implement typed links; add tagged_is_strict config option

[ikiwiki.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 6e333504e841d4bc7dc1b831188a58520587d7b7..25e9247b2e99d81ad72929dfae8a6cd771e12893 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -14,7 +14,7 @@ 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};
+           %forcerebuild %loaded_plugins %typedlinks %oldtypedlinks};
 
 use Exporter q{import};
 our @EXPORT = qw(hook debug error template htmlpage deptype
@@ -24,7 +24,7 @@ our @EXPORT = qw(hook debug error template htmlpage deptype
                 add_underlay pagetitle titlepage linkpage newpagefile
                 inject add_link
                  %config %links %pagestate %wikistate %renderedfiles
-                 %pagesources %destsources);
+                 %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
@@ -467,6 +467,13 @@ 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,
@@ -1496,7 +1503,7 @@ 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")) {
@@ -1562,6 +1569,14 @@ sub loadindex () {
                        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}}];
        }
@@ -1610,6 +1625,10 @@ sub saveindex () {
                        $index{page}{$src}{depends_simple} = $depends_simple{$page};
                }
 
+               if (exists $typedlinks{$page} && %{$typedlinks{$page}}) {
+                       $index{page}{$src}{typedlinks} = $typedlinks{$page};
+               }
+
                if (exists $pagestate{$page}) {
                        foreach my $id (@hookids) {
                                foreach my $key (keys %{$pagestate{$page}{$id}}) {
@@ -1789,7 +1808,7 @@ sub add_depends ($$;$) {
 
        # Add explicit dependencies for influences.
        my $sub=pagespec_translate($pagespec);
-       return if $@;
+       return unless defined $sub;
        foreach my $p (keys %pagesources) {
                my $r=$sub->($p, location => $page);
                my $i=$r->influences;
@@ -1919,12 +1938,17 @@ 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 pagespec_translate ($) {
@@ -1994,7 +2018,7 @@ 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);
 }
 
@@ -2012,7 +2036,7 @@ sub pagespec_match_list ($$;@) {
 
        my $sub=pagespec_translate($pagespec);
        error "syntax error in pagespec \"$pagespec\""
-               if $@ || ! defined $sub;
+               if ! defined $sub;
 
        my @candidates;
        if (exists $params{list}) {
@@ -2085,8 +2109,7 @@ sub pagespec_match_list ($$;@) {
 sub pagespec_valid ($) {
        my $spec=shift;
 
-       my $sub=pagespec_translate($spec);
-       return ! $@;
+       return defined pagespec_translate($spec);
 }
 
 sub glob2re ($) {
@@ -2206,26 +2229,45 @@ 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("$page has no links", "" => 1)
+       return IkiWiki::FailReason->new("$page has no links", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
                unless $links && @{$links};
        my $bestlink = IkiWiki::bestlink($from, $link);
        foreach my $p (@{$links}) {
                if (length $bestlink) {
-                       return IkiWiki::SuccessReason->new("$page links to $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
-                               if $bestlink eq IkiWiki::bestlink($page, $p);
+                       if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}) && $bestlink eq IkiWiki::bestlink($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", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
-                               if match_glob($p, $link, %params);
+                       if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}) && 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_rel matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
-                               if match_glob($p_rel, $link, %params);
+                       if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p_rel}) && 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 $link", "" => 1);
+       return IkiWiki::FailReason->new("$page does not link to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1);
+}
+
+sub match_typedlink($$;@) {
+       my $page = shift;
+       my $args = shift;
+
+       if ($args =~ /^(\w+)\s+(.*)$/) {
+               return match_link($page, $2, @_, linktype => $1);
+       }
+
+       return IkiWiki::ErrorReason->new("typedlink expects e.g. 'tag *' but got: $args");
 }
 
 sub match_backlink ($$;@) {