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(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))
(declare (uses commonmod))
(import commonmod)
(include "common_records.scm")
;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
(if toppath
(let ((cfname (conc toppath "/" configname)))
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(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))
(declare (uses commonmod))
(import commonmod)
(declare (uses configfmod))
(import configfmod)
(include "common_records.scm")
;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
(if toppath
(let ((cfname (conc toppath "/" configname)))
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(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 (config: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)
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(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: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)
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(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 (config:assoc-safe-add (hash-table-ref ht section) key val metadata: meta))))
vars)))))
(hash-table-keys ht))))
ht)
;; read a config file, returns hash table of alists
;; read a config file, returns hash table of alists
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(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)
;; read a config file, returns hash table of alists
;; read a config file, returns hash table of alists
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(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist
key
(case (calc-allow-system allow-system curr-section-name sections)
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))
metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name #f #f)))
(configf:key-no-val ( x key val)
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(fval (or (if (string? val) val #f) ""))) ;; fval should be either "" or " " (one or more spaces)
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = #t")
(safe-setenv key fval)
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key fval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name key #f)))
(configf:key-val-pr ( x key unk1 val unk2 )
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt
(string-search (regexp environ-patt) curr-section-name) ;; does the section match the envionpatt?
(and (not (string-null? key))
(not (equal? "!" (substring key 0 1)))) ;; ! as leading character is a signature to NOT export to the environment
;; (string-match "^.*:.*:.*$" key) ;; ;; something:something:something reserved for triggers in runconfigs
))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print-info 6 *default-log-port* "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar (safe-setenv key realval))
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = " val)
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key realval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name key #f)))
;; if a continued line
(configf:cont-ln-rx ( x whsp val )
(let ((alist (hash-table-ref/default res curr-section-name '())))
(if var-flag ;; if set to a string then we have a continued var
(let ((newval (conc
(configf:lookup res curr-section-name var-flag) "\n"
;; trim lead from the incoming whsp to support some indenting.
(if lead
(string-substitute (regexp lead) "" whsp)
"")
val)))
;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist var-flag newval metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name var-flag (if lead lead whsp)))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
(else (debug:print-error 0 *default-log-port* "problem parsing " path ",\n \"" inl "\"")
(set! var-flag #f)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
) ;; end loop
)))
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(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist
key
(case (calc-allow-system allow-system curr-section-name sections)
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))
metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name #f #f)))
(configf:key-no-val ( x key val)
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(fval (or (if (string? val) val #f) ""))) ;; fval should be either "" or " " (one or more spaces)
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = #t")
(safe-setenv key fval)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist key fval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name key #f)))
(configf:key-val-pr ( x key unk1 val unk2 )
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt
(string-search (regexp environ-patt) curr-section-name) ;; does the section match the envionpatt?
(and (not (string-null? key))
(not (equal? "!" (substring key 0 1)))) ;; ! as leading character is a signature to NOT export to the environment
;; (string-match "^.*:.*:.*$" key) ;; ;; something:something:something reserved for triggers in runconfigs
))
(realval (if envar
(configf:eval-string-in-environment val)
val)))
(debug:print-info 6 *default-log-port* "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar (safe-setenv key realval))
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = " val)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist key realval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name key #f)))
;; if a continued line
(configf:cont-ln-rx ( x whsp val )
(let ((alist (hash-table-ref/default res curr-section-name '())))
(if var-flag ;; if set to a string then we have a continued var
(let ((newval (conc
(configf:lookup res curr-section-name var-flag) "\n"
;; trim lead from the incoming whsp to support some indenting.
(if lead
(string-substitute (regexp lead) "" whsp)
"")
val)))
;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist var-flag newval metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name var-flag (if lead lead whsp)))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
(else (debug:print-error 0 *default-log-port* "problem parsing " path ",\n \"" inl "\"")
(set! var-flag #f)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
) ;; end loop
)))
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(if toppath (change-directory curr-dir))
(list configdat toppath configfile fname))))
;;======================================================================
;; lookup and manipulation routines
;;======================================================================
(define (config: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))))))
(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f))
(hash-table-set! cfgdat section-name
(config:assoc-safe-add
(hash-table-ref/default cfgdat section-name '())
var value metadata: metadata)))
(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
;;
;; (configf:var-is? cfgdat "foo" "var" "yes") => #t
;;
(define (configf:var-is? cfgdat section var expected-val)
(equal? (configf:lookup cfgdat section var) expected-val))
(define config-lookup configf:lookup)
(define configf:read-file read-config)
;; safely look up a value that is expected to be a number, return
;; a default (#f unless provided)
;;
(define (configf:lookup-number cfdat section varname #!key (default #f))
(let* ((val (configf:lookup *configdat* section varname))
(res (if val
(string->number (string-substitute "\\s+" "" val #t))
#f)))
(cond
(res res)
(val (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val))
(else default))))
(define (configf:section-vars cfgdat section)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
'()
(map car sectdat))))
(define (configf:get-section cfgdat section)
(hash-table-ref/default cfgdat section '()))
(define (configf:set-section-var cfgdat section var val)
(let ((sectdat (configf:get-section cfgdat section)))
(hash-table-set! cfgdat section
(config:assoc-safe-add sectdat var val))))
;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat)
;; (list var val))))
;;======================================================================
;; setup
;;======================================================================
(define (setup)
(let* ((configf (find-config "megatest.config"))
(config (if configf (read-config configf #f #t) #f)))
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(if toppath (change-directory curr-dir))
(list configdat toppath configfile fname))))
;;======================================================================
;; lookup and manipulation routines
;;======================================================================
;; (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))))))
;;
;; (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: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
;; ;;
;; ;; (configf:var-is? cfgdat "foo" "var" "yes") => #t
;; ;;
;; (define (configf:var-is? cfgdat section var expected-val)
;; (equal? (configf:lookup cfgdat section var) expected-val))
;;
;; (define config-lookup configf:lookup)
(define configf:read-file read-config)
;; ;; safely look up a value that is expected to be a number, return
;; ;; a default (#f unless provided)
;; ;;
;; (define (configf:lookup-number cfdat section varname #!key (default #f))
;; (let* ((val (configf:lookup *configdat* section varname))
;; (res (if val
;; (string->number (string-substitute "\\s+" "" val #t))
;; #f)))
;; (cond
;; (res res)
;; (val (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val))
;; (else default))))
;;
;; (define (configf:section-vars cfgdat section)
;; (let ((sectdat (hash-table-ref/default cfgdat section '())))
;; (if (null? sectdat)
;; '()
;; (map car sectdat))))
;;
;; (define (configf:get-section cfgdat section)
;; (hash-table-ref/default cfgdat section '()))
;;
;; (define (configf:set-section-var cfgdat section var val)
;; (let ((sectdat (configf:get-section cfgdat section)))
;; (hash-table-set! cfgdat section
;; (configf:assoc-safe-add sectdat var val))))
;;
;; ;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat)
;; ;; (list var val))))
;;
;;======================================================================
;; setup
;;======================================================================
(define (setup)
(let* ((configf (find-config "megatest.config"))
(config (if configf (read-config configf #f #t) #f)))
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