diff options
| -rw-r--r-- | commonmark.rb | 90 |
1 files changed, 40 insertions, 50 deletions
diff --git a/commonmark.rb b/commonmark.rb index 0d7fa0e..06366c5 100644 --- a/commonmark.rb +++ b/commonmark.rb @@ -9,71 +9,61 @@ module CMark :atx_header, :setext_header, :hrule, :reference_def, :str, :softbreak, :linebreak, :code, :inline_html, :emph, :strong, :link, :image] - enum :node_type, [] + + 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 -end + attach_function :cmark_node_get_string_content, [:node], :string -def pointer_to_block(pointer) - if pointer.null? - raise NullPointer - else - node_type = CMark::cmark_node_get_type(pointer) - if node_type == 0 # document - children = [] - b = CMark::cmark_node_first_child(pointer) + 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 << pointer_to_block(b) + @children << Node.new(b) b = CMark::cmark_node_next(b) end - return Document.new(children) - elsif node_type == 7 # paragraph - return Paragraph.new("TODO") - else - raise UnknownNodeType, node_type + @string_content = CMark::cmark_node_get_string_content(pointer) + # Free? end - end -end -class Block - def initialize - end -end - -class Document < Block - attr_accessor :children - def initialize(children) - @children = children - end -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 -class Paragraph < Block - def initialize(inlines) - @contents = "inlines" # TODO - end - def to_html - "<p>" + @contents + "</p>" + def self.from_markdown(s) + len = s.bytes.length + Node.new(CMark::cmark_parse_document(s, len)) + end end -end -class Inline end -def parse_markdown(s) - len = s.bytes.length - pointer_to_block(CMark::cmark_parse_document(s, len)) -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 - -doc = parse_markdown(STDIN.read()) -doc.children.each do |b| - print(b) -end +# def markdown_to_html(s) +# len = s.bytes.length +# CMark::cmark_markdown_to_html(s, len) +# end # print markdown_to_html(STDIN.read()) |