DataForm.prototype.preprocess = function (paths, formSchema) {
  var outPath = {},
    hiddenFields = [],
    listFields = [];

  for (var element in paths) {
    if (paths.hasOwnProperty(element) && element !== '__v') {
      // check for schemas
      if (paths[element].schema) {
        var subSchemaInfo = this.preprocess(paths[element].schema.paths);
        outPath[element] = {schema: subSchemaInfo.paths};
        if (paths[element].options.form) {
          outPath[element].options = {form: extend(true, {}, paths[element].options.form)};
        }
      } else {
        // check for arrays
        var realType = paths[element].caster ? paths[element].caster : paths[element];
        if (!realType.instance) {

          if (realType.options.type) {
            var type = realType.options.type(),
              typeType = typeof type;

            if (typeType === 'string') {
              realType.instance = (!isNaN(Date.parse(type))) ? 'Date' : 'String';
            } else {
              realType.instance = typeType;
            }
          }
        }
        outPath[element] = extend(true, {}, paths[element]);
        if (paths[element].options.secure) {
          hiddenFields.push(element);
        }
        if (paths[element].options.match) {
          outPath[element].options.match = paths[element].options.match.source;
        }
        var schemaListInfo = paths[element].options.list;
        if (schemaListInfo) {
          var listFieldInfo:ListField = {field: element};
          if (typeof schemaListInfo === 'object' && Object.keys(schemaListInfo).length > 0) {
            listFieldInfo.params = schemaListInfo;
          }
          listFields.push(listFieldInfo);
        }
      }
    }
  }
  outPath = this.applySchemaSubset(outPath, formSchema);
  var returnObj : any = {paths: outPath};
  if (hiddenFields.length > 0) {
    returnObj.hide = hiddenFields;
  }
  if (listFields.length > 0) {
    returnObj.listFields = listFields;
  }
  return returnObj;
};

 doc.save(function (err, doc2) {
   if (err) {
     var err2 : any = {status: 'err'};
     if (!err.errors) {
       err2.message = err.message;
     } else {
       extend(err2, err);
     }
     if (debug) {
       console.log('Error saving record: ' + JSON.stringify(err2));
     }
     res.status(400).send(err2);
   } else {
     doc2 = doc2.toObject();
     for (var hiddenField in hiddenFields) {
       if (hiddenFields.hasOwnProperty(hiddenField) && hiddenFields[hiddenField]) {
         var parts = hiddenField.split('.');
         var lastPart = parts.length - 1;
         var target = doc2;
         for (var i = 0; i < lastPart; i++) {
           if (target.hasOwnProperty(parts[i])) {
             target = target[parts[i]];
           }
         }
         if (target.hasOwnProperty(parts[lastPart])) {
           delete target[parts[lastPart]];
         }
       }
     }
     res.send(doc2);
   }
 });

	loadPlugins(options?: ConfigurationOptions) {
		if (!options) {
			return this;
		}
		var result = extend(true, this, options);
		(options.plugins || []).forEach(pluginPath => {
			extend(true, result, this.tryLoadingPlugin(pluginPath)(result));
		});
		return result;
	}

			fs.readFile(file, { encoding: this.options.encoding }, (err, contents) => {
				if (err) {
					this.emit('error', err);
				}
				var rawSettings = this.options.editor_config ? ec.parse(file) : {};
				rawSettings = extend(rawSettings, this.options.settings);

				var settings = this.settingFactory.createSettings(rawSettings);
				var settingProvider = new SettingProvider(rawSettings, settings);
				this.createUniqueRules(settingProvider, settings).forEach(rule => {
					callback(contents, rule);
				});
			});

  return _.bind(function (req, res, next) {
    if (!(req.resource = this.getResource(req.params.resourceName))) {
      return next();
    }

    var reportSchema,
      self = this,
      urlParts = url.parse(req.url, true);

    if (req.params.reportName) {
      reportSchema = req.resource.model.schema.statics['report'](req.params.reportName, req);
    } else if (urlParts.query.r) {
      switch (urlParts.query.r[0]) {
        case '[':
          reportSchema = {pipeline: JSON.parse(urlParts.query.r)};
          break;
        case '{':
          reportSchema = JSON.parse(urlParts.query.r);
          break;
        default:
          return self.renderError(new Error('Invalid "r" parameter'), null, req, res, next);
      }
    } else {
      var fields = {};
      for (var key in req.resource.model.schema.paths) {
        if (req.resource.model.schema.paths.hasOwnProperty(key)) {
          if (key !== '__v' && !req.resource.model.schema.paths[key].options.secure) {
            if (key.indexOf('.') === -1) {
              fields[key] = 1;
            }
          }
        }
      }
      reportSchema = {pipeline: [
        {$project: fields}
      ], drilldown: req.params.resourceName + '/|_id|/edit'};
    }

    // Replace parameters in pipeline
    var schemaCopy : any = {};
    extend(schemaCopy, reportSchema);
    schemaCopy.params = schemaCopy.params || [];

    self.reportInternal(req, req.resource, schemaCopy, urlParts, function (err, result) {
      if (err) {
        self.renderError(err, null, req, res, next);
      } else {
        res.send(result);
      }
    });
  }, this);

	export function compile(options: IConfigurationOptions, files: string[],
		callback: (exitCode: number) => void) {

		var compiler = new Compiler(new Configuration(extend({}, config.raw, options)));
		compiler.compile(files, (err, results) => {
			if (err) {
				throw err;
			}
			var count = results.length;
			results.forEach(result => {
				fs.writeFile(result.dest, result.contents, (err2) => {
					if (err2) {
						throw err2;
					}
					if (--count === 0) {
						callback(0);
					}
				});
			});
		});
	}

		(options.plugins || []).forEach(pluginPath => {
			extend(true, result, this.tryLoadingPlugin(pluginPath)(result));
		});

const HMACKeyLength:number = 32;
const BlockSize:number = 16;

const GCMTagSize:number = 16;
const GCMStandardNonceSize:number = 12;

const ECIESKDFOutput = 512; // bits
const IVLength = 16; // bytes
const AESBlockLength = 16;

const CURVE_P_256_Size = 256;
const CURVE_P_384_Size = 384;

// variables
// #region Merging function/object declarations for ASN1js and PKIjs
var asn1js = merge(true, _asn1js, common);
var x509schema = merge(true, _x509schema, asn1js);
var pkijs_1 = merge(true, _pkijs, asn1js);
var pkijs = merge(true, pkijs_1, x509schema);

/**
 * The crypto class contains implementations of various crypto primitives.
 */
export class Crypto {

    private hashAlgorithm:string;
    private securityLevel:number;
    private curveName:string;
    private suite:string;
    private hashFunction:any;
    private hashFunctionKeyDerivation:any;