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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(ConfigArea,archstring) : 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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# setdefault(tool,version) : set the default version of a given tool (permanant)
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# versions(tool) : return a list of available versions of a given 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[,docurl]) : setup the named tool from the specified doc
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# if docurl 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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# searcher(SearchObject) : Set the search object for matching tools during setup
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# copytools(ToolBox) : copy tools from this to the supplied toolbox
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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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use Utilities::AddDir;
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use URL::URLhandler;
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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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my $area=shift;
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my $self={};
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bless $self, $class;
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$self->{arch}=shift;
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$self->init($area);
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#$self->verbosity(1);
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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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my $area=shift;
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my $top=$area->location();
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my $config=$top."/".$area->configurationdir();
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$self->{urlhandler}=URL::URLhandler->new($area->cache());
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$self->{toolfiledir}="$top/.SCRAM/ToolFiles";
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$self->{datastore}=$top."/.SCRAM/".$self->{arch};
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#$self->{datastore}=$area->archdir();
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$self->{tooladmin}=$self->{datastore}."/admin";
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AddDir::adddir($self->{toolfiledir});
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if ( -f $self->{tooladmin} ) {
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$self->_restore($self->{tooladmin});
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}
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else {
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# do we have toolfile dir and no admin? if so maybe its an old
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# area and we can attempt to get something from the filenames
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if ( -d $self->{datastore} ) {
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my $dh=FileHandle->new();
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opendir $dh, $self->{datastore};
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my @files=grep /.*_.*/, readdir $dh;
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undef $dh;
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if ( $#files >= 0 ) {
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$self->verbose("Backwards Compatability Mode");
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foreach $file ( @files ) {
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my ($name,$version)=($file=~/(.*)_(.*)\.dat/);
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push @{$self->{toollist}}, $name;
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push @{$self->{version}{$name}},$version;
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$self->{defaults}{$name}=$version;
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}
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}
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}
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}
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$self->_readdefaultsfile($config."/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 $name=shift;
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AddDir::adddir($self->{datastore});
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$name=~tr[A-Z][a-z];
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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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$tool->url($url);
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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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$filename=$self->_download($url, $name, $version);
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# -- the tool setup
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print "\n ----------- Setting Up $name $version ---------------\n";
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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->verbosity($self->verbosity());
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if ( defined $self->searcher() ) {
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$doc->toolsearcher($self->searcher());
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}
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$doc->interactive($self->interactive());
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$tool->reset();
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if ( ! $doc->setup($filename,$name,$version) ) {
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$tool->store($self->_toolfile($name,$version));
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# -- keep an internal record of the tool
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$name=~tr[A-Z][a-z];
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# -- ad a new version if appropriate
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if ( ! (grep { $_ eq $version; } @{$self->{version}{$name}}) ) {
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push @{$self->{version}{$name}},$version;
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}
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# - if default version for this tool doesnt exist make it this version
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if ( ! defined $self->{defaults}{$name} ) {
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# add to toollist if we dont already have it
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push @{$self->{toollist}}, $name;
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$self->{defaults}{$name}=$version;
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}
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$self->_save();
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}
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else {
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$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 copytools {
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my $self=shift;
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my $newtoolbox=shift;
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# - copy over data dir and admin files
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AddDir::copydir($self->datastore(),$newtoolbox->datastore());
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# - copy ToolFiles
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AddDir::copydir($self->toolfiledir(),$newtoolbox->toolfiledir());
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# - reinitialise the toolobject
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$newtoolbox->_restore($self->{tooladmin});
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}
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sub toolfiledir {
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my $self=shift;
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return $self->{toolfiledir};
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}
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sub datastore {
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my $self=shift;
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return $self->{datastore};
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}
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sub searcher {
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my $self=shift;
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if ( @_ ) {
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$self->{toolboxsearcher}=shift;
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}
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return $self->{toolboxsearcher};
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}
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sub versions {
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my $self=shift;
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my $toolname=shift;
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return @{$self->{'version'}{$toolname}};
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}
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sub setdefault {
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my $self=shift;
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my $product=shift;
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my $version=shift;
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$self->{defaults}{$product}=$version;
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$self->_save();
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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 $version;
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$product=~tr[A-Z][a-z];
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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 $version=shift;
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$name=~tr[A-Z][a-z];
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return $self->{datastore}."/".$name."_$version.dat";
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}
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#
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# Get a copy of the file we want in a place where users can easily find it
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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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my $tool=shift;
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my $version=shift;
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my $name=$tool."_".$version;
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# -- make sure we have a copy of the file
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my $filename=$self->{toolfiledir}."/".$name;
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if ( ! -f $filename ) {
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$self->verbose("Attempting Download of $url");
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($url,$filename)=$self->{urlhandler}->get($url);
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use File::Copy;
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my $tfname=$self->{toolfiledir}."/$name";
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copy($filename, $tfname);
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$self->verbose("Toolfile=".$tfname." copied from $filename");
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$filename=$tfname;
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}
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return $filename;
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}
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sub _save {
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my $self=shift;
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$self->_store($self->{tooladmin});
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}
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sub _restore {
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my $self=shift;
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my $file=shift;
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my $fh=FileHandle->new();
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$fh->open("<".$file);
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$self->verbose("Restoring toolbox from $file");
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my @versions;
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my $ver;
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while ( <$fh> ) {
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chomp;
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$name=$_;
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push @{$self->{toollist}}, $name;
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$ver=<$fh>;
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chomp $ver;
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@versions=split / /, $ver;
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push @{$self->{version}{$name}},@versions;
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$ver=<$fh>;
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chomp $ver;
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$self->{defaults}{$name}=$ver;
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}
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undef $fh;
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}
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sub _store {
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my $self=shift;
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my $file=shift;
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my $fh=FileHandle->new();
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$fh->open(">".$file);
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# save as triplets - name, versions, default version
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foreach $tool ( @{$self->{toollist}} ) {
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print $fh $tool."\n";
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my $vers=join " ",@{$self->{version}{$tool}};
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print $fh $vers."\n";
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print $fh $self->{defaults}{$tool}."\n";
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}
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undef $fh;
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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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# -- 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 _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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$self->{tools}{$product}{$version}->name($product);
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$self->{tools}{$product}{$version}->version($version);
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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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