Sha256: 0b0e31da648b7448acbe96afa5571fabd71a05d4d06876d7f984c02547803571
Contents?: true
Size: 1.15 KB
Versions: 7
Compression:
Stored size: 1.15 KB
Contents
class String
# Indent left or right by n spaces.
# (This used to be called #tab and aliased as #indent.)
#
# CREDIT: Gavin Sinclair, Trans, Tyler Rick
def indent(n, c=' ')
if n >= 0
gsub(/^/, c * n)
else
gsub(/^#{Regexp.escape(c)}{0,#{-n}}/, "")
end
end
# Equivalent to String#indent, but modifies the receiver in place.
def indent!(n, c=' ')
replace(indent(n,c))
end
# Remove excessive indentation. Useful for multi-line strings embeded in
# already indented code.
#
# <<-END.unindent
# ohaie
# wurld
# END
#
# Outputs ...
#
# ohaie
# wurld
#
# Instead of ...
#
# ohaie
# wurld
#
# CREDIT: Noah Gibbs, mynyml
def unindent(size=nil)
if size
indent(-size)
else
char = ' '
self.scan(/^[\ \t]*\S/) do |m|
if size.nil? || m.size < size
size = m.size
char = m[0...-1]
end
end
size -= 1
indent(-size, char)
end
end
# Equivalent to String#unindent, but modifies the receiver in place.
#
# CREDIT: mynyml
def unindent!
self.replace(self.unindent)
end
end
Version data entries
7 entries across 6 versions & 1 rubygems