Class: Md

Inherits:
Gloo::Core::Obj
  • Object
show all
Defined in:
lib/md.rb

Constant Summary collapse

KEYWORD = 
'markdown'.freeze
KEYWORD_SHORT = 
'md'.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.md_2_html(md) ⇒ Object

Convert markdown to HTML using the Redcarpet markdown processor.



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# File 'lib/md.rb', line 119

def self.md_2_html( md )
  markdown = Redcarpet::Markdown.new( 
    Redcarpet::Render::HTML, 
    autolink: true, 
    fenced_code_blocks: true,
    tables: true, 
    strikethrough: true )
    
  return markdown.render( md )
end

.messages ⇒ Object

Get a list of message names that this object receives.



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# File 'lib/md.rb', line 57

def self.messages
  return super + %w[show render update_asset_path]
end

.short_typename ⇒ Object

The short name of the object type.



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# File 'lib/md.rb', line 23

def self.short_typename
  return KEYWORD_SHORT
end

.typename ⇒ Object

The name of the object type.



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# File 'lib/md.rb', line 16

def self.typename
  return KEYWORD
end

Instance Method Details

#line_count ⇒ Object

Get the number of lines of text.



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# File 'lib/md.rb', line 45

def line_count
  return value.split( "\n" ).count
end

#msg_render ⇒ Object

Render the markdown as HTML. Needs an optional parameter of where to put the rendered html. The html will be in ‘it’ as well.



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# File 'lib/md.rb', line 73

def msg_render
  html = MarkdownExt.render_extensions( value )
  html = Md.md_2_html( html )

  # Put the HTML in the optional parameter if one is given.
  if @params&.token_count&.positive?
    pn = Gloo::Core::Pn.new( @engine, @params.first )
    o = pn.resolve
    o.set_value html
  end

  # Put the HTML in it, in any case.
  @engine.heap.it.set_to html
end

#msg_show ⇒ Object

Show the markdown data in the terminal.



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# File 'lib/md.rb', line 64

def msg_show
  @engine.platform.show self.value
end

#msg_update_asset_path ⇒ Object

Update the asset path in the markdown. Take out leading relative path so that path starts at the asset root.



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# File 'lib/md.rb', line 93

def msg_update_asset_path
  data = self.value
  out_data = ""
  
  data.lines.each do |line|
    if line.include?( '![' ) && line.include?( '](') && line.include?( '/asset/')
      prefix = line[ 0, ( line.index( '](' ) + 2 ) ]
      suffix = line[ (line.index( '/asset/' )) .. -1 ]
      out_data << "#{prefix}#{suffix}"
    else
      out_data << line
    end
  end

  self.value = out_data
end

#multiline_value? ⇒ Boolean

Does this object support multi-line values? Initially only true for scripts.

Returns:

  • (Boolean) 


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# File 'lib/md.rb', line 38

def multiline_value?
  return false
end

#set_value(new_value) ⇒ Object

Set the value with any necessary type conversions.



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# File 'lib/md.rb', line 30

def set_value( new_value )
  self.value = new_value.to_s
end