add [lb], [rb], and [@] tags

app/lib/babycode_parser.py

@@ -11,6 +11,7 @@ PAT_MENTION = r'[a-zA-Z0-9_-]'
 class Parser:
     def __init__(self, src_str):
         self.valid_bbcode_tags = {}
+        self.void_bbcode_tags = {}
         self.valid_emotes = []
         self.bbcode_tags_only_text_children = []
         self.mentions_allowed = True
@@ -228,11 +229,46 @@ class Parser:
         }
 
 
+    def parse_bbcode_void(self):
+        self.save_position()
+
+        if not self.check_char("["):
+            self.restore_position()
+            return None
+
+        name = self.match_pattern(PAT_BBCODE_TAG)
+
+        if name == "":
+            self.restore_position()
+            return None
+
+        attr = None
+
+        if self.check_char("="):
+            attr = self.match_pattern(PAT_BBCODE_ATTR)
+
+        if not self.check_char("]"):
+            self.restore_position()
+            return None
+
+        if not name in self.void_bbcode_tags:
+            self.restore_position()
+            return None
+
+        self.forget_position()
+        return {
+            'type': 'bbcode_void',
+            'name': name,
+            'attr': attr,
+        }
+
+
     def parse_element(self, siblings):
         if self.is_end_of_source():
             return None
 
         element = self.parse_emote() \
+            or self.parse_bbcode_void() \
             or self.parse_bbcode() \
             or self.parse_rule() \
             or self.parse_link() \