mirror of
https://github.com/wader/fq.git
synced 2024-12-25 14:23:18 +03:00
46 lines
964 B
Go
46 lines
964 B
Go
package json
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import (
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stdjson "encoding/json"
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"github.com/wader/fq/format"
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"github.com/wader/fq/format/registry"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/scalar"
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)
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// TODO: should read multiple json values or just one?
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// TODO: root not array/struct how to add unknown gaps?
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// TODO: ranges not end up correct
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// TODO: use jd.InputOffset() * 8?
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func init() {
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registry.MustRegister(decode.Format{
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Name: format.JSON,
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Description: "JSON",
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ProbeOrder: 100, // last
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Groups: []string{format.PROBE},
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DecodeFn: decodeJSON,
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})
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}
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func decodeJSON(d *decode.D, in interface{}) interface{} {
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bb := d.RawLen(d.Len())
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jd := stdjson.NewDecoder(bb)
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var s scalar.S
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if err := jd.Decode(&s.Actual); err != nil {
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d.Fatalf(err.Error())
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}
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switch s.Actual.(type) {
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case map[string]interface{},
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[]interface{}:
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default:
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d.Fatalf("root not object or array")
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}
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d.Value.V = &s
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d.Value.Range.Len = d.Len()
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return nil
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}
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