Class: Qiita::Markdown::Filters::CodeBlock::Metadata

Inherits:
Object
  • Object
show all
Defined in:
lib/qiita/markdown/filters/code_block.rb

Overview

Detects language from code block metadata.

Instance Method Summary collapse

Constructor Details

#initialize(text) ⇒ Metadata

Returns a new instance of Metadata.

Parameters:

  • text (String, nil) 


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# File 'lib/qiita/markdown/filters/code_block.rb', line 45

def initialize(text)
  @text = text
end

Instance Method Details

#filename ⇒ String?

Returns:

  • (String, nil) 


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# File 'lib/qiita/markdown/filters/code_block.rb', line 50

def filename
  case
  when empty?
    nil
  when has_only_filename?
    sections[0]
  else
    sections[1]
  end
end

#language ⇒ String?

Examples:

Metadata.new(nil).language #=> nil
Metadata.new("ruby").language #=> "ruby"
Metadata.new("ruby:foo.rb").language #=> "ruby"
Metadata.new("foo.rb").language #=> "ruby"

Returns:

  • (String, nil) 


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# File 'lib/qiita/markdown/filters/code_block.rb', line 67

def language
  case
  when empty?
    nil
  when !has_only_filename?
    sections[0]
  when linguist_language
    linguist_language.default_alias_name
  end
end