Method matchConstraint

constraint.go:201–223

matchConstraint validates a parameter against this constraint.

(param string)

// matchConstraint validates a parameter against this constraint.
func (c *Constraint) matchConstraint(param string) bool {
	handler := c.handler
	if handler == nil {
		handler = findConstraintHandler(c.Name, nil, nil)
		if handler == nil {
			handler = findConstraintHandler(resolveConstraintName(c.Name), nil, nil)
		}
		if handler == nil {
			return true
		}
		c.handler = handler
		if analyser, ok := handler.(ConstraintAnalyzer); ok {
			if typed, err := analyser.Analyze(c.Data); err == nil {
				c.typedData = typed
			}
		}
		c.ID = constraintNameToID[handler.Name()]
	}
	if len(c.typedData) > 0 {
		return handler.Execute(param, c.typedData)
	}
	return handler.Execute(param, stringArgsToAny(c.Data))
}

// --- Built-in constraint types ---