src/BuildSystem/ToolBox.pm

#
# ToolBox.pm
#
# Originally Written by Christopher Williams
#
# Description
# -----------
# create tools from clientsettings and interface to access them 
#
# Interface
# ---------
# new()         : A new toolbox object
# tools()       : return a list of tools (name,version) pairs
# defaultversion(tool) : return the default version of the specified tool
# gettool(name[,version]) : get the tool object with the given name
#                           returns the default version if version not spec.
#                           returns undef if no setup tool is available
# toolsetup(name,version[,doc]) : setup the named tool from the specified doc
#                                 if doc not specified try and use previous
#                                 document

package BuildSystem::ToolBox;
use FileHandle;
use BuildSystem::Tool;
use Utilities::Verbose;

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

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

sub init {
        my $self=shift;
        $self->{urlcache}="$ENV{LOCALTOP}/.SCRAM/ToolFiles";
        $self->{datastore}=$ENV{LOCALTOP}."/.SCRAM/".$ENV{SCRAM_ARCH};
        AddDir::adddir($self->{datastore});
        AddDir::adddir($self->{urlcache});
        $self->_readdefaultsfile($ENV{LOCALTOP}."/".$ENV{projconfigdir}.
                                                "/External_Dependencies");
}

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

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

        my $rv=0;
        # -- get version
        my $version;
        if ( @_ ) {
          $version=shift;
        }
        else {
          $version=$self->defaultversion($name);
          if ( ! defined $version ) { $rv=1; return $rv; }
        }

        my $url;

        # -- get a tool object
        my ($tool)=$self->_toolobject($name,$version);

        # -- get the url
        if ( @_ ) {
          $url=shift;
        }
        else {
          # no url specified - try to get it from the tool
          $url=$tool->url();
          if ( ! defined $url ) {
            $self->error("Unable to determine document for tool ".
                                $name." ".$version);
          }
        }
        $url=$self->_download($url);

        require BuildSystem::ToolDoc;
        my $doc=BuildSystem::ToolDoc->new();
        $doc->tool($tool);
        $tool->reset();
        if ( ! $doc->setup($url,$name,$version) ) {
          $tool->store($self->_toolfile($name,$version));
        }
        undef $doc;
        return $rv;
}


sub gettool {
        my $self=shift;
        my $product=shift;
        my $version;

        if ( @_ ) { $version=shift; }
        else {
          # lookup the default version
          $version=$self->defaultversion($product);
          return undef, if ( ! defined $version );
        }
        my ($tool,$rv)=$self->_toolobject($product,$version); 
        return ( $rv==0?$tool:undef ); # only return if already set up
}

sub defaultversion {
        my $self=shift;
        my $product=shift;

        return $self->{defaults}{$product};
}

sub _toolfile {
        my $self=shift;
        my $name=shift;
        my $version=shift;

        return $self->{datastore}."/$name_$version.dat";
}

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

        $url=~s/$self->{urlcache}\///;
        # -- make sure we have a copy of the file
        if ( ! -e $self->{urlcache}."/".$url ) {
                &urlhandler::urlhandler("file:$ENV{SCRAM_HOME}/toolbox/"
                        .$url, $self->{urlcache}."/$url") ;
        }
        return $self->{urlcache}."/".$url;
}

sub _readclientsettings {
        my $self=shift;
        my $clientfile=shift;

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

sub _readdefaultsfile {
        my $self=shift;
        my $file=shift;

        my $fh=FileHandle->new();
        $fh->open("<".$file) or die "Unable to open $file $!\n";
        while ( <$fh> ) {
          chomp;
          next if /^#/;
          next if /^\s*$/;
          ($product, $version)=split /:/;
          $product=~tr[A-Z][a-z];
          $self->{defaults}{$product}=$version;
        }
        undef $fh;
}


sub _toolobject {
        my $self=shift;
        my $product=shift;
        my $version=shift;

        my $rv=0;

        if ( ! exists $self->{tools}{$product}{$version} ) {
           $self->verbose("$product $version being Intitialised");
           $self->{tools}{$product}{$version}=BuildSystem::Tool->new();
           my $file=$self->_toolfile($product,$version);
           if ( -f $file ) { # restore it from disk
             $self->verbose("Recovering $product $version from $file");
             $self->{tools}{$product}{$version}->restore($file);
           }
           else {
                $rv=1;
                $self->verbose("Tool $product $version needs set up");
           }
           push @{$self->{toollist}}, [$product, $version];
        }
        return ($self->{tools}{$product}{$version}, $rv);
}
Revision:	1.1.2.6
Committed:	Thu Apr 20 11:32:55 2000 UTC (25 years ago) by williamc
Content type:	text/plain
Branch:	V0_9branch
Changes since 1.1.2.5:	+1 -0 lines
Log Message:	reset tool before setup
#	User	Rev	Content
1	williamc	1.1.2.1	#
2			# ToolBox.pm
3			#
4			# Originally Written by Christopher Williams
5			#
6			# Description
7			# -----------
8			# create tools from clientsettings and interface to access them
9			#
10			# Interface
11			# ---------
12			# new() : A new toolbox object
13			# tools() : return a list of tools (name,version) pairs
14			# defaultversion(tool) : return the default version of the specified tool
15			# gettool(name[,version]) : get the tool object with the given name
16			# returns the default version if version not spec.
17	williamc	1.1.2.3	# returns undef if no setup tool is available
18			# toolsetup(name,version[,doc]) : setup the named tool from the specified doc
19			# if doc not specified try and use previous
20			# document
21	williamc	1.1.2.1
22			package BuildSystem::ToolBox;
23			use FileHandle;
24			use BuildSystem::Tool;
25	williamc	1.1.2.3	use Utilities::Verbose;
26
27			@ISA=qw(Utilities::Verbose);
28	williamc	1.1.2.1	require 5.004;
29
30			sub new {
31			my $class=shift;
32			$self={};
33			bless $self, $class;
34			$self->init();
35			return $self;
36			}
37
38			sub init {
39			my $self=shift;
40	williamc	1.1.2.3	$self->{urlcache}="$ENV{LOCALTOP}/.SCRAM/ToolFiles";
41			$self->{datastore}=$ENV{LOCALTOP}."/.SCRAM/".$ENV{SCRAM_ARCH};
42			AddDir::adddir($self->{datastore});
43			AddDir::adddir($self->{urlcache});
44	williamc	1.1.2.1	$self->_readdefaultsfile($ENV{LOCALTOP}."/".$ENV{projconfigdir}.
45			"/External_Dependencies");
46			}
47
48			sub tools {
49			my $self=shift;
50			return @{$self->{toollist}};
51			}
52
53	williamc	1.1.2.3	sub toolsetup {
54			my $self=shift;
55			my $name=shift;
56
57			my $rv=0;
58			# -- get version
59			my $version;
60			if ( @_ ) {
61			$version=shift;
62			}
63			else {
64			$version=$self->defaultversion($name);
65			if ( ! defined $version ) { $rv=1; return $rv; }
66			}
67
68			my $url;
69
70			# -- get a tool object
71			my ($tool)=$self->_toolobject($name,$version);
72
73			# -- get the url
74			if ( @_ ) {
75			$url=shift;
76			}
77			else {
78			# no url specified - try to get it from the tool
79			$url=$tool->url();
80			if ( ! defined $url ) {
81			$self->error("Unable to determine document for tool ".
82			$name." ".$version);
83			}
84			}
85			$url=$self->_download($url);
86
87			require BuildSystem::ToolDoc;
88			my $doc=BuildSystem::ToolDoc->new();
89			$doc->tool($tool);
90	williamc	1.1.2.6	$tool->reset();
91	williamc	1.1.2.3	if ( ! $doc->setup($url,$name,$version) ) {
92			$tool->store($self->_toolfile($name,$version));
93			}
94			undef $doc;
95			return $rv;
96			}
97
98
99	williamc	1.1.2.1	sub gettool {
100			my $self=shift;
101			my $product=shift;
102			my $version;
103
104			if ( @_ ) { $version=shift; }
105			else {
106			# lookup the default version
107			$version=$self->defaultversion($product);
108			return undef, if ( ! defined $version );
109			}
110	williamc	1.1.2.3	my ($tool,$rv)=$self->_toolobject($product,$version);
111			return ( $rv==0?$tool:undef ); # only return if already set up
112	williamc	1.1.2.1	}
113
114			sub defaultversion {
115			my $self=shift;
116			my $product=shift;
117
118			return $self->{defaults}{$product};
119			}
120
121	williamc	1.1.2.3	sub _toolfile {
122			my $self=shift;
123			my $name=shift;
124			my $version=shift;
125
126			return $self->{datastore}."/$name_$version.dat";
127			}
128
129			sub _download {
130			my $self=shift;
131			my $url=shift;
132
133			$url=~s/$self->{urlcache}\///;
134			# -- make sure we have a copy of the file
135			if ( ! -e $self->{urlcache}."/".$url ) {
136			&urlhandler::urlhandler("file:$ENV{SCRAM_HOME}/toolbox/"
137			.$url, $self->{urlcache}."/$url") ;
138			}
139			return $self->{urlcache}."/".$url;
140			}
141
142	williamc	1.1.2.1	sub _readclientsettings {
143			my $self=shift;
144			my $clientfile=shift;
145
146			my $fh=FileHandle->new();
147			$fh->open("<".$clientfile) or die "Unable to open $clientfile\n";
148			my ($tool,$product,$type,$version,$variable,$value);
149			while ( <$fh> ) {
150			chomp;
151			next if /^#/;
152			next if /^\s*$/;
153			($product, $version, $type, $variable, $value)=split /:/;
154			next if ( $variable=~/\&/ );
155			$product=~tr[A-Z][a-z];
156	williamc	1.1.2.3	($tool,$rv)=$self->_toolobject($product,$version);
157	williamc	1.1.2.1	$tool->addfeature($variable,$value);
158	williamc	1.1.2.2	$type=~tr[A-Z][a-z];
159			$tool->type($variable,$type);
160	williamc	1.1.2.1	}
161			undef $fh;
162			}
163
164			sub _readdefaultsfile {
165			my $self=shift;
166			my $file=shift;
167
168			my $fh=FileHandle->new();
169			$fh->open("<".$file) or die "Unable to open $file $!\n";
170			while ( <$fh> ) {
171			chomp;
172			next if /^#/;
173			next if /^\s*$/;
174			($product, $version)=split /:/;
175			$product=~tr[A-Z][a-z];
176			$self->{defaults}{$product}=$version;
177			}
178			undef $fh;
179			}
180
181	williamc	1.1.2.3
182	williamc	1.1.2.1	sub _toolobject {
183			my $self=shift;
184			my $product=shift;
185			my $version=shift;
186
187	williamc	1.1.2.5	my $rv=0;
188	williamc	1.1.2.3
189	williamc	1.1.2.1	if ( ! exists $self->{tools}{$product}{$version} ) {
190	williamc	1.1.2.3	$self->verbose("$product $version being Intitialised");
191	williamc	1.1.2.1	$self->{tools}{$product}{$version}=BuildSystem::Tool->new();
192	williamc	1.1.2.3	my $file=$self->_toolfile($product,$version);
193			if ( -f $file ) { # restore it from disk
194			$self->verbose("Recovering $product $version from $file");
195			$self->{tools}{$product}{$version}->restore($file);
196			}
197			else {
198	williamc	1.1.2.5	$rv=1;
199	williamc	1.1.2.3	$self->verbose("Tool $product $version needs set up");
200			}
201	williamc	1.1.2.1	push @{$self->{toollist}}, [$product, $version];
202			}
203	williamc	1.1.2.3	return ($self->{tools}{$product}{$version}, $rv);
204	williamc	1.1.2.1	}