fix: add forgotten helpers.go

Signed-off-by: Martin Chodur <m.chodur@seznam.cz>

pkg/unmarshaler/helpers.go

@@ -0,0 +1,62 @@
+package unmarshaler
+
+import (
+	"strings"
+
+	"gopkg.in/yaml.v3"
+)
+
+func getYamlNodeComments(n yaml.Node, commentPrefix string) []string {
+	comments := []string{}
+	for _, line := range strings.Split(n.HeadComment, "\n") {
+		if !strings.Contains(line, commentPrefix) {
+			continue
+		}
+		comments = append(comments, line)
+	}
+	return comments
+}
+
+func getExpressionComments(expr, commentPrefix string) []string {
+	comments := []string{}
+	for _, line := range strings.Split(expr, "\n") {
+		before, comment, found := strings.Cut(line, "#")
+		if !found || strings.TrimSpace(before) != "" {
+			continue
+		}
+		if !strings.Contains(comment, commentPrefix) {
+			continue
+		}
+		comments = append(comments, comment)
+	}
+	return comments
+}
+
+func disabledValidatorsFromComments(comments []string, commentPrefix string) []string {
+	commentPrefix += ":"
+	disabledValidators := []string{}
+	for _, comment := range comments {
+		_, csv, found := strings.Cut(comment, commentPrefix)
+		if !found {
+			continue
+		}
+		validators := strings.Split(csv, ",")
+		for _, v := range validators {
+			vv := strings.TrimSpace(v)
+			disabledValidators = append(disabledValidators, vv)
+		}
+	}
+	return disabledValidators
+}
+
+func unmarshalToNodeAndStruct(value, dstNode *yaml.Node, dstStruct interface{}) error {
+	err := value.Decode(dstNode)
+	if err != nil {
+		return err
+	}
+	err = value.Decode(dstStruct)
+	if err != nil {
+		return err
+	}
+	return nil
+}