diff options
Diffstat (limited to 'generator/proto/nanopb.proto')
-rw-r--r-- | generator/proto/nanopb.proto | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/generator/proto/nanopb.proto b/generator/proto/nanopb.proto index 2be2f80..0c05a2b 100644 --- a/generator/proto/nanopb.proto +++ b/generator/proto/nanopb.proto @@ -5,6 +5,7 @@ // These are used by nanopb to generate statically allocable structures // for memory-limited environments. +syntax = "proto2"; import "google/protobuf/descriptor.proto"; option java_package = "fi.kapsi.koti.jpa.nanopb"; @@ -15,6 +16,15 @@ 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 { + IS_DEFAULT = 0; // Default, 32/64bit based on type in .proto + IS_8 = 8; + IS_16 = 16; + IS_32 = 32; + IS_64 = 64; } // This is the inner options message, which basically defines options for @@ -22,11 +32,20 @@ enum FieldType { // 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; + // Size of integer fields. Can save some memory if you don't need + // full 32 bits for the value. + optional IntSize int_size = 7 [default = IS_DEFAULT]; + // Force type of field (callback or static allocation) optional FieldType type = 3 [default = FT_DEFAULT]; @@ -37,6 +56,33 @@ message NanoPBOptions { // Note: this cannot be used on CPUs that break on unaligned // accesses to variables. optional bool packed_struct = 5 [default = false]; + + // Add 'packed' attribute to generated enums. + optional bool packed_enum = 10 [default = false]; + + // Skip this message + optional bool skip_message = 6 [default = false]; + + // Generate oneof fields as normal optional fields instead of union. + optional bool no_unions = 8 [default = false]; + + // integer type tag for a message + optional uint32 msgid = 9; + + // 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]; + + // Generate repeated field with fixed count + optional bool fixed_count = 16 [default = false]; } // Extensions to protoc 'Descriptor' type in order to define options |