gitweb: Do not use esc_html in esc_path

Do not use esc_html in esc_path subroutine to avoid double quoting;
expand esc_html body (except quoting) in esc_path.

Move esc_path before quot_cec and quot_upr. Add some comments.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 6ae7e80351d597d21f474e72083c83b93ea45bbf..38c94372f53b2ea082ecb5fc6f0865b785a54e8a 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -585,7 +585,21 @@ sub esc_html ($;%) {
        return $str;
 }
 
-# Make control characterss "printable".
+# quote control characters and escape filename to HTML
+sub esc_path {
+       my $str = shift;
+       my %opts = @_;
+
+       $str = to_utf8($str);
+       $str = escapeHTML($str);
+       if ($opts{'-nbsp'}) {
+               $str =~ s/ / /g;
+       }
+       $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
+       return $str;
+}
+
+# Make control characters "printable", using character escape codes (CEC)
 sub quot_cec {
        my $cntrl = shift;
        my %es = ( # character escape codes, aka escape sequences
@@ -605,22 +619,14 @@ sub quot_cec {
        return "<span class=\"cntrl\">$chr</span>";
 }
 
-# Alternatively use unicode control pictures codepoints.
+# Alternatively use unicode control pictures codepoints,
+# Unicode "printable representation" (PR)
 sub quot_upr {
        my $cntrl = shift;
        my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
        return "<span class=\"cntrl\">$chr</span>";
 }
 
-# quote control characters and escape filename to HTML
-sub esc_path {
-       my $str = shift;
-
-       $str = esc_html($str);
-       $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
-       return $str;
-}
-
 # git may return quoted and escaped filenames
 sub unquote {
        my $str = shift;