mirror of
https://github.com/lihop/godot-xterm.git
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8d76d3500c
With the exception of text_decoder.gd the code in these files follows the original so closely that it doesn't qualify as an original work and so there is nothing new to copyright. Instead, the original license text is kept with a note mentioning the port to GDScript.
77 lines
1.6 KiB
GDScript
77 lines
1.6 KiB
GDScript
# Copyright (c) 2019 The xterm.js authors. All rights reserved.
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# Ported to GDScript by the GodotXterm authors.
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# License MIT
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extends Reference
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const Decoder = preload("res://addons/godot_xterm/input/text_decoder.gd")
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const EMPTY_HANDLERS = []
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var _handlers: Dictionary = {}
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var _active: Array = EMPTY_HANDLERS
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var _ident: int = 0
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var _handler_fb: Dictionary
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func _init():
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pass
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func set_handler(ident: int, handler):
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_handlers[ident] = [handler]
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func clear_handler(ident: int):
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_handlers.erase(ident)
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func set_handler_fallback(target, method):
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_handler_fb = {'target': target, 'method': method}
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func reset():
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if _active.size():
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unhook(false)
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_active = EMPTY_HANDLERS
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_ident = 0
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func hook(ident: int, params):
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# always reset leftover handlers
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reset()
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_ident = ident
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_active = _handlers[ident] if _handlers.has(ident) else EMPTY_HANDLERS
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if _active.empty():
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_handler_fb['target'].call(_handler_fb['method'], _ident, 'HOOK', params)
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else:
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_active.invert()
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for handler in _active:
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handler.hook(params)
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_active.invert()
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func put(data: Array, start: int, end: int):
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if _active.empty():
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_handler_fb['target'].call(_handler_fb['method'], _ident, 'PUT',
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Decoder.utf32_to_string(data, start, end))
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else:
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_active.invert()
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for handler in _active:
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handler.put(data, start, end)
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_active.invert()
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func unhook(success: bool):
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if _active.empty():
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_handler_fb['target'].call(_handler_fb['method'], _ident, 'UNHOOK', success)
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else:
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_active.invert()
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for handler in _active:
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if handler.unhook(success) != false:
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success = false # will cleanup left over handlers
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_active.invert()
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_active = EMPTY_HANDLERS
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_ident = 0
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