New CommodsDatabase module for broken out DBI stuff

[ypp-sc-tools.db-test.git] / pctb / CommodsDatabase.pm

diff --git a/pctb/CommodsDatabase.pm b/pctb/CommodsDatabase.pm
new file mode 100644 (file)
index 0000000..4866c85
--- /dev/null
+++ b/pctb/CommodsDatabase.pm
@@ -0,0 +1,69 @@
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+# are used without permission.  This program is not endorsed or
+# sponsored by Three Rings.
+
+package CommodsDatabase;
+
+use strict;
+use warnings;
+
+use DBI;
+
+use Commods;
+
+BEGIN {
+    use Exporter ();
+    our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
+    $VERSION     = 1.00;
+    @ISA         = qw(Exporter);
+    @EXPORT      = qw(&db_setocean &db_connect $dbh
+                     &db_filename &db_doall);
+    %EXPORT_TAGS = ( );
+
+    @EXPORT_OK   = qw();
+}
+
+our $dbfn;
+our $dbh;
+
+sub db_setocean ($) {
+    my ($oceanname) = @_;
+    $dbfn= "OCEAN-$oceanname.db";
+}
+sub db_filename () {
+    return $dbfn;
+}
+
+sub db_connect () {
+    $dbh= DBI->connect("dbi:SQLite:$dbfn",'','',
+                      { AutoCommit=>0,
+                        RaiseError=>1, ShowErrorStatement=>1,
+                        unicode=>1 })
+       or die "$dbfn $DBI::errstr ?";
+}
+
+sub db_doall ($) {
+    foreach my $cmd (split /\;/, $_[0]) {
+       $dbh->do("$cmd;") if $cmd =~ m/\S/;
+    }
+}
+
+1;