course-renderer/src/markdown/parser.ts

Manages CA School Courses file system storage and HTML conversion

import Token from './Token'
import { isSpace, isLineFeed } from './utils'
import Reader from './reader'
import * as handler from './handlers'

//import * as handlers from './handlers'


module.exports = (src: string, chapter: string) => {
    const tokens: Token[] = []

    let pos = 0 // Initial character position.

    const reader = new Reader(src)
    const rules: any[] = [
        handler.section,
        handler.repl,        
        handler.question,
        handler.series,
        handler.text
    ]

    const options: handler.HandlerOptionInterface = {
        "sectionMode": false,
        "replMode" : false,
        "chapter": chapter
    }

    while (!reader.isEnd()) {
        _parse(reader, tokens, rules, options)
    }

    return tokens
}

function _parse(reader: Reader, tokens: Token[], rules: any[], options: handler.HandlerOptionInterface) {
    let handled = false
    for (let index = 0; index < rules.length; index++) {
        const handler = rules[index]
        if (handler(reader, tokens, false, options)) {
            handled = true
            break
        }
    }

    if (!handled) {
        console.error(`Unable to handle the current line ${reader.currentLine} of chapter ${options.chapter}`)
    }
}