49 lines
1.4 KiB
GDScript3
49 lines
1.4 KiB
GDScript3
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static func concat_with_iterable_(sources : IterableBase) -> Observable:
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var subscribe = func(observer : ObserverBase, scheduler_ : SchedulerBase = null) -> DisposableBase:
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var _scheduler = scheduler_ if scheduler_ != null else CurrentThreadScheduler.singleton()
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var sources_ : Iterator = sources.iter()
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var subscription = SerialDisposable.new()
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var cancelable = SerialDisposable.new()
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var is_disposed = RefValue.Set(false)
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var action = func(_scheduler : SchedulerBase, _state = null, action_ = func(__, ___, ____): return):
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if is_disposed.v:
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return
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var on_completed = func():
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cancelable.disposable = _scheduler.schedule(action_.bind(action_))
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var current = RefValue.Null()
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if GDRx.try(func():
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current.v = sources_.next()
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) \
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.catch("Error", func(err):
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observer.on_error(err)
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) \
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.end_try_catch():
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pass
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elif current.v is ItEnd:
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observer.on_completed()
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else:
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var d = SingleAssignmentDisposable.new()
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subscription.disposable = d
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d.disposable = current.v.subscribe(
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observer.on_next,
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observer.on_error,
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on_completed,
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scheduler_
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)
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action = action.bind(action)
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cancelable.disposable = _scheduler.schedule(action)
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var dispose = func():
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is_disposed.v = true
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return CompositeDisposable.new([subscription, cancelable, Disposable.new(dispose)])
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return Observable.new(subscribe)
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