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Remove the wrapping feature that was never actually turned into something real [DHH]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7440 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson
2007-09-09 23:39:10 +00:00
parent 250f871b90
commit ddf385a554
2 changed files with 0 additions and 73 deletions
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15
activerecord/lib/active_record/wrappers/yaml_wrapper.rb
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@@ -1,15 +0,0 @@
require 'yaml'
module ActiveRecord
module Wrappings #:nodoc:
class YamlWrapper < AbstractWrapper #:nodoc:
def wrap(attribute) attribute.to_yaml end
def unwrap(attribute) YAML::load(attribute) end
end
module ClassMethods #:nodoc:
# Wraps the attribute in Yaml encoding
def wrap_in_yaml(*attributes) wrap_with(YamlWrapper, attributes) end
end
end
end

58
activerecord/lib/active_record/wrappings.rb
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@@ -1,58 +0,0 @@
module ActiveRecord
# A plugin framework for wrapping attribute values before they go in and unwrapping them after they go out of the database.
# This was intended primarily for YAML wrapping of arrays and hashes, but this behavior is now native in the Base class.
# So for now this framework is laying dormant until a need pops up.
module Wrappings #:nodoc:
module ClassMethods #:nodoc:
def wrap_with(wrapper, *attributes)
[ attributes ].flat.each { |attribute| wrapper.wrap(attribute) }
end
end
def self.included(base)
base.extend(ClassMethods)
end
class AbstractWrapper #:nodoc:
def self.wrap(attribute, record_binding) #:nodoc:
%w( before_save after_save after_initialize ).each do |callback|
eval "#{callback} #{name}.new('#{attribute}')", record_binding
end
end
def initialize(attribute) #:nodoc:
@attribute = attribute
end
def save_wrapped_attribute(record) #:nodoc:
if record.attribute_present?(@attribute)
record.send(
"write_attribute",
@attribute,
wrap(record.send("read_attribute", @attribute))
)
end
end
def load_wrapped_attribute(record) #:nodoc:
if record.attribute_present?(@attribute)
record.send(
"write_attribute",
@attribute,
unwrap(record.send("read_attribute", @attribute))
)
end
end
alias_method :before_save, :save_wrapped_attribute #:nodoc:
alias_method :after_save, :load_wrapped_attribute #:nodoc:
alias_method :after_initialize, :after_save #:nodoc:
# Overwrite to implement the logic that'll take the regular attribute and wrap it.
def wrap(attribute) end
# Overwrite to implement the logic that'll take the wrapped attribute and unwrap it.
def unwrap(attribute) end
end
end
end