Make project a Perl package

Change-Id: I9cf3c99a1b849d939ace9c9a3b265267e45ab21c
diff --git a/lib/IDS/DeReKoVecs/Read.pm b/lib/IDS/DeReKoVecs/Read.pm
new file mode 100644
index 0000000..d76ddf0
--- /dev/null
+++ b/lib/IDS/DeReKoVecs/Read.pm
@@ -0,0 +1,93 @@
+use utf8;
+package IDS::DeReKoVecs::Read;
+use strict;
+use warnings;
+use Config;
+
+my $src_file      = undef;
+
+our $mergedEnd=0;
+our %cache;
+our %cccache; # classic collocator cache
+our %spcache; # similar profile cache
+our $opt_p = 5676;
+our $opt_C;
+
+BEGIN {
+  $src_file = __FILE__;
+  $src_file =~ s/Read.pm/derekovecs-server.c/;
+}
+
+use Inline C => "$src_file" => CLEAN_AFTER_BUILD => 0, BUILD_NOISY => 1, ccflags =>  $Config{ccflags} . "-Wall -fno-rtti -O4 -I/usr/local/kl/include", libs => "-L/usr/local/kl/lib64 -l:libcollocatordb.so.1.3.0";
+#use Inline C => Config => BUILD_NOISY => 1, CFLAGS => $Config{cflags}." -O4 -mtune k9";
+#use Inline C => Config => CLEAN_AFTER_BUILD => 0, ccflags => $Config{ccflags}." -Ofast -march k8 -mtune k8 ";
+
+use Mojo::JSON qw(decode_json encode_json to_json);
+use Exporter qw(import);
+
+our @EXPORT = qw(init_net load_sprofiles getCollocationAssociation getClassicCollocatorsCached getClassicCollocatorsCached getBiggestMergedDifferences filter_garbage get_neighbours);
+
+
+sub getCollocationAssociation {
+  my ($c, $word, $collocate) = @_;
+  return getCollocationScores($word, $collocate)
+}
+
+sub getClassicCollocatorsCached {
+  my ($c, $word) = @_;
+  my $s2 = "";
+  if($word > $mergedEnd) {
+    $word-=$mergedEnd;
+  }
+
+  if($opt_p >= 5000 && $opt_p < 5600) { # German non-reference
+      open PIPE, "GET http://corpora.ids-mannheim.de/openlab/derekovecs/getClassicCollocators?w=$word  |";
+  }
+  if($opt_C || !$cccache{$word}) {
+    $c->app->log->info("Getting classic collocates of $word.");
+    $cccache{$word} = getClassicCollocators($word);
+    $cccache{$word} =~ s/:(-?)(nan|inf)/:"${1}${2}"/g;
+  } else {
+    $c->app->log->info("Getting classic collocates for $word from cache.");
+  }
+  if($opt_p >= 5000 && $opt_p < 5600) { # German non-reference
+    while(<PIPE>) {
+      $s2 .= $_;
+    }
+    close(PIPE);
+  }
+
+  if(length($s2) > 2000) {
+    my $d1 = decode_json($cccache{$word});
+    my $d2 = decode_json($s2);
+    my %d2ld;
+    my $minLd = 14;
+    foreach my $i (@{$d2->{collocates}}) {
+      $d2ld{$i->{word}}=$i->{ld};
+      $minLd=$i->{ld} if($i->{ld} < $minLd);
+    }
+    foreach my $i (@{$d1->{collocates}}) {
+      my $w = $i->{word};
+      $i->{delta} = $i->{ld} - (defined $d2ld{$w} ? $d2ld{$w} : $minLd-0.1);
+    }
+    return(encode_json($d1));
+  } else {
+    my $d1 = decode_json($cccache{$word});
+    foreach my $i (@{$d1->{collocates}}) {
+      $i->{delta} = 0;
+    }
+    return(encode_json($d1));
+  }
+}
+
+sub getSimilarProfilesCached {
+  my ($c, $word) = @_;
+  if(!$spcache{$word}) {
+    $spcache{$word} = getSimilarProfiles($word);
+  } else {
+    $c->app->log->info("Getting similar profiles for $word from cache:");
+  }
+  return $spcache{$word};
+}
+
+return 1;