From d56a0fb1983d26341bdfb2d2f2165a69e785cfb6 Mon Sep 17 00:00:00 2001
From: Brian West <brian@freeswitch.org>
Date: Fri, 14 Feb 2014 15:15:22 -0600
Subject: [PATCH] timezones.conf.xml generator

---
 scripts/perl/timezone-gen.pl | 87 ++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 scripts/perl/timezone-gen.pl

diff --git a/scripts/perl/timezone-gen.pl b/scripts/perl/timezone-gen.pl
new file mode 100644
index 0000000000..f70a13e477
--- /dev/null
+++ b/scripts/perl/timezone-gen.pl
@@ -0,0 +1,87 @@
+#!/usr/bin/perl
+
+use strict;
+use Getopt::Long;
+
+my $base   = "/usr/share/zoneinfo";
+my $output = "timezones.conf.xml";
+my $debug;
+my $help;
+
+my %zones        = ();
+my %name_to_file = ();
+
+my $res = GetOptions(
+    "base=s" => \$base,
+    "debug+" => \$debug,
+    "help"   => \$help,
+    "output" => \$output
+);
+if ( !$res || $help ) {
+    print "$0 [--base=/usr/share/zoneinfo] [--output=timezones.conf] [--debug] [--help]\n";
+    exit;
+  }
+
+opendir( my $top, $base );
+while ( my $file = readdir($top) ) {
+    next if ( $file eq "." || $file eq "." );
+
+    if ( -f "$base/$file" ) {
+        $debug && print "Found $base/$file\n";
+        $name_to_file{$file} = "$base/$file";
+      }
+    elsif ( -d "$base/$file" ) {
+        opendir( my $sdir, "$base/$file" );
+        while ( my $subfile = readdir($sdir) ) {
+            next if ( $subfile eq "." || $subfile eq "." );
+            if ( -f "$base/$file/$subfile" ) {
+                $debug && print "Found $base/$file/$subfile...\n";
+                $name_to_file{"$file/$subfile"} = "$base/$file/$subfile";
+	      }
+	  }
+        closedir($sdir);
+      }
+  }
+closedir($top);
+
+foreach my $name ( sort( keys(%name_to_file) ) ) {
+    my $file = $name_to_file{$name};
+    $debug && print "Processing $file...\n";
+
+    open( my $in, "<$file" );
+    my $data = join( "", <$in> );
+    close($in);
+
+    if ( $data !~ /^TZif2/o ) {
+        $debug && print "Skipped $file\n";
+        next;
+      }
+
+    my $tmp = $data;
+    $tmp =~ s/\n$//s;
+    $tmp =~ s/.*\n//sgmo;
+
+    $zones{$name} = $tmp;
+  }
+
+open( my $out, ">$output" );
+print $out "<configuration name=\"timezones.conf\" description=\"Timezones\">\n";
+print $out " " x 4, "<timezones>\n";
+
+my $lastprefix = "";
+foreach my $zone ( sort( keys(%zones) ) ) {
+    my $str = $zones{$zone};
+    next if ( !$str );
+
+    my $newprefix = $zone;
+    $newprefix =~ s|/.*||go;
+    if ( $newprefix ne $lastprefix && $lastprefix ne "" ) {
+        print $out "\n";
+      }
+    $lastprefix = $newprefix;
+
+    print $out "\t<zone name=\"$zone\" value=\"$str\" />\n";
+  }
+print $out " " x 4, "</timezones>\n";
+print $out "</configuration>\n";
+close($out);