diff options
Diffstat (limited to 'vendor/github.com/francoispqt/gojay/encode_object.go')
-rw-r--r-- | vendor/github.com/francoispqt/gojay/encode_object.go | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/vendor/github.com/francoispqt/gojay/encode_object.go b/vendor/github.com/francoispqt/gojay/encode_object.go new file mode 100644 index 00000000..5f2c8cf3 --- /dev/null +++ b/vendor/github.com/francoispqt/gojay/encode_object.go @@ -0,0 +1,400 @@ +package gojay + +var objKeyStr = []byte(`":"`) +var objKeyObj = []byte(`":{`) +var objKeyArr = []byte(`":[`) +var objKey = []byte(`":`) + +// EncodeObject encodes an object to JSON +func (enc *Encoder) EncodeObject(v MarshalerJSONObject) error { + if enc.isPooled == 1 { + panic(InvalidUsagePooledEncoderError("Invalid usage of pooled encoder")) + } + _, err := enc.encodeObject(v) + if err != nil { + enc.err = err + return err + } + _, err = enc.Write() + if err != nil { + enc.err = err + return err + } + return nil +} + +// EncodeObjectKeys encodes an object to JSON +func (enc *Encoder) EncodeObjectKeys(v MarshalerJSONObject, keys []string) error { + if enc.isPooled == 1 { + panic(InvalidUsagePooledEncoderError("Invalid usage of pooled encoder")) + } + enc.hasKeys = true + enc.keys = keys + _, err := enc.encodeObject(v) + if err != nil { + enc.err = err + return err + } + _, err = enc.Write() + if err != nil { + enc.err = err + return err + } + return nil +} + +func (enc *Encoder) encodeObject(v MarshalerJSONObject) ([]byte, error) { + enc.grow(512) + enc.writeByte('{') + if !v.IsNil() { + v.MarshalJSONObject(enc) + } + if enc.hasKeys { + enc.hasKeys = false + enc.keys = nil + } + enc.writeByte('}') + return enc.buf, enc.err +} + +// AddObject adds an object to be encoded, must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObject(v MarshalerJSONObject) { + enc.Object(v) +} + +// AddObjectOmitEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObjectOmitEmpty(v MarshalerJSONObject) { + enc.ObjectOmitEmpty(v) +} + +// AddObjectNullEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObjectNullEmpty(v MarshalerJSONObject) { + enc.ObjectNullEmpty(v) +} + +// AddObjectKey adds a struct to be encoded, must be used inside an object as it will encode a key +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObjectKey(key string, v MarshalerJSONObject) { + enc.ObjectKey(key, v) +} + +// AddObjectKeyOmitEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObjectKeyOmitEmpty(key string, v MarshalerJSONObject) { + enc.ObjectKeyOmitEmpty(key, v) +} + +// AddObjectKeyNullEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) AddObjectKeyNullEmpty(key string, v MarshalerJSONObject) { + enc.ObjectKeyNullEmpty(key, v) +} + +// Object adds an object to be encoded, must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) Object(v MarshalerJSONObject) { + if v.IsNil() { + enc.grow(2) + r := enc.getPreviousRune() + if r != '{' && r != '[' { + enc.writeByte(',') + } + enc.writeByte('{') + enc.writeByte('}') + return + } + enc.grow(4) + r := enc.getPreviousRune() + if r != '[' { + enc.writeByte(',') + } + enc.writeByte('{') + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectWithKeys adds an object to be encoded, must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject. It will only encode the keys in keys. +func (enc *Encoder) ObjectWithKeys(v MarshalerJSONObject, keys []string) { + if v.IsNil() { + enc.grow(2) + r := enc.getPreviousRune() + if r != '{' && r != '[' { + enc.writeByte(',') + } + enc.writeByte('{') + enc.writeByte('}') + return + } + enc.grow(4) + r := enc.getPreviousRune() + if r != '[' { + enc.writeByte(',') + } + enc.writeByte('{') + + var origKeys = enc.keys + var origHasKeys = enc.hasKeys + enc.hasKeys = true + enc.keys = keys + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectOmitEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) ObjectOmitEmpty(v MarshalerJSONObject) { + if v.IsNil() { + return + } + enc.grow(2) + r := enc.getPreviousRune() + if r != '[' { + enc.writeByte(',') + } + enc.writeByte('{') + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectNullEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) ObjectNullEmpty(v MarshalerJSONObject) { + enc.grow(2) + r := enc.getPreviousRune() + if r != '[' { + enc.writeByte(',') + } + if v.IsNil() { + enc.writeBytes(nullBytes) + return + } + enc.writeByte('{') + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectKey adds a struct to be encoded, must be used inside an object as it will encode a key +// value must implement MarshalerJSONObject +func (enc *Encoder) ObjectKey(key string, v MarshalerJSONObject) { + 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(objKeyObj) + enc.writeByte('}') + return + } + enc.grow(5 + len(key)) + r := enc.getPreviousRune() + if r != '{' { + enc.writeByte(',') + } + enc.writeByte('"') + enc.writeStringEscape(key) + enc.writeBytes(objKeyObj) + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectKeyWithKeys adds a struct to be encoded, must be used inside an object as it will encode a key. +// Value must implement MarshalerJSONObject. It will only encode the keys in keys. +func (enc *Encoder) ObjectKeyWithKeys(key string, value MarshalerJSONObject, keys []string) { + if enc.hasKeys { + if !enc.keyExists(key) { + return + } + } + if value.IsNil() { + enc.grow(2 + len(key)) + r := enc.getPreviousRune() + if r != '{' { + enc.writeByte(',') + } + enc.writeByte('"') + enc.writeStringEscape(key) + enc.writeBytes(objKeyObj) + enc.writeByte('}') + return + } + enc.grow(5 + len(key)) + r := enc.getPreviousRune() + if r != '{' { + enc.writeByte(',') + } + enc.writeByte('"') + enc.writeStringEscape(key) + enc.writeBytes(objKeyObj) + var origKeys = enc.keys + var origHasKeys = enc.hasKeys + enc.hasKeys = true + enc.keys = keys + value.MarshalJSONObject(enc) + enc.hasKeys = origHasKeys + enc.keys = origKeys + enc.writeByte('}') +} + +// ObjectKeyOmitEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) ObjectKeyOmitEmpty(key string, v MarshalerJSONObject) { + 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(objKeyObj) + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// ObjectKeyNullEmpty adds an object to be encoded or skips it if IsNil returns true. +// Must be used inside a slice or array encoding (does not encode a key) +// value must implement MarshalerJSONObject +func (enc *Encoder) ObjectKeyNullEmpty(key string, v MarshalerJSONObject) { + if enc.hasKeys { + if !enc.keyExists(key) { + return + } + } + enc.grow(5 + len(key)) + r := enc.getPreviousRune() + if r != '{' { + enc.writeByte(',') + } + enc.writeByte('"') + enc.writeStringEscape(key) + enc.writeBytes(objKey) + if v.IsNil() { + enc.writeBytes(nullBytes) + return + } + enc.writeByte('{') + + var origHasKeys = enc.hasKeys + var origKeys = enc.keys + enc.hasKeys = false + enc.keys = nil + + v.MarshalJSONObject(enc) + + enc.hasKeys = origHasKeys + enc.keys = origKeys + + enc.writeByte('}') +} + +// EncodeObjectFunc is a custom func type implementing MarshaleObject. +// Use it to cast a func(*Encoder) to Marshal an object. +// +// enc := gojay.NewEncoder(io.Writer) +// enc.EncodeObject(gojay.EncodeObjectFunc(func(enc *gojay.Encoder) { +// enc.AddStringKey("hello", "world") +// })) +type EncodeObjectFunc func(*Encoder) + +// MarshalJSONObject implements MarshalerJSONObject. +func (f EncodeObjectFunc) MarshalJSONObject(enc *Encoder) { + f(enc) +} + +// IsNil implements MarshalerJSONObject. +func (f EncodeObjectFunc) IsNil() bool { + return f == nil +} + +func (enc *Encoder) keyExists(k string) bool { + if enc.keys == nil { + return false + } + for _, key := range enc.keys { + if key == k { + return true + } + } + return false +} |