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#
# TLSRC.pm
# module for using tlsrc files
# Copyright 2007 Norbert Preining
#
# This file is licensed under the GNU General Public Licence version 2
# or any later version

package TLSRC;

my @Architectures = qw/alpha-linux hppa-hpux i386-darwin i386-freebsd
	i386-linux i386-openbsd i386-solaris mips-irix powerpc-aix powerpc-darwin
	powerpc-linux sparc-linux sparc-solaris win32 x86_64-linux/;

use TLP;
use TLTREE;

print "WARNING WARNING WARNING\n";
print "format of TLP files has changed, we need to adapt the TLSRC !!!\n";
print "Multiple *files arch=... size=....\n";
print "also in _do_*_pattern something with the arch!\n";
die;

sub new { 
	my $class = shift;
	my %params = @_;
	my $self = {
		name        => $params{'name'},
		shortdesc   => $params{'shortdesc'},
		longdesc    => $params{'longdesc'},
		catalogue   => $params{'catalogue'},
		runpatterns => $params{'runpatterns'},
		srcpatterns => $params{'srcpatterns'},
		docpatterns => $params{'docpatterns'},
		binpatterns => $params{'binpatterns'},
		executes    => defined($params{'executes'}) ? $params{'executes'} : [],
		depends     => defined($params{'depends'}) ? $params{'depends'} : [],
	};
	bless $self, $class;
	return $self;
}

sub from_file {
	my $self = shift;
	if (@_ != 1) {
		die("Need a filename for initialization!");
	}
	open(TMP,"<$_[0]") || die("Cannot open tlsrc file: $_[0]");
	my @lines = <TMP>;
	close(TMP);
	my $name = "";
	my $shortdesc = "";
	my $longdesc= "";
	my $catalogue = "";
	my (@executes, @depends);
	my (@runpatterns, @docpatterns, @binpatterns, @srcpatterns);
	my $started = 0;
	my $finished = 0;
	my $lastcmd = "";

	foreach my $line (@lines) {
		$line =~ /^\s*#/ && next;          # skip comment lines
		if ($line =~ /^\s*$/) {
			if (!$started) { next; }
			if ($finished) { next; }
			die("No empty line allowed in tlsrc files!");
		}
		if ($line =~ /^ /) {
			if ( ($lastcmd eq "longdesc") ||
			     ($lastcmd eq "runpatterns")  ||
			     ($lastcmd eq "binpatterns")  ||
			     ($lastcmd eq "docpatterns")  ||
			     ($lastcmd eq "srcpatterns")  ||
			     ($lastcmd eq "execute")  ||
				 ($lastcmd eq "depend") ) {
				$line =~ s/^ /$lastcmd /;
			} else {
				die("Continuation of $lastcmd not allowed, please fix tlsrc!\n");
			}
		}
		if ($line =~ /^name\s*([\w-]+)$/) {
			$name = "$1";
			$lastcmd = "name";
			$started && die("Cannot have two name directives!");
			$started = 1;
		} else {
			$started || die("First directive needs to be 'name'");
			if ($line =~ /^shortdesc\s*(.*)$/) {
				$shortdesc .= "$1 ";
				$lastcmd = "shortdesc";
				next;
			} elsif ($line =~ /^longdesc\s+(.*)$/) {
				$longdesc .= "$1 ";
				$lastcmd = "longdesc";
				next;
			} elsif ($line =~ /^catalogue\s+(.*)$/) {
				$catalogue .= "$1 ";
				$lastcmd = "catalogue";
				next;
			} elsif ($line =~ /^runpatterns\s+(.*)$/) {
				push @runpatterns, "$1";
				$lastcmd = "runpattern";
				next;
			} elsif ($line =~ /^srcpatterns\s+(.*)$/) {
				push @srcpatterns, "$1";
				$lastcmd = "srcpattern";
				next;
			} elsif ($line =~ /^docpatterns\s+(.*)$/) {
				push @docpatterns, "$1";
				$lastcmd = "docpattern";
				next;
			} elsif ($line =~ /^binpatterns\s+(.*)$/) {
				push @binpatterns, "$1";
				$lastcmd = "binpattern";
				next;
			} elsif ($line =~ /^execute\s+(.*)$/) {
				push @executes, "$1";
				$lastcmd = "execute";
				next;
			} elsif ($line =~ /^depend\s+(.*)$/) {
				push @depends, "$1";
				$lastcmd = "depend";
				next;
			} else {
				die("Unknown directive ...$line... in $tlsrc, please fix it!");
			}
		}
	}
	$self->name("$name");
	$self->catalogue($catalogue ne "" ? "$catalogue" : "$name");
	$self->shortdesc("$shortdesc") if ($shortdesc ne "");
	$self->longdesc("$longdesc") if ($longdesc ne "");
	$self->srcpatterns(@srcpatterns) if ($#srcpatterns >= 0);
	$self->runpatterns(@runpatterns) if ($#runpatterns >= 0);
	$self->binpatterns(@binpatterns) if ($#binpatterns >= 0);
	$self->docpatterns(@docpatterns) if ($#docpatterns >= 0);
	$self->executes(@executes) if ($#executes >= 0);
	$self->depends(@depends) if ($#depends >= 0);
}

sub writeout {
	my $self = shift;
	my $fd = (@_ ? $_[0] : STDOUT);
	print $fd "name ", $self->name, "\n";
	print $fd "catalogue $self->{'catalogue'}\n";
	defined($self->{'shortdesc'}) && print $fd "shortdesc $self->{'shortdesc'}\n";
	if (defined($self->{'longdesc'})) {
		my $tmp = $self->{'longdesc'};
		$~ = "multilineformat";
		write $fd;
	}
	if (defined($self->{'depends'})) {
		foreach (@{$self->{'depends'}}) {
			print $fd "depend $_\n";
		}
	}
	if (defined($self->{'executes'})) {
		foreach (@{$self->{'executes'}}) {
			print $fd "execute $_\n";
		}
	}
	if (defined($self->{'srcpatterns'}) && (@{$self->{'srcpatterns'}})) {
		print $fd "srcpatterns\n";
		foreach (sort @{$self->{'srcpatterns'}}) {
			print $fd " $_\n";
		}
	}
	if (defined($self->{'runpatterns'}) && (@{$self->{'runpatterns'}})) {
		print $fd "runpatterns\n";
		foreach (sort @{$self->{'runpatterns'}}) {
			print $fd " $_\n";
		}
	}
	if (defined($self->{'docpatterns'}) && (@{$self->{'docpatterns'}})) {
		print $fd "docpatterns\n";
		foreach (sort @{$self->{'docpatterns'}}) {
			print $fd " $_\n";
		}
	}
	if (defined($self->{'binpatterns'}) && (@{$self->{'binpatterns'}})) {
		print $fd "binpatterns\n";
		foreach (sort @{$self->{'binpatterns'}}) {
			print $fd " $_\n";
		}
	}
}

#
# the hard work, generate a TLP file
#

sub make_tlp {
	my ($self,$tltree) = @_;
	# predefined patterns if all are missing
	if (! ( (defined($self->{'runpatterns'})) ||
	        (defined($self->{'srcpatterns'})) ||
			(defined($self->{'docpatterns'})) ||
			(defined($self->{'binpatterns'})) )) {
		foreach my $md (qw/bibtex context dvips fonts makeindex metafont
							metapost mft omega scripts tex vtex/) {
			push @{$self->{'runpatterns'}}, "t texmf-dist $md $self->{'name'}";
		}
		push @{$self->{'docpatterns'}}, "t texmf-dist doc $self->{'name'}";
		push @{$self->{'srcpatterns'}}, "t texmf-dist source $self->{'name'}"; 
	}
	my $tlp = TLP->new;
	$tlp->name($self->name);
	$tlp->shortdesc($self->{'shortdesc'}) if (defined($self->{'shortdesc'}));
	$tlp->longdesc($self->{'longdesc'}) if (defined($self->{'longdesc'}));
	$tlp->catalogue($self->{'catalogue'}) if (defined($self->{'catalogue'}));
	$tlp->executes(@{$self->{'executes'}}) if (defined($self->{'executes'}));
	$tlp->depends(@{$self->{'depends'}}) if (defined($self->{'depends'}));
	$tlp->revision(0);
	my $filemax;
	foreach my $p (@{$self->{'runpatterns'}}) {
		my ($pattype,@patwords) = split ' ',$p;
		if ($pattype eq "t") {
			$self->_do_leaf_pattern($tlp,$tltree,'runfiles',@patwords);
		} else {
			$self->_do_regexp_pattern($tlp,$tltree,'runfiles',$q);
		}
	}
	foreach my $p (@{$self->{'srcpatterns'}}) {
		my ($pattype,@patwords) = split ' ',$p;
		if ($pattype eq "t") {
			$self->_do_leaf_pattern($tlp,$tltree,'srcfiles',@patwords);
		} else {
			$self->_do_regexp_pattern($tlp,$tltree,'srcfiles',$q);
		}
	}
	foreach my $p (@{$self->{'docpatterns'}}) {
		my ($pattype,@patwords) = split ' ',$p;
		if ($pattype eq "t") {
			$self->_do_leaf_pattern($tlp,$tltree,'docfiles',@patwords);
		} else {
			$self->_do_regexp_pattern($tlp,$tltree,'docfiles',$q);
		}
	}
	foreach my $p (@{$self->{'binpatterns'}}) {
		my ($pattype,@patwords) = split ' ',$p;
		if ($pattype eq "t") {
			$self->_do_leaf_pattern($tlp,$tltree,'binfiles',@patwords);
		} else {
			$self->_do_regexp_pattern($tlp,$tltree,'binfiles',$q);
		}
	}
	return $tlp;
}

sub _do_leaf_pattern {
	my ($self,$tlp,$tltree,$type,@patwords) = @_;
	my @matchfiles = $tltree->get_files_matching_dir_pattern($type,@patwords);
	my $filemax;
	foreach my $f (@matchfiles) {
		$filemax = $tltree->file_svn_lastrevision($f);
		$tlp->revision(($filemax > $tlp->revision) ? $filemax : $tlp->revision);
	}
	if ($type eq "bin") {
		# we have to do something with the architecture!!!
		$tlp->add_binfiles($arch,@matchfiles);
	} else {
		$tlp->add_files($type,@matchfiles);
	}
}

sub _do_regexp_pattern {
	my ($self,$tlp,$tltree,$type,$p) = @_;
	my @matchfiles = $tltree->get_files_matching_regexp_pattern($type,$p);
	my $filemax;
	foreach my $f (@matchfiles) {
		$filemax = $tltree->file_svn_lastrevision($f);
		$tlp->revision(($filemax > $tlp->revision) ? $filemax : $tlp->revision);
	}
	if ($type eq "bin") {
		# we have to do something with the architecture!!!
		$tlp->add_binfiles($arch,@matchfiles);
	} else {
		$tlp->add_files($type,@matchfiles);
	}
}

sub pattern_hit {
	my ($file, $pattern) = @_;
	my (@dirs) = split /\//, $file;
	$pattern =~ /^(d|f|t)\s+(.*)$/;
	my $pattype = $1;
	my $patdata = $2;
	if ($pattype eq "d") {
		pop @dirs ; 
		my $foo = join "/",@dirs;
		if ($foo =~ /^$patdata$/) {
			return 1;
		}
	} elsif ($pattype eq "f") {
		if ($file =~ /^$patdata$/) {
			return 1;
		}
	} else {
		die("Unknown pattern specification: $pattern!");
	}
	return 0;
}

#
# member access functions
#
sub name {
	my $self = shift;
	if (@_) { $self->{'name'} = shift }
	return $self->{'name'};
}
sub shortdesc {
	my $self = shift;
	if (@_) { $self->{'shortdesc'} = shift }
	return $self->{'shortdesc'};
}
sub longdesc {
	my $self = shift;
	if (@_) { $self->{'longdesc'} = shift }
	return $self->{'longdesc'};
}
sub catalogue {
	my $self = shift;
	if (@_) { $self->{'catalogue'} = shift }
	return $self->{'catalogue'};
}
sub srcpatterns {
	my $self = shift;
	if (@_) { @{ $self->{'srcpatterns'} } = @_ }
	return @{ $self->{'srcpatterns'} };
}
sub docpatterns {
	my $self = shift;
	if (@_) { @{ $self->{'docpatterns'} } = @_ }
	return @{ $self->{'docpatterns'} };
}
sub binpatterns {
	my $self = shift;
	if (@_) { @{ $self->{'binpatterns'} } = @_ }
	return @{ $self->{'binpatterns'} };
}
sub depends {
	my $self = shift;
	if (@_) { @{ $self->{'depends'} } = @_ }
	return @{ $self->{'depends'} };
}
sub runpatterns {
	my $self = shift;
	if (@_) { @{ $self->{'runpatterns'} } = @_ }
	return @{ $self->{'runpatterns'} };
}
sub executes {
	my $self = shift;
	if (@_) { @{ $self->{'executes'} } = @_ }
	return @{ $self->{'executes'} };
}
sub architectures {
	my $self = shift;
	if (@_) { @Architectures = @_ }
	return @Architectures;
}


1;

# FORMATS
format multilineformat =
^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
$tmp
 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
$tmp
.

### Local Variables:
### perl-indent-level: 4
### tab-width: 4
### indent-tabs-mode: t
### End:
# vim:set tabstop=4: #