add function to modify value to java constant

Author: MrMaydo

src/enum_generator.py

@@ -0,0 +1,11 @@
+import re
+
+
+def to_java_constant(value: str) -> str:
+    value = re.sub(r"[^A-Za-z0-9]", "_", value)  # delimiters a-a -> A_A
+    value = re.sub(r"([a-z])[_]?([A-Z])([A-Z])([a-z])", r"\1_\2_\3\4", value)  # aBCd / a_BCd-> a_B_CD
+    value = re.sub(r"([a-z])([A-Z])", r"\1_\2", value)  # aA -> A_A
+    value = re.sub(r"([A-Za-z])([0-9])", r"\1_\2", value)  # a9 / A9 -> a_9
+    value = re.sub(r"([0-9])([A-Za-z])", r"\1_\2", value)  # 9a / 9A -> 9_A
+
+    return value.upper()

tests/test_enum_generator.py

@@ -0,0 +1,23 @@
+from src.enum_generator import to_java_constant
+
+
+def test_to_java_constant():
+    values_expected = {
+        "kit": "KIT",
+        "KIT": "KIT",
+        "kitKat": "KIT_KAT",
+        "KitKat": "KIT_KAT",
+        "kit-kat": "KIT_KAT",
+        "kit-Kat": "KIT_KAT",
+        "kit_kat": "KIT_KAT",
+        "kit_Kat": "KIT_KAT",
+        "kit9": "KIT_9",
+        "kit-9": "KIT_9",
+        "kit_9": "KIT_9",
+        "kit92": "KIT_92",
+        "KiT": "KI_T",
+        "KiTKat": "KI_T_KAT",
+        "KitKAT": "KIT_KAT"
+    }
+    for key in values_expected.keys():
+        assert to_java_constant(key) == values_expected[key]