1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// This schema defines objects that represent a parsed schema, like
// the binary version of a .fbs file.
// This could be used to operate on unknown FlatBuffers at runtime.
// It can even ... represent itself (!)
namespace reflection;
// These must correspond to the enum in idl.h.
enum BaseType : byte {
None,
UType,
Bool,
Byte,
UByte,
Short,
UShort,
Int,
UInt,
Long,
ULong,
Float,
Double,
String,
Vector,
Obj, // Used for tables & structs.
Union
}
table Type {
base_type:BaseType;
element:BaseType = None; // Only if base_type == Vector.
index:int = -1; // If base_type == Object, index into "objects" below.
// If base_type == Union, UnionType, or integral derived
// from an enum, index into "enums" below.
}
table KeyValue {
key:string (required, key);
value:string;
}
table EnumVal {
name:string (required);
value:long (key);
object:Object; // Will be deprecated in favor of union_type in the future.
union_type:Type;
documentation:[string];
}
table Enum {
name:string (required, key);
values:[EnumVal] (required); // In order of their values.
is_union:bool = false;
underlying_type:Type (required);
attributes:[KeyValue];
documentation:[string];
}
table Field {
name:string (required, key);
type:Type (required);
id:ushort;
offset:ushort; // Offset into the vtable for tables, or into the struct.
default_integer:long = 0;
default_real:double = 0.0;
deprecated:bool = false;
required:bool = false;
key:bool = false;
attributes:[KeyValue];
documentation:[string];
}
table Object { // Used for both tables and structs.
name:string (required, key);
fields:[Field] (required); // Sorted.
is_struct:bool = false;
minalign:int;
bytesize:int; // For structs.
attributes:[KeyValue];
documentation:[string];
}
table RPCCall {
name:string (required, key);
request:Object (required); // must be a table (not a struct)
response:Object (required); // must be a table (not a struct)
attributes:[KeyValue];
documentation:[string];
}
table Service {
name:string (required, key);
calls:[RPCCall];
attributes:[KeyValue];
documentation:[string];
}
table Schema {
objects:[Object] (required); // Sorted.
enums:[Enum] (required); // Sorted.
file_ident:string;
file_ext:string;
root_table:Object;
services:[Service]; // Sorted.
}
root_type Schema;
file_identifier "BFBS";
file_extension "bfbs";
|
