Class: Metanorma::Html::Component::FootnoteCollector

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/html/component/footnote_collector.rb

Overview

Collects footnote content encountered during rendering. Deduplicates by reference letter/number so each footnote definition appears once, even when referenced from multiple locations.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FootnoteCollector

Returns a new instance of FootnoteCollector.



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# File 'lib/metanorma/html/component/footnote_collector.rb', line 10

def initialize
  @footnotes = []
  @ref_map = {}
  @id_map = {}
end

Instance Method Details

#each(&blk) ⇒ Object 



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# File 'lib/metanorma/html/component/footnote_collector.rb', line 44

def each(&blk)
  @footnotes.each(&blk)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/metanorma/html/component/footnote_collector.rb', line 40

def empty?
  @footnotes.empty?
end

#register(fn) ⇒ Object

Register a footnote and return its sequential number. Deduplicates by reference: same reference = same footnote number.



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# File 'lib/metanorma/html/component/footnote_collector.rb', line 18

def register(fn)
  fn_id = fn.id || fn.reference.to_s
  ref = fn.reference.to_s

  # If we've seen this reference before, reuse its number
  if @ref_map.key?(ref)
    return @ref_map[ref]
  end

  number = @footnotes.size + 1
  @ref_map[ref] = number
  @id_map[fn_id] = number
  @footnotes << FootnoteEntry.new(
    id: fn_id,
    number: number,
    reference: ref,
    content: fn.p,
    fmt_label: fn.fmt_fn_label
  )
  number
end

#to_a ⇒ Object 



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# File 'lib/metanorma/html/component/footnote_collector.rb', line 48

def to_a
  @footnotes
end