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43 lines
1.3 KiB
CoffeeScript
43 lines
1.3 KiB
CoffeeScript
# Public: Manages the deserializers used for serialized state
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#
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# Should be accessed via `atom.deserializers`
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module.exports =
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class DeserializerManager
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constructor: (@environment) ->
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@deserializers = {}
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@deferredDeserializers = {}
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# Public: Register the given class(es) as deserializers.
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add: (klasses...) ->
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@deserializers[klass.name] = klass for klass in klasses
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# Public: Add a deferred deserializer for the given class name.
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addDeferred: (name, fn) ->
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@deferredDeserializers[name] = fn
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# Public: Remove the given class(es) as deserializers.
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remove: (klasses...) ->
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delete @deserializers[klass.name] for klass in klasses
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# Public: Deserialize the state and params.
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deserialize: (state, params) ->
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return unless state?
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if deserializer = @get(state)
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stateVersion = state.get?('version') ? state.version
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return if deserializer.version? and deserializer.version isnt stateVersion
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deserializer.deserialize(state, params)
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else
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console.warn "No deserializer found for", state
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# Private: Get the deserializer for the state.
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get: (state) ->
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return unless state?
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name = state.get?('deserializer') ? state.deserializer
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if @deferredDeserializers[name]
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@deferredDeserializers[name]()
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delete @deferredDeserializers[name]
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@deserializers[name]
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