class Asciidoctor::PDF::IndexCatalog

# File lib/asciidoctor/pdf/index_catalog.rb, line 15
def initialize
  @categories = {}
  @start_page_number = 1
  @dests = {}
  @sequence = 0
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 103
def categories
  @categories.values.sort
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 99
def empty?
  @categories.empty?
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 56
def find_category name
  @categories[name]
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 60
def find_primary_term name
  @categories.each_value do |category|
    term = category.terms.find {|candidate| candidate.name == name }
    return term if term
  end
  nil
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 51
def init_category name
  name = '@' unless LeadingAlphaRx.match? name
  @categories[name] ||= IndexTermCategory.new name
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 68
def link_associations group = nil
  if group
    group.terms.each do |term|
      associations = term.associations
      if (see_name = associations[:see])
        see_name = FormattedString.new see_name
        term.see = (find_primary_term see_name) || (UnresolvedIndexTerm.new see_name)
      elsif (see_also_names = associations[:see_also])
        term.see_also = see_also_names.map do |see_also_name|
          see_also_name = FormattedString.new see_also_name
          (find_primary_term see_also_name) || (UnresolvedIndexTerm.new see_also_name)
        end
      end
      link_associations term unless term.leaf?
    end
  else
    @categories.each_value {|category| link_associations category }
  end
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 92
def link_dest_to_page anchor, physical_page_number
  if (dest = @dests[anchor])
    virtual_page_number = (dest[:page_sortable] = physical_page_number) - (@start_page_number - 1)
    dest[:page] = (virtual_page_number < 1 ? (RomanNumeral.new physical_page_number, :lower) : virtual_page_number).to_s
  end
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 22
def next_anchor_name
  %(__indexterm-#{@sequence += 1})
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 88
def store_dest dest
  @dests[dest[:anchor]] = dest
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 36
def store_primary_term name, dest = nil, assoc = {}
  store_dest dest if dest
  (init_category name.chr.upcase).store_term name, dest, assoc
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 41
def store_secondary_term primary_name, secondary_name, dest = nil, assoc = {}
  store_dest dest if dest
  (store_primary_term primary_name).store_term secondary_name, dest, assoc
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 26
def store_term names, dest, assoc = {}
  if (num_terms = (names = names.map {|name| FormattedString.new name }).size) == 1
    store_primary_term names[0], dest, assoc
  elsif num_terms == 2
    store_secondary_term names[0], names[1], dest, assoc
  elsif num_terms > 2
    store_tertiary_term names[0], names[1], names[2], dest, assoc
  end
end

# File lib/asciidoctor/pdf/index_catalog.rb, line 46
def store_tertiary_term primary_name, secondary_name, tertiary_name, dest, assoc = {}
  store_dest dest
  (store_secondary_term primary_name, secondary_name).store_term tertiary_name, dest, assoc
end