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Contents
module Sass
module Selector
# The abstract parent class of the various selector sequence classes.
#
# All subclasses should implement a `members` method
# that returns an array of object that respond to `#line=` and `#filename=`.
class AbstractSequence
# The line of the Sass template on which this selector was declared.
#
# @return [Fixnum]
attr_reader :line
# The name of the file in which this selector was declared.
#
# @return [String, nil]
attr_reader :filename
# Sets the line of the Sass template on which this selector was declared.
# This also sets the line for all child selectors.
#
# @param line [Fixnum]
# @return [Fixnum]
def line=(line)
members.each {|m| m.line = line}
@line = line
end
# Sets the name of the file in which this selector was declared,
# or `nil` if it was not declared in a file (e.g. on stdin).
# This also sets the filename for all child selectors.
#
# @param filename [String, nil]
# @return [String, nil]
def filename=(filename)
members.each {|m| m.filename = filename}
@filename = filename
end
# Returns a hash code for this sequence.
#
# Subclasses should define `#_hash` rather than overriding this method,
# which automatically handles memoizing the result.
#
# @return [Fixnum]
def hash
@_hash ||= _hash
end
# Checks equality between this and another object.
#
# Subclasses should define `#_eql?` rather than overriding this method,
# which handles checking class equality and hash equality.
#
# @param other [Object] The object to test equality against
# @return [Boolean] Whether or not this is equal to `other`
def eql?(other)
other.class == self.class && other.hash == self.hash && _eql?(other)
end
alias_method :==, :eql?
end
end
end
Version data entries
438 entries across 292 versions & 8 rubygems