"""Language and file detection utilities."""
from __future__ import annotations
from pathlib import Path
from mcp_refactoring.config import get_config
def get_file_extension(path: str) -> str | None:
"""Get the file extension from a path.
Args:
path: File path (may include target specifiers like ::Class::method)
Returns:
File extension without the dot, or None if no extension
"""
# Extract just the file path (before any :: or # target specifiers)
file_path = path.split("::")[0].split("#")[0]
p = Path(file_path)
if p.suffix:
return p.suffix[1:] # Remove the leading dot
return None
def detect_language(path: str) -> str | None:
"""Detect the programming language from a file path.
Args:
path: File path (may include target specifiers)
Returns:
Language identifier (e.g., 'python', 'ruby') or None if unknown
"""
ext = get_file_extension(path)
if ext is None:
return None
config = get_config()
return config.detection.extensions.get(ext)
def get_available_languages() -> list[str]:
"""Get list of languages with enabled backends.
Returns:
List of language identifiers with enabled backends
"""
config = get_config()
return [
lang for lang, backend in config.backends.items() if backend.enabled
]
