rtf-document.js

'use strict'
const RTFGroup = require('./rtf-group.js')
const RTFParagraph = require('./rtf-paragraph.js')

class RTFDocument extends RTFGroup {
  constructor () {
    super()
    this.charset = 'ASCII'
    this.ignorable = false
    this.marginLeft = 1800
    this.marginRight = 1800
    this.marginBottom = 1440
    this.marginTop = 1440
    this.style = {
      font: 0,
      fontSize: 24,
      bold: false,
      italic: false,
      underline: false,
      strikethrough: false,
      foreground: null,
      background: null,
      firstLineIndent: 0,
      indent: 0,
      align: 'left',
      valign: 'normal'
    }
  }
  get (name) {
    return this[name]
  }
  getFont (num) {
    return this.fonts[num]
  }
  getColor (num) {
    return this.colors[num]
  }
  getStyle (name) {
    if (!name) return this.style
    return this.style[name]
  }
  addContent (node) {
    if (node instanceof RTFParagraph) {
      while (this.content.length && !(this.content[this.content.length - 1] instanceof RTFParagraph)) {
        node.content.unshift(this.content.pop())
      }
      super.addContent(node)
      if (node.content.length) {
        const initialStyle = node.content[0].style
        const style = {}
        style.font = this.getFont(initialStyle.font)
        style.foreground = this.getColor(initialStyle.foreground)
        style.background = this.getColor(initialStyle.background)
        for (let prop of Object.keys(initialStyle)) {
          if (initialStyle[prop] == null) continue
          let match = true
          for (let span of node.content) {
            if (initialStyle[prop] !== span.style[prop]) {
              match = false
              break
            }
          }
          if (match) style[prop] = initialStyle[prop]
        }
        node.style = style
      }
    } else {
      super.addContent(node)
    }
  }
}

module.exports = RTFDocument