/
mdx_parser.js
349 lines (328 loc) · 14.9 KB
/
mdx_parser.js
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const {readFile} = require('fs')
const speakers =require('./speakermap.js');
const emoji_map = require('./emoji_map.js');
class MDX_PARSER{
constructor(narrator){
this.narrator=narrator
this.html_head=`<html><meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
<title>Namshub Et'Tulpa</title>
<link rel="stylesheet" href="style.css">
<body>`
this.html_end=`</p></body></html>`
}
async PARSE_MD(cwd,res){ //incomplete and basic
return readFile(cwd,"utf-8",(err,data)=>{
if(data==undefined||err){
return res.send("<h1>there is no file here</h1>");
}
data=this.escapeHtml(data)
data=data.replaceAll(/(\`\`\`(.*?)\`\`\`)/gms,'<pre class="code">$2</pre>')
data=data.replaceAll(/####(.*)/gm,'<h4>$1</h4>')
data=data.replaceAll(/###(.*)/gm,'<h3>$1</h3>')
data=data.replaceAll(" ","</p><p> ")
data=`${this.html_head}${data}${this.html_end}`
return res.send(data)
})
}
trim_deliminator(data){
return data.slice(1,data.length-1)
}
transform_headers(data){
const headers = data?.match(/^[#]+\s.*/gm)||[]; // matches lines with # at start
headers.forEach(head=>{
const count = head.match(/^#+/)[0].length;
const htext = head.replace(/^#+/,"");
const replace = `<h${count}>${htext}</h${count}>`
data=data.replace(head,replace);
})
return data
}
transform_links(data){
var re = /\[(.*?)\]/g
var re2 = /\((.*?)\)/g
const links = data?.match(/\[.*?\]\(.*?\)/g) ||[]
links.forEach(link=>{
const m1 = link.match(re2)[0].replace("(","").replace(")","");
const m2 = link.match(re)[0].replace("]","").replace("[","");
const replace = `<a href="${m1}">${m2}</a>`
data=data.replace(link,replace)
});
return data;
}
transform_images(data){
var re = /\[(.*?)\]/g
var re2 = /\((.*?)\)/g
var re3 = /\{(.*?)\}/g
const images = data?.match(/[!](\[(.*?)\]\(.*?\)\{?.*?\})/g) ||[]
images.forEach(img=>{
const urlandhover = img.match(re2)[0].replace("(","").replace(")","");
const style = img.match(re3)[0]?.replace("{","")?.replace("}","");
const url = urlandhover.slice(0,urlandhover.indexOf(" "))
const altText = img.match(re)[0].replace("]","").replace("[","");
const replace = `<img src="${url}" alt="${altText}" style="${style}"/>`
data=data.replace(img,replace)
})
return data;
}
transform_ordered_lists(data){
const lines = data?.match(/^[0-9]+[.].*?$/gm)||[]
lines.forEach((line,i,arr)=>{
const split_line = line.replace(/^[0-9]+[.]/gm,"")
if(i==0){
data=data.replace(line,`<ol><li >${split_line}</li>`)
}else if(i==arr.length-1){
data=data.replace(line,`<li>${split_line}</li></ol>`)
}else{
data=data.replace(line,`<li>${split_line}</li>`)
}
})
return data;
}
transform_unordered_lists(data){
const unordered_lines = data?.match(/^[-]+.*?$/gm)||[]
unordered_lines.reduce((_last,line,i,arr)=>{
const len = line.match(/^[-]+/gm)[0].length//no need for ||[]
const split_line = line.replace(/^[-]+/gm,"")
if(i==0){
data=data.replace(line,`<ul><li>${split_line}</li>`)
}
else if(len==_last){
if(i==arr.length-1) data=data.replace(line,`<li>${split_line}</li>${`</ul>`.repeat(_last)}`)
else data=data.replace(line,`<li>${split_line}</li>`)
}
else if(len>_last){
if(i==arr.length-1) data=data.replace(line,`<ul><li>${split_line}</li>${`</ul>`.repeat(_last)}`)
else data=data.replace(line,`<ul><li>${split_line}</li>`)
}else if(len<_last){
if(i==arr.length-1) data=data.replace(line,`${`</ul>`.repeat(_last-len)}<li>${split_line}</li>${`</ul>`.repeat(_last)}`)
else data=data.replace(line,`${`</ul>`.repeat(_last-len)}<li>${split_line}</li>`)
}
return len;
},1)
return data;
}
async Parse(cwd,callback){
return readFile(cwd,"utf-8",(err,data)=>{
if(data==undefined||err) return callback("<h1>there is no file here</h1>",null);
const script_bypass={data:""}
const script = data.match(/<script[^>]*>[\s\S]*?<\/script>/gim)
script_bypass.data=script?script[0]:"";``
data=data.replaceAll(script,"");
const div_bypass={data:[],keys:[]};
div_bypass.data = data.match(/[<][d][i][v].*[>].*[<][\/][d][i][v][>]/gm)||[];
div_bypass.keys = div_bypass.data.map((x,i)=>`$;$${i}$;$`)
data=data.replaceAll(div_bypass.data,div_bypass.keys);
const blocks =this.parse_mdx(data)
if(blocks){
const start=data.indexOf("{");
const end = data.lastIndexOf("}");
const start_str = data.slice(0,start);
const end_str = data.slice(end+1);
data= start_str+blocks+end_str
}
data = this.transform_headers(data);
data = this.transform_images(data);
data = this.transform_ordered_lists(data);
data = this.transform_unordered_lists(data);
data = this.transform_links(data);
data=`${this.html_head}${data}</body>
${script_bypass.data}
</html>`
data=data.replace(/([\<][\p][\>][\<][\/][\p][\>])/gm, "")
data=data.replaceAll(div_bypass.keys,div_bypass.data);
callback(null,data);
})
}
parse_mdx(text){
const data = this.get_mdx_data(text);
const blocks = this.separate_blocks(data);
const parsed = blocks.reduce((p,item)=>p+this.mdx_block_parser(item),`<block class="block">`)+`</block>`
return parsed;
}
get_mdx_data(text){
return text.slice(text.indexOf("{"),text.lastIndexOf("}")+1)
}
separate_blocks(data){
let token_maker = "";
const delimiters=["\"","\'","\~","\`","\*"];
const delimiters_stack =[];
const blocks = data.split("").reduce((acc,char,i)=>{
if(char=="}"){
if(delimiters_stack.length==0){
acc.push(token_maker);
token_maker="";
}else{
token_maker=token_maker+String(char)
}
}else if(char == "{" && delimiters_stack.length==0){
}else if(delimiters.includes(char)){
if(char ==delimiters_stack[delimiters_stack.length-1] &&delimiters_stack.length==1){
delimiters_stack.pop()
}else if(delimiters_stack.length==0){
delimiters_stack.push(char);
}
token_maker=token_maker+String(char);
}else{
token_maker=token_maker+String(char);
}
return acc
},[])
return blocks;
}
get_narrator(key){
let narrator;
if(key.includes("__")){
const [k1,k2]=[key.slice(0,key.indexOf("__")),key.slice(key.indexOf("__")+2)]
narrator = speakers["___"](k1,k2);
}else if(key.includes("_")){
const [k1,k2]=[key.slice(0,key.indexOf("_")),key.slice(key.indexOf("_"))]
narrator = speakers["__"](k1,k2);
}
else narrator = speakers[key];
return narrator;
}
mdx_block_parser(block){
let ref=block;
const regex_settings = ref.match(/^\s*[m][n][:](.*)/gm)
block = block.replace(regex_settings,"")
if(regex_settings!=null &®ex_settings.length!=0){
const key=regex_settings[0].slice(regex_settings[0].indexOf(":")+1);
this.narrator= this.get_narrator(key);
}
const pw = ref.match(/\\{0}\`([^`]*)\`/gm)||[];
pw.forEach(r=>ref=ref.replace(r,""))
const aw = ref.match(/\\{0}\*([^*]*)\*/gm)||[];
aw.forEach(r=>ref=ref.replace(r,""))
const dw = ref.match(/\\{0}\~([^~]*)\~/gm)||[];
dw.forEach(r=>ref=ref.replace(r,""))
const sw = ref.match(/\\{0}\"([^"]*)\"/gm)||[];
sw.forEach(r=>ref=ref.replace(r,""))
const tw = ref.match(/\\{0}\'([^']*)\'/gm)||[];
tw.forEach(r=>ref=ref.replace(r,""));
const lines_types = [...sw,...tw,...aw,...dw];
const transforms_words = lines_types.map(x=>{
return {
o:x,
t:this.scp(x,false),
}
})
let transforms_data = pw.map(x=>{
return {
o:x,
t:x
}
})
transforms_data = transforms_data.map((obj,i)=>{
let ref = obj.t;
const aw = ref.match(/\*([^*]*)\*/gm)||[];
const dw = ref.match(/\~([^~]*)\~/gm)||[];
const sw = ref.match(/\"([^"]*)\"/gm)||[];
const tw = ref.match(/\'([^']*)\'/gm)||[];
//handle links inside code section - need to be extracted
var re = /(\[.*?\])/g
var re2 = /(\(.*?\))/g
const html_links =(ref.match(/\<a.*\>/gm)||[]);
const html_transform_box = html_links.map(x=>({o:x,t:x}))
const md_links = (ref.match(/[^!](\[(.*?)\]\(.*?\))/g))||[]
const md_html = md_links.map(link=>{
const m1 = link.match(re2)[0].replace("(","").replace(")","");
const m2 = link.match(re)[0].replace("]","").replace("[","");
return {o:link,t:`<a href="${m1}">${m2}</a>`}
});
const links = [...md_html,...html_transform_box]
const fake_links = links.map((link,i)=>`!!@@!${i}!@@!!`)
links.forEach((l,i)=>{
obj.t=obj.t.replaceAll(links[i].o,fake_links[i])})
const internal_data_matches = [...aw,...dw,...sw,...tw];
internal_data_matches.forEach(match=>ref=ref.replace(match,""));
const internal_data_matches_unique = internal_data_matches.reduce((acc,item)=>{
if(!acc.includes(item))acc.push(item)
return acc
},[])
// that felt unclean - to fix
internal_data_matches_unique.forEach(match=>{
obj.t=obj.t.replaceAll(match,this.scp(match,true))
})
obj.t=obj.t.replaceAll(/([t][r][u][e]|[f][a][l][s][e])/gm,`<span class="boolean">$1</span>`)
obj.t=obj.t.replaceAll(/([=][>]|[<][=]|[e][x][e]|[|][|]|[W][I][T][H]|[W][H][I][L][E]|[T][R][Y]|[C][A][T][C][H])/gm,`<span class="cli">$1</span>`)
obj.t=obj.t.replaceAll(/([\{]|[\}]|[\[]|[\]]|[\(]|[\)])/gm,`<span class="bracket">$1</span>`)
obj.t=obj.t.replaceAll(/([\s][-][\w]+)/gm,`<span class="cli-option">$1</span>`)
obj.t=obj.t.replaceAll(/([-][-][\w][\w-]*)/gm,`<span class="cli-option-long">$1</span>`)
obj.t=obj.t.replaceAll(/([.][\w]+)/gm,`<span class="cli-object">$1</span>`)
fake_links.forEach((fl,i)=>obj.t=obj.t.replaceAll(fl,links[i].t))
return obj;
})
transforms_data = transforms_data.map(x=>{
const text = x.t.slice(1,x.t.length-1)
return {
o:x.o,
t:`<pre class="code"><span>${text}</span></pre>`
}
})
const transforms = [...transforms_data,...transforms_words].reduce((acc,t)=>{
if (acc.includes(y=>y.o==t.o)){}
else {acc.push(t)}
return acc
},[])
transforms.forEach(t=>{
block=block.replaceAll(t.o,t.t)
if(t.o[0]=="`"){
}
})
block=block.replaceAll(/([\<][\p][\>][\<][\/][\p][\>])/gm, "")
block=block.replaceAll(/([\^]+)/gm,`<span class="indicator">$1</span>`)
block=block.replaceAll(/([%][%][%][%])/gm,`<br /><div class="section_break">%%%%</div><br /><br />`);
return block;
}
scp(txt,internal_data_flag){
const speaker_regex = txt.match(/\w+[:][:]/gm);
const emoji_regex = txt.match(/[$][E][\w]*[:]/gm);
if(emoji_regex){
for(const match of emoji_regex){
let key = match.slice(2,emoji_regex.indexOf(":"));
let emoji = emoji_map[key];
txt=txt.replace(match, emoji);
}
}
switch(txt[0]){
case "\"":
if(internal_data_flag) return `<span class="speech">${txt}</span>`;
if(speaker_regex){
let key = speaker_regex[0].slice(0,speaker_regex.indexOf(":")-1);
const speaker = this.get_narrator(key);
const mainFlag = speaker == this.narrator;
const dialouge = txt[0]+txt.slice(txt.indexOf("::")+2)
const d = `<span>${dialouge}</span>`
return this.speaker_bubble_div(d,mainFlag,speaker,"speech");
}
return `<span>${txt}</span>`;
case "\'":
if(internal_data_flag) return `<span class="thought">${txt}</span>`;
if(speaker_regex){
let key = speaker_regex[0].slice(0,speaker_regex.indexOf(":")-1);
const speaker = this.get_narrator(key);
const mainFlag = speaker== this.narrator;
const dialouge = txt[0]+txt.slice(txt.indexOf("::")+2)
const d = `<span>${dialouge}</span>`
return this.speaker_bubble_div(d,mainFlag,speaker,"thought");
}else{
const d = `<span>${txt}</span>`
return this.speaker_bubble_div(d,true,this.narrator,"thought")
}
case "\~": return `<span class="description">${this.trim_deliminator(txt)}</span>`;
case "\*": return `<span class="action">${this.trim_deliminator(txt)}</span>`;
case "\`": return `<code class="code";>${this.trim_deliminator(txt)}</code>`;
}
}
speaker_bubble_div(txt,mainNB,speaker,type) {
return`<div class=" bubble ${mainNB?"narrator":"other"} ${mainNB?type:`${type}2`}">
<div class="bubble_label">${speaker}</div>
<div class="type" style="padding-${mainNB?'left':'right'}: 15;">${txt}</div>
</div>`
}
escapeHtml (unsafe) {
return unsafe.replaceAll('<', '<').replaceAll('>', '>').replaceAll('"', '"').replaceAll("'", ''');
}
}
module.exports={MDX_PARSER};