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|
package thrift
import (
"fmt"
"reflect"
)
type Message struct {
Type MessageType
Name string
SeqID int32
}
type MessageType int8
const (
Call MessageType = iota
Reply
Exception
Oneway
)
func (m MessageType) String() string {
switch m {
case Call:
return "Call"
case Reply:
return "Reply"
case Exception:
return "Exception"
case Oneway:
return "Oneway"
default:
return "?"
}
}
type Field struct {
ID int16
Type Type
Delta bool // whether the field id is a delta
}
func (f Field) String() string {
return fmt.Sprintf("%d:FIELD<%s>", f.ID, f.Type)
}
type Type int8
const (
STOP Type = iota
TRUE
FALSE
I8
I16
I32
I64
DOUBLE
BINARY
LIST
SET
MAP
STRUCT
BOOL = FALSE
)
func (t Type) String() string {
switch t {
case STOP:
return "STOP"
case TRUE:
return "TRUE"
case BOOL:
return "BOOL"
case I8:
return "I8"
case I16:
return "I16"
case I32:
return "I32"
case I64:
return "I64"
case DOUBLE:
return "DOUBLE"
case BINARY:
return "BINARY"
case LIST:
return "LIST"
case SET:
return "SET"
case MAP:
return "MAP"
case STRUCT:
return "STRUCT"
default:
return "?"
}
}
func (t Type) GoString() string {
return "thrift." + t.String()
}
type List struct {
Size int32
Type Type
}
func (l List) String() string {
return fmt.Sprintf("LIST<%s>", l.Type)
}
type Set List
func (s Set) String() string {
return fmt.Sprintf("SET<%s>", s.Type)
}
type Map struct {
Size int32
Key Type
Value Type
}
func (m Map) String() string {
return fmt.Sprintf("MAP<%s,%s>", m.Key, m.Value)
}
func TypeOf(t reflect.Type) Type {
switch t.Kind() {
case reflect.Bool:
return BOOL
case reflect.Int8, reflect.Uint8:
return I8
case reflect.Int16, reflect.Uint16:
return I16
case reflect.Int32, reflect.Uint32:
return I32
case reflect.Int64, reflect.Uint64, reflect.Int, reflect.Uint, reflect.Uintptr:
return I64
case reflect.Float32, reflect.Float64:
return DOUBLE
case reflect.String:
return BINARY
case reflect.Slice:
if t.Elem().Kind() == reflect.Uint8 { // []byte
return BINARY
} else {
return LIST
}
case reflect.Map:
if t.Elem().Size() == 0 {
return SET
} else {
return MAP
}
case reflect.Struct:
return STRUCT
case reflect.Ptr:
return TypeOf(t.Elem())
default:
panic("type cannot be represented in thrift: " + t.String())
}
}
|
