51 lines
1.4 KiB
Common Lisp
51 lines
1.4 KiB
Common Lisp
;;;; CLASH --- The Common Lisp Adaptable Simple HTTP server
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;;;; This is copyrighted software. See documentation for terms.
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;;;;
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;;;; readtable.cl --- Specialized Syntax/Readtable for CLASH
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;;;;
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;;;; Checkout Tag: $Name$
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;;;; $Id$
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(in-package :CLASH)
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;;;; %File Description:
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;;;;
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;;;; This file provides a specialized syntax (via a new readtable)
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;;;; that eases working with CLASH.
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;;;;
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(defun add-clash-syntax-to-readtable (readtable)
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"Modifies readtable to add all CLASH specific syntax."
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;; HTTP-Versions
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(set-dispatch-macro-character #\# #\H
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#'(lambda (stream subchar args)
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(declare (ignore subchar args))
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(let ((data (read stream t nil t)))
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(check-type data string)
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(parse-http-version data)))
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readtable)
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;; URL Parsing
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(set-dispatch-macro-character #\# #\U
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#'(lambda (stream subchar args)
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(declare (ignore subchar args))
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(let ((data (read stream t nil t)))
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(check-type data string)
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(parse-url-from-string data)))
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readtable)
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readtable)
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(defvar *clash-readtable*
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(add-clash-syntax-to-readtable (copy-readtable nil))
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"CLASH specific standard-readtable.")
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(defvar *saved-readtable* nil
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"Saved readtable.")
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(defun enable-clash-syntax ()
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(unless (eq *readtable* *clash-readtable*)
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(shiftf *saved-readtable* *readtable* *clash-readtable*)))
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(defun disable-clash-syntax ()
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(when (eq *readtable* *clash-readtable*)
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(setq *readtable* *saved-readtable*)))
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