Sha256: 56dc2b3aad47aeaa0dc7fe3333e4a698c03fc1c1992223e1c4c0d07782a81478
Contents?: true
Size: 1.92 KB
Versions: 17
Compression:
Stored size: 1.92 KB
Contents
require "roman-numerals"
module IsoDoc::XrefGen
class Counter
def initialize
@num = 0
@letter = ""
@subseq = ""
@letter_override = nil
@number_override = nil
end
def new_subseq_increment(node)
@subseq = node["subsequence"]
@num += 1
@letter = node["subsequence"] ? "a" : ""
if node["number"]
/^(?<n>\d*)(?<a>[a-z]*)$/ =~ node["number"]
if n || a
@letter_override = @letter = a if a
@number_override = @num = n.to_i if n
else
@letter_override = node["number"]
@letter = @letter_override if /^[a-z]$/.match(@letter_override)
end
end
end
def sequence_increment(node)
if node["number"]
@number_override = node["number"]
@num = @number_override.to_i if /^\d+$/.match(@number_override)
else
@num += 1
end
end
def subsequence_increment(node)
if node["number"]
@letter_override = node["number"]
@letter = @letter_override if /^[a-z]$/.match(@letter_override)
else
@letter = (@letter.ord + 1).chr.to_s
end
end
def increment(node)
return self if node["unnumbered"]
@letter_override = nil
@number_override = nil
if node["subsequence"] != @subseq
new_subseq_increment(node)
elsif @letter.empty?
sequence_increment(node)
else
subsequence_increment(node)
end
self
end
def print
"#{@number_override || @num}#{@letter_override || @letter}"
end
def listlabel(depth)
return @num.to_s if [2, 7].include? depth
return (96 + @num).chr.to_s if [1, 6].include? depth
return (64 + @num).chr.to_s if [4, 9].include? depth
return RomanNumerals.to_roman(@num).downcase if [3, 8].include? depth
return RomanNumerals.to_roman(@num).upcase if [5, 10].include? depth
return @num.to_s
end
end
end
Version data entries
17 entries across 14 versions & 2 rubygems