Sha256: b5aaf5aff15fb1efffacdc01e967bd3f4b303a8ce797eba67bf052dc304da68b
Contents?: true
Size: 1000 Bytes
Versions: 5
Compression:
Stored size: 1000 Bytes
Contents
class String
# Like #index but returns a Range.
#
# "This is a test!".range('test') #=> 10..13
#
# CREDIT: Trans
def range(s, offset=0)
if index(s, offset)
return ($~.begin(0))..($~.end(0)-1)
end
nil
end
# Like #index_all but returns an array of Ranges.
#
# "abc123abc123".range_all('abc') #=> [0..2, 6..8]
#
# TODO: Add offset, perhaps ?
#
# CREDIT: Trans
def range_all(s, reuse=false)
r = []; i = 0
while i < self.length
rng = range(s, i)
if rng
r << rng
i += reuse ? 1 : rng.end + 1
else
break
end
end
r.uniq
end
# Returns an array of ranges mapping
# the characters per line.
#
# "this\nis\na\ntest".range_of_line
# #=> [0..4, 5..7, 8..9, 10..13]
#
# CREDIT: Trans
def range_of_line
offset=0; charmap = []
each_line do |line|
charmap << (offset..(offset + line.length - 1))
offset += line.length
end
charmap
end
end
Version data entries
5 entries across 5 versions & 1 rubygems