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Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.13 by williamc, Mon Mar 13 10:23:19 2000 UTC vs.
Revision 1.14 by williamc, Mon Aug 28 08:35:14 2000 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	<	# Options
10	>	# Notes
11		# -------
12	<	# ConfigArea_location
13	<	# ConfigArea_name
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	<	# storeconfigobject(confiItemobj) : store a ready made ConfigItem in the local
27	<	#                                       area
28	<	# configitem(@keys)             : return a list of fig items that match
29	<	#                                 the keys - all if left blank
30	<	# parentstore()                 : set/return the parent ObjectStore
31	<	# basearea(ConfigArea)          : Set/Get the base area
32	<	# freebase()                    : Remove any link to a base area
33	<	# bootstrapfromlocation([location]): bootstrap the object based on location.
34	<	#                                 no location specified - cwd used
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	<	# defaultdirname()              : return the default directory name string
29	<	# copy(location)                : make a copy of the current area at the
30	<	#                                 specified location - defaults to cwd/default
31	<	#                                 if not specified . ConfigArea_name,
32	<	#                                 ConfigArea_location also override .
33	<	#                                 Return an object representing the area
34	<	# satellite()                   : make a satellite area based on $self
35	<	# arch([archobj])               : Set/get the architecture object
36	<	# structure(name)               : return the object corresponding to the
37	<	#                                 structure name
38	<	# structurelist()               : return list of structure objectS
39	<	# downloadtotop(dir,url)        : download the url to a dir in the config area
40	<	#
28	>	# scramversion()                : return the scram version associated with
29	>	#                                 area
30	>	# configurationdir()            : return the location of the project
31	>	#                                 configuration directory
32	>	# copy(location)                : copy a configuration
33	>	# copysetup(location)           : copy the architecture specific tool setup
34	>	#                                 returns 0 if successful, 1 otherwise
35	>	# copyenv($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;
52	–	use ActiveDoc::ActiveDoc;
49		require 5.004;
50	+	use URL::URLcache;
51		use Utilities::AddDir;
52	+	use Utilities::Verbose;
53		use ObjectUtilities::ObjectStore;
56	–	use Configuration::ConfigStore;
57	–	use Configuration::ActiveDoc_arch;
54		use Cwd;
55	<	@ISA=qw(Configuration::ActiveDoc_arch ObjectUtilities::StorableObject);
55	>	@ISA=qw(Utilities::Verbose);
56
57	<	sub init {
58	<	my $self=shift;
59	<
60	<	$self->newparse("init");
65	<	$self->newparse("download");
66	<	$self->newparse("setup");
67	<	$self->newparse("setup_tools");
68	<	$self->addarchtags("setup_tools");
69	<	$self->addarchtags("setup");
70	<	$self->addtag("init","project",\&Project_Start,$self,
71	<	\&Project_text,$self,"", $self );
72	<	$self->addurltags("download");
73	<	$self->addtag("download","download",\&Download_Start,$self,
74	<	"", $self, "",$self);
75	<	$self->addtag("download","use",\&Use_download_Start,$self,
76	<	"", $self, "",$self);
77	<	$self->addurltags("setup");
78	<	$self->addurltags("setup_tools");
79	<	$self->addtag("setup_tools","use",\&Use_Start,$self, "", $self, "",$self);
80	<	$self->addtag("setup","structure",\&Structure_Start,$self,
81	<	"", $self, "",$self);
57	>	sub new {
58	>	my $class=shift;
59	>	my $self={};
60	>	bless $self, $class;
61
62		# data init
63	<	$self->{admindir}=".SCRAM";
63	>	$self->{admindir}=".SCRAM";
64	>	$self->{cachedir}="cache";
65	>	$self->{dbdir}="ObjectDB";
66	>	undef $self->{linkarea};
67	>
68	>	return $self;
69		}
70
71	<	sub basearea {
71	>	sub cache {
72		my $self=shift;
89	–
90	–	my $area;
73		if ( @_ ) {
74	<	$area=shift;
93	<	$self->config()->store($area,"BaseArea");
74	>	$self->{cache}=shift;
75		}
76	<	else {
77	<	($area)=$self->config()->find("BaseArea");
76	>	elsif ( ! defined $self->{cache} ) {
77	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
78	>	$self->{cache}=URL::URLcache->new($loc);
79		}
80	<	return $area;
80	>	return $self->{cache};
81		}
82
83	<	sub freebase {
83	>	sub objectstore {
84		my $self=shift;
85	<	$self->config()->delete("BaseArea");
85	>	if ( @_ ) {
86	>	$self->{dbstore}=shift;
87	>	}
88	>	elsif ( ! defined $self->{dbstore} ) {
89	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
90	>	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
91	>	}
92	>	return $self->{dbstore}
93		}
94
95	<	sub defaultdirname {
95	>	sub name {
96		my $self=shift;
97	<	my $name=$self->name();
98	<	my $vers=$self->version();
110	<	$vers=~s/^$name\_//;
111	<	$name=$name."_".$vers;
112	<	return $name;
97	>	@_?$self->{name}=shift
98	>	:$self->{name};
99		}
100
101	+	sub version {
102	+	my $self=shift;
103	+	@_?$self->{version}=shift
104	+	:$self->{version};
105	+	}
106
107		sub setup {
108		my $self=shift;
109	+	my $location=shift;
110	+	my $areaname;
111
112	<	# --- find out the location - default is cwd
113	<	my $location=$self->option("ConfigArea_location");
112	>	# -- check we have a project name and version
113	>	my $name=$self->name();
114	>	my $vers=$self->version();
115	>	if ( ( ! defined $name ) && ( ! defined $version )) {
116	>	$self->error("Set ConfigArea name and version before setup");
117	>	}
118	>
119	>	# -- check arguments and set location
120		if ( ! defined $location ) {
121	<	$location=cwd();
121	>	$self->error("ConfigArea: Cannot setup new area without a location");
122		}
123	<	elsif ( $location!~/^\// ) {
124	<	$location=cwd()."/".$location;
123	>	if ( @_ ) {
124	>	$areaname=shift;
125		}
126	<
127	<	# --- find area directory name , default name projectname_version
128	<	my $name=$self->option("ConfigArea_name");
129	<	if ( ! defined $name ) {
131	<	$name=$self->defaultdirname();
126	>	if ( (! defined $areaname) || ( $areaname eq "" ) ) {
127	>	# -- make up a name from the project name and version
128	>	$vers=~s/^$name\_//;
129	>	$areaname=$name."_".$vers;
130		}
131	<	$self->location($location."/".$name);
131	>	my $arealoc=$location."/".$areaname;
132	>	my $workloc=$arealoc."/".$self->{admindir};
133	>	$self->verbose("Building at $arealoc");
134	>	$self->location($arealoc);
135
136	<	# make a new store handler
137	<	$self->_setupstore();
136	>	# -- create top level structure and work area
137	>	AddDir::adddir($workloc);
138
139	<	# --- download everything first
140	<	$self->parse("download");
140	<
141	<	# --- and parse the setup file
142	<	$self->parse("setup");
143	<	$self->parse("setup_tools");
144	<
145	<	# --- store bootstrap info
146	<	$self->store($self->location()."/".$self->{admindir}."/ConfigArea.dat");
139	>	# -- add a cache
140	>	$self->cache();
141
142	<	# --- store self in original database
143	<	$self->parentconfig()->store($self,"ConfigArea",$self->name(),
150	<	$self->version());
151	<	}
142	>	# -- Save Environment File
143	>	$self->_SaveEnvFile();
144
153	–	sub structure {
154	–	my $self=shift;
155	–	my $vr=shift;
156	–	return $self->{structures}{$vr};
145		}
146
147	<	sub structurelist {
147	>	sub configurationdir {
148		my $self=shift;
149	<	return ( keys %{$self->{structures}} );
149	>	if ( @_ ) {
150	>	$self->{configurationdir}=shift;
151	>	}
152	>	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
153		}
154
155	<	sub _setupstore {
155	>	sub toolbox {
156		my $self=shift;
157	<
158	<	# --- make a new ConfigStore at the location and add it to the db list
159	<	my $ad=Configuration::ConfigStore->new($self->location().
160	<	"/".$self->{admindir}, $self->arch());
170	<
171	<	$self->parentconfig($self->config());
172	<	#        $self->config(Configuration::ConfigureStore->new());
173	<	#        $self->config()->db("local",$ad);
174	<	#        $self->config()->db("parent",$self->parentconfig());
175	<	#        $self->config()->policy("cache","local");
176	<	$self->config($ad);
177	<	$self->config()->basedoc($self->parentconfig()->basedoc());
157	>	if ( ! defined $self->{toolbox} ) {
158	>	$self->{toolbox}=BuildSystem::ToolBox->new($self);
159	>	}
160	>	return $self->{toolbox};
161		}
162
163	<	sub bootstrapfromlocation {
163	>	sub requirementsdoc {
164		my $self=shift;
165	<
166	<	if ( ! defined $self->location(@_) ) {
167	<	$self->error("Unable to locate the top of local configuration area");
168	<	}
169	<	$self->verbose("Found top ".$self->location());
187	<	$self->_setupstore();
188	<	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
189	<	if ( -e $infofile ) {
190	<	$self->restore($infofile);
165	>	if ( @_ ) {
166	>	$self->{reqdoc}=shift;
167	>	}
168	>	if ( defined $self->{reqdoc} ) {
169	>	return $self->location()."/".$self->{reqdoc};
170		}
171		else {
172	<	$self->error("Area corrupted - cannot find $infofile");
172	>	return undef;
173		}
174		}
175
176	<	sub parentconfig {
198	<	my $self=shift;
199	<	@_?$self->{parentconfig}=shift
200	<	:$self->{parentconfig};
201	<	}
202	<
203	<	sub store {
176	>	sub scramversion {
177		my $self=shift;
178	<	my $location=shift;
179	<
180	<	my $fh=$self->openfile(">".$location);
181	<	$self->savevar($fh,"location", $self->location());
182	<	$self->savevar($fh,"url", $self->url());
183	<	$self->savevar($fh,"name", $self->name());
184	<	$self->savevar($fh,"version", $self->version());
185	<	$fh->close();
186	<
187	<	$self->_storestructures();
188	<	}
189	<
190	<	sub satellite {
191	<	my $self=shift;
219	<	my $newarea=$self->copy(@_);
220	<	$newarea->_makesatellites();
221	<	return $newarea;
178	>	if ( ! defined $self->{scramversion} ) {
179	>	my $filename=$self->location()."/".$self->configurationdir()."/".
180	>	"scram_version";
181	>	if ( -f $filename ) {
182	>	use FileHandle;
183	>	$fh=FileHandle->new();
184	>	open ($fh, "<".$filename);
185	>	my $version=<$fh>;
186	>	chomp $version;
187	>	$self->{scramversion}=$version;
188	>	undef $fh;
189	>	}
190	>	}
191	>	return $self->{scramversion};
192		}
193
194	<	sub copy {
194	>	sub bootstrapfromlocation {
195		my $self=shift;
226	–	use File::Basename;
227	–	# create the area
196
197	<	my $destination;
198	<	if ( @_ ) {
199	<	$destination=shift;
197	>	my $rv=0;
198	>
199	>	my $location;
200	>	if ( ! defined ($location=$self->searchlocation(@_)) ) {
201	>	$rv=1;
202	>	$self->verbose("Unable to locate the top of local configuration area");
203		}
204		else {
205	<	my($location,$name)=$self->_defaultoptions();
206	<	$destination=$location."/".$name
205	>	$self->location($location);
206	>	$self->verbose("Found top ".$self->location());
207	>	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
208	>	$self->_LoadEnvFile();
209		}
210	<	#AddDir::adddir(dirname($destination)."/".$self->{admindir});
238	<	#AddDir::adddir($destination."/".$self->{admindir});
239	<
240	<	# copy across the admin dir
241	<	$temp=$self->location()."/".$self->{admindir};
242	<	AddDir::copydir($temp,"$destination/".$self->{admindir});
243	<	# create a new object based on the new area
244	<	my $newarea=ref($self)->new($self->parentconfig());
245	<	$newarea->bootstrapfromlocation($destination);
246	<	# save it with the new location info
247	<	$newarea->store($self->location()."/".$self->{admindir}.
248	<	"/ConfigArea.dat");
249	<	return $newarea;
250	<	}
251	<
252	<	sub restore {
253	<	my $self=shift;
254	<	my $location=shift;
255	<
256	<	my $fh=$self->openfile("<".$location);
257	<	my $varhash={};
258	<	$self->restorevars($fh,$varhash);
259	<	if ( ! defined $self->location() ) {
260	<	$self->location($$varhash{"location"});
261	<	}
262	<	$self->_setupstore();
263	<	$self->url($$varhash{"url"});
264	<	$self->name($$varhash{"name"});
265	<	$self->version($$varhash{"version"});
266	<	$fh->close();
267	<
268	<	$self->_restorestructures();
269	<	}
270	<
271	<	sub name {
272	<	my $self=shift;
273	<
274	<	@_?$self->{name}=shift
275	<	:$self->{name};
276	<	}
277	<
278	<	sub version {
279	<	my $self=shift;
280	<
281	<	@_?$self->{version}=shift
282	<	:$self->{version};
210	>	return $rv;
211		}
212
213		sub location {
#	Line 300 | Line 228 | sub searchlocation {
228
229		#start search in current directory if not specified
230		my $thispath;
231	<	@_?$thispath=shift
232	<	:$thispath=cwd();
231	>	if ( @_ ) {
232	>	$thispath=shift
233	>	}
234	>	else {
235	>	$thispath=cwd();
236	>	}
237
238		my $rv=0;
239
240	+	# chop off any files - we only want dirs
241	+	if ( -f $thispath ) {
242	+	$thispath=~s/(.*)\/.*/$1/;
243	+	}
244		Sloop:{
245		do {
246	<	#         print "Searching $thispath\n";
246	>	$self->verbose("Searching $thispath");
247		if ( -e "$thispath/".$self->{admindir} ) {
248	<	#           print "Found\n";
248	>	$self->verbose("Found\n");
249		$rv=1;
250		last Sloop;
251		}
#	Line 318 | Line 254 | sub searchlocation {
254		return $rv?$thispath:undef;
255		}
256
257	<	sub meta {
257	>	sub archname {
258		my $self=shift;
259	+	if ( @_ ) {
260	+	$self->{archname}=shift;
261	+	}
262	+	return $self->{archname};
263	+	}
264
265	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
266	<	$self->location;
265	>	sub archdir {
266	>	my $self=shift;
267	>	if ( @_ ) {
268	>	$self->{archdir}=shift;
269	>	}
270	>	if ( ! defined $self->{archdir} ) {
271	>	if ( defined $self->{archname} ) {
272	>	$self->{archdir}=$self->location()."/".$self->{admindir}."/".
273	>	$self->{archname};
274	>	}
275	>	else {
276	>	$self->error("ConfigArea : cannot create arch directory - ".
277	>	"architecture name not set")
278	>	}
279	>	}
280	>	return $self->{archdir};
281		}
282
283	<	sub configitem {
283	>	sub satellite {
284		my $self=shift;
285	+
286	+	# -- create the sat object
287	+	my $sat=Configuration::ConfigArea->new();
288	+	$sat->name($self->name());
289	+	$sat->version($self->version());
290	+	$sat->requirementsdoc($self->{reqdoc});
291	+	$sat->configurationdir($self->configurationdir());
292	+	$sat->setup(@_);
293	+
294	+	# -- copy across the cache and ObjectStore
295	+	copy($self->cache()->location(),$sat->cache()->location());
296	+	copy($self->objectstore()->location(),$sat->objectstore()->location());
297	+
298	+	# and make sure in reinitialises
299	+	undef ($sat->{cache});
300	+
301	+	# -- link it to this area
302	+	$sat->linkarea($self);
303
304	<	return ($self->config()->find("ConfigItem",@_));
304	>	# -- save it
305	>	$sat->save();
306	>
307	>	return $sat;
308		}
309
310	<	sub addconfigitem {
310	>	sub copy {
311		my $self=shift;
312	<	my $url=shift;
312	>	my $destination=shift;
313
314	<	my $docref=$self->activatedoc($url);
315	<	# Set up the document
316	<	$docref->setup();
341	<	$docref->save();
342	<	#       $self->config()->storepolicy("local");
314	>	# copy across the admin dir
315	>	my $temp=$self->location()."/".$self->{admindir};
316	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
317		}
318
319	<	sub storeconfigobject {
319	>	sub align {
320		my $self=shift;
321	<	my $obj=shift;
322	<	$obj->save($self->config());
321	>	use File::Copy;
322	>
323	>	$self->_LoadEnvFile();
324	>	my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
325	>	my $tmpEnvfile=$Envfile.".bak";
326	>	my $rel=$self->{ENV}{RELEASETOP};
327	>	my $local=$self->location();
328	>
329	>	rename( $Envfile, $tmpEnvfile );
330	>	use FileHandle;
331	>	my $fh=FileHandle->new();
332	>	my $fout=FileHandle->new();
333	>	open ( $fh, "<".$tmpEnvfile ) or
334	>	$self->error("Cannot find Environment file. Area Corrupted? ("
335	>	.$self->location().")\n $!");
336	>	open ( $fout, ">".$Envfile ) or
337	>	$self->error("Cannot find Environment file. Area Corrupted? ("
338	>	.$self->location().")\n $!");
339	>	while ( <$fh> ) {
340	>	$_=~s/\Q$rel\L/$local/g;
341	>	print $fout $_;
342	>	}
343	>	undef $fh;
344	>	undef $fout;
345		}
346
347	<	sub downloadtotop {
347	>	sub copysetup {
348		my $self=shift;
349	<	my $url=shift;
350	<	my $dir=shift;
351	<
352	<	# only download once
353	<	if ( ! -e $self->location()."/".$dir ) {
354	<	$self->{urlhandler}->download($url,$self->location()."/".$dir);
349	>	my $dest=shift;
350	>
351	>	my $rv=1;
352	>	# copy across the admin dir
353	>	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
354	>	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
355	>	if ( $temp ne $temp2 ) {
356	>	if ( -d $temp ) {
357	>	AddDir::copydir($temp,$temp2);
358	>	$rv=0;
359	>	}
360		}
361	+	return $rv;
362		}
363
364	<	sub _makesatellites {
364	>	sub copyenv {
365		my $self=shift;
366	<	foreach $st ( values %{$self->{structures}} ) {
367	<	$st->setupsatellite()
366	>	my $hashref=shift;
367	>
368	>	foreach $elem ( keys %{$self->{ENV}} ) {
369	>	$$hashref{$elem}=$self->{ENV}{$elem};
370		}
371		}
372
373	<	sub _storestructures {
373	>	sub arch {
374		my $self=shift;
375	<	foreach $struct ( values %{$self->{structures}} ) {
372	<	$self->config()->store($struct, "Structures", $struct->name());
373	<	}
375	>	return $ENV{SCRAM_ARCH};
376		}
377
378	<	sub _restorestructures {
378	>	sub linkto {
379		my $self=shift;
380	<	my @strs=$self->config()->find("Structures");
381	<	foreach $struct ( @strs ) {
382	<	$struct->parent($self);
383	<	$self->{structures}{$struct->name()}=$struct;
380	>	my $location=shift;
381	>	if ( -d $location ) {
382	>	my $area=Configuration::ConfigArea->new();
383	>	$area->bootstrapfromlocation($location);
384	>	$self->linkarea($area);
385	>	}
386	>	else {
387	>	$self->error("ConfigArea : Unable to link to non existing directory ".
388	>	$location);
389		}
390		}
391
392	<	sub _defaultoptions {
392	>	sub unlinkarea {
393		my $self=shift;
394	<	my $name;
395	<	my $location;
396	<
390	<	# --- find out the location - default is cwd
391	<	$location=$self->option("ConfigArea_location");
392	<	if ( ! defined $location ) {
393	<	$location=cwd();
394	<	}
395	<	elsif ( $location!~/^\// ) {
396	<	$location=cwd()."/".$location;
397	<	}
398	<
399	<	# --- find area directory name , default name projectname_version
400	<	$name=$self->option("ConfigArea_name");
401	<	if ( ! defined $name ) {
402	<	$name=$self->defaultdirname();
403	<	}
404	<	return ($location,$name);
394	>	undef $self->{linkarea};
395	>	$self->{linkarea}=undef;
396	>	$self->save();
397		}
406	–	# -------------- Tags ---------------------------------
407	–	# -- init parse
408	–	sub Project_Start {
409	–	my $self=shift;
410	–	my $name=shift;
411	–	my $hashref=shift;
412	–
413	–	$self->checktag($name,$hashref,'name');
414	–	$self->checktag($name,$hashref,'version');
398
399	<	$self->name($$hashref{'name'});
400	<	$self->version($$hashref{'version'});
399	>	sub linkarea {
400	>	my $self=shift;
401	>	my $area=shift;
402	>	if ( defined $area ) {
403	>	$self->{linkarea}=$area;
404	>	}
405	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
406	>	$self->{linkarea}:undef;
407		}
408
409	<
421	<	sub Project_text {
409	>	sub save {
410		my $self=shift;
411	<	my $name=shift;
424	<	my $string=shift;
425	<
426	<	print $string;
411	>	$self->_SaveEnvFile();
412		}
413
414	<	# ---- download parse
414	>	# ---- support routines
415
416	<	sub Download_Start {
416	>	sub _SaveEnvFile {
417		my $self=shift;
418	<	my $name=shift;
419	<	my $hashref=shift;
420	<
421	<	$self->checktag($name,$hashref,'url');
422	<	$self->checktag($name,$hashref,'location');
423	<	if ( $$hashref{'location'}!~/^\w/ ) {
424	<	$self->parseerror("location must start with an".
425	<	" alphanumeric character");
418	>	use FileHandle;
419	>	my $fh=FileHandle->new();
420	>	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
421	>	"Environment" ) or
422	>	$self->error("Cannot Open Environment file to Save ("
423	>	.$self->location().")\n $!");
424	>
425	>	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
426	>	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
427	>	print $fh "projconfigdir=".$self->configurationdir()."\n";
428	>	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
429	>	if ( defined $self->linkarea() ) {
430	>	my $area=$self->linkarea()->location();
431	>	if ( $area ne "" ) {
432	>	print $fh "RELEASETOP=".$area."\n";
433	>	}
434		}
435	<	print "Downloading .... ".$$hashref{'url'}."\n";
443	<	$self->downloadtotop($$hashref{'url'},$$hashref{'location'});
435	>	undef $fh;
436		}
437
446	–	sub Use_download_Start {
447	–	my $self=shift;
448	–	my $name=shift;
449	–	my $hashref=shift;
438
439	<	$self->checktag($name,$hashref,'url');
452	<	print "Downloading .... ".$$hashref{'url'}."\n";
453	<	$self->getfile($$hashref{'url'});
454	<	}
455	<
456	<	# --- setup parse
457	<
458	<	sub Structure_Start {
439	>	sub _LoadEnvFile {
440		my $self=shift;
460	–	my $name=shift;
461	–	my $hashref=shift;
441
442	<	$self->checktag($name,$hashref,'name');
443	<	if ( !(( exists $$hashref{'type'}) || ( exists $$hashref{'url'})) ) {
444	<	$self->parseerror("No url or type given in <$name> tag");
445	<	}
446	<	if ( ! exists $self->{structures}{$$hashref{'name'}} ) {
447	<	if ( exists $$hashref{'type'}) {
448	<	# create a new object of the specified type
449	<	eval "require $$hashref{'type'} ";
450	<	if  ( $@ ) {
451	<	$self->parseerror("Unable to instantiate type=".
452	<	$$hashref{'type'}." in <$name> .".$@);
453	<	}
454	<	$self->{structures}{$$hashref{'name'}}=
455	<	$$hashref{'type'}->new($self->config());
456	<	$self->{structures}{$$hashref{'name'}}->name($$hashref{'name'});
457	<	$self->{structures}{$$hashref{'name'}}->parent($self);
458	<	$self->{structures}{$$hashref{'name'}}->vars($hashref);
459	<	$self->{structures}{$$hashref{'name'}}->arch($self->arch());
460	<	}
461	<	else { # its an activedoc
462	<	$self->{structures}{$$hashref{'name'}}=
463	<	$self->activatedoc($$hashref{'url'});
464	<	}
465	<	$self->{structures}{$$hashref{'name'}}->setupbase();
442	>	use FileHandle;
443	>	my $fh=FileHandle->new();
444	>	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
445	>	"Environment" ) or
446	>	$self->error("Cannot find Environment file. Area Corrupted? ("
447	>	.$self->location().")\n $!");
448	>	while ( <$fh> ) {
449	>	chomp;
450	>	next if /^#/;
451	>	next if /^\s*$/ ;
452	>	($name, $value)=split /=/;
453	>	eval "\$self->{ENV}{${name}}=\"$value\"";
454	>	}
455	>	undef $fh;
456	>
457	>	# -- set internal variables appropriately
458	>	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
459	>	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
460	>	}
461	>	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
462	>	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
463	>	}
464	>	if ( defined $self->{ENV}{"projconfigdir"} ) {
465	>	$self->configurationdir($self->{ENV}{projconfigdir});
466	>	}
467	>	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
468	>	$self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
469	>	}
470	>	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
471	>	($self->{ENV}{"RELEASETOP"} ne $self->location())) {
472	>	$self->linkto($self->{ENV}{"RELEASETOP"});
473		}
474		else {
475	<	$self->parseerror("Multiply defined Structure - ".
490	<	$$hashref{'name'});
475	>	$self->{ENV}{"RELEASETOP"}=$self->location();
476		}
477		}
493	–
494	–	sub Use_Start {
495	–	my $self=shift;
496	–	my $name=shift;
497	–	my $hashref=shift;
498	–
499	–	$self->checktag($name,$hashref,'url');
500	–	$self->addconfigitem($$hashref{'url'});
501	–	}
502	–

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