update completion feature

server/src/common/completion_list.json

@@ -1,11 +1,11 @@
 {
-    "tcl": {
-        "keywords": [
-            "proc",
-            "puts",
-            "if"
-        ]
-    },
+    "tcl": [
+        "proc",
+        "puts",
+        "if",
+        "else",
+        "elseif"
+    ],
     "MOM_procs": [
         "MOM_output_literal",
         "MOM_ask_ude_info",

server/src/common/load_data.py

@@ -0,0 +1,28 @@
+import json
+import lsprotocol.types as lsp
+import pathlib
+
+
+class StandardCompletionItems:
+    def __init__(self):
+        self.__tcl_keyword_list = self.load_tcl_keyword()
+
+    @property
+    def tcl_keyword_list(self):
+        return self.__tcl_keyword_list
+
+    def load_tcl_keyword(self) -> list[lsp.CompletionItem]:
+        with open(
+            pathlib.Path(__file__).parent.joinpath("completion_list.json"), "r"
+        ) as f:
+            data = json.load(f)
+
+        items = []
+        for i in data.get("tcl", []):
+            items.append(
+                lsp.CompletionItem(label=i, kind=lsp.CompletionItemKind.Keyword)
+            )
+        return items
+
+
+standard_items = StandardCompletionItems()