This commit introduces a mechanism for validators to return early once
the validation outcome is determined, rather than evaluating all child
validators.
The ShortCircuit validator evaluates validators sequentially and stops
at the first failure, similar to how PHP's && operator works. This is
useful when later validators depend on earlier ones passing, or when
you want only the first error message.
The ShortCircuitCapable interface allows composite validators (AllOf,
AnyOf, OneOf, NoneOf, Each, All) to implement their own short-circuit
logic.
Why "ShortCircuit" instead of "FailFast":
The name "FailFast" was initially considered but proved misleading.
While AllOf stops on failure (fail fast), AnyOf stops on success
(succeed fast), and OneOf stops on the second success. The common
behavior is not about failing quickly, but about returning as soon as
the outcome is determined—which is exactly what short-circuit
evaluation means. This terminology is familiar to developers from
boolean operators (&& and ||), making the behavior immediately
understandable.
Co-authored-by: Alexandre Gomes Gaigalas <alganet@gmail.com>
Assisted-by: Claude Code (Opus 4.5)
I ran the `bin/console spdx --fix` with different strategies for
different files. For most of the core classes, since they've been
drastically rebuilt, I've run it with the `git-blame` strategy, for for
the `src/Validators`, in which the API changed completely but the logic
remains the same, I use the `git-log` strategy.
This commit introduces REUSE compliance by annotating all files
with SPDX information and placing the reused licences in the
LICENSES folder.
We additionally removed the docheader tool which is made obsolete
by this change.
The main LICENSE and copyright text of the project is now not under
my personal name anymore, and it belongs to "The Respect Project
Contributors" instead.
This change restores author names to several files, giving the
appropriate attribution for contributions.
After renaming rules to validatores, it doesn't make sense to keep on
having that exception. I renamed it to a more cleaner name, not
mentioning the constructor because I think that if the constructor is
not valid, the validator is not valid, hence the name I chose.
