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Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.3 by williamc, Fri Jan 21 08:59:34 2000 UTC vs.
Revision 1.33 by muzaffar, Tue Nov 6 14:13:51 2007 UTC

#	Line 1 | Line 1
1	<	#
2	<	# ConfigArea.pm
3	<	#
4	<	# Originally Written by Christopher Williams
5	<	#
6	<	# Description
7	<	#
8	<	# Interface
9	<	# ---------
10	<	# new(ActiveConfig)             : A new ConfigArea object
11	<	# setup()                       : setup the configuration area
12	<	# location([dir])               : set/return the location of the area
13	<	# version([version])            : set/return the version of the area
14	<	# name([name])                  : set/return the name of the area
15	<	# store(location)               : store data in file location
16	<	# restore(location)             : restore data from file location
17	<	# meta()                        : return a description string of the area
18	<	# addconfigitem(url)            : add a new item to the area
19	<	# configitem(@keys)             : return a list of fig items that match
20	<	#                                 the keys - all if left blank
1	>	=head1 NAME
2	>
3	>	Configuration::ConfigArea - Creates and manages a configuration area (i.e. a project area).
4	>
5	>	=head1 SYNOPSIS
6	>
7	>	my $obj = Configuration::ConfigArea->new();
8	>
9	>	=head1 DESCRIPTION
10	>
11	>	Create and manage SCRAM project configuration areas.
12	>
13	>	=head1 METHODS
14	>
15	>	=over
16	>
17	>	=cut
18	>
19	>	=item C<new()>
20	>
21	>	Create a new Configuration::ConfigArea object.
22	>
23	>	=item C<name()>
24	>
25	>	Get/set project name.
26	>
27	>	=item C<setup($dir[,$areaname])>
28	>
29	>	Set up a fresh area in $dir.
30	>
31	>	=item C<satellite($dir[,$areaname])>
32	>
33	>	Set up a satellite area in $dir.
34	>
35	>	=item C<version()>
36	>
37	>	Get/set project version.
38	>
39	>	=item C<location([$dir])>
40	>
41	>	Set/return the location of the work area.
42	>
43	>	=item C<bootstrapfromlocation([$location])>
44	>
45	>	Bootstrap the object based on location.
46	>	No location specified - current directory used
47	>	Return 0 if succesful, 1 otherwise.
48	>
49	>	=item C<requirementsdoc()>
50	>
51	>	Get or set the requirements document.
52	>
53	>	=item C<searchlocation([$startdir])>
54	>
55	>	Returns the location directory. search starts
56	>	from current directory if not specified.
57	>
58	>	=item C<scramversion()>
59	>
60	>	Return the scram version associated with the area.
61	>
62	>	=item C<configurationdir()>
63	>
64	>	Return the location of the project configuration directory.
65	>
66	>	=item C<copy($location)>
67	>
68	>	Copy a configuration from $location.
69	>
70	>	=item C<copysetup($location)>
71	>
72	>	Copy the architecture-specific tool setup.
73	>	Returns 0 if successful, 1 otherwise.
74	>
75	>	=item C<copyenv($ref)>
76	>
77	>	Copy the area environment into the hashref $ref.
78	>
79	>	=item C<toolbox()>
80	>
81	>	Return the area toolbox object.
82	>
83	>	=item C<save()>
84	>
85	>	Save changes permanently.
86	>
87	>	=item C<linkto($location)>
88	>
89	>	Link the current area to that at location.
90	>
91	>	=item C<unlinkarea()>
92	>
93	>	Destroy link ($autosave).
94	>
95	>	=item C<linkarea([Configuration::ConfigArea])>
96	>
97	>	Link the current area to the specified area object.
98	>
99	>	=item C<archname()>
100	>
101	>	Get/set a string to indicate architecture.
102	>
103	>	=item C<archdir()>
104	>
105	>	Return the location of the administration
106	>	architecture-dependent directory.
107	>
108	>	=item C<objectstore()>
109	>
110	>	Return the B<objectStore> object of the area temporary.
111	>
112	>	=item C<align()>
113	>
114	>	Adjust hard paths to suit local location.
115	>
116	>
117	>	=back
118	>
119	>	=head1 AUTHOR
120	>
121	>	Originally written by Christopher Williams.
122	>
123	>	=head1 MAINTAINER
124	>
125	>	Shaun ASHBY
126	>
127	>	=cut
128
129		package Configuration::ConfigArea;
23	–	use ActiveDoc::ActiveDoc;
130		require 5.004;
131	+	use URL::URLcache;
132		use Utilities::AddDir;
133	+	use Utilities::Verbose;
134		use ObjectUtilities::ObjectStore;
135	<	@ISA=qw(ActiveDoc::ActiveDoc ObjectUtilities::StorableObject);
135	>	use Cwd;
136	>	@ISA=qw(Utilities::Verbose);
137
138	<	sub init {
139	<	my $self=shift;
140	<	$self->newparse("init");
141	<	$self->newparse("download");
142	<	$self->newparse("setup");
143	<	$self->addtag("init","project",\&Project_Start,$self,
144	<	\&Project_text,$self,"", $self );
145	<	$self->addurltags("download");
146	<	$self->addtag("download","use",\&Use_download_Start,$self,
147	<	"", $self, "",$self);
148	<	$self->addurltags("setup");
149	<	$self->addtag("setup","use",\&Use_Start,$self, "", $self, "",$self);
138	>	sub new {
139	>	my $class=shift;
140	>	my $self={};
141	>	bless $self, $class;
142	>
143	>	# data init
144	>	$self->{admindir}=".SCRAM";
145	>	$self->{cachedir}="cache";
146	>	$self->{dbdir}="ObjectDB";
147	>	$self->{tbupdate}=0;
148	>	undef $self->{linkarea};
149	>
150	>	return $self;
151		}
152
153	<	sub setup {
153	>	sub cache {
154		my $self=shift;
155
156	<	# --- find out the location
157	<	my $location=$self->requestoption("area_location",
158	<	"Please Enter the location of the directory");
159	<
160	<	# --- find area directory name , default name projectname_version
161	<	my $name=$self->option("area_name");
162	<	my $vers=$self->version;
163	<	if ( ! defined $name ) {
164	<	$name=$self->name();
165	<	$vers=~s/^$name_//;
166	<	$name=$name."_".$vers;
156	>	if ( @_ ) {
157	>	$self->{cache}=shift;
158	>	}
159	>	if ( ! defined $self->{cache} ) {
160	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
161	>	if ( -e $loc  ) {
162	>	$self->{cache}=URL::URLcache->new($loc);
163	>	}
164	>	else {
165	>	$self->{cache}=undef;
166	>	}
167		}
168	<	$self->location($location."/".$name);
168	>	return $self->{cache};
169	>	}
170
171	+	# Tool and project cache info:
172	+	sub cacheinfo
173	+	{
174	+	my $self=shift;
175	+	print "\n","<ConfigArea> cacheinfo: ToolCache = ",$self->{toolcachefile},
176	+	", ProjectCache = ",$self->{projectcachefile},"\n";
177	+	}
178
179	<	# make a new store handler
180	<	my $parentconfig=$self->_setupstore();
179	>	sub toolcachename
180	>	{
181	>	my $self=shift;
182	>	return ($self->location()."/".$self->{admindir}."/".$ENV{SCRAM_ARCH}."/ToolCache.db");
183	>	}
184
185	<	# --- download everything first
186	<	# FIX-ME --- cacheing is broken
187	<	$self->parse("download");
188	<
189	<	# --- and parse the setup file
190	<	$self->parse("setup");
191	<
192	<	# --- store self in original database
193	<	$parentconfig->store($self,"ConfigArea",$self->name(),
194	<	$self->version());
185	>	sub projectcachename
186	>	{
187	>	my $self=shift;
188	>	return ($self->location()."/".$self->{admindir}."/".$ENV{SCRAM_ARCH}."/ProjectCache.db");
189	>	}
190	>
191	>	sub _tbupdate
192	>	{
193	>	# Update toolbox relative to new RequirementsDoc:
194	>	my $self=shift;
195	>	@_?$self->{tbupdate}=shift
196	>	:$self->{tbupdate};
197	>	}
198	>
199	>	sub _newcache {
200	>	my $self=shift;
201	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
202	>	$self->{cache}=URL::URLcache->new($loc);
203	>	return $self->{cache};
204		}
205
206	<	sub _setupstore {
206	>	sub _newobjectstore {
207		my $self=shift;
208	+	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
209	+	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
210	+	return $self->{dbstore};
211	+	}
212	+
213	+	sub objectstore {
214	+	my $self=shift;
215	+
216	+	if ( @_ ) {
217	+	$self->{dbstore}=shift;
218	+	}
219	+	if ( ! defined $self->{dbstore} ) {
220	+	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
221	+	if ( -e $loc ) {
222	+	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
223	+	}
224	+	else {
225	+	$self->{dbstore}=undef;
226	+	}
227	+	}
228	+	return $self->{dbstore}
229	+	}
230
231	<	# --- make a new ActiveStore at the location and add it to the db list
232	<	my $ad=ActiveDoc::ActiveConfig->new($self->location()."/\.SCRAM");
231	>	sub name {
232	>	my $self=shift;
233	>	@_?$self->{name}=shift
234	>	:$self->{name};
235	>	}
236
237	<	my $parentconfig=$self->config();
238	<	$self->config(Configuration::ConfigureStore->new());
239	<	$self->config()->db("local",$ad);
240	<	$self->config()->db("parent",$parentconfig);
86	<	$self->config()->policy("cache","local");
87	<	$self->config()->basedoc($parentconfig->basedoc());
88	<	return $parentconfig;
237	>	sub version {
238	>	my $self=shift;
239	>	@_?$self->{version}=shift
240	>	:$self->{version};
241		}
242
243	<	sub store {
243	>	sub setup {
244		my $self=shift;
245		my $location=shift;
246	+	my $areaname;
247	+
248	+	# -- check we have a project name and version
249	+	my $name=$self->name();
250	+	my $vers=$self->version();
251	+
252	+	if ( ( ! defined $name ) && ( ! defined $version )) {
253	+	$self->error("Set ConfigArea name and version before setup");
254	+	}
255	+
256	+	# -- check arguments and set location
257	+	if ( ! defined $location ) {
258	+	$self->error("ConfigArea: Cannot setup new area without a location");
259	+	}
260	+	if ( @_ ) {
261	+	$areaname=shift;
262	+	}
263	+	if ( (! defined $areaname) || ( $areaname eq "" ) ) {
264	+	# -- make up a name from the project name and version
265	+	$vers=~s/^$name\_//;
266	+	$areaname=$name."_".$vers;
267	+	}
268	+	my $arealoc=$location."/".$areaname;
269	+	my $workloc=$arealoc."/".$self->{admindir};
270	+	$self->verbose("Building at $arealoc");
271	+	$self->location($arealoc);
272	+
273	+	# -- create top level structure and work area
274	+	AddDir::adddir($workloc);
275	+
276	+	# -- add a cache
277	+	$self->_newcache();
278	+
279	+	# -- add an Objectstore
280	+	$self->_newobjectstore();
281	+
282	+	# -- Save Environment File
283	+	$self->_SaveEnvFile();
284
95	–	my $fh=$self->openfile(">".$location);
96	–	print $fh $self->location()."\n";
97	–	$fh->close();
285		}
286
287	<	sub restore {
287	>	sub configurationdir {
288		my $self=shift;
289	+	if ( @_ ) {
290	+	$self->{configurationdir}=shift;
291	+	}
292	+	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
293	+	}
294
295	<	my $fh=$self->openfile("<".$location);
296	<	$self->{location}=<$fh>;
297	<	chomp $self->{location};
298	<	$fh->close();
295	>	sub sourcedir {
296	>	my $self=shift;
297	>	if ( @_ ) {
298	>	$self->{sourcedir}=shift;
299	>	}
300	>	return (defined $self->{sourcedir})?$self->{sourcedir}:undef;
301	>	}
302
303	+	sub toolbox {
304	+	my $self=shift;
305	+	if ( ! defined $self->{toolbox} ) {
306	+	$self->{toolbox}=BuildSystem::ToolBox->new($self, $ENV{SCRAM_ARCH});
307	+	}
308	+	return $self->{toolbox};
309		}
310
311	<	sub name {
311	>	sub toolboxversion {
312		my $self=shift;
313	+	if ( @_ ) {
314	+	$self->{toolboxversion}=shift;
315	+	}
316	+	return (defined $self->{toolboxversion})?$self->{toolboxversion}:undef;
317	+	}
318
319	<	@_?$self->{name}=shift
320	<	:$self->{name};
319	>	sub requirementsdoc {
320	>	my $self=shift;
321	>	if ( @_ ) {
322	>	$self->{reqdoc}=shift;
323	>	}
324	>	if ( defined $self->{reqdoc} ) {
325	>	return $self->location()."/".$self->{reqdoc};
326	>	}
327	>	else {
328	>	return undef;
329	>	}
330		}
331
332	<	sub version {
332	>	sub scramversion {
333		my $self=shift;
334	+	if ( ! defined $self->{scramversion} ) {
335	+	my $filename=$self->location()."/".$self->configurationdir()."/".
336	+	"scram_version";
337	+	if ( -f $filename ) {
338	+	use FileHandle;
339	+	$fh=FileHandle->new();
340	+	open ($fh, "<".$filename);
341	+	my $version=<$fh>;
342	+	chomp $version;
343	+	$self->{scramversion}=$version;
344	+	undef $fh;
345	+	}
346	+	}
347	+	return $self->{scramversion};
348	+	}
349
350	<	@_?$self->{version}=shift
351	<	:$self->{version};
350	>	sub sitename
351	>	{
352	>	###############################################################
353	>	# sitename()                                                  #
354	>	###############################################################
355	>	# modified : Mon Dec  3 15:45:35 2001 / SFA                   #
356	>	# params   :                                                  #
357	>	#          :                                                  #
358	>	#          :                                                  #
359	>	#          :                                                  #
360	>	# function : Read the site name from config/site/sitename and #
361	>	#          : export it.                                       #
362	>	#          :                                                  #
363	>	#          :                                                  #
364	>	###############################################################
365	>	my $self = shift;
366	>	my $sitefile = $self->location()."/".$self->configurationdir()."/site/sitename";
367	>
368	>	$self->{sitename} = 'CERN'; # Use CERN as the default site name
369	>
370	>	use FileHandle;
371	>	my $sitefh = FileHandle->new();
372	>
373	>	# Be verbose and print file we're going to read:
374	>	$self->verbose(">> Going to try to get sitename from: ".$sitefile." ");
375	>
376	>	# See if we can read from the file. If not, just
377	>	# use default site name:
378	>	open($sitefh,"<".$sitefile) ||
379	>	do
380	>	{
381	>	$self->verbose(">> Unable to read a site name definition file. Using \'CERN\' as the site name.");
382	>	return $self->{sitename};
383	>	};
384	>
385	>	$sitename = <$sitefh>;
386	>	chomp($sitename);
387	>	$self->{sitename} = $sitename;
388	>
389	>	# Close the file (be tidy!);
390	>	close($sitefile);
391	>	# Return:
392	>	return $self->{sitename};
393	>	}
394	>
395	>	sub admindir()
396	>	{
397	>	my $self=shift;
398	>
399	>	@_ ? $self->{admindir} = shift
400	>	: $self->{admindir};
401	>	}
402	>
403	>	sub bootstrapfromlocation {
404	>	my $self=shift;
405	>
406	>	my $rv=0;
407	>
408	>	my $location;
409	>	if ( ! defined ($location=$self->searchlocation(@_)) ) {
410	>	$rv=1;
411	>	$self->verbose("Unable to locate the top of local configuration area");
412	>	}
413	>	else {
414	>	$self->location($location);
415	>	$self->verbose("Found top ".$self->location());
416	>	$self->_LoadEnvFile();
417	>	}
418	>	return $rv;
419		}
420
421		sub location {
422		my $self=shift;
423
424	<	@_?$self->{location}=shift
425	<	:$self->{location};
424	>	if ( @_ ) {
425	>	$self->{location}=shift;
426	>	}
427	>	elsif ( ! defined $self->{location} ) {
428	>	# try and find the release location
429	>	$self->{location}=$self->searchlocation();
430	>	}
431	>	return  $self->{location};
432		}
433
434	<	sub meta {
434	>	sub searchlocation {
435		my $self=shift;
436	+
437	+	#start search in current directory if not specified
438	+	my $thispath;
439	+	if ( @_ ) {
440	+	$thispath=shift
441	+	}
442	+	else {
443	+	$thispath=cwd();
444	+	}
445	+
446	+	my $rv=0;
447
448	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
449	<	$self->location;
448	>	# chop off any files - we only want dirs
449	>	if ( -f $thispath ) {
450	>	$thispath=~s/(.*)\/.*/$1/;
451	>	}
452	>	Sloop:{
453	>	do {
454	>	$self->verbose("Searching $thispath");
455	>	if ( -e "$thispath/".$self->{admindir} ) {
456	>	$self->verbose("Found\n");
457	>	$rv=1;
458	>	last Sloop;
459	>	}
460	>	} while ( ($thispath=~s/(.*)\/.*/$1/)=~/./ ) };
461	>
462	>	return $rv?$thispath:undef;
463		}
464
465	<	sub configitem {
465	>	sub archname {
466		my $self=shift;
467	<	my $location=shift;
467	>	if ( @_ ) {
468	>	$self->{archname}=shift;
469	>	}
470	>	return $self->{archname};
471	>	}
472	>
473	>	sub archdir {
474	>	my $self=shift;
475	>	if ( @_ ) {
476	>	$self->{archdir}=shift;
477	>	}
478	>	if ( ! defined $self->{archdir} ) {
479	>	if ( defined $self->{archname} ) {
480	>	$self->{archdir}=$self->location()."/".$self->{admindir}."/".
481	>	$self->{archname};
482	>	}
483	>	else {
484	>	$self->error("ConfigArea : cannot create arch directory - ".
485	>	"architecture name not set")
486	>	}
487	>	}
488	>	return $self->{archdir};
489	>	}
490	>
491	>	sub satellite {
492	>	my $self=shift;
493	>
494	>	# -- create the sat object
495	>	my $sat=Configuration::ConfigArea->new();
496	>	$sat->name($self->name());
497	>	$sat->version($self->version());
498	>	$sat->requirementsdoc($self->{reqdoc});
499	>	$sat->configurationdir($self->configurationdir());
500	>	$sat->sourcedir($self->sourcedir());
501	>	$sat->toolboxversion($self->toolboxversion());
502	>	$sat->setup(@_);
503	>
504	>	# -- copy across the cache and ObjectStore
505	>	# -- make sure we dont try building new caches in release areas
506	>	my $rcache=$self->cache();
507	>	if ( defined $rcache ) {
508	>	copy($rcache->location(),$sat->cache()->location());
509	>	}
510	>
511	>	# -- make sure we dont try building new objectstores in release areas
512	>	my $rostore=$self->objectstore();
513	>	if ( defined $rostore ) {
514	>	copy($rostore->location(),$sat->objectstore()->location());
515	>	}
516	>
517	>	# and make sure in reinitialises
518	>	undef ($sat->{cache});
519	>
520	>	# -- link it to this area
521	>	$sat->linkarea($self);
522
523	<	$self->config()->find("ConfigItem",@_);
523	>	# -- save it
524	>	$sat->save();
525	>
526	>	return $sat;
527		}
528
529	<	sub addconfigitem {
529	>	sub copy {
530		my $self=shift;
531	<	my $url=shift;
531	>	my $destination=shift;
532
533	<	my $docref=$self->activatedoc($url);
534	<	# Set up the document
535	<	$docref->setup();
152	<	$self->config()->storepolicy("local");
153	<	$docref->save();
533	>	# copy across the admin dir
534	>	my $temp=$self->location()."/".$self->{admindir};
535	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
536		}
537
538	<	# -------------- Tags ---------------------------------
157	<	# -- init parse
158	<	sub Project_Start {
538	>	sub align {
539		my $self=shift;
540	<	my $name=shift;
161	<	my $hashref=shift;
540	>	use File::Copy;
541
542	<	$self->checktag($name,$hashref,'name');
543	<	$self->checktag($name,$hashref,'version');
542	>	$self->_LoadEnvFile();
543	>	my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
544	>	my $tmpEnvfile=$Envfile.".bak";
545	>	my $rel=$self->{ENV}{RELEASETOP};
546	>	my $local=$self->location();
547
548	<	$self->name($$hashref{'name'});
549	<	$self->version($$hashref{'version'});
548	>	rename( $Envfile, $tmpEnvfile );
549	>	use FileHandle;
550	>	my $fh=FileHandle->new();
551	>	my $fout=FileHandle->new();
552	>	open ( $fh, "<".$tmpEnvfile ) or
553	>	$self->error("Cannot find Environment file. Area Corrupted? ("
554	>	.$self->location().")\n $!");
555	>	open ( $fout, ">".$Envfile ) or
556	>	$self->error("Cannot find Environment file. Area Corrupted? ("
557	>	.$self->location().")\n $!");
558	>	while ( <$fh> ) {
559	>	$_=~s/\Q$rel\L/$local/g;
560	>	print $fout $_;
561	>	}
562	>	undef $fh;
563	>	undef $fout;
564		}
565
566	+	sub copysetup {
567	+	my $self=shift;
568	+	my $dest=shift;
569	+	my $rv=1;
570	+	# copy across the admin dir
571	+	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
572	+	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
573	+	if ( $temp ne $temp2 ) {
574	+	if ( -d $temp ) {
575	+	AddDir::copydir($temp,$temp2);
576	+	$rv=0;
577	+	}
578	+	}
579	+	return $rv;
580	+	}
581	+
582	+	sub copyurlcache {
583	+	my $self=shift;
584	+	my $dest=shift;
585	+	my $rv=1;
586	+	# copy across the admin dir
587	+	my $temp=$self->location()."/".$self->{admindir}."/cache";
588	+	my $temp2=$dest."/".$self->{admindir}."/cache";
589	+	if ( $temp ne $temp2 ) {
590	+	if ( -d $temp ) {
591	+	AddDir::copydir($temp,$temp2);
592	+	$rv=0;
593	+	}
594	+	}
595	+	return $rv;
596	+	}
597
598	<	sub Project_text {
598	>	sub copywithskip {
599		my $self=shift;
600	<	my $name=shift;
601	<	my $string=shift;
600	>	my $dest=shift;
601	>	my $filetoskip=shift || [];
602	>	my $rv=1;
603	>	# copy across the admin dir
604	>	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
605	>	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
606	>	if ( $temp ne $temp2 ) {
607	>	if ( -d $temp ) {
608	>	my $fs=[];
609	>	foreach my $f (@$filetoskip) {push @$fs,"${temp}/${f}";}
610	>	AddDir::copydirwithskip($temp,$temp2,$fs);
611	>	$rv=0;
612	>	}
613	>	}
614	>	return $rv;
615	>	}
616
617	<	print $string;
617	>	sub copyenv {
618	>	my $self=shift;
619	>	my $hashref=shift;
620	>
621	>	foreach $elem ( keys %{$self->{ENV}} ) {
622	>	$$hashref{$elem}=$self->{ENV}{$elem};
623	>	}
624		}
625
626	<	# ---- download parse
626	>	sub arch {
627	>	my $self=shift;
628	>	return $ENV{SCRAM_ARCH};
629	>	}
630
631	<	sub Use_download_Start {
631	>	sub linkto {
632		my $self=shift;
633	<	my $name=shift;
184	<	my $hashref=shift;
633	>	my $location=shift;
634
635	<	$self->checktag($name,$hashref,'url');
636	<	print "Downloading .... ".$$hashref{'url'}."\n";
637	<	$self->getfile($$hashref{'url'});
635	>	if ( -d $location ) {
636	>	my $area=Configuration::ConfigArea->new();
637	>	$area->bootstrapfromlocation($location);
638	>	$self->linkarea($area);
639	>	}
640	>	else {
641	>	$self->error("ConfigArea : Unable to link to non existing directory ".
642	>	$location);
643	>	}
644		}
645
646	<	# --- setup parse
646	>	sub unlinkarea {
647	>	my $self=shift;
648	>	undef $self->{linkarea};
649	>	$self->{linkarea}=undef;
650	>	$self->save();
651	>	}
652
653	<	sub Use_Start {
653	>	sub linkarea {
654		my $self=shift;
655	<	my $name=shift;
656	<	my $hashref=shift;
657	<
658	<	$self->checktag($name,$hashref,'url');
659	<	$self->addconfigitem($$hashref{'url'});
655	>	my $area=shift;
656	>	if ( defined $area ) {
657	>	$self->{linkarea}=$area;
658	>	}
659	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
660	>	$self->{linkarea}:undef;
661		}
662
663	+	sub save {
664	+	my $self=shift;
665	+	$self->_SaveEnvFile();
666	+	}
667	+
668	+	sub reqdoc()
669	+	{
670	+	my $self=shift;
671	+	my ($path)=@_;
672	+	return $path."/".$self->{reqdoc};
673	+	}
674	+
675	+	sub creationtime()
676	+	{
677	+	my $self=shift;
678	+	my ($location)= @_;
679	+	$location||=$self->location();
680	+	my $requirementsdoc = $self->reqdoc($location);
681	+	my ($mode, $time) = (stat($requirementsdoc))[2, 9];
682	+	my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($time);
683	+
684	+	($sec < 10) ? ($sec = "0".$sec) : $sec;
685	+	($min < 10) ? ($min = "0".$min) : $min;
686	+
687	+	$year += 1900;
688	+	my $months =
689	+	{
690	+	0 => "Jan", 1 => "Feb",
691	+	2 => "Mar", 3 => "Apr",
692	+	4 => "May", 5 => "Jun",
693	+	6 => "Jul", 7 => "Aug",
694	+	8 => "Sept", 9 => "Oct",
695	+	10 => "Nov", 11 => "Dec" };
696	+
697	+	my $days = { 1 => "Mon", 2 => "Tue", 3 => "Wed", 4 => "Thu", 5 => "Fri", 6 => "Sat", 7 => "Sun"};
698	+
699	+	# Return the timestamp (as string) of the requirementsdoc:
700	+	return $days->{$wday}."-".$mday."-".$months->{$mon}."-".$year." ".$hour.":".$min.":".$sec;
701	+	}
702	+
703	+	# ---- support routines
704	+
705	+	sub _SaveEnvFile
706	+	{
707	+	my $self=shift;
708	+	my $filemode = 0644;
709	+
710	+	use FileHandle;
711	+	my $fh=FileHandle->new();
712	+	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
713	+	"Environment" ) or
714	+	$self->error("Cannot Open Environment file to Save ("
715	+	.$self->location().")\n $!");
716	+
717	+	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
718	+	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
719	+	print $fh "SCRAM_CONFIGDIR=".$self->configurationdir()."\n";
720	+	print $fh "SCRAM_SOURCEDIR=".$self->sourcedir()."\n";
721	+	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
722	+	print $fh "SCRAM_TOOLBOXVERSION=".$self->{toolboxversion}."\n";
723	+
724	+	if ( defined $self->linkarea() )
725	+	{
726	+	my $area=$self->linkarea()->location();
727	+	if ( $area ne "" )
728	+	{
729	+	print $fh "RELEASETOP=".$area."\n";
730	+	}
731	+	}
732	+
733	+	undef $fh;
734	+
735	+	# Repeat the exercise to save as XML:
736	+	my $fh=FileHandle->new();
737	+	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
738	+	"Environment.xml" ) or
739	+	$self->error("Cannot Open Environment.xml file to Save ("
740	+	.$self->location().")\n $!");
741	+	print $fh "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n";
742	+	print $fh "<doc type=\"Configuration::ProjectEnvironment\" version=\"1.0\">\n";
743	+	print $fh " <environment SCRAM_PROJECTNAME=\"".$self->name()."\"/>\n";
744	+	print $fh " <environment SCRAM_PROJECTVERSION=\"".$self->version()."\"/>\n";
745	+	print $fh " <environment SCRAM_CONFIGDIR=\"".$self->configurationdir()."\"/>\n";
746	+	print $fh " <environment SCRAM_SOURCEDIR=\"".$self->sourcedir()."\"/>\n";
747	+	print $fh " <environment SCRAM_ProjReqsDoc=\"".$self->{reqdoc}."\"/>\n";
748	+	print $fh " <environment SCRAM_TOOLBOXVERSION=\"".$self->{toolboxversion}."\"/>\n";
749	+
750	+	if ( defined $self->linkarea() )
751	+	{
752	+	my $area=$self->linkarea()->location();
753	+	if ( $area ne "" )
754	+	{
755	+	print $fh " <environment RELEASETOP=\"".$area."\"/>\n";
756	+	}
757	+	}
758	+
759	+	print $fh "</doc>\n";
760	+	undef $fh;
761	+
762	+	# Set the default permissions (-rw-r--r--):
763	+	chmod $filemode, $self->location()."/".$self->{admindir}."/Environment";
764	+	chmod $filemode, $self->location()."/".$self->{admindir}."/Environment.xml";
765	+	}
766	+
767	+	sub _LoadEnvFile
768	+	{
769	+	my $self=shift;
770	+
771	+	use FileHandle;
772	+	my $fh=FileHandle->new();
773	+	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
774	+	"Environment" ) or
775	+	$self->error("Cannot find Environment file. Area Corrupted? ("
776	+	.$self->location().")\n $!");
777	+	while ( <$fh> )
778	+	{
779	+	chomp;
780	+	next if /^#/;
781	+	next if /^\s*$/ ;
782	+	($name, $value)=split /=/;
783	+	eval "\$self->{ENV}{${name}}=\"$value\"";
784	+	}
785	+	undef $fh;
786	+
787	+	# -- set internal variables appropriately
788	+	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} )
789	+	{
790	+	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
791	+	}
792	+	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} )
793	+	{
794	+	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
795	+	}
796	+	if ( defined $self->{ENV}{"SCRAM_CONFIGDIR"} )
797	+	{
798	+	$self->configurationdir($self->{ENV}{"SCRAM_CONFIGDIR"});
799	+	}
800	+	if ( defined $self->{ENV}{"SCRAM_SOURCEDIR"} )
801	+	{
802	+	$self->sourcedir($self->{ENV}{"SCRAM_SOURCEDIR"});
803	+	}
804	+	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} )
805	+	{
806	+	$self->requirementsdoc($self->{ENV}{"SCRAM_ProjReqsDoc"});
807	+	}
808	+	if ( defined $self->{ENV}{"SCRAM_TOOLBOXVERSION"} )
809	+	{
810	+	if ($self->{ENV}{"SCRAM_TOOLBOXVERSION"} eq '')
811	+	{
812	+	$self->toolboxversion("STANDALONE");
813	+	}
814	+	else
815	+	{
816	+	$self->toolboxversion($self->{ENV}{"SCRAM_TOOLBOXVERSION"});
817	+	}
818	+	}
819	+
820	+	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
821	+	($self->{ENV}{"RELEASETOP"} ne $self->location()))
822	+	{
823	+	$self->linkto($self->{ENV}{"RELEASETOP"});
824	+	}
825	+	}

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