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markright

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**The extended, configurable markdown-like syntax parser, that produces an AST.** Supports the full set of `markdown`, plus extensions (custom markup with a bit of elixir code to handle parsing.) The AST produced is understandable by [`XmlBuilder`](https://github.com/joshnuss/xml_builder).

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markright lib markright parsers link.ex
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lib/markright/parsers/link.ex 

defmodule Markright.Parsers.Link do

  @moduledoc ~S"""

  Parses the input for the link.



  ## Examples



      iex> "http://example.com Hello my] lovely world!" |> Markright.Parsers.Link.to_ast

      %Markright.Continuation{

        ast: {:a, %{href: "http://example.com"}, "Hello my"}, tail: " lovely world!"}

  """



  ##############################################################################



  @behaviour Markright.Parser



  use Markright.Continuation



  ##############################################################################



  def to_ast(input, %Plume{} = plume \\ %Plume{}) when is_binary(input) do

    with %Plume{ast: first, tail: rest} <- Markright.Parsers.Word.to_ast(input, plume),

         plume <- plume |> Plume.untail!,

         %Plume{ast: ast, tail: tail} <- astify(rest, plume) do

      {subinput, href} = case ast do

                           ["", link] -> {first, link}

                           [text, link] -> {first <> " " <> text, link}

                           text when is_binary(text) -> {String.trim(text), first}

                         end



      %Plume{ast: label, tail: ""} = apply(plume.bag[:parser], :to_ast, [subinput, plume])

      Plume.continue(%Plume{plume | ast: label, tail: tail}, {:a, %{href: href}})

    end

  end



  use Markright.Helpers.ImgLink



end