build: add script for po to lua conversation

build/i18n-po2lua.pl

@@ -0,0 +1,69 @@
+#!/usr/bin/perl
+
+@ARGV == 2 || die "Usage: $0 <source-dir> <dest-dir>\n";
+
+my $source_dir  = shift @ARGV;
+my $target_dir  = shift @ARGV;
+
+if( ! -d $target_dir )
+{
+	system('mkdir', '-p', $target_dir);
+}
+
+
+my %target_strings;
+
+
+if( open F, "find $source_dir -type f -name '*.po' |" )
+{
+	while( chomp( my $file = readline F ) )
+	{
+		if( open L, "< $file" )
+		{
+			my ( $basename ) = $file =~ m{.+/([^/]+\.[\w\-]+)\.po$};
+
+			if( open D, "> $target_dir/$basename.lua" )
+			{
+				printf "Generating %-40s ", "$target_dir/$basename.lua";
+
+				my ( $k, $v );
+
+				while( chomp( my $line = readline L ) )
+				{
+					if( $line =~ /^msgid "(.+)"/ )
+					{
+						$k = $1;
+					}
+					elsif( $k && $line =~ /^msgstr "(.*)"/ )
+					{
+						$v = $1;
+					}
+					elsif( $k && defined($v) && $line =~ /^"(.+)"/ )
+					{
+						$v .= $1;
+					}
+					else
+					{
+						if( $k && defined($v) )
+						{
+							$v =~ s/\\(['"\\])/$1/g;
+							$v =~ s/(['\\])/\\$1/g;
+
+							printf D "%s%s='%s'\n", $v ? '' : '--', $k, $v;
+						}
+		
+						$k = $v = undef;
+					}
+				}
+
+				print "done\n";
+
+				close D;
+			}
+
+			close L;
+		}
+	}
+
+	close F;
+}