Sha256: 61c8820840567a0a14e57ccc9f64ad61dc2e76f89152b378b5ce3e77eb1a9987
Contents?: true
Size: 1.17 KB
Versions: 19
Compression:
Stored size: 1.17 KB
Contents
module Unparser
# Buffer used to emit into
class Buffer
NL = "\n".freeze
# Initialize object
#
# @return [undefined]
#
# @api private
#
def initialize
@content = ''
@indent = 0
end
# Append string
#
# @param [String] string
#
# @return [self]
#
# @api private
#
def append(string)
if @content[-1] == NL
prefix
end
@content << string
self
end
# Increase indent
#
# @return [self]
#
# @api private
#
def indent
nl
@indent+=1
self
end
# Decrease indent
#
# @return [self]
#
# @api private
#
def unindent
nl
@indent-=1
self
end
# Write newline
#
# @return [self]
#
# @api private
#
def nl
@content << NL
self
end
# Return content of buffer
#
# @return [String]
#
# @api private
#
def content
@content.dup.freeze
end
private
# Write prefix
#
# @return [String]
#
# @api private
#
def prefix
@content << ' '*@indent
end
end # Buffer
end # Unparser
Version data entries
19 entries across 19 versions & 1 rubygems