forked from raystack/guardian
/
utils.go
45 lines (37 loc) · 902 Bytes
/
utils.go
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package cli
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"path/filepath"
"github.com/sergi/go-diff/diffmatchpatch"
"gopkg.in/yaml.v3"
)
func parseFile(filePath string, v interface{}) error {
b, err := ioutil.ReadFile(filePath)
if err != nil {
return err
}
switch filepath.Ext(filePath) {
case ".json":
if err := json.Unmarshal(b, v); err != nil {
return fmt.Errorf("invalid json: %w", err)
}
case ".yaml", ".yml":
if err := yaml.Unmarshal(b, v); err != nil {
return fmt.Errorf("invalid yaml: %w", err)
}
default:
return errors.New("unsupported file type")
}
return nil
}
func diff(a, b string) string {
dmp := diffmatchpatch.New()
aDmp, bDmp, dmpStrings := dmp.DiffLinesToChars(a, b)
diffs := dmp.DiffMain(aDmp, bDmp, false)
diffs = dmp.DiffCharsToLines(diffs, dmpStrings)
diffs = dmp.DiffCleanupSemantic(diffs)
return dmp.DiffPrettyText(diffs)
}