From de02848a69a8158b846ba66bb2b03b2fe14a4e4a Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Tue, 25 Jun 2019 05:47:57 +0200
Subject: [PATCH] Revert "Delete style utils.py and move its content inside
 html.py The HTML parser is now the only one that makes use of those util
 methods"

This reverts commit cd1e41b1
---
 pyrogram/client/style/html.py  | 23 +++------------------
 pyrogram/client/style/utils.py | 37 ++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 20 deletions(-)
 create mode 100644 pyrogram/client/style/utils.py

diff --git a/pyrogram/client/style/html.py b/pyrogram/client/style/html.py
index 9376f793..1748fa58 100644
--- a/pyrogram/client/style/html.py
+++ b/pyrogram/client/style/html.py
@@ -20,11 +20,11 @@ import html
 import re
 from collections import OrderedDict
 from html.parser import HTMLParser
-from struct import unpack
 
 import pyrogram
 from pyrogram.api import types
 from pyrogram.errors import PeerIdInvalid
+from . import utils
 
 
 class Parser(HTMLParser):
@@ -111,28 +111,11 @@ class Parser(HTMLParser):
 
 
 class HTML:
-    # SMP = Supplementary Multilingual Plane: https://en.wikipedia.org/wiki/Plane_(Unicode)#Overview
-    SMP_RE = re.compile(r"[\U00010000-\U0010FFFF]")
-
     def __init__(self, client: "pyrogram.BaseClient" = None):
         self.client = client
 
-    @staticmethod
-    def add_surrogates(text):
-        # Replace each SMP code point with a surrogate pair
-        return HTML.SMP_RE.sub(
-            lambda match:  # Split SMP in two surrogates
-            "".join(chr(i) for i in unpack("<HH", match.group().encode("utf-16le"))),
-            text
-        )
-
-    @staticmethod
-    def remove_surrogates(text):
-        # Replace each surrogate pair with a SMP code point
-        return text.encode("utf-16", "surrogatepass").decode("utf-16")
-
     def parse(self, text: str):
-        text = HTML.add_surrogates(str(text or "").strip())
+        text = utils.add_surrogates(str(text or "").strip())
 
         parser = Parser(self.client)
         parser.feed(text)
@@ -140,6 +123,6 @@ class HTML:
 
         # TODO: OrderedDict to be removed in Python 3.6
         return OrderedDict([
-            ("message", HTML.remove_surrogates(parser.text)),
+            ("message", utils.remove_surrogates(parser.text)),
             ("entities", parser.entities)
         ])
diff --git a/pyrogram/client/style/utils.py b/pyrogram/client/style/utils.py
new file mode 100644
index 00000000..b001f1cf
--- /dev/null
+++ b/pyrogram/client/style/utils.py
@@ -0,0 +1,37 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+from struct import unpack
+
+# SMP = Supplementary Multilingual Plane: https://en.wikipedia.org/wiki/Plane_(Unicode)#Overview
+SMP_RE = re.compile(r"[\U00010000-\U0010FFFF]")
+
+
+def add_surrogates(text):
+    # Replace each SMP code point with a surrogate pair
+    return SMP_RE.sub(
+        lambda match:  # Split SMP in two surrogates
+        "".join(chr(i) for i in unpack("<HH", match.group().encode("utf-16le"))),
+        text
+    )
+
+
+def remove_surrogates(text):
+    # Replace each surrogate pair with a SMP code point
+    return text.encode("utf-16", "surrogatepass").decode("utf-16")