From 2076ed597c02bfede9063c3d40f4b855d4e8f8b8 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Mon, 25 Oct 2010 22:37:34 -0400
Subject: [PATCH] txt: Fix display when used inside a format directive.

txt's use of a format hook can't work in that case, so it needs to use a
htmlizeformat hook in this case to handle wrapping the text in pre tags.
---
 IkiWiki/Plugin/format.pm    | 24 ++++++++++++-----------
 IkiWiki/Plugin/highlight.pm |  6 +++---
 IkiWiki/Plugin/txt.pm       | 38 +++++++++++++++++++++++++++----------
 debian/changelog            |  6 ++++++
 4 files changed, 50 insertions(+), 24 deletions(-)

diff --git a/IkiWiki/Plugin/format.pm b/IkiWiki/Plugin/format.pm
index d54e71131..b596bc0a1 100644
--- a/IkiWiki/Plugin/format.pm
+++ b/IkiWiki/Plugin/format.pm
@@ -29,22 +29,24 @@ sub preprocess (@) {
 	if (! defined $format || ! defined $text) {
 		error(gettext("must specify format and text"));
 	}
+		
+	# Other plugins can register htmlizeformat hooks to add support
+	# for page types not suitable for htmlize, or that need special
+	# processing when included via format. Try them until one succeeds.
+	my $ret;
+	IkiWiki::run_hooks(htmlizeformat => sub {
+		$ret=shift->($format, $text)
+			unless defined $ret;
+	});
+
+	if (defined $ret) {
+		return $ret;
+	}
 	elsif (exists $IkiWiki::hooks{htmlize}{$format}) {
 		return IkiWiki::htmlize($params{page}, $params{destpage},
 		                        $format, $text);
 	}
 	else {
-		# Other plugins can register htmlizefallback
-		# hooks to add support for page types
-		# not suitable for htmlize. Try them until
-		# one succeeds.
-		my $ret;
-		IkiWiki::run_hooks(htmlizefallback => sub {
-			$ret=shift->($format, $text)
-				unless defined $ret;
-		});
-		return $ret if defined $ret;
-
 		error(sprintf(gettext("unsupported page format %s"), $format));
 	}
 }
diff --git a/IkiWiki/Plugin/highlight.pm b/IkiWiki/Plugin/highlight.pm
index d4ade0a7b..5674f0b4a 100644
--- a/IkiWiki/Plugin/highlight.pm
+++ b/IkiWiki/Plugin/highlight.pm
@@ -10,8 +10,8 @@ sub import {
 	hook(type => "getsetup", id => "highlight",  call => \&getsetup);
 	hook(type => "checkconfig", id => "highlight", call => \&checkconfig);
 	# this hook is used by the format plugin
-	hook(type => "htmlizefallback", id => "highlight", call =>
-		\&htmlizefallback);
+	hook(type => "htmlizeformat", id => "highlight", call =>
+		\&htmlizeformat);
 }
 
 sub getsetup () {
@@ -79,7 +79,7 @@ sub checkconfig () {
 	}
 }
 
-sub htmlizefallback {
+sub htmlizeformat {
 	my $format=lc shift;
 	my $langfile=ext2langfile($format);
 
diff --git a/IkiWiki/Plugin/txt.pm b/IkiWiki/Plugin/txt.pm
index 0d9a0b35b..fcfb68be9 100644
--- a/IkiWiki/Plugin/txt.pm
+++ b/IkiWiki/Plugin/txt.pm
@@ -17,6 +17,7 @@ sub import {
 	hook(type => "getsetup", id => "txt", call => \&getsetup);
 	hook(type => "filter", id => "txt", call => \&filter);
 	hook(type => "htmlize", id => "txt", call => \&htmlize);
+	hook(type => "htmlizeformat", id => "txt", call => \&htmlizeformat);
 
 	eval q{use URI::Find};
 	if (! $@) {
@@ -46,25 +47,42 @@ sub filter (@) {
 			will_render($params{page}, 'robots.txt');
 			writefile('robots.txt', $config{destdir}, $content);
 		}
-
-		encode_entities($content, "<>&");
-		if ($findurl) {
-			my $finder = URI::Find->new(sub {
-				my ($uri, $orig_uri) = @_;
-				return qq|<a href="$uri">$orig_uri</a>|;
-			});
-			$finder->find(\$content);
-		}
-		$content = "<pre>" . $content . "</pre>";
+		return txt2html($content);
 	}
 
 	return $content;
 }
 
+sub txt2html ($) {
+	my $content=shift;
+	
+	encode_entities($content, "<>&");
+	if ($findurl) {
+		my $finder = URI::Find->new(sub {
+			my ($uri, $orig_uri) = @_;
+			return qq|<a href="$uri">$orig_uri</a>|;
+		});
+		$finder->find(\$content);
+	}
+	return "<pre>" . $content . "</pre>";
+}
+
 # We need this to register the .txt file extension
 sub htmlize (@) {
 	my %params=@_;
 	return $params{content};
 }
 
+sub htmlizeformat ($$) {
+	my $format=shift;
+	my $content=shift;
+
+	if ($format eq 'txt') {
+		return txt2html($content);
+	}
+	else {
+		return;
+	}
+}
+
 1
diff --git a/debian/changelog b/debian/changelog
index b304e4b86..2857ec482 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ikiwiki (3.20101024) UNRELEASED; urgency=low
+
+  * txt: Fix display when used inside a format directive.
+
+ -- Joey Hess <joeyh@debian.org>  Mon, 25 Oct 2010 22:30:29 -0400
+
 ikiwiki (3.20101023) unstable; urgency=low
 
   * Fix typo that broke anonymous git push.
-- 
2.32.0.93.g670b81a890