Add source code files

src/codeguard/utils/config.py

@@ -0,0 +1,54 @@
+"""Configuration loader for CodeGuard."""
+
+from pathlib import Path
+from typing import Optional
+from codeguard.core.models import Config, Language, Severity
+import yaml
+
+
+class ConfigLoader:
+    @staticmethod
+    def load(config_path: str = "codeguard.yaml") -> Config:
+        path = Path(config_path)
+
+        if not path.exists():
+            return Config()
+
+        try:
+            with open(path, "r") as f:
+                data = yaml.safe_load(f) or {}
+
+            languages = []
+            for lang in data.get("languages", []):
+                detected = LanguageDetector.get_language_by_name(lang)
+                if detected:
+                    languages.append(detected)
+
+            severity = Severity.INFO
+            if "severity_threshold" in data:
+                try:
+                    severity = Severity(data["severity_threshold"])
+                except ValueError:
+                    pass
+
+            return Config(
+                model=data.get("model", "codellama"),
+                languages=languages or [Language.PYTHON],
+                severity_threshold=severity,
+                fail_on_critical=data.get("fail_on_critical", False),
+                max_file_size=data.get("max_file_size", 100000),
+                chunk_size=data.get("chunk_size", 8000),
+                custom_rules=data.get("custom_rules", []),
+            )
+        except Exception:
+            return Config()
+
+
+class LanguageDetector:
+    @staticmethod
+    def get_language_by_name(name: str) -> Optional[Language]:
+        name = name.lower()
+        for lang in Language:
+            if lang.value == name:
+                return lang
+        return None