Add decoding of map

decode.odin

@@ -1,38 +1,82 @@
 package mustache
 
+import "base:runtime"
+import "core:mem"
+
 import "core:reflect"
 import "core:strings"
 import "core:log"
 import "core:fmt"
 
 decode :: proc( v: any, key: string ) -> any {
-	if v == nil do return ""
+	if key ==  "." do return v
 
 	v := reflect.any_base(v)
 	ti := type_info_of(v.id)
 
-	switch  {
-	case reflect.is_struct(ti):
+	#partial switch i in runtime.type_info_base(ti).variant {
+	case runtime.Type_Info_Enumerated_Array:
+		return decode(any{v.data, ti.id}, key)
+
+	case runtime.Type_Info_Union:
+		return decode(any{v.data, reflect.union_variant_typeid(v) }, key)
+
+	case runtime.Type_Info_Struct:
 		newkey, err := strings.split_after_n(key, ".", 2)
 		
-		if len(newkey) != 2 || err != nil {
-			return decode( reflect.struct_field_value_by_name(v, key), "." )
+		if err != nil {
+			return nil
 		}
 
-		return decode( reflect.struct_field_value_by_name(v, newkey[0][:len(newkey[0])-1]), newkey[1] )
-	case reflect.is_string(ti):
-		if key != "." do return ""
-		return  v
-	case reflect.is_integer(ti):
-		if key != "." do return ""
-		return  v
-	case reflect.is_enum(ti):
-		return decode(any{v.data, ti.id}, key)
-	case reflect.is_slice(ti):
-		if key != "." do return ""
-		return  v
-	case:
-		log.warnf("%v", ti)
+		defer delete(newkey)
+
+		newkey_0 := newkey[0]
+		newkey_1 := "."
+
+		if len(newkey) == 2 {
+			newkey_0 = newkey[0][:len(newkey[0])-1]
+			newkey_1 = newkey[1]
+		}
+
+		return decode( reflect.struct_field_value_by_name(v, newkey_0), newkey_1 )
+
+
+	case runtime.Type_Info_Map:
+		newkey, err := strings.split_after_n(key, ".", 2)
+
+		if err!= nil {
+			return nil
+		}
+
+		defer delete(newkey)
+
+		newkey_0 := newkey[0]
+		newkey_1 := "."
+
+		if len(newkey) == 2 {
+			newkey_0 = newkey[0][:len(newkey[0])-1]
+			newkey_1 = newkey[1]
+		}
+
+
+		m := (^mem.Raw_Map)(v.data)
+		ks, vs, _, _, _ := runtime.map_kvh_data_dynamic(m^, i.map_info)
+
+		for j in 0..<runtime.map_cap(m^) {
+			key_data := runtime.map_cell_index_dynamic(ks, i.map_info.ks, uintptr(j))
+			ky, ok := reflect.as_string(any{rawptr(key_data), i.key.id})
+
+			if !ok {
+				return nil
+			}
+
+			if ky == newkey_0 {
+				t := any{rawptr(runtime.map_cell_index_dynamic(vs, i.map_info.vs, uintptr(j))), i.value.id}
+				return decode(t, newkey_1 )
+			}
+		}
+
+		return ""
 	}
 
 	return ""
@@ -50,9 +94,9 @@ preprocess :: proc( r: ^strings.Reader, v: any, key: string ) -> string {
 	t := reflect.any_base(decode(v, key))
 	ti := type_info_of(t.id)
 
-	ret : string
-	switch  {
-	case reflect.is_slice(ti):
+	ret : string= ""
+	#partial switch i in runtime.type_info_base(ti).variant {
+	case runtime.Type_Info_Slice:
 		for i in 0..<reflect.length(t) {
 			elem :=reflect.index(t, i);
 
@@ -61,7 +105,6 @@ preprocess :: proc( r: ^strings.Reader, v: any, key: string ) -> string {
 			defer delete(tmp)
 
 			ret = strings.concatenate({ret, tmp})
-			log.infof(ret)
 		}
 	}