Class: Kramdown::Converter::PlainText

Inherits:
Base
  • Object
show all
Defined in:
lib/liquid_markdown/converter/plain_text.rb

Overview

Converts tree to plain text. Removes all formatting and attributes. This converter can be used to generate clean text for use in meta tags, plain text emails, etc.

Instance Method Summary collapse

Constructor Details

#initialize(root, options) ⇒ PlainText

Returns a new instance of PlainText.



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 30

def initialize(root, options)
  super
  @plain_text = '' # bin for plain text
end

Instance Method Details

#convert(el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 35

def convert(el)
  type = el.type
  category = ::Kramdown::Element.category(el)

  @plain_text << convert_type(type, el) if TEXT_TYPES.include?(type)
  @plain_text << "\n" if category == :block

  el.children.each { |e| convert(e) }

  @plain_text.strip if type == :root
end

#convert_entity(el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 55

def convert_entity(el)
  el.value.char
end

#convert_smart_quote(el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 59

def convert_smart_quote(el)
  smart_quote_entity(el).char
end

#convert_text(el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 51

def convert_text(el)
  el.value
end

#convert_type(type, el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 47

def convert_type(type, el)
  send("convert_#{type}", el)
end

#convert_typographic_sym(el) ⇒ Object 



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# File 'lib/liquid_markdown/converter/plain_text.rb', line 63

def convert_typographic_sym(el)
  ::Kramdown::Converter::Html::TYPOGRAPHIC_SYMS[el.value]
      .map(&:char)
      .join('')
end