]> sipb.mit.edu Git - ikiwiki.git/blobdiff - IkiWiki/Render.pm
switch to > n (currently 10) cycle loop protection since eg tumov's include
[ikiwiki.git] / IkiWiki / Render.pm
index e5a1679f8fbf9df3e91c54cb5f973ac3dca2d414..d7f07c08a1028f7a7353953610daeab7ac236e21 100644 (file)
@@ -8,8 +8,8 @@ use IkiWiki;
 use Encode;
 
 sub linkify ($$$) { #{{{
-       my $lpage=shift;
-       my $page=shift;
+       my $lpage=shift; # the page containing the links
+       my $page=shift; # the page the link will end up on (different for inline)
        my $content=shift;
 
        $content =~ s{(\\?)$config{wiki_link_regexp}}{
@@ -31,11 +31,9 @@ sub htmlize ($$) { #{{{
                error("htmlization of $type not supported");
        }
 
-       if (exists $hooks{sanitize}) {
-               foreach my $id (keys %{$hooks{sanitize}}) {
-                       $content=$hooks{sanitize}{$id}{call}->($content);
-               }
-       }
+       run_hooks(sanitize => sub {
+               $content=shift->($content);
+       });
        
        return $content;
 } #}}}
@@ -58,7 +56,7 @@ sub backlinks ($) { #{{{
                                $p_trimmed=~s/^\Q$dir\E// &&
                                $page_trimmed=~s/^\Q$dir\E//;
                                       
-                       push @links, { url => $href, page => $p_trimmed };
+                       push @links, { url => $href, page => pagetitle($p_trimmed) };
                }
        }
 
@@ -76,7 +74,7 @@ sub parentlinks ($) { #{{{
        foreach my $dir (reverse split("/", $page)) {
                if (! $skip) {
                        $path.="../";
-                       unshift @ret, { url => "$path$dir.html", page => $dir };
+                       unshift @ret, { url => $path.htmlpage($dir), page => pagetitle($dir) };
                }
                else {
                        $skip=0;
@@ -86,10 +84,11 @@ sub parentlinks ($) { #{{{
        return @ret;
 } #}}}
 
-sub preprocess ($$;$) { #{{{
-       my $page=shift;
+my %preprocessing;
+sub preprocess ($$$) { #{{{
+       my $page=shift; # the page the data comes from
+       my $destpage=shift; # the page the data will appear in (different for inline)
        my $content=shift;
-       my $onlystrip=shift || 0; # strip directives without processing
 
        my $handle=sub {
                my $escape=shift;
@@ -98,60 +97,67 @@ sub preprocess ($$;$) { #{{{
                if (length $escape) {
                        return "[[$command $params]]";
                }
-               elsif ($onlystrip) {
-                       return "";
+               elsif ($preprocessing{$page}++ > 10) {
+                       # Avoid loops of preprocessed pages preprocessing
+                       # other pages that preprocess them, etc.
+                       return "[[$command preprocessing loop detected]]";
                }
                elsif (exists $hooks{preprocess}{$command}) {
                        # Note: preserve order of params, some plugins may
                        # consider it significant.
                        my @params;
-                       while ($params =~ /(\w+)=\"?([^"]+)"?(\s+|$)/g) {
-                               push @params, $1, $2;
+                       while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
+                               my $key=$1;
+                               my $val;
+                               if (defined $2) {
+                                       $val=$2;
+                                       $val=~s/\r\n/\n/mg;
+                                       $val=~s/^\n+//g;
+                                       $val=~s/\n+$//g;
+                               }
+                               elsif (defined $3) {
+                                       $val=$3;
+                               }
+                               elsif (defined $4) {
+                                       $val=$4;
+                               }
+
+                               if (defined $key) {
+                                       push @params, $key, $val;
+                               }
+                               else {
+                                       push @params, $val, '';
+                               }
                        }
-                       return $hooks{preprocess}{$command}{call}->(@params, page => $page);
+                       my $ret=$hooks{preprocess}{$command}{call}->(
+                               @params,
+                               page => $page,
+                               destpage => $destpage,
+                       );
+                       $preprocessing{$page}--;
+                       return $ret;
                }
                else {
                        return "[[$command not processed]]";
                }
        };
        
-       $content =~ s{(\\?)$config{wiki_processor_regexp}}{$handle->($1, $2, $3)}eg;
+       $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
        return $content;
 } #}}}
 
 sub add_depends ($$) { #{{{
        my $page=shift;
-       my $globlist=shift;
+       my $pagespec=shift;
        
        if (! exists $depends{$page}) {
-               $depends{$page}=$globlist;
+               $depends{$page}=$pagespec;
        }
        else {
-               $depends{$page}=globlist_merge($depends{$page}, $globlist);
+               $depends{$page}=pagespec_merge($depends{$page}, $pagespec);
        }
 } # }}}
 
-sub globlist_merge ($$) { #{{{
-       my $a=shift;
-       my $b=shift;
-
-       my $ret="";
-       # Only add negated globs if they are not matched by the other globlist.
-       foreach my $i ((map { [ $a, $_ ] } split(" ", $b)), 
-                      (map { [ $b, $_ ] } split(" ", $a))) {
-               if ($i->[1]=~/^!(.*)/) {
-                       if (! globlist_match($1, $i->[0])) {
-                               $ret.=" ".$i->[1];
-                       }
-               }
-               else {
-                       $ret.=" ".$i->[1];
-               }
-       }
-       
-       return $ret;
-} #}}}
-
 sub genpage ($$$) { #{{{
        my $page=shift;
        my $content=shift;
@@ -193,16 +199,20 @@ sub genpage ($$$) { #{{{
                content => $content,
                backlinks => [backlinks($page)],
                mtime => displaytime($mtime),
-               styleurl => styleurl($page),
+               baseurl => baseurl($page),
        );
 
-       if (exists $hooks{pagetemplate}) {
-               foreach my $id (keys %{$hooks{pagetemplate}}) {
-                       $hooks{pagetemplate}{$id}{call}->($page, $template);
-               }
-       }
+       run_hooks(pagetemplate => sub {
+               shift->(page => $page, destpage => $page, template => $template);
+       });
        
-       return $template->output;
+       $content=$template->output;
+
+       run_hooks(format => sub {
+               $content=shift->($content);
+       });
+
+       return $content;
 } #}}}
 
 sub check_overwrite ($$) { #{{{
@@ -254,14 +264,9 @@ sub filter ($$) {
        my $page=shift;
        my $content=shift;
 
-       if (exists $hooks{filter}) {
-               foreach my $id (keys %{$hooks{filter}}) {
-                       $content=$hooks{filter}{$id}{call}->(
-                               page => $page,
-                               content => $content
-                       );
-               }
-       }
+       run_hooks(filter => sub {
+               $content=shift->(page => $page, content => $content);
+       });
 
        return $content;
 }
@@ -280,8 +285,8 @@ sub render ($) { #{{{
                
                $links{$page}=[findlinks($page, $content)];
                
+               $content=preprocess($page, $page, $content);
                $content=linkify($page, $page, $content);
-               $content=preprocess($page, $content);
                $content=htmlize($type, $content);
                
                check_overwrite("$config{destdir}/".htmlpage($page), $page);
@@ -372,6 +377,7 @@ sub refresh () { #{{{
                        debug("new page $page") unless exists $pagectime{$page};
                        push @add, $file;
                        $links{$page}=[];
+                       $pagecase{lc $page}=$page;
                        $pagesources{$page}=$file;
                        if ($config{getctime} && -e "$config{srcdir}/$file") {
                                $pagectime{$page}=rcs_getctime("$config{srcdir}/$file");
@@ -398,7 +404,8 @@ sub refresh () { #{{{
                my $page=pagename($file);
                
                if (! exists $oldpagemtime{$page} ||
-                   mtime(srcfile($file)) > $oldpagemtime{$page}) {
+                   mtime(srcfile($file)) > $oldpagemtime{$page} ||
+                   $forcerebuild{$page}) {
                        debug("rendering $file");
                        render($file);
                        $rendered{$file}=1;
@@ -439,7 +446,7 @@ FILE:               foreach my $file (@files) {
                                foreach my $file (keys %rendered, @del) {
                                        next if $f eq $file;
                                        my $page=pagename($file);
-                                       if (globlist_match($page, $depends{$p})) {
+                                       if (pagespec_match($page, $depends{$p})) {
                                                debug("rendering $f, which depends on $page");
                                                render($f);
                                                $rendered{$f}=1;
@@ -482,15 +489,11 @@ FILE:             foreach my $file (@files) {
                }
        }
 
-       if (@del && exists $hooks{delete}) {
-               foreach my $id (keys %{$hooks{delete}}) {
-                       $hooks{delete}{$id}{call}->(@del);
-               }
+       if (@del) {
+               run_hooks(delete => sub { shift->(@del) });
        }
-       if (%rendered && exists $hooks{change}) {
-               foreach my $id (keys %{$hooks{change}}) {
-                       $hooks{change}{$id}{call}->(keys %rendered);
-               }
+       if (%rendered) {
+               run_hooks(change => sub { shift->(keys %rendered) });
        }
 } #}}}