/**
* Visit an element.
*
* @param \Hoa\Visitor\Element $element Element to visit.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (not reference).
* @return mixed
*/
public function visit(Visitor\Element $element, &$handle = null, $eldnah = null)
{
$out = null;
$_ = str_repeat(' ', $this->_indentation);
if ($element instanceof Ruler\Model) {
$this->_indentation = 1;
$out = '$model = new \\Hoa\\Ruler\\Model();' . "\n" . '$model->expression =' . "\n" . $element->getExpression()->accept($this, $handle, $eldnah) . ';';
} elseif ($element instanceof Ruler\Model\Operator) {
$out = $_ . '$model->';
$name = $element->getName();
$_handle = [];
if (false === $element->isFunction()) {
if (true === Core\Consistency::isIdentifier($name)) {
$out .= $name;
} else {
$out .= '{\'' . $name . '\'}';
}
$out .= '(' . "\n";
} else {
$out .= 'func(' . "\n" . $_ . ' ';
$_handle[] = '\'' . $name . '\'';
}
++$this->_indentation;
foreach ($element->getArguments() as $argument) {
$_handle[] = $argument->accept($this, $handle, $eldnah);
}
--$this->_indentation;
$out .= implode(',' . "\n", $_handle) . "\n" . $_ . ')';
} elseif ($element instanceof Ruler\Model\Bag\Scalar) {
$value = $element->getValue();
$out = $_;
if (true === $value) {
$out .= 'true';
} elseif (false === $value) {
$out .= 'false';
} elseif (null === $value) {
$out .= 'null';
} elseif (is_numeric($value)) {
$out .= (string) $value;
} else {
$out .= '\'' . str_replace('\\', '\\\'', $value) . '\'';
}
} elseif ($element instanceof Ruler\Model\Bag\RulerArray) {
$values = [];
++$this->_indentation;
foreach ($element->getArray() as $value) {
$values[] = $value->accept($this, $handle, $eldnah);
}
--$this->_indentation;
$out = $_ . '[' . "\n" . implode(',' . "\n", $values) . "\n" . $_ . ']';
} elseif ($element instanceof Ruler\Model\Bag\Context) {
$out = $_ . '$model->variable(\'' . $element->getId() . '\')';
$this->_indentation += 2;
foreach ($element->getDimensions() as $dimension) {
$value = $dimension[Ruler\Model\Bag\Context::ACCESS_VALUE];
$out .= "\n" . $_ . ' ->';
switch ($dimension[Ruler\Model\Bag\Context::ACCESS_TYPE]) {
case Ruler\Model\Bag\Context::ARRAY_ACCESS:
$out .= 'index(' . "\n" . $value->accept($this, $handle, $eldnah) . "\n" . $_ . ' )';
break;
case Ruler\Model\Bag\Context::ATTRIBUTE_ACCESS:
$out .= 'attribute(\'' . $value . '\')';
break;
case Ruler\Model\Bag\Context::METHOD_ACCESS:
$out .= 'call(' . "\n" . $value->accept($this, $handle, $eldnah) . "\n" . $_ . ' )';
break;
}
}
$this->_indentation -= 2;
}
return $out;
}
/**
* Visit an element.
*
* @param \Hoa\Visitor\Element $element Element to visit.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (not reference).
* @return mixed
*/
public function visit(Visitor\Element $element, &$handle = null, $eldnah = null)
{
$out = null;
if ($element instanceof Ruler\Model) {
$out .= $element->getExpression()->accept($this, $handle, $eldnah);
} elseif ($element instanceof Ruler\Model\Operator) {
$name = $element->getName();
$arguments = [];
foreach ($element->getArguments() as $argument) {
$arguments[] = $argument->accept($this, $handle, $eldnah);
}
if (true === $element->isFunction()) {
$out .= $name . '(' . implode(', ', $arguments) . ')';
} else {
if (!isset($arguments[1])) {
$_out = $name . ' ' . $arguments[0];
} else {
$_out = $arguments[0] . ' ' . $name . ' ' . $arguments[1];
}
if (false === Ruler\Model\Operator::isToken($name)) {
$_out = '(' . $_out . ')';
}
$out .= $_out;
}
} elseif ($element instanceof Ruler\Model\Bag\Scalar) {
$value = $element->getValue();
if (true === $value) {
$out .= 'true';
} elseif (false === $value) {
$out .= 'false';
} elseif (null === $value) {
$out .= 'null';
} elseif (is_numeric($value)) {
$out .= (string) $value;
} else {
$out .= '\'' . str_replace('\\', '\\\'', $value) . '\'';
}
} elseif ($element instanceof Ruler\Model\Bag\RulerArray) {
$values = [];
foreach ($element->getArray() as $value) {
$values[] = $value->accept($this, $handle, $eldnah);
}
$out .= '[' . implode(', ', $values) . ']';
} elseif ($element instanceof Ruler\Model\Bag\Context) {
$out .= $element->getId();
foreach ($element->getDimensions() as $dimension) {
$value = $dimension[Ruler\Model\Bag\Context::ACCESS_VALUE];
switch ($dimension[Ruler\Model\Bag\Context::ACCESS_TYPE]) {
case Ruler\Model\Bag\Context::ARRAY_ACCESS:
$out .= '[' . $value->accept($this, $handle, $eldnah) . ']';
break;
case Ruler\Model\Bag\Context::ATTRIBUTE_ACCESS:
$out .= '.' . $value;
break;
case Ruler\Model\Bag\Context::METHOD_ACCESS:
$out .= '.' . $value->accept($this, $handle, $eldnah);
break;
}
}
}
return $out;
}