diff options
| -rwxr-xr-x | commonmark.rb | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/commonmark.rb b/commonmark.rb index f52f082..dca7a3c 100755 --- a/commonmark.rb +++ b/commonmark.rb @@ -36,7 +36,7 @@ module CMark end class Node - attr_accessor :type, :children, :string_content, :header_level, + attr_accessor :type, :children, :parent, :string_content, :header_level, :list_type, :list_start, :list_tight, :url, :title def initialize(pointer) if pointer.null? @@ -45,10 +45,13 @@ class Node @pointer = pointer @type = CMark::cmark_node_get_type(pointer) @children = [] + @parent = nil first_child = CMark::cmark_node_first_child(pointer) b = first_child while !b.null? - @children << Node.new(b) + child = Node.new(b) + child.parent = self + @children << child b = CMark::cmark_node_next(b) end @string_content = CMark::cmark_node_get_string_content(pointer) @@ -71,6 +74,13 @@ class Node end end + def walk(&blk) + yield self + self.children.each do |child| + child.walk(&blk) + end + end + def self.parse_string(s) Node.new(CMark::cmark_parse_document(s, s.bytesize)) end @@ -80,6 +90,7 @@ class Node self.parse_string(s) end + protected def free CMark::cmark_free_nodes(@pointer) end @@ -324,6 +335,13 @@ class HtmlRenderer < Renderer end doc = Node.parse_file(ARGF) +doc.walk do |node| + if node.type == :link + printf("URL = %s\n", node.url) + printf("parent is %s\n", node.parent.type) + end +end + renderer = HtmlRenderer.new(STDOUT) renderer.render(doc) renderer.warnings.each do |w| |