Remove some apparently unused inbound formatting

matrix_appservice_kakaotalk/formatter/from_kakaotalk.py

@@ -24,61 +24,9 @@ from ..kt.types.chat.attachment.mention import MentionStruct
 
 from .. import puppet as pu, user as u
 
-_START = r"^|\s"
+
-_END = r"$|\s"
-_TEXT_NO_SURROUNDING_SPACE = r"(?:[^\s].*?[^\s])|[^\s]"
-COMMON_REGEX = re.compile(rf"({_START})([_~*])({_TEXT_NO_SURROUNDING_SPACE})\2({_END})")
-INLINE_CODE_REGEX = re.compile(rf"({_START})(`)(.+?)`({_END})")
 MENTION_REGEX = re.compile(r"@(\d+)\u2063(.+?)\u2063")
 
-tags = {"_": "em", "*": "strong", "~": "del", "`": "code"}
-
-
-def _handle_match(html: str, match: Match, nested: bool) -> tuple[str, int]:
-    start, end = match.start(), match.end()
-    prefix, sigil, text, suffix = match.groups()
-    if nested:
-        text = _convert_formatting(text)
-    tag = tags[sigil]
-    # We don't want to include the whitespace suffix length, as that could be used as the
-    # whitespace prefix right after this formatting block.
-    pos = start + len(prefix) + (2 * len(tag) + 5) + len(text)
-    html = f"{html[:start]}{prefix}<{tag}>{text}</{tag}>{suffix}{html[end:]}"
-    return html, pos
-
-
-def _convert_formatting(html: str) -> str:
-    pos = 0
-    while pos < len(html):
-        i_match = INLINE_CODE_REGEX.search(html, pos)
-        c_match = COMMON_REGEX.search(html, pos)
-        if i_match and c_match:
-            match = min(i_match, c_match, key=lambda match: match.start())
-        else:
-            match = i_match or c_match
-
-        if match:
-            html, pos = _handle_match(html, match, nested=match != i_match)
-        else:
-            break
-    return html
-
-
-def _handle_blockquote(output: list[str], blockquote: bool, line: str) -> tuple[bool, str]:
-    if not blockquote and line.startswith("&gt; "):
-        line = line[len("&gt; ") :]
-        output.append("<blockquote>")
-        blockquote = True
-    elif blockquote:
-        if line.startswith("&gt;"):
-            line = line[len("&gt;") :]
-            if line.startswith(" "):
-                line = line[1:]
-        else:
-            output.append("</blockquote>")
-            blockquote = False
-    return blockquote, line
-
 
 async def kakaotalk_to_matrix(msg: str | None, mentions: list[MentionStruct] | None) -> TextMessageEventContent:
     # TODO Shouts