206 lines
6.7 KiB
TypeScript
206 lines
6.7 KiB
TypeScript
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const excludesDat = ['<','>','{','}','[',']','(',')','-',':',';','…','—','–','_','*','+','/','\\','|','!','?','.',',',' ']
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const symbols = ['<','>','{','}','[',']','(',')','-',':',';','…','—','–','_','*','+','/','\\','|','!','?','.',',',' ', '\n', '。', '、', '！', '？', '，', '；', '：', '（', '）', '【', '】', '「', '」', '『', '』', '“', '”', '‘', '’', '《', '》', '〈', '〉', '‹', '›', '«', '»', '‟', '„']
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const selfClosingTags = [
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'br','hr','img','input','meta','link','base','area','col','command','embed','keygen','param','source','track','wbr',
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//self closing tags defined by HTML5
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'!',
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//for doctype <!DOCTYPE html> and comment <!-- -->
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'user', 'bot', 'char'
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//special tags for user, bot, and char
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]
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const checkSelfClosingTag = (dat:string) => {
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dat = dat.substring(0, 10) //we only need to check the first 10 characters, to avoid checking the whole string
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dat = dat.toLowerCase() //we don't care about the case
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for(const tag of selfClosingTags){
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if(dat.startsWith(tag)){
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return true
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}
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}
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return false
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}
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export function risuFormater(dat:string){
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const lines:[string,string][] = [['','']] // [type, content]
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let htmlType = 0 // 0: not inside tag, 1: closing tag, 2: opening tag
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for(let i=0;i<dat.length;i++){
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const getLastLine = () => {
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return lines[lines.length-1] ?? [
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'not-found', ''
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]
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}
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//html tag handling
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if(dat[i] === '<' && getLastLine()[0] !== 'code-block'){
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lines.push(['html-tag',''])
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if(dat[i+1] === '/'){
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htmlType = 1
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}
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else{
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htmlType = 2
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}
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}
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if(dat[i] === '>' && getLastLine()[0] === 'html-tag'){
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const pop = lines.pop()
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const tagAttr = pop[1].substring(1).trim()
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if(htmlType === 1){
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const pop2 = lines.pop() //probably html-inner
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const chunk = pop2[1] + pop[1] + '>'
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if(getLastLine()[0] === ''){
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lines.push(['html-chunk',chunk])
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lines.push(['',''])
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}
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else{
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getLastLine()[1] += chunk
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}
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continue
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}
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else if(checkSelfClosingTag(tagAttr)){
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const chunk = pop[1] + '>'
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if(getLastLine()[0] === ''){
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lines.push(['html-chunk',chunk])
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lines.push(['',''])
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}
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else{
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getLastLine()[1] += chunk
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}
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continue
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}
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else{
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lines.push(['html-inner',pop[1]])
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}
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htmlType = 0
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}
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//code block handling
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if(dat[i] === '`' && dat[i+1] === '`' && dat[i+2] === '`' && getLastLine()[0] === ''){
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if(getLastLine()[0] === 'code-block'){
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getLastLine()[1] += '```'
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lines.push(['',''])
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}
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else{
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lines.push(['code-block','```'])
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}
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i += 2
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continue
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}
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if(dat[i] === '\n' && getLastLine()[0] === ''){
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lines.push(['newline','\n'])
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lines.push(['',''])
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}
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else if(lines[lines.length-1]){
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lines[lines.length-1][1] += dat[i]
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}
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}
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let result = ''
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for(let i=0;i<lines.length;i++){
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if(lines[i][0] !== ''){
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result += lines[i][1]
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continue
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}
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let line = lines[i][1] ??''
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let isNumbered = false
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let endMarked = false
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if(excludesDat.includes(line[0]) || (line[1] === '.' && ['1','2','3','4','5','6','7','8','9'].includes(line[0]))){
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isNumbered = true
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}
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if(line.endsWith('>') || line.endsWith('}') || line.startsWith('<')){
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endMarked = true
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}
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if(isNumbered || endMarked){
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result += line
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continue
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}
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let depth = 0
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let depthChunk:string[] = ['']
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let depthChunkType:string[] = ['']
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//spaces for detection
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line = ' ' + line + ' '
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const isNotCharacter = (t:string) => {
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return symbols.includes(t)
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}
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for(let j=0;j<line.length;j++){
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switch(line[j]){
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case '"':
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case '“':
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case '”':{
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if(depthChunkType[depth] === '"'){
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depthChunkType.pop()
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const pop = depthChunk.pop()
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depth--
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depthChunk[depth] += `<mark risu-mark="quote2">${pop}${line[j]}</mark>`
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}
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else{
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depthChunkType.push('"')
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depthChunk.push(line[j])
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depth++
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}
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break
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}
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case "'":
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case '‘':
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case '’':{
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if(depthChunkType[depth] === "'"){
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if(isNotCharacter(line[j-1]) || !isNotCharacter(line[j+1]) || (line[j-2] === 'i' && line[j-1] === 'n')){
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//this is not a quote
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depthChunk[depth] += line[j]
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}
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else{
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depthChunkType.pop()
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const pop = depthChunk.pop()
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depth--
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depthChunk[depth] += `<mark risu-mark="quote1">${pop}${line[j]}</mark>`
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}
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}
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else{
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if(!isNotCharacter(line[j-1]) || isNotCharacter(line[j+1])){
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//this is not a quote
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depthChunk[depth] += line[j]
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}
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else{
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depthChunkType.push("'")
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depthChunk.push(line[j])
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depth++
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}
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}
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break
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}
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default:{
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depthChunk[depth] += line[j]
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}
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}
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}
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let lineResult = ''
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while(depthChunk.length > 0){
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lineResult = depthChunk.pop() + lineResult
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}
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if(lineResult.startsWith(' ')){
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lineResult = lineResult.substring(1)
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}
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if(lineResult.endsWith(' ')){
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lineResult = lineResult.substring(0,lineResult.length-1)
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}
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result += lineResult
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}
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return result.trim()
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} |