private function render(\DOMDocument $doc, Element $element, $parent = null)
{
if ($element instanceof \tarcisio\svg\SVG) {
$svgs = $doc->getElementsByTagName('svg');
$svg = $svgs->item(0);
$svg->setAttribute('width', $element->width);
$svg->setAttribute('height', $element->height);
$svg->setAttribute('viewBox', "0 0 {$element->width} {$element->height}");
$gs = $doc->getElementsByTagName('g');
$g = $gs->item(0);
foreach ($element->getChildren() as $ch) {
$this->render($doc, $ch, $g);
}
return $doc;
}
if (!is_null($element->getTitle())) {
$element->appendChild(new Title('', $element->getTitle()));
}
$e = $doc->createElement($element->getElementName());
$parent->appendChild($e);
foreach ($element->getAttributes() as $k => $v) {
if (!is_null($v)) {
$e->setAttribute($k, $v);
}
}
if (!is_null($element->getValue())) {
$e->nodeValue = $element->getValue();
}
foreach ($element->getChildren() as $ch) {
$this->render($doc, $ch, $e);
}
return $doc;
}
/** Tests for {@link Element::append}. */
public function testAppendMultipleNodes()
{
$e = new Element('html');
$e->append(new Element('head'), new Element('body'));
$this->assertSame(2, count($e->getChildren()), 'Appended elements missing from children.');
$e = new Element('div');
$e->append('Some', 'text');
$this->assertSame(2, count($e->getChildren()), 'Appended texts missing from children.');
$this->assertTrue($e->getChildren()[0] instanceof TextNode, 'First text not appended as TextNode child.');
$this->assertTrue($e->getChildren()[1] instanceof TextNode, 'Second text not appended as TextNode child.');
$e = new Element('li');
$e->append('Visit', new Element('a'), 'now');
$this->assertSame(3, count($e->getChildren()), 'Appended mixed nodes missing from children.');
$this->assertTrue($e->getChildren()[0] instanceof TextNode, 'First text not appended as TextNode child.');
$this->assertTrue($e->getChildren()[1] instanceof Element, 'Second appended node has incorrect type.');
$this->assertTrue($e->getChildren()[2] instanceof TextNode, 'Third text not appended as TextNode child.');
}
/** Returns a HTML representation of an element and its child nodes.
* @param Element $element the element to generate as HTML.
* @return string the HTML. */
public function createHtml($element)
{
$data = array_reduce($element->getChildren(), function ($carry, $child) {
return $carry . $child->toHtml();
}, '');
$allAttributes = [];
foreach ($element->getAttributes() as $name => $value) {
$allAttributes[] = sprintf(static::ATTRIBUTE_TEMPLATE, htmlspecialchars($name, ENT_COMPAT), htmlspecialchars($value, ENT_COMPAT));
}
if (0 === count($allAttributes)) {
$attributes = '';
} else {
$attributes = ' ' . implode(' ', $allAttributes);
}
if (in_array($element->getName(), static::VOID_ELEMENTS)) {
$html = sprintf(static::VOID_ELEMENT_TEMPLATE, $element->getName(), $attributes);
} else {
$html = sprintf(static::ELEMENT_TEMPLATE, $element->getName(), $attributes, $data);
}
return $html;
}
protected function writeElement(Element $element, $level)
{
$children = $element->getChildren();
$childCount = count($children);
$hasChildren = $childCount > 0;
$newLine = $this->_pretty ? $this->_newLine : '';
$indent = $this->_pretty ? str_repeat($this->_tabString, $level) : '';
$str = $indent;
$str .= $this->writeOpenTag($element->getTag(), $element->getAttributes(), $hasChildren);
$writeCloseIndent = false;
if ($hasChildren) {
if ($childCount === 1 && $children[0] instanceof Text && mb_strlen($children[0]->getText(), 'utf-8') < $this->_textWrap) {
$str .= $children[0]->getText();
} else {
$str .= $newLine;
for ($i = 0; $i < $childCount; $i++) {
$child = $children[$i];
$str .= $this->writeLeaf($child, $level + 1);
$str .= $newLine;
}
$writeCloseIndent = true;
}
}
if ($hasChildren || !empty($this->_selfClosingTags) && !in_array($element->getTag(), $this->_selfClosingTags)) {
if ($hasChildren && $writeCloseIndent) {
$str .= $indent;
}
$str .= $this->writeCloseTag($element->getTag());
}
return $str;
}
