X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/ee56af29e189a7ca0f2a814a76d9086b6f41af9a..c037714b77535c849c8d8ef4807af2b59737a5c5:/IkiWiki/Render.pm?ds=sidebyside

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index e28381c33..a90d202ee 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -5,7 +5,6 @@ package IkiWiki;
 use warnings;
 use strict;
 use IkiWiki;
-use Encode;
 
 my (%backlinks, %rendered);
 our %brokenlinks;
@@ -43,7 +42,7 @@ sub backlinks ($) {
 	my @links;
 	foreach my $p (backlink_pages($page)) {
 		my $href=urlto($p, $page);
-                
+
 		# Trim common dir prefixes from both pages.
 		my $p_trimmed=$p;
 		my $page_trimmed=$page;
@@ -61,6 +60,10 @@ sub backlinks ($) {
 sub genpage ($$) {
 	my $page=shift;
 	my $content=shift;
+	
+	run_hooks(indexhtml => sub {
+		shift->(page => $page, destpage => $page, content => $content);
+	});
 
 	my $templatefile;
 	run_hooks(templatefile => sub {
@@ -70,35 +73,43 @@ sub genpage ($$) {
 			$templatefile=$file;
 		}
 	});
-	my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
-	my $actions=0;
+	my $template;
+	if (defined $templatefile) {
+		$template=template_depends($templatefile, $page,
+			blind_cache => 1);
+	}
+	else {
+		# no explicit depends as special case
+		$template=template('page.tmpl', 
+			blind_cache => 1);
+	}
 
+	my $actions=0;
 	if (length $config{cgiurl}) {
-		$template->param(editurl => cgiurl(do => "edit", page => $page))
-			if IkiWiki->can("cgi_editpage");
-		$template->param(prefsurl => cgiurl(do => "prefs"))
-			if exists $hooks{auth};
-		$actions++;
+		if (IkiWiki->can("cgi_editpage")) {
+			$template->param(editurl => cgiurl(do => "edit", page => $page));
+			$actions++;
+		}
 	}
-		
 	if (defined $config{historyurl} && length $config{historyurl}) {
 		my $u=$config{historyurl};
-		$u=~s/\[\[file\]\]/$pagesources{$page}/g;
+		my $p=uri_escape_utf8($pagesources{$page}, '^A-Za-z0-9\-\._~/');
+		$u=~s/\[\[file\]\]/$p/g;
 		$template->param(historyurl => $u);
 		$actions++;
 	}
 	if ($config{discussion}) {
-		if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
+		if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 		   (length $config{cgiurl} ||
 		    exists $links{$page."/".$config{discussionpage}})) {
 			$template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
 			$actions++;
 		}
 	}
-
 	if ($actions) {
 		$template->param(have_actions => 1);
 	}
+	templateactions($template, $page);
 
 	my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
 	my ($backlinks, $more_backlinks);
@@ -120,8 +131,9 @@ sub genpage ($$) {
 		backlinks => $backlinks,
 		more_backlinks => $more_backlinks,
 		mtime => displaytime($pagemtime{$page}),
-		ctime => displaytime($pagectime{$page}),
+		ctime => displaytime($pagectime{$page}, undef, 1),
 		baseurl => baseurl($page),
+		html5 => $config{html5},
 	);
 
 	run_hooks(pagetemplate => sub {
@@ -130,10 +142,6 @@ sub genpage ($$) {
 	
 	$content=$template->output;
 	
-	run_hooks(postscan => sub {
-		shift->(page => $page, content => $content);
-	});
-
 	run_hooks(format => sub {
 		$content=shift->(
 			page => $page,
@@ -164,6 +172,10 @@ sub scan ($) {
 		else {
 			$links{$page}=[];
 		}
+		delete $typedlinks{$page};
+
+		# Preprocess in scan-only mode.
+		preprocess($page, $page, $content, 1);
 
 		run_hooks(scan => sub {
 			shift->(
@@ -171,9 +183,6 @@ sub scan ($) {
 				content => $content,
 			);
 		});
-
-		# Preprocess in scan-only mode.
-		preprocess($page, $page, $content, 1);
 	}
 	else {
 		will_render($file, $file, 1);
@@ -253,12 +262,13 @@ sub render ($$) {
 	}
 }
 
-sub prune ($) {
+sub prune ($;$) {
 	my $file=shift;
+	my $up_to=shift;
 
 	unlink($file);
 	my $dir=dirname($file);
-	while (rmdir($dir)) {
+	while ((! defined $up_to || $dir =~ m{^\Q$up_to\E\/}) && rmdir($dir)) {
 		$dir=dirname($dir);
 	}
 }
@@ -282,61 +292,68 @@ sub find_src_files () {
 	my %pages;
 	eval q{use File::Find};
 	error($@) if $@;
-	find({
-		no_chdir => 1,
-		wanted => sub {
-			$_=decode_utf8($_);
-			if (file_pruned($_, $config{srcdir})) {
-				$File::Find::prune=1;
-			}
-			elsif (! -l $_ && ! -d _) {
-				my ($f)=/$config{wiki_file_regexp}/; # untaint
-				if (! defined $f) {
-					warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
-				}
-				else {
-					$f=~s/^\Q$config{srcdir}\E\/?//;
+
+	eval q{use Cwd};
+	die $@ if $@;
+	my $origdir=getcwd();
+	my $abssrcdir=Cwd::abs_path($config{srcdir});
+
+	my ($page, $underlay);
+	my $helper=sub {
+		my $file=decode_utf8($_);
+
+		return if -l $file || -d _;
+		$file=~s/^\.\///;
+		return if ! length $file;
+		$page = pagename($file);
+		if (! exists $pagesources{$page} &&
+		    file_pruned($file)) {
+			$File::Find::prune=1;
+			return;
+		}
+
+		my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+		if (! defined $f) {
+			warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+			return;
+		}
+	
+		if ($underlay) {
+			# avoid underlaydir override attacks; see security.mdwn
+			if (! -l "$abssrcdir/$f" && ! -e _) {
+				if (! $pages{$page}) {
 					push @files, $f;
-					my $page = pagename($f);
-					if ($pages{$page}) {
-						debug(sprintf(gettext("%s has multiple possible source pages"), $page));
-					}
 					$pages{$page}=1;
 				}
 			}
-		},
-	}, $config{srcdir});
-	foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
-		find({
-			no_chdir => 1,
-			wanted => sub {
-				$_=decode_utf8($_);
-				if (file_pruned($_, $dir)) {
-					$File::Find::prune=1;
-				}
-				elsif (! -l $_ && ! -d _) {
-					my ($f)=/$config{wiki_file_regexp}/; # untaint
-					if (! defined $f) {
-						warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
-					}
-					else {
-						$f=~s/^\Q$dir\E\/?//;
-						# avoid underlaydir
-						# override attacks; see
-						# security.mdwn
-						if (! -l "$config{srcdir}/$f" && 
-						    ! -e _) {
-						    	my $page=pagename($f);
-							if (! $pages{$page}) {
-								push @files, $f;
-								$pages{$page}=1;
-							}
-						}
-					}
-				}
-			},
-		}, $dir);
+		}
+		else {
+			push @files, $f;
+			if ($pages{$page}) {
+				debug(sprintf(gettext("%s has multiple possible source pages"), $page));
+			}
+			$pages{$page}=1;
+		}
 	};
+
+	chdir($config{srcdir}) || die "chdir $config{srcdir}: $!";
+	find({
+		no_chdir => 1,
+		wanted => $helper,
+	}, '.');
+	chdir($origdir) || die "chdir $origdir: $!";
+
+	$underlay=1;
+	foreach (@{$config{underlaydirs}}, $config{underlaydir}) {
+		if (chdir($_)) {
+			find({
+				no_chdir => 1,
+				wanted => $helper,
+			}, '.');
+			chdir($origdir) || die "chdir: $!";
+		}
+	};
+
 	return \@files, \%pages;
 }
 
@@ -345,8 +362,39 @@ sub find_new_files ($) {
 	my @new;
 	my @internal_new;
 
+	my $times_noted;
+
 	foreach my $file (@$files) {
 		my $page=pagename($file);
+
+		if ($config{rcs} && $config{gettime} &&
+		    -e "$config{srcdir}/$file") {
+			if (! $times_noted) {
+				debug(sprintf(gettext("querying %s for file creation and modification times.."), $config{rcs}));
+				$times_noted=1;
+			}
+
+			eval {
+				my $ctime=rcs_getctime($file);
+				if ($ctime > 0) {
+					$pagectime{$page}=$ctime;
+				}
+			};
+			if ($@) {
+				print STDERR $@;
+			}
+			my $mtime;
+			eval {
+				$mtime=rcs_getmtime($file);
+			};
+			if ($@) {
+				print STDERR $@;
+			}
+			elsif ($mtime > 0) {
+				utime($mtime, $mtime, "$config{srcdir}/$file");
+			}
+		}
+
 		if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
 			# the page has changed its type
 			$forcerebuild{$page}=1;
@@ -358,15 +406,6 @@ sub find_new_files ($) {
 			}
 			else {
 				push @new, $file;
-				if ($config{getctime} && -e "$config{srcdir}/$file") {
-					eval {
-						my $time=rcs_getctime("$config{srcdir}/$file");
-						$pagectime{$page}=$time;
-					};
-					if ($@) {
-						print STDERR $@;
-					}
-				}
 			}
 			$pagecase{lc $page}=$page;
 			if (! exists $pagectime{$page}) {
@@ -383,33 +422,47 @@ sub find_del_files ($) {
 	my @del;
 	my @internal_del;
 
-	foreach my $page (keys %pagemtime) {
+	foreach my $page (keys %pagesources) {
 		if (! $pages->{$page}) {
 			if (isinternal($page)) {
 				push @internal_del, $pagesources{$page};
 			}
 			else {
-				debug(sprintf(gettext("removing old page %s"), $page));
 				push @del, $pagesources{$page};
 			}
 			$links{$page}=[];
+			delete $typedlinks{$page};
 			$renderedfiles{$page}=[];
 			$pagemtime{$page}=0;
-			foreach my $old (@{$oldrenderedfiles{$page}}) {
-				prune($config{destdir}."/".$old);
-			}
-			delete $pagesources{$page};
-			foreach my $source (keys %destsources) {
-				if ($destsources{$source} eq $page) {
-					delete $destsources{$source};
-				}
-			}
 		}
 	}
 
 	return \@del, \@internal_del;
 }
 
+sub remove_del (@) {
+	foreach my $file (@_) {
+		my $page=pagename($file);
+		if (! isinternal($page)) {
+			debug(sprintf(gettext("removing obsolete %s"), $page));
+		}
+	
+		foreach my $old (@{$oldrenderedfiles{$page}}) {
+			prune($config{destdir}."/".$old, $config{destdir});
+		}
+
+		foreach my $source (keys %destsources) {
+			if ($destsources{$source} eq $page) {
+				delete $destsources{$source};
+			}
+		}
+	
+		delete $pagecase{lc $page};
+		$delpagesources{$page}=$pagesources{$page};
+		delete $pagesources{$page};
+	}
+}
+
 sub find_changed ($) {
 	my $files=shift;
 	my @changed;
@@ -423,8 +476,18 @@ sub find_changed ($) {
 			$pagemtime{$page}=$stat[9];
 
 			if (isinternal($page)) {
+				my $content = readfile($srcfile);
+
 				# Preprocess internal page in scan-only mode.
-				preprocess($page, $page, readfile($srcfile), 1);
+				preprocess($page, $page, $content, 1);
+
+				run_hooks(scan => sub {
+					shift->(
+						page => $page,
+						content => $content,
+					);
+				});
+
 				push @internal_changed, $file;
 			}
 			else {
@@ -475,12 +538,35 @@ sub remove_unrendered () {
 		foreach my $file (@{$oldrenderedfiles{$page}}) {
 			if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
 				debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
-				prune($config{destdir}."/".$file);
+				prune($config{destdir}."/".$file, $config{destdir});
 			}
 		}
 	}
 }
 
+sub link_types_changed ($$) {
+	# each is of the form { type => { link => 1 } }
+	my $new = shift;
+	my $old = shift;
+
+	return 0 if !defined $new && !defined $old;
+	return 1 if (!defined $new && %$old) || (!defined $old && %$new);
+
+	while (my ($type, $links) = each %$new) {
+		foreach my $link (keys %$links) {
+			return 1 unless exists $old->{$type}{$link};
+		}
+	}
+
+	while (my ($type, $links) = each %$old) {
+		foreach my $link (keys %$links) {
+			return 1 unless exists $new->{$type}{$link};
+		}
+	}
+
+	return 0;
+}
+
 sub calculate_changed_links ($$$) {
 	my ($changed, $del, $oldlink_targets)=@_;
 
@@ -494,7 +580,7 @@ sub calculate_changed_links ($$$) {
 				my $target=bestlink($page, $l);
 				if (! exists $oldlink_targets->{$page}{$l} ||
 				    $target ne $oldlink_targets->{$page}{$l}) {
-					$backlinkchanged{$l}=1;
+					$backlinkchanged{$target}=1;
 					$linkchangers{lc($page)}=1;
 				}
 				delete $oldlink_targets->{$page}{$l};
@@ -502,11 +588,19 @@ sub calculate_changed_links ($$$) {
 		}
 		if (exists $oldlink_targets->{$page} &&
 		    %{$oldlink_targets->{$page}}) {
-			foreach my $target (keys %{$oldlink_targets->{$page}}) {
+			foreach my $target (values %{$oldlink_targets->{$page}}) {
 				$backlinkchanged{$target}=1;
 			}
 			$linkchangers{lc($page)}=1;
 		}
+
+		# we currently assume that changing the type of a link doesn't
+		# change backlinks
+		if (!exists $linkchangers{lc($page)}) {
+			if (link_types_changed($typedlinks{$page}, $oldtypedlinks{$page})) {
+				$linkchangers{lc($page)}=1;
+			}
+		}
 	}
 
 	return \%backlinkchanged, \%linkchangers;
@@ -521,13 +615,23 @@ sub render_dependent ($$$$$$$) {
 	
 	my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
 	my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
+	foreach my $p ("templates/page.tmpl", keys %{$depends_simple{""}}) {
+		if ($rendered{$p} || grep { $_ eq $p } @$del) {
+			foreach my $f (@$files) {
+				next if $rendered{$f};
+				render($f, sprintf(gettext("building %s, which depends on %s"), $f, $p));
+			}
+			return 0;
+		}
+	}
 	 
 	foreach my $f (@$files) {
 		next if $rendered{$f};
 		my $p=pagename($f);
 		my $reason = undef;
-	
-		if (exists $depends_simple{$p}) {
+
+		if (exists $depends_simple{$p} && ! defined $reason) {
 			foreach my $d (keys %{$depends_simple{$p}}) {
 				if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
 				     $lc_changed{$d})
@@ -547,12 +651,12 @@ sub render_dependent ($$$$$$$) {
 		if (exists $depends{$p} && ! defined $reason) {
 			foreach my $dep (keys %{$depends{$p}}) {
 				my $sub=pagespec_translate($dep);
-				next if $@ || ! defined $sub;
+				next unless defined $sub;
 
 				# only consider internal files
 				# if the page explicitly depends
 				# on such files
-				my $internal_dep=$dep =~ /internal\(/;
+				my $internal_dep=$dep =~ /(?:internal|comment|comment_pending)\(/;
 
 				my $in=sub {
 					my $list=shift;
@@ -564,34 +668,35 @@ sub render_dependent ($$$$$$$) {
 							if ($type == $IkiWiki::DEPEND_LINKS) {
 								next unless $linkchangers->{lc($page)};
 							}
-							return $page;
+							$reason=$page;
+							return 1;
 						}
 					}
 					return undef;
 				};
 
 				if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
-					last if $reason =
-						$in->(\@changed, $IkiWiki::DEPEND_CONTENT);
-					last if $internal_dep && ($reason =
+					last if $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
+					last if $internal_dep && (
 						$in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
 						$in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
-						$in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
+						$in->($internal_changed, $IkiWiki::DEPEND_CONTENT)
+					);
 				}
 				if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
-					last if $reason = 
-						$in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
-					last if $internal_dep && ($reason =
+					last if $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
+					last if $internal_dep && (
 						$in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
-						$in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
+						$in->($internal_del, $IkiWiki::DEPEND_PRESENCE)
+					);
 				}
 				if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
-					last if $reason =
-						$in->(\@changed, $IkiWiki::DEPEND_LINKS);
-					last if $internal_dep && ($reason =
+					last if $in->(\@changed, $IkiWiki::DEPEND_LINKS);
+					last if $internal_dep && (
 						$in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
 						$in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
-						$in->($internal_changed, $IkiWiki::DEPEND_LINKS));
+						$in->($internal_changed, $IkiWiki::DEPEND_LINKS)
+					);
 				}
 			}
 		}
@@ -615,6 +720,49 @@ sub render_backlinks ($) {
 	}
 }
 
+sub gen_autofile ($$$) {
+	my $autofile=shift;
+	my $pages=shift;
+	my $del=shift;
+
+	if (file_pruned($autofile)) {
+		return;
+	}
+
+	my ($file)="$config{srcdir}/$autofile" =~ /$config{wiki_file_regexp}/; # untaint
+	if (! defined $file) {
+		return;
+	}
+
+	# Remember autofiles that were tried, and never try them again later.
+	if (exists $wikistate{$autofiles{$autofile}{plugin}}{autofile}{$autofile}) {
+		return;
+	}
+	$wikistate{$autofiles{$autofile}{plugin}}{autofile}{$autofile}=1;
+
+	if (srcfile($autofile, 1) || file_pruned($autofile)) {
+		return;
+	}
+	
+	if (-l $file || -d _ || -e _) {
+		return;
+	}
+
+	my $page = pagename($file);
+	if ($pages->{$page}) {
+		return;
+	}
+
+	if (grep { $_ eq $autofile } @$del) {
+		return;
+	}
+
+	$autofiles{$autofile}{generator}->();
+	$pages->{$page}=1;
+	return 1;
+}
+
+
 sub refresh () {
 	srcdir_check();
 	run_hooks(refresh => sub { shift->() });
@@ -622,14 +770,29 @@ sub refresh () {
 	my ($new, $internal_new)=find_new_files($files);
 	my ($del, $internal_del)=find_del_files($pages);
 	my ($changed, $internal_changed)=find_changed($files);
-	run_hooks(needsbuild => sub { shift->($changed) });
+	run_hooks(needsbuild => sub {
+		my $ret=shift->($changed, [@$del, @$internal_del]);
+		$changed=$ret if ref $ret eq 'ARRAY';
+	});
 	my $oldlink_targets=calculate_old_links($changed, $del);
 
 	foreach my $file (@$changed) {
 		scan($file);
 	}
 
+	foreach my $autofile (keys %autofiles) {
+		if (gen_autofile($autofile, $pages, $del)) {
+			push @{$files}, $autofile;
+			push @{$new}, $autofile if find_new_files([$autofile]);
+			push @{$changed}, $autofile if find_changed([$autofile]);
+			
+			scan($autofile);
+		}
+	}
+
 	calculate_links();
+	
+	remove_del(@$del, @$internal_del);
 
 	foreach my $file (@$changed) {
 		render($file, sprintf(gettext("building %s"), $file));
@@ -638,13 +801,21 @@ sub refresh () {
 		derender_internal($file);
 	}
 
+	run_hooks(build_affected => sub {
+		my %affected = shift->();
+		while (my ($page, $message) = each %affected) {
+			next unless exists $pagesources{$page};
+			render($pagesources{$page}, $message);
+		}
+	});
+
 	my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
 		$del, $oldlink_targets);
 
 	foreach my $file (@$new, @$del) {
 		render_linkers($file);
 	}
-	
+
 	if (@$changed || @$internal_changed ||
 	    @$del || @$internal_del || @$internal_new) {
 		1 while render_dependent($files, $new, $internal_new,
@@ -655,11 +826,27 @@ sub refresh () {
 	render_backlinks($backlinkchanged);
 	remove_unrendered();
 
-	if (@$del) {
-		run_hooks(delete => sub { shift->(@$del) });
+	if (@$del || @$internal_del) {
+		run_hooks(delete => sub { shift->(@$del, @$internal_del) });
 	}
 	if (%rendered) {
-		run_hooks(change => sub { shift->(keys %rendered) });
+		run_hooks(rendered => sub { shift->(keys %rendered) });
+		run_hooks(change => sub { shift->(keys %rendered) }); # back-compat
+	}
+	my %all_changed = map { $_ => 1 }
+		@$new, @$changed, @$del,
+		@$internal_new, @$internal_changed, @$internal_del;
+	run_hooks(changes => sub { shift->(keys %all_changed) });
+}
+
+sub clean_rendered {
+	lockwiki();
+	loadindex();
+	remove_unrendered();
+	foreach my $page (keys %oldrenderedfiles) {
+		foreach my $file (@{$oldrenderedfiles{$page}}) {
+			prune($config{destdir}."/".$file, $config{destdir});
+		}
 	}
 }