[taginfo] Add generate_taginfo.py

Signed-off-by: David Martinez <47610359+dvdmrtnz@users.noreply.github.com>

tools/python/generate_taginfo.py

@@ -0,0 +1,108 @@
+import re
+import json
+from datetime import datetime, timezone
+from pathlib import Path
+
+SCRIPT_DIR: Path = Path(__file__).parent.resolve()
+MAPCSS_FILE: Path = SCRIPT_DIR / "../../data/styles/default/include/Icons.mapcss"
+TAGINFO_FILE: Path = SCRIPT_DIR / "../../data/taginfo.json"
+
+BASE_ICON_URL: str = "https://raw.githubusercontent.com/organicmaps/organicmaps/master/data/styles/default/light/symbols/"
+
+PROJECT_INFO: dict[str, str] = {
+    "name": "Organic Maps",
+    "description": "Free Android & iOS offline maps app for travelers, tourists, hikers, and cyclists",
+    "project_url": "https://organicmaps.app",
+    "doc_url": "https://github.com/organicmaps/organicmaps",
+    "icon_url": "https://organicmaps.app/logos/green-on-transparent.svg",
+    "contact_name": "Organic Maps",
+    "contact_email": "hello@organicmaps.app"
+}
+
+def parse_mapcss(text: str) -> list[dict[str, any]]:
+    tags: dict[tuple[str, str | None, str], dict[str, any]] = {}
+
+    # Split blocks into: selector { props }
+    blocks: list[tuple[str, str]] = re.findall(r"([^\{]+)\{([^\}]*)\}", text, re.MULTILINE)
+
+    for selector, props in blocks:
+        # Extract icon filename from props
+        icon_re: re.Pattern = re.compile(r"icon-image:\s*([^;]+);")
+        icon_match: re.Match | None = icon_re.search(props)
+        icon_url: str | None = None
+        if icon_match:
+            icon_file: str = icon_match.group(1).strip()
+            if icon_file and icon_file.lower() not in ["none", "zero-icon.svg"]:
+                icon_url = BASE_ICON_URL + icon_file
+
+        # Split the selector into lines
+        lines: list[str] = [line.strip() for line in selector.split("\n") if line.strip()]
+        for line in lines:
+            # Find anything inside square brackets
+            square_brackets_re: re.Pattern = re.compile(r"\[(.*?)\]")
+            square_brackets: list[str] = square_brackets_re.findall(line)
+            if not square_brackets:
+                continue
+
+            # Find key=value pairs
+            pairs: list[tuple[str, str | None]] = []
+            for sqb in square_brackets:
+                key, sep, value = sqb.partition("=")
+                key = key.strip()
+                if key.startswith("!"):
+                    continue  # skip negated keys
+                value = value.strip() if sep else None
+                pairs.append((key, value))
+
+            # Hardcode: convert value "not" to "no"
+            pairs = [(k, "no" if v == "not" else v) for k, v in pairs]
+
+            if not pairs:
+                continue  # skip if no valid pairs
+
+            # Build shared description from all pairs
+            desc: str = " + ".join(f"{k}={v if v is not None else '*'}" for k, v in pairs)
+
+            # Emit a tag per pair
+            for key, value in pairs:
+                tag_id: tuple[str, str | None, str] = (key, value, desc)
+                if tag_id not in tags:
+                    tag: dict[str, any] = {
+                        "description": desc,
+                        "key": key,
+                    }
+                    if value is not None:
+                        tag["value"] = value
+                    if icon_url:
+                        tag["icon_url"] = icon_url
+                    tags[tag_id] = tag
+                else:
+                    if icon_url:
+                        tags[tag_id]["icon_url"] = icon_url
+
+    # Sort by description, then key, then value
+    return sorted(tags.values(), key=lambda x: (x["description"], x["key"], x.get("value", "")))
+
+
+def main() -> None:
+    with open(MAPCSS_FILE, "r", encoding="utf-8") as f:
+        mapcss: str = f.read()
+
+    tags: list[dict[str, any]] = parse_mapcss(mapcss)
+
+    data: dict[str, any] = {
+        "data_format": 1,
+        "data_url": "https://raw.githubusercontent.com/organicmaps/organicmaps/master/data/taginfo.json",
+        "data_updated": datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ"),
+        "project": PROJECT_INFO,
+        "tags": tags
+    }
+
+    with open(TAGINFO_FILE, "w", encoding="utf-8") as f:
+        json.dump(data, f, indent=4, ensure_ascii=False)
+
+    print(f"✅ JSON saved to {TAGINFO_FILE}")
+
+
+if __name__ == "__main__":
+    main()