You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
memos/plugin/filter/expr.go

40 lines
1.1 KiB
Go

package filter
import (
"errors"
exprv1 "google.golang.org/genproto/googleapis/api/expr/v1alpha1"
)
// GetConstValue returns the constant value of the expression.
func GetConstValue(expr *exprv1.Expr) (any, error) {
v, ok := expr.ExprKind.(*exprv1.Expr_ConstExpr)
if !ok {
return nil, errors.New("invalid constant expression")
}
switch v.ConstExpr.ConstantKind.(type) {
case *exprv1.Constant_StringValue:
return v.ConstExpr.GetStringValue(), nil
case *exprv1.Constant_Int64Value:
return v.ConstExpr.GetInt64Value(), nil
case *exprv1.Constant_Uint64Value:
return v.ConstExpr.GetUint64Value(), nil
case *exprv1.Constant_DoubleValue:
return v.ConstExpr.GetDoubleValue(), nil
case *exprv1.Constant_BoolValue:
return v.ConstExpr.GetBoolValue(), nil
default:
return nil, errors.New("unexpected constant type")
}
}
// GetIdentExprName returns the name of the identifier expression.
func GetIdentExprName(expr *exprv1.Expr) (string, error) {
_, ok := expr.ExprKind.(*exprv1.Expr_IdentExpr)
if !ok {
return "", errors.New("invalid identifier expression")
}
return expr.GetIdentExpr().GetName(), nil
}