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root/cvsroot/COMP/SCRAM/src/Configuration/ConfigArea.pm

Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.4 by williamc, Fri Jan 21 11:56:38 2000 UTC vs.
Revision 1.26 by sashby, Wed Feb 2 18:57:01 2005 UTC

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

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