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#
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# ToolBox.pm
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#
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# Originally Written by Christopher Williams
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#
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# Description
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# -----------
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# tools and interface to access them
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#
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# Interface
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# ---------
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# new() : A new toolbox object
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# tools() : return a list of tools (name,version) pairs
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# defaultversion(tool) : return the default version of the specified tool
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# gettool(name[,version]) : get the tool object with the given name
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# returns the default version if version not spec.
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# returns undef if no setup tool is available
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# toolsetup(name,version[,doc]) : setup the named tool from the specified doc
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# if doc not specified try and use previous
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# document; returns 0=OK 1=no version
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# interactive(0|1) : set the setup mode
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package BuildSystem::ToolBox;
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use FileHandle;
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use BuildSystem::Tool;
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use Utilities::Verbose;
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@ISA=qw(Utilities::Verbose);
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require 5.004;
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sub new {
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my $class=shift;
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$self={};
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bless $self, $class;
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$self->init();
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return $self;
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}
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sub init {
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my $self=shift;
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$self->{urlcache}="$ENV{LOCALTOP}/.SCRAM/ToolFiles";
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$self->{datastore}=$ENV{LOCALTOP}."/.SCRAM/".$ENV{SCRAM_ARCH};
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AddDir::adddir($self->{datastore});
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AddDir::adddir($self->{urlcache});
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$self->_readdefaultsfile($ENV{LOCALTOP}."/".$ENV{projconfigdir}.
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"/External_Dependencies");
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}
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sub interactive {
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my $self=shift;
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@_?$self->{interactive}=shift
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:((defined $self->{interactive})?$self->{interactive}:0);
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}
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sub tools {
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my $self=shift;
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return @{$self->{toollist}};
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}
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sub toolsetup {
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my $self=shift;
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my $name=shift;
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my $rv=0;
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# -- get version
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my $version;
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if ( @_ ) {
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$version=shift;
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}
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else {
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$version=$self->defaultversion($name);
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if ( ! defined $version ) { $rv=1; return $rv; }
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}
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my $url;
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# -- get a tool object
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my ($tool)=$self->_toolobject($name,$version);
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# -- get the url
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if ( @_ ) {
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$url=shift;
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}
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else {
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# no url specified - try to get it from the tool
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$url=$tool->url();
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if ( ! defined $url ) {
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$self->error("Unable to determine document for tool ".
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$name." ".$version);
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}
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}
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$url=$self->_download($url);
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require BuildSystem::ToolDoc;
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my $doc=BuildSystem::ToolDoc->new();
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$doc->tool($tool);
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$doc->interactive($self->interactive());
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$tool->reset();
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if ( ! $doc->setup($url,$name,$version) ) {
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$tool->store($self->_toolfile($name,$version));
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}
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else {
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$self->error("Unable to find $name $version in $url");
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}
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undef $doc;
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return $rv;
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}
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sub gettool {
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my $self=shift;
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my $product=shift;
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my $version;
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if ( @_ ) { $version=shift; }
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else {
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# lookup the default version
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$version=$self->defaultversion($product);
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return undef, if ( ! defined $version );
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}
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my ($tool,$rv)=$self->_toolobject($product,$version);
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return ( $rv==0?$tool:undef ); # only return if already set up
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}
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sub defaultversion {
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my $self=shift;
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my $product=shift;
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return $self->{defaults}{$product};
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}
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sub _toolfile {
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my $self=shift;
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my $name=shift;
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my $version=shift;
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return $self->{datastore}."/$name_$version.dat";
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}
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sub _download {
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my $self=shift;
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my $url=shift;
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$url=~s/$self->{urlcache}\///;
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# -- make sure we have a copy of the file
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if ( ! -e $self->{urlcache}."/".$url ) {
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&urlhandler::urlhandler("file:$ENV{SCRAM_HOME}/toolbox/"
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.$url, $self->{urlcache}."/$url") ;
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}
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return $self->{urlcache}."/".$url;
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}
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sub _readdefaultsfile {
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my $self=shift;
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my $file=shift;
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# -- Get defaults from the RequirementsDoc
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my $req=$self->_requirements();
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my $tool;
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foreach $tool ( $req->tools()) {
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if ( ! defined $self->{defaults}{$tool} ) {
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$self->{defaults}{$tool}=$req->version($tool);
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}
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}
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# -- Read the default override file
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my $fh=FileHandle->new();
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$fh->open("<".$file);
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while ( <$fh> ) {
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chomp;
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next if /^#/;
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next if /^\s*$/;
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($product, $version)=split /:/;
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$product=~tr[A-Z][a-z];
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$self->{defaults}{$product}=$version;
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}
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undef $fh;
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}
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sub _requirements {
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if ( ! defined $reqsobj ) {
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require BuildSystem::Requirements;
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$reqsobj=BuildSystem::Requirements->new($ENV{SCRAM_ProjReqsDoc});
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}
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return $reqsobj;
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}
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sub _toolobject {
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my $self=shift;
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my $product=shift;
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my $version=shift;
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my $rv=0;
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if ( ! exists $self->{tools}{$product}{$version} ) {
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$self->verbose("$product $version being Intitialised");
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$self->{tools}{$product}{$version}=BuildSystem::Tool->new();
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my $file=$self->_toolfile($product,$version);
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if ( -f $file ) { # restore it from disk
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$self->verbose("Recovering $product $version from $file");
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$self->{tools}{$product}{$version}->restore($file);
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}
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else {
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$rv=1;
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$self->verbose("Tool $product $version needs set up");
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}
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push @{$self->{toollist}}, [$product, $version];
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}
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return ($self->{tools}{$product}{$version}, $rv);
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}
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