Sha256: 2eb1f9b9596bb5137d8325d1f36092ac2d0f328e9b9dac740495373a5a975b96
Contents?: true
Size: 1.37 KB
Versions: 8
Compression:
Stored size: 1.37 KB
Contents
# Extending the String class.
#
class String # :nodoc:all
# 'keys'.each_subtoken # => yields each of ['keys', 'key', 'ke', 'k']
# 'keys'.each_subtoken(2) # => yields each of ['keys', 'key', 'ke']
#
def each_subtoken from_length = 1, range = nil
sub = self
sub = sub[range] if range
yield sub
size = sub.size
from_length = size + from_length + 1 if from_length < 0
from_length = size if size < from_length
from_length = 1 if from_length < 1
size.downto(from_length + 1) { yield sub = sub.chop }
end
# 'keys'.each_intoken # => yields each of ['keys', 'key', 'eys', 'ke', 'ey', 'ys', 'k', 'e', 'y', 's']
# 'keys'.each_intoken(2) # => yields each of ['keys', 'key', 'eys', 'ke', 'ey', 'ys']
# 'keys'.each_intoken(2, 3) # => yields each of ['key', 'eys', 'ke', 'ey', 'ys']
# 'keys'.each_intoken(10, 12) # => yields nothing (min larger than str)
#
def each_intoken min_length = 1, max_length = -1
max_length = size + max_length + 1 if max_length < 0
max_length = size if size < max_length
max_length = 1 if max_length < 1
min_length = size + min_length + 1 if min_length < 0
min_length = 1 if min_length < 1
this_many = size - max_length + 1
max_length.downto(min_length) do |length|
this_many.times do |offset|
yield self[offset, length]
end
this_many += 1
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems