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<?php |
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namespace EZAMA{ |
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class namedArgs extends namedArgsHelper |
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{ |
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protected $parameters=array(); |
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public function __construct($mandatory) |
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{ |
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if (!\is_array($mandatory)) { |
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throw new \InvalidArgumentException(\sprintf('parameter type must be array, %s given', \gettype($mandatory))); |
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} |
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$this->parameters=$mandatory; |
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} |
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protected static function &ProcessParams(&$argument, $required, $default) |
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{ |
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$missing=array(); |
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if (!\is_array($argument)) { |
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return \false; |
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} |
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$argument=array_intersect_key($argument, $default);//keep only predefined names |
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//check for missing required parameters |
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foreach ($required as $k=>$v) { |
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if (!array_key_exists($v, $argument)) { |
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$missing[]=$v; |
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} |
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} |
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if (!empty($missing)) { |
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$function=\debug_backtrace(); |
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$function=\end($function); |
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$function=$function['function']; |
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$cm=\count($missing); |
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$error=\call_user_func_array('sprintf', array('Function %s\'s Required '.($cm>1?'parameters %s are':'parameter %s is').' missing',$function,NamedArgs::format($missing))); |
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self::throwError($error); |
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} |
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self::merge($default, $argument);//assign given values to parameters while keeping references |
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return $default; |
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} |
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public function &getParams($required, $default) |
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{ |
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if (self::is_valid_associative($this->parameters)) { |
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return self::ProcessParams($this->parameters, $required, $default); |
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} else { |
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$cp=\count($this->parameters); |
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if ($cp>=\count($required)) { |
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foreach (array_keys($default) as $k=>$v) { |
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if ($k===$cp) { |
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break; |
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} |
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$default[$v]=&$this->parameters[$k]; |
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} |
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return self::ProcessParams($default, $required, $default); |
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} else { |
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$function=\debug_backtrace(); |
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$function=\end($function); |
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$function=$function['function']; |
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self::throwError(\sprintf('Function %s : Two few parameters supplied', $function)); |
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} |
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} |
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} |
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public static function __callStatic($name, $mandatory) |
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{ |
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if (empty($mandatory)) { |
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$mandatory[0]=[]; |
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} |
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if ($mandatory[0] instanceof NamedArgs) { |
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return self::func($name, $mandatory[0]); |
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} elseif (\is_array($mandatory[0])) { |
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return self::func($name, new self($mandatory[0])); |
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} |
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return \false; |
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} |
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protected static function func($func, NamedArgs $mandatory) |
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{ |
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$args=&$mandatory->parameters; |
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return self::processParamsAndArgs($func, $args); |
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} |
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protected static function getValues(&$func, &$params, $paramsArgs, &$args, $associative) |
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{ |
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foreach ((array)$params as $k=> $param) { |
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$key=$associative?$param->name:$k; |
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if (array_key_exists($key, $args)) { |
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$paramsArgs[]=&$args[$key]; |
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} else { |
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self::elseifGetValues($func, $param, $paramsArgs); |
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} |
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} |
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return $paramsArgs; |
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} |
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protected static function handleOptional($notOptional, $func, $param) |
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{ |
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if ($notOptional) { |
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self::throwError(\sprintf('Function %s\'s required parameter %s is missing', $func, $param)); |
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} |
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} |
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protected static function getParamDefaultValue(\reflectionParameter $param) |
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{ |
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return $param->getDefaultValueConstantName()?\constant($param->getDefaultValueConstantName()):$param->getDefaultValue(); |
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} |
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protected static function canGetParamDefaultValue(\reflectionFunction $func, \reflectionParameter $param) |
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{ |
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return !$func->isInternal()&&($param->isDefaultValueAvailable()||$param->isDefaultValueConstant()); |
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} |
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protected static function elseifGetValues(\reflectionFunction $func, \reflectionParameter $param, &$paramsArgs) |
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{ |
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if (self::canGetParamDefaultValue($func, $param)) { |
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$paramsArgs[] = self::getParamDefaultValue($param); |
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} elseif ($param->allowsNull()) { |
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$paramsArgs[]=null; |
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} else { |
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self::handleOptional(!$param->isOptional(), (string)$func->name, (string)$param->name); |
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} |
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} |
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protected static function processParamsAndArgs($func, $args) |
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{ |
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self::getReflection($func); |
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$paramsArgs = array(); |
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$params =$func->getParameters(); |
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return $func->invokeArgs(self::getValues($func, $params, $paramsArgs, $args, self::is_valid_associative($args))); |
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} |
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} |
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} |
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manuwhat /
named-args
