Sha256: 9e131ebeff5ea0640293ef8ee5b9d4faec95ee7c1b3e21ce0feca60854ea91a2
Contents?: true
Size: 1.08 KB
Versions: 57
Compression:
Stored size: 1.08 KB
Contents
class String
# Aligns each line n spaces.
# (This used to be #taballto.)
#
def tab(n)
gsub(/^ */, ' ' * n)
end
# Preserves relative tabbing.
# The first non-empty line ends up with n spaces before nonspace.
#
def tabto(n)
if self =~ /^( *)\S/
indent(n - $1.length)
else
self
end
end
# Indent left or right by n spaces.
# (This used to be called #tab and aliased as #indent.)
#
def indent(n)
if n >= 0
gsub(/^/, ' ' * n)
else
gsub(/^ {0,#{-n}}/, "")
end
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCString < Test::Unit::TestCase
def test_tab
a = "xyz".tab(4)
assert_equal( ' ', a[0..3] )
# Need to expand on this
end
def test_tabto
a = "xyz".tabto(4)
assert_equal( ' ', a[0..3] )
# Need to expand on this
end
def test_indent
a = "xyz".indent(4)
assert_equal( ' ', a[0..3] )
# Need to expand on this
end
end
=end
Version data entries
57 entries across 57 versions & 3 rubygems