public function visit(Element $element, &$handle = null, $eldnah = null)
{
if (null !== ($value = $element->getValue())) {
return $this->visitToken($value['token'], $value['value']);
}
return $this->visitNode($element);
}
/**
* Visit an element.
*
* @param \Hoa\Visitor\Element $element Element to visit.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (not reference).
* @return string
*/
public function visit(Visitor\Element $element, &$handle = null, $eldnah = null)
{
$pre = null;
$in = '> ' . str_repeat(' ', $this->_i) . $element->getValue() . "\n";
$post = null;
$childs = $element->getChilds();
$i = 0;
$max = floor(count($childs) / 2);
++$this->_i;
foreach ($childs as $id => $child) {
if ($i++ < $max) {
$pre .= $child->accept($this, $handle, $eldnah);
} else {
$post .= $child->accept($this, $handle, $eldnah);
}
}
--$this->_i;
switch ($this->getOrder()) {
case parent::IN_ORDER:
return $in . $pre . $post;
case parent::POST_ORDER:
return $post . $in . $pre;
default:
return $pre . $in . $post;
}
}
/**
* Visit an element.
*
* @param \Hoa\Visitor\Element $element Element to visit.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (not reference).
* @return string
*/
public function visit(Visitor\Element $element, &$handle = null, $eldnah = null)
{
$ou = null;
$t = null;
if ($this->_i == 0) {
$ou = 'digraph {' . "\n";
$t = '}' . "\n";
}
$foo = $element->getValue();
$bar = null;
++$this->_i;
if (null == $eldnah) {
$eldnah = $foo;
$ou .= ' "' . md5($foo) . '" [label = "' . $foo . '"];' . "\n";
}
foreach ($element->getChilds() as $child) {
$left = md5($eldnah);
$right = md5($eldnah . '.' . $child->getValue());
$ou .= ' "' . $left . '" -> "' . $right . '";' . "\n" . ' "' . $right . '" [label = "' . str_replace('\\', '\\\\', $child->getValue()) . '"];' . "\n";
$bar .= $child->accept($this, $handle, $eldnah . '.' . $child->getValue());
}
$ou .= $bar;
--$this->_i;
return $ou . $t;
}
/**
* 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, $eldnah = null)
{
++self::$_i;
$out = str_repeat('> ', self::$_i) . $element->getId();
if (null !== ($value = $element->getValue())) {
$out .= '(' . ('default' !== $value['namespace'] ? $value['namespace'] . ':' : '') . $value['token'] . ', ' . $value['value'] . ')';
}
$data = $element->getData();
if (!empty($data)) {
$out .= ' ' . $this->dumpData($data);
}
$out .= "\n";
foreach ($element->getChildren() as $child) {
$out .= $child->accept($this, $handle, $eldnah);
}
--self::$_i;
return $out;
}
/**
* Visit an element.
*
* @access public
* @param \Hoa\Visitor\Element $element Element to visit.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (not reference).
* @return mixed
*/
public function visit(\Hoa\Visitor\Element $element, &$handle = null, $eldnah = null)
{
$graphic = null;
$id = str_replace('#', '', $element->getId());
#$graphicCreator = \Hoathis\GraphicTools\SvgCreator::getInstance();
switch ($id) {
case 'expression':
$graphic = $this->graphicCreator->createExpression();
break;
case 'quantification':
$graphic = $this->graphicCreator->createQuantification();
break;
case 'alternation':
$graphic = $this->graphicCreator->createAlternation();
break;
case 'concatenation':
$graphic = $this->graphicCreator->createConcatenation();
break;
case 'class':
$graphic = $this->graphicCreator->createClass();
break;
case 'negativeclass':
$graphic = $this->graphicCreator->createNegativeClass();
break;
case 'range':
$graphic = $this->graphicCreator->createRange();
break;
case 'token':
$value = $element->getValue();
$graphic = $this->graphicCreator->createToken($value['token'], $value['value']);
break;
case 'lookahead':
$graphic = $this->graphicCreator->createLookahead();
break;
case 'negativelookahead':
$graphic = $this->graphicCreator->createNegativeLookahead();
break;
case 'lookbehind':
$graphic = $this->graphicCreator->createLookbehind();
break;
case 'negativelookbehind':
$graphic = $this->graphicCreator->createNegativeLookbehind();
break;
case 'absolutecondition':
// Still under construction
throw new \Exception(' \\Hoathis\\Regex\\Visitor\\Visualization exception : Unhandled element "#' . $id . '" ');
//$graphic = $this->graphicCreator->createAbsoluteCondition();
break;
default:
throw new \Exception(' \\Hoathis\\Regex\\Visitor\\Visualization exception : Unhandled element "#' . $id . '" ');
}
$graphic->setAttribute("class", $id);
foreach ($element->getChildren() as $child) {
$childGraphic = $child->accept($this, $handle, $eldnah);
$graphic->addChild($childGraphic);
}
if ($id == 'expression') {
return $graphic->build();
} else {
return $graphic;
}
}
/**
* 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;
}
