X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/5591d621b90855beeb5460f0ac11279d19835699..282893be819eab14f3a2078f1741ec9c9ed363b1:/IkiWiki/Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 7d1e8ee53..5bc7f6ebb 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -1,12 +1,15 @@
+#!/usr/bin/perl
+
 package IkiWiki;
 
 use warnings;
 use strict;
 use File::Spec;
+use IkiWiki;
 
 sub linkify ($$) { #{{{
-	my $content=shift;
 	my $page=shift;
+	my $content=shift;
 
 	$content =~ s{(\\?)$config{wiki_link_regexp}}{
 		$2 ? ( $1 ? "[[$2|$3]]" : htmllink($page, titlepage($3), 0, 0, pagetitle($2)))
@@ -28,11 +31,19 @@ sub htmlize ($$) { #{{{
 	}
 	
 	if ($type eq '.mdwn') {
-		return Markdown::Markdown($content);
+		$content=Markdown::Markdown($content);
 	}
 	else {
 		error("htmlization of $type not supported");
 	}
+
+	if (exists $hooks{sanitize}) {
+		foreach my $id (keys %{$hooks{sanitize}}) {
+			$content=$hooks{sanitize}{$id}{call}->($content);
+		}
+	}
+	
+	return $content;
 } #}}}
 
 sub backlinks ($) { #{{{
@@ -80,35 +91,26 @@ sub parentlinks ($) { #{{{
 	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.
+sub preprocess ($$) { #{{{
 	my $page=shift;
 	my $content=shift;
-	my %commands=@_;
-	
+
 	my $handle=sub {
 		my $escape=shift;
 		my $command=shift;
 		my $params=shift;
 		if (length $escape) {
-			"[[$command $params]]";
+			return "[[$command $params]]";
 		}
-		elsif (exists $commands{$command}) {
+		elsif (exists $hooks{preprocess}{$command}) {
 			my %params;
 			while ($params =~ /(\w+)=\"([^"]+)"(\s+|$)/g) {
 				$params{$1}=$2;
 			}
-			$commands{$command}->($page, %params);
+			return $hooks{preprocess}{$command}{call}->(page => $page, %params);
 		}
 		else {
-			"[[bad directive $command]]";
+			return "[[$command not processed]]";
 		}
 	};
 	
@@ -116,86 +118,44 @@ 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 $ret="";
-	
-	if (exists $params{rootpage}) {
-		my $formtemplate=HTML::Template->new(blind_cache => 1,
-			filename => "$config{templatedir}/blogpost.tmpl");
-		$formtemplate->param(cgiurl => $config{cgiurl});
-		$formtemplate->param(rootpage => $params{rootpage});
-		my $form=$formtemplate->output;
-		$ret.=$form;
-	}
-	
-	my $template=HTML::Template->new(blind_cache => 1,
-		filename => (($params{archive} eq "no") 
-				? "$config{templatedir}/inlinepage.tmpl"
-				: "$config{templatedir}/inlinepagetitle.tmpl"));
-	
-	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 "</p>$ret<p>";
+	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,
@@ -214,18 +174,22 @@ sub genpage ($$$) { #{{{
 		$u=~s/\[\[file\]\]/$pagesources{$page}/g;
 		$template->param(historyurl => $u);
 	}
+	if ($config{discussion}) {
+		$template->param(discussionlink => htmllink($page, "Discussion", 1, 1));
+	}
 
-	if ($config{rss} && $inlinepages{$page}) {
-		$template->param(rssurl => rsspage(basename($page)));
+	if (exists $hooks{pagetemplate}) {
+		foreach my $id (keys %{$hooks{pagetemplate}}) {
+			$hooks{pagetemplate}{$id}{call}->($page, $template);
+		}
 	}
-	
+
 	$template->param(
 		title => $title,
 		wikiname => $config{wikiname},
 		parentlinks => [parentlinks($page)],
 		content => $content,
 		backlinks => [backlinks($page)],
-		discussionlink => htmllink($page, "Discussion", 1, 1),
 		mtime => scalar(gmtime($mtime)),
 		styleurl => styleurl($page),
 	);
@@ -233,73 +197,6 @@ sub genpage ($$$) { #{{{
 	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 ($$) { #{{{
-	# sucky sub because rss sucks
-	my $content=shift;
-	my $url=shift;
-
-	$url=~s/[^\/]+$//;
-	
-	$content=~s/<a\s+href="(?!http:\/\/)([^"]+)"/<a href="$url$1"/ig;
-	$content=~s/<img\s+src="(?!http:\/\/)([^"]+)"/<img src="$url$1"/ig;
-	return $content;
-} #}}}
-
-sub genrss ($$$) { #{{{
-	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=@_;
-		
-		if (! exists $params{show}) {
-			$params{show}=10;
-		}
-		if (! exists $params{pages}) {
-			return "";
-		}
-		
-		$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);
-
-	$template->param(
-		title => $config{wikiname},
-		pageurl => $url,
-		items => \@items,
-	);
-	
-	return $template->output;
-} #}}}
-
 sub check_overwrite ($$) { #{{{
 	# Important security check. Make sure to call this before saving
 	# any files to the source directory.
@@ -321,50 +218,60 @@ sub mtime ($) { #{{{
 } #}}}
 
 sub findlinks ($$) { #{{{
-	my $content=shift;
 	my $page=shift;
+	my $content=shift;
 
 	my @links;
 	while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
 		push @links, titlepage($2);
 	}
-	# Discussion links are a special case since they're not in the text
-	# of the page, but on its template.
-	return @links, "$page/discussion";
+	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;
+	}
 } #}}}
 
 sub render ($) { #{{{
 	my $file=shift;
 	
 	my $type=pagetype($file);
-	my $content=readfile("$config{srcdir}/$file");
+	my $srcfile=srcfile($file);
 	if ($type ne 'unknown') {
+		my $content=readfile($srcfile);
 		my $page=pagename($file);
+		delete $depends{$page};
+		
+		if (exists $hooks{filter}) {
+			foreach my $id (keys %{$hooks{filter}}) {
+				$content=$hooks{filter}{$id}{call}->(
+					page => $page,
+					content => $content
+				);
+			}
+		}
 		
-		$links{$page}=[findlinks($content, $page)];
-		delete $inlinepages{$page};
+		$links{$page}=[findlinks($page, $content)];
 		
-		$content=linkify($content, $page);
+		$content=linkify($page, $content);
+		$content=preprocess($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} && exists $inlinepages{$page}) {
-			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}=$file;
 	}
@@ -389,9 +296,7 @@ sub refresh () { #{{{
 		no_chdir => 1,
 		wanted => sub {
 			if (/$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
@@ -406,6 +311,30 @@ sub refresh () { #{{{
 			}
 		},
 	}, $config{srcdir});
+	find({
+		no_chdir => 1,
+		wanted => sub {
+			if (/$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;
 
@@ -418,7 +347,7 @@ sub refresh () { #{{{
 			push @add, $file;
 			$links{$page}=[];
 			$pagesources{$page}=$file;
-			$pagectime{$page}=mtime("$config{srcdir}/$file") 
+			$pagectime{$page}=mtime(srcfile($file))
 				unless exists $pagectime{$page};
 		}
 	}
@@ -439,7 +368,7 @@ sub refresh () { #{{{
 		my $page=pagename($file);
 		
 		if (! exists $oldpagemtime{$page} ||
-		    mtime("$config{srcdir}/$file") > $oldpagemtime{$page}) {
+		    mtime(srcfile($file)) > $oldpagemtime{$page}) {
 		    	debug("rendering changed file $file");
 			render($file);
 			$rendered{$file}=1;
@@ -469,19 +398,21 @@ 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 dependat 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 $inlinepages{$p}) {
+			if (exists $depends{$p}) {
 				foreach my $file (keys %rendered, @del) {
+					next if $f eq $file;
 					my $page=pagename($file);
-					if (globlist_match($page, $inlinepages{$p})) {
-						debug("rendering $f, which inlines $page");
+					if (globlist_match($page, $depends{$p})) {
+						debug("rendering $f, which depends on $page");
 						render($f);
+						$rendered{$f}=1;
 						last;
 					}
 				}
@@ -495,8 +426,8 @@ FILE:		foreach my $file (@files) {
 			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;
 					}
 				}
@@ -504,8 +435,8 @@ 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;
 					}
 				}
@@ -516,9 +447,21 @@ FILE:		foreach my $file (@files) {
 			if (defined $linkfile) {
 				debug("rendering $linkfile, to update its backlinks");
 				render($linkfile);
+				$rendered{$linkfile}=1;
 			}
 		}
 	}
+
+	if (@del && exists $hooks{delete}) {
+		foreach my $id (keys %{$hooks{delete}}) {
+			$hooks{delete}{$id}{call}->(@del);
+		}
+	}
+	if (%rendered && exists $hooks{change}) {
+		foreach my $id (keys %{$hooks{change}}) {
+			$hooks{change}{$id}{call}->(keys %rendered);
+		}
+	}
 } #}}}
 
 1