@@ -177,20 +177,46 @@ (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)) + (rx (regexp (if (string-contains section-name "%") + (string-substitute section-name "%" ".*") + section-name)))) + (for-each + (lambda (section) + (if (and section-name + section + (not (string=? section-name section)) + (string-match rx section)) + (for-each + (lambda (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 ;; 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 ;; 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) +;; apply-wildcards: #t/#f - apply vars from targets with % wildcards to all matching sections ;; -(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 '())) +(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 '())(apply-wildcards #t)) (debug:print-info 5 *default-log-port* "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 (and (not (port? path)) (not (file-exists? path))) ;; for case where we are handed a port (begin @@ -201,18 +227,27 @@ (open-input-file path) path)) ;; we can be handed a port (res (if (not ht)(make-hash-table) ht)) (metapath (if (or (debug:debug-mode 9) keep-filenames) - path #f))) + path #f)) + (process-wildcards (lambda (res curr-section-name) + (if (and apply-wildcards + (or (string-contains curr-section-name "%") ;; wildcard + (string-match "/.*/" curr-section-name))) ;; regex + (begin + (configf:apply-wildcards res curr-section-name) + (hash-table-delete! res curr-section-name)))))) ;; NOTE: if the section is a wild card it will be REMOVED from res (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 *default-log-port* "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"") (if (eof-object? inl) (begin + ;; process last section for wildcards + (process-wildcards res curr-section-name) (if (string? path) ;; we received a path, not a port, thus we are responsible for closing it. (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) @@ -265,10 +300,13 @@ (let ((patt (car dat)) (proc (cdr dat))) (if (string-match patt curr-section-name) (proc curr-section-name section-name res path)))) post-section-procs) + ;; after gathering the vars for a section and if apply-wildcards is true and if there is a wildcard in the section name process wildcards + ;; NOTE: we are processing the curr-section-name, NOT section-name. + (process-wildcards res curr-section-name) (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) ;; if we have the sections list then force all settings into "" and delete it later? (if (or (not sections) (member section-name sections)) section-name "") ;; stick everything into ""