Sha256: ebad215075d00557ddcc7cfe144eda66c02d20e07fd9b952783c7af24e4f8e29
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Size: 980 Bytes
Versions: 45
Compression:
Stored size: 980 Bytes
Contents
module Enumerable
def sort_by_alphanum
sort do |a, b|
if block_given?
grouped_compare(yield(a), yield(b))
else
grouped_compare(a, b)
end
end
end
def sort_by_alphanum!
sort! do |a, b|
if block_given?
grouped_compare(yield(a), yield(b))
else
grouped_compare(a, b)
end
end
end
private
def grouped_compare(a, b)
loop {
a_chunk, a = extract_alpha_or_number_group(a)
b_chunk, b = extract_alpha_or_number_group(b)
ret = if a_chunk =~ /\d/ and b_chunk =~ /\d/
a_chunk.to_i <=> b_chunk.to_i
else
a_chunk <=> b_chunk
end
return -1 if a_chunk == ''
return ret if ret != 0
}
end
def extract_alpha_or_number_group(item)
matchdata = /([A-Za-z]+|[\d]+)/.match(item)
if matchdata.nil?
["", ""]
else
[matchdata[0], item = item[matchdata.offset(0)[1] .. -1]]
end
end
end
Version data entries
45 entries across 45 versions & 1 rubygems