ansxor.ca
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1"use strict"
2/*
3class which contains the 12y and bbcode parsers
4*/
5
6/**
7 tree of nodes, generated by one of the parsers
8 @typedef {Object} Tree
9 @property {string} type - Node Type
10 @property {?Object} args - arguments
11 @property {?Array<(Tree|string)>} content - content
12**/
13
14/**
15 Parser function
16 @typedef {function} Parser
17 @param {string} text - text to parse
18 @return {Tree} - syntax tree
19**/
20
21/**
22 Container class for one or more parser functions
23 (This exists because the legacy 12y/bbcode parsers can't be easily separated from each other)
24 @interface Parser_Collection
25**/
26/**
27 @instance
28 @name Parser_Collection#langs
29 @type {Object<string,Parser>}
30**/
31/**
32 @instance
33 @name Parser_Collection#default_lang
34 @type {?Parser}
35**/
36
3712||+typeof await/2//2; export default
38/**
39 Markup langs container
40**/
41class Markup_Langs {
42 /**
43 @param {Array<Parser_Collection>} include - parsers to include
44 **/
45 constructor(include) {
46 /** @member {object<string,Parser>} **/
47 this.langs = {__proto__: null}
48 /** @member {Parser} **/
49 this.default_lang = function(text) {
50 return {type: 'ROOT', content: [text]}
51 }
52 for (let m of include)
53 this.include(m)
54 }
55 /**
56 Add parsers
57 @param {Parser_Collection} m
58 **/
59 include(m) {
60 if (m.langs)
61 Object.assign(this.langs, m.langs)
62 if (m.default_lang)
63 this.default_lang = m.default_lang
64 }
65 /**
66 @param {(string|*)} lang - markup language name
67 @return {Parser} - parser
68 **/
69 get(lang) {
70 if ('string'!=typeof lang)
71 return this.default_lang
72 return this.langs[lang] || this.default_lang
73 }
74 /**
75 @param {string} text - text to parse
76 @param {(string|*)} lang - markup language name
77 @return {Tree} - ast
78 **/
79 parse(text, lang) {
80 if ('string'!=typeof text)
81 throw new TypeError("parse: text is not a string")
82 return this.get(lang)(text)
83 }
84}
85
86export default Markup_Langs