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AS::Callbacks::Callback#_compile_option refactored

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This commit is contained in:
Bogdan Gusiev 2011-11-11 14:27:40 +02:00
parent 1c6d6b637e
commit 8483c7c0a6
1 changed files with 12 additions and 14 deletions
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26
activesupport/lib/active_support/callbacks.rb
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@ -153,7 +153,7 @@ module ActiveSupport
@klass.class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
def _one_time_conditions_valid_#{@callback_id}?
true #{key_options[0]}
true if #{key_options}
end
RUBY_EVAL
end
@ -171,8 +171,8 @@ module ActiveSupport
# if condition # before_save :filter_name, :if => :condition
# filter_name
# end
filter = <<-RUBY_EVAL
unless halted
<<-RUBY_EVAL
if !halted && #{@compiled_options}
# This double assignment is to prevent warnings in 1.9.3. I would
# remove the `result` variable, but apparently some other
# generated code is depending on this variable being set sometimes
@ -181,8 +181,6 @@ module ActiveSupport
halted = (#{chain.config[:terminator]})
end
RUBY_EVAL
[@compiled_options[0], filter, @compiled_options[1]].compact.join("\n")
when :around
# Compile around filters with conditions into proxy methods
# that contain the conditions.
@ -202,7 +200,7 @@ module ActiveSupport
name = "_conditional_callback_#{@kind}_#{next_id}"
@klass.class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
def #{name}(halted)
#{@compiled_options[0] || "if true"} && !halted
if #{@compiled_options} && !halted
#{@filter} do
yield self
end
@ -222,10 +220,12 @@ module ActiveSupport
case @kind
when :after
# if condition # after_save :filter_name, :if => :condition
# filter_name
# end
[@compiled_options[0], @filter, @compiled_options[1]].compact.join("\n")
# after_save :filter_name, :if => :condition
<<-RUBY_EVAL
if #{@compiled_options}
#{@filter}
end
RUBY_EVAL
when :around
<<-RUBY_EVAL
value
@ -240,9 +240,7 @@ module ActiveSupport
# symbols, string, procs, and objects), so compile a conditional
# expression based on the options
def _compile_options(options)
return [] if options[:if].empty? && options[:unless].empty?
conditions = []
conditions = ["true"]
unless options[:if].empty?
conditions << Array.wrap(_compile_filter(options[:if]))
@ -252,7 +250,7 @@ module ActiveSupport
conditions << Array.wrap(_compile_filter(options[:unless])).map {|f| "!#{f}"}
end
["if #{conditions.flatten.join(" && ")}", "end"]
conditions.flatten.join(" && ")
end
# Filters support: