require 'ffi'

module CMark
  extend FFI::Library
  ffi_lib ['libcmark', 'cmark']
  typedef :pointer, :node
  enum :node_type, [:document, :blockquote, :list, :list_item,
                    :fenced_code, :indented_code, :html, :paragraph,
                    :atx_header, :setext_header, :hrule, :reference_def,
                    :str, :softbreak, :linebreak, :code, :inline_html,
                    :emph, :strong, :link, :image]

  attach_function :cmark_free_nodes, [:node], :void
  attach_function :cmark_node_unlink, [:node], :void

  attach_function :cmark_markdown_to_html, [:string, :int], :string
  attach_function :cmark_parse_document, [:string, :int], :node
  attach_function :cmark_node_first_child, [:node], :node
  attach_function :cmark_node_parent, [:node], :node
  attach_function :cmark_node_next, [:node], :node
  attach_function :cmark_node_previous, [:node], :node
  attach_function :cmark_node_get_type, [:node], :node_type
  attach_function :cmark_node_get_string_content, [:node], :string

  class Node
    attr_accessor :type, :children, :string_content
    def initialize(pointer)
      if pointer.null?
        return nil
      end
      @pointer = pointer
      @type = CMark::cmark_node_get_type(pointer)
      @children = []
      first_child = CMark::cmark_node_first_child(pointer)
      b = first_child
      while !b.null?
        @children << Node.new(b)
        b = CMark::cmark_node_next(b)
      end
      @string_content = CMark::cmark_node_get_string_content(pointer)
      # Free?
    end

    def print
      printf("%s\n", self.type)
      if self.string_content
        printf("'%s'\n", self.string_content)
      end
      for child in self.children do
        child.print
      end
    end

    def self.from_markdown(s)
      len = s.bytes.length
      Node.new(CMark::cmark_parse_document(s, len))
    end
  end

end

doc = CMark::Node.from_markdown(STDIN.read())
doc.print

# def markdown_to_html(s)
#   len = s.bytes.length
#   CMark::cmark_markdown_to_html(s, len)
# end
# print markdown_to_html(STDIN.read())
put type='hidden' name='h' value='master'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/notmuch/commit/?h=master'>root</a>/<a href='/notmuch/commit/tags?h=master'>tags</a>/<a href='/notmuch/commit/tags/f6?h=master'>f6</a>/<a href='/notmuch/commit/tags/f6/00?h=master'>00</a>/<a href='/notmuch/commit/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net?h=master'>mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net</a>/<a href='/notmuch/commit/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master'>sugar</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='master'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jonas Smedegaard &lt;dr@jones.dk&gt;</td><td class='right'>2023-06-27 09:35:08 +0200</td></tr>
<tr><th>committer</th><td>Jonas Smedegaard &lt;dr@jones.dk&gt;</td><td class='right'>2023-06-27 09:35:08 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/notmuch/commit/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master&amp;id=fd54908da2b05c526dd3bee9b6dcd093214a220d'>fd54908da2b05c526dd3bee9b6dcd093214a220d</a> (<a href='/notmuch/patch/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?id=fd54908da2b05c526dd3bee9b6dcd093214a220d'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/notmuch/tree/?h=master'>c69c845069c99d1d01044f6fafda7c08433329c6</a> /<a href='/notmuch/tree/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master'>tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/notmuch/commit/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master&amp;id=ba46132213560cf3335d53560d519c0ec0190da2'>ba46132213560cf3335d53560d519c0ec0190da2</a> (<a href='/notmuch/diff/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master&amp;id2=ba46132213560cf3335d53560d519c0ec0190da2'>diff</a>)</td></tr></table>
<div class='commit-subject'><span class='decoration'><a class='branch-deco' href='/notmuch/log/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master'>master</a></span></div><div class='commit-msg'></div><div class='diffstat-header'><a href='/notmuch/diff/?h=master'>Diffstat</a> (limited to 'tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar')</div><table summary='diffstat' class='diffstat'><tr><td class='mode'>-rw-r--r--</td><td class='add'><a href='/notmuch/diff/tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar?h=master'>tags/f6/00/mailman.64.1653202802.4085.pkg-sugar-devel@alioth-lists.debian.net/sugar</a></td><td class='right'>0</td><td class='graph'><table summary='file diffstat' width='0%'><tr><td class='add' style='width: -nan%;'/><td class='rem' style='width: -nan%;'/><td class='none' style='width: -nan%;'/></tr></table></td></tr>
</table><div class='diffstat-summary'>1 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td>