/* 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) {
   if (!params.name) {
    return Promise.reject(new Error('CMap name must be specified.'));
   }
   return new Promise(function (resolve, reject) {
    var url = this.baseUrl + params.name;
    var fs = require('fs');
    if (this.isCompressed) {
     url += '.bcmap';
    }
    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;