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parsingErrors.go
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/
parsingErrors.go
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// Copyright 2018 CoreOS, Inc.
//
// 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
//
// http://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 util
import (
"encoding/json"
"github.com/coreos/ignition/v2/config/shared/errors"
"github.com/coreos/vcontext/path"
"github.com/coreos/vcontext/report"
"github.com/coreos/vcontext/tree"
)
// HandleParseErrors will attempt to unmarshal an invalid rawConfig into "to".
// If it fails to unmarsh it will generate a report.Report from the errors.
func HandleParseErrors(rawConfig []byte, to interface{}) (report.Report, error) {
r := report.Report{}
err := json.Unmarshal(rawConfig, to)
if err == nil {
return report.Report{}, nil
}
var node tree.Leaf
switch t := err.(type) {
case *json.SyntaxError:
node.Marker = tree.MarkerFromIndices(t.Offset, -1)
case *json.UnmarshalTypeError:
node.Marker = tree.MarkerFromIndices(t.Offset, -1)
}
tree.FixLineColumn(node, rawConfig)
r.AddOnError(path.ContextPath{Tag: "json"}, err)
r.Correlate(node)
return r, errors.ErrInvalid
}