exceljs/dist/es5/xlsx/xform/strings/rich-text-xform.js

Excel Workbook Manager - Read and Write xlsx and csv Files.

/**
 * Copyright (c) 2015 Guyon Roche
 * LICENCE: MIT - please refer to LICENCE file included with this module
 * or https://github.com/guyonroche/exceljs/blob/master/LICENSE
 */

'use strict';

var TextXform = require('./text-xform');
var FontXform = require('../style/font-xform');

var utils = require('../../../utils/utils');
var BaseXform = require('../base-xform');

// <r>
//   <rPr>
//     <sz val="11"/>
//     <color theme="1" tint="5"/>
//     <rFont val="Calibri"/>
//     <family val="2"/>
//     <scheme val="minor"/>
//   </rPr>
//   <t xml:space="preserve"> is </t>
// </r>

var RichTextXform = module.exports = function (model) {
  this.model = model;
};

RichTextXform.FONT_OPTIONS = {
  tagName: 'rPr',
  fontNameTag: 'rFont'
};

utils.inherits(RichTextXform, BaseXform, {

  get tag() {
    return 'r';
  },

  get textXform() {
    return this._textXform || (this._textXform = new TextXform());
  },
  get fontXform() {
    return this._fontXform || (this._fontXform = new FontXform(RichTextXform.FONT_OPTIONS));
  },

  render: function render(xmlStream, model) {
    model = model || this.model;

    xmlStream.openNode('r');
    if (model.font) {
      this.fontXform.render(xmlStream, model.font);
    }
    this.textXform.render(xmlStream, model.text);
    xmlStream.closeNode();
  },

  parseOpen: function parseOpen(node) {
    if (this.parser) {
      this.parser.parseOpen(node);
      return true;
    }
    switch (node.name) {
      case 'r':
        this.model = {};
        return true;
      case 't':
        this.parser = this.textXform;
        this.parser.parseOpen(node);
        return true;
      case 'rPr':
        this.parser = this.fontXform;
        this.parser.parseOpen(node);
        return true;
      default:
        return false;
    }
  },
  parseText: function parseText(text) {
    if (this.parser) {
      this.parser.parseText(text);
    }
  },
  parseClose: function parseClose(name) {
    switch (name) {
      case 'r':
        return false;
      case 't':
        this.model.text = this.parser.model;
        this.parser = undefined;
        return true;
      case 'rPr':
        this.model.font = this.parser.model;
        this.parser = undefined;
        return true;
      default:
        if (this.parser) {
          this.parser.parseClose(name);
        }
        return true;
    }
  }
});
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