Source code for binaryninja.undoaction

# Copyright (c) 2015-2017 Vector 35 LLC
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import traceback
import json
import ctypes

# Binary Ninja components
import _binaryninjacore as core
from enums import ActionType
import startup
import log


[docs]class UndoAction(object): name = None action_type = None _registered = False _registered_cb = None
[docs] def __init__(self, view): self._cb = core.BNUndoAction() if not self.__class__._registered: raise TypeError("undo action type not registered") action_type = self.__class__.action_type if isinstance(action_type, str): self._cb.type = ActionType[action_type] else: self._cb.type = action_type self._cb.context = 0 self._cb.undo = self._cb.undo.__class__(self._undo) self._cb.redo = self._cb.redo.__class__(self._redo) self._cb.serialize = self._cb.serialize.__class__(self._serialize) self.view = view
@classmethod
[docs] def register(cls): startup._init_plugins() if cls.name is None: raise ValueError("undo action 'name' not defined") if cls.action_type is None: raise ValueError("undo action 'action_type' not defined") cb_type = ctypes.CFUNCTYPE(ctypes.c_bool, ctypes.c_void_p, ctypes.c_char_p, ctypes.POINTER(core.BNUndoAction)) cls._registered_cb = cb_type(cls._deserialize) core.BNRegisterUndoActionType(cls.name, 0, cls._registered_cb) cls._registered = True
@classmethod def _deserialize(cls, ctxt, data, result): try: action = cls.deserialize(json.loads(data)) if action is None: return False result.context = action._cb.context result.undo = action._cb.undo result.redo = action._cb.redo result.serialize = action._cb.serialize return True except: log.log_error(traceback.format_exc()) return False def _undo(self, ctxt, view): try: self.undo() except: log.log_error(traceback.format_exc()) return False def _redo(self, ctxt, view): try: self.redo() except: log.log_error(traceback.format_exc()) return False def _serialize(self, ctxt): try: return json.dumps(self.serialize()) except: log.log_error(traceback.format_exc()) return "null"