state_interface.py

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from enum import Enum
from abc import ABC, abstractmethod
 
 
 
class CurrentState(Enum):
    
    Initial = 0
    
    
    NormalText = 1
    
    
    DoubleQuotedText = 2
    
    
    SingleQuotedText = 3
    
    
    EscapedDoubleQuoteText = 4
    
    
    EscapedSingleQuoteText = 5
    
    
    StartComment = 6
    
    
    LineComment = 7
    
    
    BlockComment = 8
    
    
    EndBlockComment = 9
    
    
    Done = 10
 
 
 
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Interface definitions
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 
class SpecialCase:
    
    EOF_CHAR = 0xff
 
 
 
 
 
 
class IStateContext(ABC):
 
    
    @abstractmethod
    def GetNextCharacter(self) -> int:
        pass
 
    
    @abstractmethod
    def OutputCharacter(self, character : int) -> None:
        pass
 
 
 
 
 
 
class IStateBehavior(ABC):
 
    
    def GoNext(context : IStateContext) -> CurrentState:
        pass