forked from actgardner/gogen-avro
/
fixed.go
78 lines (62 loc) · 1.65 KB
/
fixed.go
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package generator
import (
"fmt"
)
const writeFixedMethod = `
func %v(r %v, w io.Writer) error {
_, err := w.Write(r[:])
return err
}
`
const readFixedMethod = `
func %v(r io.Reader) (%v, error) {
var bb %v
_, err := io.ReadFull(r, bb[:])
return bb, err
}
`
type fixedField struct {
name string
typeName string
defaultValue []byte
hasDefault bool
sizeBytes int
}
func (s *fixedField) Name() string {
return toPublicName(s.name)
}
func (s *fixedField) FieldType() string {
return toPublicName(s.typeName)
}
func (s *fixedField) GoType() string {
return s.FieldType()
}
func (s *fixedField) serializerMethodDef() string {
return fmt.Sprintf(writeFixedMethod, s.SerializerMethod(), s.GoType())
}
func (s *fixedField) deserializerMethodDef() string {
return fmt.Sprintf(readFixedMethod, s.DeserializerMethod(), s.GoType(), s.GoType())
}
func (s *fixedField) typeDef() string {
return fmt.Sprintf("type %v [%v]byte\n", s.GoType(), s.sizeBytes)
}
func (s *fixedField) filename() string {
return toSnake(s.GoType()) + ".go"
}
func (s *fixedField) SerializerMethod() string {
return fmt.Sprintf("write%v", s.FieldType())
}
func (s *fixedField) DeserializerMethod() string {
return fmt.Sprintf("read%v", s.FieldType())
}
func (s *fixedField) AddStruct(p *Package) {
p.addStruct(s.filename(), s.GoType(), s.typeDef())
}
func (s *fixedField) AddSerializer(p *Package) {
p.addFunction(UTIL_FILE, "", s.SerializerMethod(), s.serializerMethodDef())
p.addImport(UTIL_FILE, "io")
}
func (s *fixedField) AddDeserializer(p *Package) {
p.addFunction(UTIL_FILE, "", s.DeserializerMethod(), s.deserializerMethodDef())
p.addImport(UTIL_FILE, "io")
}