I can validate formatting in editor

src/myfasthtml/core/utils.py

@@ -10,6 +10,9 @@ from rich.table import Table
 from starlette.routing import Mount
 
 from myfasthtml.core.constants import Routes, ROUTE_ROOT
+from myfasthtml.core.dsl.types import Position
+from myfasthtml.core.dsls import DslsManager
+from myfasthtml.core.formatting.dsl import DSLSyntaxError
 from myfasthtml.test.MyFT import MyFT
 
 utils_app, utils_rt = fast_app()
@@ -383,12 +386,41 @@ def post(session, b_id: str, values: dict):
 
 
 @utils_rt(Routes.Completions)
-def get(session, c_id, text: str, line: int, ch: int):
+def get(session, e_id: str, text: str, line: int, ch: int):
   """
   Default routes for Domaine Specific Languages completion
   :param session:
-  :param c_id:
-  :param values:
+  :param e_id: engine_id
+  :param text:
+  :param line:
+  :param ch:
   :return:
   """
-  logger.debug(f"Entering {Routes.Bindings} with {session=}, {c_id=}, {values=}")
+  logger.debug(f"Entering {Routes.Completions} with {session=}, {e_id=}, {text=}, {line=}, {ch}")
+  completion = DslsManager.get_completion_engine(e_id)
+  result = completion.get_completions(text, Position(line, ch))
+  return result.to_dict()
+
+
+@utils_rt(Routes.Validations)
+def get(session, e_id: str, text: str, line: int, ch: int):
+  """
+  Default routes for Domaine Specific Languages syntax validation
+  :param session:
+  :param e_id:
+  :param text:
+  :param line:
+  :param ch:
+  :return:
+  """
+  logger.debug(f"Entering {Routes.Validations} with {session=}, {e_id=}, {text=}, {line=}, {ch}")
+  validation = DslsManager.get_validation_parser(e_id)
+  try:
+    validation.parse(text)
+    return {"errors": []}
+  except DSLSyntaxError as e:
+    return {"errors": [{
+        "line": e.line or 1,
+        "column": e.column or 1,
+        "message": e.message
+    }]}