From cd27baa8d65b36cfb1d030bc5a578ac6efb45445 Mon Sep 17 00:00:00 2001
From: firedotguy <nta16022013@gmail.com>
Date: Sat, 28 Feb 2026 23:27:41 +0300
Subject: [PATCH] feat: add spans

---
 itd/enums.py       |  11 ++++-
 itd/models/post.py |   1 +
 itd/request.py     |   2 +-
 itd/utils.py       | 114 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 126 insertions(+), 2 deletions(-)
 create mode 100644 itd/utils.py

diff --git a/itd/enums.py b/itd/enums.py
index 8eb094e..201373f 100644
--- a/itd/enums.py
+++ b/itd/enums.py
@@ -39,4 +39,13 @@ class AccessType(Enum):
     NOBODY = 'nobody' # никто
     MUTUAL = 'mutual' # взаимные
     FOLLOWERS = 'followers' # подписчики
-    EVERYONE = 'everyone' # все
\ No newline at end of file
+    EVERYONE = 'everyone' # все
+
+class SpanType(Enum):
+    MONOSPACE = 'monospace' # моноширный (код)
+    STRIKE = 'strike' # зачеркнутый
+    BOLD = 'bold' # жирный
+    ITALIC = 'italic' # курсив
+    SPOILER = 'spoiler' # спойлер
+    UNDERLINE = 'underline' # подчеркнутый
+    HASHTAG = 'hashtag' # хэштэг ? (появляется только при получении постов, при создании нету)
diff --git a/itd/models/post.py b/itd/models/post.py
index 5a8eaa1..affc289 100644
--- a/itd/models/post.py
+++ b/itd/models/post.py
@@ -7,6 +7,7 @@ from itd.models.user import UserPost, UserNewPost
 from itd.models._text import TextObject
 from itd.models.file import PostAttach
 from itd.models.comment import Comment
+from itd.enums import SpanType
 
 
 class NewPollOption(BaseModel):
diff --git a/itd/request.py b/itd/request.py
index 391025c..a5acaa0 100644
--- a/itd/request.py
+++ b/itd/request.py
@@ -39,7 +39,7 @@ def fetch(token: str, method: str, url: str, params: dict = {}, files: dict[str,
             raise RateLimitExceeded(res.json()['error'].get('retryAfter', 0))
         if res.json().get('error', {}).get('code') == 'UNAUTHORIZED':
             raise Unauthorized()
-        if res.json().get('error', {}).get('code') == 'ACCOUNT_BANNED':
+        if res.json().get('error', {}).get('code') in ('ACCOUNT_BANNED', 'USER_BLOCKED'):
             raise AccountBanned()
         if res.json().get('error', {}).get('code') == 'PROFILE_REQUIRED':
             raise ProfileRequired()
diff --git a/itd/utils.py b/itd/utils.py
new file mode 100644
index 0000000..5074ea6
--- /dev/null
+++ b/itd/utils.py
@@ -0,0 +1,114 @@
+# новая версия от чат гпт. у меня самого не получилось сделать
+from itd.models.post import Span
+from itd.enums import SpanType
+
+
+class Tag:
+    def __init__(self, open: str, close: str, type: SpanType):
+        self.open = open
+        self.close = close
+        self.type = type
+
+
+def _parse_spans(text: str, tags: list[Tag]) -> tuple[str, list[Span]]:
+    spans: list[Span] = []
+    stack: list[tuple[int, SpanType, int, int]] = []
+    clean_chars: list[str] = []
+    i = 0
+
+    while i < len(text):
+        closed = False
+        for idx, tag in enumerate(tags):
+            if text.startswith(tag.close, i) and stack and stack[-1][0] == idx:
+                _, span_type, offset, _ = stack.pop()
+                spans.append(Span(length=len(clean_chars) - offset, offset=offset, type=span_type))
+                i += len(tag.close)
+                closed = True
+                break
+        if closed:
+            continue
+
+        opened = False
+        for idx, tag in enumerate(tags):
+            if text.startswith(tag.open, i):
+                stack.append((idx, tag.type, len(clean_chars), i))
+                i += len(tag.open)
+                opened = True
+                break
+        if opened:
+            continue
+
+        clean_chars.append(text[i])
+        i += 1
+
+    if stack:
+        _, last_type, _, raw_pos = stack[-1]
+        raise ValueError(f'No closing tag for {last_type.value} at pos {raw_pos}')
+
+    spans.sort(key=lambda span: span.offset)
+    return ''.join(clean_chars), spans
+
+
+def parse_html(text: str) -> tuple[str, list[Span]]:
+    return _parse_spans(
+        text,
+        [
+            Tag('<b>', '</b>', SpanType.BOLD),
+            Tag('<i>', '</i>', SpanType.ITALIC),
+            Tag('<s>', '</s>', SpanType.STRIKE),
+            Tag('<u>', '</u>', SpanType.UNDERLINE),
+            Tag('<code>', '</code>', SpanType.MONOSPACE),
+            Tag('<spoiler>', '</spoiler>', SpanType.SPOILER),
+        ],
+    )
+
+
+# версия от человека (не работает с вложенными тэгами)
+# from re import finditer, Match
+
+# from itd.models.post import Span
+# from itd.enums import SpanType
+
+
+# class Tag:
+#     def __init__(self, open: str, close: str, type: SpanType):
+#         self.open = open
+#         self.close = close
+#         self.type = type
+
+#     def raise_error(self, pos: int):
+#         raise ValueError(f'No closing tag for {self.type.value} at pos {pos - len(self.open)}')
+
+#     def to_span(self, start: int, end: int) -> Span:
+#         return Span(length=end - (start - len(self.open)), offset=start - len(self.open), type=self.type)
+
+#     def get_pos(self, match: Match[str], text: str, offset: int) -> tuple[int, int, str]:
+#         start = match.end() - offset
+#         text = text[:match.start() - offset] + text[start:]
+#         end = text.find(self.close, start)
+#         if end == -1:
+#             self.raise_error(start)
+
+#         return start - len(self.open), end, text[:end] + text[end + len(self.close):]
+
+
+# def parse_html(text: str) -> tuple[str, list[Span]]:
+#     spans = []
+
+#     for tag in [
+#         Tag('<b>', '</b>', SpanType.BOLD),
+#         Tag('<i>', '</i>', SpanType.ITALIC),
+#         Tag('<s>', '</s>', SpanType.STRIKE),
+#         Tag('<u>', '</u>', SpanType.UNDERLINE),
+#         Tag('<code>', '</code>', SpanType.MONOSPACE),
+#         Tag('<spoiler>', '</spoiler>', SpanType.SPOILER),
+#     ]:
+
+#         offset = 0
+#         full_text = text
+#         for match in finditer(tag.open, full_text):
+#             start, end, text = tag.get_pos(match, text, offset)
+#             spans.append(tag.to_span(start, end))
+#             offset += len(tag.open) + len(tag.close)
+
+#     return text, spans