Fix numeric comparisons with undef

[git.ikiwiki.info.git] / IkiWiki / Plugin / recentchangesdiff.pm
diff --git a/IkiWiki/Plugin/recentchangesdiff.pm b/IkiWiki/Plugin/recentchangesdiff.pm

index 3942f308b05a86b5d4e7f0524fd756534a492391..eb358be67bef0e8a87146846857d5bc24cfdc396 100644 (file)
--- a/IkiWiki/Plugin/recentchangesdiff.pm
+++ b/IkiWiki/Plugin/recentchangesdiff.pm
@@ -3,36 +3,78 @@ package IkiWiki::Plugin::recentchangesdiff;
  
  use warnings;
  use strict;
  
  use warnings;
  use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
+use HTML::Entities;
  
  my $maxlines=200;
  
  
  my $maxlines=200;
  
-sub import { #{{{
+sub import {
+       add_underlay("javascript");
+       hook(type => "getsetup", id => "recentchangesdiff",
+               call => \&getsetup);
         hook(type => "pagetemplate", id => "recentchangesdiff",
                 call => \&pagetemplate);
         hook(type => "pagetemplate", id => "recentchangesdiff",
                 call => \&pagetemplate);
-} #}}}
+       hook(type => "format", id => "recentchangesdiff.pm", call => \&format);
+}
  
  
-sub pagetemplate (@) { #{{{
+sub getsetup () {
+       return 
+               plugin => {
+                       safe => 1,
+                       rebuild => 1,
+               },
+}
+
+sub pagetemplate (@) {
         my %params=@_;
         my $template=$params{template};
         if ($config{rcs} && exists $params{rev} && length $params{rev} &&
             $template->query(name => "diff")) {
         my %params=@_;
         my $template=$params{template};
         if ($config{rcs} && exists $params{rev} && length $params{rev} &&
             $template->query(name => "diff")) {
-               my @lines=IkiWiki::rcs_diff($params{rev});
+               my @lines=IkiWiki::rcs_diff($params{rev}, $maxlines+1);
                 if (@lines) {
                         my $diff;
                 if (@lines) {
                         my $diff;
+                       my $trunc=0;
                         if (@lines > $maxlines) {
                         if (@lines > $maxlines) {
-                               # only include so many lines of diff
-                               $diff=join("", @lines[0..($maxlines-1)])."\n".
-                                       gettext("(Diff truncated)");
+                               $diff=join("", @lines[0..($maxlines-1)]);
+                               $trunc=1;
                         }
                         else {
                                 $diff=join("", @lines);
                         }
                         }
                         else {
                                 $diff=join("", @lines);
                         }
+                       if (length $diff > 102400) {
+                               $diff=substr($diff, 0, 10240);
+                               $trunc=1;
+                       }
+                       if ($trunc) {
+                               $diff.="\n".gettext("(Diff truncated)");
+                       }
+                       # escape html
+                       $diff = encode_entities($diff);
                         # escape links and preprocessor stuff
                         # escape links and preprocessor stuff
-                       $diff =~ s/(?<!\\)\[\[/\\\[\[/g;
+                       $diff = encode_entities($diff, '\[\]');
                         $template->param(diff => $diff);
                 }
         }
                         $template->param(diff => $diff);
                 }
         }
-} #}}}
+}
+
+sub format (@) {
+        my %params=@_;
+
+       if (! ($params{content}=~s!^(<body[^>]*>)!$1.include_javascript($params{page})!em)) {
+               # no <body> tag, probably in preview mode
+               $params{content}=include_javascript(undef).$params{content};
+       }
+       return $params{content};
+}
+
+# taken verbatim from toggle.pm
+sub include_javascript ($) {
+       my $from=shift;
+       
+       return '<script src="'.urlto("ikiwiki/ikiwiki.js", $from).
+               '" type="text/javascript" charset="utf-8"></script>'."\n".
+               '<script src="'.urlto("ikiwiki/toggle.js", $from).
+               '" type="text/javascript" charset="utf-8"></script>';
+}
  
  1
  
  1