use charset_normalizer to read file contents

docs/conf.py

@@ -3,7 +3,7 @@
 # -- Project information -----------------------------------------------------
 
 project = "Texmate Grammar Python"
-version = "0.5.3"
+version = "0.6.0"
 copyright = f"{date.today().year}, Mark Shui Hu"
 author = "Mark Shui Hu"
 

docs/requirements.txt

@@ -234,7 +234,6 @@ pyyaml==6.0.1 ; python_version >= "3.9" and python_version < "4.0" \
     --hash=sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4 \
     --hash=sha256:9046c58c4395dff28dd494285c82ba00b546adfc7ef001486fbf0324bc174fba \
     --hash=sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8 \
-    --hash=sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef \
     --hash=sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5 \
     --hash=sha256:afd7e57eddb1a54f0f1a974bc4391af8bcce0b444685d936840f125cf046d5bd \
     --hash=sha256:b1275ad35a5d18c62a7220633c913e1b42d44b46ee12554e5fd39c70a243d6a3 \

pyproject.toml

@@ -8,7 +8,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "textmate-grammar-python"
-version = "0.5.3"
+version = "0.6.0"
 description = "A lexer and tokenizer for grammar files as defined by TextMate and used in VSCode, implemented in Python."
 authors = ["Mark Shui Hu <[email protected]>"]
 license = "MIT"
@@ -25,6 +25,7 @@ managed = true
 python = "^3.9"
 onigurumacffi = "^1.3.0"
 PyYAML = "^6.0.1"
+charset-normalizer = "^3.3.2"
 
 [tool.poetry.group.test.dependencies]
 pytest = ">=7.3.1,<9.0.0"

src/textmate_grammar/__init__.py

@@ -1 +1 @@
-__version__ = "0.5.3"
+__version__ = "0.6.0"

src/textmate_grammar/handler.py

@@ -3,6 +3,7 @@
 from pathlib import Path
 from typing import Callable
 
+import charset_normalizer as charset
 from onigurumacffi import _Match as Match
 from onigurumacffi import _Pattern as Pattern
 from onigurumacffi import compile
@@ -44,6 +45,7 @@ def __init__(
         :ivar line_lengths: A list of lengths of each line in the source code.
         :ivar anchor: The current position in the source code.
         """
+        # Proprocess the content, replace all newline characters with \n
         prepared_content = pre_processor(content.replace("\r\n", "\n").replace("\r", "\n"))
 
         self.content = prepared_content
@@ -58,9 +60,8 @@ def from_path(cls, file_path: Path, **kwargs) -> ContentHandler:
         if not file_path.exists():
             raise FileNotFound(str(file_path))
 
-        # Open file and replace Windows/Mac line endings
-        with open(file_path) as file:
-            content = file.read()
+        # Open file with best guess encoding from charset_normalizer
+        content = str(charset.from_path(file_path).best())
 
         return cls(content, **kwargs)