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(define configf:key-no-val (regexp "^(\\S+)(\\s*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))
;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:process-line l ht)
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
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(define configf:key-no-val (regexp "^(\\S+)(\\s*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))
;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:process-line l ht allow-system)
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
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(sect (car parts))
(var (cadr parts)))
(conc "(lambda (ht)(config-lookup ht \"" sect "\" \"" var "\"))")))
((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)
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
(loop (conc prestr result poststr)))
res))
res)))
;; Run a shell command and return the output as a string
(define (shell cmd)
(let* ((output (cmd-run->list cmd))
(res (car output))
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(sect (car parts))
(var (cadr parts)))
(conc "(lambda (ht)(config-lookup ht \"" sect "\" \"" var "\"))")))
((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)
(if (or allow-system
(not (member cmdtype '("system" "shell"))))
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
(set! result (conc "#{(" cmdtype ") " cmd "}"))) (loop (conc prestr result poststr)))
res))
res)))
;; Run a shell command and return the output as a string
(define (shell cmd)
(let* ((output (cmd-run->list cmd))
(res (car output))
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(define (runconfigs-get config var)
(let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target")(getenv "MT_TARGET"))))
(if targ
(or (configf:lookup config targ var)
(configf:lookup config "default" var))
(configf:lookup config "default" var))))
(define-inline (configf:read-line p ht allow-processing)
(let loop ((inl (read-line p)))
(let ((cont-line (and (string? inl)
(not (string-null? inl))
(equal? "\\" (string-take-right inl 1)))))
(if cont-line ;; last character is \
(let ((nextl (read-line p)))
(if (not (eof-object? nextl))
(loop (string-append (if cont-line
(string-take inl (- (string-length inl) 1))
inl)
nextl))))
(if (and allow-processing
(not (eq? allow-processing 'return-string)))
(configf:process-line inl ht)
inl)))))
;; 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
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(define (runconfigs-get config var)
(let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target")(getenv "MT_TARGET"))))
(if targ
(or (configf:lookup config targ var)
(configf:lookup config "default" var))
(configf:lookup config "default" var))))
;; this was inline but I'm pretty sure that is a hold over from when it was *very* simple ...
;;
(define (configf:read-line p ht allow-processing)
(let loop ((inl (read-line p)))
(let ((cont-line (and (string? inl)
(not (string-null? inl))
(equal? "\\" (string-take-right inl 1)))))
(if cont-line ;; last character is \
(let ((nextl (read-line p)))
(if (not (eof-object? nextl))
(loop (string-append (if cont-line
(string-take inl (- (string-length inl) 1))
inl)
nextl))))
(case allow-processing ;; if (and allow-processing
;; (not (eq? allow-processing 'return-string)))
((#t #f)
(configf:process-line inl ht allow-processing))
((return-string)
inl)
(else
(configf:process-line inl ht allow-processing)))))))
;; 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
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" output: " cmdres)
(exit 1)))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist
key
(case allow-system
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))))
(loop (configf:read-line inp res allow-system) curr-section-name #f #f))
(loop (configf:read-line inp res allow-system) curr-section-name #f #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 "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar
(begin
;; (debug:print-info 4 "read-config key=" key ", val=" val ", realval=" realval)
(setenv key realval)))
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" output: " cmdres)
(exit 1)))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist
key
(case allow-system
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))))
(loop (configf:read-line inp res allow-system) curr-section-name #f #f))
(loop (configf:read-line inp res allow-system) curr-section-name #f #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 "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar (safe-setenv key realval))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key realval))
(loop (configf:read-line inp res allow-system) curr-section-name key #f)))
(configf:key-no-val ( x key val) (let* ((alist (hash-table-ref/default res curr-section-name '())))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key #t))
(loop (configf:read-line inp res allow-system) curr-section-name key #f)))
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