rtf-parser/index.js

This is a general RTF parser. It takes a text stream and produces a document object representing the parsed document. In and of itself, this isn't super useful but it's the building block for other tools to convert RTF into other formats.

'use strict'
const RTFParser = require('./rtf-parser.js')
const RTFDocument = require('./rtf-document.js')
const RTFInterpreter = require('./rtf-interpreter.js')

module.exports = parse
parse.string = parseString
parse.stream = parseStream

function parseString (string, cb) {
  parse(cb).end(string)
}

function parseStream (stream, cb) {
  stream.pipe(parse(cb))
}

function parse (cb) {
  let errored = false
  const errorHandler = err => {
    if (errored) return
    errored = true
    parser.unpipe(interpreter)
    interpreter.end()
    cb(err)
  }
  const document = new RTFDocument()
  const parser = new RTFParser()
  parser.once('error', errorHandler)
  const interpreter = new RTFInterpreter(document)
  interpreter.on('error', errorHandler)
  interpreter.on('finish', () => {
    if (!errored) cb(null, document)
  })
  parser.pipe(interpreter)
  return parser
}