Revision: 4217 Author: edi URL: http://bknr.net/trac/changeset/4217
Forgot this file
A trunk/thirdparty/chunga/conditions.lisp
Added: trunk/thirdparty/chunga/conditions.lisp =================================================================== --- trunk/thirdparty/chunga/conditions.lisp (rev 0) +++ trunk/thirdparty/chunga/conditions.lisp 2009-02-10 09:32:46 UTC (rev 4217) @@ -0,0 +1,84 @@ +;;; -*- 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) 2008-2009, 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."))