Fix bugs in proto3 mode encoding of submessages (#256)

[apps/agl-service-can-low-level.git] / generator / proto / nanopb.proto

diff --git a/generator/proto/nanopb.proto b/generator/proto/nanopb.proto
index 9b2f0fb..e4c1da7 100644 (file)
--- a/generator/proto/nanopb.proto
+++ b/generator/proto/nanopb.proto
@@ -16,6 +16,7 @@ enum FieldType {
     FT_POINTER = 4; // Always generate a dynamically allocated field.
     FT_STATIC = 2; // Generate a static field or raise an exception if not possible.
     FT_IGNORE = 3; // Ignore the field completely.
+    FT_INLINE = 5; // Legacy option, use the separate 'fixed_length' option instead
 }
 
 enum IntSize {
@@ -31,8 +32,13 @@ enum IntSize {
 // fields.
 message NanoPBOptions {
   // Allocated size for 'bytes' and 'string' fields.
+  // For string fields, this should include the space for null terminator.
   optional int32 max_size = 1;
   
+  // Maximum length for 'string' fields. Setting this is equivalent
+  // to setting max_size to a value of length+1.
+  optional int32 max_length = 14;
+  
   // Allocated number of entries in arrays ('repeated' fields)
   optional int32 max_count = 2;
   
@@ -65,6 +71,15 @@ message NanoPBOptions {
 
   // decode oneof as anonymous union
   optional bool anonymous_oneof = 11 [default = false];
+
+  // Proto3 singular field does not generate a "has_" flag
+  optional bool proto3 = 12 [default = false];
+
+  // Generate an enum->string mapping function (can take up lots of space).
+  optional bool enum_to_string = 13 [default = false];
+
+  // Generate bytes arrays with fixed length
+  optional bool fixed_length = 15 [default = false];
 }
 
 // Extensions to protoc 'Descriptor' type in order to define options