Class: Keydown::CodeMap

Inherits:
Object
  • Object
show all
Defined in:
lib/keydown/code_map.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text) ⇒ CodeMap

Returns a new instance of CodeMap.



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# File 'lib/keydown/code_map.rb', line 6

def initialize(text)
  @text = text
  @map = {}
end

Instance Attribute Details

#mapped_text ⇒ Object (readonly)

Returns the value of attribute mapped_text.



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# File 'lib/keydown/code_map.rb', line 4

def mapped_text
  @mapped_text
end

Class Method Details

.build_from(text) ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 50

def self.build_from(text)
  map = CodeMap.new(text)
  map.build
  map
end

Instance Method Details

#[](id) ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 15

def [](id)
  @map[id]
end

#add(id, node) ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 11

def add(id, node)
  @map[id] = node
end

#build ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 31

def build
  @mapped_text = @text.gsub(/^(```|@@@) ?(.+?)\r?\n(.+?)\r?\n(```|@@@)\r?$/m) do
    language = $2
    code = $3
    id = Digest::SHA1.hexdigest(code)

    add(id, highlight(code, language))
    id
  end
end

#each(&blk) ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 19

def each(&blk)
  @map.send(:each, &blk)
end

#length ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 23

def length
  @map.keys.length
end

#nodes ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 27

def nodes
  @map
end

#put_code_in(html) ⇒ Object 



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# File 'lib/keydown/code_map.rb', line 42

def put_code_in(html)
  each do |id, code|
    html.sub!(id, code)
  end

  html
end