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|
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
(declare (unit configfmod))
;; (declare (uses mtargs))
;; (declare (uses debugprint))
;; (declare (uses keysmod))
(import srfi-1
;; scheme
(import scheme
chicken
extras
files
matchable
ports
srfi-1
srfi-13
srfi-69
posix
data-structures
regex
regex-case
)
(import debugprint
commonmod
processmod)
;; Run a shell command and return the output as a string
(define (shell cmd)
(let* ((output (process:cmd-run->list cmd))
(res (car output))
(status (cadr output)))
(if (equal? status 0)
(let ((outres (string-intersperse
res
"\n")))
(debug:print-info 4 *default-log-port* "shell result:\n" outres)
outres)
(begin ;; why is this printing to error-port and not using debug:print? -mrw-
(with-output-to-port (current-error-port)
(lambda ()
(print "ERROR: " cmd " returned bad exit code " status)))
""))))
;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
(if toppath
(let ((cfname (conc toppath "/" configname)))
(if (common:file-exists? cfname)
(list toppath cfname configname)
(list #f #f #f)))
(let* ((cwd (string-split (current-directory) "/")))
(let loop ((dir cwd))
(let* ((path (conc "/" (string-intersperse dir "/")))
(fullpath (conc path "/" configname)))
(if (common:file-exists? fullpath)
(list path fullpath configname)
(let ((remcwd (take dir (- (length dir) 1))))
(if (null? remcwd)
(list #f #f #f) ;; #f #f)
(loop remcwd)))))))))
(define (configf:assoc-safe-add alist key val #!key (metadata #f))
(let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist)))
(append newalist (list (if metadata
(list key val metadata)
(list key val))))))
;; this is used in megatestqa/ext.scm.
;; remove it from here and there by 12/31/21
;; (define config:assoc-safe-add configf:assoc-safe-add)
(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f))
(hash-table-set! cfgdat section-name
(configf:assoc-safe-add
(hash-table-ref/default cfgdat section-name '())
var value metadata: metadata)))
(define (configf:eval-string-in-environment str)
;; (if (or (string-null? str)
;; (equal? "!" (substring str 0 1))) ;; null string or starts with ! are preserved but NOT set in the environment
str
(handle-exceptions
exn
(begin
(debug:print-error 0 *default-log-port* "problem evaluating \"" str "\" in the shell environment, exn=" exn)
#f)
(let ((cmdres (process:cmd-run->list (conc "echo " str))))
(if (null? cmdres) ""
(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*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))
(define configf:settings (regexp "^\\[configf:settings\\s+(\\S+)\\s+(\\S+)]\\s*$"))
;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:system ht cmd)
(system cmd)
)
(define configf:imports "(import commonmod (prefix mtargs args:))")
(define (configf:cfgdat->env-alist section cfgdat-ht allow-system)
(filter
(lambda (pair)
(let* ((var (car pair))
(val (cdr pair)))
(cons var
(cond
((and allow-system (procedure? val)) ;; if we decided to use something other than #t or #f for allow-system ('return-procs or 'return-string) , this may become problematic
(val))
((procedure? val) #f)
((string? val) val)
(else "#f")))))
(append
(hash-table-ref/default cfgdat-ht "default" '())
(if (equal? section "default") '() (hash-table-ref/default cfgdat-ht section '())))))
(define (calc-allow-system allow-system section sections)
(if sections
(and (or (equal? "default" section)
(member section sections))
allow-system) ;; account for sections and return allow-system as it might be a symbol such as return-strings
allow-system))
;; given a config hash and a section name, apply that section to all matching sections (using wildcard % or regex if /..../)
;; remove the section when done so that there is no downstream clobbering
;;
(define (configf:apply-wildcards ht section-name)
(if (hash-table-exists? ht section-name)
(let* ((vars (hash-table-ref ht section-name))
(rxstr (if (string-contains section-name "%")
(string-substitute (regexp "%") ".*" section-name)
(string-substitute (regexp "^/(.*)/$") "\\1" section-name)))
(rx (regexp rxstr)))
;; (print "\nsection-name: " section-name " rxstr: " rxstr)
(for-each
(lambda (section)
(if section
(let ((same-section (string=? section-name section))
(rx-match (string-match rx section)))
;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match)
(if (and (not same-section) rx-match)
(for-each
(lambda (bundle)
;; (print "bundle: " bundle)
(let ((key (car bundle))
(val (cadr bundle))
(meta (if (> (length bundle) 2)(caddr bundle) #f)))
(hash-table-set! ht section (configf:assoc-safe-add (hash-table-ref ht section) key val metadata: meta))))
vars)))))
(hash-table-keys ht))))
ht)
(define (configf:lookup cfgdat section var)
(if (hash-table? cfgdat)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
#f
(let ((match (assoc var sectdat)))
(if match ;; (and match (list? match)(> (length match) 1))
(cadr match)
#f))
))
#f))
;; use to have definitive setting:
;; [foo]
;; var yes
;;
;; big-chicken ;; more of a reminder than anything ...
;; chicken.base
;; chicken.condition
;; chicken.file
;; chicken.io
;; chicken.pathname
;; chicken.port
;; chicken.pretty-print
;; chicken.process
;; chicken.process-context
;; chicken.process-context.posix
;; chicken.sort
;; chicken.string
;; chicken.time
;; chicken.eval
;;
;; debugprint
;; (prefix mtargs args:)
;; pkts
;; keysmod
;;
;; (prefix base64 base64:)
;; (prefix dbi dbi:)
;; (prefix sqlite3 sqlite3:)
;; (srfi 18)
;; directory-utils
;; format
;; matchable
;; md5
;; message-digest
;; regex
;; regex-case
;; sparse-vectors
;; srfi-1
;; srfi-13
;; srfi-69
;; stack
;; typed-records
;; z3
)
|