Class: Bridgetown::Converters::Markdown

Inherits:
Bridgetown::Converter show all
Defined in:
bridgetown-core/lib/bridgetown-core/converters/markdown.rb,
bridgetown-core/lib/bridgetown-core/converters/markdown/kramdown_parser.rb

Overview

Markdown converter. For more info on converters see https://bridgetownrb.com/docs/plugins/converters/

Defined Under Namespace

Classes: KramdownParser

Instance Method Summary collapse

Methods inherited from Bridgetown::Converter

input, #inspect, #line_start, #matches, #output_ext, support_slots, supports_slots?

Methods included from Prioritizable

#<=>, included

Constructor Details

#initialize(config = {}) ⇒ Markdown

Returns a new instance of Markdown.



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 10

def initialize(config = {})
  super

  self.class.input @config["markdown_ext"].split(",")
end

Instance Method Details

#convert(content, convertible = nil) ⇒ Object

Logic to do the content conversion.

content - String content of file (without front matter).

Returns a String of the converted content.



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 66

def convert(content, convertible = nil)
  setup
  if @cache
    @cache.getset(content) do
      @parser.convert(content)
    end
  else
    output = @parser.convert(content)
    if convertible && @parser.respond_to?(:extractions)
      convertible.data.markdown_extractions = @parser.extractions
    end
    output
  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 Naming/AccessorMethodName



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 37

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

#setup ⇒ Object 



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 16

def setup
  return if @setup ||= false

  unless (@parser = get_processor)
    Bridgetown.logger.error "Markdown processor:", "#{@config["markdown"].inspect} \
                            is not a valid Markdown processor."
    Bridgetown.logger.error "", "Available processors are: #{valid_processors.join(", ")}"
    Bridgetown.logger.error ""
    raise Errors::FatalException, "Invalid Markdown processor given: #{@config["markdown"]}"
  end

  unless @config.cache_markdown == false || @config.kramdown.input == "GFMExtractions"
    @cache = Bridgetown::Cache.new("Bridgetown::Converters::Markdown")
  end
  @setup = true
end

#third_party_processors ⇒ Object

Public: A list of processors that you provide via plugins.

Returns an array of symbols



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 57

def third_party_processors
  self.class.constants - [:KramdownParser, :PRIORITIES]
end

#valid_processors ⇒ Object

Public: Provides you with a list of processors comprised of the ones we support internally and the ones that you have provided to us

Returns an array of symbols.



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# File 'bridgetown-core/lib/bridgetown-core/converters/markdown.rb', line 50

def valid_processors
  [:kramdown] + third_party_processors
end