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jmespath.go
56 lines (50 loc) · 1.4 KB
/
jmespath.go
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// Copyright 2023 The Heimdall authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package console
import (
"reflect"
"github.com/abc-inc/gutenfmt/gfmt"
"github.com/jmespath/go-jmespath"
)
type JMESPathWriter struct {
w gfmt.Writer
Expr *jmespath.JMESPath
Indent string
Color bool
}
func NewJMESPathPrinter(w gfmt.Writer, expr string) gfmt.Writer {
return &JMESPathWriter{
w: w,
Expr: jmespath.MustCompile(expr),
Indent: "",
Color: false,
}
}
func (w JMESPathWriter) Write(i any) (n int, err error) {
k := reflect.TypeOf(i).Kind()
switch k {
case reflect.Ptr:
return w.Write(reflect.ValueOf(i).Elem())
case reflect.Map, reflect.Struct, reflect.Slice, reflect.Array:
i, err = w.Expr.Search(i)
if err != nil {
return 0, err
}
return w.w.Write(i)
case reflect.String:
return w.w.Write(i)
default:
panic("unsupported type: " + reflect.TypeOf(i).String())
}
}