fix: error when incomplete strings. (#15)

nomasystems · Dec 3, 2023 · d1f954a · d1f954a
1 parent 338ecba
commit d1f954a
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/src/njson.erl b/src/njson.erl
@@ -20,8 +20,14 @@
 -type t() :: null | boolean() | number() | binary() | [t()] | #{binary() => t()}.
 
 -type decode_error_reason() ::
-    invalid_value | unexpected_trailing_char | invalid_key | invalid_array | invalid_object.
--type decode_error() :: {error, {decode_error_reason(), [byte()], non_neg_integer()}}.
+    invalid_value
+    | unexpected_trailing_char
+    | invalid_key
+    | invalid_array
+    | invalid_object
+    | unexpected_end_of_string.
+-type decode_error() ::
+    {error, {decode_error_reason(), [byte()], non_neg_integer()}}.
 
 -type encode_error_reason() :: invalid_key | invalid_value | invalid_map | invalid_list.
 -type encode_error() :: {error, {encode_error_reason(), any()}}.

diff --git a/src/njson_decoder.erl b/src/njson_decoder.erl
@@ -388,6 +388,8 @@ string(<<Bin/binary>>, Original, Skip, Next, Len) ->
     OK :: {ok, Json},
     Json :: njson:t(),
     Error :: njson:decode_error().
+chunk(<<>>, _Original, Skip, _Next, _Len) ->
+    {error, {unexpected_end_of_string, [], Skip}};
 chunk(<<C, Bin/binary>>, Original, Skip, Next, Len) ->
     case C of
         $" ->
@@ -407,6 +409,8 @@ chunk(<<C, Bin/binary>>, Original, Skip, Next, Len) ->
     OK :: {ok, Json},
     Json :: njson:t(),
     Error :: njson:decode_error().
+chunk(<<>>, _Original, Skip, _Next, _Len, _Acc) ->
+    {error, {unexpected_end_of_string, [], Skip}};
 chunk(<<C, Bin/binary>>, Original, Skip, Next, Len, Acc) ->
     case C of
         $" ->