;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: ODD-STREAMS; Base: 10 -*- ;;; $Header: /usr/local/cvsrep/odd-streams/conditions.lisp,v 1.5 2007/12/31 01:08:45 edi Exp $ ;;; Copyright (c) 2008-2010, Dr. Edmund Weitz. All rights reserved. ;;; Redistribution and use in source and binary forms, with or without ;;; modification, are permitted provided that the following conditions ;;; are met: ;;; * Redistributions of source code must retain the above copyright ;;; notice, this list of conditions and the following disclaimer. ;;; * Redistributions in binary form must reproduce the above ;;; copyright notice, this list of conditions and the following ;;; disclaimer in the documentation and/or other materials ;;; provided with the distribution. ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED ;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ;;; ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. (in-package :chunga) (define-condition chunga-condition (condition) () (:documentation "Superclass for all conditions related to Chunga.")) (define-condition chunga-error (chunga-condition stream-error) () (:documentation "Superclass for all errors related to Chunga. This is a subtype of STREAM-ERROR, so STREAM-ERROR-STREAM can be used to access the offending stream.")) (define-condition chunga-simple-error (chunga-error simple-condition) () (:documentation "Like CHUNGA-ERROR but with formatting capabilities.")) (define-condition parameter-error (chunga-simple-error) () (:documentation "Signalled if a function was called with inconsistent or illegal parameters.")) (define-condition syntax-error (chunga-simple-error) () (:documentation "Signalled if Chunga encounters wrong or unknown syntax when reading data.")) (define-condition chunga-warning (chunga-condition warning) () (:documentation "Superclass for all warnings related to Chunga.")) (define-condition chunga-simple-warning (chunga-warning simple-condition) () (:documentation "Like CHUNGA-WARNING but with formatting capabilities.")) (define-condition input-chunking-unexpected-end-of-file (chunga-error) () (:documentation "A condition of this type is signaled if we reach an unexpected EOF on a chunked stream with input chunking enabled.")) (define-condition input-chunking-body-corrupted (chunga-error) ((last-char :initarg :last-char :documentation "The \(unexpected) character which was read.") (expected-chars :initarg :expected-chars :documentation "The characters which were expected. A list of characters or one single character.")) (:report (lambda (condition stream) (with-slots (last-char expected-chars) condition (format stream "Chunked stream ~S seems to be corrupted. Read character ~S, but expected ~:[a member of ~S~;~S~]." (stream-error-stream condition) last-char (atom expected-chars) expected-chars)))) (:documentation "A condition of this type is signaled if an unexpected character \(octet) is read while reading from a chunked stream with input chunking enabled."))