From 107145e0c638097a63731c2e5289b74e4c98d9bc Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Wed, 6 Oct 2010 06:33:45 -0400
Subject: [PATCH] Update org.pm plugin for IkiWiki 3.00.

Also replace string postprocessing with org-export-... configuration.
---
 IkiWiki/Plugin/org.pm | 127 ++++++++++++++++++++++++------------------
 1 file changed, 72 insertions(+), 55 deletions(-)

diff --git a/IkiWiki/Plugin/org.pm b/IkiWiki/Plugin/org.pm
index 36e269280..5ddfdfe4d 100644
--- a/IkiWiki/Plugin/org.pm
+++ b/IkiWiki/Plugin/org.pm
@@ -1,68 +1,85 @@
 #!/usr/bin/perl
-# File: org.pm
-# Time-stamp: <2008-06-08 23:12:20 srivasta>
-#
-# Copyright (C) 2008 by Manoj Srivastava
-#
-# Author: Manoj Srivastava
-#
-# Description:
-# This allows people to write Ikiwiki content using Emacs and org-mode
-# (requires Emacs 23), and uses the html export facility of org-mode to
-# create the output. Some bits based on otl.pm.
-# Here is the code: org.pm
-
+# Emacs org-mode markup language.
 package IkiWiki::Plugin::org;
+
 use warnings;
 use strict;
-use Carp;
-use IkiWiki 2.00;
+use File::Temp;
+use IkiWiki 3.00;
 
-use File::Temp qw/ tempfile tempdir /;
+sub import {
+	hook(type => "getsetup", id => "org", call => \&getsetup);
+	hook(type => "checkconfig", id => "org", call => \&checkconfig);
+	hook(type => "htmlize", id => "org", call => \&htmlize);
+}
 
-# ------------------------------------------------------------
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => 1, # format plugin
+			section => "format",
+		},
+		emacs_path => {
+			type => "string",
+			example => 0,
+			description => "path to an external emacs binary",
+			safe => 0,
+			rebuild => undef,
+		},
+		emacs_org_options => {
+			type => "string",
+			example => 0,
+			description => "emacs options to convert org-mode to html.  The string 'FILE' will be replaced with the input filename.",
+			safe => 0,
+			rebuild => undef,
+		},
+}
 
-sub import {
-  hook(type => "htmlize", id => "org", call => \&htmlize);
-} #
+sub checkconfig () {
+	if (! defined $config{emacs_path}) {
+		$config{emacs_path}="/usr/bin/emacs";
+	}
+	debug("Emacs: $config{emacs_path}");
+	if (! defined $config{emacs_org_options}) {
+		# See http://orgmode.org/org.html#Publishing-options
+		$config{emacs_org_options}='--batch '.
+			'--load org '. # =$HOME/lib/emacs/org.el
+			'--eval "(setq '.
+				"org-export-author-info 'nil ".
+				"org-export-headline-levels 3 ".
+				"org-export-html-preamble 'nil ".
+				"org-export-html-postamble 'nil ".
+				"org-export-with-toc 'nil ".
+				"org-export-skip-text-before-1st-heading t ".
+			')" '.
+			"--visit FILE ".
+			q{--eval "(org-export-as-html-to-buffer 'nil)" }.
+			q{--eval '(set-visited-file-name "/dev/stdout")' }.
+			'--funcall save-buffer ';
+	}
+}
 
+my $tempdir;
 sub htmlize (@) {
-  my %params  = @_;
-  my $dir     = File::Temp->newdir();
-
+	my $args = "$config{emacs_path} $config{emacs_org_options}";
+	my %params = @_;
+	my $fh;
+	my $filename;
 
+	if (! defined $tempdir) {
+	    $tempdir = File::Temp::tempdir( CLEANUP => 1 );
+	}
+	($fh, $filename) = File::Temp::tempfile( DIR => $tempdir, SUFFIX => '.org' );
+	binmode ($fh, ':utf8');
+	print $fh "$params{content}\n";
+	close($fh);
 
-  my $ret = open(INPUT, ">$dir/contents.org");
-  unless (defined $ret) {
-    debug("failed to open $dir/contents.org: $@");
-    return $params{content};
-  }
-  
-  print INPUT $params{content};
-  close INPUT;
-  my $args = '/usr/local/bin/emacs --batch -l org ' .
-              "--eval '(setq org-export-headline-levels 3 org-export-with-toc nil org-export-author-info nil )' " .
-              "--visit=$dir/contents.org " .
-              '--funcall org-export-as-html-batch >/dev/null 2>&1';
-  if (system($args)) {
-    debug("failed to convert $params{page}: $@");
-    return $params{content};
-  }
-  $ret = open(OUTPUT, "$dir/contents.html");
-  unless (defined $ret) {
-    debug("failed find html output for $params{page}: $@");
-    return $params{content};
-  }
-  local $/ = undef;
-  $ret = <OUTPUT>;
-  close OUTPUT;
-  $ret=~s/(.*<h1 class="title">){1}?//s;
-  $ret=~s/^(.*<\/h1>){1}?//s;
-  $ret=~s/<div id="postamble">.*//s;
-  $ret=~s/(<\/div>\s*$)//s;
-  
-  return $ret;
+	$args =~ s/FILE/$filename/g;
+	#$args =~ s/FILE/posts\/Git\/notes.org/g;
+	debug("Executing: $args");
+	my $content = `$args`;
+	return $content;
 }
 
-# ------------------------------------------------------------
-1; # modules have to return a true value
+1
-- 
2.26.2