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65 lines
1.4 KiB
65 lines
1.4 KiB
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 any) ([]byte, error) { |
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return json.Marshal(v) |
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} |
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// MarshalToString marshals v into a string. |
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func MarshalToString(v any) (string, error) { |
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data, err := Marshal(v) |
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if err != nil { |
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return "", err |
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} |
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return string(data), nil |
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} |
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// Unmarshal unmarshals data bytes into v. |
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func Unmarshal(data []byte, v any) 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 any) 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 any) 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 any) 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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