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#
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# ScramFunctions.pm
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#
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# Written by Christopher Williams
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#
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# Description
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#
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# Interface
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# ---------
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# new() : A new ScramCommands object
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# project(urlstring,dir[,areaname]): Create a project from the given url file
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# return the area
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# satellite(name,version,installdirectory[,areaname]): create a satellite
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# project from the specified name version
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# addareatoDB(ConfigArea[,name[,version]]) : add area to the db
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# globalcache([cachedirectory])) : return the global cache object/set at dir.
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# scramprojectdb() : return the scram project DB object
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# areatoolbox(ConfigArea) : return the toolbox of the specified area
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# setuptoolsinarea($area[,$toolname[,$toolversion[,toolfile]) : setup
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# arch() : get/set the architecture string
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# scramobjectinterface(Class) : print out the interface of a scram class
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# webget(area,url) : get the url into the cache of the specified area
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# getversion() : return the current scram version
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# spawnversion(version,@args) : spawn the scram version with the given args
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package Scram::ScramFunctions;
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use URL::URLcache;
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use URL::URLhandler;
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use Utilities::Verbose;
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require 5.004;
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@ISA=qw(Utilities::Verbose);
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sub new {
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my $class=shift;
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$self={};
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bless $self, $class;
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# -- default settings
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$self->{cachedir}=$ENV{HOME}."/.scramrc/globalcache";
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$self->{scramprojectsdbdir}=$ENV{SCRAM_LOOKUPDB};
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($self->{scram_top})=( $ENV{SCRAM_HOME}=~/(.*)\//) ;
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return $self;
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}
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sub project {
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my $self=shift;
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my $url=shift;
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my $installarea=shift;
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my $areaname="";
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if ( @_ ) {
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$areaname=shift;
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}
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require Configuration::BootStrapProject;
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my $bs=Configuration::BootStrapProject->
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new($self->globalcache(),$installarea);
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$self->verbose("BootStrapping $url");
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my $area=$bs->boot($url,$areaname);
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if ( ! defined $area ) {
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$self->error("Unable to create project area");
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}
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$area->archname($self->arch());
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# -- download all tool description files
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my $req=$self->arearequirements($area);
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if ( defined $req ) {
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$req->download($self->areatoolbox($area));
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}
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return $area;
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}
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sub setuptoolsinarea {
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my $self=shift;
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my $area=shift;
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# -- initialise
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$self->_allprojectinitsearcher();
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# -- create a new toolbox object
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my $toolbox=$self->areatoolbox($area);
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$toolbox->searcher($self->_projsearcher());
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if ( @_ ) {
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# -- specific tool specified
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if ( my $rv=$toolbox->toolsetup(@_) ) {
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if ( $rv eq 1 ) {
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print "Unknown tool $toolname @ARGV\n";
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exit 1;
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}
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}
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}
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else {
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# -- setup all tools specified in the requirements doc
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my $reqs=$self->arearequirements($area);
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$self->verbose("Setup ToolBox from Requirements doc ($reqs)");
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$reqs->setup($toolbox);
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}
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}
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sub satellite {
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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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my $installarea=shift;
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my $areaname=undef;
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if ( @_ ) {
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$areaname=shift;
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}
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# -- look up scram database for location
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my $relarea=$self->_lookupareaindb($name,$version);
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if ( ! defined $relarea ) {
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$self->error("Unable to Find Project $name $version");
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}
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# -- fix for old broken areas
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if ( (! defined $relarea->version()) || ($relarea->version() eq "") ) {
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$relarea->version($version);
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}
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# -- create satellite
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my $area=$relarea->satellite($installarea,$areaname);
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$area->archname($self->arch());
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# -- copy setup info - deprecated by toolbox copy method
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#$relarea->copysetup($area->location());
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# -- copy toolbox
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my $rtb=$self->areatoolbox($relarea);
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my $tb=$self->areatoolbox($area);
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$rtb->copytools($tb);
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# -- copy configuration directory
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if ( ! -d $area->location()."/".$area->configurationdir() ) {
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use Utilities::AddDir;
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AddDir::copydir($relarea->location()."/".$relarea->configurationdir(),
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$area->location()."/".$area->configurationdir() );
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}
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# -- copy RequirementsDoc
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if ( ! -f $area->requirementsdoc() ) {
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use File::Copy;
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copy( $relarea->requirementsdoc() , $area->requirementsdoc());
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}
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return $area;
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}
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sub webget {
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my $self=shift;
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my $area=shift;
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my $url=shift;
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my $handler=URL::URLhandler->new($area->cache());
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return ($handler->get($url));
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}
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sub addareatoDB {
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my $self=shift;
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my $area=shift;
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my $tagname=shift;
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my $version=shift;
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# -- create defaults if necessary
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if ( (! defined $version) || ( $version eq "") ) {
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$version=$area->version();
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}
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if ( (! defined $tagname) || ( $tagname eq "") ) {
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$tagname=$area->name();
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}
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# -- Add to the DB
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$self->scramprojectdb()->addarea($tagname,$version,$area);
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}
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sub spawnversion {
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my $self=shift;
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my $version=shift;
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my $rv=0;
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my $thisversion=$self->getversion();
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if ( defined $version ) {
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if ( $version ne $thisversion ) {
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# first try to use the correct version
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if ( -d $self->{scram_top}."/".$version ) {
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$ENV{SCRAM_HOME}=$self->{scram_top}."/".$version;
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$ENV{TOOL_HOME}="$ENV{SCRAM_HOME}/src";
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$self->verbose("Spawning SCRAM version $version");
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my $rv=system("scram", @_)/256;
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exit $rv;
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}
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else { # if not then simply warn
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print "******* Warning : scram version inconsistent ********\n";
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print "This version: $thisversion; Required version: $version\n";
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print "*****************************************************\n";
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print "\n";
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}
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}
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}
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else {
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$self->error("Undefined value for version requested");
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$rv=1;
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}
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return $rv;
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}
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sub globalcache {
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my $self=shift;
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if ( @_ ) {
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$self->{cachedir}=shift;
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}
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if ( ! defined $self->{globalcache} ) {
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$self->{globalcache}=URL::URLcache->new($self->{cachedir});
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}
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return $self->{globalcache};
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}
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sub scramprojectdb {
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my $self=shift;
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if ( @_ ) {
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$self->{scramprojectsdbdir}=shift;
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}
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if ( ! defined $self->{scramprojectsdb} ) {
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require Scram::ScramProjectDB;
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$self->{scramprojectsdb}=Scram::ScramProjectDB->new(
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$self->{scramprojectsdbdir} );
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$self->{scramprojectsdb}->verbosity($self->verbosity());
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}
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return $self->{scramprojectsdb};
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}
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sub getversion {
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my $self=shift;
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my $thisversion;
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($thisversion=$ENV{SCRAM_HOME})=~s/(.*)\///;
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my $scram_top=$1;
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my $scram_version=$thisversion;
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# deal with links
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my $version=readlink $ENV{SCRAM_HOME};
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if ( defined $version) {
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$scram_version=$version;
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}
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return $scram_version;
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}
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sub areatoolbox {
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my $self=shift;
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my $area=shift;
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my $name=$area->location();
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if ( ! defined $self->{toolboxes}{$name} ) {
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# -- create a new toolbox object
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require BuildSystem::ToolBox;
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$self->{toolboxes}{$name}=BuildSystem::ToolBox->new($area,
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$self->arch());
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$self->{toolboxes}{$name}->verbosity($self->verbosity());
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}
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return $self->{toolboxes}{$name};
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}
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sub arearequirements {
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my $self=shift;
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my $area=shift;
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my $name=$area->location();
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if ( ! defined $self->{requirements}{$name} ) {
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# -- create a new toolbox object
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require BuildSystem::Requirements;
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my $doc=$area->requirementsdoc();
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my $cache=$area->cache();
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my $db=$area->objectstore();
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require ActiveDoc::ActiveStore;
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my $astore=ActiveDoc::ActiveStore->new($db,$cache);
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$self->{requirements}{$name}=
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BuildSystem::Requirements->new($astore,"file:".$doc,
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$ENV{SCRAM_ARCH});
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$self->{requirements}{$name}->verbosity($self->verbosity());
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$self->verbose("Requirements Doc (".$self->{requirements}{$name}.
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") for area :\n $name\n initiated from $doc");
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}
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else {
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$self->verbose("Requirements Doc (".$self->{requirements}{$name}.")");
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}
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return $self->{requirements}{$name};
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}
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sub arch {
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my $self=shift;
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@_?$self->{arch}=shift
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:$self->{arch};
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}
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sub scramobjectinterface {
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my $self=shift;
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my $class=shift;
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my $file;
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($file=$class."\.pm")=~s/::/\//g;
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$file=$ENV{TOOL_HOME}."/".$file;
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if ( ! -f $file ) {
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$self->error("Unable to find $class in ".$ENV{TOOL_HOME});
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}
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print "--------------------- $class ------------------\n";
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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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if ( $_=~/#\s*Interface/g ) {
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$intregion=1;
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next;
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}
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if ( $intregion ) { # if we are in the interface documentation
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if ( ( $_!~/^#/ ) || ( $_=~/^#\s?-{40}/ ) ) { #moving out of Int doc
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$intregion=0;
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next;
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}
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print $_;
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if ( $_=~/^#\s*(.*)\((.*)\)?:(.*)/ ) {
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$interface=$1;
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$args=$2;
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$rest=$3;
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next if ($interface eq "");
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push @interfaces,$interface;
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$interfaceargs{$interface}=$args;
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}
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}
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}
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print "\n";
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undef $fh;
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}
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# -------------- Support Routines ------------------------------
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sub _allprojectinitsearcher {
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if ( ! defined $self->{projsearcher} ) {
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my $search=_projsearcher();
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foreach $proj ( $self->scramprojectdb()->list() ) {
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$search->addproject($$proj[0],$$proj[1]);
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}
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}
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}
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sub _projsearcher {
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if ( ! defined $self->{projsearcher} ) {
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require Scram::ProjectSearcher;
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$self->{projsearcher}=Scram::ProjectSearcher->new(
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$self->scramprojectdb());
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}
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return $self->{projsearcher};
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}
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sub _lookupareaindb {
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my $self=shift;
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my $area=undef;
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# -- Look up the area in the databse
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my @areas=$self->scramprojectdb()->getarea(@_);
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if ( $#areas > 0 ) { #ambigous
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# could ask user - for now just error
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$self->error("Ambigous request - please be more specific");
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}
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elsif ( $#areas != 0 ) { #not found
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$self->error("The project requested has not been found");
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}
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else {
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$area=$areas[0];
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}
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return $area;
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}
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