Class: BBCoder::BufferTags

Inherits:
Object
  • Object
show all
Defined in:
lib/bbcoder/buffer_tags.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(buffer) ⇒ BufferTags

Returns a new instance of BufferTags.



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# File 'lib/bbcoder/buffer_tags.rb', line 5

def initialize(buffer)
  @buffer = buffer
  @_internal = []
  @_meta = {}
end

Instance Attribute Details

#_internal ⇒ Object

Returns the value of attribute _internal.



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# File 'lib/bbcoder/buffer_tags.rb', line 3

def _internal
  @_internal
end

#_meta ⇒ Object

Returns the value of attribute _meta.



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# File 'lib/bbcoder/buffer_tags.rb', line 3

def _meta
  @_meta
end

#buffer ⇒ Object

Returns the value of attribute buffer.



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# File 'lib/bbcoder/buffer_tags.rb', line 3

def buffer
  @buffer
end

Instance Method Details

#criteria_met?(tag) ⇒ Boolean

helper methods

Returns:

  • (Boolean) 


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# File 'lib/bbcoder/buffer_tags.rb', line 75

def criteria_met?(tag)
  return false if BBCoder.configuration[tag].nil?

  parent_criteria_met?(BBCoder.configuration[tag].parents)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bbcoder/buffer_tags.rb', line 62

def empty?
  _internal.empty?
end

#include?(tag) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bbcoder/buffer_tags.rb', line 70

def include?(tag)
  _internal.include?(tag)
end

#join(limit = nil) ⇒ Object

orphaned open tags are combined



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# File 'lib/bbcoder/buffer_tags.rb', line 48

def join(limit = nil)
  limit = size if limit.nil?

  1.upto(limit).to_a.collect do
    # singular tags are caught in the handle method
    [BBCoder::Tag.handle(_internal.pop, buffer.depth, _meta.delete(size+1)), buffer.pop(+1)].join  # +1 depth modifier for the buffer
  end.reverse.join
end

#last ⇒ Object 



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# File 'lib/bbcoder/buffer_tags.rb', line 66

def last
  _internal.last
end

#parent_criteria_met?(parents) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bbcoder/buffer_tags.rb', line 81

def parent_criteria_met?(parents)
  parents.empty? || !(_internal & parents).empty?
end

#pop(original_tag) ⇒ Object

logic when popping specific tag



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# File 'lib/bbcoder/buffer_tags.rb', line 28

def pop(original_tag)
  tag = if original_tag.is_a?(Symbol)
          original_tag
        else
          original_tag.downcase.to_sym
        end

  # no more tags left to pop || this tag isn't in the list
  if empty? || !include?(tag)
    buffer.push("[/#{original_tag}]")
  elsif last == tag
    buffer.push(BBCoder::Tag.to_html(_internal.pop, buffer.depth, _meta.delete(size+1), buffer.pop(+1)))
  elsif include?(tag)
    # repeats pop(tag) until we reach the last == tag
    buffer.push(join(+1))
    pop(tag)
  end
end

#push(original_tag) ⇒ Object 



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# File 'lib/bbcoder/buffer_tags.rb', line 11

def push(original_tag)
  tag, meta = if original_tag.include?("=")
                splits = original_tag.split("=")
                [splits.shift.downcase.to_sym, splits.join('=')]
              else
                [original_tag.downcase.to_sym, nil]
              end

  if criteria_met?(tag)
    _internal.push(tag)
    _meta[size] = meta
  else
    buffer.push(BBCoder::Tag.reform(original_tag, meta))
  end
end

#size ⇒ Object

delegates to _internal



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# File 'lib/bbcoder/buffer_tags.rb', line 58

def size
  _internal.size
end