/**
* Builds the {@link Frame_Tree}, loads any CSS and applies the styles to
* the {@link Frame_Tree}
*/
protected function _process_html()
{
$this->save_locale();
$this->_tree->build_tree();
$this->_css->load_css_file(Stylesheet::DEFAULT_STYLESHEET, Stylesheet::ORIG_UA);
$acceptedmedia = Stylesheet::$ACCEPTED_GENERIC_MEDIA_TYPES;
if (defined("DOMPDF_DEFAULT_MEDIA_TYPE")) {
$acceptedmedia[] = DOMPDF_DEFAULT_MEDIA_TYPE;
} else {
$acceptedmedia[] = Stylesheet::$ACCEPTED_DEFAULT_MEDIA_TYPE;
}
// load <link rel="STYLESHEET" ... /> tags
$links = $this->_xml->getElementsByTagName("link");
foreach ($links as $link) {
if (mb_strtolower($link->getAttribute("rel")) === "stylesheet" || mb_strtolower($link->getAttribute("type")) === "text/css") {
//Check if the css file is for an accepted media type
//media not given then always valid
$formedialist = preg_split("/[\\s\n,]/", $link->getAttribute("media"), -1, PREG_SPLIT_NO_EMPTY);
if (count($formedialist) > 0) {
$accept = false;
foreach ($formedialist as $type) {
if (in_array(mb_strtolower(trim($type)), $acceptedmedia)) {
$accept = true;
break;
}
}
if (!$accept) {
//found at least one mediatype, but none of the accepted ones
//Skip this css file.
continue;
}
}
$url = $link->getAttribute("href");
$url = build_url($this->_protocol, $this->_base_host, $this->_base_path, $url);
$this->_css->load_css_file($url, Stylesheet::ORIG_AUTHOR);
}
}
// load <style> tags
$styles = $this->_xml->getElementsByTagName("style");
foreach ($styles as $style) {
// Accept all <style> tags by default (note this is contrary to W3C
// HTML 4.0 spec:
// http://www.w3.org/TR/REC-html40/present/styles.html#adef-media
// which states that the default media type is 'screen'
if ($style->hasAttributes() && ($media = $style->getAttribute("media")) && !in_array($media, $acceptedmedia)) {
continue;
}
$css = "";
if ($style->hasChildNodes()) {
$child = $style->firstChild;
while ($child) {
$css .= $child->nodeValue;
// Handle <style><!-- blah --></style>
$child = $child->nextSibling;
}
} else {
$css = $style->nodeValue;
}
// Set the base path of the Stylesheet to that of the file being processed
$this->_css->set_protocol($this->_protocol);
$this->_css->set_host($this->_base_host);
$this->_css->set_base_path($this->_base_path);
$this->_css->load_css($css);
}
$this->restore_locale();
}
/**
* Builds the {@link Frame_Tree}, loads any CSS and applies the styles to
* the {@link Frame_Tree}
*/
protected function _process_html()
{
$this->_tree->build_tree();
$this->_css->load_css_file(Stylesheet::DEFAULT_STYLESHEET, Stylesheet::ORIG_UA);
$acceptedmedia = Stylesheet::$ACCEPTED_GENERIC_MEDIA_TYPES;
$acceptedmedia[] = $this->get_option("default_media_type");
// <base href="" />
$base_nodes = $this->_xml->getElementsByTagName("base");
if ($base_nodes->length && ($href = $base_nodes->item(0)->getAttribute("href"))) {
list($this->_protocol, $this->_base_host, $this->_base_path) = explode_url($href);
}
// Set the base path of the Stylesheet to that of the file being processed
$this->_css->set_protocol($this->_protocol);
$this->_css->set_host($this->_base_host);
$this->_css->set_base_path($this->_base_path);
// Get all the stylesheets so that they are processed in document order
$xpath = new DOMXPath($this->_xml);
$stylesheets = $xpath->query("//*[name() = 'link' or name() = 'style']");
foreach ($stylesheets as $tag) {
switch (strtolower($tag->nodeName)) {
// load <link rel="STYLESHEET" ... /> tags
case "link":
if (mb_strtolower(stripos($tag->getAttribute("rel"), "stylesheet") !== false) || mb_strtolower($tag->getAttribute("type")) === "text/css") {
//Check if the css file is for an accepted media type
//media not given then always valid
$formedialist = preg_split("/[\\s\n,]/", $tag->getAttribute("media"), -1, PREG_SPLIT_NO_EMPTY);
if (count($formedialist) > 0) {
$accept = false;
foreach ($formedialist as $type) {
if (in_array(mb_strtolower(trim($type)), $acceptedmedia)) {
$accept = true;
break;
}
}
if (!$accept) {
//found at least one mediatype, but none of the accepted ones
//Skip this css file.
continue;
}
}
$url = $tag->getAttribute("href");
$url = build_url($this->_protocol, $this->_base_host, $this->_base_path, $url);
$this->_css->load_css_file($url, Stylesheet::ORIG_AUTHOR);
}
break;
// load <style> tags
// load <style> tags
case "style":
// Accept all <style> tags by default (note this is contrary to W3C
// HTML 4.0 spec:
// http://www.w3.org/TR/REC-html40/present/styles.html#adef-media
// which states that the default media type is 'screen'
if ($tag->hasAttributes() && ($media = $tag->getAttribute("media")) && !in_array($media, $acceptedmedia)) {
continue;
}
$css = "";
if ($tag->hasChildNodes()) {
$child = $tag->firstChild;
while ($child) {
$css .= $child->nodeValue;
// Handle <style><!-- blah --></style>
$child = $child->nextSibling;
}
} else {
$css = $tag->nodeValue;
}
$this->_css->load_css($css);
break;
}
}
}
/**
* Builds the {@link Frame_Tree}, loads any CSS and applies the styles to
* the {@link Frame_Tree}
*/
protected function _process_html()
{
$this->_tree->build_tree();
$this->_css->load_css_file(Stylesheet::DEFAULT_STYLESHEET);
// load <link rel="STYLESHEET" ... /> tags
$links = $this->_xml->getElementsByTagName("link");
foreach ($links as $link) {
if (mb_strtolower($link->getAttribute("rel")) == "stylesheet" || mb_strtolower($link->getAttribute("type")) == "text/css") {
$url = $link->getAttribute("href");
$url = build_url($this->_protocol, $this->_base_host, $this->_base_path, $url);
$this->_css->load_css_file($url);
}
}
// load <style> tags
$styles = $this->_xml->getElementsByTagName("style");
foreach ($styles as $style) {
// Accept all <style> tags by default (note this is contrary to W3C
// HTML 4.0 spec:
// http://www.w3.org/TR/REC-html40/present/styles.html#adef-media
// which states that the default media type is 'screen'
if ($style->hasAttributes() && ($media = $style->getAttribute("media")) && !in_array($media, Stylesheet::$ACCEPTED_MEDIA_TYPES)) {
continue;
}
$css = "";
if ($style->hasChildNodes()) {
$child = $style->firstChild;
while ($child) {
$css .= $child->nodeValue;
// Handle <style><!-- blah --></style>
$child = $child->nextSibling;
}
} else {
$css = $style->nodeValue;
}
// Set the base path of the Stylesheet to that of the file being processed
$this->_css->set_protocol($this->_protocol);
$this->_css->set_host($this->_base_host);
$this->_css->set_base_path($this->_base_path);
$this->_css->load_css($css);
}
}