1 // Custom options for defining:
2 // - Maximum size of string/bytes
3 // - Maximum number of elements in array
5 // These are used by nanopb to generate statically allocable structures
6 // for memory-limited environments.
9 import "google/protobuf/descriptor.proto";
11 option java_package = "fi.kapsi.koti.jpa.nanopb";
14 FT_DEFAULT = 0; // Automatically decide field type, generate static field if possible.
15 FT_CALLBACK = 1; // Always generate a callback field.
16 FT_POINTER = 4; // Always generate a dynamically allocated field.
17 FT_STATIC = 2; // Generate a static field or raise an exception if not possible.
18 FT_IGNORE = 3; // Ignore the field completely.
19 FT_INLINE = 5; // Always generate an inline array of fixed size.
23 IS_DEFAULT = 0; // Default, 32/64bit based on type in .proto
30 // This is the inner options message, which basically defines options for
31 // a field. When it is used in message or file scope, it applies to all
33 message NanoPBOptions {
34 // Allocated size for 'bytes' and 'string' fields.
35 optional int32 max_size = 1;
37 // Allocated number of entries in arrays ('repeated' fields)
38 optional int32 max_count = 2;
40 // Size of integer fields. Can save some memory if you don't need
41 // full 32 bits for the value.
42 optional IntSize int_size = 7 [default = IS_DEFAULT];
44 // Force type of field (callback or static allocation)
45 optional FieldType type = 3 [default = FT_DEFAULT];
47 // Use long names for enums, i.e. EnumName_EnumValue.
48 optional bool long_names = 4 [default = true];
50 // Add 'packed' attribute to generated structs.
51 // Note: this cannot be used on CPUs that break on unaligned
52 // accesses to variables.
53 optional bool packed_struct = 5 [default = false];
55 // Add 'packed' attribute to generated enums.
56 optional bool packed_enum = 10 [default = false];
59 optional bool skip_message = 6 [default = false];
61 // Generate oneof fields as normal optional fields instead of union.
62 optional bool no_unions = 8 [default = false];
64 // integer type tag for a message
65 optional uint32 msgid = 9;
67 // decode oneof as anonymous union
68 optional bool anonymous_oneof = 11 [default = false];
71 // Extensions to protoc 'Descriptor' type in order to define options
72 // inside a .proto file.
74 // Protocol Buffers extension number registry
75 // --------------------------------
77 // Contact: Petteri Aimonen <jpa@kapsi.fi>
78 // Web site: http://kapsi.fi/~jpa/nanopb
79 // Extensions: 1010 (all types)
80 // --------------------------------
82 extend google.protobuf.FileOptions {
83 optional NanoPBOptions nanopb_fileopt = 1010;
86 extend google.protobuf.MessageOptions {
87 optional NanoPBOptions nanopb_msgopt = 1010;
90 extend google.protobuf.EnumOptions {
91 optional NanoPBOptions nanopb_enumopt = 1010;
94 extend google.protobuf.FieldOptions {
95 optional NanoPBOptions nanopb = 1010;