X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/5951c1dc8220cbc09e6bdda09bae92aa4e3236e3..8abe719f81a15a088e57f7f58e532d45863f59bb:/IkiWiki/Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 7d2e8c4ee..1449b8931 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -1,15 +1,20 @@
+#!/usr/bin/perl
+
 package IkiWiki;
 
 use warnings;
 use strict;
-use File::Spec;
+use IkiWiki;
+use Encode;
 
-sub linkify ($$) { #{{{
+sub linkify ($$$) { #{{{
+	my $lpage=shift; # the page containing the links
+	my $page=shift; # the page the link will end up on (different for inline)
 	my $content=shift;
-	my $page=shift;
 
 	$content =~ s{(\\?)$config{wiki_link_regexp}}{
-		$1 ? "[[$2]]" : htmllink($page, $2)
+		$2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
+		   : ( $1 ? "[[$3]]" :    htmllink($lpage, $page, titlepage($3)))
 	}eg;
 	
 	return $content;
@@ -19,19 +24,18 @@ sub htmlize ($$) { #{{{
 	my $type=shift;
 	my $content=shift;
 	
-	if (! $INC{"/usr/bin/markdown"}) {
-		no warnings 'once';
-		$blosxom::version="is a proper perl module too much to ask?";
-		use warnings 'all';
-		do "/usr/bin/markdown";
-	}
-	
-	if ($type eq '.mdwn') {
-		return Markdown::Markdown($content);
+	if (exists $hooks{htmlize}{$type}) {
+		$content=$hooks{htmlize}{$type}{call}->($content);
 	}
 	else {
 		error("htmlization of $type not supported");
 	}
+
+	run_hooks(sanitize => sub {
+		$content=shift->($content);
+	});
+	
+	return $content;
 } #}}}
 
 sub backlinks ($) { #{{{
@@ -41,7 +45,7 @@ sub backlinks ($) { #{{{
 	foreach my $p (keys %links) {
 		next if bestlink($page, $p) eq $page;
 		if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
-			my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
+			my $href=abs2rel(htmlpage($p), dirname($page));
 			
 			# Trim common dir prefixes from both pages.
 			my $p_trimmed=$p;
@@ -52,7 +56,7 @@ sub backlinks ($) { #{{{
 			        $p_trimmed=~s/^\Q$dir\E// &&
 			        $page_trimmed=~s/^\Q$dir\E//;
 				       
-			push @links, { url => $href, page => $p_trimmed };
+			push @links, { url => $href, page => pagetitle($p_trimmed) };
 		}
 	}
 
@@ -66,10 +70,11 @@ sub parentlinks ($) { #{{{
 	my $pagelink="";
 	my $path="";
 	my $skip=1;
+	return if $page eq 'index'; # toplevel
 	foreach my $dir (reverse split("/", $page)) {
 		if (! $skip) {
 			$path.="../";
-			unshift @ret, { url => "$path$dir.html", page => $dir };
+			unshift @ret, { url => "$path$dir.html", page => pagetitle($dir) };
 		}
 		else {
 			$skip=0;
@@ -79,35 +84,42 @@ sub parentlinks ($) { #{{{
 	return @ret;
 } #}}}
 
-sub rsspage ($) { #{{{
-	my $page=shift;
-
-	return $page.".rss";
-} #}}}
-
-sub postprocess { #{{{
-	# Takes content to postprocess followed by a list of postprocessor
-	# commands and subroutine references to run for the commands.
-	my $page=shift;
+sub preprocess ($$$;$) { #{{{
+	my $page=shift; # the page the data comes from
+	my $destpage=shift; # the page the data will appear in (different for inline)
 	my $content=shift;
-	my %commands=@_;
-	
+	my $onlystrip=shift || 0; # strip directives without processing
+
 	my $handle=sub {
 		my $escape=shift;
 		my $command=shift;
 		my $params=shift;
 		if (length $escape) {
-			"[[$command $params]]";
+			return "[[$command $params]]";
+		}
+		elsif ($onlystrip) {
+			return "";
 		}
-		elsif (exists $commands{$command}) {
-			my %params;
-			while ($params =~ /(\w+)=\"([^"]+)"(\s+|$)/g) {
-				$params{$1}=$2;
+		elsif (exists $hooks{preprocess}{$command}) {
+			# Note: preserve order of params, some plugins may
+			# consider it significant.
+			my @params;
+			while ($params =~ /(?:(\w+)=)?(?:"([^"]+)"|(\S+))(?:\s+|$)/g) {
+				if (defined $1) {
+					push @params, $1, (defined $2 ? $2 : $3);
+				}
+				else {
+					push @params, (defined $2 ? $2 : $3), '';
+				}
 			}
-			$commands{$command}->($page, %params);
+			return $hooks{preprocess}{$command}{call}->(
+				@params,
+				page => $page,
+				destpage => $destpage,
+			);
 		}
 		else {
-			"[[bad directive $command]]";
+			return "[[$command not processed]]";
 		}
 	};
 	
@@ -115,188 +127,86 @@ sub postprocess { #{{{
 	return $content;
 } #}}}
 
-sub blog_list ($$) { #{{{
-	my $globlist=shift;
-	my $maxitems=shift;
-	
-	my @list;
-	foreach my $page (keys %pagesources) {
-		if (globlist_match($page, $globlist)) {
-			push @list, $page;
-		}
-	}
-
-	@list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
-	return @list if ! $maxitems || @list <= $maxitems;
-	return @list[0..$maxitems - 1];
-} #}}}
-
-sub get_inline_content ($$) { #{{{
-	my $parentpage=shift;
+sub add_depends ($$) { #{{{
 	my $page=shift;
+	my $globlist=shift;
 	
-	my $file=$pagesources{$page};
-	my $type=pagetype($file);
-	if ($type ne 'unknown') {
-		return htmlize($type, linkify(readfile("$config{srcdir}/$file"), $parentpage));
+	if (! exists $depends{$page}) {
+		$depends{$page}=$globlist;
 	}
 	else {
-		return "";
+		$depends{$page}=globlist_merge($depends{$page}, $globlist);
 	}
-} #}}}
+} # }}}
+
+sub globlist_merge ($$) { #{{{
+	my $a=shift;
+	my $b=shift;
 
-sub postprocess_html_inline { #{{{
-	my $parentpage=shift;
-	my %params=@_;
-	
-	if (! exists $params{pages}) {
-		return "";
-	}
-	if (! exists $params{archive}) {
-		$params{archive}="no";
-	}
-	if (! exists $params{show} && $params{archive} eq "no") {
-		$params{show}=10;
-	}
-	$inlinepages{$parentpage}=$params{pages};
-		
-	my $template=HTML::Template->new(blind_cache => 1,
-		filename => (($params{archive} eq "no") 
-				? "$config{templatedir}/inlinepage.tmpl"
-				: "$config{templatedir}/inlinepagetitle.tmpl"));
-	
 	my $ret="";
-	foreach my $page (blog_list($params{pages}, $params{show})) {
-		next if $page eq $parentpage;
-		$template->param(pagelink => htmllink($parentpage, $page));
-		$template->param(content => get_inline_content($parentpage, $page))
-			if $params{archive} eq "no";
-		$template->param(ctime => scalar(gmtime($pagectime{$page})));
-		$ret.=$template->output;
+	# Only add negated globs if they are not matched by the other globlist.
+	foreach my $i ((map { [ $a, $_ ] } split(" ", $b)), 
+	               (map { [ $b, $_ ] } split(" ", $a))) {
+		if ($i->[1]=~/^!(.*)/) {
+			if (! globlist_match($1, $i->[0])) {
+				$ret.=" ".$i->[1];
+			}
+		}
+		else {
+			$ret.=" ".$i->[1];
+		}
 	}
 	
 	return $ret;
 } #}}}
 
 sub genpage ($$$) { #{{{
-	my $content=shift;
 	my $page=shift;
+	my $content=shift;
 	my $mtime=shift;
 
-	$content = postprocess($page, $content, inline => \&postprocess_html_inline);
-	
-	my $title=pagetitle(basename($page));
-	
-	my $template=HTML::Template->new(blind_cache => 1,
-		filename => "$config{templatedir}/page.tmpl");
-	
+	my $template=template("page.tmpl", blind_cache => 1);
+	my $actions=0;
+
 	if (length $config{cgiurl}) {
-		$template->param(editurl => "$config{cgiurl}?do=edit&page=$page");
-		$template->param(prefsurl => "$config{cgiurl}?do=prefs");
+		$template->param(editurl => cgiurl(do => "edit", page => $page));
+		$template->param(prefsurl => cgiurl(do => "prefs"));
 		if ($config{rcs}) {
-			$template->param(recentchangesurl => "$config{cgiurl}?do=recentchanges");
+			$template->param(recentchangesurl => cgiurl(do => "recentchanges"));
 		}
+		$actions++;
 	}
 
 	if (length $config{historyurl}) {
 		my $u=$config{historyurl};
 		$u=~s/\[\[file\]\]/$pagesources{$page}/g;
 		$template->param(historyurl => $u);
+		$actions++;
+	}
+	if ($config{discussion}) {
+		$template->param(discussionlink => htmllink($page, $page, "Discussion", 1, 1));
+		$actions++;
 	}
 
-	if ($config{rss}) {
-		$template->param(rssurl => rsspage($page));
+	if ($actions) {
+		$template->param(have_actions => 1);
 	}
-	
+
 	$template->param(
-		title => $title,
+		title => $page eq 'index' 
+			? $config{wikiname} 
+			: pagetitle(basename($page)),
 		wikiname => $config{wikiname},
 		parentlinks => [parentlinks($page)],
 		content => $content,
 		backlinks => [backlinks($page)],
-		discussionlink => htmllink($page, "Discussion", 1, 1),
-		mtime => scalar(gmtime($mtime)),
+		mtime => displaytime($mtime),
+		styleurl => styleurl($page),
 	);
-	
-	return $template->output;
-} #}}}
-
-sub date_822 ($) { #{{{
-	my $time=shift;
-
-	eval q{use POSIX};
-	return POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
-} #}}}
-
-sub absolute_urls ($$) { #{{{
-	# sucky sub because rss sucks
-	my $content=shift;
-	my $url=shift;
-
-	$url=~s/[^\/]+$//;
-	
-	$content=~s/<a\s+href="(?!http:\/\/)([^"]+)"/<a href="$url$1"/ig;
-	$content=~s/<img\s+src="(?!http:\/\/)([^"]+)"/<img src="$url$1"/ig;
-	return $content;
-} #}}}zo
 
-sub genrss ($$$) { #{{{
-	my $content=shift;
-	my $page=shift;
-	my $mtime=shift;
-	
-	my $url="$config{url}/".htmlpage($page);
-	
-	my $template=HTML::Template->new(blind_cache => 1,
-		filename => "$config{templatedir}/rsspage.tmpl");
-	
-	my @items;
-	my $isblog=0;
-	my $gen_blog=sub {
-		my $parentpage=shift;
-		my %params=@_;
-		
-		return "" if exists $params{archive} && $params{archive} eq 'yes';
-		
-		if (! exists $params{show}) {
-			$params{show}=10;
-		}
-		if (! exists $params{pages}) {
-			return "";
-		}
-		$inlinepages{$parentpage}=$params{pages};
-		
-		$isblog=1;
-		foreach my $page (blog_list($params{pages}, $params{show})) {
-			next if $page eq $parentpage;
-			push @items, {
-				itemtitle => pagetitle(basename($page)),
-				itemurl => "$config{url}/$renderedfiles{$page}",
-				itempubdate => date_822($pagectime{$page}),
-				itemcontent => absolute_urls(get_inline_content($parentpage, $page), $url),
-			} if exists $renderedfiles{$page};
-		}
-		
-		return "";
-	};
-	
-	$content = postprocess($page, $content, inline => $gen_blog);
-
-	# Regular page gets a feed that is updated every time the
-	# page is changed, so the mtime is encoded in the guid.
-	push @items, {
-		itemtitle => pagetitle(basename($page)),
-		itemguid => "$url?mtime=$mtime",
-		itemurl => $url,
-		itempubdate => date_822($mtime),
-		itemcontent => absolute_urls($content, $url),
-	} unless $isblog;
-	
-	$template->param(
-		title => $config{wikiname},
-		pageurl => $url,
-		items => \@items,
-	);
+	run_hooks(pagetemplate => sub {
+		shift->(page => $page, destpage => $page, template => $template);
+	});
 	
 	return $template->output;
 } #}}}
@@ -308,64 +218,85 @@ sub check_overwrite ($$) { #{{{
 	my $src=shift;
 	
 	if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
-		error("$dest already exists and was rendered from ".
-			join(" ",(grep { $renderedfiles{$_} eq $dest } keys
-				%renderedfiles)).
-			", before, so not rendering from $src");
+		error("$dest already exists and was not rendered from $src before");
 	}
 } #}}}
 
+sub displaytime ($) { #{{{
+	my $time=shift;
+
+	eval q{use POSIX};
+	# strftime doesn't know about encodings, so make sure
+	# its output is properly treated as utf8
+	return decode_utf8(POSIX::strftime(
+			$config{timeformat}, localtime($time)));
+} #}}}
+
 sub mtime ($) { #{{{
-	my $page=shift;
+	my $file=shift;
 	
-	return (stat($page))[9];
+	return (stat($file))[9];
 } #}}}
 
 sub findlinks ($$) { #{{{
-	my $content=shift;
 	my $page=shift;
+	my $content=shift;
 
 	my @links;
 	while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
-		push @links, lc($1);
+		push @links, titlepage($2);
+	}
+	if ($config{discussion}) {
+		# Discussion links are a special case since they're not in the
+		# text of the page, but on its template.
+		return @links, "$page/discussion";
+	}
+	else {
+		return @links;
 	}
-	# Discussion links are a special case since they're not in the text
-	# of the page, but on its template.
-	return @links, "$page/discussion";
 } #}}}
 
+sub filter ($$) {
+	my $page=shift;
+	my $content=shift;
+
+	run_hooks(filter => sub {
+		$content=shift->(page => $page, content => $content);
+	});
+
+	return $content;
+}
+
 sub render ($) { #{{{
 	my $file=shift;
 	
 	my $type=pagetype($file);
-	my $content=readfile("$config{srcdir}/$file");
-	if ($type ne 'unknown') {
+	my $srcfile=srcfile($file);
+	if (defined $type) {
+		my $content=readfile($srcfile);
 		my $page=pagename($file);
+		delete $depends{$page};
 		
-		$links{$page}=[findlinks($content, $page)];
-		delete $inlinepages{$page};
+		$content=filter($page, $content);
 		
-		$content=linkify($content, $page);
+		$links{$page}=[findlinks($page, $content)];
+		
+		$content=linkify($page, $page, $content);
+		$content=preprocess($page, $page, $content);
 		$content=htmlize($type, $content);
 		
 		check_overwrite("$config{destdir}/".htmlpage($page), $page);
-		writefile("$config{destdir}/".htmlpage($page),
-			genpage($content, $page, mtime("$config{srcdir}/$file")));
+		writefile(htmlpage($page), $config{destdir},
+			genpage($page, $content, mtime($srcfile)));
 		$oldpagemtime{$page}=time;
 		$renderedfiles{$page}=htmlpage($page);
-
-		# TODO: should really add this to renderedfiles and call
-		# check_overwrite, as above, but currently renderedfiles
-		# only supports listing one file per page.
-		if ($config{rss}) {
-			writefile("$config{destdir}/".rsspage($page),
-				genrss($content, $page, mtime("$config{srcdir}/$file")));
-		}
 	}
 	else {
+		my $content=readfile($srcfile, 1);
 		$links{$file}=[];
+		delete $depends{$file};
 		check_overwrite("$config{destdir}/$file", $file);
-		writefile("$config{destdir}/$file", $content);
+		writefile($file, $config{destdir}, $content, 1);
 		$oldpagemtime{$file}=time;
 		$renderedfiles{$file}=$file;
 	}
@@ -389,10 +320,9 @@ sub refresh () { #{{{
 	find({
 		no_chdir => 1,
 		wanted => sub {
+			$_=decode_utf8($_);
 			if (/$config{wiki_file_prune_regexp}/) {
-				no warnings 'once';
 				$File::Find::prune=1;
-				use warnings "all";
 			}
 			elsif (! -d $_ && ! -l $_) {
 				my ($f)=/$config{wiki_file_regexp}/; # untaint
@@ -407,6 +337,31 @@ sub refresh () { #{{{
 			}
 		},
 	}, $config{srcdir});
+	find({
+		no_chdir => 1,
+		wanted => sub {
+			$_=decode_utf8($_);
+			if (/$config{wiki_file_prune_regexp}/) {
+				$File::Find::prune=1;
+			}
+			elsif (! -d $_ && ! -l $_) {
+				my ($f)=/$config{wiki_file_regexp}/; # untaint
+				if (! defined $f) {
+					warn("skipping bad filename $_\n");
+				}
+				else {
+					# Don't add files that are in the
+					# srcdir.
+					$f=~s/^\Q$config{underlaydir}\E\/?//;
+					if (! -e "$config{srcdir}/$f" && 
+					    ! -l "$config{srcdir}/$f") {
+						push @files, $f;
+						$exists{pagename($f)}=1;
+					}
+				}
+			}
+		},
+	}, $config{underlaydir});
 
 	my %rendered;
 
@@ -419,7 +374,12 @@ sub refresh () { #{{{
 			push @add, $file;
 			$links{$page}=[];
 			$pagesources{$page}=$file;
-			$pagectime{$page}=time unless exists $pagectime{$page};
+			if ($config{getctime} && -e "$config{srcdir}/$file") {
+				$pagectime{$page}=rcs_getctime("$config{srcdir}/$file");
+			}
+			elsif (! exists $pagectime{$page}) {
+				$pagectime{$page}=mtime(srcfile($file));
+			}
 		}
 	}
 	my @del;
@@ -439,8 +399,9 @@ sub refresh () { #{{{
 		my $page=pagename($file);
 		
 		if (! exists $oldpagemtime{$page} ||
-		    mtime("$config{srcdir}/$file") > $oldpagemtime{$page}) {
-		    	debug("rendering changed file $file");
+		    mtime(srcfile($file)) > $oldpagemtime{$page} ||
+	    	    $forcerebuild{$page}) {
+		    	debug("rendering $file");
 			render($file);
 			$rendered{$file}=1;
 		}
@@ -469,30 +430,36 @@ FILE:		foreach my $file (@files) {
 	}
 
 	# Handle backlinks; if a page has added/removed links, update the
-	# pages it links to. Also handle inlining here.
+	# pages it links to. Also handles rebuilding dependant pages.
 	# TODO: inefficient; pages may get rendered above and again here;
 	# problem is the backlinks could be wrong in the first pass render
 	# above
 	if (%rendered || @del) {
+		foreach my $f (@files) {
+			my $p=pagename($f);
+			if (exists $depends{$p}) {
+				foreach my $file (keys %rendered, @del) {
+					next if $f eq $file;
+					my $page=pagename($file);
+					if (globlist_match($page, $depends{$p})) {
+						debug("rendering $f, which depends on $page");
+						render($f);
+						$rendered{$f}=1;
+						last;
+					}
+				}
+			}
+		}
+		
 		my %linkchanged;
 		foreach my $file (keys %rendered, @del) {
 			my $page=pagename($file);
 			
-			foreach my $f (@files) {
-				my $p=pagename($f);
-				if (exists $inlinepages{$p} && 
-				    globlist_match($page, $inlinepages{$p})) {
-					debug("rendering $f, which inlines $page");
-					render($f);
-					next;
-				}
-			}
-			
 			if (exists $links{$page}) {
 				foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
 					if (length $link &&
-					    ! exists $oldlinks{$page} ||
-					    ! grep { $_ eq $link } @{$oldlinks{$page}}) {
+					    (! exists $oldlinks{$page} ||
+					     ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
 						$linkchanged{$link}=1;
 					}
 				}
@@ -500,8 +467,8 @@ FILE:		foreach my $file (@files) {
 			if (exists $oldlinks{$page}) {
 				foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
 					if (length $link &&
-					    ! exists $links{$page} ||
-					    ! grep { $_ eq $link } @{$links{$page}}) {
+					    (! exists $links{$page} || 
+					     ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
 						$linkchanged{$link}=1;
 					}
 				}
@@ -512,9 +479,17 @@ FILE:		foreach my $file (@files) {
 			if (defined $linkfile) {
 				debug("rendering $linkfile, to update its backlinks");
 				render($linkfile);
+				$rendered{$linkfile}=1;
 			}
 		}
 	}
+
+	if (@del) {
+		run_hooks(delete => sub { shift->(@del) });
+	}
+	if (%rendered) {
+		run_hooks(change => sub { shift->(keys %rendered) });
+	}
 } #}}}
 
 1