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Versions: 4
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Contents
class String
def slugify
self.dup.slugify!
end
def slugify!
self.gsub!(/[^\x00-\x7F]+/, '') # Remove non-ASCII (e.g. diacritics).
self.gsub!(/[^a-z0-9\-_\+]+/i, '-') # Turn non-slug chars into the separator.
self.gsub!(/-{2,}/, '-') # No more than one of the separator in a row.
self.gsub!(/^-|-$/, '') # Remove leading/trailing separator.
self.downcase!
self
end
def make_attr
self.downcase.to_sym
end
def indents(remove_blanks = false)
# clear blank lines and then clear left margin
reject { |line| line.blank? && remove_blanks }.map { |line| line.gsub(/^\s+$/, "\n") }.join.margin.strip
end
end
class Symbol
def html
(self.to_s + '_html').to_sym
end
def make_attr
self.to_s.downcase.to_sym
end
end
class Array
def make_attrs
self.collect! { |a| a.to_s.downcase.to_sym }
end
end
### class instance vars that inherit down to children
module ClassLevelInheritableAttributes
PRIMITIVES = [NilClass, TrueClass, FalseClass, Fixnum, Float]
def cattr_inheritable(*args)
@cattr_inheritable_attrs ||= [:cattr_inheritable_attrs]
@cattr_inheritable_attrs += args
args.each do |arg|
class_eval %(
class << self; attr_accessor :#{arg}; end
)
end
@cattr_inheritable_attrs
end
def inherited(subclass)
@all_children ||= []
@cattr_inheritable_attrs.each do |inheritable_attribute|
instance_var = "@#{inheritable_attribute}"
current_value = instance_variable_get(instance_var)
current_value = current_value.dup unless PRIMITIVES.include?(current_value.class)
subclass.instance_variable_set(instance_var, current_value)
end
@all_children << subclass
end
end
Version data entries
4 entries across 4 versions & 1 rubygems