| ︙ | | |
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
+
|
;; Config file handling
;;======================================================================
(use regex regex-case) ;; directory-utils)
(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))
(include "common_records.scm")
;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
(if toppath
(let ((cfname (conc toppath "/" configname)))
|
| ︙ | | |
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
+
+
+
+
+
+
-
+
|
(loop remcwd)))))))))
(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 (config:eval-string-in-environment str)
(handle-exceptions
exn
(begin
(debug:print-error 0 *default-log-port* "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
;;======================================================================
(define configf:include-rx (regexp "^\\[include\\s+(.*)\\]\\s*$"))
(define configf:script-rx (regexp "^\\[scriptinc\\s+(.*)\\]\\s*$")) ;; include output from a script
(define configf:script-rx (regexp "^\\[scriptinc\\s+(\\S+)([^\\]]*)\\]\\s*$")) ;; include output from a script
(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$"))
(define configf:blank-l-rx (regexp "^\\s*$"))
(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$"))
(define configf:key-val-pr (regexp "^(\\S+)(\\s+(.*)|())$"))
(define configf:key-no-val (regexp "^(\\S+)(\\s*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))
|
| ︙ | | |
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
-
+
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
+
|
(define (calc-allow-system allow-system section sections)
(if sections
(and (or (equal? "default" section)
(member section sections))
allow-system) ;; account for sections and return allow-system as it might be a symbol such as return-strings
allow-system))
;; given a config hash and a section name, apply that section to all matching sections (using wildcard % or regex if /..../)
;; remove the section when done so that there is no downstream clobbering
;;
(define (configf:apply-wildcards ht section-name)
(if (hash-table-exists? ht section-name)
(let* ((vars (hash-table-ref ht section-name))
(rxstr (if (string-contains section-name "%")
(string-substitute (regexp "%") ".*" section-name)
(string-substitute (regexp "^/(.*)/$") "\\1" section-name)))
(rx (regexp rxstr)))
;; (print "\nsection-name: " section-name " rxstr: " rxstr)
(for-each
(lambda (section)
(if section
(let ((same-section (string=? section-name section))
(rx-match (string-match rx section)))
;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match)
(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
;; 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)
(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))
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))
(if (list? sections) ;; delete all sections except given when sections is provided
(for-each
(lambda (section)
(if (not (member section sections))
(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
(hash-table-delete! res section))) ;; we are using "" as a dumping ground and must remove it before returning the ht
(hash-table-keys res)))
(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
|
| ︙ | | |
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
|
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
-
-
-
-
-
+
+
+
+
+
-
+
+
+
+
+
-
-
-
+
+
+
+
|
(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:script-rx ( x include-script );; handle-exceptions
;; exn
;; (begin
;; (debug:print '(0 2 9) #f "INFO: include from script " include-script " failed.")
;; (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:script-rx ( x include-script params);; handle-exceptions
;; exn
;; (begin
;; (debug:print '(0 2 9) #f "INFO: include from script " include-script " failed.")
;; (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(if (and (file-exists? include-script)(file-execute-access? include-script))
(let* ((new-inp-port (open-input-pipe include-script)))
(let* ((new-inp-port (open-input-pipe (conc include-script " " params))))
(debug:print '(2 9) *default-log-port* "Including from script output: " include-script)
;; (print "We got here, calling read-config next. Port is: " new-inp-port)
(read-config new-inp-port res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
(close-input-port new-inp-port)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(begin
(debug:print 0 *default-log-port* "Script not found or not exectutable: " include-script)
(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)))
(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)
(if (not (hash-table-ref/default res section-name #f))(hash-table-set! res section-name '())) ;; ensure that mere mention of a section is not lost
(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 ""
;; (if (or (not sections)
;; (member section-name sections))
;; section-name "") ;; stick everything into "". NOPE: We need new strategy. Put stuff in correct sections and then delete all sections later.
section-name
#f #f)))
(configf:key-sys-pr ( x key cmd ) (if (calc-allow-system allow-system curr-section-name sections)
(let ((alist (hash-table-ref/default res curr-section-name '()))
(val-proc (lambda ()
(let* ((start-time (current-seconds))
(cmdres (process:cmd-run->list cmd))
(delta (- (current-seconds) start-time))
|
| ︙ | | |
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
|
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
|
-
+
|
;; 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))
(toppath (car configinfo))
(configfile (cadr configinfo))
(set-fields (lambda (curr-section next-section ht path)
(let ((field-names (if ht (keys:config-get-fields ht) '()))
(let ((field-names (if ht (common:get-fields ht) '()))
(target (or (getenv "MT_TARGET")(args:get-arg "-reqtarg")(args:get-arg "-target"))))
(debug:print-info 9 *default-log-port* "set-fields with field-names=" field-names " target=" target " curr-section=" curr-section " next-section=" next-section " path=" path " ht=" ht)
(if (not (null? field-names))(keys:target-set-args field-names target #f))))))
(if toppath (change-directory toppath))
(if (and toppath pathenvvar)(setenv pathenvvar toppath))
(let ((configdat (if configfile
(read-config configfile #f #t environ-patt: environ-patt post-section-procs: (list (cons "^fields$" set-fields)) #f))))
|
| ︙ | | |
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
|
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
|
+
+
+
+
-
-
+
+
+
+
+
+
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
(let ((ht (make-hash-table)))
(for-each
(lambda (section)
(hash-table-set! ht (car section)(cdr section)))
adat)
ht))
;; if
(define (configf:read-alist fname)
(handle-exceptions
exn
#f
(configf:alist->config
(with-input-from-file fname read)))
(configf:alist->config
(with-input-from-file fname read))))
(define (configf:write-alist cdat fname)
(if (common:faux-lock fname)
(let* ((dat (configf:config->alist cdat))
(res
(begin
(with-output-to-file fname
(lambda ()
(pp (configf:config->alist cdat)))))
(with-output-to-file fname ;; first write out the file
(lambda ()
(pp dat)))
(if (common:file-exists? fname) ;; now verify it is readable
(if (configf:read-alist fname)
#t ;; data is good.
(begin
(handle-exceptions
exn
#f
(debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.")
(delete-file fname))
#f))
#f))))
(common:faux-unlock fname)
res)
(begin
(debug:print 0 *default-log-port* "WARNING: could not get faux-lock on " fname)
#f)))
;; convert hierarchial list to ini format
;;
(define (configf:config->ini data)
(map
(lambda (section)
(let ((section-name (car section))
|
| ︙ | | |