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;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name: files.cl
;;;; Purpose: File and directory functions for LML
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Aug 2002
;;;;
;;;; This file, part of LML, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
;;;; LML users are granted the rights to distribute and use this software
;;;; as governed by the terms of the GNU General Public License v2
;;;; (http://www.gnu.org/licenses/gpl.html)
;;;; *************************************************************************
(in-package #:lml)
(eval-when (:compile-toplevel :load-toplevel :execute)
(defvar *output-dir* nil)
(defvar *sources-dir* nil)
)
(defvar *html-output* *standard-output*)
(defun lml-file-name (f &optional (type :source))
(when (and (consp f) (eql (car f) 'cl:quote))
(setq f (cadr f)))
(when (symbolp f)
(setq f (string-downcase (symbol-name f))))
(when (stringp f)
(unless (position #\. f)
(setq f (concatenate 'string f ".html"))))
(if *sources-dir*
(make-pathname :defaults (ecase type
(:source *sources-dir*)
(:output *output-dir*))
:name (pathname-name f)
:type (pathname-type f))
(if (stringp f)
(nth-value 0 (parse-namestring f))
f)))
(defmacro with-dir ((output &key sources) &body body)
(let ((output-dir (gensym))
(sources-dir (gensym)))
`(let ((,output-dir ,output)
(,sources-dir ,sources))
(when (stringp ,output-dir)
(setq ,output-dir (parse-namestring ,output-dir)))
(when (stringp ,sources-dir)
(setq ,sources-dir (parse-namestring ,sources-dir)))
(unless ,sources-dir
(setq ,sources-dir ,output-dir))
(let ((*output-dir* ,output-dir)
(*sources-dir* ,sources-dir))
,@body))))
(defun lml-load-path (file)
(if (probe-file file)
(with-open-file (in file :direction :input)
(do ((form (read in nil 'eof) (read in nil 'eof)))
((eq form 'eof))
(eval form)))
(format *trace-output* "Warning: unable to load LML file ~S" file)))
(defun process-dir (dir &key sources)
(with-dir (dir :sources sources)
(let ((lml-files (directory
(make-pathname :defaults *sources-dir*
:name :wild
:type "lml"))))
(dolist (file lml-files)
(format *trace-output* "~&; Processing ~A~%" file)
(lml-load-path file)))))
(defun lml-load (file)
(lml-load-path (eval `(lml-file-name ,file :source))))
(defun include-file (file)
(print-file-contents file *html-output*))
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