allow ElementParser to find multiple matches

hotdog/functions.py

@@ -281,12 +281,15 @@ def capped_text(text: str, max_len: int, mark=" […]") -> str:
 class ElementParser(HTMLParser):
     """Parse HTML for the first matching element"""
 
-    def __init__(self, selector: Callable[[str, Mapping[str, str]], bool]):
+    def __init__(
+        self, selector: Callable[[str, Mapping[str, str]], bool], stop_after_one=True
+    ):
         super().__init__()
         self.selector = selector
+        self.stop_after_one = stop_after_one
         self.__active_tag = None
-        self.done = False
         self.__value = ""
+        self.values = []
 
     def handle_starttag(self, tag, attrs):
         if self.selector(tag, attrs):
@@ -294,21 +297,26 @@ class ElementParser(HTMLParser):
 
     def handle_endtag(self, tag):
         if tag == self.__active_tag:
-            self.done = True
+            self.values.append(self.__value)
+            self.__value = ""
             self.__active_tag = None
 
     def handle_data(self, data):
-        if self.__active_tag and not self.done:
+        if self.__active_tag:
             self.__value += data
 
     @property
     def value(self) -> Optional[str]:
-        return self.__value if self.done else None
+        return self.values[0] if self.values else None
+
+    @property
+    def done(self) -> bool:
+        return bool(self.values)
 
     def load_chunks(self, content: Iterable[str]) -> None:
         for chunk in content:
             self.feed(chunk)
-            if self.done:
+            if self.stop_after_one and self.values:
                 break