errors.js

const util = require('util');

/****************************************************************************
 * UnimplementedEmberType error
 ***************************************************************************/

function UnimplementedEmberTypeError(tag) {
    Error.captureStackTrace(this, this.constructor);
    this.name = this.constructor.name;
    var identifier = (tag & 0xC0) >> 6;
    var value = (tag & 0x1F).toString();
    var tagStr = tag.toString();
    if(identifier == 0) {
        tagStr = "[UNIVERSAL " + value + "]";
    } else if(identifier == 1) {
        tagStr = "[APPLICATION " + value + "]";
    } else if(identifier == 2) {
        tagStr = "[CONTEXT " + value + "]";
    } else {
        tagStr = "[PRIVATE " + value + "]";
    }
    this.message = "Unimplemented EmBER type " + tagStr;
}

util.inherits(UnimplementedEmberTypeError, Error);
module.exports.UnimplementedEmberTypeError = UnimplementedEmberTypeError;


function ASN1Error(message) {
    Error.captureStackTrace(this, this.constructor);
    this.name = this.constructor.name;
    this.message = message;
}

util.inherits(ASN1Error, Error);
module.exports.ASN1Error = ASN1Error;

function EmberAccessError(message) {
    Error.captureStackTrace(this, this.constructor);
    this.name = this.constructor.name;
    if(this.message !== undefined) {
        this.message = message;
    } else {
        this.message("Parameter access error");
    }
}

util.inherits(EmberAccessError, Error);
module.exports.EmberAccessError = EmberAccessError;

function EmberTimeoutError(message) {
    Error.captureStackTrace(this, this.constructor);
    this.name = this.constructor.name;
    this.message = message;
}

util.inherits(EmberTimeoutError, Error);
module.exports.EmberTimeoutError = EmberTimeoutError;