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* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\OptionsResolver; use Symfony\Component\OptionsResolver\Exception\AccessException; use Symfony\Component\OptionsResolver\Exception\InvalidArgumentException; use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException; use Symfony\Component\OptionsResolver\Exception\MissingOptionsException; use Symfony\Component\OptionsResolver\Exception\NoSuchOptionException; use Symfony\Component\OptionsResolver\Exception\OptionDefinitionException; use Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException; /** * Validates options and merges them with default values. * * @author Bernhard Schussek
* @author Tobias Schultze
*/ class OptionsResolver implements Options { private const VALIDATION_FUNCTIONS = [ 'bool' => 'is_bool', 'boolean' => 'is_bool', 'int' => 'is_int', 'integer' => 'is_int', 'long' => 'is_int', 'float' => 'is_float', 'double' => 'is_float', 'real' => 'is_float', 'numeric' => 'is_numeric', 'string' => 'is_string', 'scalar' => 'is_scalar', 'array' => 'is_array', 'iterable' => 'is_iterable', 'countable' => 'is_countable', 'callable' => 'is_callable', 'object' => 'is_object', 'resource' => 'is_resource', ]; /** * The names of all defined options. */ private $defined = []; /** * The default option values. */ private $defaults = []; /** * A list of closure for nested options. * * @var \Closure[][] */ private $nested = []; /** * The names of required options. */ private $required = []; /** * The resolved option values. */ private $resolved = []; /** * A list of normalizer closures. * * @var \Closure[][] */ private $normalizers = []; /** * A list of accepted values for each option. */ private $allowedValues = []; /** * A list of accepted types for each option. */ private $allowedTypes = []; /** * A list of info messages for each option. */ private $info = []; /** * A list of closures for evaluating lazy options. */ private $lazy = []; /** * A list of lazy options whose closure is currently being called. * * This list helps detecting circular dependencies between lazy options. */ private $calling = []; /** * A list of deprecated options. */ private $deprecated = []; /** * The list of options provided by the user. */ private $given = []; /** * Whether the instance is locked for reading. * * Once locked, the options cannot be changed anymore. This is * necessary in order to avoid inconsistencies during the resolving * process. If any option is changed after being read, all evaluated * lazy options that depend on this option would become invalid. */ private $locked = false; private $parentsOptions = []; /** * Whether the whole options definition is marked as array prototype. */ private $prototype; /** * The prototype array's index that is being read. */ private $prototypeIndex; /** * Sets the default value of a given option. * * If the default value should be set based on other options, you can pass * a closure with the following signature: * * function (Options $options) { * // ... * } * * The closure will be evaluated when {@link resolve()} is called. The * closure has access to the resolved values of other options through the * passed {@link Options} instance: * * function (Options $options) { * if (isset($options['port'])) { * // ... * } * } * * If you want to access the previously set default value, add a second * argument to the closure's signature: * * $options->setDefault('name', 'Default Name'); * * $options->setDefault('name', function (Options $options, $previousValue) { * // 'Default Name' === $previousValue * }); * * This is mostly useful if the configuration of the {@link Options} object * is spread across different locations of your code, such as base and * sub-classes. * * If you want to define nested options, you can pass a closure with the * following signature: * * $options->setDefault('database', function (OptionsResolver $resolver) { * $resolver->setDefined(['dbname', 'host', 'port', 'user', 'pass']); * } * * To get access to the parent options, add a second argument to the closure's * signature: * * function (OptionsResolver $resolver, Options $parent) { * // 'default' === $parent['connection'] * } * * @param string $option The name of the option * @param mixed $value The default value of the option * * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function setDefault(string $option, $value) { // Setting is not possible once resolving starts, because then lazy // options could manipulate the state of the object, leading to // inconsistent results. if ($this->locked) { throw new AccessException('Default values cannot be set from a lazy option or normalizer.'); } // If an option is a closure that should be evaluated lazily, store it // in the "lazy" property. if ($value instanceof \Closure) { $reflClosure = new \ReflectionFunction($value); $params = $reflClosure->getParameters(); if (isset($params[0]) && Options::class === $this->getParameterClassName($params[0])) { // Initialize the option if no previous value exists if (!isset($this->defaults[$option])) { $this->defaults[$option] = null; } // Ignore previous lazy options if the closure has no second parameter if (!isset($this->lazy[$option]) || !isset($params[1])) { $this->lazy[$option] = []; } // Store closure for later evaluation $this->lazy[$option][] = $value; $this->defined[$option] = true; // Make sure the option is processed and is not nested anymore unset($this->resolved[$option], $this->nested[$option]); return $this; } if (isset($params[0]) && null !== ($type = $params[0]->getType()) && self::class === $type->getName() && (!isset($params[1]) || (($type = $params[1]->getType()) instanceof \ReflectionNamedType && Options::class === $type->getName()))) { // Store closure for later evaluation $this->nested[$option][] = $value; $this->defaults[$option] = []; $this->defined[$option] = true; // Make sure the option is processed and is not lazy anymore unset($this->resolved[$option], $this->lazy[$option]); return $this; } } // This option is not lazy nor nested anymore unset($this->lazy[$option], $this->nested[$option]); // Yet undefined options can be marked as resolved, because we only need // to resolve options with lazy closures, normalizers or validation // rules, none of which can exist for undefined options // If the option was resolved before, update the resolved value if (!isset($this->defined[$option]) || \array_key_exists($option, $this->resolved)) { $this->resolved[$option] = $value; } $this->defaults[$option] = $value; $this->defined[$option] = true; return $this; } /** * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function setDefaults(array $defaults) { foreach ($defaults as $option => $value) { $this->setDefault($option, $value); } return $this; } /** * Returns whether a default value is set for an option. * * Returns true if {@link setDefault()} was called for this option. * An option is also considered set if it was set to null. * * @return bool Whether a default value is set */ public function hasDefault(string $option) { return \array_key_exists($option, $this->defaults); } /** * Marks one or more options as required. * * @param string|string[] $optionNames One or more option names * * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function setRequired($optionNames) { if ($this->locked) { throw new AccessException('Options cannot be made required from a lazy option or normalizer.'); } foreach ((array) $optionNames as $option) { $this->defined[$option] = true; $this->required[$option] = true; } return $this; } /** * Returns whether an option is required. * * An option is required if it was passed to {@link setRequired()}. * * @return bool Whether the option is required */ public function isRequired(string $option) { return isset($this->required[$option]); } /** * Returns the names of all required options. * * @return string[] The names of the required options * * @see isRequired() */ public function getRequiredOptions() { return array_keys($this->required); } /** * Returns whether an option is missing a default value. * * An option is missing if it was passed to {@link setRequired()}, but not * to {@link setDefault()}. This option must be passed explicitly to * {@link resolve()}, otherwise an exception will be thrown. * * @return bool Whether the option is missing */ public function isMissing(string $option) { return isset($this->required[$option]) && !\array_key_exists($option, $this->defaults); } /** * Returns the names of all options missing a default value. * * @return string[] The names of the missing options * * @see isMissing() */ public function getMissingOptions() { return array_keys(array_diff_key($this->required, $this->defaults)); } /** * Defines a valid option name. * * Defines an option name without setting a default value. The option will * be accepted when passed to {@link resolve()}. When not passed, the * option will not be included in the resolved options. * * @param string|string[] $optionNames One or more option names * * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function setDefined($optionNames) { if ($this->locked) { throw new AccessException('Options cannot be defined from a lazy option or normalizer.'); } foreach ((array) $optionNames as $option) { $this->defined[$option] = true; } return $this; } /** * Returns whether an option is defined. * * Returns true for any option passed to {@link setDefault()}, * {@link setRequired()} or {@link setDefined()}. * * @return bool Whether the option is defined */ public function isDefined(string $option) { return isset($this->defined[$option]); } /** * Returns the names of all defined options. * * @return string[] The names of the defined options * * @see isDefined() */ public function getDefinedOptions() { return array_keys($this->defined); } public function isNested(string $option): bool { return isset($this->nested[$option]); } /** * Deprecates an option, allowed types or values. * * Instead of passing the message, you may also pass a closure with the * following signature: * * function (Options $options, $value): string { * // ... * } * * The closure receives the value as argument and should return a string. * Return an empty string to ignore the option deprecation. * * The closure is invoked when {@link resolve()} is called. The parameter * passed to the closure is the value of the option after validating it * and before normalizing it. * * @param string $package The name of the composer package that is triggering the deprecation * @param string $version The version of the package that introduced the deprecation * @param string|\Closure $message The deprecation message to use */ public function setDeprecated(string $option/*, string $package, string $version, $message = 'The option "%name%" is deprecated.' */): self { if ($this->locked) { throw new AccessException('Options cannot be deprecated from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist, defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } $args = \func_get_args(); if (\func_num_args() < 3) { trigger_deprecation('symfony/options-resolver', '5.1', 'The signature of method "%s()" requires 2 new arguments: "string $package, string $version", not defining them is deprecated.', __METHOD__); $message = $args[1] ?? 'The option "%name%" is deprecated.'; $package = $version = ''; } else { $package = $args[1]; $version = $args[2]; $message = $args[3] ?? 'The option "%name%" is deprecated.'; } if (!\is_string($message) && !$message instanceof \Closure) { throw new InvalidArgumentException(sprintf('Invalid type for deprecation message argument, expected string or \Closure, but got "%s".', get_debug_type($message))); } // ignore if empty string if ('' === $message) { return $this; } $this->deprecated[$option] = [ 'package' => $package, 'version' => $version, 'message' => $message, ]; // Make sure the option is processed unset($this->resolved[$option]); return $this; } public function isDeprecated(string $option): bool { return isset($this->deprecated[$option]); } /** * Sets the normalizer for an option. * * The normalizer should be a closure with the following signature: * * function (Options $options, $value) { * // ... * } * * The closure is invoked when {@link resolve()} is called. The closure * has access to the resolved values of other options through the passed * {@link Options} instance. * * The second parameter passed to the closure is the value of * the option. * * The resolved option value is set to the return value of the closure. * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function setNormalizer(string $option, \Closure $normalizer) { if ($this->locked) { throw new AccessException('Normalizers cannot be set from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } $this->normalizers[$option] = [$normalizer]; // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Adds a normalizer for an option. * * The normalizer should be a closure with the following signature: * * function (Options $options, $value): mixed { * // ... * } * * The closure is invoked when {@link resolve()} is called. The closure * has access to the resolved values of other options through the passed * {@link Options} instance. * * The second parameter passed to the closure is the value of * the option. * * The resolved option value is set to the return value of the closure. * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function addNormalizer(string $option, \Closure $normalizer, bool $forcePrepend = false): self { if ($this->locked) { throw new AccessException('Normalizers cannot be set from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } if ($forcePrepend) { $this->normalizers[$option] = $this->normalizers[$option] ?? []; array_unshift($this->normalizers[$option], $normalizer); } else { $this->normalizers[$option][] = $normalizer; } // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Sets allowed values for an option. * * Instead of passing values, you may also pass a closures with the * following signature: * * function ($value) { * // return true or false * } * * The closure receives the value as argument and should return true to * accept the value and false to reject the value. * * @param string $option The option name * @param mixed $allowedValues One or more acceptable values/closures * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function setAllowedValues(string $option, $allowedValues) { if ($this->locked) { throw new AccessException('Allowed values cannot be set from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } $this->allowedValues[$option] = \is_array($allowedValues) ? $allowedValues : [$allowedValues]; // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Adds allowed values for an option. * * The values are merged with the allowed values defined previously. * * Instead of passing values, you may also pass a closures with the * following signature: * * function ($value) { * // return true or false * } * * The closure receives the value as argument and should return true to * accept the value and false to reject the value. * * @param string $option The option name * @param mixed $allowedValues One or more acceptable values/closures * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function addAllowedValues(string $option, $allowedValues) { if ($this->locked) { throw new AccessException('Allowed values cannot be added from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } if (!\is_array($allowedValues)) { $allowedValues = [$allowedValues]; } if (!isset($this->allowedValues[$option])) { $this->allowedValues[$option] = $allowedValues; } else { $this->allowedValues[$option] = array_merge($this->allowedValues[$option], $allowedValues); } // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Sets allowed types for an option. * * Any type for which a corresponding is_
() function exists is * acceptable. Additionally, fully-qualified class or interface names may * be passed. * * @param string|string[] $allowedTypes One or more accepted types * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function setAllowedTypes(string $option, $allowedTypes) { if ($this->locked) { throw new AccessException('Allowed types cannot be set from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } $this->allowedTypes[$option] = (array) $allowedTypes; // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Adds allowed types for an option. * * The types are merged with the allowed types defined previously. * * Any type for which a corresponding is_
() function exists is * acceptable. Additionally, fully-qualified class or interface names may * be passed. * * @param string|string[] $allowedTypes One or more accepted types * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function addAllowedTypes(string $option, $allowedTypes) { if ($this->locked) { throw new AccessException('Allowed types cannot be added from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } if (!isset($this->allowedTypes[$option])) { $this->allowedTypes[$option] = (array) $allowedTypes; } else { $this->allowedTypes[$option] = array_merge($this->allowedTypes[$option], (array) $allowedTypes); } // Make sure the option is processed unset($this->resolved[$option]); return $this; } /** * Defines an option configurator with the given name. */ public function define(string $option): OptionConfigurator { if (isset($this->defined[$option])) { throw new OptionDefinitionException(sprintf('The option "%s" is already defined.', $option)); } return new OptionConfigurator($option, $this); } /** * Sets an info message for an option. * * @return $this * * @throws UndefinedOptionsException If the option is undefined * @throws AccessException If called from a lazy option or normalizer */ public function setInfo(string $option, string $info): self { if ($this->locked) { throw new AccessException('The Info message cannot be set from a lazy option or normalizer.'); } if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } $this->info[$option] = $info; return $this; } /** * Gets the info message for an option. */ public function getInfo(string $option): ?string { if (!isset($this->defined[$option])) { throw new UndefinedOptionsException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } return $this->info[$option] ?? null; } /** * Marks the whole options definition as array prototype. * * @return $this * * @throws AccessException If called from a lazy option, a normalizer or a root definition */ public function setPrototype(bool $prototype): self { if ($this->locked) { throw new AccessException('The prototype property cannot be set from a lazy option or normalizer.'); } if (null === $this->prototype && $prototype) { throw new AccessException('The prototype property cannot be set from a root definition.'); } $this->prototype = $prototype; return $this; } public function isPrototype(): bool { return $this->prototype ?? false; } /** * Removes the option with the given name. * * Undefined options are ignored. * * @param string|string[] $optionNames One or more option names * * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function remove($optionNames) { if ($this->locked) { throw new AccessException('Options cannot be removed from a lazy option or normalizer.'); } foreach ((array) $optionNames as $option) { unset($this->defined[$option], $this->defaults[$option], $this->required[$option], $this->resolved[$option]); unset($this->lazy[$option], $this->normalizers[$option], $this->allowedTypes[$option], $this->allowedValues[$option], $this->info[$option]); } return $this; } /** * Removes all options. * * @return $this * * @throws AccessException If called from a lazy option or normalizer */ public function clear() { if ($this->locked) { throw new AccessException('Options cannot be cleared from a lazy option or normalizer.'); } $this->defined = []; $this->defaults = []; $this->nested = []; $this->required = []; $this->resolved = []; $this->lazy = []; $this->normalizers = []; $this->allowedTypes = []; $this->allowedValues = []; $this->deprecated = []; $this->info = []; return $this; } /** * Merges options with the default values stored in the container and * validates them. * * Exceptions are thrown if: * * - Undefined options are passed; * - Required options are missing; * - Options have invalid types; * - Options have invalid values. * * @return array The merged and validated options * * @throws UndefinedOptionsException If an option name is undefined * @throws InvalidOptionsException If an option doesn't fulfill the * specified validation rules * @throws MissingOptionsException If a required option is missing * @throws OptionDefinitionException If there is a cyclic dependency between * lazy options and/or normalizers * @throws NoSuchOptionException If a lazy option reads an unavailable option * @throws AccessException If called from a lazy option or normalizer */ public function resolve(array $options = []) { if ($this->locked) { throw new AccessException('Options cannot be resolved from a lazy option or normalizer.'); } // Allow this method to be called multiple times $clone = clone $this; // Make sure that no unknown options are passed $diff = array_diff_key($options, $clone->defined); if (\count($diff) > 0) { ksort($clone->defined); ksort($diff); throw new UndefinedOptionsException(sprintf((\count($diff) > 1 ? 'The options "%s" do not exist.' : 'The option "%s" does not exist.').' Defined options are: "%s".', $this->formatOptions(array_keys($diff)), implode('", "', array_keys($clone->defined)))); } // Override options set by the user foreach ($options as $option => $value) { $clone->given[$option] = true; $clone->defaults[$option] = $value; unset($clone->resolved[$option], $clone->lazy[$option]); } // Check whether any required option is missing $diff = array_diff_key($clone->required, $clone->defaults); if (\count($diff) > 0) { ksort($diff); throw new MissingOptionsException(sprintf(\count($diff) > 1 ? 'The required options "%s" are missing.' : 'The required option "%s" is missing.', $this->formatOptions(array_keys($diff)))); } // Lock the container $clone->locked = true; // Now process the individual options. Use offsetGet(), which resolves // the option itself and any options that the option depends on foreach ($clone->defaults as $option => $_) { $clone->offsetGet($option); } return $clone->resolved; } /** * Returns the resolved value of an option. * * @param bool $triggerDeprecation Whether to trigger the deprecation or not (true by default) * * @return mixed The option value * * @throws AccessException If accessing this method outside of * {@link resolve()} * @throws NoSuchOptionException If the option is not set * @throws InvalidOptionsException If the option doesn't fulfill the * specified validation rules * @throws OptionDefinitionException If there is a cyclic dependency between * lazy options and/or normalizers */ public function offsetGet($option, bool $triggerDeprecation = true) { if (!$this->locked) { throw new AccessException('Array access is only supported within closures of lazy options and normalizers.'); } // Shortcut for resolved options if (isset($this->resolved[$option]) || \array_key_exists($option, $this->resolved)) { if ($triggerDeprecation && isset($this->deprecated[$option]) && (isset($this->given[$option]) || $this->calling) && \is_string($this->deprecated[$option]['message'])) { trigger_deprecation($this->deprecated[$option]['package'], $this->deprecated[$option]['version'], strtr($this->deprecated[$option]['message'], ['%name%' => $option])); } return $this->resolved[$option]; } // Check whether the option is set at all if (!isset($this->defaults[$option]) && !\array_key_exists($option, $this->defaults)) { if (!isset($this->defined[$option])) { throw new NoSuchOptionException(sprintf('The option "%s" does not exist. Defined options are: "%s".', $this->formatOptions([$option]), implode('", "', array_keys($this->defined)))); } throw new NoSuchOptionException(sprintf('The optional option "%s" has no value set. You should make sure it is set with "isset" before reading it.', $this->formatOptions([$option]))); } $value = $this->defaults[$option]; // Resolve the option if it is a nested definition if (isset($this->nested[$option])) { // If the closure is already being called, we have a cyclic dependency if (isset($this->calling[$option])) { throw new OptionDefinitionException(sprintf('The options "%s" have a cyclic dependency.', $this->formatOptions(array_keys($this->calling)))); } if (!\is_array($value)) { throw new InvalidOptionsException(sprintf('The nested option "%s" with value %s is expected to be of type array, but is of type "%s".', $this->formatOptions([$option]), $this->formatValue($value), get_debug_type($value))); } // The following section must be protected from cyclic calls. $this->calling[$option] = true; try { $resolver = new self(); $resolver->prototype = false; $resolver->parentsOptions = $this->parentsOptions; $resolver->parentsOptions[] = $option; foreach ($this->nested[$option] as $closure) { $closure($resolver, $this); } if ($resolver->prototype) { $values = []; foreach ($value as $index => $prototypeValue) { if (!\is_array($prototypeValue)) { throw new InvalidOptionsException(sprintf('The value of the option "%s" is expected to be of type array of array, but is of type array of "%s".', $this->formatOptions([$option]), get_debug_type($prototypeValue))); } $resolver->prototypeIndex = $index; $values[$index] = $resolver->resolve($prototypeValue); } $value = $values; } else { $value = $resolver->resolve($value); } } finally { $resolver->prototypeIndex = null; unset($this->calling[$option]); } } // Resolve the option if the default value is lazily evaluated if (isset($this->lazy[$option])) { // If the closure is already being called, we have a cyclic // dependency if (isset($this->calling[$option])) { throw new OptionDefinitionException(sprintf('The options "%s" have a cyclic dependency.', $this->formatOptions(array_keys($this->calling)))); } // The following section must be protected from cyclic // calls. Set $calling for the current $option to detect a cyclic // dependency // BEGIN $this->calling[$option] = true; try { foreach ($this->lazy[$option] as $closure) { $value = $closure($this, $value); } } finally { unset($this->calling[$option]); } // END } // Validate the type of the resolved option if (isset($this->allowedTypes[$option])) { $valid = true; $invalidTypes = []; foreach ($this->allowedTypes[$option] as $type) { if ($valid = $this->verifyTypes($type, $value, $invalidTypes)) { break; } } if (!$valid) { $fmtActualValue = $this->formatValue($value); $fmtAllowedTypes = implode('" or "', $this->allowedTypes[$option]); $fmtProvidedTypes = implode('|', array_keys($invalidTypes)); $allowedContainsArrayType = \count(array_filter($this->allowedTypes[$option], static function ($item) { return str_ends_with($item, '[]'); })) > 0; if (\is_array($value) && $allowedContainsArrayType) { throw new InvalidOptionsException(sprintf('The option "%s" with value %s is expected to be of type "%s", but one of the elements is of type "%s".', $this->formatOptions([$option]), $fmtActualValue, $fmtAllowedTypes, $fmtProvidedTypes)); } throw new InvalidOptionsException(sprintf('The option "%s" with value %s is expected to be of type "%s", but is of type "%s".', $this->formatOptions([$option]), $fmtActualValue, $fmtAllowedTypes, $fmtProvidedTypes)); } } // Validate the value of the resolved option if (isset($this->allowedValues[$option])) { $success = false; $printableAllowedValues = []; foreach ($this->allowedValues[$option] as $allowedValue) { if ($allowedValue instanceof \Closure) { if ($allowedValue($value)) { $success = true; break; } // Don't include closures in the exception message continue; } if ($value === $allowedValue) { $success = true; break; } $printableAllowedValues[] = $allowedValue; } if (!$success) { $message = sprintf( 'The option "%s" with value %s is invalid.', $option, $this->formatValue($value) ); if (\count($printableAllowedValues) > 0) { $message .= sprintf( ' Accepted values are: %s.', $this->formatValues($printableAllowedValues) ); } if (isset($this->info[$option])) { $message .= sprintf(' Info: %s.', $this->info[$option]); } throw new InvalidOptionsException($message); } } // Check whether the option is deprecated // and it is provided by the user or is being called from a lazy evaluation if ($triggerDeprecation && isset($this->deprecated[$option]) && (isset($this->given[$option]) || ($this->calling && \is_string($this->deprecated[$option]['message'])))) { $deprecation = $this->deprecated[$option]; $message = $this->deprecated[$option]['message']; if ($message instanceof \Closure) { // If the closure is already being called, we have a cyclic dependency if (isset($this->calling[$option])) { throw new OptionDefinitionException(sprintf('The options "%s" have a cyclic dependency.', $this->formatOptions(array_keys($this->calling)))); } $this->calling[$option] = true; try { if (!\is_string($message = $message($this, $value))) { throw new InvalidOptionsException(sprintf('Invalid type for deprecation message, expected string but got "%s", return an empty string to ignore.', get_debug_type($message))); } } finally { unset($this->calling[$option]); } } if ('' !== $message) { trigger_deprecation($deprecation['package'], $deprecation['version'], strtr($message, ['%name%' => $option])); } } // Normalize the validated option if (isset($this->normalizers[$option])) { // If the closure is already being called, we have a cyclic // dependency if (isset($this->calling[$option])) { throw new OptionDefinitionException(sprintf('The options "%s" have a cyclic dependency.', $this->formatOptions(array_keys($this->calling)))); } // The following section must be protected from cyclic // calls. Set $calling for the current $option to detect a cyclic // dependency // BEGIN $this->calling[$option] = true; try { foreach ($this->normalizers[$option] as $normalizer) { $value = $normalizer($this, $value); } } finally { unset($this->calling[$option]); } // END } // Mark as resolved $this->resolved[$option] = $value; return $value; } private function verifyTypes(string $type, $value, array &$invalidTypes, int $level = 0): bool { if (\is_array($value) && '[]' === substr($type, -2)) { $type = substr($type, 0, -2); $valid = true; foreach ($value as $val) { if (!$this->verifyTypes($type, $val, $invalidTypes, $level + 1)) { $valid = false; } } return $valid; } if (('null' === $type && null === $value) || (isset(self::VALIDATION_FUNCTIONS[$type]) ? self::VALIDATION_FUNCTIONS[$type]($value) : $value instanceof $type)) { return true; } if (!$invalidTypes || $level > 0) { $invalidTypes[get_debug_type($value)] = true; } return false; } /** * Returns whether a resolved option with the given name exists. * * @param string $option The option name * * @return bool Whether the option is set * * @throws AccessException If accessing this method outside of {@link resolve()} * * @see \ArrayAccess::offsetExists() */ public function offsetExists($option) { if (!$this->locked) { throw new AccessException('Array access is only supported within closures of lazy options and normalizers.'); } return \array_key_exists($option, $this->defaults); } /** * Not supported. * * @return void * * @throws AccessException */ public function offsetSet($option, $value) { throw new AccessException('Setting options via array access is not supported. Use setDefault() instead.'); } /** * Not supported. * * @return void * * @throws AccessException */ public function offsetUnset($option) { throw new AccessException('Removing options via array access is not supported. Use remove() instead.'); } /** * Returns the number of set options. * * This may be only a subset of the defined options. * * @return int Number of options * * @throws AccessException If accessing this method outside of {@link resolve()} * * @see \Countable::count() */ public function count() { if (!$this->locked) { throw new AccessException('Counting is only supported within closures of lazy options and normalizers.'); } return \count($this->defaults); } /** * Returns a string representation of the value. * * This method returns the equivalent PHP tokens for most scalar types * (i.e. "false" for false, "1" for 1 etc.). Strings are always wrapped * in double quotes ("). * * @param mixed $value The value to format as string */ private function formatValue($value): string { if (\is_object($value)) { return \get_class($value); } if (\is_array($value)) { return 'array'; } if (\is_string($value)) { return '"'.$value.'"'; } if (\is_resource($value)) { return 'resource'; } if (null === $value) { return 'null'; } if (false === $value) { return 'false'; } if (true === $value) { return 'true'; } return (string) $value; } /** * Returns a string representation of a list of values. * * Each of the values is converted to a string using * {@link formatValue()}. The values are then concatenated with commas. * * @see formatValue() */ private function formatValues(array $values): string { foreach ($values as $key => $value) { $values[$key] = $this->formatValue($value); } return implode(', ', $values); } private function formatOptions(array $options): string { if ($this->parentsOptions) { $prefix = array_shift($this->parentsOptions); if ($this->parentsOptions) { $prefix .= sprintf('[%s]', implode('][', $this->parentsOptions)); } if ($this->prototype && null !== $this->prototypeIndex) { $prefix .= sprintf('[%s]', $this->prototypeIndex); } $options = array_map(static function (string $option) use ($prefix): string { return sprintf('%s[%s]', $prefix, $option); }, $options); } return implode('", "', $options); } private function getParameterClassName(\ReflectionParameter $parameter): ?string { if (!($type = $parameter->getType()) instanceof \ReflectionNamedType || $type->isBuiltin()) { return null; } return $type->getName(); } }