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56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package jsonx
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"strings"
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)
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// Marshal marshals v into json bytes.
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func Marshal(v interface{}) ([]byte, error) {
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return json.Marshal(v)
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}
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// Unmarshal unmarshals data bytes into v.
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func Unmarshal(data []byte, v interface{}) error {
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decoder := json.NewDecoder(bytes.NewReader(data))
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if err := unmarshalUseNumber(decoder, v); err != nil {
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return formatError(string(data), err)
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}
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return nil
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}
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// UnmarshalFromString unmarshals v from str.
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func UnmarshalFromString(str string, v interface{}) error {
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decoder := json.NewDecoder(strings.NewReader(str))
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if err := unmarshalUseNumber(decoder, v); err != nil {
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return formatError(str, err)
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}
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return nil
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}
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// UnmarshalFromReader unmarshals v from reader.
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func UnmarshalFromReader(reader io.Reader, v interface{}) error {
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var buf strings.Builder
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teeReader := io.TeeReader(reader, &buf)
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decoder := json.NewDecoder(teeReader)
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if err := unmarshalUseNumber(decoder, v); err != nil {
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return formatError(buf.String(), err)
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}
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return nil
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}
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func unmarshalUseNumber(decoder *json.Decoder, v interface{}) error {
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decoder.UseNumber()
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return decoder.Decode(v)
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}
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func formatError(v string, err error) error {
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return fmt.Errorf("string: `%s`, error: `%w`", v, err)
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}
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