* Add a graphviz plugin.

[git.ikiwiki.info.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index a290b479a5756ff6a3c28449c2e174f327b8ac62..52ae60d403dd2aecbe278e439f6165802880f8c9 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -15,7 +15,7 @@ use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
 use Exporter q{import};
 our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
                  bestlink htmllink readfile writefile pagetype srcfile pagename
-                 displaytime will_render gettext
+                 displaytime will_render gettext urlto targetpage
                  %config %links %renderedfiles %pagesources);
 our $VERSION = 1.02; # plugin interface version, next is ikiwiki version
 our $version="1.45";my $installdir="/usr";
@@ -72,6 +72,8 @@ sub defaultconfig () { #{{{
        sslcookie => 0,
        httpauth => 0,
        userdir => "",
+       usedirs => 0,
+       numbacklinks => 10,
 } #}}}
    
 sub checkconfig () { #{{{
@@ -223,10 +225,21 @@ sub pagename ($) { #{{{
        return $page;
 } #}}}
 
-sub htmlpage ($) { #{{{
+sub targetpage ($$) { #{{{
        my $page=shift;
+       my $ext=shift;
+       
+       if (! $config{usedirs} || $page =~ /^index$/ ) {
+               return $page.".".$ext;
+       } else {
+               return $page."/index.".$ext;
+       }
+} #}}}
 
-       return $page.".html";
+sub htmlpage ($) { #{{{
+       my $page=shift;
+       
+       return targetpage($page, "html");
 } #}}}
 
 sub srcfile ($) { #{{{
@@ -395,6 +408,7 @@ sub baseurl (;$) { #{{{
 
        return "$config{url}/" if ! defined $page;
        
+       $page=htmlpage($page);
        $page=~s/[^\/]+$//;
        $page=~s/[^\/]+\//..\//g;
        return $page;
@@ -424,6 +438,32 @@ sub displaytime ($) { #{{{
                        $config{timeformat}, localtime($time)));
 } #}}}
 
+sub beautify_url ($) { #{{{
+       my $url=shift;
+
+       $url =~ s!/index.html$!/!;
+       $url =~ s!^$!./!; # Browsers don't like empty links...
+
+       return $url;
+} #}}}
+
+sub urlto ($$) { #{{{
+       my $to=shift;
+       my $from=shift;
+
+       if (! length $to) {
+               return beautify_url(baseurl($from));
+       }
+
+       if (! grep { $_ eq $to } map { @{$_} } values %renderedfiles) {
+               $to=htmlpage($to);
+       }
+
+       my $link = abs2rel($to, dirname(htmlpage($from)));
+
+       return beautify_url($link);
+} #}}}
+
 sub htmllink ($$$;@) { #{{{
        my $lpage=shift; # the page doing the linking
        my $page=shift; # the page that will contain the link (different for inline)
@@ -463,7 +503,8 @@ sub htmllink ($$$;@) { #{{{
                        "\">?</a>$linktext</span>"
        }
        
-       $bestlink=abs2rel($bestlink, dirname($page));
+       $bestlink=abs2rel($bestlink, dirname(htmlpage($page)));
+       $bestlink=beautify_url($bestlink);
        
        if (! $opts{noimageinline} && isinlinableimage($bestlink)) {
                return "<img src=\"$bestlink\" alt=\"$linktext\" />";
@@ -508,8 +549,14 @@ sub linkify ($$$) { #{{{
 
        $content =~ s{(\\?)$config{wiki_link_regexp}}{
                defined $2
-                       ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, linkpage($3), anchor => $4, linktext => pagetitle($2)))
-                       : ( $1 ? "[[$3]]"    : htmllink($lpage, $page, linkpage($3), anchor => $4))
+                       ? ( $1 
+                               ? "[[$2|$3".($4 ? "#$4" : "")."]]" 
+                               : htmllink($lpage, $page, linkpage($3),
+                                       anchor => $4, linktext => pagetitle($2)))
+                       : ( $1 
+                               ? "[[$3".($4 ? "#$4" : "")."]]"
+                               : htmllink($lpage, $page, linkpage($3),
+                                       anchor => $4))
        }eg;
        
        return $content;
@@ -986,6 +1033,7 @@ sub match_link ($$$) { #{{{
        my $links = $IkiWiki::links{$page} or return undef;
        return 0 unless @$links;
        my $bestlink = IkiWiki::bestlink($from, $link);
+       return 0 unless length $bestlink;
        foreach my $p (@$links) {
                return 1 if $bestlink eq IkiWiki::bestlink($page, $p);
        }