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root/cvsroot/COMP/SCRAM/src/BuildSystem/Tool.pm
Revision: 1.1.2.7
Committed: Thu Apr 27 13:22:03 2000 UTC (25 years ago) by williamc
Content type: text/plain
Branch: V0_9branch
Changes since 1.1.2.6: +14 -0 lines
Log Message:
Add equals method

File Contents

# Content
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 # listtype(type) : return a list of all features of the specified type
19 # 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 # (with embedded dependencies)
23 # type(name[,type]) : get/set the type associated with a feature
24 # addrequirement() : add a requirement at the current parse position
25 # dependencies() : return a list of dependency objects
26 # store(location) : Save object to given file
27 # restore(location) : Restore object from specified file
28 # reset() : Clean out all the features
29 # equals(toolobj) : return 1 if the tools correspond in url version etc.
30
31 package BuildSystem::Tool;
32 use Utilities::Verbose;
33 require 5.004;
34 @ISA=qw(Utilities::Verbose);
35
36 sub new {
37 my $class=shift;
38 my $self={};
39 bless $self, $class;
40 return $self;
41 }
42
43 sub name {
44 my $self=shift;
45
46 @_?$self->{name}=shift
47 :$self->{name};
48 }
49
50 sub version {
51 my $self=shift;
52
53 @_?$self->{version}=shift
54 :$self->{version};
55 }
56
57 sub url {
58 my $self=shift;
59
60 @_?$self->{url}=shift
61 :$self->{url};
62 }
63
64 sub equals {
65 my $self=shift;
66 my $tool=shift;
67
68 my $rv=0;
69 if ( ($tool->url() eq $self->url() ) &&
70 ($tool->name() eq $self->name() ) &&
71 ($tool->version() eq $self->version()) ) {
72 $rv=1;
73 }
74 return $rv;
75 }
76
77 sub listtype {
78 my $self=shift;
79 my $type=shift;
80
81 my @list=();
82 foreach $v ( $self->features() ) {
83 if ( $self->type($v) eq $type ) {
84 push @list, $v;
85 }
86 }
87 return @list;
88 }
89
90 sub type {
91 my $self=shift;
92 my $name=shift;
93
94 if ( @_ ) {
95 $self->{featuretypes}{$name}=shift;
96 }
97 return ((defined $self->{featuretypes}{$name})?
98 $self->{featuretypes}{$name}:"");
99 }
100
101 sub addfeature {
102 my $self=shift;
103 my $name=shift;
104 my @value=@_;
105
106 $self->_newfeature($name,@value);
107 push @{$self->{features}{$name}}, @value;
108 }
109
110 sub setfeature {
111 my $self=shift;
112 my $name=shift;
113 my @value=@_;
114
115 $self->_newfeature($name,@value);
116 @{$self->{features}{$name}}=@value;
117 }
118
119 sub reset {
120 my $self=shift;
121 undef $self->{features};
122 undef $self->{'features_ordered'};
123 undef $self->{reqobjs};
124 undef $self->{requireposition};
125 }
126
127 sub _newfeature {
128 my $self=shift;
129 my $name=shift;
130 my @value=@_;
131
132 # if it dosnt exist , make sure we first mark all the current reqs
133 # get inserted beforehand
134 if ( ! exists $self->{features}{$name} ) {
135 # add feature name to our ordered list
136 push @{$self->{'features_ordered'}},$name;
137 for ( $i=0; $i<=$#{$self->{reqobjs}}; $i++ ) {
138 $self->_recordpos( $name, $i);
139 }
140 }
141 }
142
143 sub features {
144 my $self=shift;
145
146 # return (keys %{$self->{features}});
147 return @{$self->{'features_ordered'}};
148 }
149
150 sub getfeature {
151 my $self=shift;
152 my $name=shift;
153
154 my @rv=();
155 my @rep;
156 # make sure we insert requirements at the right place
157 for ( my $i=-1; $i<=$#{$self->{features}{$name}}; $i++ ) {
158 if ( $i>=0 ) {
159 push @rv, $self->{features}{$name}[$i];
160 }
161 my @rep=$self->_testpos($name, $i);
162 my $repobj;
163 foreach $repobj ( @rep ) {
164 push @rv, $repobj->getfeature($name);
165 }
166 }
167 return @rv;
168 }
169
170 sub clearfeature {
171 my $self=shift;
172 my $name=shift;
173
174 undef @{$self->{features}{$name}};
175 }
176
177 sub addrequirement {
178 my $self=shift;
179 my $reqobj=shift;
180
181 push @{$self->{reqobjs}}, $reqobj;
182 foreach $key ( keys %{$self->{features}} ) {
183 $self->_recordpos($key,$#{$self->{reqobjs}});
184 }
185 }
186
187 sub dependencies {
188 my $self=shift;
189 return @{$self->{recobjs}}
190 }
191
192 sub store {
193 my $self=shift;
194 my $location=shift;
195
196 my $fh=FileHandle->new();
197 $self->verbose("opening $location for output");
198 $fh->open(">".$location) or die "Unable to open $location for output".
199 $!."\n";
200 print $fh "name:".$self->name().":_sys\n";
201 print $fh "version:".$self->version().":_sys\n";
202 print $fh "url:".$self->url().":_sys\n";
203 foreach $f ( $self->features()) {
204 foreach $val ( $self->getfeature($f) ) {
205 print $fh $f.":".$val.":".$self->type($f)."\n";
206 }
207 }
208 undef $fh;
209 }
210
211 sub restore {
212 my $self=shift;
213 my $location=shift;
214
215 my $fh=FileHandle->new();
216 $fh->open("<".$location) or die "Unable to open $location for output".
217 $!."\n";
218 my ($tool,$type,$variable,$value);
219 while ( <$fh> ) {
220 chomp;
221 next if /^#/;
222 next if /^\s*$/;
223 ($variable, $value, $type)=split /:/;
224 next if ( $variable=~/\&/ );
225 $product=~tr[A-Z][a-z];
226 if ( $type eq "_sys" ) {
227 if ( $self->can($variable)) {
228 $self->$variable($value);
229 }
230 }
231 else {
232 $self->addfeature($variable,$value);
233 }
234 }
235 undef $fh;
236 }
237
238 sub _recordpos {
239 my $self=shift;
240 my $name=shift;
241 my $recref=shift;
242
243 push @{$self->{requireposition}{$name}{$#{$self->{features}{$name}}}}
244 ,$recref;
245 }
246
247 # return array of objects that correspond to the required position
248 sub _testpos {
249 my $self=shift;
250 my $name=shift;
251 my $ref=shift;
252
253 my @rv=();
254 if ( exists $self->{requireposition}{$name}{$ref} ) {
255 foreach $recref ( @{$self->{requireposition}{$name}{$ref}} ) {
256 push @rv, $self->{reqobjs}[$recref];
257 }
258 }
259 return @rv;
260 }
261
262