Configuration file syntax and parsing for golang
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package forge
import "errors"
// Reference struct used for holding data neede for Reference data type
type Reference struct {
section *Section
name string
}
// NewReference will create and initialize a new Reference value
func NewReference(name string, section *Section) *Reference {
return &Reference{
section: section,
name: name,
}
}
func (reference *Reference) resolve() Value {
value, err := reference.section.Resolve(reference.name)
if err != nil {
value = NewNull()
}
return value
}
// GetType will simply return back REFERENCE
func (reference *Reference) GetType() ValueType {
return REFERENCE
}
// GetValue will resolve and return the value from the underlying reference
func (reference *Reference) GetValue() interface{} {
return reference.resolve().GetValue()
}
// UpdateValue will simply throw an error since it is not allowed for References
func (reference *Reference) UpdateValue(value interface{}) error {
return errors.New("cannot update value of a reference")
}