shop.balmet.com

Call.php (10091B)

---

 <?php
 
 /*
  * This file is part of Twig.
  *
  * (c) 2012 Fabien Potencier
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
 abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
 {
     protected function compileCallable(Twig_Compiler $compiler)
     {
         $closingParenthesis = false;
         if ($this->hasAttribute('callable') && $callable = $this->getAttribute('callable')) {
             if (is_string($callable)) {
                 $compiler->raw($callable);
             } elseif (is_array($callable) && $callable[0] instanceof Twig_ExtensionInterface) {
                 $compiler->raw(sprintf('$this->env->getExtension(\'%s\')->%s', $callable[0]->getName(), $callable[1]));
             } else {
                 $type = ucfirst($this->getAttribute('type'));
                 $compiler->raw(sprintf('call_user_func_array($this->env->get%s(\'%s\')->getCallable(), array', $type, $this->getAttribute('name')));
                 $closingParenthesis = true;
             }
         } else {
             $compiler->raw($this->getAttribute('thing')->compile());
         }
 
         $this->compileArguments($compiler);
 
         if ($closingParenthesis) {
             $compiler->raw(')');
         }
     }
 
     protected function compileArguments(Twig_Compiler $compiler)
     {
         $compiler->raw('(');
 
         $first = true;
 
         if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
             $compiler->raw('$this->env');
             $first = false;
         }
 
         if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
             if (!$first) {
                 $compiler->raw(', ');
             }
             $compiler->raw('$context');
             $first = false;
         }
 
         if ($this->hasAttribute('arguments')) {
             foreach ($this->getAttribute('arguments') as $argument) {
                 if (!$first) {
                     $compiler->raw(', ');
                 }
                 $compiler->string($argument);
                 $first = false;
             }
         }
 
         if ($this->hasNode('node')) {
             if (!$first) {
                 $compiler->raw(', ');
             }
             $compiler->subcompile($this->getNode('node'));
             $first = false;
         }
 
         if ($this->hasNode('arguments') && null !== $this->getNode('arguments')) {
             $callable = $this->hasAttribute('callable') ? $this->getAttribute('callable') : null;
 
             $arguments = $this->getArguments($callable, $this->getNode('arguments'));
 
             foreach ($arguments as $node) {
                 if (!$first) {
                     $compiler->raw(', ');
                 }
                 $compiler->subcompile($node);
                 $first = false;
             }
         }
 
         $compiler->raw(')');
     }
 
     protected function getArguments($callable, $arguments)
     {
         $callType = $this->getAttribute('type');
         $callName = $this->getAttribute('name');
 
         $parameters = array();
         $named = false;
         foreach ($arguments as $name => $node) {
             if (!is_int($name)) {
                 $named = true;
                 $name = $this->normalizeName($name);
             } elseif ($named) {
                 throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $callType, $callName));
             }
 
             $parameters[$name] = $node;
         }
 
         $isVariadic = $this->hasAttribute('is_variadic') && $this->getAttribute('is_variadic');
         if (!$named && !$isVariadic) {
             return $parameters;
         }
 
         if (!$callable) {
             if ($named) {
                 $message = sprintf('Named arguments are not supported for %s "%s".', $callType, $callName);
             } else {
                 $message = sprintf('Arbitrary positional arguments are not supported for %s "%s".', $callType, $callName);
             }
 
             throw new LogicException($message);
         }
 
         // manage named arguments
         $callableParameters = $this->getCallableParameters($callable, $isVariadic);
         $arguments = array();
         $names = array();
         $missingArguments = array();
         $optionalArguments = array();
         $pos = 0;
         foreach ($callableParameters as $callableParameter) {
             $names[] = $name = $this->normalizeName($callableParameter->name);
 
             if (array_key_exists($name, $parameters)) {
                 if (array_key_exists($pos, $parameters)) {
                     throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $callType, $callName));
                 }
 
                 if (!empty($missingArguments)) {
                     throw new Twig_Error_Syntax(sprintf(
                         'Argument "%s" could not be assigned for %s "%s(%s)" because it is mapped to an internal PHP function which cannot determine default value for optional argument%s "%s".',
                         $name, $callType, $callName, implode(', ', $names), count($missingArguments) > 1 ? 's' : '', implode('", "', $missingArguments))
                     );
                 }
 
                 $arguments = array_merge($arguments, $optionalArguments);
                 $arguments[] = $parameters[$name];
                 unset($parameters[$name]);
                 $optionalArguments = array();
             } elseif (array_key_exists($pos, $parameters)) {
                 $arguments = array_merge($arguments, $optionalArguments);
                 $arguments[] = $parameters[$pos];
                 unset($parameters[$pos]);
                 $optionalArguments = array();
                 ++$pos;
             } elseif ($callableParameter->isDefaultValueAvailable()) {
                 $optionalArguments[] = new Twig_Node_Expression_Constant($callableParameter->getDefaultValue(), -1);
             } elseif ($callableParameter->isOptional()) {
                 if (empty($parameters)) {
                     break;
                 } else {
                     $missingArguments[] = $name;
                 }
             } else {
                 throw new Twig_Error_Syntax(sprintf('Value for argument "%s" is required for %s "%s".', $name, $callType, $callName));
             }
         }
 
         if ($isVariadic) {
             $arbitraryArguments = new Twig_Node_Expression_Array(array(), -1);
             foreach ($parameters as $key => $value) {
                 if (is_int($key)) {
                     $arbitraryArguments->addElement($value);
                 } else {
                     $arbitraryArguments->addElement($value, new Twig_Node_Expression_Constant($key, -1));
                 }
                 unset($parameters[$key]);
             }
 
             if ($arbitraryArguments->count()) {
                 $arguments = array_merge($arguments, $optionalArguments);
                 $arguments[] = $arbitraryArguments;
             }
         }
 
         if (!empty($parameters)) {
             $unknownParameter = null;
             foreach ($parameters as $parameter) {
                 if ($parameter instanceof Twig_Node) {
                     $unknownParameter = $parameter;
                     break;
                 }
             }
 
             throw new Twig_Error_Syntax(sprintf(
                 'Unknown argument%s "%s" for %s "%s(%s)".',
                 count($parameters) > 1 ? 's' : '', implode('", "', array_keys($parameters)), $callType, $callName, implode(', ', $names)
             ), $unknownParameter ? $unknownParameter->getLine() : -1);
         }
 
         return $arguments;
     }
 
     protected function normalizeName($name)
     {
         return strtolower(preg_replace(array('/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'), array('\\1_\\2', '\\1_\\2'), $name));
     }
 
     private function getCallableParameters($callable, $isVariadic)
     {
         if (is_array($callable)) {
             $r = new ReflectionMethod($callable[0], $callable[1]);
         } elseif (is_object($callable) && !$callable instanceof Closure) {
             $r = new ReflectionObject($callable);
             $r = $r->getMethod('__invoke');
         } elseif (is_string($callable) && false !== strpos($callable, '::')) {
             $r = new ReflectionMethod($callable);
         } else {
             $r = new ReflectionFunction($callable);
         }
 
         $parameters = $r->getParameters();
         if ($this->hasNode('node')) {
             array_shift($parameters);
         }
         if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
             array_shift($parameters);
         }
         if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
             array_shift($parameters);
         }
         if ($this->hasAttribute('arguments') && null !== $this->getAttribute('arguments')) {
             foreach ($this->getAttribute('arguments') as $argument) {
                 array_shift($parameters);
             }
         }
         if ($isVariadic) {
             $argument = end($parameters);
             if ($argument && $argument->isArray() && $argument->isDefaultValueAvailable() && array() === $argument->getDefaultValue()) {
                 array_pop($parameters);
             } else {
                 $callableName = $r->name;
                 if ($r->getDeclaringClass()) {
                     $callableName = $r->getDeclaringClass()->name.'::'.$callableName;
                 }
 
                 throw new LogicException(sprintf('The last parameter of "%s" for %s "%s" must be an array with default value, eg. "array $arg = array()".', $callableName, $this->getAttribute('type'), $this->getAttribute('name')));
             }
         }
 
         return $parameters;
     }
 }