Class: Module
Overview
–}}}
Instance Method Summary collapse
- #__trait_define_class_reader_traits(*args, &block) ⇒ Object
- #__trait_define_class_traits(*args, &block) ⇒ Object
- #__trait_define_class_writer_traits(*args, &block) ⇒ Object
- #__trait_define_instance_reader_traits(*args, &block) ⇒ Object
- #__trait_define_instance_traits(*args, &block) ⇒ Object
- #__trait_define_instance_writer_traits(*args, &block) ⇒ Object
- #__trait_define_reader_trait(name, default, defaults, list) ⇒ Object
- #__trait_define_writer_trait(name, default, defaults, list) ⇒ Object
- #__trait_gen_access_protection_code(name, access_protection = nil) ⇒ Object
- #__trait_gen_query_code(name, access_protection = 'public') ⇒ Object
- #__trait_gen_reader_code(name, access_protection = 'public') ⇒ Object
- #__trait_gen_writer_code(name, access_protection = 'public') ⇒ Object
-
#__trait_module_eval(*a, &b) ⇒ Object
–{{{.
Instance Method Details
#__trait_define_class_reader_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 332 def __trait_define_class_reader_traits(*args, &block) #--{{{ __trait_define_singleton_reader_traits(*args, &block) #--}}} end |
#__trait_define_class_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 372 def __trait_define_class_traits(*args, &block) #--{{{ __trait_define_singleton_traits(*args, &block) #--}}} end |
#__trait_define_class_writer_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 352 def __trait_define_class_writer_traits(*args, &block) #--{{{ __trait_define_singleton_writer_traits(*args, &block) #--}}} end |
#__trait_define_instance_reader_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 255 def __trait_define_instance_reader_traits(*args, &block) #--{{{ if __trait_singleton? return(__trait_singleton_super.__trait_define_singleton_reader_traits(*args, &block)) end argf = __trait_arg_filter args, &block defaults = __trait_instance_method_defaults list = __trait_instance_method_list mhooks = __trait_instance_method_hooks argf['names_and_defaults'].each do |name, default| __trait_define_reader_trait name, default, defaults, list end argf['names_and_hooks'].each{|name, hooks| mhooks[name].update hooks} __trait_search_path.map{|ta| ta.__trait_instance_method_list['readers']}.flatten #--}}} end |
#__trait_define_instance_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 315 def __trait_define_instance_traits(*args, &block) #--{{{ writers = __trait_define_instance_writer_traits(*args, &block) readers = __trait_define_instance_reader_traits(*args, &block) #[readers, writers] wr = writers.inject({}){|h,k| h.update k.delete('=') => k} readers.map{|r| [r, wr[r]]} #--}}} end |
#__trait_define_instance_writer_traits(*args, &block) ⇒ Object
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# File 'lib/traits.rb', line 285 def __trait_define_instance_writer_traits(*args, &block) #--{{{ if __trait_singleton? return(__trait_singleton_super.__trait_define_singleton_writer_traits(*args, &block)) end argf = __trait_arg_filter args, &block defaults = __trait_instance_method_defaults list = __trait_instance_method_list mhooks = __trait_instance_method_hooks argf['names_and_defaults'].each do |name, default| __trait_define_writer_trait name, default, defaults, list end argf['names_and_hooks'].each{|name, hooks| mhooks[name].update hooks} __trait_search_path.map{|ta| ta.__trait_instance_method_list['writers']}.flatten #--}}} end |
#__trait_define_reader_trait(name, default, defaults, list) ⇒ Object
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# File 'lib/traits.rb', line 384 def __trait_define_reader_trait name, default, defaults, list #--{{{ getter = "#{ name }" setter = "#{ name }=" query = "#{ name }?" defaults[getter] = default if default list['readers'] << getter list['readers'].uniq! # list['readers'].sort! unless instance_methods.include? getter code = __trait_gen_reader_code name, 'public' __trait_module_eval code end unless instance_methods.include? setter code = __trait_gen_writer_code name, 'private' __trait_module_eval code end unless instance_methods.include? query code = __trait_gen_query_code name, 'public' __trait_module_eval code end #--}}} end |
#__trait_define_writer_trait(name, default, defaults, list) ⇒ Object
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# File 'lib/traits.rb', line 410 def __trait_define_writer_trait name, default, defaults, list #--{{{ reader = "#{ name }" writer = "#{ name }=" query = "#{ name }?" defaults[reader] = default if default list['writers'] << writer list['writers'].uniq! # list['writers'].sort! unless instance_methods.include? reader code = __trait_gen_reader_code name, 'private' __trait_module_eval code end unless instance_methods.include? writer code = __trait_gen_writer_code name, 'public' __trait_module_eval code end unless instance_methods.include? query code = __trait_gen_query_code name, 'private' __trait_module_eval code end #--}}} end |
#__trait_gen_access_protection_code(name, access_protection = nil) ⇒ Object
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# File 'lib/traits.rb', line 647 def __trait_gen_access_protection_code name, access_protection = nil #--{{{ access_protection ||= 'public' access_protection_code = case access_protection when %r/private/ "private '#{ name }'.intern" when %r/protected/ "protected '#{ name }'.intern" else "public '#{ name }'.intern" end puts access_protection_code if $__TRAIT_DEBUG__ access_protection_code #--}}} end |
#__trait_gen_query_code(name, access_protection = 'public') ⇒ Object
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# File 'lib/traits.rb', line 634 def __trait_gen_query_code name, access_protection = 'public' #--{{{ query_code = <<-code def #{ name }? send('#{ name }') ? true : false end # #{ access_protection } '#{ name }?'.intern code puts query_code if $__TRAIT_DEBUG__ query_code #--}}} end |
#__trait_gen_reader_code(name, access_protection = 'public') ⇒ Object
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# File 'lib/traits.rb', line 436 def __trait_gen_reader_code name, access_protection = 'public' #--{{{ s = __trait_singleton? klass = s ? 'self' : 'self.class' defaults = s ? '__trait_singleton_method_defaults' : '__trait_instance_method_defaults' search_ancestors = s ? 'true' : 'false' getter_meth = "#{ name }" setter_meth = "#{ name }=" query_meth = "#{ name }?" ivar = "@#{ name }" getter = "'#{ name }'" setter = "'#{ name }='" reader_code = <<-code def #{ name }(*a, &b) unless a.empty? send('#{ name }=', *a, &b) else unless(defined?(@________#{ name }_set) and @________#{ name }_set) #{ klass }::__trait_search_path.each do |obj| defaults = obj.#{ defaults } if defaults.has_key? '#{ name }' d = defaults['#{ name }'] if d.respond_to? '__trait_default' d = instance_eval &d end return(send('#{ name }=', d)) end end end case self when Class if defined? @#{ name } @#{ name } else __trait_search_path.each do |obj| if self != obj and obj.respond_to? '#{ name }' return(obj.send('#{ name }', *a, &b)) end end return nil end else @#{ name } end end end #{ access_protection } '#{ name }'.intern code puts reader_code if $__TRAIT_DEBUG__ reader_code #--}}} end |
#__trait_gen_writer_code(name, access_protection = 'public') ⇒ Object
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# File 'lib/traits.rb', line 491 def __trait_gen_writer_code name, access_protection = 'public' #--{{{ s = __trait_singleton? klass = s ? 'self' : 'self.class' hooks = s ? '__trait_singleton_method_hooks' : '__trait_instance_method_hooks' writer_code = <<-code def #{ name }=(head, *tail) value = tail.empty? ? head : [head] + tail hooks = {} hook_types = %w( pre munge cast type ducktype validate post ) #{ klass }::__trait_search_path.each do |obj| break if hooks.values_at(*hook_types).compact.size == hook_types.size hook_types.each{|ht| hooks[ht] ||= obj.#{ hooks }['#{ name }'][ht]} end pre_hook, munge_hook, cast_hook, type_hook, ducktype_hook, validate_hook, post_hook = hooks.values_at(*hook_types) if pre_hook [ pre_hook ].flatten.each do |pre| if Proc === pre case pre.arity when 0 __trait_evaluate &pre when 1 __trait_evaluate value, &pre else __trait_evaluate "#{ name }", value, &pre end else case method("\#{ pre }").arity when 0 send "\#{ pre }" when 1 send "\#{ pre }", value else send "\#{ pre }", "#{ name }", value end end end end if cast_hook [ cast_hook ].flatten.each do |cast| value = if Proc === cast __trait_evaluate value, &cast else send cast, value end end end if munge_hook [ munge_hook ].flatten.each do |munge| value = if Proc === munge __trait_evaluate value, &munge else value.send munge end end end if type_hook [ type_hook ].flatten.each do |type| is_valid = if Proc === type __trait_evaluate(value, &type) === value else type === value end raise ArgumentError, "validation of <\#{ value.inspect }> failed!" unless is_valid end end if ducktype_hook [ ducktype_hook ].flatten.each do |ducktype| is_valid = if Proc === ducktype value.respond_to? __trait_evaluate(value, &ducktype) else value.respond_to? ducktype end raise ArgumentError, "validation of <\#{ value.inspect }> failed!" unless is_valid end end if validate_hook [ validate_hook ].flatten.each do |validate| is_valid = if Proc === validate __trait_evaluate value, &validate else send "\#{ validate }", value end raise ArgumentError, "validation of <\#{ value.inspect }> failed!" unless is_valid end end @#{ name } = value @________#{ name }_set = true if post_hook [ post_hook ].flatten.each do |post| if Proc === post case post.arity when 0 __trait_evaluate &post when 1 __trait_evaluate value, &post else __trait_evaluate "#{ name }", value, &post end else case method("\#{ post }").arity when 0 send "\#{ post }" when 1 send "\#{ post }", value else send "\#{ post }", "#{ name }", value end end end end @#{ name } end #{ access_protection } '#{ name }='.intern code puts writer_code if $__TRAIT_DEBUG__ writer_code #--}}} end |
#__trait_module_eval(*a, &b) ⇒ Object
–{{{
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# File 'lib/traits.rb', line 244 def __trait_module_eval(*a, &b) #--{{{ begin module_eval(*a, &b) rescue Exception => e STDERR.puts([a, b].inspect) if $__TRAIT_DEBUG__ raise end #--}}} end |