| """ |
| All of the Enums that are used throughout the chardet package. |
| |
| :author: Dan Blanchard (dan.blanchard@gmail.com) |
| """ |
| |
| from enum import Enum, Flag |
| |
| |
| class InputState: |
| """ |
| This enum represents the different states a universal detector can be in. |
| """ |
| |
| PURE_ASCII = 0 |
| ESC_ASCII = 1 |
| HIGH_BYTE = 2 |
| |
| |
| class LanguageFilter(Flag): |
| """ |
| This enum represents the different language filters we can apply to a |
| ``UniversalDetector``. |
| """ |
| |
| NONE = 0x00 |
| CHINESE_SIMPLIFIED = 0x01 |
| CHINESE_TRADITIONAL = 0x02 |
| JAPANESE = 0x04 |
| KOREAN = 0x08 |
| NON_CJK = 0x10 |
| ALL = 0x1F |
| CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL |
| CJK = CHINESE | JAPANESE | KOREAN |
| |
| |
| class ProbingState(Enum): |
| """ |
| This enum represents the different states a prober can be in. |
| """ |
| |
| DETECTING = 0 |
| FOUND_IT = 1 |
| NOT_ME = 2 |
| |
| |
| class MachineState: |
| """ |
| This enum represents the different states a state machine can be in. |
| """ |
| |
| START = 0 |
| ERROR = 1 |
| ITS_ME = 2 |
| |
| |
| class SequenceLikelihood: |
| """ |
| This enum represents the likelihood of a character following the previous one. |
| """ |
| |
| NEGATIVE = 0 |
| UNLIKELY = 1 |
| LIKELY = 2 |
| POSITIVE = 3 |
| |
| @classmethod |
| def get_num_categories(cls) -> int: |
| """:returns: The number of likelihood categories in the enum.""" |
| return 4 |
| |
| |
| class CharacterCategory: |
| """ |
| This enum represents the different categories language models for |
| ``SingleByteCharsetProber`` put characters into. |
| |
| Anything less than CONTROL is considered a letter. |
| """ |
| |
| UNDEFINED = 255 |
| LINE_BREAK = 254 |
| SYMBOL = 253 |
| DIGIT = 252 |
| CONTROL = 251 |
