src/BuildSystem/ToolDoc.pm

#
# ToolDoc.pm
#
# Originally Written by Christopher Williams
#
# Description
# -----------
# SimpleDoc interface to initialise Tool objects
#
# Interface
# ---------
# new()         : A new ToolDoc object
# tool(toolobj) : set the tool object for the class
# toolsearcher(searcher) : set the searcher for finding reference tools
# setup(file,$name,$version) : setup a tool object from the specified file
#                               return 0 for OK 1 for cancel
# interactive([0|1]) : set the interactive node 0=off 1=on

package BuildSystem::ToolDoc;
require 5.004;
use ActiveDoc::SimpleDoc;
use Utilities::Verbose;
@ISA=qw(Utilities::Verbose);

sub new {
        my $class=shift;
        $self={};
        bless $self, $class;
        $self->init();
        return $self;
}

sub init {
        my $self=shift;
        $self->{switch}=ActiveDoc::SimpleDoc->new();
        $self->{switch}->newparse("setup");
        $self->{switch}->addtag("setup","Tool",\&Tool_Start, $self,     
                                                "", $self,
                                                \&Tool_End, $self);
        $self->{switch}->addtag("setup","Lib",\&Lib, $self,     
                                                "", $self,
                                                "", $self);
        $self->{switch}->addtag("setup","External",\&External_Start, $self,     
                                                "", $self,
                                                "", $self);
        $self->{switch}->addtag("setup","Client",\&Client_start, $self, 
                                                "", $self,
                                                \&Client_end, $self);
        $self->{switch}->addtag("setup","Environment",
                                                \&Environment_Start, $self,     
                                                \&Env_text, $self,
                                                \&Environment_End, $self);
        $self->{switch}->grouptag("Tool","setup");
        $self->{switch}->addtag("setup","Architecture",
                                        \&Arch_Start,$self,
                                        "", $self,
                                        \&Arch_End,$self);
        $self->{Arch}=1;
        push @{$self->{ARCHBLOCK}}, $self->{Arch};

}

sub interactive {
        my $self=shift;
        
        @_?$self->{interactive}=shift
          :((defined $self->{interactive})?$self->{interactive}:0);
}

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

sub toolsearcher {
        my $self=shift;
        if ( @_ ) {
          my $searcher=shift;
          if ( ! defined $searcher ) {
             $self->error("Undefined Value passed as a Searcher".
                " in ToolDoc::toolsearcher");
          }
          $self->{toolboxsearcher}=$searcher;
        }
        return $self->{toolboxsearcher};
}

sub setup {
        my $self=shift;
        my $file=shift;
        my $name=shift;
        my $version=shift;

        $self->{ToolEnv}{'SCRAMtoolname'}=$name;
        $self->{ToolEnv}{'SCRAMtoolversion'}=$version;
        $self->{ToolEnv}{'SCRAM_ARCH'}=$ENV{'SCRAM_ARCH'};

        $name=~tr[A-Z][a-z];
        $self->{tool}->name($name);
        $self->{tool}->version($version);
        $self->{switch}->filetoparse($file);
        $self->{toolfound}=1;
        $self->{switch}->parse("setup");
        return $self->{toolfound};
}

sub featuretext {
        my $self=shift;
        my $feature=shift;

        if ( @_ ) {
          $self->{featuretext}{$feature}=shift;
        }
        else {
          return ($self->{featuretext}{$feature});
        }
}

sub _checkdefault {
        my $self=shift;
        my $hashref=shift;

        if ( defined $$hashref{'default'} ) { #check default
          my $default;
          foreach $default ( split /:/, $$hashref{'default'} ) {
            $default=~s/\"//;
            if ($self->_testlocation($default,
               [ $self->{tool}->getfeature($$hashref{'type'})] )) { return 1; }
          }
        }
        return 0;
}

sub _testlocation {
        my $self=shift;
        my $default=shift;
        my $testfiles=shift;
        my $OK='false';
        my $file;

        chomp $default;
        $default=$self->_expandvars($default);
        print "Trying $default .... ";
        if ( -f $default ) {
                $OK="true";
        }
        else {
          my $fh=FileHandle->new();
          opendir $fh,  $default or do { print "No \n"; return 0; };
         ($#{$testfiles}==-1) ? $OK='false' : $OK='true';
          print "\n";
          my @files=readdir $fh;
          undef $fh;
          foreach $file ( @$testfiles ) {
                print "   Checking for $file .... ";
                # now check that the required files are actually there
                if ( ( $number = grep /\Q$file\L/, @files) == 0 ) {
                   $OK='false';
                   print "not found\n";
                   last;
                }
                print "found\n";
          }
        }
        if ( $OK eq 'true' ) {
                print "Directory Check Complete\n";
                return 1
        }
        return 0
}

sub _expandvars {
        my $self=shift;
        my $string=shift;

        return "" , if ( ! defined $string );
        $string=~s{
                \$\((\w+)\)
        }{
          if (defined $self->{ToolEnv}{$1}) {
                $self->_expandvars($self->{ToolEnv}{$1});
          } else {
                "\$$1";
          }
        }egx;
        $string=~s{
                \$(\w+)
        }{
          if (defined $self->{ToolEnv}{$1}) {
                $self->_expandvars($self->{ToolEnv}{$1});
          } else {
                "\$$1";
          }
        }egx;
        return $string;
}


sub _askuser {
        my $self=shift;
        my $querystring=shift;
        my $varname=shift;

        print $self->featuretext($self->{EnvContext});
        for  ( ;; ) {
         print "\n".$querystring." (RETURN to log as missing)\nset $varname = ";
         $path=<STDIN>;
         chomp $path;
         if ( $path ne "" ) {
          if ( defined $self->{'client'}) { # must be a location
           if ( $self->_testlocation($path , "H", $Envtype{$type} )) {
             return $path;
           }
           print "Error : ".$path." does not exist.\n";
           next;
          }
         }
         else {
           return $path;
         }
        } #end for

}

#
# Propgate through the searcher collecting matching tools
#
sub _searchtools {
        my $self=shift;
        my $tool=shift;

        my @tools=();
        my $area;
        my $rtool;
        if ( defined $self->{toolboxsearcher} ) {
           my $it=$self->{toolboxsearcher}->newiterator();
           while ( ! $it->last()  ) {
             $area=$it->next();
             if ( defined $area ) {
              $self->verbose("Searching for ".$tool->name()." ".
                 $tool->version()." in ".$area->location());
              $rtool=$area->toolbox()->gettool($tool->name(),$tool->version());
              if ( (defined $rtool) && $rtool->equals($tool) ) {
                push @tools,$rtool;
              }
             }
           }
        }
        return @tools; 
}

# search toolboxes for a nice list
#
sub _toolparamcopy {
        my $self=shift;
        my $tool=shift;
        my $param=shift;

        my $rv=0;
        $self->verbose("Check Other Projects for tool");
        my @validtools=$self->_searchtools($tool);
        if ( ! $self->interactive() ) {
          if ( $#validtools >=0 ) {
           my @params=$validtools[0]->getfeature($param);
           if ( $#params >=0 ) {
                $self->verbose("Extracting Feature $param from tool".
                        " (= @params )\n");
                $tool->setfeature($param,@params);
                $rv=1;
           }
          }
        }
        return $rv;
}

# -- Tag Routines

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

        if ( $self->{Arch} ) {
          $self->{'client'}=1;
        }
}

sub Client_end {
        my $self=shift;
        if ( $self->{Arch} ) {
        undef $self->{'client'};
        }
}
        
sub Tool_Start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag($name, $hashref, 'name');
        $self->{switch}->checktag($name, $hashref, 'version');
        $self->{switch}->opengroup("Toolactive");

        # lower case the name
        $$hashref{'name'}=~tr[A-Z][a-z];
        # make sure we only pick up the tool requested
        if ( ( $self->{tool}->name() eq $$hashref{'name'} ) && 
                ($self->{tool}->version() eq $$hashref{'version'})) {
          $self->{switch}->
                allowgroup("Toolactive",$self->{switch}->currentparsename());
          $self->{ToolEnv}{'SCRAMtoolname'}=$$hashref{'name'};
          $self->{ToolEnv}{'SCRAMtoolversion'}=$$hashref{'version'};
          $self->{toolfound}=0;
        }
        else {
          $self->{switch}->disallowgroup("Toolactive",
                                $self->{switch}->currentparsename());
        }
}

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

        $self->{switch}->closegroup("Toolactive");
}

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

        $self->{switch}->checktag($name, $hashref, 'name');
        if ( $self->{Arch} ) {
          if ( defined $self->{EnvContext} ) {
            $self->parserror(" Attempted to open new <$name> context".
                        " without closing the previous one");
          }
          $self->{currentenvtext}="";
          $self->{EnvContext}=$$hashref{'name'};
          undef $self->{Envvalue};
          if ( exists $$hashref{'type'} ) {
            $$hashref{'type'}=~tr[A-Z][a-z];
            $self->{tool}->type($$hashref{'name'},$$hashref{'type'});
          }
          if ( exists $$hashref{'value'}) {
            $self->{Envvalue}=$$hashref{'value'};
          }
          elsif ( ! $self->interactive() ) {
           # check other installed copies of the tool
           if ( $self->_toolparamcopy($self->{tool},$$hashref{'name'}) ) {
              my @tmp=$self->{tool}->getfeature($$hashref{'name'});
              $self->{Envvalue}=$tmp[0]; # assume single val parameter!
           }
           elsif ( defined $ENV{$$hashref{'name'}} ) {
              # check the environment
              $self->{Envvalue}=$ENV{$$hashref{'name'}};
           }
           elsif ( $self->_checkdefault($hashref) ) {
              $self->{Envvalue}=$$hashref{'default'};
           }
          }
        }
}

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

        if ( $self->{Arch} ) {
          $self->{currentenvtext}=$self->{currentenvtext}.$string;
        }
}

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

        if ( $self->{Arch} ) {
          if ( ! defined $self->{EnvContext} ) {
            $self->{switch}->parseerror("</$name> without an opening context");
          }
          # - set the help text
          $self->featuretext($self->{EnvContext},$self->{currentenvtext});
          if ( ! defined $self->{Envvalue} ) {
            $self->{Envvalue}=$self->_askuser("Please Enter the Value Below:",
                        $self->{EnvContext});
          }
          $self->{Envvalue}=$self->_expandvars($self->{Envvalue});
          $self->{tool}->addfeature($self->{EnvContext}, $self->{Envvalue});
          $self->{ToolEnv}{$self->{EnvContext}}=$self->{Envvalue};
          undef $self->{EnvContext};
          undef $self->{Envvalue};
        }
}

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

        $self->{switch}->checktag($name, $hashref, 'name');
        if ( $self->{Arch} ) {
          $self->{tool}->addfeature("lib",$$hashref{'name'});
        }
}

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

        $self->{switch}->checktag($name, $hashref,'ref');
        if ( $self->{Arch} ) {
          $self->{tool}->addfeature("_externals",$$hashref{'ref'});
        }
}

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

        $self->{switch}->checktag($name, $hashref,'name');
        ( ($ENV{SCRAM_ARCH}=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
                                                : ($self->{Arch}=0);
        push @{$self->{ARCHBLOCK}}, $self->{Arch};
}

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

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


Revision:	1.1.2.12
Committed:	Tue Jun 20 15:27:40 2000 UTC (24 years, 10 months ago) by williamc
Content type:	text/plain
Branch:	V0_9branch
Changes since 1.1.2.11:	+6 -1 lines
Log Message:	inpiut checking for searcher setting
#	User	Rev	Content
1	williamc	1.1.2.1	#
2			# ToolDoc.pm
3			#
4			# Originally Written by Christopher Williams
5			#
6			# Description
7			# -----------
8			# SimpleDoc interface to initialise Tool objects
9			#
10			# Interface
11			# ---------
12			# new() : A new ToolDoc object
13			# tool(toolobj) : set the tool object for the class
14	williamc	1.1.2.11	# toolsearcher(searcher) : set the searcher for finding reference tools
15	williamc	1.1.2.1	# setup(file,$name,$version) : setup a tool object from the specified file
16	williamc	1.1.2.3	# return 0 for OK 1 for cancel
17	williamc	1.1.2.1	# interactive([0\|1]) : set the interactive node 0=off 1=on
18
19			package BuildSystem::ToolDoc;
20			require 5.004;
21			use ActiveDoc::SimpleDoc;
22	williamc	1.1.2.11	use Utilities::Verbose;
23			@ISA=qw(Utilities::Verbose);
24	williamc	1.1.2.1
25			sub new {
26			my $class=shift;
27			$self={};
28			bless $self, $class;
29			$self->init();
30			return $self;
31			}
32
33			sub init {
34			my $self=shift;
35			$self->{switch}=ActiveDoc::SimpleDoc->new();
36			$self->{switch}->newparse("setup");
37			$self->{switch}->addtag("setup","Tool",\&Tool_Start, $self,
38			"", $self,
39			\&Tool_End, $self);
40			$self->{switch}->addtag("setup","Lib",\&Lib, $self,
41			"", $self,
42			"", $self);
43			$self->{switch}->addtag("setup","External",\&External_Start, $self,
44			"", $self,
45			"", $self);
46			$self->{switch}->addtag("setup","Client",\&Client_start, $self,
47			"", $self,
48			\&Client_end, $self);
49			$self->{switch}->addtag("setup","Environment",
50			\&Environment_Start, $self,
51			\&Env_text, $self,
52			\&Environment_End, $self);
53			$self->{switch}->grouptag("Tool","setup");
54			$self->{switch}->addtag("setup","Architecture",
55			\&Arch_Start,$self,
56			"", $self,
57			\&Arch_End,$self);
58			$self->{Arch}=1;
59	williamc	1.1.2.6	push @{$self->{ARCHBLOCK}}, $self->{Arch};
60	williamc	1.1.2.1
61			}
62
63			sub interactive {
64			my $self=shift;
65
66			@_?$self->{interactive}=shift
67			:((defined $self->{interactive})?$self->{interactive}:0);
68			}
69
70			sub tool {
71			my $self=shift;
72			$self->{tool}=shift;
73			}
74
75	williamc	1.1.2.11	sub toolsearcher {
76			my $self=shift;
77			if ( @_ ) {
78	williamc	1.1.2.12	my $searcher=shift;
79			if ( ! defined $searcher ) {
80			$self->error("Undefined Value passed as a Searcher".
81			" in ToolDoc::toolsearcher");
82			}
83			$self->{toolboxsearcher}=$searcher;
84	williamc	1.1.2.11	}
85			return $self->{toolboxsearcher};
86			}
87
88	williamc	1.1.2.1	sub setup {
89			my $self=shift;
90			my $file=shift;
91			my $name=shift;
92			my $version=shift;
93
94			$self->{ToolEnv}{'SCRAMtoolname'}=$name;
95			$self->{ToolEnv}{'SCRAMtoolversion'}=$version;
96			$self->{ToolEnv}{'SCRAM_ARCH'}=$ENV{'SCRAM_ARCH'};
97
98			$name=~tr[A-Z][a-z];
99			$self->{tool}->name($name);
100			$self->{tool}->version($version);
101			$self->{switch}->filetoparse($file);
102	williamc	1.1.2.4	$self->{toolfound}=1;
103	williamc	1.1.2.1	$self->{switch}->parse("setup");
104	williamc	1.1.2.4	return $self->{toolfound};
105	williamc	1.1.2.1	}
106
107			sub featuretext {
108			my $self=shift;
109			my $feature=shift;
110
111			if ( @_ ) {
112			$self->{featuretext}{$feature}=shift;
113			}
114			else {
115			return ($self->{featuretext}{$feature});
116			}
117			}
118
119			sub _checkdefault {
120			my $self=shift;
121			my $hashref=shift;
122
123			if ( defined $$hashref{'default'} ) { #check default
124			my $default;
125			foreach $default ( split /:/, $$hashref{'default'} ) {
126			$default=~s/\"//;
127			if ($self->_testlocation($default,
128			[ $self->{tool}->getfeature($$hashref{'type'})] )) { return 1; }
129			}
130			}
131			return 0;
132			}
133
134			sub _testlocation {
135			my $self=shift;
136			my $default=shift;
137			my $testfiles=shift;
138			my $OK='false';
139			my $file;
140
141			chomp $default;
142			$default=$self->_expandvars($default);
143			print "Trying $default .... ";
144			if ( -f $default ) {
145			$OK="true";
146			}
147			else {
148			my $fh=FileHandle->new();
149			opendir $fh, $default or do { print "No \n"; return 0; };
150			($#{$testfiles}==-1) ? $OK='false' : $OK='true';
151			print "\n";
152			my @files=readdir $fh;
153			undef $fh;
154			foreach $file ( @$testfiles ) {
155			print " Checking for $file .... ";
156			# now check that the required files are actually there
157			if ( ( $number = grep /\Q$file\L/, @files) == 0 ) {
158			$OK='false';
159			print "not found\n";
160			last;
161			}
162			print "found\n";
163			}
164			}
165			if ( $OK eq 'true' ) {
166			print "Directory Check Complete\n";
167			return 1
168			}
169			return 0
170			}
171
172			sub _expandvars {
173			my $self=shift;
174			my $string=shift;
175
176			return "" , if ( ! defined $string );
177			$string=~s{
178			\$\((\w+)\)
179			}{
180			if (defined $self->{ToolEnv}{$1}) {
181			$self->_expandvars($self->{ToolEnv}{$1});
182			} else {
183			"\$$1";
184			}
185			}egx;
186			$string=~s{
187			\$(\w+)
188			}{
189			if (defined $self->{ToolEnv}{$1}) {
190			$self->_expandvars($self->{ToolEnv}{$1});
191			} else {
192			"\$$1";
193			}
194			}egx;
195			return $string;
196			}
197
198
199			sub _askuser {
200			my $self=shift;
201			my $querystring=shift;
202			my $varname=shift;
203
204			print $self->featuretext($self->{EnvContext});
205			for ( ;; ) {
206			print "\n".$querystring." (RETURN to log as missing)\nset $varname = ";
207			$path=<STDIN>;
208			chomp $path;
209			if ( $path ne "" ) {
210			if ( defined $self->{'client'}) { # must be a location
211			if ( $self->_testlocation($path , "H", $Envtype{$type} )) {
212			return $path;
213			}
214			print "Error : ".$path." does not exist.\n";
215			next;
216			}
217			}
218			else {
219			return $path;
220			}
221			} #end for
222
223			}
224
225	williamc	1.1.2.11	#
226			# Propgate through the searcher collecting matching tools
227			#
228			sub _searchtools {
229			my $self=shift;
230			my $tool=shift;
231
232			my @tools=();
233			my $area;
234			my $rtool;
235			if ( defined $self->{toolboxsearcher} ) {
236			my $it=$self->{toolboxsearcher}->newiterator();
237			while ( ! $it->last() ) {
238			$area=$it->next();
239			if ( defined $area ) {
240			$self->verbose("Searching for ".$tool->name()." ".
241			$tool->version()." in ".$area->location());
242			$rtool=$area->toolbox()->gettool($tool->name(),$tool->version());
243			if ( (defined $rtool) && $rtool->equals($tool) ) {
244			push @tools,$rtool;
245			}
246			}
247			}
248			}
249			return @tools;
250			}
251
252			# search toolboxes for a nice list
253			#
254			sub _toolparamcopy {
255			my $self=shift;
256			my $tool=shift;
257			my $param=shift;
258
259			my $rv=0;
260			$self->verbose("Check Other Projects for tool");
261			my @validtools=$self->_searchtools($tool);
262			if ( ! $self->interactive() ) {
263			if ( $#validtools >=0 ) {
264			my @params=$validtools[0]->getfeature($param);
265			if ( $#params >=0 ) {
266			$self->verbose("Extracting Feature $param from tool".
267			" (= @params )\n");
268			$tool->setfeature($param,@params);
269			$rv=1;
270			}
271			}
272			}
273			return $rv;
274			}
275
276	williamc	1.1.2.1	# -- Tag Routines
277
278			sub Client_start {
279			my $self=shift;
280			my $name=shift;
281			my $hashref=shift;
282
283			if ( $self->{Arch} ) {
284			$self->{'client'}=1;
285			}
286			}
287
288			sub Client_end {
289			my $self=shift;
290			if ( $self->{Arch} ) {
291			undef $self->{'client'};
292			}
293			}
294
295			sub Tool_Start {
296			my $self=shift;
297			my $name=shift;
298			my $hashref=shift;
299
300			$self->{switch}->checktag($name, $hashref, 'name');
301			$self->{switch}->checktag($name, $hashref, 'version');
302			$self->{switch}->opengroup("Toolactive");
303
304			# lower case the name
305			$$hashref{'name'}=~tr[A-Z][a-z];
306			# make sure we only pick up the tool requested
307			if ( ( $self->{tool}->name() eq $$hashref{'name'} ) &&
308			($self->{tool}->version() eq $$hashref{'version'})) {
309			$self->{switch}->
310			allowgroup("Toolactive",$self->{switch}->currentparsename());
311			$self->{ToolEnv}{'SCRAMtoolname'}=$$hashref{'name'};
312			$self->{ToolEnv}{'SCRAMtoolversion'}=$$hashref{'version'};
313	williamc	1.1.2.4	$self->{toolfound}=0;
314	williamc	1.1.2.1	}
315			else {
316			$self->{switch}->disallowgroup("Toolactive",
317			$self->{switch}->currentparsename());
318			}
319			}
320
321			sub Tool_End {
322			my $self=shift;
323			my $name=shift;
324			my $hashref=shift;
325
326			$self->{switch}->closegroup("Toolactive");
327			}
328
329			sub Environment_Start {
330			my $self=shift;
331			my $name=shift;
332			my $hashref=shift;
333
334			$self->{switch}->checktag($name, $hashref, 'name');
335			if ( $self->{Arch} ) {
336			if ( defined $self->{EnvContext} ) {
337			$self->parserror(" Attempted to open new <$name> context".
338			" without closing the previous one");
339			}
340			$self->{currentenvtext}="";
341			$self->{EnvContext}=$$hashref{'name'};
342			undef $self->{Envvalue};
343	williamc	1.1.2.10	if ( exists $$hashref{'type'} ) {
344			$$hashref{'type'}=~tr[A-Z][a-z];
345			$self->{tool}->type($$hashref{'name'},$$hashref{'type'});
346	williamc	1.1.2.1	}
347			if ( exists $$hashref{'value'}) {
348			$self->{Envvalue}=$$hashref{'value'};
349			}
350			elsif ( ! $self->interactive() ) {
351	williamc	1.1.2.11	# check other installed copies of the tool
352			if ( $self->_toolparamcopy($self->{tool},$$hashref{'name'}) ) {
353			my @tmp=$self->{tool}->getfeature($$hashref{'name'});
354			$self->{Envvalue}=$tmp[0]; # assume single val parameter!
355			}
356			elsif ( defined $ENV{$$hashref{'name'}} ) {
357			# check the environment
358			$self->{Envvalue}=$ENV{$$hashref{'name'}};
359	williamc	1.1.2.5	}
360			elsif ( $self->_checkdefault($hashref) ) {
361	williamc	1.1.2.11	$self->{Envvalue}=$$hashref{'default'};
362	williamc	1.1.2.1	}
363			}
364			}
365			}
366
367			sub Env_text {
368			my $self=shift;
369			my $name=shift;
370			my $string=shift;
371
372			if ( $self->{Arch} ) {
373			$self->{currentenvtext}=$self->{currentenvtext}.$string;
374			}
375			}
376
377			sub Environment_End {
378			my $self=shift;
379			my $name=shift;
380
381			if ( $self->{Arch} ) {
382			if ( ! defined $self->{EnvContext} ) {
383	williamc	1.1.2.8	$self->{switch}->parseerror("</$name> without an opening context");
384	williamc	1.1.2.1	}
385			# - set the help text
386			$self->featuretext($self->{EnvContext},$self->{currentenvtext});
387			if ( ! defined $self->{Envvalue} ) {
388			$self->{Envvalue}=$self->_askuser("Please Enter the Value Below:",
389			$self->{EnvContext});
390			}
391			$self->{Envvalue}=$self->_expandvars($self->{Envvalue});
392			$self->{tool}->addfeature($self->{EnvContext}, $self->{Envvalue});
393			$self->{ToolEnv}{$self->{EnvContext}}=$self->{Envvalue};
394			undef $self->{EnvContext};
395			undef $self->{Envvalue};
396			}
397			}
398
399			sub Lib {
400			my $self=shift;
401			my $name=shift;
402			my $hashref=shift;
403
404			$self->{switch}->checktag($name, $hashref, 'name');
405			if ( $self->{Arch} ) {
406			$self->{tool}->addfeature("lib",$$hashref{'name'});
407			}
408			}
409
410			sub External_Start {
411			my $self=shift;
412			my $name=shift;
413			my $hashref=shift;
414
415			$self->{switch}->checktag($name, $hashref,'ref');
416			if ( $self->{Arch} ) {
417	williamc	1.1.2.2	$self->{tool}->addfeature("_externals",$$hashref{'ref'});
418	williamc	1.1.2.1	}
419			}
420
421			sub Arch_Start {
422			my $self=shift;
423			my $name=shift;
424			my $hashref=shift;
425
426	williamc	1.1.2.5	$self->{switch}->checktag($name, $hashref,'name');
427	williamc	1.1.2.1	( ($ENV{SCRAM_ARCH}=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
428			: ($self->{Arch}=0);
429			push @{$self->{ARCHBLOCK}}, $self->{Arch};
430			}
431
432			sub Arch_End {
433			my $self=shift;
434			my $name=shift;
435
436			pop @{$self->{ARCHBLOCK}};
437			$self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
438			}
439
440