(declare (uses a))
;; pretend to be a config file processor
(use posix srfi-69)
;; (define getenv get-environment-variable)
(define (print-hash-table ht)
(print "ht=")
(pp (hash-table->alist ht)))
(define cfgdata (conc "(use simple-md5)"
"(import a)"
"(set! getenv get-environment-variable)"
"(hash-table-set! ht \"PATH\" (getenv \"PATH\"))"
"(hash-table-set! ht \"currdir\" (current-directory))"
"(hash-table-set! ht \"md5sum\" (string->md5sum \"Hello\"))"
;; in mtconfigf the below is not working
"(hash-table-set! ht \"var-tmp\" (a:normalize-dir \"/var/tmp\"))"))
(define (faux-cfg-processor ht cfgdata)
(let* ((proc-str (conc "(lambda (ht)" cfgdata ")")))
(with-input-from-string proc-str
(lambda ()
((eval (read)) ht)))))
(module cfgprocessor
*
(import ports data-structures chicken scheme files srfi-69 posix srfi-1)
(define (faux-cfg-processor-modularized ht cfgdata)
(let* ((proc-str (conc "(lambda (ht)" cfgdata ")")))
(with-input-from-string proc-str
(lambda ()
((eval (read)) ht)))))
)
(import cfgprocessor)
(import a)
(print "\nCan I run stuff from module \"a\":")
(print (a:normalize-dir "/var/tmp"))
(print "\nRun the non-modularized version")
(let ((ht (make-hash-table)))
(faux-cfg-processor ht cfgdata)
(print-hash-table ht))
(print "\nRun the modularized version")
(let ((ht (make-hash-table)))
(faux-cfg-processor-modularized ht cfgdata)
(print-hash-table ht))