Megatest

;; Config file handling
;;======================================================================

(use regex regex-case) ;;  directory-utils)
(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))

(include "common_records.scm")

;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
  (if toppath
      (let ((cfname (conc toppath "/" configname)))

	 (caar cmdres)))))

;;======================================================================
;; Make the regexp's needed globally available
;;======================================================================

(define configf:include-rx (regexp "^\\[include\\s+(.*)\\]\\s*$"))
(define configf:script-rx  (regexp "^\\[scriptinc\\s+(\\S+)([^\\]]*)\\]\\s*$")) ;; include output from a script
(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$"))
(define configf:blank-l-rx (regexp "^\\s*$"))
(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$"))
(define configf:key-val-pr (regexp "^(\\S+)(\\s+(.*)|())$"))
(define configf:key-no-val (regexp "^(\\S+)(\\s*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))

							      (read-config full-conf res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
							      ;; (pop-directory)
							      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
							    (begin
							      (debug:print '(2 9) #f "INFO: include file " include-file " not found (called from " path ")")
							      (debug:print 2 *default-log-port* "        " full-conf)
							      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))))
	       (configf:script-rx ( x include-script params);; handle-exceptions
                                  ;;    exn
                                  ;;    (begin
                                  ;;      (debug:print '(0 2 9) #f "INFO: include from script " include-script " failed.")
                                  ;;      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
							 (if (and (file-exists? include-script)(file-execute-access? include-script))
							     (let* ((new-inp-port (open-input-pipe (conc include-script " " params))))
							       (debug:print '(2 9) *default-log-port* "Including from script output: " include-script)
							      ;;  (print "We got here, calling read-config next. Port is: " new-inp-port)
							       (read-config new-inp-port res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
							       (close-input-port new-inp-port)
							       (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
							     (begin
							       (debug:print 0 *default-log-port* "Script not found or not exectutable: " include-script)

  (let ((ht (make-hash-table)))
    (for-each
     (lambda (section)
       (hash-table-set! ht (car section)(cdr section)))
     adat)
    ht))

;; if 
(define (configf:read-alist fname)
  (handle-exceptions
      exn
      #f
    (configf:alist->config
     (with-input-from-file fname read))))

(define (configf:write-alist cdat fname)
    (if (common:faux-lock fname)
        (let* ((dat  (configf:config->alist cdat))
               (res
                (begin
                  (with-output-to-file fname ;; first write out the file
                    (lambda ()
                      (pp dat)))
                  
                  (if (common:file-exists? fname)   ;; now verify it is readable
                      (if (configf:read-alist fname)
                          #t ;; data is good.
                          (begin
                            (handle-exceptions
                             exn
                             #f
                             (debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.")
                             (delete-file fname))
                            #f))
                      #f))))
          
          (common:faux-unlock fname)
          res)
        (begin
          (debug:print 0 *default-log-port* "WARNING: could not get faux-lock on " fname)
          #f)))

;; convert hierarchial list to ini format
;;
(define (configf:config->ini data)
  (map 
   (lambda (section)
     (let ((section-name (car section))