Sha256: 1ee799818b50e2b7aea1363943477a8263d81535baa68e7de7ab3838de44f439
Contents?: true
Size: 1.3 KB
Versions: 14
Compression:
Stored size: 1.3 KB
Contents
# Extending the Symbol class.
#
class Symbol # :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
sub = self.id2name
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
yield self
size.downto(from_length + 1) { yield sub.chop!.intern }
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 [:keys, :key, :eys]
# :keys.each_intoken(10, 12) # => yields nothing (min larger than sym)
#
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].intern
end
this_many += 1
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems