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encode_array.go
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encode_array.go
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package gojay
// EncodeArray encodes an implementation of MarshalerJSONArray to JSON
func (enc *Encoder) EncodeArray(v MarshalerJSONArray) error {
if enc.isPooled == 1 {
panic(InvalidUsagePooledEncoderError("Invalid usage of pooled encoder"))
}
_, _ = enc.encodeArray(v)
_, err := enc.Write()
if err != nil {
enc.err = err
return err
}
return nil
}
func (enc *Encoder) encodeArray(v MarshalerJSONArray) ([]byte, error) {
enc.grow(200)
enc.writeByte('[')
v.MarshalJSONArray(enc)
enc.writeByte(']')
return enc.buf, enc.err
}
// AddArray adds an implementation of MarshalerJSONArray to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement Marshaler
func (enc *Encoder) AddArray(v MarshalerJSONArray) {
enc.Array(v)
}
// AddArrayOmitEmpty adds an array or slice to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement MarshalerAddArrayOmitEmpty
func (enc *Encoder) AddArrayOmitEmpty(v MarshalerJSONArray) {
enc.ArrayOmitEmpty(v)
}
// AddArrayNullEmpty adds an array or slice to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement Marshaler, if v is empty, `null` will be encoded`
func (enc *Encoder) AddArrayNullEmpty(v MarshalerJSONArray) {
enc.ArrayNullEmpty(v)
}
// AddArrayKey adds an array or slice to be encoded, must be used inside an object as it will encode a key
// value must implement Marshaler
func (enc *Encoder) AddArrayKey(key string, v MarshalerJSONArray) {
enc.ArrayKey(key, v)
}
// AddArrayKeyOmitEmpty adds an array or slice to be encoded and skips it if it is nil.
// Must be called inside an object as it will encode a key.
func (enc *Encoder) AddArrayKeyOmitEmpty(key string, v MarshalerJSONArray) {
enc.ArrayKeyOmitEmpty(key, v)
}
// AddArrayKeyNullEmpty adds an array or slice to be encoded and skips it if it is nil.
// Must be called inside an object as it will encode a key. `null` will be encoded`
func (enc *Encoder) AddArrayKeyNullEmpty(key string, v MarshalerJSONArray) {
enc.ArrayKeyNullEmpty(key, v)
}
// Array adds an implementation of MarshalerJSONArray to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement Marshaler
func (enc *Encoder) Array(v MarshalerJSONArray) {
if v.IsNil() {
enc.grow(3)
r := enc.getPreviousRune()
if r != '[' {
enc.writeByte(',')
}
enc.writeByte('[')
enc.writeByte(']')
return
}
enc.grow(100)
r := enc.getPreviousRune()
if r != '[' {
enc.writeByte(',')
}
enc.writeByte('[')
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// ArrayOmitEmpty adds an array or slice to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement Marshaler
func (enc *Encoder) ArrayOmitEmpty(v MarshalerJSONArray) {
if v.IsNil() {
return
}
enc.grow(4)
r := enc.getPreviousRune()
if r != '[' {
enc.writeByte(',')
}
enc.writeByte('[')
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// ArrayNullEmpty adds an array or slice to be encoded, must be used inside a slice or array encoding (does not encode a key)
// value must implement Marshaler
func (enc *Encoder) ArrayNullEmpty(v MarshalerJSONArray) {
enc.grow(4)
r := enc.getPreviousRune()
if r != '[' {
enc.writeByte(',')
}
if v.IsNil() {
enc.writeBytes(nullBytes)
return
}
enc.writeByte('[')
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// ArrayKey adds an array or slice to be encoded, must be used inside an object as it will encode a key
// value must implement Marshaler
func (enc *Encoder) ArrayKey(key string, v MarshalerJSONArray) {
if enc.hasKeys {
if !enc.keyExists(key) {
return
}
}
if v.IsNil() {
enc.grow(2 + len(key))
r := enc.getPreviousRune()
if r != '{' {
enc.writeByte(',')
}
enc.writeByte('"')
enc.writeStringEscape(key)
enc.writeBytes(objKeyArr)
enc.writeByte(']')
return
}
enc.grow(5 + len(key))
r := enc.getPreviousRune()
if r != '{' {
enc.writeByte(',')
}
enc.writeByte('"')
enc.writeStringEscape(key)
enc.writeBytes(objKeyArr)
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// ArrayKeyOmitEmpty adds an array or slice to be encoded and skips if it is nil.
// Must be called inside an object as it will encode a key.
func (enc *Encoder) ArrayKeyOmitEmpty(key string, v MarshalerJSONArray) {
if enc.hasKeys {
if !enc.keyExists(key) {
return
}
}
if v.IsNil() {
return
}
enc.grow(5 + len(key))
r := enc.getPreviousRune()
if r != '{' {
enc.writeByte(',')
}
enc.writeByte('"')
enc.writeStringEscape(key)
enc.writeBytes(objKeyArr)
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// ArrayKeyNullEmpty adds an array or slice to be encoded and encodes `null`` if it is nil.
// Must be called inside an object as it will encode a key.
func (enc *Encoder) ArrayKeyNullEmpty(key string, v MarshalerJSONArray) {
if enc.hasKeys {
if !enc.keyExists(key) {
return
}
}
enc.grow(5 + len(key))
r := enc.getPreviousRune()
if r != '{' {
enc.writeByte(',')
}
if v.IsNil() {
enc.writeBytes(nullBytes)
return
}
enc.writeByte('"')
enc.writeStringEscape(key)
enc.writeBytes(objKeyArr)
v.MarshalJSONArray(enc)
enc.writeByte(']')
}
// EncodeArrayFunc is a custom func type implementing MarshaleArray.
// Use it to cast a func(*Encoder) to Marshal an object.
//
// enc := gojay.NewEncoder(io.Writer)
// enc.EncodeArray(gojay.EncodeArrayFunc(func(enc *gojay.Encoder) {
// enc.AddStringKey("hello", "world")
// }))
type EncodeArrayFunc func(*Encoder)
// MarshalJSONArray implements MarshalerJSONArray.
func (f EncodeArrayFunc) MarshalJSONArray(enc *Encoder) {
f(enc)
}
// IsNil implements MarshalerJSONArray.
func (f EncodeArrayFunc) IsNil() bool {
return f == nil
}