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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 helpers flush.ex
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lib/markright/helpers/flush.ex 

defmodule Markright.Helpers.Flush do

  @moduledoc ~S"""

  Generic handler for flushes. Use as:



  ```elixir

  defmodule Markright.Parsers.Maillink do

    use Markright.Helpers.Flush tag: :br



    # the below code is redundant, this functions is generated by `use`,

    #   the snippet is here to provide a how-to, since `to_ast/3` is overridable

    def to_ast(...) when is_binary(input) do

      ...

    end

  end

  ```

  """

  defmacro __using__(opts) do

    quote bind_quoted: [opts: opts, module: __MODULE__] do

      @tag opts[:tag] || Markright.Utils.atomic_module_name(__MODULE__)

      @lead_and_handler opts[:lead_and_handler] || Markright.Syntax.get(Markright.Utils.atomic_module_name(module), opts[:lead] || @tag)

      case @lead_and_handler do

        {lead, handler} ->

          @lead lead

          @handler handler

        other -> raise Markright.Errors.UnexpectedFeature, value: other, expected: "{lead, handler} tuple"

      end



      use Markright.Helpers.Magnet, tag: @tag, attr: :empty, continuation: :empty, value: :empty

    end

  end

end