/**
* Parse tag token.
*
* @return TagNode
*/
protected function parseTag()
{
$name = $this->lexer->getAdvancedToken()->value;
$node = new TagNode($name, $this->lexer->getCurrentLine());
// Parse id, class, attributes token
while (true) {
switch ($this->lexer->predictToken()->type) {
case 'id':
case 'class':
$token = $this->lexer->getAdvancedToken();
$node->setAttribute($token->type, $token->value);
continue;
case 'attributes':
foreach ($this->lexer->getAdvancedToken()->attributes as $name => $value) {
$node->setAttribute($name, $value);
}
continue;
default:
break 2;
}
}
// Parse text/code token
switch ($this->lexer->predictToken()->type) {
case 'text':
$node->setText($this->parseText(true));
break;
case 'code':
$node->setCode($this->parseCode());
break;
}
// Skip newlines
while ($this->lexer->predictToken()->type === 'newline') {
$this->lexer->getAdvancedToken();
}
// Tag text on newline
if ($this->lexer->predictToken()->type === 'text') {
if ($text = $node->getText()) {
$text->addLine('');
} else {
$node->setText(new TextNode('', $this->lexer->getCurrentLine()));
}
}
// Parse block indentation
if ($this->lexer->predictToken()->type === 'indent') {
$node->addChild($this->parseBlock());
}
return $node;
}
/**
* Dump tag node.
*
* @param TagNode $node tag node
* @param integer $level indentation level
*
* @return string
*/
protected function dumpTag(TagNode $node, $level = 0)
{
$html = str_repeat(' ', $level);
if (in_array($node->getName(), $this->selfClosing)) {
$html .= '<' . $node->getName();
$html .= $this->dumpAttributes($node->getAttributes());
$html .= ' />';
return $html;
} else {
if (count($node->getAttributes())) {
$html .= '<' . $node->getName();
$html .= $this->dumpAttributes($node->getAttributes());
$html .= '>';
} else {
$html .= '<' . $node->getName() . '>';
}
if ($node->getCode()) {
if (count($node->getChildren())) {
$html .= "\n" . str_repeat(' ', $level + 1) . $this->dumpCode($node->getCode());
} else {
$html .= $this->dumpCode($node->getCode());
}
}
if ($node->getText() && count($node->getText()->getLines())) {
if (count($node->getChildren())) {
$html .= "\n" . str_repeat(' ', $level + 1) . $this->dumpText($node->getText());
} else {
$html .= $this->dumpText($node->getText());
}
}
if (count($node->getChildren())) {
$html .= "\n";
$children = $node->getChildren();
foreach ($children as $i => $child) {
$this->nextIsIf[$level + 1] = isset($children[$i + 1]) && $children[$i + 1] instanceof CodeNode;
$html .= $this->dumpNode($child, $level + 1);
}
$html .= "\n" . str_repeat(' ', $level);
}
return $html . '</' . $node->getName() . '>';
}
}