exceljs/lib/xlsx/xform/strings/text-xform.js

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

/**
 * Copyright (c) 2016 Guyon Roche
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

'use strict';

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

//   <t xml:space="preserve"> is </t>

var TextXform = module.exports = function() {
};

utils.inherits(TextXform, BaseXform, {

  get tag() { return 't'; },

  render: function(xmlStream, model) {
    xmlStream.openNode('t');
    if ((model[0] === ' ') || (model[model.length-1] === ' ')) {
      xmlStream.addAttribute('xml:space', 'preserve');
    }
    xmlStream.writeText(model);
    xmlStream.closeNode();
  },
  
  get model() {
    return this._text.join('');
  },

  parseOpen: function(node) {
    switch(node.name) {
      case 't':
        this._text = [];
        return true;
      default:
        return false;
    }
  },
  parseText: function(text) {
    this._text.push(text);
  },
  parseClose: function() {
    return false;
  }
});