src/BuildSystem/Requirements.pm

# Requirements Doc - just to get ordering info
#
# Interface
# ---------
# new(ActiveStore,url[,arch])     : new requirements doc
# setup(toolbox): set up the requirements into the specified toolbox object
# download(toolbox)    : download description files (into toolbox cache)
# tools()       : Return list of ALL requirements (ordered)
# selectedtools() : Return list of only those tools selected
# version(tool) : return the version of a given tool
# toolurl(tool)     : return the url of a given tool
# getreqforarch(arch) : Return a RequirementsObject corresponding to the
#                       specified architecture
# toolcomment(tool,version) : return the comment string for the specified tool
# distributionurl(tool,version) : return the dist info url for the tool

package BuildSystem::Requirements;
use ActiveDoc::ActiveDoc;
use Utilities::Verbose;

require 5.004;
@ISA=qw(Utilities::Verbose);

sub new {
        my $class=shift;
        my $self={};
        bless $self, $class;
        $self->{dbstore}=shift;
        $self->{file}=shift;
        $self->{cache}=$self->{dbstore}->cache();
        if ( @_ ) {
          $self->arch(shift);
        }
        $self->verbose("Initialising a new Requirements Doc");
        $self->{mydocversion}="2.0";
        $self->{Arch}=1;
        push @{$self->{ARCHBLOCK}}, $self->{Arch};
        $self->init($self->{file});
        return $self;
}

sub url {
        my $self=shift;
        if ( @_ ) {
          $self->{file}=shift;
        }
        return $self->{file}
}

sub setup
   {
   my $self=shift;
   my $toolbox=shift;
   my $tool;

   foreach $tool ( $self->selectedtools() )
      {
      $self->verbose("Setting Up Tool $tool");
      $toolbox->toolsetup($tool, $self->version($tool), $self->toolurl($tool));
      }
   }

sub tools {
        my $self=shift;
        return @{$self->{tools}};
}

sub selectedtools
   {
   my $self=shift;
   my @toollist=();

   foreach $tool (  @{$self->{tools}} )
      {
      if ( $self->{selected}{$tool} eq "SELECTED" )
         {
         push @toollist, $tool;
         }
      }
   return @toollist;
   }

sub toolcomment {
        my $self=shift;
        my $tool=shift;
        my $version=shift;

        return $self->{reqtext}{$tool}{$version};
}

sub distributionurl {
        my $self=shift;
        my $tool=shift;
        my $version=shift;

        return ( defined $self->{dist}{$tool}{$version})?
                        $self->{dist}{$tool}{$version}:undef;
}

sub version {
        my $self=shift;
        my $tool=shift;
        return $self->{'version'}{$tool};
}

sub toolurl {
        my $self=shift;
        my $tool=shift;
        return $self->{'url'}{$tool};
}

sub init {
        my $self=shift;
        my $url=shift;

        my $switch=ActiveDoc::ActiveDoc->new($self->{dbstore});
        $switch->verbosity($self->verbosity());
        $switch->url($url);
        $switch->newparse("ordering");
        $switch->addbasetags("ordering");
        $switch->addtag("ordering","Architecture",
                                        \&Arch_Start,$self,
                                        "", $self,
                                        \&Arch_End, $self);
        $switch->addtag("ordering","Restrict",
                                        \&Restrict_start,$self,
                                        "", $self,
                                        \&Restrict_end, $self);
        $switch->addtag("ordering","deselect",
                                        \&deselect_start,$self,
                                        "", $self,
                                        "", $self);
        $switch->addtag("ordering","select",
                                        \&select_start,$self,
                                        "", $self,
                                        "", $self);
        $switch->addtag("ordering","distribution",
                                        \&disttag,$self);
        $switch->grouptag("Architecture","ordering");
        $switch->addtag("ordering","require",
                                        \&require_start,$self,
                                        \&require_text, $self,
                                        \&require_end, $self);

        $self->{reqcontext}=0;
        $self->{switch}=$switch;
        undef $self->{restrictstack};
        @{$self->{tools}}=();
        
        my($doctype,$docversion)=$switch->doctype();
        # -- for backwards compatability only parse if we have a docversion
        #    defined
        if ( defined $docversion ) { 
          if ( $docversion eq $self->{mydocversion} ) {
            @{$self->{ArchStack}}=();
            $self->verbose("Initial Document Parse");
            $self->{switch}->parse("ordering");
          }
          else {
            $self->verbose("wrong doc version - not parsing");
          }
        }
        else {
          $self->verbose("wrong doc type - not parsing");
        }
}

sub arch {
        my $self=shift;
        if ( @_ ) {
          $self->{arch}=shift
        }
        else {
          if ( ! defined $self->{arch} ) {
            $self->{arch}="";
          }
        }
        return $self->{arch};
}

sub archlist {
        my $self=shift;
        return @{$self->{ArchStack}};
}

sub getreqforarch {
        my $self=shift;
        my $arch=shift;

        if ( ! defined $self->{reqsforarch}{$arch} ) {
          $self->{reqsforarch}{$arch}=
                BuildSystem::Requirements->new($self->{dbstore},$self->{file},
                                                $arch);
        }
        return $self->{reqsforarch}{$arch};
}


sub download {
        my $self=shift;

        my $tool;
        foreach $tool ( $self->tools() ) {
          $self->verbose("Downloading ".$self->toolurl($tool));
          # get into the cache
          $self->{switch}->urlget($self->toolurl($tool));
        }
}

sub _autoselect {
        my $self=shift;
        if ( @_ ) {
          $self->{autoselect}=shift;
        }
        # -- default is true
        return ((defined $self->{autoselect})?$self->{autoselect}:1);
}

# ---- Tag routines 

sub Restrict_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag( $name, $hashref, 'autoselect');
        if ( $self->{Arch} ) {
        # -- create selection state stack
        push @{$self->{restrictstack}}, $self->_autoselect();
        $self->_autoselect(
                (($$hashref{'autoselect'}=~/true/i)?1:0));
        }
}

sub Restrict_end {
        my $self=shift;
        my $name=shift;

        if ( $self->{Arch} ) {
        if ( $#{$self->{restrictstack}} >= 0 ) {
          $self->_autoselect(pop @{$self->{restrictstack}});
        }
        else {
          $self->{switch}->parseerror("Unmatched </$name>");
        }
        }
}

sub require_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;
        
        $self->{switch}->checktag( $name, $hashref, 'version');
        $self->{switch}->checktag( $name, $hashref, 'name');
        $self->{switch}->checktag( $name, $hashref, 'url');

        if ( $self->{reqcontext} == 1 ) {
          $self->{switch}->parseerror(
                "Open new $name conext without previous </$name>");
        }
        $self->{reqcontext}=1;
        $$hashref{'name'}=~tr[A-Z][a-z];
        push @{$self->{tools}}, $$hashref{'name'};
        $self->{version}{$$hashref{'name'}}=$$hashref{'version'};
        # -- make sure the full url is taken
        my $urlobj=$self->{switch}->expandurl($$hashref{'url'});
        $self->{url}{$$hashref{'name'}}=$urlobj->url();

        # -- selection
        if ( $self->{Arch} ) {
          if ( $self->_autoselect() ) {
             $self->{selected}{$$hashref{'name'}}=1;
          }
          else {
             $self->{selected}{$$hashref{'name'}}=0;
          }
        }
        $self->{creqtool}=$$hashref{'name'};
        $self->{creqversion}=$$hashref{'version'};
        $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}="";
}

sub require_text {
        my $self=shift;
        my $name=shift;
        my $string=shift;

        chomp $string;
        $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}=
                $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}.
                $string;
                
}

sub require_end {
        my $self=shift;
        my $name=shift;

        if ( $self->{reqcontext} != 1 ) {
          $self->{switch}->parseerror("No matching tag for </$name>");
        }
        else {
          $self->{reqcontext}=0;
        }
}

sub select_start
   {
   my $self=shift;
   my $name=shift;
   my $hashref=shift;

   $self->{switch}->checktag( $name, $hashref, 'name');
   $$hashref{'name'}=~tr[A-Z][a-z];
   if ( $self->{Arch} )
      {
      $self->verbose("Selecting ".$$hashref{'name'});
      $self->{selected}{$$hashref{'name'}} = "SELECTED";
      $self->verbose(">> Tool select flag = ".$self->{selected}{$$hashref{'name'}}."\n");
      }
   }

sub deselect_start
   {
   my $self=shift;
   my $name=shift;
   my $hashref=shift;
   
   $self->{switch}->checktag( $name, $hashref, 'name');
   $$hashref{'name'}=~tr[A-Z][a-z];
   if ( $self->{Arch} )
      {
      $self->verbose("Deselecting ".$$hashref{'name'});
      $self->{selected}{$$hashref{'name'}} = "DESELECTED";
      $self->verbose(">> Tool select flag = ".$self->{selected}{$$hashref{'name'}}."\n");
      }
   }

sub Arch_Start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag($name, $hashref,'name');
        
        ( ($self->arch()=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
                                                : ($self->{Arch}=0);
        $self->verbose(($self->{Arch}?"OK":"skipping")." ".$$hashref{name});
        push @{$self->{ARCHBLOCK}}, $self->{Arch};
        push @{$self->{ArchStack}}, $$hashref{'name'};
}

sub Arch_End {
        my $self=shift;
        my $name=shift;

        pop @{$self->{ARCHBLOCK}};
        $self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
}

sub disttag {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        if ( exists $$hashref{'url'} ) {
          $self->{dist}{$self->{creqtool}}{$self->{creqversion}}=
                                                        $$hashref{'url'};
        }
}
Revision:	1.8
Committed:	Thu Nov 29 12:56:11 2001 UTC (23 years, 5 months ago) by sashby
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+45 -35 lines
Log Message:	Select/deselct works properly now.
#	User	Rev	Content
1	williamc	1.2	# Requirements Doc - just to get ordering info
2			#
3			# Interface
4			# ---------
5			# new(ActiveStore,url[,arch]) : new requirements doc
6			# setup(toolbox): set up the requirements into the specified toolbox object
7			# download(toolbox) : download description files (into toolbox cache)
8			# tools() : Return list of ALL requirements (ordered)
9			# selectedtools() : Return list of only those tools selected
10			# version(tool) : return the version of a given tool
11			# toolurl(tool) : return the url of a given tool
12			# getreqforarch(arch) : Return a RequirementsObject corresponding to the
13			# specified architecture
14			# toolcomment(tool,version) : return the comment string for the specified tool
15			# distributionurl(tool,version) : return the dist info url for the tool
16
17			package BuildSystem::Requirements;
18			use ActiveDoc::ActiveDoc;
19			use Utilities::Verbose;
20
21			require 5.004;
22			@ISA=qw(Utilities::Verbose);
23
24			sub new {
25			my $class=shift;
26			my $self={};
27			bless $self, $class;
28			$self->{dbstore}=shift;
29			$self->{file}=shift;
30			$self->{cache}=$self->{dbstore}->cache();
31			if ( @_ ) {
32			$self->arch(shift);
33			}
34	williamc	1.3	$self->verbose("Initialising a new Requirements Doc");
35	williamc	1.2	$self->{mydocversion}="2.0";
36			$self->{Arch}=1;
37			push @{$self->{ARCHBLOCK}}, $self->{Arch};
38			$self->init($self->{file});
39			return $self;
40			}
41
42			sub url {
43			my $self=shift;
44			if ( @_ ) {
45			$self->{file}=shift;
46			}
47			return $self->{file}
48			}
49
50	sashby	1.7	sub setup
51			{
52			my $self=shift;
53			my $toolbox=shift;
54			my $tool;
55
56			foreach $tool ( $self->selectedtools() )
57			{
58			$self->verbose("Setting Up Tool $tool");
59			$toolbox->toolsetup($tool, $self->version($tool), $self->toolurl($tool));
60			}
61			}
62	williamc	1.2
63			sub tools {
64			my $self=shift;
65			return @{$self->{tools}};
66			}
67
68	sashby	1.8	sub selectedtools
69			{
70			my $self=shift;
71			my @toollist=();
72
73			foreach $tool ( @{$self->{tools}} )
74			{
75			if ( $self->{selected}{$tool} eq "SELECTED" )
76			{
77			push @toollist, $tool;
78			}
79			}
80			return @toollist;
81			}
82	williamc	1.2
83			sub toolcomment {
84			my $self=shift;
85			my $tool=shift;
86			my $version=shift;
87
88			return $self->{reqtext}{$tool}{$version};
89			}
90
91			sub distributionurl {
92			my $self=shift;
93			my $tool=shift;
94			my $version=shift;
95
96			return ( defined $self->{dist}{$tool}{$version})?
97			$self->{dist}{$tool}{$version}:undef;
98			}
99
100			sub version {
101			my $self=shift;
102			my $tool=shift;
103			return $self->{'version'}{$tool};
104			}
105
106			sub toolurl {
107			my $self=shift;
108			my $tool=shift;
109			return $self->{'url'}{$tool};
110			}
111
112			sub init {
113			my $self=shift;
114			my $url=shift;
115
116			my $switch=ActiveDoc::ActiveDoc->new($self->{dbstore});
117			$switch->verbosity($self->verbosity());
118			$switch->url($url);
119			$switch->newparse("ordering");
120			$switch->addbasetags("ordering");
121			$switch->addtag("ordering","Architecture",
122			\&Arch_Start,$self,
123			"", $self,
124			\&Arch_End, $self);
125			$switch->addtag("ordering","Restrict",
126			\&Restrict_start,$self,
127			"", $self,
128			\&Restrict_end, $self);
129			$switch->addtag("ordering","deselect",
130			\&deselect_start,$self,
131			"", $self,
132			"", $self);
133			$switch->addtag("ordering","select",
134			\&select_start,$self,
135			"", $self,
136			"", $self);
137			$switch->addtag("ordering","distribution",
138			\&disttag,$self);
139			$switch->grouptag("Architecture","ordering");
140			$switch->addtag("ordering","require",
141			\&require_start,$self,
142			\&require_text, $self,
143			\&require_end, $self);
144
145			$self->{reqcontext}=0;
146			$self->{switch}=$switch;
147			undef $self->{restrictstack};
148			@{$self->{tools}}=();
149
150			my($doctype,$docversion)=$switch->doctype();
151			# -- for backwards compatability only parse if we have a docversion
152			# defined
153			if ( defined $docversion ) {
154			if ( $docversion eq $self->{mydocversion} ) {
155			@{$self->{ArchStack}}=();
156	williamc	1.3	$self->verbose("Initial Document Parse");
157	williamc	1.2	$self->{switch}->parse("ordering");
158			}
159	williamc	1.3	else {
160			$self->verbose("wrong doc version - not parsing");
161			}
162	williamc	1.2	}
163			else {
164	williamc	1.3	$self->verbose("wrong doc type - not parsing");
165	williamc	1.2	}
166			}
167
168			sub arch {
169			my $self=shift;
170			if ( @_ ) {
171			$self->{arch}=shift
172			}
173			else {
174			if ( ! defined $self->{arch} ) {
175			$self->{arch}="";
176			}
177			}
178			return $self->{arch};
179			}
180
181			sub archlist {
182			my $self=shift;
183			return @{$self->{ArchStack}};
184			}
185
186			sub getreqforarch {
187			my $self=shift;
188			my $arch=shift;
189
190			if ( ! defined $self->{reqsforarch}{$arch} ) {
191			$self->{reqsforarch}{$arch}=
192			BuildSystem::Requirements->new($self->{dbstore},$self->{file},
193			$arch);
194			}
195			return $self->{reqsforarch}{$arch};
196			}
197
198
199			sub download {
200			my $self=shift;
201
202			my $tool;
203			foreach $tool ( $self->tools() ) {
204			$self->verbose("Downloading ".$self->toolurl($tool));
205			# get into the cache
206			$self->{switch}->urlget($self->toolurl($tool));
207			}
208			}
209
210			sub _autoselect {
211			my $self=shift;
212			if ( @_ ) {
213			$self->{autoselect}=shift;
214			}
215			# -- default is true
216			return ((defined $self->{autoselect})?$self->{autoselect}:1);
217			}
218
219			# ---- Tag routines
220
221			sub Restrict_start {
222			my $self=shift;
223			my $name=shift;
224			my $hashref=shift;
225
226			$self->{switch}->checktag( $name, $hashref, 'autoselect');
227			if ( $self->{Arch} ) {
228			# -- create selection state stack
229			push @{$self->{restrictstack}}, $self->_autoselect();
230			$self->_autoselect(
231			(($$hashref{'autoselect'}=~/true/i)?1:0));
232			}
233			}
234
235			sub Restrict_end {
236			my $self=shift;
237			my $name=shift;
238
239			if ( $self->{Arch} ) {
240			if ( $#{$self->{restrictstack}} >= 0 ) {
241			$self->_autoselect(pop @{$self->{restrictstack}});
242			}
243			else {
244			$self->{switch}->parseerror("Unmatched </$name>");
245			}
246			}
247			}
248
249			sub require_start {
250			my $self=shift;
251			my $name=shift;
252			my $hashref=shift;
253
254			$self->{switch}->checktag( $name, $hashref, 'version');
255			$self->{switch}->checktag( $name, $hashref, 'name');
256			$self->{switch}->checktag( $name, $hashref, 'url');
257
258			if ( $self->{reqcontext} == 1 ) {
259			$self->{switch}->parseerror(
260			"Open new $name conext without previous </$name>");
261			}
262			$self->{reqcontext}=1;
263			$$hashref{'name'}=~tr[A-Z][a-z];
264			push @{$self->{tools}}, $$hashref{'name'};
265			$self->{version}{$$hashref{'name'}}=$$hashref{'version'};
266			# -- make sure the full url is taken
267			my $urlobj=$self->{switch}->expandurl($$hashref{'url'});
268			$self->{url}{$$hashref{'name'}}=$urlobj->url();
269
270			# -- selection
271			if ( $self->{Arch} ) {
272			if ( $self->_autoselect() ) {
273			$self->{selected}{$$hashref{'name'}}=1;
274			}
275			else {
276			$self->{selected}{$$hashref{'name'}}=0;
277			}
278			}
279			$self->{creqtool}=$$hashref{'name'};
280			$self->{creqversion}=$$hashref{'version'};
281			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}="";
282			}
283
284			sub require_text {
285			my $self=shift;
286			my $name=shift;
287			my $string=shift;
288
289			chomp $string;
290			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}=
291			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}.
292			$string;
293
294			}
295
296			sub require_end {
297			my $self=shift;
298			my $name=shift;
299
300			if ( $self->{reqcontext} != 1 ) {
301			$self->{switch}->parseerror("No matching tag for </$name>");
302			}
303			else {
304			$self->{reqcontext}=0;
305			}
306			}
307
308	sashby	1.8	sub select_start
309			{
310			my $self=shift;
311			my $name=shift;
312			my $hashref=shift;
313
314			$self->{switch}->checktag( $name, $hashref, 'name');
315			$$hashref{'name'}=~tr[A-Z][a-z];
316			if ( $self->{Arch} )
317			{
318			$self->verbose("Selecting ".$$hashref{'name'});
319			$self->{selected}{$$hashref{'name'}} = "SELECTED";
320			$self->verbose(">> Tool select flag = ".$self->{selected}{$$hashref{'name'}}."\n");
321			}
322			}
323
324			sub deselect_start
325			{
326			my $self=shift;
327			my $name=shift;
328			my $hashref=shift;
329
330			$self->{switch}->checktag( $name, $hashref, 'name');
331			$$hashref{'name'}=~tr[A-Z][a-z];
332			if ( $self->{Arch} )
333			{
334			$self->verbose("Deselecting ".$$hashref{'name'});
335			$self->{selected}{$$hashref{'name'}} = "DESELECTED";
336			$self->verbose(">> Tool select flag = ".$self->{selected}{$$hashref{'name'}}."\n");
337			}
338			}
339	williamc	1.2
340			sub Arch_Start {
341			my $self=shift;
342			my $name=shift;
343			my $hashref=shift;
344
345			$self->{switch}->checktag($name, $hashref,'name');
346
347			( ($self->arch()=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
348			: ($self->{Arch}=0);
349			$self->verbose(($self->{Arch}?"OK":"skipping")." ".$$hashref{name});
350			push @{$self->{ARCHBLOCK}}, $self->{Arch};
351			push @{$self->{ArchStack}}, $$hashref{'name'};
352			}
353
354			sub Arch_End {
355			my $self=shift;
356			my $name=shift;
357
358			pop @{$self->{ARCHBLOCK}};
359			$self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
360			}
361
362			sub disttag {
363			my $self=shift;
364			my $name=shift;
365			my $hashref=shift;
366
367			if ( exists $$hashref{'url'} ) {
368			$self->{dist}{$self->{creqtool}}{$self->{creqversion}}=
369			$$hashref{'url'};
370			}
371			}