pdfjs-dist/lib/test/unit/test_utils.js

/* Copyright 2017 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.
 */
'use strict';

var sharedUtil = require('../../shared/util.js');
var CMapCompressionType = sharedUtil.CMapCompressionType;
var NodeCMapReaderFactory = function NodeCMapReaderFactoryClosure() {
  function NodeCMapReaderFactory(params) {
    this.baseUrl = params.baseUrl || null;
    this.isCompressed = params.isCompressed || false;
  }
  NodeCMapReaderFactory.prototype = {
    fetch: function (params) {
      var name = params.name;
      if (!name) {
        return Promise.reject(new Error('CMap name must be specified.'));
      }
      return new Promise(function (resolve, reject) {
        var url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
        var fs = require('fs');
        fs.readFile(url, function (error, data) {
          if (error || !data) {
            reject(new Error('Unable to load ' + (this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
            return;
          }
          resolve({
            cMapData: new Uint8Array(data),
            compressionType: this.isCompressed ? CMapCompressionType.BINARY : CMapCompressionType.NONE
          });
        }.bind(this));
      }.bind(this));
    }
  };
  return NodeCMapReaderFactory;
}();
exports.NodeCMapReaderFactory = NodeCMapReaderFactory;