Method stringSection

script/application.go:224–254

(sectionName string, required bool, callbacks ...ValidatorCallback)

}

func (a *Application) stringSection(sectionName string, required bool, callbacks ...ValidatorCallback) string {
	value, exists := a.sections[sectionName]
	_, value, _ = ParseInput(value)

	// If the section is required, apply the presence validator if the entry
	// exists, early fail validation if it doesn't exist. If the section is
	// not required and there is no content to work with, don't try to run
	// additional validations.
	if required {
		if exists {
			callbacks = append([]ValidatorCallback{IsPresent}, callbacks...)
		} else {
			a.validator.AddError(sectionName, value, "was not completed for application")
			return value
		}
	} else if !exists || value == "" {
		return value
	}

	for _, callback := range callbacks {
		pass, newValue, message := callback(value)
		value = newValue

		if !pass {
			a.validator.AddError(sectionName, value, message)
			break
		}
	}

	return value
}

func (a *Application) intSection(sectionName string, required bool, callbacks ...ValidatorCallback) int {
	value := a.stringSection(sectionName, required, callbacks...)