build: fix some errors in i18n-scan.pl, support bracketed Lua string notation

diff --git a/build/i18n-scan.pl b/build/i18n-scan.pl
index 8c01a99c4fd32128648d4abec28ce1cbd559c5e6..cee07fdfe1ea21e4174f03ce3d436d88e0c8f8ca 100755 (executable)
--- a/build/i18n-scan.pl
+++ b/build/i18n-scan.pl
@@ -12,10 +12,10 @@ my %stringtable;
 sub dec_lua_str
 {
        my $s = shift;
+       $s =~ s/[\s\n]+/ /g;
        $s =~ s/\\n/\n/g;
-       $s =~ s/\\t/\n/g;
+       $s =~ s/\\t/\t/g;
        $s =~ s/\\(.)/$1/g;
-       $s =~ s/[\s\n]+/ /g;
        $s =~ s/^ //;
        $s =~ s/ $//;
        return $s;
@@ -50,23 +50,39 @@ if( open F, "find @ARGV -type f '(' -name '*.htm' -o -name '*.lua' ')' |" )
                        while( $text =~ s/ ^ .*? (?:translate|translatef|i18n|_) [\n\s]* \( /(/sgx )
                        {
                                ( my $code, $text ) = extract_bracketed($text, q{('")});
-                               $code =~ s/^\(//; $code =~ s/\)$//;
+
+                               $code =~ s/^\([\n\s]*//;
+                               $code =~ s/[\n\s]*\)$//;
 
                                my $res = "";
                                my $sub = "";
 
-                               while( defined $sub )
+                               if( $code =~ /^['"]/ )
                                {
-                                       ( $sub, $code ) = extract_delimited($code, q{'"}, q{\s*(?:\.\.\s*)?});
-
-                                       if( defined $sub )
+                                       while( defined $sub )
                                        {
-                                               $res .= substr $sub, 1, length($sub) - 2;
+                                               ( $sub, $code ) = extract_delimited($code, q{'"}, q{\s*(?:\.\.\s*)?});
+
+                                               if( defined $sub )
+                                               {
+                                                       $res .= substr $sub, 1, length($sub) - 2;
+                                               }
                                        }
                                }
+                               elsif( $code =~ /^(\[=*\[)/ )
+                               {
+                                       my $stag = quotemeta $1;
+                                       my $etag = $stag;
+                                          $etag =~ s/\[/]/g;
+
+                                       ( $res ) = extract_tagged($code, $stag, $etag);
+
+                                       $res =~ s/^$stag//;
+                                       $res =~ s/$etag$//;
+                               }
 
                                $res = dec_lua_str($res);
-                               $stringtable{$res}++;
+                               $stringtable{$res}++ if $res;
                        }