Add support for ITEM EFFECTS section

README.md

@@ -34,7 +34,6 @@ BCCE is in active development and this may break at any time; see the first para
 
 These sections in the BCEX/BCCE spoiler logs currently have no logic and I'm aware of it. That doesn't mean sections *not* listed here have support; they may not and I'm not aware of them.
 
-- ITEM EFFECTS
 - SHOPS
 - TREASURE CHESTS
 - JUNCTIONS

main.py

@@ -10,12 +10,11 @@ import sys
 from pathlib import Path
 
 
-class Parser:
+class Parser:  # noqa: PLR0904
     """
     BCEX/BCCE spoiler logfile parser.
 
     Sections missing support:
-    - ITEM EFFECTS
     - SHOPS
     - TREASURE CHESTS
     - JUNCTIONS
@@ -501,6 +500,7 @@ class Parser:
         need.
         """
         result = {}
+        mode = None
 
         for line in data.split("\n"):
             if "-----" in line or not line.strip():
@@ -517,6 +517,68 @@ class Parser:
 
         return result
 
+    @staticmethod
+    def parse_ITEM_EFFECTS(data: str) -> dict[str, dict]:  # noqa: C901, PLR0912
+        """
+        Parse the BCCE-only ITEM EFFECTS section.
+
+        This is a weird chimera section with multiple sub-sections. Most of these
+        sub-sections can just be k:v or k:v, v, v parsed. Elemental properties is
+        a special indented list and special features can contain command changers
+        so we need a lot of special parsing.
+        """
+        result = {}
+        mode = None
+        item = None
+
+        for line in data.split("\n"):
+            if "-----" in line or not line.strip():
+                continue
+
+            if line == line.upper():
+                mode = line.lower().strip().replace(" ", "_")
+                result[mode] = {}
+            # Everything here is k:v splitable except the elemental properties
+            # section which is k:v but with a return and indent and multiple values.
+            elif mode == "elemental_properties":
+                if line.startswith(" "):
+                    tok_line = line.split()
+                    operator = "+" if "Gained" in tok_line else "-" if "Lost" in tok_line else ""
+                    element = tok_line[-1]
+                    effect = tok_line[2].strip(":")
+
+                    if item not in result[mode]:
+                        result[mode][item] = []
+
+                    result[mode][item].append(f"{operator}{element} {effect}")
+                else:
+                    item = line.split(":")[0]
+                    result[mode][item] = []
+            else:
+                item, effect = line.split(":")
+                item = item.strip()
+                effect = effect.strip()
+
+                for effect_token in effect.split(", "):
+                    # This is a command change. This can appear in command_changers *or* features
+                    # In either case the result goes in command changers for consistency
+                    if "->" in effect_token:
+                        old, new = effect_token.split("->")
+                        # We don't have a guarantee COMMAND CHANGERS is in yet...
+                        if "command_changers" not in result:
+                            result["command_changers"] = {}
+                        if item not in result["command_changers"]:
+                            result["command_changers"][item] = {}
+
+                        result["command_changers"][item][old.strip()] = new.strip()
+                    # Everything else should hopefully just be a basic effect list
+                    else:
+                        if item not in result[mode]:
+                            result[mode][item] = []
+                        result[mode][item].append(effect_token.strip())
+
+        return result
+
     @staticmethod
     def cleanup_STATS(data: dict) -> bool:
         """