sslobodr | d046be8 | 2019-01-16 10:02:22 -0500 | [diff] [blame] | 1 | package jsoniter |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "io" |
| 6 | ) |
| 7 | |
| 8 | // RawMessage to make replace json with jsoniter |
| 9 | type RawMessage []byte |
| 10 | |
| 11 | // Unmarshal adapts to json/encoding Unmarshal API |
| 12 | // |
| 13 | // Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v. |
| 14 | // Refer to https://godoc.org/encoding/json#Unmarshal for more information |
| 15 | func Unmarshal(data []byte, v interface{}) error { |
| 16 | return ConfigDefault.Unmarshal(data, v) |
| 17 | } |
| 18 | |
| 19 | // UnmarshalFromString convenient method to read from string instead of []byte |
| 20 | func UnmarshalFromString(str string, v interface{}) error { |
| 21 | return ConfigDefault.UnmarshalFromString(str, v) |
| 22 | } |
| 23 | |
| 24 | // Get quick method to get value from deeply nested JSON structure |
| 25 | func Get(data []byte, path ...interface{}) Any { |
| 26 | return ConfigDefault.Get(data, path...) |
| 27 | } |
| 28 | |
| 29 | // Marshal adapts to json/encoding Marshal API |
| 30 | // |
| 31 | // Marshal returns the JSON encoding of v, adapts to json/encoding Marshal API |
| 32 | // Refer to https://godoc.org/encoding/json#Marshal for more information |
| 33 | func Marshal(v interface{}) ([]byte, error) { |
| 34 | return ConfigDefault.Marshal(v) |
| 35 | } |
| 36 | |
| 37 | // MarshalIndent same as json.MarshalIndent. Prefix is not supported. |
| 38 | func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { |
| 39 | return ConfigDefault.MarshalIndent(v, prefix, indent) |
| 40 | } |
| 41 | |
| 42 | // MarshalToString convenient method to write as string instead of []byte |
| 43 | func MarshalToString(v interface{}) (string, error) { |
| 44 | return ConfigDefault.MarshalToString(v) |
| 45 | } |
| 46 | |
| 47 | // NewDecoder adapts to json/stream NewDecoder API. |
| 48 | // |
| 49 | // NewDecoder returns a new decoder that reads from r. |
| 50 | // |
| 51 | // Instead of a json/encoding Decoder, an Decoder is returned |
| 52 | // Refer to https://godoc.org/encoding/json#NewDecoder for more information |
| 53 | func NewDecoder(reader io.Reader) *Decoder { |
| 54 | return ConfigDefault.NewDecoder(reader) |
| 55 | } |
| 56 | |
| 57 | // Decoder reads and decodes JSON values from an input stream. |
| 58 | // Decoder provides identical APIs with json/stream Decoder (Token() and UseNumber() are in progress) |
| 59 | type Decoder struct { |
| 60 | iter *Iterator |
| 61 | } |
| 62 | |
| 63 | // Decode decode JSON into interface{} |
| 64 | func (adapter *Decoder) Decode(obj interface{}) error { |
| 65 | if adapter.iter.head == adapter.iter.tail && adapter.iter.reader != nil { |
| 66 | if !adapter.iter.loadMore() { |
| 67 | return io.EOF |
| 68 | } |
| 69 | } |
| 70 | adapter.iter.ReadVal(obj) |
| 71 | err := adapter.iter.Error |
| 72 | if err == io.EOF { |
| 73 | return nil |
| 74 | } |
| 75 | return adapter.iter.Error |
| 76 | } |
| 77 | |
| 78 | // More is there more? |
| 79 | func (adapter *Decoder) More() bool { |
| 80 | iter := adapter.iter |
| 81 | if iter.Error != nil { |
| 82 | return false |
| 83 | } |
| 84 | c := iter.nextToken() |
| 85 | if c == 0 { |
| 86 | return false |
| 87 | } |
| 88 | iter.unreadByte() |
| 89 | return c != ']' && c != '}' |
| 90 | } |
| 91 | |
| 92 | // Buffered remaining buffer |
| 93 | func (adapter *Decoder) Buffered() io.Reader { |
| 94 | remaining := adapter.iter.buf[adapter.iter.head:adapter.iter.tail] |
| 95 | return bytes.NewReader(remaining) |
| 96 | } |
| 97 | |
| 98 | // UseNumber causes the Decoder to unmarshal a number into an interface{} as a |
| 99 | // Number instead of as a float64. |
| 100 | func (adapter *Decoder) UseNumber() { |
| 101 | cfg := adapter.iter.cfg.configBeforeFrozen |
| 102 | cfg.UseNumber = true |
| 103 | adapter.iter.cfg = cfg.frozeWithCacheReuse(adapter.iter.cfg.extraExtensions) |
| 104 | } |
| 105 | |
| 106 | // DisallowUnknownFields causes the Decoder to return an error when the destination |
| 107 | // is a struct and the input contains object keys which do not match any |
| 108 | // non-ignored, exported fields in the destination. |
| 109 | func (adapter *Decoder) DisallowUnknownFields() { |
| 110 | cfg := adapter.iter.cfg.configBeforeFrozen |
| 111 | cfg.DisallowUnknownFields = true |
| 112 | adapter.iter.cfg = cfg.frozeWithCacheReuse(adapter.iter.cfg.extraExtensions) |
| 113 | } |
| 114 | |
| 115 | // NewEncoder same as json.NewEncoder |
| 116 | func NewEncoder(writer io.Writer) *Encoder { |
| 117 | return ConfigDefault.NewEncoder(writer) |
| 118 | } |
| 119 | |
| 120 | // Encoder same as json.Encoder |
| 121 | type Encoder struct { |
| 122 | stream *Stream |
| 123 | } |
| 124 | |
| 125 | // Encode encode interface{} as JSON to io.Writer |
| 126 | func (adapter *Encoder) Encode(val interface{}) error { |
| 127 | adapter.stream.WriteVal(val) |
| 128 | adapter.stream.WriteRaw("\n") |
| 129 | adapter.stream.Flush() |
| 130 | return adapter.stream.Error |
| 131 | } |
| 132 | |
| 133 | // SetIndent set the indention. Prefix is not supported |
| 134 | func (adapter *Encoder) SetIndent(prefix, indent string) { |
| 135 | config := adapter.stream.cfg.configBeforeFrozen |
| 136 | config.IndentionStep = len(indent) |
| 137 | adapter.stream.cfg = config.frozeWithCacheReuse(adapter.stream.cfg.extraExtensions) |
| 138 | } |
| 139 | |
| 140 | // SetEscapeHTML escape html by default, set to false to disable |
| 141 | func (adapter *Encoder) SetEscapeHTML(escapeHTML bool) { |
| 142 | config := adapter.stream.cfg.configBeforeFrozen |
| 143 | config.EscapeHTML = escapeHTML |
| 144 | adapter.stream.cfg = config.frozeWithCacheReuse(adapter.stream.cfg.extraExtensions) |
| 145 | } |
| 146 | |
| 147 | // Valid reports whether data is a valid JSON encoding. |
| 148 | func Valid(data []byte) bool { |
| 149 | return ConfigDefault.Valid(data) |
| 150 | } |