;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Mathieu Lirzin <mthl@openmailbox.org>
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages markdown)
  #:use-module (guix licenses)
  #:use-module (guix download)
  #:use-module (guix packages)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (guix build-system cmake)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages python)
  #:use-module (gnu packages web)
  #:use-module (gnu packages zip))

(define-public hoedown
  (package
    (name "hoedown")
    (version "3.0.7")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/hoedown/hoedown/archive/"
                                 version ".tar.gz"))
             (file-name (string-append name "-" version ".tar.gz"))
             (sha256
              (base32
               "0859dc2xjasd6kgkshi8mb20kbyw5sql1ln0hw3bfaf33qdh5dh1"))))
    (build-system gnu-build-system)
    (arguments
     '(#:make-flags (list "CC=gcc" (string-append "PREFIX=" %output))
       #:phases (modify-phases %standard-phases
                  (delete 'configure)) ; no configure script
       #:test-target "test"))
    (native-inputs
     `(("python" ,python-2)
       ("tidy" ,tidy)))
    (synopsis "Markdown processing library")
    (description "Hoedown is a standards compliant, fast, secure markdown
processing library written in C.")
    (home-page "https://github.com/hoedown/hoedown")
    (license expat)))

(define-public markdown
  (package
    (name "markdown")
    (version "1.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://daringfireball.net/projects/downloads/"
             (string-capitalize name) "_" version ".zip"))
       (sha256
        (base32 "0dq1pj91pvlwkv0jwcgdfpv6gvnxzrk3s8mnh7imamcclnvfj835"))))
    (build-system trivial-build-system)
    (arguments
     '(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((source (assoc-ref %build-inputs "source"))
               (out    (assoc-ref %outputs "out"))
               (perlbd (string-append (assoc-ref %build-inputs "perl") "/bin"))
               (unzip  (string-append (assoc-ref %build-inputs "unzip")
                                      "/bin/unzip")))
           (mkdir-p out)
           (with-directory-excursion out
             (system* unzip source)
             (mkdir "bin")
             (mkdir-p "share/doc")
             (rename-file "Markdown_1.0.1/Markdown.pl" "bin/markdown")
             (rename-file "Markdown_1.0.1/Markdown Readme.text"
                          "share/doc/README")
             (patch-shebang "bin/markdown" (list perlbd))
             (delete-file-recursively "Markdown_1.0.1"))))))
    (native-inputs `(("unzip" ,unzip)))
    (inputs `(("perl" ,perl)))
    (home-page "http://daringfireball.net/projects/markdown")
    (synopsis "Text-to-HTML conversion tool")
    (description
     "Markdown is a text-to-HTML conversion tool for web writers.  It allows
you to write using an easy-to-read, easy-to-write plain text format, then
convert it to structurally valid XHTML (or HTML).")
    (license (non-copyleft "file://License.text"
                           "See License.text in the distribution."))))

(define-public cmark
  (package
    (name "cmark")
    (version "0.26.1")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/jgm/cmark/archive/"
                                 version ".tar.gz"))
             (file-name (string-append name "-" version ".tar.gz"))
             (sha256
              (base32
               "1mpmcy4bbmc8m058zqs9dwx49lcfi7bdnfszsr9y66cwgylia1mm"))))
    (build-system cmake-build-system)
    (arguments
     '(#:test-target "test"))
    (native-inputs `(("python" ,python)))
    (synopsis "CommonMark Markdown reference implementation")
    (description "CommonMark is a strongly defined, highly compatible
specification of Markdown.  cmark is the C reference implementation of
CommonMark.  It provides @code{libcmark} shared library for parsing
CommonMark to an abstract syntax tree (AST) and rendering the document
as HTML, groff man, LaTeX, CommonMark, or an XML representation of the
AST.  The package also provides the command-line program @command{cmark}
for parsing and rendering CommonMark.")
    (home-page "http://commonmark.org")
    ;; cmark is distributed with a BSD-2 license, but some components are Expat
    ;; licensed. The CommonMark specification is Creative Commons CC-BY-SA 4.0
    ;; licensed. See 'COPYING' in the source distribution for more information.
    (license (list bsd-2 expat cc-by-sa4.0))))
