From a30e419820ce40f209c674650477bae1947d85ec Mon Sep 17 00:00:00 2001
From: Sun Howwrongbum <sun@libermatic.com>
Date: Sat, 1 Jan 2022 16:32:25 +0530
Subject: docs: refactor config keys generation

---
 tools/gen_config_doc.py | 66 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 23 deletions(-)

diff --git a/tools/gen_config_doc.py b/tools/gen_config_doc.py
index e309da942..caedba577 100644
--- a/tools/gen_config_doc.py
+++ b/tools/gen_config_doc.py
@@ -8,50 +8,70 @@ _KEYS_FILE = os.path.join(
     os.path.dirname(__file__), "../src/main/java/org/traccar/config/Keys.java"
 )
 
-def get_config_key_descriptions():
+
+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)
-    snippets = []
+    keys = []
 
     with open(_KEYS_FILE, "r") as f:
-        code = f.read()
         config = re.findall(
-            r"(/\*\*.*?\*/)\n\s+(public static final Config.*?;)", code, re.DOTALL
+            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:
-                    description = "<br /> ".join(
-                        [
-                            x.strip().replace("\n", "")
-                            for x in desc_re.sub("\n", i[0]).strip().split("\n\n")
-                        ]
-                    )
                     terms = [x.strip() for x in key_split_re.split(key_match.group(1))]
                     key = terms[0].replace('"', "")
-                    default = terms[2] if len(terms) == 3 else None
-                    snippets.append(
-                        f"""        <div class="card mt-3">
+                    description = [
+                        x.strip().replace("\n", "")
+                        for x in desc_re.sub("\n", i[0]).strip().split("\n\n")
+                    ]
+                    if len(terms) == 3:
+                        description.append(f"Default: {terms[2]}")
+                    keys.append(
+                        {
+                            "key": key,
+                            "description": description,
+                        }
+                    )
+            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">
-                {key} <span class="badge badge-dark">config</span>
+                {x["key"]} <span class="badge badge-dark">config</span>
               </h5>
               <p class="card-text">
-                {description}{f"<br/ > Default: {default}." if default else ""}
+                {"<br /> ".join(x["description"])}
               </p>
           </div>
         </div>"""
-                    )
-            except IndexError:
-                # will continue if key_match.group(1) or terms[0] does not exist
-                # for some reason
-                pass
-
-    return ("\n").join(snippets)
+            for x in get_config_keys()
+        ]
+    )
 
 
 if __name__ == "__main__":
-    html = get_config_key_descriptions()
+    html = get_html()
     print(html)
-- 
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