/usr/share/php/dompdf/include/frame_factory.cls.php is in php-dompdf 0.6.2+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
/**
* Contains frame decorating logic
*
* This class is responsible for assigning the correct {@link Frame_Decorator},
* {@link Positioner}, and {@link Frame_Reflower} objects to {@link Frame}
* objects. This is determined primarily by the Frame's display type, but
* also by the Frame's node's type (e.g. DomElement vs. #text)
*
* @access private
* @package dompdf
*/
class Frame_Factory {
/**
* Decorate the root Frame
*
* @param $root Frame The frame to decorate
* @param $dompdf DOMPDF The dompdf instance
* @return Page_Frame_Decorator
*/
static function decorate_root(Frame $root, DOMPDF $dompdf) {
$frame = new Page_Frame_Decorator($root, $dompdf);
$frame->set_reflower( new Page_Frame_Reflower($frame) );
$root->set_decorator($frame);
return $frame;
}
/**
* Decorate a Frame
*
* @param Frame $frame The frame to decorate
* @param DOMPDF $dompdf The dompdf instance
* @param Frame $root The frame to decorate
*
* @throws DOMPDF_Exception
* @return Frame_Decorator
* FIXME: this is admittedly a little smelly...
*/
static function decorate_frame(Frame $frame, DOMPDF $dompdf, Frame $root = null) {
if ( is_null($dompdf) ) {
throw new DOMPDF_Exception("The DOMPDF argument is required");
}
$style = $frame->get_style();
// Floating (and more generally out-of-flow) elements are blocks
// http://coding.smashingmagazine.com/2007/05/01/css-float-theory-things-you-should-know/
if ( !$frame->is_in_flow() && in_array($style->display, Style::$INLINE_TYPES)) {
$style->display = "block";
}
$display = $style->display;
switch ($display) {
case "block":
$positioner = "Block";
$decorator = "Block";
$reflower = "Block";
break;
case "inline-block":
$positioner = "Inline";
$decorator = "Block";
$reflower = "Block";
break;
case "inline":
$positioner = "Inline";
if ( $frame->is_text_node() ) {
$decorator = "Text";
$reflower = "Text";
}
else {
$enable_css_float = $dompdf->get_option("enable_css_float");
if ( $enable_css_float && $style->float !== "none" ) {
$decorator = "Block";
$reflower = "Block";
}
else {
$decorator = "Inline";
$reflower = "Inline";
}
}
break;
case "table":
$positioner = "Block";
$decorator = "Table";
$reflower = "Table";
break;
case "inline-table":
$positioner = "Inline";
$decorator = "Table";
$reflower = "Table";
break;
case "table-row-group":
case "table-header-group":
case "table-footer-group":
$positioner = "Null";
$decorator = "Table_Row_Group";
$reflower = "Table_Row_Group";
break;
case "table-row":
$positioner = "Null";
$decorator = "Table_Row";
$reflower = "Table_Row";
break;
case "table-cell":
$positioner = "Table_Cell";
$decorator = "Table_Cell";
$reflower = "Table_Cell";
break;
case "list-item":
$positioner = "Block";
$decorator = "Block";
$reflower = "Block";
break;
case "-dompdf-list-bullet":
if ( $style->list_style_position === "inside" ) {
$positioner = "Inline";
}
else {
$positioner = "List_Bullet";
}
if ( $style->list_style_image !== "none" ) {
$decorator = "List_Bullet_Image";
}
else {
$decorator = "List_Bullet";
}
$reflower = "List_Bullet";
break;
case "-dompdf-image":
$positioner = "Inline";
$decorator = "Image";
$reflower = "Image";
break;
case "-dompdf-br":
$positioner = "Inline";
$decorator = "Inline";
$reflower = "Inline";
break;
default:
// FIXME: should throw some sort of warning or something?
case "none":
if ( $style->_dompdf_keep !== "yes" ) {
// Remove the node and the frame
$frame->get_parent()->remove_child($frame);
return;
}
$positioner = "Null";
$decorator = "Null";
$reflower = "Null";
break;
}
// Handle CSS position
$position = $style->position;
if ( $position === "absolute" ) {
$positioner = "Absolute";
}
else if ( $position === "fixed" ) {
$positioner = "Fixed";
}
$node = $frame->get_node();
// Handle nodeName
if ( $node->nodeName === "img" ) {
$style->display = "-dompdf-image";
$decorator = "Image";
$reflower = "Image";
}
$positioner .= "_Positioner";
$decorator .= "_Frame_Decorator";
$reflower .= "_Frame_Reflower";
$deco = new $decorator($frame, $dompdf);
$deco->set_positioner( new $positioner($deco) );
$deco->set_reflower( new $reflower($deco) );
if ( $root ) {
$deco->set_root($root);
}
if ( $display === "list-item" ) {
// Insert a list-bullet frame
$xml = $dompdf->get_dom();
$bullet_node = $xml->createElement("bullet"); // arbitrary choice
$b_f = new Frame($bullet_node);
$node = $frame->get_node();
$parent_node = $node->parentNode;
if ( $parent_node ) {
if ( !$parent_node->hasAttribute("dompdf-children-count") ) {
$xpath = new DOMXPath($xml);
$count = $xpath->query("li", $parent_node)->length;
$parent_node->setAttribute("dompdf-children-count", $count);
}
if ( is_numeric($node->getAttribute("value")) ) {
$index = intval($node->getAttribute("value"));
}
else {
if ( !$parent_node->hasAttribute("dompdf-counter") ) {
$index = ($parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") : 1);
}
else {
$index = $parent_node->getAttribute("dompdf-counter")+1;
}
}
$parent_node->setAttribute("dompdf-counter", $index);
$bullet_node->setAttribute("dompdf-counter", $index);
}
$new_style = $dompdf->get_css()->create_style();
$new_style->display = "-dompdf-list-bullet";
$new_style->inherit($style);
$b_f->set_style($new_style);
$deco->prepend_child( Frame_Factory::decorate_frame($b_f, $dompdf, $root) );
}
return $deco;
}
}
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