111 lines
2.7 KiB
CoffeeScript
111 lines
2.7 KiB
CoffeeScript
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json_types_uninitialized = require "../Types/JsonTypes"
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HistoryBuffer = require "../HistoryBuffer"
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Engine = require "../Engine"
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#
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# Framework for Json data-structures.
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# Known values that are supported:
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# * String
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# * Integer
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# * Array
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#
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class JsonFramework
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#
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# @param {String} user_id Unique id of the peer.
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# @param {Connector} Connector the connector class.
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#
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constructor: (user_id, Connector)->
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@HB = new HistoryBuffer user_id
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type_manager = json_types_uninitialized @HB
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@types = type_manager.types
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@engine = new Engine @HB, type_manager.parser
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@HB.engine = @engine # TODO: !! only for debugging
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@connector = new Connector @engine, @HB, type_manager.execution_listener, @
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first_word = new @types.JsonType(@HB.getReservedUniqueIdentifier())
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@HB.addOperation(first_word).execute()
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uid_beg = @HB.getReservedUniqueIdentifier()
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uid_end = @HB.getReservedUniqueIdentifier()
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beg = @HB.addOperation(new @types.Delimiter uid_beg, undefined, uid_end).execute()
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end = @HB.addOperation(new @types.Delimiter uid_end, beg, undefined).execute()
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@root_element = new @types.ReplaceManager undefined, @HB.getReservedUniqueIdentifier(), beg, end
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@HB.addOperation(@root_element).execute()
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@root_element.replace first_word, @HB.getReservedUniqueIdentifier()
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#
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# @return JsonType
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#
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getSharedObject: ()->
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@root_element.val()
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#
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# Get the initialized connector.
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#
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getConnector: ()->
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@connector
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#
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# @see HistoryBuffer
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#
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getHistoryBuffer: ()->
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@HB
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#
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# @see JsonType.setMutableDefault
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#
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setMutableDefault: (mutable)->
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@getSharedObject().setMutableDefault(mutable)
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#
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# Get the UserId from the HistoryBuffer object.
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# In most cases this will be the same as the user_id value with which
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# JsonFramework was initialized (Depending on the HistoryBuffer implementation).
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#
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getUserId: ()->
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@HB.getUserId()
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#
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# @see JsonType.toJson
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#
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toJson : ()->
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@getSharedObject().toJson()
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#
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# @see JsonType.val
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#
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val : (name, content, mutable)->
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@getSharedObject().val(name, content, mutable)
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#
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# @see Operation.on
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#
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on: ()->
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@getSharedObject().on arguments...
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#
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# @see Operation.deleteListener
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#
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deleteListener: ()->
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@getSharedObject().deleteListener arguments...
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#
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# @see JsonType.value
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#
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Object.defineProperty JsonFramework.prototype, 'value',
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get : -> @getSharedObject().value
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set : (o)->
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if o.constructor is {}.constructor
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for o_name,o_obj of o
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@val(o_name, o_obj, 'immutable')
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else
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throw new Error "You must only set Object values!"
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module.exports = JsonFramework
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if window?
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if not window.Y?
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window.Y = {}
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window.Y.JsonFramework = JsonFramework
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