undefined, params: TagType, content: string): boolean | string {
// Allowed list styles, striaght from the CSS 2.1 spec. The only prohibited
// list style is that with image-based markers, which often slows down web sites.
const listStyles: Record<string, string> = {
"1": "decimal",
"01": "decimal-leading-zero",
"i": "lower-roman",
"I": "upper-roman",
"a": "lower-alpha",
"A": "upper-alpha"
};
const ciListStyles: Record<string, string> = {
"circle": "circle",
"disc": "disc",
"square": "square",
"greek": "lower-greek",
"armenian": "armenian",
"georgian": "georgian"
};
const ulTypes: Record<string, string> = {
"circle": "circle",
"disc": "disc",
"square": "square"
};
defaultValue = defaultValue ? defaultValue.trim() : undefined;
if (action === BBAction.CHECK) {
if (!(typeof defaultValue === "string")) {
return true;
} else if (listStyles[defaultValue]) {
return true;
} else if (ciListStyles[defaultValue.toLowerCase()]) {
return true;
} else {
return false;
}
}
// Choose a list element (<ul> or <ol>) and a style.
let elem: string, type: string;
if (!(typeof defaultValue === "string")) {
elem = 'ul';
type = '';
} else if (defaultValue === '1') {
elem = 'ol';
type = '';
} else if (listStyles[defaultValue]) {
elem = 'ol';
type = listStyles[defaultValue];
} else {
defaultValue = defaultValue.toLowerCase();
if (ulTypes[defaultValue]) {
elem = 'ul';
type = ulTypes[defaultValue];
} else if (ciListStyles[defaultValue]) {
elem = 'ol';
type = ciListStyles[defaultValue];
} else {
elem = 'ul';
type = '';
}
}
// Generate the HTML for it.
if (type.length > 0) {
return `\n<${elem} class="bbcode_list" style="list-style-type:${type}">\n${content}</${elem}>\n`;
} else {
return `\n<${elem} class="bbcode_list">\n${content}</${elem}>\n`;
}
}
}