course-renderer/src/markdown/handlers/section.ts

Manages CA School Courses file system storage and HTML conversion

import Token from '../Token'
import Reader from '../reader'
import * as rules from '../rules'
import { series, question, repl, text, HandlerOptionInterface } from '../handlers'

const SECTION_MARKER = 0x2B /* + */

export function section(reader: Reader, tokens: Token[], silent: boolean = false, options: HandlerOptionInterface): boolean {
    let pos = reader.getCurrentLineStartPos()

    if (reader.getCharCode(pos++) !== SECTION_MARKER
        || reader.getCharCode(pos++) !== SECTION_MARKER
        || reader.getCharCode(pos++) !== SECTION_MARKER ) {
            return false
        }
    
    if (silent) return true

    if (options.sectionMode) {
        options.sectionMode = false

        reader.nextNonEmptyLines()
        return true
    } else {
        reader.nextNonEmptyLines()

        options.sectionMode = true        

        const start = reader.currentLine
        
        while(!reader.isEnd()) {
            if (question(reader, tokens, true, options) || series(reader, tokens, true, options)) break
    
            reader.nextLine()
        }
    
        reader.currentLine--
    
        const label = reader.getLines(start, reader.currentLine)
        const token = new Token('SECTION')
        token.setContent(label)
        token.setChapter(options.chapter)

        tokens.push(token)

        reader.nextNonEmptyLines()

        return true
    }
}