151 lines
4.5 KiB
Go
151 lines
4.5 KiB
Go
package jsoniter
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import (
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"bytes"
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"io"
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)
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// RawMessage to make replace json with jsoniter
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type RawMessage []byte
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// Unmarshal adapts to json/encoding Unmarshal API
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//
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// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v.
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// Refer to https://godoc.org/encoding/json#Unmarshal for more information
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func Unmarshal(data []byte, v interface{}) error {
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return ConfigDefault.Unmarshal(data, v)
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}
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// UnmarshalFromString is a convenient method to read from string instead of []byte
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func UnmarshalFromString(str string, v interface{}) error {
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return ConfigDefault.UnmarshalFromString(str, v)
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}
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// Get quick method to get value from deeply nested JSON structure
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func Get(data []byte, path ...interface{}) Any {
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return ConfigDefault.Get(data, path...)
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}
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// Marshal adapts to json/encoding Marshal API
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//
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// Marshal returns the JSON encoding of v, adapts to json/encoding Marshal API
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// Refer to https://godoc.org/encoding/json#Marshal for more information
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func Marshal(v interface{}) ([]byte, error) {
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return ConfigDefault.Marshal(v)
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}
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// MarshalIndent same as json.MarshalIndent. Prefix is not supported.
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func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) {
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return ConfigDefault.MarshalIndent(v, prefix, indent)
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}
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// MarshalToString convenient method to write as string instead of []byte
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func MarshalToString(v interface{}) (string, error) {
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return ConfigDefault.MarshalToString(v)
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}
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// NewDecoder adapts to json/stream NewDecoder API.
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//
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// NewDecoder returns a new decoder that reads from r.
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//
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// Instead of a json/encoding Decoder, an Decoder is returned
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// Refer to https://godoc.org/encoding/json#NewDecoder for more information
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func NewDecoder(reader io.Reader) *Decoder {
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return ConfigDefault.NewDecoder(reader)
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}
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// Decoder reads and decodes JSON values from an input stream.
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// Decoder provides identical APIs with json/stream Decoder (Token() and UseNumber() are in progress)
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type Decoder struct {
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iter *Iterator
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}
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// Decode decode JSON into interface{}
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func (adapter *Decoder) Decode(obj interface{}) error {
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if adapter.iter.head == adapter.iter.tail && adapter.iter.reader != nil {
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if !adapter.iter.loadMore() {
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return io.EOF
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}
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}
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adapter.iter.ReadVal(obj)
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err := adapter.iter.Error
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if err == io.EOF {
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return nil
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}
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return adapter.iter.Error
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}
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// More is there more?
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func (adapter *Decoder) More() bool {
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iter := adapter.iter
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if iter.Error != nil {
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return false
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}
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c := iter.nextToken()
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if c == 0 {
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return false
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}
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iter.unreadByte()
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return c != ']' && c != '}'
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}
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// Buffered remaining buffer
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func (adapter *Decoder) Buffered() io.Reader {
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remaining := adapter.iter.buf[adapter.iter.head:adapter.iter.tail]
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return bytes.NewReader(remaining)
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}
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// UseNumber causes the Decoder to unmarshal a number into an interface{} as a
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// Number instead of as a float64.
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func (adapter *Decoder) UseNumber() {
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cfg := adapter.iter.cfg.configBeforeFrozen
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cfg.UseNumber = true
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adapter.iter.cfg = cfg.frozeWithCacheReuse(adapter.iter.cfg.extraExtensions)
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}
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// DisallowUnknownFields causes the Decoder to return an error when the destination
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// is a struct and the input contains object keys which do not match any
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// non-ignored, exported fields in the destination.
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func (adapter *Decoder) DisallowUnknownFields() {
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cfg := adapter.iter.cfg.configBeforeFrozen
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cfg.DisallowUnknownFields = true
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adapter.iter.cfg = cfg.frozeWithCacheReuse(adapter.iter.cfg.extraExtensions)
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}
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// NewEncoder same as json.NewEncoder
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func NewEncoder(writer io.Writer) *Encoder {
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return ConfigDefault.NewEncoder(writer)
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}
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// Encoder same as json.Encoder
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type Encoder struct {
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stream *Stream
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}
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// Encode encode interface{} as JSON to io.Writer
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func (adapter *Encoder) Encode(val interface{}) error {
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adapter.stream.WriteVal(val)
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adapter.stream.WriteRaw("\n")
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adapter.stream.Flush()
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return adapter.stream.Error
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}
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// SetIndent set the indention. Prefix is not supported
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func (adapter *Encoder) SetIndent(prefix, indent string) {
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config := adapter.stream.cfg.configBeforeFrozen
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config.IndentionStep = len(indent)
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adapter.stream.cfg = config.frozeWithCacheReuse(adapter.stream.cfg.extraExtensions)
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}
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// SetEscapeHTML escape html by default, set to false to disable
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func (adapter *Encoder) SetEscapeHTML(escapeHTML bool) {
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config := adapter.stream.cfg.configBeforeFrozen
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config.EscapeHTML = escapeHTML
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adapter.stream.cfg = config.frozeWithCacheReuse(adapter.stream.cfg.extraExtensions)
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}
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// Valid reports whether data is a valid JSON encoding.
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func Valid(data []byte) bool {
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return ConfigDefault.Valid(data)
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}
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