1 files changed, 105 insertions, 0 deletions
diff --git a/tools/config-doc.py b/tools/config-doc.py
new file mode 100755
index 000000000..c55b2b5ef
--- /dev/null
+++ b/tools/config-doc.py
@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+
+import re
+import os
+import argparse
+
+_KEYS_FILE = os.path.join(
+    os.path.dirname(__file__), "../src/main/java/org/traccar/config/Keys.java"
+)
+
+
+def get_config_keys():
+    """Parses Keys.java to extract keys to be used in configuration files
+
+    Args: None
+
+    Returns:
+        list: A list of dict containing the following keys -
+            'key': A dot separated name of the config key
+            'description': A list of str
+    """
+    desc_re = re.compile(r"(/\*\*\n|\s+\*/|\s+\*)")
+    key_match_re = re.compile(r"\(\n(.+)\);", re.DOTALL)
+    key_split_re = re.compile(r",\s+", re.DOTALL)
+    types_match_re = re.compile(r"List\.of\(([^)]+)\)", re.DOTALL)
+    keys = []
+
+    with open(_KEYS_FILE, "r") as f:
+        config = re.findall(
+            r"(/\*\*.*?\*/)\n\s+(public static final Config.*?;)", f.read(), re.DOTALL
+        )
+        for i in config:
+            try:
+                key_match = key_match_re.search(i[1])
+                if key_match:
+                    terms = [x.strip() for x in key_split_re.split(key_match.group(1))]
+                    key = terms[0].replace('"', "")
+                    key = "[protocol]" + key if key.startswith('.') else key
+                    description = [
+                        x.strip().replace("\n", "")
+                        for x in desc_re.sub("\n", i[0]).strip().split("\n\n")
+                    ]
+                    types_match = types_match_re.search(i[1])
+                    types = map(lambda x: x[8:].lower(), types_match[1].split(", "))
+                    keys.append(
+                        {
+                            "key": key,
+                            "description": description,
+                            "types": types,
+                        }
+                    )
+            except IndexError:
+                # will continue if key_match.group(1) or terms[0] does not exist
+                # for some reason
+                pass
+
+    return keys
+
+
+def get_html():
+    return ("\n").join(
+        [
+            f"""        <div class="card mt-3">
+          <div class="card-body">
+              <h5 class="card-title">
+                {x["key"]}
+              </h5>
+              <p class="card-text">
+                {"<br /> ".join(x["description"])}
+              </p>
+          </div>
+        </div>"""
+            for x in get_config_keys()
+        ]
+    )
+
+
+def get_pug():
+    return ("\n").join(
+        [
+            f"""  div(class='card mt-3')
+    div(class='card-body')
+      h5(class='card-title') {x["key"]} {" ".join(map("#[span(class='badge badge-dark') {:}]".format, x["types"]))}
+      p(class='card-text') {"#[br] ".join(x["description"])}"""
+            for x in get_config_keys()
+        ]
+    )
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Parses Keys.java to extract keys to be used in configuration files"
+    )
+    parser.add_argument(
+        "--format", choices=["pug", "html"], default="pug", help="default: 'pug'"
+    )
+    args = parser.parse_args()
+
+    def get_output():
+        if args.format == 'html':
+            return get_html()
+        
+        return get_pug()
+
+    print(get_output())