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(list key val metadata)
(list key val))))))
(define (config:eval-string-in-environment str)
(handle-exceptions
exn
(begin
(debug:print 0 #f "ERROR: problem evaluating \"" str "\" in the shell environment")
#f)
(let ((cmdres (process:cmd-run->list (conc "echo " str))))
(if (null? cmdres) ""
(caar cmdres)))))
;;======================================================================
;; Make the regexp's needed globally available
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(list key val metadata)
(list key val))))))
(define (config:eval-string-in-environment str)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "ERROR: problem evaluating \"" str "\" in the shell environment")
#f)
(let ((cmdres (process:cmd-run->list (conc "echo " str))))
(if (null? cmdres) ""
(caar cmdres)))))
;;======================================================================
;; Make the regexp's needed globally available
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((runconfigs-get) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
((rget) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
(else "(lambda (ht)(print \"ERROR\") \"ERROR\")"))))
;; (print "fullcmd=" fullcmd)
(handle-exceptions
exn
(begin
(debug:print 0 #f "WARNING: failed to process config input \"" l "\"")
(debug:print 0 #f " message: " ((condition-property-accessor 'exn 'message) exn))
;; (print "exn=" (condition->list exn))
(set! result (conc "#{( " cmdtype ") " cmd"}")))
(if (or allow-system
(not (member cmdtype '("system" "shell"))))
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
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((runconfigs-get) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
((rget) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
(else "(lambda (ht)(print \"ERROR\") \"ERROR\")"))))
;; (print "fullcmd=" fullcmd)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "WARNING: failed to process config input \"" l "\"")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
;; (print "exn=" (condition->list exn))
(set! result (conc "#{( " cmdtype ") " cmd"}")))
(if (or allow-system
(not (member cmdtype '("system" "shell"))))
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
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;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;;
(define (read-config path ht allow-system #!key (environ-patt #f)(curr-section #f)(sections #f)(settings (make-hash-table))(keep-filenames #f)(post-section-procs '()))
(debug:print-info 5 #f "read-config " path " allow-system " allow-system " environ-patt " environ-patt " curr-section: " curr-section " sections: " sections " pwd: " (current-directory))
(debug:print 9 #f "START: " path)
(if (not (file-exists? path))
(begin
(debug:print-info 1 #f "read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let ((inp (open-input-file path))
(res (if (not ht)(make-hash-table) ht))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f)))
(let loop ((inl (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)) ;; (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))
(debug:print-info 8 #f "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"")
(if (eof-object? inl)
(begin
(close-input-port inp)
(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
(debug:print 9 #f "END: " path)
res)
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:settings ( x setting val ) (begin
(hash-table-set! settings setting val)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))
(configf:include-rx ( x include-file ) (let* ((curr-conf-dir (pathname-directory path))
(full-conf (if (absolute-pathname? include-file)
include-file
(common:nice-path
(conc (if curr-conf-dir
curr-conf-dir
".")
"/" include-file)))))
(if (file-exists? full-conf)
(begin
;; (push-directory conf-dir)
(debug:print 9 #f "Including: " full-conf)
(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 #f " " full-conf)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))))
(configf:section-rx ( x section-name ) (begin
;; call post-section-procs
(for-each
(lambda (dat)
(let ((patt (car dat))
(proc (cdr dat)))
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;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;;
(define (read-config path ht allow-system #!key (environ-patt #f)(curr-section #f)(sections #f)(settings (make-hash-table))(keep-filenames #f)(post-section-procs '()))
(debug:print-info 5 #f "read-config " path " allow-system " allow-system " environ-patt " environ-patt " curr-section: " curr-section " sections: " sections " pwd: " (current-directory))
(debug:print 9 *default-log-port* "START: " path)
(if (not (file-exists? path))
(begin
(debug:print-info 1 #f "read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let ((inp (open-input-file path))
(res (if (not ht)(make-hash-table) ht))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f)))
(let loop ((inl (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)) ;; (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))
(debug:print-info 8 #f "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"")
(if (eof-object? inl)
(begin
(close-input-port inp)
(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
(debug:print 9 *default-log-port* "END: " path)
res)
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:settings ( x setting val ) (begin
(hash-table-set! settings setting val)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))
(configf:include-rx ( x include-file ) (let* ((curr-conf-dir (pathname-directory path))
(full-conf (if (absolute-pathname? include-file)
include-file
(common:nice-path
(conc (if curr-conf-dir
curr-conf-dir
".")
"/" include-file)))))
(if (file-exists? full-conf)
(begin
;; (push-directory conf-dir)
(debug:print 9 *default-log-port* "Including: " full-conf)
(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:section-rx ( x section-name ) (begin
;; call post-section-procs
(for-each
(lambda (dat)
(let ((patt (car dat))
(proc (cdr dat)))
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(cmdres (process:cmd-run->list cmd))
(delta (- (current-seconds) start-time))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 #f "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print 0 #f "ERROR: problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 #f "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 #f "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 #f " 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)))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print-info 6 #f "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 #f " 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
(config-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 0 #f "ERROR: 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))))))))
;; pathenvvar will set the named var to the path of the config
(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f))
(let* ((curr-dir (current-directory))
(configinfo (find-config fname toppath: given-toppath))
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(cmdres (process:cmd-run->list cmd))
(delta (- (current-seconds) start-time))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 #f "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print 0 *default-log-port* "ERROR: problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 #f "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 #f "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)))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print-info 6 #f "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
(config-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 0 *default-log-port* "ERROR: 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))))))))
;; pathenvvar will set the named var to the path of the config
(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f))
(let* ((curr-dir (current-directory))
(configinfo (find-config fname toppath: given-toppath))
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(set! res (append res (list hed))))
((not newval) ;; key has been removed
(set! new #f))
((not (equal? newval val))
(hash-table-set! sechash key newval)
(set! new (conc key " " newval)))
(else
(debug:print 0 #f "ERROR: problem parsing line number " lnum "\"" hed "\"")))))
(else
(debug:print 0 #f "ERROR: Problem parsing line num " lnum " :\n " hed )))
(if (not (null? tal))
(loop (car tal)(cdr tal)(if new (append res (list new)) res)(+ lnum 1)))
;; drop to here when done processing, res contains modified list of lines
(set! fdat res)))
;; step 4: Append new values to the section
(for-each
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(set! res (append res (list hed))))
((not newval) ;; key has been removed
(set! new #f))
((not (equal? newval val))
(hash-table-set! sechash key newval)
(set! new (conc key " " newval)))
(else
(debug:print 0 *default-log-port* "ERROR: problem parsing line number " lnum "\"" hed "\"")))))
(else
(debug:print 0 *default-log-port* "ERROR: Problem parsing line num " lnum " :\n " hed )))
(if (not (null? tal))
(loop (car tal)(cdr tal)(if new (append res (list new)) res)(+ lnum 1)))
;; drop to here when done processing, res contains modified list of lines
(set! fdat res)))
;; step 4: Append new values to the section
(for-each
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