text: /* Copyright 2021 Mozilla Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import { $globalData, $toHTML } from "./xfa_object.js";
  import { Binder } from "./bind.js";
  import { DataHandler } from "./data.js";
  import { FontFinder } from "./fonts.js";
  import { warn } from "../../shared/util.js";
  import { XFAParser } from "./parser.js";
  
  class XFAFactory {
    constructor(data) {
      try {
        this.root = new XFAParser().parse(XFAFactory._createDocument(data));
        const binder = new Binder(this.root);
        this.form = binder.bind();
        this.dataHandler = new DataHandler(this.root, binder.getData());
        this.form[$globalData].template = this.form;
      } catch (e) {
        warn(`XFA - an error occured during parsing and binding: ${e}`);
      }
    }
  
    isValid() {
      return this.root && this.form;
    }
  
    _createPages() {
      try {
        this.pages = this.form[$toHTML]();
        this.dims = this.pages.children.map(c => {
          const { width, height } = c.attributes.style;
          return [0, 0, parseInt(width), parseInt(height)];
        });
      } catch (e) {
        warn(`XFA - an error occured during layout: ${e}`);
      }
    }
  
    getBoundingBox(pageIndex) {
      return this.dims[pageIndex];
    }
  
    get numberPages() {
      if (!this.pages) {
        this._createPages();
      }
      return this.dims.length;
    }
  
    setFonts(fonts) {
      this.form[$globalData].fontFinder = new FontFinder(fonts);
    }
  
    getPages() {
      if (!this.pages) {
        this._createPages();
      }
      const pages = this.pages;
      this.pages = null;
      return pages;
    }
  
    serializeData(storage) {
      return this.dataHandler.serialize(storage);
    }
  
    static _createDocument(data) {
      if (!data["/xdp:xdp"]) {
        return data["xdp:xdp"];
      }
      return Object.values(data).join("");
    }
  }
  
  export { XFAFactory };
  