X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/7e6abdfd1c4d72df154f8e3ac64cdec9317c1c39..206b583c0db7551dd9ec0f36d0f46018fd0f77e2:/IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index ca483a111..ce1ceb351 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -174,7 +174,7 @@ sub getsetup () {
 	verbose => {
 		type => "boolean",
 		example => 1,
-		description => "display verbose messages when building?",
+		description => "display verbose messages?",
 		safe => 1,
 		rebuild => 0,
 	},
@@ -1293,6 +1293,70 @@ sub indexlink () {
 	return "<a href=\"$config{url}\">$config{wikiname}</a>";
 }
 
+sub check_canedit ($$$;$) {
+	my $page=shift;
+	my $q=shift;
+	my $session=shift;
+	my $nonfatal=shift;
+	
+	my $canedit;
+	run_hooks(canedit => sub {
+		return if defined $canedit;
+		my $ret=shift->($page, $q, $session);
+		if (defined $ret) {
+			if ($ret eq "") {
+				$canedit=1;
+			}
+			elsif (ref $ret eq 'CODE') {
+				$ret->() unless $nonfatal;
+				$canedit=0;
+			}
+			elsif (defined $ret) {
+				error($ret) unless $nonfatal;
+				$canedit=0;
+			}
+		}
+	});
+	return defined $canedit ? $canedit : 1;
+}
+
+sub check_content (@) {
+	my %params=@_;
+	
+	return 1 if ! exists $hooks{checkcontent}; # optimisation
+
+	if (exists $pagesources{$params{page}}) {
+		my @diff;
+		my %old=map { $_ => 1 }
+		        split("\n", readfile(srcfile($pagesources{$params{page}})));
+		foreach my $line (split("\n", $params{content})) {
+			push @diff, $line if ! exists $old{$_};
+		}
+		$params{content}=join("\n", @diff);
+	}
+
+	my $ok;
+	run_hooks(checkcontent => sub {
+		return if defined $ok;
+		my $ret=shift->(%params);
+		if (defined $ret) {
+			if ($ret eq "") {
+				$ok=1;
+			}
+			elsif (ref $ret eq 'CODE') {
+				$ret->() unless $params{nonfatal};
+				$ok=0;
+			}
+			elsif (defined $ret) {
+				error($ret) unless $params{nonfatal};
+				$ok=0;
+			}
+		}
+
+	});
+	return defined $ok ? $ok : 1;
+}
+
 my $wikilock;
 
 sub lockwiki () {
@@ -1729,7 +1793,7 @@ sub pagespec_translate ($) {
 				$code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@_)";
 			}
 			else {
-				$code.=' 0';
+				$code.="IkiWiki::FailReason->new(".safequote(qq{unknown function in pagespec "$word"}).")";
 			}
 		}
 		else {
@@ -1738,7 +1802,7 @@ sub pagespec_translate ($) {
 	}
 
 	if (! length $code) {
-		$code=0;
+		$code="IkiWiki::FailReason->new('empty pagespec')";
 	}
 
 	no warnings;