2a4db54db9
* Throw away old system * Add new system * Add new example files * Replace all calls * add the most important docs * Add Specs * rename disable_ssl_requirement to require_ssl * cloudfiles isn't used/called in our code * since community_spotlight.list is only used as enable flag replace it with such one and remove all legacy and irelevant codepaths around it * die if session secret is unset and on heroku * First basic infrastructure for version information
76 lines
2 KiB
Ruby
76 lines
2 KiB
Ruby
module Configuration
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# Proxy object to support nested settings
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# Cavehat: Since this is always true, adding a ? at the end
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# returns the value, if found, instead of the proxy object.
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# So instead of +if settings.foo.bar+ use +if settings.foo.bar?+
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# to check for boolean values, +if settings.foo.bar.nil?+ to
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# check for nil values, +if settings.foo.bar.present?+ to check for
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# empty values if you're in Rails and call {#get} to actually return the value,
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# commonly when doing +settings.foo.bar.get || 'default'+. If a setting
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# ends with +=+ is too called directly, just like with +?+.
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class Proxy < BasicObject
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COMMON_KEY_NAMES = [:key, :method]
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# @param lookup_chain [#lookup]
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def initialize(lookup_chain)
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@lookup_chain = lookup_chain
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@setting = ""
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end
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def !
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!self.get
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end
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def !=(other)
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self.get != other
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end
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def ==(other)
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self.get == other
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end
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def _proxy?
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true
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end
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def respond_to?(method, include_private=false)
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method == :_proxy? || self.get.respond_to?(method, include_private)
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end
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def send(*args, &block)
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self.__send__(*args, &block)
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end
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def method_missing(setting, *args, &block)
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unless COMMON_KEY_NAMES.include? setting
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target = self.get
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if !(target.respond_to?(:_proxy?) && target._proxy?) && target.respond_to?(setting)
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return target.send(setting, *args, &block)
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end
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end
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setting = setting.to_s
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self.append_setting(setting)
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return self.get(*args) if setting.end_with?("?") || setting.end_with?("=")
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self
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end
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# Get the setting at the current path, if found.
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# (see LookupChain#lookup)
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def get(*args)
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setting = @setting[1..-1]
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return unless setting
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val = @lookup_chain.lookup(setting.chomp("?"), *args)
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val
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end
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protected
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def append_setting(setting)
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@setting << "."
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@setting << setting
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end
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end
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end
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