X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/96dab37a8e3acc58fb0ab5be0657c0e545e9684a..665da89c270f98e93b1eaa89e729f3975973ab8f:/IkiWiki/Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 90058199c..a8236b954 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -8,29 +8,40 @@ use IkiWiki;
 use Encode;
 
 my %backlinks;
-my $backlinks_calculated=0;
+our %brokenlinks;
+my $links_calculated=0;
 
-sub calculate_backlinks () { #{{{
-	return if $backlinks_calculated;
-	%backlinks=();
+sub calculate_links () {
+	return if $links_calculated;
+	%backlinks=%brokenlinks=();
 	foreach my $page (keys %links) {
 		foreach my $link (@{$links{$page}}) {
 			my $bestlink=bestlink($page, $link);
-			if (length $bestlink && $bestlink ne $page) {
-				$backlinks{$bestlink}{$page}=1;
+			if (length $bestlink) {
+				$backlinks{$bestlink}{$page}=1
+					if $bestlink ne $page;
+			}
+			else {
+				push @{$brokenlinks{$link}}, $page;
 			}
 		}
 	}
-	$backlinks_calculated=1;
-} #}}}
+	$links_calculated=1;
+}
 
-sub backlinks ($) { #{{{
+sub backlink_pages ($) {
 	my $page=shift;
 
-	calculate_backlinks();
+	calculate_links();
+
+	return keys %{$backlinks{$page}};
+}
+
+sub backlinks ($) {
+	my $page=shift;
 
 	my @links;
-	foreach my $p (keys %{$backlinks{$page}}) {
+	foreach my $p (backlink_pages($page)) {
 		my $href=urlto($p, $page);
                 
 		# Trim common dir prefixes from both pages.
@@ -45,9 +56,9 @@ sub backlinks ($) { #{{{
 		push @links, { url => $href, page => pagetitle($p_trimmed) };
 	}
 	return @links;
-} #}}}
+}
 
-sub genpage ($$) { #{{{
+sub genpage ($$) {
 	my $page=shift;
 	my $content=shift;
 
@@ -63,23 +74,24 @@ sub genpage ($$) { #{{{
 	my $actions=0;
 
 	if (length $config{cgiurl}) {
-		$template->param(editurl => cgiurl(do => "edit", page => $page));
-		$template->param(prefsurl => cgiurl(do => "prefs"));
+		$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 (length $config{historyurl}) {
+	if (defined $config{historyurl} && length $config{historyurl}) {
 		my $u=$config{historyurl};
 		$u=~s/\[\[file\]\]/$pagesources{$page}/g;
 		$template->param(historyurl => $u);
 		$actions++;
 	}
 	if ($config{discussion}) {
-		my $discussionlink=gettext("discussion");
-		if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+		if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
 		   (length $config{cgiurl} ||
-		    exists $links{$page."/".$discussionlink})) {
-			$template->param(discussionlink => htmllink($page, $page, gettext("Discussion"), noimageinline => 1, forcesubpage => 1));
+		    exists $links{$page."/".$config{discussionpage}})) {
+			$template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
 			$actions++;
 		}
 	}
@@ -130,9 +142,9 @@ sub genpage ($$) { #{{{
 	});
 
 	return $content;
-} #}}}
+}
 
-sub scan ($) { #{{{
+sub scan ($) {
 	my $file=shift;
 
 	my $type=pagetype($file);
@@ -145,7 +157,7 @@ sub scan ($) { #{{{
 		if ($config{discussion}) {
 			# Discussion links are a special case since they're
 			# not in the text of the page, but on its template.
-			$links{$page}=[ $page."/".gettext("discussion") ];
+			$links{$page}=[ $page."/".lc($config{discussionpage}) ];
 		}
 		else {
 			$links{$page}=[];
@@ -164,9 +176,9 @@ sub scan ($) { #{{{
 	else {
 		will_render($file, $file, 1);
 	}
-} #}}}
+}
 
-sub fast_file_copy (@) { #{{{
+sub fast_file_copy (@) {
 	my $srcfile=shift;
 	my $destfile=shift;
 	my $srcfd=shift;
@@ -190,7 +202,7 @@ sub fast_file_copy (@) { #{{{
 	}
 }
 
-sub render ($) { #{{{
+sub render ($) {
 	my $file=shift;
 	
 	my $type=pagetype($file);
@@ -198,6 +210,7 @@ sub render ($) { #{{{
 	if (defined $type) {
 		my $page=pagename($file);
 		delete $depends{$page};
+		delete $depends_simple{$page};
 		will_render($page, htmlpage($page), 1);
 		return if $type=~/^_/;
 		
@@ -212,6 +225,7 @@ sub render ($) { #{{{
 	}
 	else {
 		delete $depends{$file};
+		delete $depends_simple{$file};
 		will_render($file, $file, 1);
 		
 		if ($config{hardlink}) {
@@ -232,9 +246,9 @@ sub render ($) { #{{{
 			fast_file_copy($srcfile, $file, $srcfd, @_);
 		});
 	}
-} #}}}
+}
 
-sub prune ($) { #{{{
+sub prune ($) {
 	my $file=shift;
 
 	unlink($file);
@@ -242,44 +256,49 @@ sub prune ($) { #{{{
 	while (rmdir($dir)) {
 		$dir=dirname($dir);
 	}
-} #}}}
+}
 
-sub refresh () { #{{{
+sub srcdir_check () {
 	# security check, avoid following symlinks in the srcdir path by default
 	my $test=$config{srcdir};
 	while (length $test) {
 		if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
-			error("symlink found in srcdir path ($test) -- set allow_symlinks_before_srcdir to allow this");
+			error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
 		}
 		unless ($test=~s/\/+$//) {
 			$test=dirname($test);
 		}
 	}
 	
-	run_hooks(refresh => sub { shift->() });
+}
 
-	# find existing pages
-	my %exists;
-	my @files;
+sub find_src_files () {
+	my (@files, %pages);
 	eval q{use File::Find};
 	error($@) if $@;
 	find({
 		no_chdir => 1,
 		wanted => sub {
-			$_=decode_utf8($_);
-			if (file_pruned($_, $config{srcdir})) {
+			my $file=decode_utf8($_);
+			$file=~s/^\Q$config{srcdir}\E\/?//;
+			my $page = pagename($file);
+			if (! exists $pagesources{$page} &&
+			    file_pruned($file)) {
 				$File::Find::prune=1;
+				return;
 			}
-			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\/?//;
-					push @files, $f;
-					$exists{pagename($f)}=1;
+			return if -l $_ || -d _ || ! length $file;
+
+			my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+			if (! defined $f) {
+				warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+			}
+			else {
+				push @files, $f;
+				if ($pages{$page}) {
+					debug(sprintf(gettext("%s has multiple possible source pages"), $page));
 				}
+				$pages{$page}=1;
 			}
 		},
 	}, $config{srcdir});
@@ -287,27 +306,28 @@ sub refresh () { #{{{
 		find({
 			no_chdir => 1,
 			wanted => sub {
-				$_=decode_utf8($_);
-				if (file_pruned($_, $dir)) {
+				my $file=decode_utf8($_);
+				$file=~s/^\Q$dir\E\/?//;
+				my $page=pagename($file);
+				if (! exists $pagesources{$page} &&
+				    file_pruned($file)) {
 					$File::Find::prune=1;
+					return;
 				}
-				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 (! $exists{$page}) {
-								push @files, $f;
-								$exists{$page}=1;
-							}
+				return if -l $_ || -d _ || ! length $file;
+
+				my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+				if (! defined $f) {
+					warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+				}
+				else {
+					# avoid underlaydir override
+					# attacks; see security.mdwn
+					if (! -l "$config{srcdir}/$f" && 
+					    ! -e _) {
+						if (! $pages{$page}) {
+							push @files, $f;
+							$pages{$page}=1;
 						}
 					}
 				}
@@ -315,9 +335,19 @@ sub refresh () { #{{{
 		}, $dir);
 	};
 
+	# Returns a list of all source files found, and a hash of 
+	# the corresponding page names.
+	return \@files, \%pages;
+}
+
+sub refresh () {
+	srcdir_check();
+	run_hooks(refresh => sub { shift->() });
+	my ($files, $exists)=find_src_files();
+
 	my (%rendered, @add, @del, @internal);
 	# check for added or removed pages
-	foreach my $file (@files) {
+	foreach my $file (@$files) {
 		my $page=pagename($file);
 		if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
 			# the page has changed its type
@@ -347,7 +377,7 @@ sub refresh () { #{{{
 		}
 	}
 	foreach my $page (keys %pagemtime) {
-		if (! $exists{$page}) {
+		if (! $exists->{$page}) {
 			if (isinternal($page)) {
 				push @internal, $pagesources{$page};
 			}
@@ -358,12 +388,13 @@ sub refresh () { #{{{
 			$links{$page}=[];
 			$renderedfiles{$page}=[];
 			$pagemtime{$page}=0;
-			prune($config{destdir}."/".$_)
-				foreach @{$oldrenderedfiles{$page}};
+			foreach my $old (@{$oldrenderedfiles{$page}}) {
+				prune($config{destdir}."/".$old);
+			}
 			delete $pagesources{$page};
-			foreach (keys %destsources) {
-				if ($destsources{$_} eq $page) {
-					delete $destsources{$_};
+			foreach my $source (keys %destsources) {
+				if ($destsources{$source} eq $page) {
+					delete $destsources{$source};
 				}
 			}
 		}
@@ -371,7 +402,7 @@ sub refresh () { #{{{
 
 	# find changed and new files
 	my @needsbuild;
-	foreach my $file (@files) {
+	foreach my $file (@$files) {
 		my $page=pagename($file);
 		my ($srcfile, @stat)=srcfile_stat($file);
 		if (! exists $pagemtime{$page} ||
@@ -395,9 +426,9 @@ sub refresh () { #{{{
 		debug(sprintf(gettext("scanning %s"), $file));
 		scan($file);
 	}
-	calculate_backlinks();
+	calculate_links();
 	foreach my $file (@needsbuild) {
-		debug(sprintf(gettext("rendering %s"), $file));
+		debug(sprintf(gettext("building %s"), $file));
 		render($file);
 		$rendered{$file}=1;
 	}
@@ -405,6 +436,7 @@ sub refresh () { #{{{
 		# internal pages are not rendered
 		my $page=pagename($file);
 		delete $depends{$page};
+		delete $depends_simple{$page};
 		foreach my $old (@{$renderedfiles{$page}}) {
 			delete $destsources{$old};
 		}
@@ -418,7 +450,7 @@ sub refresh () { #{{{
 			foreach my $page (keys %{$backlinks{$p}}) {
 				my $file=$pagesources{$page};
 				next if $rendered{$file};
-		   		debug(sprintf(gettext("rendering %s, which links to %s"), $file, $p));
+		   		debug(sprintf(gettext("building %s, which links to %s"), $file, $p));
 				render($file);
 				$rendered{$file}=1;
 			}
@@ -428,24 +460,47 @@ sub refresh () { #{{{
 	if (%rendered || @del || @internal) {
 		my @changed=(keys %rendered, @del);
 
+ 		my %lcchanged = map { lc(pagename($_)) => 1 } @changed;
+ 
 		# rebuild dependant pages
-		foreach my $f (@files) {
+		foreach my $f (@$files) {
 			next if $rendered{$f};
 			my $p=pagename($f);
-			if (exists $depends{$p}) {
-				# only consider internal files
-				# if the page explicitly depends on such files
-				foreach my $file (@changed, $depends{$p}=~/internal\(/ ? @internal : ()) {
-					next if $f eq $file;
-					my $page=pagename($file);
-					if (pagespec_match($page, $depends{$p}, location => $p)) {
-						debug(sprintf(gettext("rendering %s, which depends on %s"), $f, $page));
-						render($f);
-						$rendered{$f}=1;
+			my $reason = undef;
+
+			if (exists $depends_simple{$p}) {
+				foreach my $d (keys %{$depends_simple{$p}}) {
+					if (exists $lcchanged{$d}) {
+						$reason = $d;
 						last;
 					}
 				}
 			}
+
+			if (exists $depends{$p} && ! defined $reason) {
+				D: foreach my $d (keys %{$depends{$p}}) {
+					my $sub=pagespec_translate($d);
+					next if $@ || ! defined $sub;
+
+					# only consider internal files
+					# if the page explicitly depends
+					# on such files
+					foreach my $file (@changed, $d =~ /internal\(/ ? @internal : ()) {
+						next if $file eq $f;
+						my $page=pagename($file);
+						if ($sub->($page, location => $p)) {
+							$reason = $page;
+							last D;
+						}
+					}
+				}
+			}
+
+			if (defined $reason) {
+				debug(sprintf(gettext("building %s, which depends on %s"), $f, $reason));
+				render($f);
+				$rendered{$f}=1;
+			}
 		}
 		
 		# handle backlinks; if a page has added/removed links,
@@ -478,7 +533,7 @@ sub refresh () { #{{{
 		    	my $linkfile=$pagesources{$link};
 			if (defined $linkfile) {
 				next if $rendered{$linkfile};
-				debug(sprintf(gettext("rendering %s, to update its backlinks"), $linkfile));
+				debug(sprintf(gettext("building %s, to update its backlinks"), $linkfile));
 				render($linkfile);
 				$rendered{$linkfile}=1;
 			}
@@ -490,7 +545,7 @@ sub refresh () { #{{{
 		my $page=pagename($src);
 		foreach my $file (@{$oldrenderedfiles{$page}}) {
 			if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
-				debug(sprintf(gettext("removing %s, no longer rendered by %s"), $file, $page));
+				debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
 				prune($config{destdir}."/".$file);
 			}
 		}
@@ -502,9 +557,9 @@ sub refresh () { #{{{
 	if (%rendered) {
 		run_hooks(change => sub { shift->(keys %rendered) });
 	}
-} #}}}
+}
 
-sub commandline_render () { #{{{
+sub commandline_render () {
 	lockwiki();
 	loadindex();
 	unlockwiki();
@@ -514,7 +569,7 @@ sub commandline_render () { #{{{
 	$file=~s/\Q$config{srcdir}\E\/?//;
 
 	my $type=pagetype($file);
-	die sprintf(gettext("ikiwiki: cannot render %s"), $srcfile)."\n" unless defined $type;
+	die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
 	my $content=readfile($srcfile);
 	my $page=pagename($file);
 	$pagesources{$page}=$file;
@@ -523,9 +578,10 @@ sub commandline_render () { #{{{
 	$content=linkify($page, $page, $content);
 	$content=htmlize($page, $page, $type, $content);
 	$pagemtime{$page}=(stat($srcfile))[9];
+	$pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
 
 	print genpage($page, $content);
 	exit 0;
-} #}}}
+}
 
 1