src/BuildSystem/Tool.pm

#
# Tool.pm - Store basic tool properties
#
# Originally Written by Christopher Williams
#
# Description
# -----------
# Stores basic tool features
#
# Interface
# ---------
# new()         : A new FeatureTool object
# name()        : get/set the tools name
# version()     : get set the tool version
# url()         : get set the tool url
# features()    : return a list of features defined (ordered in relation to 
#                       their first definition)
# listtype(type) : return a list of all features of the specified type
# addfeature(name,@value) : add value(s) to the named feature
# setfeature(name,@value) : set value(s) for the named feature
# getfeature(name) : return a list of elements belonging to the named feature
#                       (with embedded dependencies)
# type(name[,type]) : get/set the type associated with a feature
# addrequirement() : add a requirement at the current parse position
# dependencies()   : return a list of dependency objects
# store(location)   : Save object to given file
# restore(location) : Restore object from specified file
# reset()           : Clean out all the features

package BuildSystem::Tool;
require 5.004;

sub new {
        my $class=shift;
        my $self={};
        bless $self, $class;
        return $self;
}

sub name {
        my $self=shift;

        @_?$self->{name}=shift
          :$self->{name};
}

sub version {
        my $self=shift;

        @_?$self->{version}=shift
          :$self->{version};
}

sub url {
        my $self=shift;

        @_?$self->{url}=shift
          :$self->{url};
}

sub listtype {
        my $self=shift;
        my $type=shift;

        my @list=();
        foreach $v ( $self->features() ) {
          if ( $self->type($v) eq $type ) {
                push @list, $v;
          }
        }
        return @list;
}

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

        if ( @_ ) {
          $self->{featuretypes}{$name}=shift;
        }
        return ((defined $self->{featuretypes}{$name})?
                $self->{featuretypes}{$name}:"");
}

sub addfeature {
        my $self=shift;
        my $name=shift;
        my @value=@_;

        $self->_newfeature($name,@value);
        push @{$self->{features}{$name}}, @value;
}

sub setfeature {
        my $self=shift;
        my $name=shift;
        my @value=@_;

        $self->_newfeature($name,@value);
        @{$self->{features}{$name}}=@value;
}

sub reset {
        my $self=shift;
        undef $self->{features};
        undef $self->{'features_ordered'};
        undef $self->{reqobjs};
        undef $self->{requireposition};
}

sub _newfeature {
        my $self=shift;
        my $name=shift;
        my @value=@_;

        # if it dosnt exist , make sure we first mark all the current reqs
        # get inserted beforehand
        if ( ! exists $self->{features}{$name} ) {
         # add feature name to our ordered list
         push @{$self->{'features_ordered'}},$name;
         for ( $i=0; $i<=$#{$self->{reqobjs}}; $i++ ) {
           $self->_recordpos( $name, $i);
         }
        }
}

sub features {
        my $self=shift;

#       return (keys %{$self->{features}});
        return @{$self->{'features_ordered'}};
}

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

        my @rv=();
        my @rep;
        # make sure we insert requirements at the right place
        for ( my $i=-1; $i<=$#{$self->{features}{$name}}; $i++ ) {
         if ( $i>=0 ) {
           push @rv, $self->{features}{$name}[$i];
         }
         my @rep=$self->_testpos($name, $i);
         my $repobj;
         foreach $repobj ( @rep ) {
             push @rv, $repobj->getfeature($name);
         }
        }
        return @rv;
}

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

        undef @{$self->{features}{$name}};
}

sub addrequirement {
        my $self=shift;
        my $reqobj=shift;

        push @{$self->{reqobjs}}, $reqobj;
        foreach $key ( keys %{$self->{features}} ) {
           $self->_recordpos($key,$#{$self->{reqobjs}});
        }
}

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

sub store {
        my $self=shift;
        my $location=shift;

        my $fh=FileHandle->new();
        $fh->open(">".$location) or die "Unable to open $location for output".
                                $!."\n";
        print $fh "name:".$self->name().":_sys\n";
        print $fh "version:".$self->version().":_sys\n";
        print $fh "url:".$self->url().":_sys\n";
        foreach $f ( $self->features()) {
          foreach $val ( $self->getfeature($f) ) {
           print $fh $f.":".$val.":".$self->type($f)."\n";
          }
        }
        undef $fh;
}

sub restore {
        my $self=shift;
        my $location=shift;

        my $fh=FileHandle->new();
        $fh->open("<".$location) or die "Unable to open $location for output".
                                $!."\n";
        my ($tool,$type,$variable,$value);
        while ( <$fh> ) {
          chomp;
          next if /^#/;
          next if /^\s*$/;
          ($variable, $value, $type)=split /:/;
          next if ( $variable=~/\&/ );
          $product=~tr[A-Z][a-z];
          if ( $type eq "_sys" ) {
             if ( $self->can($variable)) {
               $self->$variable($value);
             }
          }
          else {
            $self->addfeature($variable,$value);
          }
        }
        undef $fh;
}

sub _recordpos {
        my $self=shift;
        my $name=shift;
        my $recref=shift;

        push @{$self->{requireposition}{$name}{$#{$self->{features}{$name}}}}
                ,$recref;
}

# return array of objects that correspond to the required position
sub _testpos {
        my $self=shift;
        my $name=shift;
        my $ref=shift;

        my @rv=();
        if ( exists $self->{requireposition}{$name}{$ref} ) {
           foreach $recref ( @{$self->{requireposition}{$name}{$ref}} ) {
             push @rv, $self->{reqobjs}[$recref];
           }
        }
        return @rv;
}


Revision:	1.1.2.5
Committed:	Thu Apr 20 11:32:26 2000 UTC (25 years ago) by williamc
Content type:	text/plain
Branch:	V0_9branch
CVS Tags:	V0_12_0
Changes since 1.1.2.4:	+8 -0 lines
Log Message:	Add reset method
#	User	Rev	Content
1	williamc	1.1.2.1	#
2			# Tool.pm - Store basic tool properties
3			#
4			# Originally Written by Christopher Williams
5			#
6			# Description
7			# -----------
8			# Stores basic tool features
9			#
10			# Interface
11			# ---------
12			# new() : A new FeatureTool object
13			# name() : get/set the tools name
14			# version() : get set the tool version
15			# url() : get set the tool url
16			# features() : return a list of features defined (ordered in relation to
17			# their first definition)
18	williamc	1.1.2.3	# listtype(type) : return a list of all features of the specified type
19	williamc	1.1.2.1	# addfeature(name,@value) : add value(s) to the named feature
20			# setfeature(name,@value) : set value(s) for the named feature
21			# getfeature(name) : return a list of elements belonging to the named feature
22	williamc	1.1.2.2	# (with embedded dependencies)
23			# type(name[,type]) : get/set the type associated with a feature
24	williamc	1.1.2.1	# addrequirement() : add a requirement at the current parse position
25			# dependencies() : return a list of dependency objects
26	williamc	1.1.2.3	# store(location) : Save object to given file
27	williamc	1.1.2.2	# restore(location) : Restore object from specified file
28	williamc	1.1.2.5	# reset() : Clean out all the features
29	williamc	1.1.2.1
30			package BuildSystem::Tool;
31			require 5.004;
32
33			sub new {
34			my $class=shift;
35			my $self={};
36			bless $self, $class;
37			return $self;
38			}
39
40			sub name {
41			my $self=shift;
42
43			@_?$self->{name}=shift
44			:$self->{name};
45			}
46
47			sub version {
48			my $self=shift;
49
50			@_?$self->{version}=shift
51			:$self->{version};
52			}
53
54			sub url {
55			my $self=shift;
56
57			@_?$self->{url}=shift
58			:$self->{url};
59			}
60
61	williamc	1.1.2.3	sub listtype {
62			my $self=shift;
63			my $type=shift;
64
65			my @list=();
66			foreach $v ( $self->features() ) {
67			if ( $self->type($v) eq $type ) {
68			push @list, $v;
69			}
70			}
71			return @list;
72			}
73
74	williamc	1.1.2.2	sub type {
75			my $self=shift;
76			my $name=shift;
77
78			if ( @_ ) {
79			$self->{featuretypes}{$name}=shift;
80			}
81			return ((defined $self->{featuretypes}{$name})?
82			$self->{featuretypes}{$name}:"");
83			}
84	williamc	1.1.2.1
85			sub addfeature {
86			my $self=shift;
87			my $name=shift;
88			my @value=@_;
89
90			$self->_newfeature($name,@value);
91			push @{$self->{features}{$name}}, @value;
92			}
93
94			sub setfeature {
95			my $self=shift;
96			my $name=shift;
97			my @value=@_;
98
99			$self->_newfeature($name,@value);
100			@{$self->{features}{$name}}=@value;
101			}
102
103	williamc	1.1.2.5	sub reset {
104			my $self=shift;
105			undef $self->{features};
106			undef $self->{'features_ordered'};
107			undef $self->{reqobjs};
108			undef $self->{requireposition};
109			}
110	williamc	1.1.2.1
111			sub _newfeature {
112			my $self=shift;
113			my $name=shift;
114			my @value=@_;
115
116			# if it dosnt exist , make sure we first mark all the current reqs
117			# get inserted beforehand
118			if ( ! exists $self->{features}{$name} ) {
119			# add feature name to our ordered list
120			push @{$self->{'features_ordered'}},$name;
121			for ( $i=0; $i<=$#{$self->{reqobjs}}; $i++ ) {
122			$self->_recordpos( $name, $i);
123			}
124			}
125			}
126
127			sub features {
128			my $self=shift;
129
130			# return (keys %{$self->{features}});
131			return @{$self->{'features_ordered'}};
132			}
133
134			sub getfeature {
135			my $self=shift;
136			my $name=shift;
137
138			my @rv=();
139			my @rep;
140			# make sure we insert requirements at the right place
141			for ( my $i=-1; $i<=$#{$self->{features}{$name}}; $i++ ) {
142			if ( $i>=0 ) {
143			push @rv, $self->{features}{$name}[$i];
144			}
145			my @rep=$self->_testpos($name, $i);
146			my $repobj;
147			foreach $repobj ( @rep ) {
148			push @rv, $repobj->getfeature($name);
149			}
150			}
151			return @rv;
152			}
153
154			sub clearfeature {
155			my $self=shift;
156			my $name=shift;
157
158			undef @{$self->{features}{$name}};
159			}
160
161			sub addrequirement {
162			my $self=shift;
163			my $reqobj=shift;
164
165			push @{$self->{reqobjs}}, $reqobj;
166			foreach $key ( keys %{$self->{features}} ) {
167			$self->_recordpos($key,$#{$self->{reqobjs}});
168			}
169			}
170
171			sub dependencies {
172			my $self=shift;
173			return @{$self->{recobjs}}
174			}
175
176	williamc	1.1.2.3	sub store {
177	williamc	1.1.2.2	my $self=shift;
178			my $location=shift;
179
180			my $fh=FileHandle->new();
181			$fh->open(">".$location) or die "Unable to open $location for output".
182			$!."\n";
183	williamc	1.1.2.3	print $fh "name:".$self->name().":_sys\n";
184			print $fh "version:".$self->version().":_sys\n";
185	williamc	1.1.2.4	print $fh "url:".$self->url().":_sys\n";
186	williamc	1.1.2.2	foreach $f ( $self->features()) {
187			foreach $val ( $self->getfeature($f) ) {
188	williamc	1.1.2.3	print $fh $f.":".$val.":".$self->type($f)."\n";
189	williamc	1.1.2.2	}
190			}
191			undef $fh;
192			}
193
194			sub restore {
195			my $self=shift;
196			my $location=shift;
197
198			my $fh=FileHandle->new();
199			$fh->open("<".$location) or die "Unable to open $location for output".
200			$!."\n";
201			my ($tool,$type,$variable,$value);
202			while ( <$fh> ) {
203			chomp;
204			next if /^#/;
205			next if /^\s*$/;
206	williamc	1.1.2.3	($variable, $value, $type)=split /:/;
207	williamc	1.1.2.2	next if ( $variable=~/\&/ );
208			$product=~tr[A-Z][a-z];
209			if ( $type eq "_sys" ) {
210	williamc	1.1.2.3	if ( $self->can($variable)) {
211	williamc	1.1.2.2	$self->$variable($value);
212			}
213			}
214			else {
215			$self->addfeature($variable,$value);
216			}
217			}
218			undef $fh;
219			}
220
221	williamc	1.1.2.1	sub _recordpos {
222			my $self=shift;
223			my $name=shift;
224			my $recref=shift;
225
226			push @{$self->{requireposition}{$name}{$#{$self->{features}{$name}}}}
227			,$recref;
228			}
229
230			# return array of objects that correspond to the required position
231			sub _testpos {
232			my $self=shift;
233			my $name=shift;
234			my $ref=shift;
235
236			my @rv=();
237			if ( exists $self->{requireposition}{$name}{$ref} ) {
238			foreach $recref ( @{$self->{requireposition}{$name}{$ref}} ) {
239			push @rv, $self->{reqobjs}[$recref];
240			}
241			}
242			return @rv;
243			}
244	williamc	1.1.2.2
245