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;;;-*- Mode:LISP; Package:CHAOS; Base:10; Syntax:Common-lisp -*-
;;;
;;; Copyright (c) 2000-2015, Toshimi Sawada. 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 :chaos)
#|==============================================================================
System: CHAOS
Module: chaos/tools
File: help.lisp
==============================================================================|#
#-:chaos-debug
(declaim (optimize (speed 3) (safety 0) #-GCL (debug 0)))
#+:chaos-debug
(declaim (optimize (speed 1) (safety 3) #-GCL (debug 3)))
;;;
;;; CafeOBJ interpreter On-Line HELP SYSTEM
;;;
(defvar *Help-DB* (make-hash-table :test #'equal))
(defun get-description (com-pat &optional (detail nil))
(let* ((sdesc (gethash com-pat *Help-DB*))
(syntax (first sdesc)))
(if sdesc
(concatenate 'string "~%[Syntax]: \"" syntax "\"~% "
(if detail
(third sdesc)
(second sdesc)))
nil)))
(defun read-help-db (path)
(clrhash *Help-DB*)
(with-open-file (strm path :if-does-not-exist :error)
(loop for entry = (read strm nil :eof)
while (not (eq entry :eof))
do (let ((keypat (first entry))
(syntax (second entry))
(simple (third entry))
(detail (fourth entry)))
(setf (gethash keypat *Help-DB*) (list syntax simple detail))))))
#|| not used
(defun setup-help-db ()
(let ((fname (chaos-probe-file "help" *chaos-libpath* '(".desc"))))
(unless fname
(error "Internal error, can't find help.desc"))
(read-help-db fname)))
||#
;;; EOF
|
