diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Properties.hs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Properties.hs b/lib/Properties.hs index ee774c8..ed97355 100644 --- a/lib/Properties.hs +++ b/lib/Properties.hs @@ -163,6 +163,7 @@ checkLayerProperty p@(Property name _value) = case name of complain $ "unknown property type " <> prettyprint name where isForbidden = forbidProperty name + requireProperty req = propertyRequiredBy req name -- | this property can only be used on a layer that contains at least one tiles forbidEmptyLayer = do @@ -208,7 +209,13 @@ forbidProperty name = do requireProperty :: HasProperties a => Text -> LintWriter a requireProperty name = unlessHasProperty name - $ complain $ "property "<>prettyprint name<>" requires property "<>prettyprint name + $ complain $ "property "<>prettyprint name<>" is required" + +propertyRequiredBy :: HasProperties a => Text -> Text -> LintWriter a +propertyRequiredBy req by = + unlessHasProperty req + $ complain $ "property "<>prettyprint req<>" is required by property "<> prettyprint by + -- | suggest some value for another property if that property does not -- also already exist |