/**
* Builds final pdf
*
* @return mPDF
* @throws \Exception
*/
private function build()
{
if (empty($this->documentTitle)) {
throw new \Exception("Var 'documentTitle' cannot be empty.");
}
if ($this->ignoreStylesInHTMLDocument) {
if (!class_exists('Symfony\\Component\\DomCrawler\\Crawler')) {
throw new MissingServiceException("Class 'Symfony\\Component\\DomCrawler\\Crawler' not found. Try composer-require 'symfony/dom-crawler'.");
}
if (!class_exists('Symfony\\Component\\CssSelector\\CssSelector')) {
throw new MissingServiceException("Class 'Symfony\\Component\\CssSelector\\CssSelector' not found. Try composer-require 'symfony/css-selector'.");
}
}
if ($this->generatedFile) {
// singleton
return $this->generatedFile;
}
if ($this->source instanceof ITemplate || $this->source instanceof Template) {
$html = $this->source->__toString();
} else {
$html = $this->source;
}
// Fix: $html can't be empty (mPDF generates Fatal error)
if (empty($html)) {
$html = '<html><body></body></html>';
}
$mpdf = $this->getMPDF();
$mpdf->biDirectional = $this->multiLanguage;
$mpdf->SetAuthor($this->documentAuthor);
$mpdf->SetTitle($this->documentTitle);
$mpdf->SetDisplayMode($this->displayZoom, $this->displayLayout);
$mpdf->showImageErrors = true;
// Add styles
if (!empty($this->styles)) {
$mpdf->WriteHTML($this->styles, 1);
}
// copied from mPDF -> removes comments
$html = preg_replace('/<!--mpdf/i', '', $html);
$html = preg_replace('/mpdf-->/i', '', $html);
$html = preg_replace('/<\\!\\-\\-.*?\\-\\->/s', '', $html);
// @see: http://mpdf1.com/manual/index.php?tid=121&searchstring=writeHTML
if ($this->ignoreStylesInHTMLDocument) {
// deletes all <style> tags
$crawler = new Crawler($html);
foreach ($crawler->filter('style') as $child) {
$child->parentNode->removeChild($child);
}
$html = $crawler->html();
$mode = 2;
// If <body> tags are found, all html outside these tags are discarded, and the rest is parsed as content for the document. If no <body> tags are found, all html is parsed as content. Prior to mPDF 4.2 the default CSS was not parsed when using mode #2
} else {
$mode = 0;
// Parse all: HTML + CSS
}
// Add content
$mpdf->WriteHTML($html, $mode);
$mpdf->page = count($mpdf->pages);
//set pointer to last page to force render of all pages
$this->onBeforeComplete($mpdf);
$this->generatedFile = $mpdf;
return $this->generatedFile;
}
