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author | dos-reis <gdr@axiomatics.org> | 2007-08-14 05:14:52 +0000 |
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committer | dos-reis <gdr@axiomatics.org> | 2007-08-14 05:14:52 +0000 |
commit | ab8cc85adde879fb963c94d15675783f2cf4b183 (patch) | |
tree | c202482327f474583b750b2c45dedfc4e4312b1d /src/interp/fname.lisp.pamphlet | |
download | open-axiom-ab8cc85adde879fb963c94d15675783f2cf4b183.tar.gz |
Initial population.
Diffstat (limited to 'src/interp/fname.lisp.pamphlet')
-rw-r--r-- | src/interp/fname.lisp.pamphlet | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/interp/fname.lisp.pamphlet b/src/interp/fname.lisp.pamphlet new file mode 100644 index 00000000..0a6ccc04 --- /dev/null +++ b/src/interp/fname.lisp.pamphlet @@ -0,0 +1,122 @@ +\documentclass{article} +\usepackage{axiom} +\begin{document} +\title{\$SPAD/src/interp fname.lisp} +\author{Stephen M. Watt, Timothy Daly} +\maketitle +\begin{abstract} +\end{abstract} +\eject +\tableofcontents +\eject +\section{License} +<<license>>= +;; Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. +;; 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. +;; +;; - Neither the name of The Numerical ALgorithms Group Ltd. nor the +;; names of its contributors may be used to endorse or promote products +;; derived from this software without specific prior written permission. +;; +;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +;; IS" AND ANY EXPRESS 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 COPYRIGHT OWNER +;; OR CONTRIBUTORS 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. + +@ +<<*>>= +<<license>> + +;; +;; Lisp support for cleaned up FileName domain. +;; +;; Created: June 20, 1991 (Stephen Watt) +;; + +(in-package "BOOT") + +;; E.g. "/" "/u/smwatt" "../src" +(defun |DirToString| (d) + (cond + ((equal d '(:root)) "/") + ((null d) "") + ('t (string-right-trim "/" (namestring (make-pathname :directory d)))) )) + +(defun |StringToDir| (s) + (cond + ((string= s "/") '(:root)) + ((string= s "") nil) + ('t + (let ((lastc (aref s (- (length s) 1)))) + (if (char= lastc #\/) + (pathname-directory (concat s "name.type")) + (pathname-directory (concat s "/name.type")) ))) )) + +(defun |myWritable?| (s) + (if (not (stringp s)) (|error| "``myWritable?'' requires a string arg.")) + (if (string= s "") (setq s ".")) + (if (not (|fnameExists?| s)) (setq s (|fnameDirectory| s))) + (if (string= s "") (setq s ".")) + (if (> (|writeablep| s) 0) 't nil) ) + +(defun |fnameMake| (d n e) + (if (string= e "") (setq e nil)) + (make-pathname :directory (|StringToDir| d) :name n :type e)) + +(defun |fnameDirectory| (f) + (|DirToString| (pathname-directory f))) + +(defun |fnameName| (f) + (let ((s (pathname-name f))) + (if s s "") )) + +(defun |fnameType| (f) + (let ((s (pathname-type f))) + (if s s "") )) + +(defun |fnameExists?| (f) + (if (probe-file (namestring f)) 't nil)) + +(defun |fnameReadable?| (f) +#+:CCL (file-readablep f) +#-:CCL + (let ((s (open f :direction :input :if-does-not-exist nil))) + (cond (s (close s) 't) ('t nil)) ) + ) + +(defun |fnameWritable?| (f) + (|myWritable?| (namestring f)) ) + +(defun |fnameNew| (d n e) + (if (not (|myWritable?| d)) + nil + (do ((fn)) + (nil) + (setq fn (|fnameMake| d (string (gensym n)) e)) + (if (not (probe-file (namestring fn))) + (return-from |fnameNew| fn)) ))) +@ +\eject +\begin{thebibliography}{99} +\bibitem{1} nothing +\end{thebibliography} +\end{document} |