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#____________________________________________________________________
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# File: TemplateInterface.pm
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#____________________________________________________________________
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#
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# Author: Shaun Ashby <Shaun.Ashby@cern.ch>
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# Update: 2004-07-01 14:03:46+0200
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# Revision: $Id: TemplateInterface.pm,v 1.3 2006/11/14 17:43:14 sashby Exp $
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#
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# Copyright: 2004 (C) Shaun Ashby
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#
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#--------------------------------------------------------------------
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package BuildSystem::TemplateInterface;
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require 5.004;
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use Exporter;
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@ISA=qw(Exporter);
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@EXPORT_OK=qw( );
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sub new()
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###############################################################
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# new #
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###############################################################
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# modified : Thu Jul 1 14:04:01 2004 / SFA #
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# params : #
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# : #
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# function : #
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# : #
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###############################################################
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{
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my $proto=shift;
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my $class=ref($proto) || $proto;
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my $self={};
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bless $self,$class;
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# Process the environment hash and extract a
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# list of vars that are needed for building.
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# NB: This is done once only!
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my %exportenv;
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map
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{
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if ($_ =~ /^SCRAM/ || $_ =~ /(LOCAL|RELEASE)TOP$/)
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{
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$exportenv{$_} = $ENV{$_} if ($_ !~ /^SCRAMRT\_.*$/);
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}
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} keys %ENV;
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# Add the environment information to the TEMPLATE_DATA hash:
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$self->{TEMPLATE_DATA} = { 'environment' => \%exportenv };
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# The filehandle for the generated Makefile:
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my $makefile="$ENV{LOCALTOP}/$ENV{SCRAM_INTwork}/Makefile";
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use FileHandle;
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$self->{MAKEFILEFH} = FileHandle->new();
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$self->{MAKEFILEFH}->open("> $makefile");
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# Init and pass in the template location:
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$self->_init(@_);
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return $self;
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}
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sub _init()
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{
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my $self=shift;
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my ($templatedir)=@_;
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# Set the location where the templates may be found:
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$self->template_dir($templatedir);
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# Configure the template object:
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$self->template_config();
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# Create the new Template object:
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$self->template_object();
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return $self;
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}
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sub template_object()
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{
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my $self=shift;
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# Instantiate a new Template object:
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eval("use Template");
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if ($@)
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{
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print "\nSCRAM Error: It appears that the module \"Template.pm\" is not installed.","\n";
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print " Please check your installaion. If you are an administrator,","\n";
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print " you can find the Perl Template Toolkit at www.cpan.org or at","\n";
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print " the web site of the author (Andy Wardley):","\n";
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print "\n";
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print " www.template-toolkit.com","\n";
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print "\n";
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print " You should install version 2.xx (2.13 or better).","\n";
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print "\nscram-developers\@cern.ch","\n\n";
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exit(1);
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}
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else
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{
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$self->{TEMPLATE_OBJECT} = Template->new($self->{TEMPLATE_CONFIG});
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}
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return $self;
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}
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sub template_dir()
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{
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my $self=shift;
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my ($templatedir)=@_;
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my $dir = $ENV{LOCALTOP}."/".$ENV{SCRAM_CONFIGDIR};
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if ((exists $ENV{SCRAM_PROJECT_TEMPLATEDIR}) &&
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($ENV{SCRAM_PROJECT_TEMPLATEDIR} !~ /^\s*$/)) {
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$dir = $ENV{SCRAM_PROJECT_TEMPLATEDIR};
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}
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$templatedir ||= $dir;
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$self->{TEMPLATE_DIR} = $templatedir;
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return $self;
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}
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sub template_config()
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{
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my $self=shift;
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# Set up Template opts:
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$self->{TEMPLATE_CONFIG} =
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{
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INCLUDE_PATH => [ "$self->{TEMPLATE_DIR}","$ENV{LOCALTOP}/$ENV{SCRAM_CONFIGDIR}" ],
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PLUGIN_BASE => [ qw(SCRAM::Plugins BuildSystem::Template::Plugins) ],
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EVAL_PERL => 1,
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ABSOLUTE => 1
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};
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return $self;
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}
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sub template_data()
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{
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my $self=shift;
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my ($data) = @_;
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# Set the things that we must set. The "data" key points
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# to a DataCollector object. The "branch" data is a
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# TreeItem object:
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$self->{TEMPLATE} = $data->template();
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# Add required data accessed by key:
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$self->{TEMPLATE_DATA}->{branch} = $data;
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}
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sub run()
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{
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my $self=shift;
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local *FH = $self->{MAKEFILEFH};
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$self->{TEMPLATE_OBJECT}->process($self->{TEMPLATE},
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$self->{TEMPLATE_DATA},
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$self->{MAKEFILEFH} )
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|| die "SCRAM: Template error --> ",$self->{TEMPLATE_OBJECT}->error;
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}
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1;
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