yjs/lib/Frameworks/XmlFramework.coffee

101 lines
2.6 KiB
CoffeeScript

json_types_uninitialized = require "../Types/XmlTypes"
HistoryBuffer = require "../HistoryBuffer"
Engine = require "../Engine"
#
# Framework for Xml-like data-structures.
# Known values that are supported:
#
class XmlFramework
#
# @param {String} user_id Unique id of the peer.
# @param {Connector} Connector the connector class.
#
constructor: (user_id, Connector)->
@HB = new HistoryBuffer user_id
type_manager = json_types_uninitialized @HB
@types = type_manager.types
@engine = new Engine @HB, type_manager.parser
@HB.engine = @engine # TODO: !! only for debugging
@connector = new Connector @engine, @HB, type_manager.execution_listener, @
#first_word = new @types.XmlType(undefined, undefined, undefined, undefined, document.createElement("shared"))
#@HB.addOperation(first_word).execute()
uid_beg = @HB.getReservedUniqueIdentifier()
uid_end = @HB.getReservedUniqueIdentifier()
beg = @HB.addOperation(new @types.Delimiter uid_beg, undefined, uid_end).execute()
end = @HB.addOperation(new @types.Delimiter uid_end, beg, undefined).execute()
@root_element = new @types.ReplaceManager undefined, @HB.getReservedUniqueIdentifier(), beg, end
@HB.addOperation(@root_element).execute()
#@root_element.replace first_word
#
# @return JsonType
#
getSharedObject: ()->
@root_element.val()
#
# Get the initialized connector.
#
getConnector: ()->
@connector
#
# @see HistoryBuffer
#
getHistoryBuffer: ()->
@HB
#
# @see JsonType.setMutableDefault
#
setMutableDefault: (mutable)->
@getSharedObject().setMutableDefault(mutable)
#
# Get the UserId from the HistoryBuffer object.
# In most cases this will be the same as the user_id value with which
# JsonFramework was initialized (Depending on the HistoryBuffer implementation).
#
getUserId: ()->
@HB.getUserId()
#
# @see JsonType.toJson
#
toJson : ()->
@getSharedObject().toJson()
#
# @see JsonType.val
#
val : ()->
if (arguments.length is 0) or (typeof arguments[0] is "boolean")
@getSharedObject().val(arguments[0])
else if arguments.length is 1
newXml = new @types.XmlType(undefined, undefined, undefined, undefined, arguments[0])
@HB.addOperation(newXml).execute()
@root_element.replace newXml
newXml
else
throw new Error "can only parse 0, or 1 parameter!"
#
# @see Operation.on
#
on: ()->
@getSharedObject().on arguments...
module.exports = XmlFramework
if window?
if not window.Y?
window.Y = {}
window.Y.XmlFramework = XmlFramework