X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/2a0d91af2f8f6ca3142c8f73ea6869e7a914bb30..6c546c8f3182668c6d21d578b789674894f18c39:/IkiWiki/Plugin/conditional.pm

diff --git a/IkiWiki/Plugin/conditional.pm b/IkiWiki/Plugin/conditional.pm
index 22057c135..b450f1a0a 100644
--- a/IkiWiki/Plugin/conditional.pm
+++ b/IkiWiki/Plugin/conditional.pm
@@ -3,45 +3,54 @@ package IkiWiki::Plugin::conditional;
 
 use warnings;
 use strict;
-use IkiWiki;
-use UNIVERSAL;
+use IkiWiki 3.00;
 
-# Globals used to pass information into the PageSpec functions.
-our ($sourcepage, $destpage);
-
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "conditional", call => \&getsetup);
 	hook(type => "preprocess", id => "if", call => \&preprocess_if);
-} # }}}
+}
+
+sub getsetup {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+			section => "widget",
+		},
+}
 
-sub preprocess_if (@) { #{{{
+sub preprocess_if (@) {
 	my %params=@_;
 
-	if (! exists $params{test} || ! exists $params{then}) {
-		return "[[if ".gettext('"test" and "then" parameters are required')."]]";
+	foreach my $param (qw{test then}) {
+		if (! exists $params{$param}) {
+			error sprintf(gettext('%s parameter is required'), $param);
+		}
 	}
 
 	my $result=0;
-	$sourcepage=$params{page};
-	$destpage=$params{destpage};
-	# An optimisation to avoid needless looping over every page
-	# and adding of dependencies for simple uses of some of the
-	# tests.
-	if ($params{test} =~ /^(enabled|sourcepage|destpage)\((.*)\)$/) {
-		$result=eval "IkiWiki::PageSpec::match_$1(undef, ".
-			IkiWiki::safequote($2).", \$params{page})";
+	if ((exists $params{all} && ! IkiWiki::yesno($params{all})) ||
+	    # An optimisation to avoid needless looping over every page
+	    # for simple uses of some of the tests.
+	    $params{test} =~ /^([\s\!()]*((enabled|sourcepage|destpage|included)\([^)]*\)|(and|or))[\s\!()]*)+$/) {
+		$result=pagespec_match($params{page}, $params{test},
+				location => $params{page},
+				sourcepage => $params{page},
+				destpage => $params{destpage});
+		my $i = $result->influences;
+		foreach my $k (keys %$i) {
+			# minor optimization: influences are always simple dependencies
+			$IkiWiki::depends_simple{$params{page}}{lc $k} |= $i->{$k};
+		}
 	}
 	else {
-		add_depends($params{page}, $params{test});
-
-		foreach my $page (keys %pagesources) {
-			if (pagespec_match($page, $params{test}, $params{page})) {
-				$result=1;
-				last;
-			}
-		}
+		$result=pagespec_match_list($params{page}, $params{test},
+			# stop after first match
+			num => 1,
+			sourcepage => $params{page},
+			destpage => $params{destpage},
+		);
 	}
-	$sourcepage="";
-	$destpage="";
 
 	my $ret;
 	if ($result) {
@@ -53,38 +62,68 @@ sub preprocess_if (@) { #{{{
 	else {
 		$ret="";
 	}
-	return IkiWiki::preprocess($params{page}, $params{destpage}, 
-		IkiWiki::filter($params{page}, $ret));
-} # }}}
+	return IkiWiki::preprocess($params{page}, $params{destpage}, $ret);
+}
 
 package IkiWiki::PageSpec;
 
-sub match_enabled ($$$) { #{{{
+sub match_enabled ($$;@) {
 	shift;
 	my $plugin=shift;
 	
 	# test if the plugin is enabled
-	return UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import");
-} #}}}
+	if (UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import")) {
+		return IkiWiki::SuccessReason->new("$plugin is enabled");
+	}
+	else {
+		return IkiWiki::FailReason->new("$plugin is not enabled");
+	}
+}
 
-sub match_sourcepage ($$$) { #{{{
+sub match_sourcepage ($$;@) {
 	shift;
 	my $glob=shift;
+	my %params=@_;
 	
-	return match_glob($IkiWiki::Plugin::conditional::sourcepage, $glob,
-		$IkiWiki::Plugin::conditional::sourcepage);
-} #}}}
+	$glob=derel($glob, $params{location});
+
+	return IkiWiki::FailReason->new("cannot match sourcepage") unless exists $params{sourcepage};
+	if (match_glob($params{sourcepage}, $glob, @_)) {
+		return IkiWiki::SuccessReason->new("sourcepage matches $glob");
+	}
+	else {
+		return IkiWiki::FailReason->new("sourcepage does not match $glob");
+	}
+}
 
-sub match_destpage ($$$) { #{{{
+sub match_destpage ($$;@) {
 	shift;
 	my $glob=shift;
+	my %params=@_;
 	
-	return match_glob($IkiWiki::Plugin::conditional::destpage, $glob,
-		$IkiWiki::Plugin::conditional::sourcepage);
-} #}}}
+	$glob=derel($glob, $params{location});
 
-sub match_included ($$$) { #{{{
-	return $IkiWiki::Plugin::conditional::sourcepage ne $IkiWiki::Plugin::conditional::destpage;
-} #}}}
+	return IkiWiki::FailReason->new("cannot match destpage") unless exists $params{destpage};
+	if (match_glob($params{destpage}, $glob, @_)) {
+		return IkiWiki::SuccessReason->new("destpage matches $glob");
+	}
+	else {
+		return IkiWiki::FailReason->new("destpage does not match $glob");
+	}
+}
+
+sub match_included ($$;@) {
+	shift;
+	shift;
+	my %params=@_;
+
+	return IkiWiki::FailReason->new("cannot match included") unless exists $params{sourcepage} && exists $params{destpage};
+	if ($params{sourcepage} ne $params{destpage}) {
+		return IkiWiki::SuccessReason->new("page $params{sourcepage} is included");
+	}
+	else {
+		return IkiWiki::FailReason->new("page $params{sourcepage} is not included");
+	}
+}
 
 1