big tings

parser/decoders/yaml.go

@@ -0,0 +1,32 @@
+package decoders
+
+import (
+	"fmt"
+
+	"git.max-richter.dev/max/marka/parser/utils"
+	"git.max-richter.dev/max/marka/template"
+	"go.yaml.in/yaml/v4"
+)
+
+func Yaml(input string, block template.Block) (value any, error error) {
+	res := make(map[string]any)
+	err := yaml.Unmarshal([]byte(input), &res)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse yaml '%q': %w", input, err)
+	}
+
+	var out any
+	for _, f := range block.Fields {
+		if f.CodecType == template.CodecConst {
+			if f.Value != nil {
+				out = utils.SetPathValue(f.Path, f.Value, out)
+			}
+		} else {
+			if value, ok := res[f.Path]; ok {
+				out = utils.SetPathValue(f.Path, value, out)
+			}
+		}
+	}
+
+	return out, nil
+}