snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/pkg/expr/values.go

@@ -0,0 +1,82 @@
+package expr
+
+import (
+	"reflect"
+)
+
+type (
+	Type interface {
+		Type() string
+		Cast(interface{}) (TypedValue, error)
+	}
+
+	TypedValue interface {
+		Type
+		Assigner
+		Clone() (TypedValue, error)
+		Get() interface{}
+	}
+
+	Comparable interface {
+		Compare(TypedValue) (int, error)
+	}
+
+	typedValueWrap struct {
+		Value interface{} `json:"@value"`
+		Type  string      `json:"@type"`
+	}
+
+	Assigner interface {
+		Assign(interface{}) error
+	}
+
+	FieldSelector interface {
+		Has(k string) bool
+		Select(k string) (TypedValue, error)
+	}
+
+	FieldAssigner interface {
+		AssignFieldValue(string, TypedValue) error
+	}
+
+	DeepFieldAssigner interface {
+		AssignFieldValue(Pather, TypedValue) error
+	}
+
+	// FlatStore marks types whose keys must never be path-split (e.g. KV, KVV).
+	// Assign will use the full key string as-is instead of traversing dot-separated segments.
+	FlatStore interface {
+		isFlatStore()
+	}
+
+	Iterator interface {
+		Each(func(k string, v TypedValue) error) error
+	}
+
+	TypeValueDecoder interface {
+		Decode(dst reflect.Value) error
+	}
+
+	Dict interface {
+		Dict() map[string]interface{}
+	}
+
+	Slice interface {
+		Slice() []interface{}
+	}
+)
+
+func UntypedValue(val interface{}) interface{} {
+	if tv, is := val.(TypedValue); is {
+		return tv.Get()
+	}
+
+	return val
+}
+
+func Must(v TypedValue, err error) TypedValue {
+	if err != nil {
+		panic(err)
+	}
+	return v
+}