:sparkles: 实现消息事件

1 files changed, 38 insertions, 5 deletions

diff --git a/src/hydrorollcore/event.py b/src/hydrorollcore/event.py
index e8edeb98..bec0399e 100644
--- a/src/hydrorollcore/event.py
+++ b/src/hydrorollcore/event.py
@@ -1,12 +1,45 @@
-from abc import ABCMeta
+from .typing import Dict
+from .log import logger
 
+import re
 
-class Event(metaclass=ABCMeta):
+__all__ = ["Event", "events"]
+
+
+class Events:
+    """事件集合"""
+
+    _events: Dict[str, str] = {}
+
+    def regist(self, name: str, output: str) -> None:
+        self._events[name.lower()] = output
+
+    def process(self, name: str, **kwargs) -> str:
+        string = self._events.get(name.lower())
+        if not string:
+            logger.warning(f"事件[{name.lower()}]不存在，将返回空字符串！")
+            return ""
+        else:
+            return self._format(string, **kwargs)
+
+    def _format(self, string: str, **kwargs):
+        pattern = r"{(.*?)}"
+        values = re.findall(pattern, string)
+        for value in values:
+            kwarg = kwargs.get(value)
+            value = kwarg if kwarg else ""
+            string = re.sub(pattern, value, string)
+        return string
+
+
+class Event:
     """事件基类"""
 
     name: str
     output: str
 
-    def __init__(self, name: str, output: str) -> None:
-        self.name = name
-        self.output = output
+    def __init_subclass__(cls) -> None:
+        events.regist(cls.name, cls.output)
+
+
+events = Events()