[bknr-cvs] edi changed trunk/thirdparty/chunga/conditions.lisp

[BKNR Commits]

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."))