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decode_bool.go
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package gojay
// DecodeBool reads the next JSON-encoded value from the decoder's input (io.Reader)
// and stores it in the boolean pointed to by v.
//
// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
func (dec *Decoder) DecodeBool(v *bool) error {
if dec.isPooled == 1 {
panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
}
return dec.decodeBool(v)
}
func (dec *Decoder) decodeBool(v *bool) error {
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch dec.data[dec.cursor] {
case ' ', '\n', '\t', '\r', ',':
continue
case 't':
dec.cursor++
err := dec.assertTrue()
if err != nil {
return err
}
*v = true
return nil
case 'f':
dec.cursor++
err := dec.assertFalse()
if err != nil {
return err
}
*v = false
return nil
case 'n':
dec.cursor++
err := dec.assertNull()
if err != nil {
return err
}
*v = false
return nil
default:
dec.err = dec.makeInvalidUnmarshalErr(v)
err := dec.skipData()
if err != nil {
return err
}
return nil
}
}
return nil
}
func (dec *Decoder) decodeBoolNull(v **bool) error {
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch dec.data[dec.cursor] {
case ' ', '\n', '\t', '\r', ',':
continue
case 't':
dec.cursor++
err := dec.assertTrue()
if err != nil {
return err
}
if *v == nil {
*v = new(bool)
}
**v = true
return nil
case 'f':
dec.cursor++
err := dec.assertFalse()
if err != nil {
return err
}
if *v == nil {
*v = new(bool)
}
**v = false
return nil
case 'n':
dec.cursor++
err := dec.assertNull()
if err != nil {
return err
}
return nil
default:
dec.err = dec.makeInvalidUnmarshalErr(v)
err := dec.skipData()
if err != nil {
return err
}
return nil
}
}
return nil
}
func (dec *Decoder) decodeBoolOrNull() (val bool, isNull bool, err error) {
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch dec.data[dec.cursor] {
case ' ', '\n', '\t', '\r', ',':
continue
case 't':
dec.cursor++
if err = dec.assertTrue(); err == nil {
val = true
}
return
case 'f':
dec.cursor++
err = dec.assertFalse()
return
case 'n':
dec.cursor++
if err = dec.assertNull(); err == nil {
isNull = true
}
return
default:
dec.err = dec.makeInvalidUnmarshalErr(true)
err = dec.skipData()
return
}
}
return
}
func (dec *Decoder) assertTrue() error {
i := 0
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch i {
case 0:
if dec.data[dec.cursor] != 'r' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 1:
if dec.data[dec.cursor] != 'u' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 2:
if dec.data[dec.cursor] != 'e' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 3:
switch dec.data[dec.cursor] {
case ' ', '\b', '\t', '\n', ',', ']', '}':
// dec.cursor--
return nil
default:
return dec.raiseInvalidJSONErr(dec.cursor)
}
}
i++
}
if i == 3 {
return nil
}
return dec.raiseInvalidJSONErr(dec.cursor)
}
func (dec *Decoder) assertNull() error {
i := 0
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch i {
case 0:
if dec.data[dec.cursor] != 'u' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 1:
if dec.data[dec.cursor] != 'l' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 2:
if dec.data[dec.cursor] != 'l' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 3:
switch dec.data[dec.cursor] {
case ' ', '\t', '\n', ',', ']', '}':
// dec.cursor--
return nil
default:
return dec.raiseInvalidJSONErr(dec.cursor)
}
}
i++
}
if i == 3 {
return nil
}
return dec.raiseInvalidJSONErr(dec.cursor)
}
func (dec *Decoder) assertFalse() error {
i := 0
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
switch i {
case 0:
if dec.data[dec.cursor] != 'a' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 1:
if dec.data[dec.cursor] != 'l' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 2:
if dec.data[dec.cursor] != 's' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 3:
if dec.data[dec.cursor] != 'e' {
return dec.raiseInvalidJSONErr(dec.cursor)
}
case 4:
switch dec.data[dec.cursor] {
case ' ', '\t', '\n', ',', ']', '}':
// dec.cursor--
return nil
default:
return dec.raiseInvalidJSONErr(dec.cursor)
}
}
i++
}
if i == 4 {
return nil
}
return dec.raiseInvalidJSONErr(dec.cursor)
}
// Add Values functions
// AddBool decodes the JSON value within an object or an array to a *bool.
// If next key is neither null nor a JSON boolean, an InvalidUnmarshalError will be returned.
// If next key is null, bool will be false.
func (dec *Decoder) AddBool(v *bool) error {
return dec.Bool(v)
}
// AddBoolNull decodes the JSON value within an object or an array to a *bool.
// If next key is neither null nor a JSON boolean, an InvalidUnmarshalError will be returned.
// If next key is null, bool will be false.
// If a `null` is encountered, gojay does not change the value of the pointer.
func (dec *Decoder) AddBoolNull(v **bool) error {
return dec.BoolNull(v)
}
// Bool decodes the JSON value within an object or an array to a *bool.
// If next key is neither null nor a JSON boolean, an InvalidUnmarshalError will be returned.
// If next key is null, bool will be false.
func (dec *Decoder) Bool(v *bool) error {
err := dec.decodeBool(v)
if err != nil {
return err
}
dec.called |= 1
return nil
}
// BoolNull decodes the JSON value within an object or an array to a *bool.
// If next key is neither null nor a JSON boolean, an InvalidUnmarshalError will be returned.
// If next key is null, bool will be false.
func (dec *Decoder) BoolNull(v **bool) error {
err := dec.decodeBoolNull(v)
if err != nil {
return err
}
dec.called |= 1
return nil
}
// BoolOrNull is alloc-free analogue of BoolNull
func (dec *Decoder) BoolOrNull() (val bool, isNull bool, err error) {
if val, isNull, err = dec.decodeBoolOrNull(); err == nil {
dec.called |= 1
}
return
}