34 lines
628 B
Go
34 lines
628 B
Go
package jq
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/itchyny/gojq"
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)
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// Query executes a compiled jq query against given json. It expects a single result only.
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func Query(query *gojq.Query, input []byte) (interface{}, error) {
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var j interface{}
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if err := json.Unmarshal(input, &j); err != nil {
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return j, err
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}
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iter := query.Run(j)
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v, ok := iter.Next()
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if !ok {
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return nil, errors.New("jq: empty result")
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}
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if err, ok := v.(error); ok {
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return nil, fmt.Errorf("jq: query failed: %v", err)
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}
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if _, ok := iter.Next(); ok {
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return nil, errors.New("jq: too many results")
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}
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return v, nil
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}
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