|
Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/lib/ruby/2.3.0/rdoc/markup/ |
Upload File : |
# frozen_string_literal: false
##
# We manage a set of attributes. Each attribute has a symbol name and a bit
# value.
class RDoc::Markup::Attributes
##
# The special attribute type. See RDoc::Markup#add_special
attr_reader :special
##
# Creates a new attributes set.
def initialize
@special = 1
@name_to_bitmap = [
[:_SPECIAL_, @special],
]
@next_bitmap = @special << 1
end
##
# Returns a unique bit for +name+
def bitmap_for name
bitmap = @name_to_bitmap.assoc name
unless bitmap then
bitmap = @next_bitmap
@next_bitmap <<= 1
@name_to_bitmap << [name, bitmap]
else
bitmap = bitmap.last
end
bitmap
end
##
# Returns a string representation of +bitmap+
def as_string bitmap
return 'none' if bitmap.zero?
res = []
@name_to_bitmap.each do |name, bit|
res << name if (bitmap & bit) != 0
end
res.join ','
end
##
# yields each attribute name in +bitmap+
def each_name_of bitmap
return enum_for __method__, bitmap unless block_given?
@name_to_bitmap.each do |name, bit|
next if bit == @special
yield name.to_s if (bitmap & bit) != 0
end
end
end