configToEnvOptions generates a set of EnvOption values (or error) based on a config, a type provider, and an optional set of environment options.
(config *env.Config, provider types.Provider, optFactories []ConfigOptionFactory)
| 564 | // configToEnvOptions generates a set of EnvOption values (or error) based on a config, a type provider, |
| 565 | // and an optional set of environment options. |
| 566 | func configToEnvOptions(config *env.Config, provider types.Provider, optFactories []ConfigOptionFactory) ([]EnvOption, error) { |
| 567 | envOpts := []EnvOption{} |
| 568 | // Configure the standard lib subset. |
| 569 | if config.StdLib != nil { |
| 570 | envOpts = append(envOpts, func(e *Env) (*Env, error) { |
| 571 | if e.HasLibrary("cel.lib.std") { |
| 572 | return nil, errors.New("invalid subset of stdlib: create a custom env") |
| 573 | } |
| 574 | return e, nil |
| 575 | }) |
| 576 | if !config.StdLib.Disabled { |
| 577 | envOpts = append(envOpts, StdLib(StdLibSubset(config.StdLib))) |
| 578 | } |
| 579 | } else { |
| 580 | envOpts = append(envOpts, StdLib()) |
| 581 | } |
| 582 | |
| 583 | // Configure the container |
| 584 | if config.Container != "" { |
| 585 | envOpts = append(envOpts, Container(config.Container)) |
| 586 | } |
| 587 | |
| 588 | // Configure abbreviations |
| 589 | for _, imp := range config.Imports { |
| 590 | envOpts = append(envOpts, Abbrevs(imp.Name)) |
| 591 | } |
| 592 | |
| 593 | // Configure features and common limits. |
| 594 | for _, feat := range config.Features { |
| 595 | // Note, if a feature is not found, it is skipped as it is possible the feature |
| 596 | // is not intended to be supported publicly. In the future, a refinement of |
| 597 | // to this strategy to report unrecognized features and validators should probably |
| 598 | // be covered as a standard ConfigOptionFactory |
| 599 | if id, found := featureIDByName(feat.Name); found { |
| 600 | envOpts = append(envOpts, features(id, feat.Enabled)) |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | // Configure the context variable declaration |
| 605 | if config.ContextVariable != nil { |
| 606 | typeName := config.ContextVariable.TypeName |
| 607 | if _, found := provider.FindStructType(typeName); !found { |
| 608 | return nil, fmt.Errorf("invalid context proto type: %q", typeName) |
| 609 | } |
| 610 | // Attempt to instantiate the proto in order to reflect to its descriptor |
| 611 | msg := provider.NewValue(typeName, map[string]ref.Val{}) |
| 612 | pbMsg, ok := msg.Value().(proto.Message) |
| 613 | if !ok { |
| 614 | return nil, fmt.Errorf("unsupported context type: %T", msg.Value()) |
| 615 | } |
| 616 | envOpts = append(envOpts, DeclareContextProto(pbMsg.ProtoReflect().Descriptor())) |
| 617 | } |
| 618 | |
| 619 | // Configure variables |
| 620 | if len(config.Variables) != 0 { |
| 621 | vars := make([]*decls.VariableDecl, 0, len(config.Variables)) |
| 622 | for _, v := range config.Variables { |
| 623 | vDef, err := v.AsCELVariable(provider) |
no test coverage detected