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Contents
# :stopdoc:
# This module implements a memoizer for caching styleguide() invocations.
#
module Archetype::Functions::StyleguideMemoizer
private
# memoized store for components we've already computed
@components ||= {}
#
# get the token for a styleguide reference given the current state of the theme
#
# *Parameters*:
# - <tt>theme</tt> {String} the theme name
# - <tt>extensions</tt> {Array} the list of currently installed extensions
# - <tt>id</tt> {String} the component identifier
# - <tt>modifiers</tt> {Array} the list of modifiers
# - <tt>state</tt> {String} the name of the state
# *Returns*:
# - {Fixnum} whether or not the value is nil/blank
#
def self.tokenize(theme, extensions, id, modifiers, state)
return nil if extensions.nil? or id.nil?
return "#{id}::#{(modifiers.to_a.sort + extensions).join('$')}::#{state}".hash
end
#
# add a value to the memoizer given a token
#
# *Parameters*:
# - <tt>theme</tt> {String} the theme name
# - <tt>token</tt> {Fixnum} the token to register
# - <tt>value</tt> {Hash} the value to store
#
def self.add(theme, token, value)
(@components[theme] ||= {})[token] = value if Compass.configuration.memoize
end
#
# fetch a value from the memoizer given a token
#
# *Parameters*:
# - <tt>theme</tt> {String} the theme name
# - <tt>token</tt> {Fixnum} the token to lookup
# *Returns*:
# - <tt>value</tt> {Hash} the value from the memoizer
#
def self.fetch(theme, token)
return false if token.nil?
return (@components[theme] ||= {})[token]
end
#
# invalidate the entire memoizer for the theme
#
# *Parameters*:
# - <tt>theme</tt> {String} the theme name
#
def self.clear(theme)
@components[theme] = {}
end
end
Version data entries
8 entries across 8 versions & 1 rubygems