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;; read a config file, returns hash table of alists
;; read a config file, returns hash table of alists
;; adds to ht if given (must be #f otherwise)
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
(define (read-config path ht allow-system #!key (environ-patt #f))
(debug:print 4 "INFO: read-config " path " allow-system " allow-system " environ-patt " environ-patt)
(if (not (file-exists? path))
(if (not ht)(make-hash-table) ht)
(curr-section-name "default")
(var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
(lead #f))
(if (eof-object? inl)
(begin
(close-input-port inp)
res)
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res) curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res) curr-section-name #f #f))
(configf:include-rx ( x include-file ) (begin
(read-config include-file res allow-system environ-patt: environ-patt)
(loop (configf:read-line inp res) curr-section-name #f #f)))
(configf:section-rx ( x section-name ) (loop (configf:read-line inp res) section-name #f #f))
(configf:key-sys-pr ( x key cmd ) (if allow-system
(let ((alist (hash-table-ref/default res curr-section-name '()))
(val-proc (lambda ()
(let* ((cmdres (cmd-run->list cmd))
(status (cadr cmdres))
(res (car cmdres)))
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;; read a config file, returns hash table of alists
;; read a config file, returns hash table of alists
;; adds to ht if given (must be #f otherwise)
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
(define (read-config path ht allow-system #!key (environ-patt #f)(curr-section #f))
(debug:print 4 "INFO: read-config " path " allow-system " allow-system " environ-patt " environ-patt " curr-section: " curr-section)
(if (not (file-exists? path))
(begin
(debug:print 4 "INFO: read-config - file not found " path " current path: " (current-directory))
(if (not ht)(make-hash-table) ht))
(let ((inp (open-input-file path))
(res (if (not ht)(make-hash-table) ht)))
(let loop ((inl (configf:read-line inp res)) ;; (read-line inp))
(curr-section-name (if curr-section curr-section "default"))
(var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
(lead #f))
(if (eof-object? inl)
(begin
(close-input-port inp)
res)
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res) curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res) curr-section-name #f #f))
(configf:include-rx ( x include-file ) (let ((curr-dir (current-directory)))
(change-directory (pathname-directory path))
(read-config include-file res allow-system environ-patt: environ-patt curr-section: curr-section-name)
(change-directory curr-dir)
(loop (configf:read-line inp res) curr-section-name #f #f)))
(configf:section-rx ( x section-name ) (loop (configf:read-line inp res) section-name #f #f))
(configf:key-sys-pr ( x key cmd ) (if allow-system
(let ((alist (hash-table-ref/default res curr-section-name '()))
(val-proc (lambda ()
(let* ((cmdres (cmd-run->list cmd))
(status (cadr cmdres))
(res (car cmdres)))
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(case allow-system
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))))
(loop (configf:read-line inp res) curr-section-name #f #f))
(loop (configf:read-line inp res) curr-section-name #f #f)))
(configf:key-val-pr ( x key val ) (let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt (string-match (regexp environ-patt) curr-section-name)))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(if envar
(begin
(debug:print 4 "INFO: read-config key=" key ", val=" val ", realval=" realval)
(setenv key realval)))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key realval))
(loop (configf:read-line inp res) 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
(config-lookup res curr-section-name var-flag) "\n"
;; trim lead from the incoming whsp to support some indenting.
(if lead
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(case allow-system
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))))
(loop (configf:read-line inp res) curr-section-name #f #f))
(loop (configf:read-line inp res) curr-section-name #f #f)))
(configf:key-val-pr ( x key val ) (let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt (string-search (regexp environ-patt) curr-section-name)))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print 6 "INFO: read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar
(begin
;; (debug:print 4 "INFO: read-config key=" key ", val=" val ", realval=" realval)
(setenv key realval)))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key realval))
(loop (configf:read-line inp res) 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
(config-lookup res curr-section-name var-flag) "\n"
;; trim lead from the incoming whsp to support some indenting.
(if lead
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