You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.6 KiB
116 lines
3.6 KiB
// Custom options for defining:
|
|
// - Maximum size of string/bytes
|
|
// - Maximum number of elements in array
|
|
//
|
|
// 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";
|
|
|
|
enum FieldType {
|
|
FT_DEFAULT = 0; // Automatically decide field type, generate static field if possible.
|
|
FT_CALLBACK = 1; // Always generate a callback field.
|
|
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
|
|
// a field. When it is used in message or file scope, it applies to all
|
|
// 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];
|
|
|
|
// Use long names for enums, i.e. EnumName_EnumValue.
|
|
optional bool long_names = 4 [default = true];
|
|
|
|
// Add 'packed' attribute to generated structs.
|
|
// 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
|
|
// inside a .proto file.
|
|
//
|
|
// Protocol Buffers extension number registry
|
|
// --------------------------------
|
|
// Project: Nanopb
|
|
// Contact: Petteri Aimonen <jpa@kapsi.fi>
|
|
// Web site: http://kapsi.fi/~jpa/nanopb
|
|
// Extensions: 1010 (all types)
|
|
// --------------------------------
|
|
|
|
extend google.protobuf.FileOptions {
|
|
optional NanoPBOptions nanopb_fileopt = 1010;
|
|
}
|
|
|
|
extend google.protobuf.MessageOptions {
|
|
optional NanoPBOptions nanopb_msgopt = 1010;
|
|
}
|
|
|
|
extend google.protobuf.EnumOptions {
|
|
optional NanoPBOptions nanopb_enumopt = 1010;
|
|
}
|
|
|
|
extend google.protobuf.FieldOptions {
|
|
optional NanoPBOptions nanopb = 1010;
|
|
}
|
|
|
|
|