110 lines
4.4 KiB
Common Lisp
110 lines
4.4 KiB
Common Lisp
;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: ODD-STREAMS; Base: 10 -*-
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;;; $Header: /usr/local/cvsrep/odd-streams/conditions.lisp,v 1.5 2007/12/31 01:08:45 edi Exp $
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;;; Copyright (c) 2008-2012, Dr. Edmund Weitz. All rights reserved.
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;;; Redistribution and use in source and binary forms, with or without
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;;; modification, are permitted provided that the following conditions
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;;; are met:
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;;; * Redistributions of source code must retain the above copyright
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;;; notice, this list of conditions and the following disclaimer.
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;;; * Redistributions in binary form must reproduce the above
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;;; copyright notice, this list of conditions and the following
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;;; disclaimer in the documentation and/or other materials
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;;; provided with the distribution.
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;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
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;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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;;; ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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(in-package :drakma)
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(define-condition drakma-condition (condition)
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()
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(:documentation "Superclass for all conditions related to Drakma."))
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(define-condition drakma-error (drakma-condition error)
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()
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(:documentation "Superclass for all errors related to Drakma."))
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(define-condition drakma-simple-error (drakma-error simple-condition)
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()
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(:documentation "Like DRAKMA-ERROR but with formatting capabilities."))
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(define-condition drakma-warning (drakma-condition warning)
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()
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(:documentation "Superclass for all warnings related to Drakma."))
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(define-condition drakma-simple-warning (drakma-warning simple-condition)
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()
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(:documentation "Like DRAKMA-WARNING but with formatting capabilities."))
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(defun drakma-warn (format-control &rest format-arguments)
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"Signals a warning of type DRAKMA-SIMPLE-WARNING with the
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provided format control and arguments."
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(warn 'drakma-simple-warning
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:format-control format-control
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:format-arguments format-arguments))
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(define-condition parameter-error (drakma-simple-error)
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()
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(:documentation "Signalled if a function was called with
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inconsistent or illegal parameters."))
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(defun parameter-error (format-control &rest format-arguments)
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"Signals an error of type PARAMETER-ERROR with the provided
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format control and arguments."
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(error 'parameter-error
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:format-control format-control
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:format-arguments format-arguments))
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(define-condition syntax-error (drakma-simple-error)
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()
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(:documentation "Signalled if Drakma encounters wrong or unknown
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syntax when reading the reply from the server."))
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(defun syntax-error (format-control &rest format-arguments)
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"Signals an error of type SYNTAX-ERROR with the provided
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format control and arguments."
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(error 'syntax-error
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:format-control format-control
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:format-arguments format-arguments))
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(define-condition cookie-error (drakma-simple-error)
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((cookie :initarg :cookie
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:initform nil
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:reader cookie-error-cookie
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:documentation "The COOKIE object that provoked this error.
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Can be NIL in case such an object couldn't be initialized."))
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(:documentation "Signalled if someone tries to create a COOKIE object that's not valid."))
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(defun cookie-error (cookie format-control &rest format-arguments)
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"Signals an error of type COOKIE-ERROR with the provided cookie
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\(can be NIL), format control and arguments."
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(error 'cookie-error
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:cookie cookie
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:format-control format-control
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:format-arguments format-arguments))
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(define-condition cookie-date-parse-error (cookie-error)
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()
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(:documentation "Signalled if Drakma tries to parse the date of an
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incoming cookie header and can't interpret it."))
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(defun cookie-date-parse-error (format-control &rest format-arguments)
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"Signals an error of type COOKIE-DATE-PARSE-ERROR with the provided
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format control and arguments."
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(error 'cookie-date-parse-error
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:format-control format-control
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:format-arguments format-arguments))
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