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terrajet.go
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terrajet.go
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// SPDX-FileCopyrightText: 2023 The Crossplane Authors <https://crossplane.io>
//
// SPDX-License-Identifier: Apache-2.0
package markers
import (
"fmt"
"strings"
"github.com/pkg/errors"
)
const (
markerPrefixUpjet = "+upjet:"
errFmtCannotParseAsUpjet = "cannot parse as a upjet prefix: %s"
)
var (
markerPrefixCRDTFTag = fmt.Sprintf("%scrd:field:TFTag=", markerPrefixUpjet)
markerPrefixCRDJSONTag = fmt.Sprintf("%scrd:field:JSONTag=", markerPrefixUpjet)
)
// UpjetOptions represents the whole upjet options that could be
// controlled with markers.
type UpjetOptions struct {
FieldTFTag *string
FieldJSONTag *string
}
func (o UpjetOptions) String() string {
m := ""
if o.FieldTFTag != nil {
m += fmt.Sprintf("%s%s\n", markerPrefixCRDTFTag, *o.FieldTFTag)
}
if o.FieldJSONTag != nil {
m += fmt.Sprintf("%s%s\n", markerPrefixCRDJSONTag, *o.FieldJSONTag)
}
return m
}
// ParseAsUpjetOption parses input line as a upjet option, if it is a
// valid Upjet Option. Returns whether it is parsed or not.
func ParseAsUpjetOption(opts *UpjetOptions, line string) (bool, error) {
if !strings.HasPrefix(line, markerPrefixUpjet) {
return false, nil
}
ln := strings.TrimSpace(line)
if strings.HasPrefix(ln, markerPrefixCRDTFTag) {
t := strings.TrimPrefix(ln, markerPrefixCRDTFTag)
opts.FieldTFTag = &t
return true, nil
}
if strings.HasPrefix(ln, markerPrefixCRDJSONTag) {
t := strings.TrimPrefix(ln, markerPrefixCRDJSONTag)
opts.FieldJSONTag = &t
return true, nil
}
return false, errors.Errorf(errFmtCannotParseAsUpjet, line)
}