private function dumpValue($value, $interpolate = true)
{
if (is_array($value)) {
$code = array();
foreach ($value as $k => $v) {
$code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
}
return sprintf('array(%s)', implode(', ', $code));
} elseif ($value instanceof Definition) {
if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
return $this->dumpValue($this->definitionVariables->offsetGet($value), $interpolate);
}
if (count($value->getMethodCalls()) > 0) {
throw new RuntimeException('Cannot dump definitions which have method calls.');
}
if (null !== $value->getConfigurator()) {
throw new RuntimeException('Cannot dump definitions which have a configurator.');
}
$arguments = array();
foreach ($value->getArguments() as $argument) {
$arguments[] = $this->dumpValue($argument);
}
if (null !== $value->getFactory()) {
$factory = $value->getFactory();
if (is_string($factory)) {
return sprintf('%s(%s)', $this->dumpLiteralClass($this->dumpValue($factory)), implode(', ', $arguments));
}
if (is_array($factory)) {
if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $factory[1])) {
throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $factory[1] ?: 'n/a'));
}
if (is_string($factory[0])) {
return sprintf('%s::%s(%s)', $this->dumpLiteralClass($this->dumpValue($factory[0])), $factory[1], implode(', ', $arguments));
}
if ($factory[0] instanceof Definition) {
return sprintf("call_user_func(array(%s, '%s')%s)", $this->dumpValue($factory[0]), $factory[1], count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
}
if ($factory[0] instanceof Reference) {
return sprintf('%s->%s(%s)', $this->dumpValue($factory[0]), $factory[1], implode(', ', $arguments));
}
}
throw new RuntimeException('Cannot dump definition because of invalid factory');
}
$class = $value->getClass();
if (null === $class) {
throw new RuntimeException('Cannot dump definitions which have no class nor factory.');
}
return sprintf('new %s(%s)', $this->dumpLiteralClass($this->dumpValue($class)), implode(', ', $arguments));
} elseif ($value instanceof Variable) {
return '$'.$value;
} elseif ($value instanceof Reference) {
if (null !== $this->referenceVariables && isset($this->referenceVariables[$id = (string) $value])) {
return $this->dumpValue($this->referenceVariables[$id], $interpolate);
}
return $this->getServiceCall((string) $value, $value);
} elseif ($value instanceof Expression) {
return $this->getExpressionLanguage()->compile((string) $value, array('this' => 'container'));
} elseif ($value instanceof Parameter) {
return $this->dumpParameter($value);
} elseif (true === $interpolate && is_string($value)) {
if (preg_match('/^%([^%]+)%$/', $value, $match)) {
// we do this to deal with non string values (Boolean, integer, ...)
// the preg_replace_callback converts them to strings
return $this->dumpParameter(strtolower($match[1]));
} else {
$replaceParameters = function ($match) {
return "'.".$this->dumpParameter(strtolower($match[2])).".'";
};
$code = str_replace('%%', '%', preg_replace_callback('/(?<!%)(%)([^%]+)\1/', $replaceParameters, $this->export($value)));
return $code;
}
} elseif (is_object($value) || is_resource($value)) {
throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
} else {
return $this->export($value);
}
}