Class: Bunto::Converters::Markdown

Inherits:
Bunto::Converter show all
Defined in:
lib/bunto/converters/markdown.rb,
lib/bunto/converters/markdown/kramdown_parser.rb,
lib/bunto/converters/markdown/rdiscount_parser.rb

Defined Under Namespace

Classes: KramdownParser, RDiscountParser, RedcarpetParser

Constant Summary

Constants inherited from Plugin

Plugin::PRIORITIES

Instance Method Summary collapse

Methods inherited from Bunto::Converter

highlighter_prefix, #highlighter_prefix, highlighter_suffix, #highlighter_suffix, #initialize

Methods inherited from Plugin

#<=>, <=>, catch_inheritance, descendants, inherited, #initialize, priority, safe

Constructor Details

This class inherits a constructor from Bunto::Converter

Instance Method Details

#convert(content) ⇒ Object 



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# File 'lib/bunto/converters/markdown.rb', line 73

def convert(content)
  setup
  @parser.convert(content)
end

#extname_list ⇒ Object 



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# File 'lib/bunto/converters/markdown.rb', line 59

def extname_list
  @extname_list ||= @config["markdown_ext"].split(",").map do |e|
    ".#{e.downcase}"
  end
end

#get_processor ⇒ Object

Rubocop does not allow reader methods to have names starting with ‘get_` To ensure compatibility, this check has been disabled on this method

rubocop:disable Style/AccessorMethodName



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# File 'lib/bunto/converters/markdown.rb', line 29

def get_processor
  case @config["markdown"].downcase
  when "redcarpet" then return RedcarpetParser.new(@config)
  when "kramdown"  then return KramdownParser.new(@config)
  when "rdiscount" then return RDiscountParser.new(@config)
  else
    custom_processor
  end
end

#matches(ext) ⇒ Object 



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# File 'lib/bunto/converters/markdown.rb', line 65

def matches(ext)
  extname_list.include?(ext.downcase)
end

#output_ext(_ext) ⇒ Object 



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# File 'lib/bunto/converters/markdown.rb', line 69

def output_ext(_ext)
  ".html"
end

#setup ⇒ Object 



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# File 'lib/bunto/converters/markdown.rb', line 8

def setup
  return if @setup ||= false
  unless (@parser = get_processor)
    Bunto.logger.error "Invalid Markdown processor given:", @config["markdown"]
    if @config["safe"]
      Bunto.logger.info "", "Custom processors are not loaded in safe mode"
    end
    Bunto.logger.error(
      "",
      "Available processors are: #{valid_processors.join(", ")}"
    )
    raise Errors::FatalException, "Bailing out; invalid Markdown processor."
  end

  @setup = true
end

#third_party_processors ⇒ Object

Public: A list of processors that you provide via plugins. This is really only available if you are not in safe mode, if you are in safe mode (re: GitHub) then there will be none.



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# File 'lib/bunto/converters/markdown.rb', line 52

def third_party_processors
  self.class.constants - \
    %w(KramdownParser RDiscountParser RedcarpetParser PRIORITIES).map(
      &:to_sym
    )
end

#valid_processors ⇒ Object

Public: Provides you with a list of processors, the ones we support internally and the ones that you have provided to us (if you are not in safe mode.)



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# File 'lib/bunto/converters/markdown.rb', line 44

def valid_processors
  %W(rdiscount kramdown redcarpet) + third_party_processors
end