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Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.1 by williamc, Thu Jan 20 18:21:54 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	+	# 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
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;
23	–	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 new {
58	>	my $class=shift;
59	>	my $self={};
60	>	bless $self, $class;
61
62	<	sub init {
62	>	# data init
63	>	$self->{admindir}=".SCRAM";
64	>	$self->{cachedir}="cache";
65	>	$self->{dbdir}="ObjectDB";
66	>	undef $self->{linkarea};
67	>
68	>	return $self;
69	>	}
70	>
71	>	sub cache {
72		my $self=shift;
73	<	$self->newparse("init");
74	<	$self->newparse("download");
75	<	$self->newparse("setup");
76	<	$self->addtag("init","project",\&Project_Start,$self,
77	<	\&Project_text,$self,"", $self );
78	<	$self->addurltags("download");
79	<	$self->addtag("download","use",\&Use_download_Start,$self,
80	<	"", $self, "",$self);
39	<	$self->addurltags("setup");
40	<	$self->addtag("setup","use",\&Use_Start,$self, "", $self, "",$self);
73	>	if ( @_ ) {
74	>	$self->{cache}=shift;
75	>	}
76	>	elsif ( ! defined $self->{cache} ) {
77	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
78	>	$self->{cache}=URL::URLcache->new($loc);
79	>	}
80	>	return $self->{cache};
81		}
82
83	<	sub setup {
83	>	sub objectstore {
84		my $self=shift;
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	<	# --- find out the location
96	<	my $location=$self->requestoption("area_location",
97	<	"Please Enter the location of the directory");
98	<
50	<	# --- find area directory name , default name projectname_version
51	<	my $name=$self->option("area_name");
52	<	my $vers=$self->version;
53	<	if ( ! defined $name ) {
54	<	$name=$self->name();
55	<	$vers=~s/^$name_//;
56	<	$name=$name."_".$vers;
57	<	}
58	<	$self->location($location."/".$name);
59	<
60	<	# --- make a new ActiveStore at the location and add it to the db list
61	<	my $ad=ActiveDoc::ActiveConfig->new($self->location()."/\.SCRAM");
62	<
63	<	# make a new store handler
64	<	my $parentconfig=$self->config;
65	<	$self->config(Configuration::ConfigureStore);
66	<	$self->config()->db("local",$ad);
67	<	$self->config()->db("parent",$parentconfig);
68	<	$self->config()->policy("cache","local");
69	<	$self->config()->basedoc($parentconfig->basedoc());
70	<
71	<	# --- download everything first
72	<	# FIX-ME --- cacheing is broken
73	<	#       $self->parse("download");
74	<
75	<	# --- and parse the setup file
76	<	$self->parse("setup");
95	>	sub name {
96	>	my $self=shift;
97	>	@_?$self->{name}=shift
98	>	:$self->{name};
99		}
100
101	<	sub store {
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	+	# -- 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	+	$self->error("ConfigArea: Cannot setup new area without a location");
122	+	}
123	+	if ( @_ ) {
124	+	$areaname=shift;
125	+	}
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	+	my $arealoc=$location."/".$areaname;
132	+	my $workloc=$arealoc."/".$self->{admindir};
133	+	$self->verbose("Building at $arealoc");
134	+	$self->location($arealoc);
135	+
136	+	# -- create top level structure and work area
137	+	AddDir::adddir($workloc);
138	+
139	+	# -- add a cache
140	+	$self->cache();
141	+
142	+	# -- Save Environment File
143	+	$self->_SaveEnvFile();
144
83	–	my $fh=$self->openfile(">".$location);
84	–	print $fh $self->location()."\n";
85	–	$fh->close();
145		}
146
147	<	sub restore {
147	>	sub configurationdir {
148		my $self=shift;
149	+	if ( @_ ) {
150	+	$self->{configurationdir}=shift;
151	+	}
152	+	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
153	+	}
154
155	<	my $fh=$self->openfile("<".$location);
156	<	$self->{location}=<$fh>;
157	<	chomp $self->{location};
158	<	$fh->close();
159	<
155	>	sub toolbox {
156	>	my $self=shift;
157	>	if ( ! defined $self->{toolbox} ) {
158	>	$self->{toolbox}=BuildSystem::ToolBox->new($self);
159	>	}
160	>	return $self->{toolbox};
161		}
162
163	<	sub name {
163	>	sub requirementsdoc {
164		my $self=shift;
165	+	if ( @_ ) {
166	+	$self->{reqdoc}=shift;
167	+	}
168	+	if ( defined $self->{reqdoc} ) {
169	+	return $self->location()."/".$self->{reqdoc};
170	+	}
171	+	else {
172	+	return undef;
173	+	}
174	+	}
175
176	<	@_?$self->{name}=shift
177	<	:$self->{name};
176	>	sub scramversion {
177	>	my $self=shift;
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 version {
194	>	sub bootstrapfromlocation {
195		my $self=shift;
196
197	<	@_?$self->{version}=shift
198	<	:$self->{version};
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	>	$self->location($location);
206	>	$self->verbose("Found top ".$self->location());
207	>	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
208	>	$self->_LoadEnvFile();
209	>	}
210	>	return $rv;
211		}
212
213		sub location {
214		my $self=shift;
215
216	<	@_?$self->{location}=shift
217	<	:$self->{location};
216	>	if ( @_ ) {
217	>	$self->{location}=shift;
218	>	}
219	>	elsif ( ! defined $self->{location} ) {
220	>	# try and find the release location
221	>	$self->{location}=$self->searchlocation();
222	>	}
223	>	return  $self->{location};
224		}
225
226	<	sub meta {
226	>	sub searchlocation {
227		my $self=shift;
228
229	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
230	<	$self->location;
229	>	#start search in current directory if not specified
230	>	my $thispath;
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	>	$self->verbose("Searching $thispath");
247	>	if ( -e "$thispath/".$self->{admindir} ) {
248	>	$self->verbose("Found\n");
249	>	$rv=1;
250	>	last Sloop;
251	>	}
252	>	} while ( ($thispath=~s/(.*)\/.*/$1/)=~/./ ) };
253	>
254	>	return $rv?$thispath:undef;
255		}
256
257	<	sub configitem {
257	>	sub archname {
258		my $self=shift;
259	<	my $location=shift;
259	>	if ( @_ ) {
260	>	$self->{archname}=shift;
261	>	}
262	>	return $self->{archname};
263	>	}
264	>
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 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	<	$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();
140	<	$self->config()->savepolicy("local");
141	<	$docref->save();
314	>	# copy across the admin dir
315	>	my $temp=$self->location()."/".$self->{admindir};
316	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
317		}
318
319	<	# -------------- Tags ---------------------------------
145	<	# -- init parse
146	<	sub Project_Start {
319	>	sub align {
320		my $self=shift;
321	<	my $name=shift;
149	<	my $hashref=shift;
321	>	use File::Copy;
322
323	<	$self->checktag($name,$hashref,'name');
324	<	$self->checktag($name,$hashref,'version');
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	<	$self->name($$hashref{'name'});
330	<	$self->version($$hashref{'version'});
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 copysetup {
348	+	my $self=shift;
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 Project_text {
364	>	sub copyenv {
365		my $self=shift;
366	<	my $name=shift;
367	<	my $string=shift;
366	>	my $hashref=shift;
367	>
368	>	foreach $elem ( keys %{$self->{ENV}} ) {
369	>	$$hashref{$elem}=$self->{ENV}{$elem};
370	>	}
371	>	}
372
373	<	print $string;
373	>	sub arch {
374	>	my $self=shift;
375	>	return $ENV{SCRAM_ARCH};
376		}
377
378	<	# ---- download parse
378	>	sub linkto {
379	>	my $self=shift;
380	>	my $location=shift;
381	>	if ( -d $location ) {
382	>	my $area=Configuration::ConfigArea->new();
383	>	$area->bootstrapfromlocation($location);
384	>	$self->linkarea($area);
385	>	}
386	>	else {
387	>	$self->error("ConfigArea : Unable to link to non existing directory ".
388	>	$location);
389	>	}
390	>	}
391	>
392	>	sub unlinkarea {
393	>	my $self=shift;
394	>	undef $self->{linkarea};
395	>	$self->{linkarea}=undef;
396	>	$self->save();
397	>	}
398
399	<	sub Use_download_Start {
399	>	sub linkarea {
400		my $self=shift;
401	<	my $name=shift;
402	<	my $hashref=shift;
401	>	my $area=shift;
402	>	if ( defined $area ) {
403	>	$self->{linkarea}=$area;
404	>	}
405	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
406	>	$self->{linkarea}:undef;
407	>	}
408
409	<	$self->checktag($name,$hashref,'url');
410	<	print "Downloading .... ".$$hashref{'url'}."\n";
411	<	$self->getfile($$hashref{'url'});
409	>	sub save {
410	>	my $self=shift;
411	>	$self->_SaveEnvFile();
412		}
413
414	<	# --- setup parse
414	>	# ---- support routines
415
416	<	sub Use_Start {
416	>	sub _SaveEnvFile {
417		my $self=shift;
418	<	my $name=shift;
419	<	my $hashref=shift;
418	>	use FileHandle;
419	>	my $fh=FileHandle->new();
420	>	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
421	>	"Environment" ) or
422	>	$self->error("Cannot Open Environment file to Save ("
423	>	.$self->location().")\n $!");
424
425	<	$self->checktag($name,$hashref,'url');
426	<	$self->addconfigitem($$hashref{'url'});
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	>	undef $fh;
436		}
437
438	+
439	+	sub _LoadEnvFile {
440	+	my $self=shift;
441	+
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	+	$self->{ENV}{"RELEASETOP"}=$self->location();
476	+	}
477	+	}

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