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Versions: 10
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Contents
# Adapted from Jekyll's Plugin class.
module Howl
class Plugin
PRIORITIES = { :lowest => -100,
:low => -10,
:normal => 0,
:high => 10,
:highest => 100 }
# Install a hook so that subclasses are recorded. This method is only
# ever called by Ruby itself.
#
# base - The Class subclass.
#
# Returns nothing.
def self.inherited(base)
subclasses << base
subclasses.sort!
end
# The list of Classes that have been subclassed.
#
# Returns an Array of Class objects.
def self.subclasses
@subclasses ||= []
end
# Get or set the priority of this plugin. When called without an
# argument it returns the priority. When an argument is given, it will
# set the priority.
#
# priority - The Symbol priority (default: nil). Valid options are:
# :lowest, :low, :normal, :high, :highest
#
# Returns the Symbol priority.
def self.priority(priority = nil)
if priority && PRIORITIES.has_key?(priority)
@priority = priority
end
@priority || :normal
end
def self.<=>(other)
PRIORITIES[other.priority] <=> PRIORITIES[self.priority]
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems