init generate

definition/generate/render/render.go

@@ -0,0 +1,49 @@
+package render
+
+import (
+	"fmt"
+	"io"
+	"reflect"
+
+	"gitoa.ru/go-4devs/config/definition"
+	"gitoa.ru/go-4devs/config/definition/generate/view"
+	"gitoa.ru/go-4devs/config/definition/group"
+	"gitoa.ru/go-4devs/config/definition/option"
+	"gitoa.ru/go-4devs/config/definition/proto"
+)
+
+type Execute func(w io.Writer, vi view.View, rnd Rendering) error
+
+var randders = map[reflect.Type]Execute{
+	reflect.TypeFor[*definition.Definition](): Template(defTpl),
+	reflect.TypeFor[group.Group]():            Template(groupTpl),
+	reflect.TypeFor[option.Option]():          Template(optTpl),
+	reflect.TypeFor[proto.Proto]():            Template(protoTpl),
+}
+
+func Renders() map[reflect.Type]Execute {
+	return randders
+}
+
+func Add(rt reflect.Type, fn Execute) {
+	randders[rt] = fn
+}
+
+func Render(w io.Writer, view view.View, data Rendering) error {
+	rnd, ok := randders[view.Kind()]
+	if !ok {
+		return fmt.Errorf("%w:%v", ErrNotFound, view.Kind())
+	}
+
+	if err := rnd(w, view, data); err != nil {
+		return fmt.Errorf("render:%v, err:%w", view.Kind(), err)
+	}
+
+	for _, ch := range view.Views() {
+		if err := Render(w, ch, data); err != nil {
+			return fmt.Errorf("render[%v]:%w", ch.Name(), err)
+		}
+	}
+
+	return nil
+}