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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
(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)))
(if (file-exists? cfname)
(list toppath cfname configname)
(list #f #f #f)))
(let* ((cwd (string-split (current-directory) "/")))
(let loop ((dir cwd))
(let* ((path (conc "/" (string-intersperse dir "/")))
(fullpath (conc path "/" configname)))
(if (file-exists? fullpath)
(list path fullpath configname)
(let ((remcwd (take dir (- (length dir) 1))))
(if (null? remcwd)
(list #f #f #f) ;; #f #f)
(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*$"))
(define configf:script-rx (regexp "^\\[scriptinc\\s+(\\S+)([^\\]]*)\\]\\s*$")) ;; 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*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))
(define configf:settings (regexp "^\\[configf:settings\\s+(\\S+)\\s+(\\S+)]\\s*$"))
;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:process-line l ht allow-system #!key (linenum #f))
(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))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd (case cmdsym
((scheme scm) (conc "(lambda (ht)" cmd ")"))
((system) (conc "(lambda (ht)(system \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
" (let ((extra \"" cmd "\"))"
" (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"
" (if (string-null? extra) \"\" \"/\")"
" extra)))"))
((get g)
(let* ((parts (string-split cmd))
(sect (car parts))
(var (cadr parts)))
(conc "(lambda (ht)(config-lookup ht \"" sect "\" \"" var "\"))")))
((runconfigs-get rget) (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
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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
;;======================================================================
;; Config file handling
;;======================================================================
(use regex regex-case matchable) ;; 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)))
(if (common:file-exists? cfname)
(list toppath cfname configname)
(list #f #f #f)))
(let* ((cwd (string-split (current-directory) "/")))
(let loop ((dir cwd))
(let* ((path (conc "/" (string-intersperse dir "/")))
(fullpath (conc path "/" configname)))
(if (common:file-exists? fullpath)
(list path fullpath configname)
(let ((remcwd (take dir (- (length dir) 1))))
(if (null? remcwd)
(list #f #f #f) ;; #f #f)
(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)
;; (if (or (string-null? str)
;; (equal? "!" (substring str 0 1))) ;; null string or starts with ! are preserved but NOT set in the 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+)([^\\]]*)\\]\\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+.*)$"))
(define configf:settings (regexp "^\\[configf:settings\\s+(\\S+)\\s+(\\S+)]\\s*$"))
;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:system ht cmd)
(system cmd)
)
(define (configf:process-line l ht allow-system #!key (linenum #f))
(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))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd (case cmdsym
((scheme scm) (conc "(lambda (ht)" cmd ")"))
((system) (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
" (let ((extra \"" cmd "\"))"
" (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"
" (if (string-null? extra) \"\" \"/\")"
" extra)))"))
((get g)
(match (string-split cmd)
((sect var)(conc "(lambda (ht)(configf:lookup ht \"" sect "\" \"" var "\"))"))
(else
(debug:print-error 0 *default-log-port* "#{get ...} used with only one parameter, \"" cmd "\", two needed.")
"(lambda (ht) #f)")))
((runconfigs-get rget) (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
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inl)
(else
(configf:process-line inl ht allow-processing)))))
(if (and (string? res)
(not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "no") "no")))
(string-substitute "\\s+$" "" res)
res))))))
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inl)
(else
(configf:process-line inl ht allow-processing)))))
(if (and (string? res)
(not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "no") "no")))
(string-substitute "\\s+$" "" res)
res))))))
(define (configf:cfgdat->env-alist section cfgdat-ht allow-system)
(filter
(lambda (pair)
(let* ((var (car pair))
(val (cdr pair)))
(cons var
(cond
((and allow-system (procedure? val)) ;; if we decided to use something other than #t or #f for allow-system ('return-procs or 'return-string) , this may become problematic
(val))
((procedure? val) #f)
((string? val) val)
(else "#f")))))
(append
(hash-table-ref/default cfgdat-ht "default" '())
(if (equal? section "default") '() (hash-table-ref/default cfgdat-ht section '())))))
(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))
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(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 '()) (apply-wildcards #t))
(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
(debug:print-info 1 *default-log-port* "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 (if (string? path)
(open-input-file path)
path)) ;; we can be handed a port
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(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)
;; allow-system:
;; #f - do not evaluate [system
;; #t - immediately evaluate [system and store result as string
;; 'return-procs -- return a proc taking ht as an argument that may be evaulated at some future time
;; 'return-string -- return a string representing a proc taking ht as an argument that may be evaulated at some future time
;; 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 '()) (apply-wildcards #t) )
(debug:print 9 *default-log-port* "START: " path)
;; (if *configdat*
;; (common:save-pkt `((action . read-config)
;; (f . ,(cond ((string? path) path)
;; ((port? path) "port")
;; (else (conc path))))
;; (T . configf))
;; *configdat* #t add-only: #t))
(if (and (not (port? path))
(not (common:file-exists? path))) ;; for case where we are handed a port
(begin
(debug:print-info 1 *default-log-port* "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 (if (string? path)
(open-input-file path)
path)) ;; we can be handed a port
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(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 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)
(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: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 (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)
(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 "". 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))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 *default-log-port* "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print-error 0 *default-log-port* "problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "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 *default-log-port* "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)))
(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))))
(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))
(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) '()))
(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))))
(if toppath (change-directory curr-dir))
(list configdat toppath configfile fname))))
(define (config-lookup cfgdat section var)
(if (hash-table? cfgdat)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
#f
(let ((match (assoc var sectdat)))
(if match ;; (and match (list? match)(> (length match) 1))
(cadr match)
#f))
))
#f))
(define configf:lookup config-lookup)
(define configf:read-file read-config)
(define (configf:section-vars cfgdat section)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
'()
(map car sectdat))))
(define (configf:get-section cfgdat section)
(hash-table-ref/default cfgdat section '()))
(define (setup)
(let* ((configf (find-config "megatest.config"))
(config (if configf (read-config configf #f #t) #f)))
(if config
(setenv "RUN_AREA_HOME" (pathname-directory configf)))
config))
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|
(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 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
) ;; retval
(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 (and (absolute-pathname? include-file) (file-exists? include-file))
include-file
(common:nice-path
(conc (if curr-conf-dir
curr-conf-dir
".")
"/" include-file)))))
(let ((all-matches (sort (handle-exceptions exn (list) (glob full-conf)) string<=?)))
(if (null? all-matches)
(begin
(debug:print '(2 9) #f "INFO: include file(s) matching " include-file " not found (called from " path ")")
(debug:print 2 *default-log-port* " " full-conf))
(for-each
(lambda (fpath)
;; (push-directory conf-dir)
(debug:print 9 *default-log-port* "Including: " full-conf)
(read-config fpath res allow-system environ-patt: environ-patt
curr-section: curr-section-name sections: sections settings: settings
keep-filenames: keep-filenames))
all-matches))
(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 (common:file-exists? include-script)(file-execute-access? include-script))
(let* ((local-allow-system (calc-allow-system allow-system curr-section-name sections))
(env-delta (configf:cfgdat->env-alist curr-section-name res local-allow-system))
(new-inp-port
(common:with-env-vars
env-delta
(lambda ()
(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 "". 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))
(local-allow-system (calc-allow-system allow-system curr-section-name sections))
(env-delta (configf:cfgdat->env-alist curr-section-name res local-allow-system))
(cmdres (process:cmd-run->list cmd delta-env-alist-or-hash-table: env-delta)) ;; BB: here is where [system is exec'd. needs to have env from other vars!
(delta (- (current-seconds) start-time))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 *default-log-port* "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print-error 0 *default-log-port* "problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "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) ;; does the section match the envionpatt?
(and (not (string-null? key))
(not (equal? "!" (substring key 0 1)))) ;; ! as leading character is a signature to NOT export to the environment
;; (string-match "^.*:.*:.*$" key) ;; ;; something:something:something reserved for triggers in runconfigs
))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print-info 6 *default-log-port* "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
(configf: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-error 0 *default-log-port* "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))))
) ;; end loop
)))
;; 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 (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))))
(if toppath (change-directory curr-dir))
(list configdat toppath configfile fname))))
(define (configf:lookup cfgdat section var)
(if (hash-table? cfgdat)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
#f
(let ((match (assoc var sectdat)))
(if match ;; (and match (list? match)(> (length match) 1))
(cadr match)
#f))
))
#f))
;; use to have definitive setting:
;; [foo]
;; var yes
;;
;; (configf:var-is? cfgdat "foo" "var" "yes") => #t
;;
(define (configf:var-is? cfgdat section var expected-val)
(equal? (configf:lookup cfgdat section var) expected-val))
(define config-lookup configf:lookup)
(define configf:read-file read-config)
;; safely look up a value that is expected to be a number, return
;; a default (#f unless provided)
;;
(define (configf:lookup-number cfdat section varname #!key (default #f))
(let* ((val (configf:lookup *configdat* section varname))
(res (if val
(string->number (string-substitute "\\s+" "" val #t))
#f)))
(cond
(res res)
(val (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val))
(else default))))
(define (configf:section-vars cfgdat section)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
'()
(map car sectdat))))
(define (configf:get-section cfgdat section)
(hash-table-ref/default cfgdat section '()))
(define (configf:set-section-var cfgdat section var val)
(let ((sectdat (configf:get-section cfgdat section)))
(hash-table-set! cfgdat section
(config:assoc-safe-add sectdat var val))))
;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat)
;; (list var val))))
(define (setup)
(let* ((configf (find-config "megatest.config"))
(config (if configf (read-config configf #f #t) #f)))
(if config
(setenv "RUN_AREA_HOME" (pathname-directory configf)))
config))
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(res '()))
(let ((newres (append res (list (string-substitute (regexp "\n") "\n " hed #t)))))
(if (null? tal)
newres
(loop (car tal)(cdr tal) newres))))))
(define (configf:file->list fname)
(if (file-exists? fname)
(let ((inp (open-input-file fname)))
(let loop ((inl (read-line inp))
(res '()))
(if (eof-object? inl)
(begin
(close-input-port inp)
(reverse res))
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(res '()))
(let ((newres (append res (list (string-substitute (regexp "\n") "\n " hed #t)))))
(if (null? tal)
newres
(loop (car tal)(cdr tal) newres))))))
(define (configf:file->list fname)
(if (common:file-exists? fname)
(let ((inp (open-input-file fname)))
(let loop ((inl (read-line inp))
(res '()))
(if (eof-object? inl)
(begin
(close-input-port inp)
(reverse res))
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(fdat (configf:file->list fname))
(refdat (make-hash-table))
(sechash (make-hash-table)) ;; current section hash, init with hash for "default" section
(new #f) ;; put the line to be used in new, if it is to be deleted the set new to #f
(secname #f))
;; step 2: Flatten multiline entries
(if (not (null? fdat))(set! fdat (configf:compress-multi-line fdat)))
;; step 3: Modify values per contents of "indat" and remove absent values
(if (not (null? fdat))
(let loop ((hed (car fdat))
(tal (cadr fdat))
(res '())
(lnum 0))
(regex-case
hed
(configf:comment-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f))
(configf:blank-l-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f))
(configf:section-rx ( x section-name ) (let ((section-hash (hash-table-ref/default refdat section-name #f)))
(if (not section-hash)
(let ((newhash (make-hash-table)))
(hash-table-set! refhash section-name newhash)
(set! sechash newhash))
(set! sechash section-hash))
(set! new hed) ;; will append this at the bottom of the loop
(set! secname section-name)
))
;; No need to process key cmd, let it fall though to key val
(configf:key-val-pr ( x key val )
(let ((newval (config-lookup indat sec key)))
;; can handle newval == #f here => that means key is removed
(cond
((equal? newval val)
(set! res (append res (list hed))))
((not newval) ;; key has been removed
(set! new #f))
((not (equal? newval val))
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(fdat (configf:file->list fname))
(refdat (make-hash-table))
(sechash (make-hash-table)) ;; current section hash, init with hash for "default" section
(new #f) ;; put the line to be used in new, if it is to be deleted the set new to #f
(secname #f))
;; step 2: Flatten multiline entries
(if (not (null? fdat))(set! fdat (configf:compress-multi-lines fdat)))
;; step 3: Modify values per contents of "indat" and remove absent values
(if (not (null? fdat))
(let loop ((hed (car fdat))
(tal (cadr fdat))
(res '())
(lnum 0))
(regex-case
hed
(configf:comment-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f))
(configf:blank-l-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f))
(configf:section-rx ( x section-name ) (let ((section-hash (hash-table-ref/default refdat section-name #f)))
(if (not section-hash)
(let ((newhash (make-hash-table)))
(hash-table-set! refdat section-name newhash) ;; was refhash - not sure that refdat is correct here
(set! sechash newhash))
(set! sechash section-hash))
(set! new hed) ;; will append this at the bottom of the loop
(set! secname section-name)
))
;; No need to process key cmd, let it fall though to key val
(configf:key-val-pr ( x key val )
(let ((newval (configf:lookup indat secname key))) ;; was sec, bug or correct?
;; can handle newval == #f here => that means key is removed
(cond
((equal? newval val)
(set! res (append res (list hed))))
((not newval) ;; key has been removed
(set! new #f))
((not (equal? newval val))
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;; step 4: Append new values to the section
(for-each
(lambda (section)
(let ((sdat '()) ;; append needed bits here
(svars (configf:section-vars indat section)))
(for-each
(lambda (var)
(let ((val (config-lookup refdat section var)))
(if (not val) ;; this one is new
(begin
(if (null? sdat)(set! sdat (list (conc "[" section "]"))))
(set! sdat (append sdat (list (conc var " " val))))))))
svars)
(set! fdat (append fdat sdat))))
(delete-duplicates (append require-sections (hash-table-keys indat))))
;; step 5: Write out new file
(with-output-to-file fname
(lambda ()
(for-each
(lambda (line)
(print line))
(configf:expand-multi-lines fdat))))))
;;======================================================================
;; refdb
;;======================================================================
;; reads a refdb into an assoc array of assoc arrays
;; returns (list dat msg)
(define (configf:read-refdb refdb-path)
(let ((sheets-file (conc refdb-path "/sheet-names.cfg")))
(if (not (file-exists? sheets-file))
(list #f (conc "ERROR: no refdb found at " refdb-path))
(if (not (file-read-access? sheets-file))
(list #f (conc "ERROR: refdb file not readable at " refdb-path))
(let* ((sheets (with-input-from-file sheets-file
(lambda ()
(let loop ((inl (read-line))
(res '()))
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;; step 4: Append new values to the section
(for-each
(lambda (section)
(let ((sdat '()) ;; append needed bits here
(svars (configf:section-vars indat section)))
(for-each
(lambda (var)
(let ((val (configf:lookup refdat section var)))
(if (not val) ;; this one is new
(begin
(if (null? sdat)(set! sdat (list (conc "[" section "]"))))
(set! sdat (append sdat (list (conc var " " val))))))))
svars)
(set! fdat (append fdat sdat))))
(delete-duplicates (append required-sections (hash-table-keys indat))))
;; step 5: Write out new file
(with-output-to-file fname
(lambda ()
(for-each
(lambda (line)
(print line))
(configf:expand-multi-lines fdat))))))
;;======================================================================
;; refdb
;;======================================================================
;; reads a refdb into an assoc array of assoc arrays
;; returns (list dat msg)
(define (configf:read-refdb refdb-path)
(let ((sheets-file (conc refdb-path "/sheet-names.cfg")))
(if (not (common:file-exists? sheets-file))
(list #f (conc "ERROR: no refdb found at " refdb-path))
(if (not (file-read-access? sheets-file))
(list #f (conc "ERROR: refdb file not readable at " refdb-path))
(let* ((sheets (with-input-from-file sheets-file
(lambda ()
(let loop ((inl (read-line))
(res '()))
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(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))))
(if (common:faux-lock fname)
(let* ((dat (configf:config->alist cdat))
(res
(begin
(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)))
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(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))))
(define (configf:write-alist cdat fname)
(if (not (common:faux-lock fname))
(debug:print 0 *default-log-port* "INFO: Could not get lock on " fname))
(let* ((dat (configf:config->alist cdat))
(res
(begin
(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))
;; convert hierarchial list to ini format
;;
(define (configf:config->ini data)
(map
(lambda (section)
(let ((section-name (car section))
(section-dat (cdr section)))
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