]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki.pm
Merge remote branch 'upstream/master' into prv/po
[git.ikiwiki.info.git] / IkiWiki.pm
index 85d8eea68419cb350e530c322958796186e05b1f..0457a6c611902c2ec3cfc326753596c8ec276f6f 100644 (file)
@@ -5,34 +5,40 @@ package IkiWiki;
 use warnings;
 use strict;
 use Encode;
-use HTML::Entities;
 use URI::Escape q{uri_escape_utf8};
-use POSIX;
+use POSIX ();
 use Storable;
 use open qw{:utf8 :std};
 
 use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
-           %pagestate %wikistate %renderedfiles %oldrenderedfiles
-           %pagesources %destsources %depends %depends_simple %hooks
-           %forcerebuild %loaded_plugins};
+       %pagestate %wikistate %renderedfiles %oldrenderedfiles
+       %pagesources %delpagesources %destsources %depends %depends_simple
+       @mass_depends %hooks %forcerebuild %loaded_plugins %typedlinks
+       %oldtypedlinks %autofiles};
 
 use Exporter q{import};
-our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
-                 pagespec_match_list bestlink htmllink readfile writefile
-                pagetype srcfile pagename displaytime will_render gettext urlto
-                targetpage add_underlay pagetitle titlepage linkpage
-                newpagefile inject add_link
-                 %config %links %pagestate %wikistate %renderedfiles
-                 %pagesources %destsources);
+our @EXPORT = qw(hook debug error htmlpage template template_depends
+       deptype add_depends pagespec_match pagespec_match_list bestlink
+       htmllink readfile writefile pagetype srcfile pagename
+       displaytime will_render gettext ngettext urlto targetpage
+       add_underlay pagetitle titlepage linkpage newpagefile
+       inject add_link add_autofile
+       %config %links %pagestate %wikistate %renderedfiles
+       %pagesources %destsources %typedlinks);
 our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
 our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
 our $installdir='/usr'; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
 
+# Page dependency types.
+our $DEPEND_CONTENT=1;
+our $DEPEND_PRESENCE=2;
+our $DEPEND_LINKS=4;
+
 # Optimisation.
 use Memoize;
 memoize("abs2rel");
+memoize("sortspec_translate");
 memoize("pagespec_translate");
-memoize("file_pruned");
 memoize("template_file");
 
 sub getsetup () {
@@ -145,18 +151,11 @@ sub getsetup () {
        templatedir => {
                type => "string",
                default => "$installdir/share/ikiwiki/templates",
-               description => "location of template files",
+               description => "additional directory to search for template files",
                advanced => 1,
                safe => 0, # path
                rebuild => 1,
        },
-       templatedirs => {
-               type => "internal",
-               default => [],
-               description => "additional directories containing template files",
-               safe => 0,
-               rebuild => 0,
-       },
        underlaydir => {
                type => "string",
                default => "$installdir/share/ikiwiki/basewiki",
@@ -235,6 +234,14 @@ sub getsetup () {
                safe => 1,
                rebuild => 1,
        },
+       html5 => {
+               type => "boolean",
+               default => 0,
+               description => "generate HTML5? (experimental)",
+               advanced => 1,
+               safe => 1,
+               rebuild => 1,
+       },
        sslcookie => {
                type => "boolean",
                default => 0,
@@ -329,18 +336,27 @@ sub getsetup () {
                safe => 0, # paranoia
                rebuild => 0,
        },
+       include => {
+               type => "string",
+               default => undef,
+               example => '^\.htaccess$',
+               description => "regexp of normally excluded files to include",
+               advanced => 1,
+               safe => 0, # regexp
+               rebuild => 1,
+       },
        exclude => {
                type => "string",
                default => undef,
-               example => '\.wav$',
-               description => "regexp of source files to ignore",
+               example => '^(*\.private|Makefile)$',
+               description => "regexp of files that should be skipped",
                advanced => 1,
                safe => 0, # regexp
                rebuild => 1,
        },
        wiki_file_prune_regexps => {
                type => "internal",
-               default => [qr/(^|\/)\.\.(\/|$)/, qr/^\./, qr/\/\./,
+               default => [qr/(^|\/)\.\.(\/|$)/, qr/^\//, qr/^\./, qr/\/\./,
                        qr/\.x?html?$/, qr/\.ikiwiki-new$/,
                        qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//,
                        qr/(^|\/)_MTN\//, qr/(^|\/)_darcs\//,
@@ -404,6 +420,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
+       clean => {
+               type => "internal",
+               default => 0,
+               description => "running in clean mode",
+               safe => 0,
+               rebuild => 0,
+       },
        refresh => {
                type => "internal",
                default => 0,
@@ -418,10 +441,9 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
-       getctime => {
+       gettime => {
                type => "internal",
-               default => 0,
-               description => "running in getctime mode",
+               description => "running in gettime mode",
                safe => 0,
                rebuild => 0,
        },
@@ -446,6 +468,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
+       setuptype => {
+               type => "internal",
+               default => "Standard",
+               description => "perl class to use to dump setup file",
+               safe => 0,
+               rebuild => 0,
+       },
        allow_symlinks_before_srcdir => {
                type => "boolean",
                default => 0,
@@ -544,12 +573,12 @@ sub loadplugins () {
        }
        
        if ($config{rcs}) {
-               if (exists $IkiWiki::hooks{rcs}) {
+               if (exists $hooks{rcs}) {
                        error(gettext("cannot use multiple rcs plugins"));
                }
                loadplugin($config{rcs});
        }
-       if (! exists $IkiWiki::hooks{rcs}) {
+       if (! exists $hooks{rcs}) {
                loadplugin("norcs");
        }
 
@@ -563,10 +592,11 @@ sub loadplugins () {
        return 1;
 }
 
-sub loadplugin ($) {
+sub loadplugin ($;$) {
        my $plugin=shift;
+       my $force=shift;
 
-       return if grep { $_ eq $plugin} @{$config{disable_plugins}};
+       return if ! $force && grep { $_ eq $plugin} @{$config{disable_plugins}};
 
        foreach my $dir (defined $config{libdir} ? possibly_foolish_untaint($config{libdir}) : undef,
                         "$installdir/lib/ikiwiki") {
@@ -876,7 +906,7 @@ sub bestlink ($$) {
                $l.="/" if length $l;
                $l.=$link;
 
-               if (exists $links{$l}) {
+               if (exists $pagesources{$l}) {
                        return $l;
                }
                elsif (exists $pagecase{lc $l}) {
@@ -886,7 +916,7 @@ sub bestlink ($$) {
 
        if (length $config{userdir}) {
                my $l = "$config{userdir}/".lc($link);
-               if (exists $links{$l}) {
+               if (exists $pagesources{$l}) {
                        return $l;
                }
                elsif (exists $pagecase{lc $l}) {
@@ -936,7 +966,12 @@ sub linkpage ($) {
 sub cgiurl (@) {
        my %params=@_;
 
-       return $config{cgiurl}."?".
+       my $cgiurl=$config{cgiurl};
+       if (exists $params{cgiurl}) {
+               $cgiurl=$params{cgiurl};
+               delete $params{cgiurl};
+       }
+       return $cgiurl."?".
                join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
 }
 
@@ -964,10 +999,18 @@ sub abs2rel ($$) {
        return $ret;
 }
 
-sub displaytime ($;$) {
+sub displaytime ($;$$) {
        # Plugins can override this function to mark up the time to
        # display.
-       return '<span class="date">'.formattime(@_).'</span>';
+       my $time=formattime($_[0], $_[1]);
+       if ($config{html5}) {
+               return '<time datetime="'.date_3339($_[0]).'"'.
+                       ($_[2] ? ' pubdate="pubdate"' : '').
+                       '>'.$time.'</time>';
+       }
+       else {
+               return '<span class="date">'.$time.'</span>';
+       }
 }
 
 sub formattime ($;$) {
@@ -983,6 +1026,16 @@ sub formattime ($;$) {
        return decode_utf8(POSIX::strftime($format, localtime($time)));
 }
 
+sub date_3339 ($) {
+       my $time=shift;
+
+       my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
+       POSIX::setlocale(&POSIX::LC_TIME, "C");
+       my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
+       POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
+       return $ret;
+}
+
 sub beautify_urlpath ($) {
        my $url=shift;
 
@@ -1021,6 +1074,13 @@ sub urlto ($$;$) {
        return beautify_urlpath($link);
 }
 
+sub isselflink ($$) {
+       my $page=shift;
+       my $link=shift;
+
+        return $page eq $link;
+}
+
 sub htmllink ($$$;@) {
        my $lpage=shift; # the page doing the linking
        my $page=shift; # the page that will contain the link (different for inline)
@@ -1046,21 +1106,23 @@ sub htmllink ($$$;@) {
        }
        
        return "<span class=\"selflink\">$linktext</span>"
-               if length $bestlink && $page eq $bestlink &&
+               if length $bestlink && isselflink($page, $bestlink) &&
                   ! defined $opts{anchor};
        
        if (! $destsources{$bestlink}) {
                $bestlink=htmlpage($bestlink);
 
                if (! $destsources{$bestlink}) {
-                       return $linktext unless length $config{cgiurl};
-                       return "<span class=\"createlink\"><a href=\"".
-                               cgiurl(
-                                       do => "create",
-                                       page => lc($link),
-                                       from => $lpage
-                               ).
-                               "\" rel=\"nofollow\">?</a>$linktext</span>"
+                       my $cgilink = "";
+                       if (length $config{cgiurl}) {
+                               $cgilink = "<a href=\"".
+                                       cgiurl(
+                                               do => "create",
+                                               page => lc($link),
+                                               from => $lpage
+                                       )."\" rel=\"nofollow\">?</a>";
+                       }
+                       return "<span class=\"createlink\">$cgilink$linktext</span>"
                }
        }
        
@@ -1076,16 +1138,20 @@ sub htmllink ($$$;@) {
        }
 
        my @attrs;
-       if (defined $opts{rel}) {
-               push @attrs, ' rel="'.$opts{rel}.'"';
-       }
-       if (defined $opts{class}) {
-               push @attrs, ' class="'.$opts{class}.'"';
+       foreach my $attr (qw{rel class title}) {
+               if (defined $opts{$attr}) {
+                       push @attrs, " $attr=\"$opts{$attr}\"";
+               }
        }
 
        return "<a href=\"$bestlink\"@attrs>$linktext</a>";
 }
 
+sub userpage ($) {
+       my $user=shift;
+       return length $config{userdir} ? "$config{userdir}/$user" : $user;
+}
+
 sub openiduser ($) {
        my $user=shift;
 
@@ -1094,11 +1160,10 @@ sub openiduser ($) {
                my $display;
 
                if (Net::OpenID::VerifiedIdentity->can("DisplayOfURL")) {
-                       # this works in at least 2.x
                        $display = Net::OpenID::VerifiedIdentity::DisplayOfURL($user);
                }
                else {
-                       # this only works in 1.x
+                       # backcompat with old version
                        my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
                        $display=$oid->display;
                }
@@ -1111,7 +1176,7 @@ sub openiduser ($) {
                # Convert "http://somehost.com/user" to "user [somehost.com]".
                # (also "https://somehost.com/user/")
                if ($display !~ /\[/) {
-                       $display=~s/^https?:\/\/(.+)\/([^\/]+)\/?$/$2 [$1]/;
+                       $display=~s/^https?:\/\/(.+)\/([^\/#?]+)\/?(?:[#?].*)?$/$2 [$1]/;
                }
                $display=~s!^https?://!!; # make sure this is removed
                eval q{use CGI 'escapeHTML'};
@@ -1121,23 +1186,6 @@ sub openiduser ($) {
        return;
 }
 
-sub userlink ($) {
-       my $user=shift;
-
-       my $oiduser=eval { openiduser($user) };
-       if (defined $oiduser) {
-               return "<a href=\"$user\">$oiduser</a>";
-       }
-       else {
-               eval q{use CGI 'escapeHTML'};
-               error($@) if $@;
-
-               return htmllink("", "", escapeHTML(
-                       length $config{userdir} ? $config{userdir}."/".$user : $user
-               ), noimageinline => 1);
-       }
-}
-
 sub htmlize ($$$$) {
        my $page=shift;
        my $destpage=shift;
@@ -1145,7 +1193,7 @@ sub htmlize ($$$$) {
        my $content=shift;
        
        my $oneline = $content !~ /\n/;
-
+       
        if (exists $hooks{htmlize}{$type}) {
                $content=$hooks{htmlize}{$type}{call}->(
                        page => $page,
@@ -1166,10 +1214,9 @@ sub htmlize ($$$$) {
        
        if ($oneline) {
                # hack to get rid of enclosing junk added by markdown
-               # and other htmlizers
+               # and other htmlizers/sanitizers
                $content=~s/^<p>//i;
-               $content=~s/<\/p>$//i;
-               chomp $content;
+               $content=~s/<\/p>\n*$//i;
        }
 
        return $content;
@@ -1224,7 +1271,7 @@ sub preprocess ($$$;$$) {
                                (?:
                                        """(.*?)"""     # 2: triple-quoted value
                                |
-                                       "([^"]+)"       # 3: single-quoted value
+                                       "([^"]*?)"      # 3: single-quoted value
                                |
                                        (\S+)           # 4: unquoted value
                                )
@@ -1310,7 +1357,7 @@ sub preprocess ($$$;$$) {
                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
-                                               "[^"]+"         # single-quoted value
+                                               "[^"]*?"        # single-quoted value
                                                |
                                                [^"\s\]]+       # unquoted value
                                        )
@@ -1333,7 +1380,7 @@ sub preprocess ($$$;$$) {
                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
-                                               "[^"]+"         # single-quoted value
+                                               "[^"]*?"        # single-quoted value
                                                |
                                                [^"\s\]]+       # unquoted value
                                        )
@@ -1362,10 +1409,6 @@ sub filter ($$$) {
        return $content;
 }
 
-sub indexlink () {
-       return "<a href=\"$config{url}\">$config{wikiname}</a>";
-}
-
 sub check_canedit ($$$;$) {
        my $page=shift;
        my $q=shift;
@@ -1403,7 +1446,7 @@ sub check_content (@) {
                my %old=map { $_ => 1 }
                        split("\n", readfile(srcfile($pagesources{$params{page}})));
                foreach my $line (split("\n", $params{content})) {
-                       push @diff, $line if ! exists $old{$_};
+                       push @diff, $line if ! exists $old{$line};
                }
                $params{diff}=join("\n", @diff);
        }
@@ -1484,7 +1527,7 @@ sub loadindex () {
        if (! $config{rebuild}) {
                %pagesources=%pagemtime=%oldlinks=%links=%depends=
                %destsources=%renderedfiles=%pagecase=%pagestate=
-               %depends_simple=();
+               %depends_simple=%typedlinks=%oldtypedlinks=();
        }
        my $in;
        if (! open ($in, "<", "$config{wikistatedir}/indexdb")) {
@@ -1493,6 +1536,7 @@ sub loadindex () {
                        open ($in, "<", "$config{wikistatedir}/indexdb") || return;
                }
                else {
+                       $config{gettime}=1; # first build
                        return;
                }
        }
@@ -1516,30 +1560,48 @@ sub loadindex () {
                my $d=$pages->{$src};
                my $page=pagename($src);
                $pagectime{$page}=$d->{ctime};
+               $pagesources{$page}=$src;
                if (! $config{rebuild}) {
-                       $pagesources{$page}=$src;
                        $pagemtime{$page}=$d->{mtime};
                        $renderedfiles{$page}=$d->{dest};
                        if (exists $d->{links} && ref $d->{links}) {
                                $links{$page}=$d->{links};
                                $oldlinks{$page}=[@{$d->{links}}];
                        }
-                       if (exists $d->{depends_simple}) {
+                       if (ref $d->{depends_simple} eq 'ARRAY') {
+                               # old format
                                $depends_simple{$page}={
                                        map { $_ => 1 } @{$d->{depends_simple}}
                                };
                        }
+                       elsif (exists $d->{depends_simple}) {
+                               $depends_simple{$page}=$d->{depends_simple};
+                       }
                        if (exists $d->{dependslist}) {
+                               # old format
                                $depends{$page}={
-                                       map { $_ => 1 } @{$d->{dependslist}}
+                                       map { $_ => $DEPEND_CONTENT }
+                                               @{$d->{dependslist}}
                                };
                        }
+                       elsif (exists $d->{depends} && ! ref $d->{depends}) {
+                               # old format
+                               $depends{$page}={$d->{depends} => $DEPEND_CONTENT };
+                       }
                        elsif (exists $d->{depends}) {
-                               $depends{$page}={$d->{depends} => 1};
+                               $depends{$page}=$d->{depends};
                        }
                        if (exists $d->{state}) {
                                $pagestate{$page}=$d->{state};
                        }
+                       if (exists $d->{typedlinks}) {
+                               $typedlinks{$page}=$d->{typedlinks};
+
+                               while (my ($type, $links) = each %{$typedlinks{$page}}) {
+                                       next unless %$links;
+                                       $oldtypedlinks{$page}{$type} = {%$links};
+                               }
+                       }
                }
                $oldrenderedfiles{$page}=[@{$d->{dest}}];
        }
@@ -1581,11 +1643,15 @@ sub saveindex () {
                };
 
                if (exists $depends{$page}) {
-                       $index{page}{$src}{dependslist} = [ keys %{$depends{$page}} ];
+                       $index{page}{$src}{depends} = $depends{$page};
                }
 
                if (exists $depends_simple{$page}) {
-                       $index{page}{$src}{depends_simple} = [ keys %{$depends_simple{$page}} ];
+                       $index{page}{$src}{depends_simple} = $depends_simple{$page};
+               }
+
+               if (exists $typedlinks{$page} && %{$typedlinks{$page}}) {
+                       $index{page}{$src}{typedlinks} = $typedlinks{$page};
                }
 
                if (exists $pagestate{$page}) {
@@ -1615,60 +1681,124 @@ sub saveindex () {
 }
 
 sub template_file ($) {
-       my $template=shift;
+       my $name=shift;
+       
+       my $tpage=($name =~ s/^\///) ? $name : "templates/$name";
+       if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {
+               $tpage=$pagesources{$tpage};
+               $name.=".tmpl";
+       }
 
-       foreach my $dir ($config{templatedir}, @{$config{templatedirs}},
-                        "$installdir/share/ikiwiki/templates") {
-               return "$dir/$template" if -e "$dir/$template";
+       my $template=srcfile($tpage, 1);
+       if (defined $template) {
+               return $template, $tpage, 1 if wantarray;
+               return $template;
+       }
+       else {
+               $name=~s:/::; # avoid path traversal
+               foreach my $dir ($config{templatedir},
+                                "$installdir/share/ikiwiki/templates") {
+                       if (-e "$dir/$name") {
+                               $template="$dir/$name";
+                               last;
+                       }
+               }
+               if (defined $template) {        
+                       return $template, $tpage if wantarray;
+                       return $template;
+               }
        }
+
        return;
 }
 
-sub template_params (@) {
-       my $filename=template_file(shift);
-
-       if (! defined $filename) {
-               return if wantarray;
-               return "";
+sub template_depends ($$;@) {
+       my $name=shift;
+       my $page=shift;
+       
+       my ($filename, $tpage, $untrusted)=template_file($name);
+       if (defined $page && defined $tpage) {
+               add_depends($page, $tpage);
        }
 
-       my @ret=(
+       return unless defined $filename;
+
+       my @opts=(
                filter => sub {
                        my $text_ref = shift;
                        ${$text_ref} = decode_utf8(${$text_ref});
                },
-               filename => $filename,
                loop_context_vars => 1,
                die_on_bad_params => 0,
-               @_
+               filename => $filename,
+               @_,
+               ($untrusted ? (no_includes => 1) : ()),
        );
-       return wantarray ? @ret : {@ret};
+       return @opts if wantarray;
+
+       require HTML::Template;
+       return HTML::Template->new(@opts);
 }
 
 sub template ($;@) {
-       require HTML::Template;
-       return HTML::Template->new(template_params(@_));
+       template_depends(shift, undef, @_);
 }
 
 sub misctemplate ($$;@) {
        my $title=shift;
-       my $pagebody=shift;
+       my $content=shift;
+       my %params=@_;
        
-       my $template=template("misc.tmpl");
+       my $template=template("page.tmpl");
+
+       my $page="";
+       if (exists $params{page}) {
+               $page=delete $params{page};
+       }
+       run_hooks(pagetemplate => sub {
+               shift->(
+                       page => $page,
+                       destpage => $page,
+                       template => $template,
+               );
+       });
+       templateactions($template, "");
+
        $template->param(
+               dynamic => 1,
                title => $title,
-               indexlink => indexlink(),
                wikiname => $config{wikiname},
-               pagebody => $pagebody,
+               content => $content,
                baseurl => baseurl(),
-               @_,
+               html5 => $config{html5},
+               %params,
        );
-       run_hooks(pagetemplate => sub {
-               shift->(page => "", destpage => "", template => $template);
-       });
+       
        return $template->output;
 }
 
+sub templateactions ($$) {
+       my $template=shift;
+       my $page=shift;
+
+       my $have_actions=0;
+       my @actions;
+       run_hooks(pageactions => sub {
+               push @actions, map { { action => $_ } } 
+                       grep { defined } shift->(page => $page);
+       });
+       $template->param(actions => \@actions);
+
+       if ($config{cgiurl} && exists $hooks{auth}) {
+               $template->param(prefsurl => cgiurl(do => "prefs"));
+               $have_actions=1;
+       }
+
+       if ($have_actions || @actions) {
+               $template->param(have_actions => 1);
+       }
+}
+
 sub hook (@) {
        my %param=@_;
        
@@ -1717,11 +1847,11 @@ sub rcs_prepedit ($) {
        $hooks{rcs}{rcs_prepedit}{call}->(@_);
 }
 
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
        $hooks{rcs}{rcs_commit}{call}->(@_);
 }
 
-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {
        $hooks{rcs}{rcs_commit_staged}{call}->(@_);
 }
 
@@ -1749,61 +1879,110 @@ sub rcs_getctime ($) {
        $hooks{rcs}{rcs_getctime}{call}->(@_);
 }
 
+sub rcs_getmtime ($) {
+       $hooks{rcs}{rcs_getmtime}{call}->(@_);
+}
+
 sub rcs_receive () {
        $hooks{rcs}{rcs_receive}{call}->();
 }
 
-sub add_depends ($$) {
+sub add_depends ($$;$) {
        my $page=shift;
        my $pagespec=shift;
+       my $deptype=shift || $DEPEND_CONTENT;
 
+       # Is the pagespec a simple page name?
        if ($pagespec =~ /$config{wiki_file_regexp}/ &&
-               $pagespec !~ /[\s*?()!]/) {
-               # a simple dependency, which can be matched by string eq
-               $depends_simple{$page}{lc $pagespec} = 1;
+           $pagespec !~ /[\s*?()!]/) {
+               $depends_simple{$page}{lc $pagespec} |= $deptype;
                return 1;
        }
 
-       return unless pagespec_valid($pagespec);
+       # Add explicit dependencies for influences.
+       my $sub=pagespec_translate($pagespec);
+       return unless defined $sub;
+       foreach my $p (keys %pagesources) {
+               my $r=$sub->($p, location => $page);
+               my $i=$r->influences;
+               my $static=$r->influences_static;
+               foreach my $k (keys %$i) {
+                       next unless $r || $static || $k eq $page;
+                       $depends_simple{$page}{lc $k} |= $i->{$k};
+               }
+               last if $static;
+       }
 
-       $depends{$page}{$pagespec} = 1;
+       $depends{$page}{$pagespec} |= $deptype;
        return 1;
 }
 
-sub file_pruned ($$) {
-       require File::Spec;
-       my $file=File::Spec->canonpath(shift);
-       my $base=File::Spec->canonpath(shift);
-       $file =~ s#^\Q$base\E/+##;
+sub deptype (@) {
+       my $deptype=0;
+       foreach my $type (@_) {
+               if ($type eq 'presence') {
+                       $deptype |= $DEPEND_PRESENCE;
+               }
+               elsif ($type eq 'links') { 
+                       $deptype |= $DEPEND_LINKS;
+               }
+               elsif ($type eq 'content') {
+                       $deptype |= $DEPEND_CONTENT;
+               }
+       }
+       return $deptype;
+}
+
+my $file_prune_regexp;
+sub file_pruned ($) {
+       my $file=shift;
+
+       if (defined $config{include} && length $config{include}) {
+               return 0 if $file =~ m/$config{include}/;
+       }
 
-       my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
-       return $file =~ m/$regexp/ && $file ne $base;
+       if (! defined $file_prune_regexp) {
+               $file_prune_regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
+               $file_prune_regexp=qr/$file_prune_regexp/;
+       }
+       return $file =~ m/$file_prune_regexp/;
 }
 
 sub define_gettext () {
        # If translation is needed, redefine the gettext function to do it.
        # Otherwise, it becomes a quick no-op.
-       no warnings 'redefine';
+       my $gettext_obj;
+       my $getobj;
        if ((exists $ENV{LANG} && length $ENV{LANG}) ||
            (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) ||
            (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) {
-               *gettext=sub {
-                       my $gettext_obj=eval q{
+               $getobj=sub {
+                       $gettext_obj=eval q{
                                use Locale::gettext q{textdomain};
                                Locale::gettext->domain('ikiwiki')
                        };
-
-                       if ($gettext_obj) {
-                               $gettext_obj->get(shift);
-                       }
-                       else {
-                               return shift;
-                       }
                };
        }
-       else {
-               *gettext=sub { return shift };
-       }
+
+       no warnings 'redefine';
+       *gettext=sub {
+               $getobj->() if $getobj;
+               if ($gettext_obj) {
+                       $gettext_obj->get(shift);
+               }
+               else {
+                       return shift;
+               }
+       };
+       *ngettext=sub {
+               $getobj->() if $getobj;
+               if ($gettext_obj) {
+                       $gettext_obj->nget(@_);
+               }
+               else {
+                       return ($_[2] == 1 ? $_[0] : $_[1])
+               }
+       };
 }
 
 sub gettext {
@@ -1811,6 +1990,11 @@ sub gettext {
        gettext(@_);
 }
 
+sub ngettext {
+       define_gettext();
+       ngettext(@_);
+}
+
 sub yesno ($) {
        my $val=shift;
 
@@ -1842,12 +2026,91 @@ sub inject {
        use warnings;
 }
 
-sub add_link ($$) {
+sub add_link ($$;$) {
        my $page=shift;
        my $link=shift;
+       my $type=shift;
 
        push @{$links{$page}}, $link
                unless grep { $_ eq $link } @{$links{$page}};
+
+       if (defined $type) {
+               $typedlinks{$page}{$type}{$link} = 1;
+       }
+}
+
+sub add_autofile ($$$) {
+       my $file=shift;
+       my $plugin=shift;
+       my $generator=shift;
+       
+       $autofiles{$file}{plugin}=$plugin;
+       $autofiles{$file}{generator}=$generator;
+}
+
+sub sortspec_translate ($$) {
+       my $spec = shift;
+       my $reverse = shift;
+
+       my $code = "";
+       my @data;
+       while ($spec =~ m{
+               \s*
+               (-?)            # group 1: perhaps negated
+               \s*
+               (               # group 2: a word
+                       \w+\([^\)]*\)   # command(params)
+                       |
+                       [^\s]+          # or anything else
+               )
+               \s*
+       }gx) {
+               my $negated = $1;
+               my $word = $2;
+               my $params = undef;
+
+               if ($word =~ m/^(\w+)\((.*)\)$/) {
+                       # command with parameters
+                       $params = $2;
+                       $word = $1;
+               }
+               elsif ($word !~ m/^\w+$/) {
+                       error(sprintf(gettext("invalid sort type %s"), $word));
+               }
+
+               if (length $code) {
+                       $code .= " || ";
+               }
+
+               if ($negated) {
+                       $code .= "-";
+               }
+
+               if (exists $IkiWiki::SortSpec::{"cmp_$word"}) {
+                       if (defined $params) {
+                               push @data, $params;
+                               $code .= "IkiWiki::SortSpec::cmp_$word(\$data[$#data])";
+                       }
+                       else {
+                               $code .= "IkiWiki::SortSpec::cmp_$word(undef)";
+                       }
+               }
+               else {
+                       error(sprintf(gettext("unknown sort type %s"), $word));
+               }
+       }
+
+       if (! length $code) {
+               # undefined sorting method... sort arbitrarily
+               return sub { 0 };
+       }
+
+       if ($reverse) {
+               $code="-($code)";
+       }
+
+       no warnings;
+       return eval 'sub { '.$code.' }';
 }
 
 sub pagespec_translate ($) {
@@ -1870,13 +2133,13 @@ sub pagespec_translate ($) {
                        [^\s()]+        # any other text
                )
                \s*             # ignore whitespace
-       }igx) {
+       }gx) {
                my $word=$1;
                if (lc $word eq 'and') {
-                       $code.=' &&';
+                       $code.=' &';
                }
                elsif (lc $word eq 'or') {
-                       $code.=' ||';
+                       $code.=' |';
                }
                elsif ($word eq "(" || $word eq ")" || $word eq "!") {
                        $code.=' '.$word;
@@ -1917,39 +2180,91 @@ sub pagespec_match ($$;@) {
 
        my $sub=pagespec_translate($spec);
        return IkiWiki::ErrorReason->new("syntax error in pagespec \"$spec\"")
-               if $@ || ! defined $sub;
+               if ! defined $sub;
        return $sub->($page, @params);
 }
 
 sub pagespec_match_list ($$;@) {
-       my $pages=shift;
-       my $spec=shift;
-       my @params=@_;
+       my $page=shift;
+       my $pagespec=shift;
+       my %params=@_;
 
-       my $sub=pagespec_translate($spec);
-       error "syntax error in pagespec \"$spec\""
-               if $@ || ! defined $sub;
+       # Backwards compatability with old calling convention.
+       if (ref $page) {
+               print STDERR "warning: a plugin (".caller().") is using pagespec_match_list in an obsolete way, and needs to be updated\n";
+               $params{list}=$page;
+               $page=$params{location}; # ugh!
+       }
+
+       my $sub=pagespec_translate($pagespec);
+       error "syntax error in pagespec \"$pagespec\""
+               if ! defined $sub;
+       my $sort=sortspec_translate($params{sort}, $params{reverse})
+               if defined $params{sort};
+
+       my @candidates;
+       if (exists $params{list}) {
+               @candidates=exists $params{filter}
+                       ? grep { ! $params{filter}->($_) } @{$params{list}}
+                       : @{$params{list}};
+       }
+       else {
+               @candidates=exists $params{filter}
+                       ? grep { ! $params{filter}->($_) } keys %pagesources
+                       : keys %pagesources;
+       }
        
-       my @ret;
-       my $r;
-       foreach my $page (@$pages) {
-               $r=$sub->($page, @params);
-               push @ret, $page if $r;
+       # clear params, remainder is passed to pagespec
+       $depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT);
+       my $num=$params{num};
+       delete @params{qw{num deptype reverse sort filter list}};
+       
+       # when only the top matches will be returned, it's efficient to
+       # sort before matching to pagespec,
+       if (defined $num && defined $sort) {
+               @candidates=IkiWiki::SortSpec::sort_pages(
+                       $sort, @candidates);
+       }
+       
+       my @matches;
+       my $firstfail;
+       my $count=0;
+       my $accum=IkiWiki::SuccessReason->new();
+       foreach my $p (@candidates) {
+               my $r=$sub->($p, %params, location => $page);
+               error(sprintf(gettext("cannot match pages: %s"), $r))
+                       if $r->isa("IkiWiki::ErrorReason");
+               unless ($r || $r->influences_static) {
+                       $r->remove_influence($p);
+               }
+               $accum |= $r;
+               if ($r) {
+                       push @matches, $p;
+                       last if defined $num && ++$count == $num;
+               }
+       }
+
+       # Add simple dependencies for accumulated influences.
+       my $i=$accum->influences;
+       foreach my $k (keys %$i) {
+               $depends_simple{$page}{lc $k} |= $i->{$k};
        }
 
-       if (! @ret && defined $r && $r->isa("IkiWiki::ErrorReason")) {
-               error(sprintf(gettext("cannot match pages: %s"), $r));
+       # when all matches will be returned, it's efficient to
+       # sort after matching
+       if (! defined $num && defined $sort) {
+               return IkiWiki::SortSpec::sort_pages(
+                       $sort, @matches);
        }
        else {
-               return @ret;
+               return @matches;
        }
 }
 
 sub pagespec_valid ($) {
        my $spec=shift;
 
-       my $sub=pagespec_translate($spec);
-       return ! $@;
+       return defined pagespec_translate($spec);
 }
 
 sub glob2re ($) {
@@ -1962,36 +2277,72 @@ sub glob2re ($) {
 package IkiWiki::FailReason;
 
 use overload (
-       '""'    => sub { ${$_[0]} },
+       '""'    => sub { $_[0][0] },
        '0+'    => sub { 0 },
        '!'     => sub { bless $_[0], 'IkiWiki::SuccessReason'},
+       '&'     => sub { $_[0]->merge_influences($_[1], 1); $_[0] },
+       '|'     => sub { $_[1]->merge_influences($_[0]); $_[1] },
        fallback => 1,
 );
 
-sub new {
-       my $class = shift;
-       my $value = shift;
-       return bless \$value, $class;
-}
-
-package IkiWiki::ErrorReason;
-
-our @ISA = 'IkiWiki::FailReason';
+our @ISA = 'IkiWiki::SuccessReason';
 
 package IkiWiki::SuccessReason;
 
 use overload (
-       '""'    => sub { ${$_[0]} },
+       '""'    => sub { $_[0][0] },
        '0+'    => sub { 1 },
        '!'     => sub { bless $_[0], 'IkiWiki::FailReason'},
+       '&'     => sub { $_[1]->merge_influences($_[0], 1); $_[1] },
+       '|'     => sub { $_[0]->merge_influences($_[1]); $_[0] },
        fallback => 1,
 );
 
 sub new {
        my $class = shift;
        my $value = shift;
-       return bless \$value, $class;
-};
+       return bless [$value, {@_}], $class;
+}
+
+sub influences {
+       my $this=shift;
+       $this->[1]={@_} if @_;
+       my %i=%{$this->[1]};
+       delete $i{""};
+       return \%i;
+}
+
+sub influences_static {
+       return ! $_[0][1]->{""};
+}
+
+sub merge_influences {
+       my $this=shift;
+       my $other=shift;
+       my $anded=shift;
+
+       if (! $anded || (($this || %{$this->[1]}) &&
+                        ($other || %{$other->[1]}))) {
+               foreach my $influence (keys %{$other->[1]}) {
+                       $this->[1]{$influence} |= $other->[1]{$influence};
+               }
+       }
+       else {
+               # influence blocker
+               $this->[1]={};
+       }
+}
+
+sub remove_influence {
+       my $this=shift;
+       my $torm=shift;
+
+       delete $this->[1]{$torm};
+}
+
+package IkiWiki::ErrorReason;
+
+our @ISA = 'IkiWiki::FailReason';
 
 package IkiWiki::PageSpec;
 
@@ -2002,7 +2353,7 @@ sub derel ($$) {
        if ($path =~ m!^\./!) {
                $from=~s#/?[^/]+$## if defined $from;
                $path=~s#^\./##;
-               $path="$from/$path" if length $from;
+               $path="$from/$path" if defined $from && length $from;
        }
 
        return $path;
@@ -2030,7 +2381,19 @@ sub match_glob ($$;@) {
 }
 
 sub match_internal ($$;@) {
-       return match_glob($_[0], $_[1], @_, internal => 1)
+       return match_glob(shift, shift, @_, internal => 1)
+}
+
+sub match_page ($$;@) {
+       my $page=shift;
+       my $match=match_glob($page, shift, @_);
+       if ($match && ! (exists $IkiWiki::pagesources{$page}
+           && defined IkiWiki::pagetype($IkiWiki::pagesources{$page}))) {
+               return IkiWiki::FailReason->new("$page is not a page");
+       }
+       else {
+               return $match;
+       }
 }
 
 sub match_link ($$;@) {
@@ -2040,29 +2403,42 @@ sub match_link ($$;@) {
 
        $link=derel($link, $params{location});
        my $from=exists $params{location} ? $params{location} : '';
+       my $linktype=$params{linktype};
+       my $qualifier='';
+       if (defined $linktype) {
+               $qualifier=" with type $linktype";
+       }
 
        my $links = $IkiWiki::links{$page};
-       return IkiWiki::FailReason->new("$page has no links") unless $links && @{$links};
+       return IkiWiki::FailReason->new("$page has no links", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+               unless $links && @{$links};
        my $bestlink = IkiWiki::bestlink($from, $link);
        foreach my $p (@{$links}) {
+               next unless (! defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p});
+
                if (length $bestlink) {
-                       return IkiWiki::SuccessReason->new("$page links to $link")
-                               if $bestlink eq IkiWiki::bestlink($page, $p);
+                       if ($bestlink eq IkiWiki::bestlink($page, $p)) {
+                               return IkiWiki::SuccessReason->new("$page links to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
                }
                else {
-                       return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
-                               if match_glob($p, $link, %params);
-                       $p=~s/^\///;
+                       if (match_glob($p, $link, %params)) {
+                               return IkiWiki::SuccessReason->new("$page links to page $p$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
+                       my ($p_rel)=$p=~/^\/?(.*)/;
                        $link=~s/^\///;
-                       return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
-                               if match_glob($p, $link, %params);
+                       if (match_glob($p_rel, $link, %params)) {
+                               return IkiWiki::SuccessReason->new("$page links to page $p_rel$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
                }
        }
-       return IkiWiki::FailReason->new("$page does not link to $link");
+       return IkiWiki::FailReason->new("$page does not link to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1);
 }
 
 sub match_backlink ($$;@) {
-       return match_link($_[1], $_[0], @_);
+       my $ret=match_link($_[1], $_[0], @_);
+       $ret->influences($_[1] => $IkiWiki::DEPEND_LINKS);
+       return $ret;
 }
 
 sub match_created_before ($$;@) {
@@ -2074,14 +2450,14 @@ sub match_created_before ($$;@) {
 
        if (exists $IkiWiki::pagectime{$testpage}) {
                if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) {
-                       return IkiWiki::SuccessReason->new("$page created before $testpage");
+                       return IkiWiki::SuccessReason->new("$page created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
                }
                else {
-                       return IkiWiki::FailReason->new("$page not created before $testpage");
+                       return IkiWiki::FailReason->new("$page not created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
                }
        }
        else {
-               return IkiWiki::ErrorReason->new("$testpage does not exist");
+               return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE);
        }
 }
 
@@ -2094,19 +2470,19 @@ sub match_created_after ($$;@) {
 
        if (exists $IkiWiki::pagectime{$testpage}) {
                if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) {
-                       return IkiWiki::SuccessReason->new("$page created after $testpage");
+                       return IkiWiki::SuccessReason->new("$page created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
                }
                else {
-                       return IkiWiki::FailReason->new("$page not created after $testpage");
+                       return IkiWiki::FailReason->new("$page not created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
                }
        }
        else {
-               return IkiWiki::ErrorReason->new("$testpage does not exist");
+               return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE);
        }
 }
 
 sub match_creation_day ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[3] == shift) {
                return IkiWiki::SuccessReason->new('creation_day matched');
        }
        else {
@@ -2115,7 +2491,7 @@ sub match_creation_day ($$;@) {
 }
 
 sub match_creation_month ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
                return IkiWiki::SuccessReason->new('creation_month matched');
        }
        else {
@@ -2124,7 +2500,7 @@ sub match_creation_month ($$;@) {
 }
 
 sub match_creation_year ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
                return IkiWiki::SuccessReason->new('creation_year matched');
        }
        else {
@@ -2137,11 +2513,13 @@ sub match_user ($$;@) {
        my $user=shift;
        my %params=@_;
        
+       my $regexp=IkiWiki::glob2re($user);
+       
        if (! exists $params{user}) {
                return IkiWiki::ErrorReason->new("no user specified");
        }
 
-       if (defined $params{user} && lc $params{user} eq lc $user) {
+       if (defined $params{user} && $params{user}=~/^$regexp$/i) {
                return IkiWiki::SuccessReason->new("user is $user");
        }
        elsif (! defined $params{user}) {
@@ -2189,4 +2567,22 @@ sub match_ip ($$;@) {
        }
 }
 
+package IkiWiki::SortSpec;
+
+# This is in the SortSpec namespace so that the $a and $b that sort() uses
+# are easily available in this namespace, for cmp functions to use them.
+sub sort_pages {
+       my $f=shift;
+       sort $f @_
+}
+
+sub cmp_title {
+       IkiWiki::pagetitle(IkiWiki::basename($a))
+       cmp
+       IkiWiki::pagetitle(IkiWiki::basename($b))
+}
+
+sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} }
+sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} }
+
 1