From a4d18c0c53263c2c25e60beeb84df62048e08953 Mon Sep 17 00:00:00 2001
From: Erik Edrosa <erik.edrosa@gmail.com>
Date: Mon, 1 Aug 2016 22:40:22 -0400
Subject: reader: Add commonmark support.

* haunt/reader/commonmark.scm: New file.
* Makefile.am (SOURCES): Add it.
* configure.ac: Check for guile-commonmark.
---
 Makefile.am                 |  8 ++++++++
 configure.ac                |  3 +++
 haunt/reader/commonmark.scm | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 haunt/reader/commonmark.scm

diff --git a/Makefile.am b/Makefile.am
index 06f2753..a5de973 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,7 @@
 ## Haunt --- Static site generator for GNU Guile
 ## Copyright © 2015 David Thompson <davet@gnu.org>
 ## Copyright © 2015 Mathieu Lirzin <mthl@gnu.org>
+## Copyright © 2016 Erik Edrosa <erik.edrosa@gmail.com>
 ##
 ## This file is part of Haunt.
 ##
@@ -70,6 +71,13 @@ SOURCES +=					\
 
 endif
 
+if HAVE_GUILE_COMMONMARK
+
+SOURCES +=					\
+  haunt/reader/commonmark.scm
+
+endif
+
 TESTS =						\
   tests/post.scm				\
   tests/utils.scm
diff --git a/configure.ac b/configure.ac
index a37eb95..1e20b4b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,4 +18,7 @@ dnl Guile-reader is needed for Skribe support
 GUILE_MODULE_AVAILABLE([have_guile_reader], [(system reader)])
 AM_CONDITIONAL([HAVE_GUILE_READER], [test "x$have_guile_reader" = "xyes"])
 
+GUILE_MODULE_AVAILABLE([have_guile_commonmark], [(commonmark)])
+AM_CONDITIONAL([HAVE_GUILE_COMMONMARK], [test "x$have_guile_commonmark" = "xyes"])
+
 AC_OUTPUT
diff --git a/haunt/reader/commonmark.scm b/haunt/reader/commonmark.scm
new file mode 100644
index 0000000..9dc4e8a
--- /dev/null
+++ b/haunt/reader/commonmark.scm
@@ -0,0 +1,37 @@
+;;; Haunt --- Static site generator for GNU Guile
+;;; Copyright © 2016 Erik Edrosa <erik.edrosa@gmail.com>
+;;;
+;;; This file is part of Haunt.
+;;;
+;;; Haunt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Haunt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Haunt.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; CommonMark post reader.
+;;
+;;; Code:
+
+(define-module (haunt reader commonmark)
+  #:use-module (commonmark)
+  #:use-module (haunt post)
+  #:use-module (haunt reader)
+  #:export (commonmark-reader))
+
+(define commonmark-reader
+  (make-reader (make-file-extension-matcher "md")
+               (lambda (file)
+                 (call-with-input-file file
+                   (lambda (port)
+                     (values (read-metadata-headers port)
+                             (commonmark->sxml port)))))))
-- 
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