Class: Lydown::Rendering::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/lydown/rendering/base.rb

Instance Method Summary collapse

Constructor Details

#initialize(event, context, stream, idx) ⇒ Base

Returns a new instance of Base.



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# File 'lib/lydown/rendering/base.rb', line 3

def initialize(event, context, stream, idx)
  @event = event
  @context = context
  @stream = stream
  @idx = idx
end

Instance Method Details

#find_prev_event(filter) ⇒ Object 



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# File 'lib/lydown/rendering/base.rb', line 24

def find_prev_event(filter)
  prev = prev_event
  return nil unless prev
  
  filter.each do |k, v|
    return nil unless prev[k] == v
  end
  
  prev
end

#next_event ⇒ Object 



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# File 'lib/lydown/rendering/base.rb', line 35

def next_event
  idx = @idx + 1
  while idx < @stream.size
    e = @stream[idx]
    return e if e && e[:type] != :comment
    idx += 1
  end
  nil
end

#prev_event ⇒ Object 



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# File 'lib/lydown/rendering/base.rb', line 14

def prev_event
  idx = @idx - 1
  while idx >= 0
    e = @stream[idx]
    return e if e && e[:type] != :comment
    idx -= 1
  end
  nil
end

#translate ⇒ Object 



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# File 'lib/lydown/rendering/base.rb', line 10

def translate
  # do nothing by default
end