ONE PIECE HACKING

Ngiler SH3LL 360
: / home / tbf / tbf.ro / vendor / dompdf / dompdf / src / Frame /

Information Server
MySQL : OFF Perl : OFF CURL : ON WGET : OFF PKEXEC : OFF

Directive	Local Value
IP Address	89.40.16.97
System	Linux server.atelieruldeit.ro 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64
User	tbf
PHP Version	7.3.33
Software	Apache
Doc root	Writable

Edit File : FrameTree.php \| Size : 8.50 KB
<?php namespace Dompdf\Frame; use DOMDocument; use DOMNode; use DOMElement; use DOMXPath; use Dompdf\Exception; use Dompdf\Frame; /** * @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 / /* * Represents an entire document as a tree of frames * * The FrameTree consists of {@link Frame} objects each tied to specific * DOMNode objects in a specific DomDocument. The FrameTree has the same * structure as the DomDocument, but adds additional capabilities for * styling and layout. * * @package dompdf / class FrameTree { /* * Tags to ignore while parsing the tree * * @var array / protected static $HIDDEN_TAGS = array( "area", "base", "basefont", "head", "style", "meta", "title", "colgroup", "noembed", "param", "#comment" ); /* * The main DomDocument * * @see http://ca2.php.net/manual/en/ref.dom.php * @var DOMDocument / protected $_dom; /* * The root node of the FrameTree. * * @var Frame / protected $_root; /* * Subtrees of absolutely positioned elements * * @var array of Frames / protected $_absolute_frames; /* * A mapping of {@link Frame} objects to DOMNode objects * * @var array / protected $_registry; /* * Class constructor * * @param DOMDocument $dom the main DomDocument object representing the current html document / public function __construct(DomDocument $dom) { $this->_dom = $dom; $this->_root = null; $this->_registry = array(); } /* * Returns the DOMDocument object representing the current html document * * @return DOMDocument / public function get_dom() { return $this->_dom; } /* * Returns the root frame of the tree * * @return Frame / public function get_root() { return $this->_root; } /* * Returns a specific frame given its id * * @param string $id * * @return Frame\|null / public function get_frame($id) { return isset($this->_registry[$id]) ? $this->_registry[$id] : null; } /* * Returns a post-order iterator for all frames in the tree * * @return FrameTreeList\|Frame[] / public function get_frames() { return new FrameTreeList($this->_root); } /* * Builds the tree / public function build_tree() { $html = $this->_dom->getElementsByTagName("html")->item(0); if (is_null($html)) { $html = $this->_dom->firstChild; } if (is_null($html)) { throw new Exception("Requested HTML document contains no data."); } $this->fix_tables(); $this->_root = $this->_build_tree_r($html); } /* * Adds missing TBODYs around TR / protected function fix_tables() { $xp = new DOMXPath($this->_dom); // Move table caption before the table // FIXME find a better way to deal with it... $captions = $xp->query('//table/caption'); foreach ($captions as $caption) { $table = $caption->parentNode; $table->parentNode->insertBefore($caption, $table); } $firstRows = $xp->query('//table/tr[1]'); /* @var DOMElement $tableChild / foreach ($firstRows as $tableChild) { $tbody = $this->_dom->createElement('tbody'); $tableNode = $tableChild->parentNode; do { if ($tableChild->nodeName === 'tr') { $tmpNode = $tableChild; $tableChild = $tableChild->nextSibling; $tableNode->removeChild($tmpNode); $tbody->appendChild($tmpNode); } else { if ($tbody->hasChildNodes() === true) { $tableNode->insertBefore($tbody, $tableChild); $tbody = $this->_dom->createElement('tbody'); } $tableChild = $tableChild->nextSibling; } } while ($tableChild); if ($tbody->hasChildNodes() === true) { $tableNode->appendChild($tbody); } } } // FIXME: temporary hack, preferably we will improve rendering of sequential #text nodes /* * Remove a child from a node * * Remove a child from a node. If the removed node results in two * adjacent #text nodes then combine them. * * @param DOMNode $node the current DOMNode being considered * @param array $children an array of nodes that are the children of $node * @param int $index index from the $children array of the node to remove / protected function _remove_node(DOMNode $node, array &$children, $index) { $child = $children[$index]; $previousChild = $child->previousSibling; $nextChild = $child->nextSibling; $node->removeChild($child); if (isset($previousChild, $nextChild)) { if ($previousChild->nodeName === "#text" && $nextChild->nodeName === "#text") { $previousChild->nodeValue .= $nextChild->nodeValue; $this->_remove_node($node, $children, $index+1); } } array_splice($children, $index, 1); } /* * Recursively adds {@link Frame} objects to the tree * * Recursively build a tree of Frame objects based on a dom tree. * No layout information is calculated at this time, although the * tree may be adjusted (i.e. nodes and frames for generated content * and images may be created). * * @param DOMNode $node the current DOMNode being considered * * @return Frame / protected function _build_tree_r(DOMNode $node) { $frame = new Frame($node); $id = $frame->get_id(); $this->_registry[$id] = $frame; if (!$node->hasChildNodes()) { return $frame; } // Store the children in an array so that the tree can be modified $children = array(); $length = $node->childNodes->length; for ($i = 0; $i < $length; $i++) { $children[] = $node->childNodes->item($i); } $index = 0; // INFO: We don't advance $index if a node is removed to avoid skipping nodes while ($index < count($children)) { $child = $children[$index]; $nodeName = strtolower($child->nodeName); // Skip non-displaying nodes if (in_array($nodeName, self::$HIDDEN_TAGS)) { if ($nodeName !== "head" && $nodeName !== "style") { $this->_remove_node($node, $children, $index); } else { $index++; } continue; } // Skip empty text nodes if ($nodeName === "#text" && $child->nodeValue === "") { $this->_remove_node($node, $children, $index); continue; } // Skip empty image nodes if ($nodeName === "img" && $child->getAttribute("src") === "") { $this->_remove_node($node, $children, $index); continue; } if (is_object($child)) { $frame->append_child($this->_build_tree_r($child), false); } $index++; } return $frame; } /* * @param DOMElement $node * @param DOMElement $new_node * @param string $pos * * @return mixed */ public function insert_node(DOMElement $node, DOMElement $new_node, $pos) { if ($pos === "after" \|\| !$node->firstChild) { $node->appendChild($new_node); } else { $node->insertBefore($new_node, $node->firstChild); } $this->_build_tree_r($new_node); $frame_id = $new_node->getAttribute("frame_id"); $frame = $this->get_frame($frame_id); $parent_id = $node->getAttribute("frame_id"); $parent = $this->get_frame($parent_id); if ($parent) { if ($pos === "before") { $parent->prepend_child($frame, false); } else { $parent->append_child($frame, false); } } return $frame_id; } } Back

Edit File : FrameTree.php | Size : 8.50 KB

<?php

namespace Dompdf\Frame;

use DOMDocument;
use DOMNode;
use DOMElement;
use DOMXPath;

use Dompdf\Exception;
use Dompdf\Frame;

/**
 * @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
 */

/**
 * Represents an entire document as a tree of frames
 *
 * The FrameTree consists of {@link Frame} objects each tied to specific
 * DOMNode objects in a specific DomDocument.  The FrameTree has the same
 * structure as the DomDocument, but adds additional capabilities for
 * styling and layout.
 *
 * @package dompdf
 */
class FrameTree
{
    /**
     * Tags to ignore while parsing the tree
     *
     * @var array
     */
    protected static $HIDDEN_TAGS = array(
        "area",
        "base",
        "basefont",
        "head",
        "style",
        "meta",
        "title",
        "colgroup",
        "noembed",
        "param",
        "#comment"
    );

/**
     * The main DomDocument
     *
     * @see http://ca2.php.net/manual/en/ref.dom.php
     * @var DOMDocument
     */
    protected $_dom;

/**
     * The root node of the FrameTree.
     *
     * @var Frame
     */
    protected $_root;

/**
     * Subtrees of absolutely positioned elements
     *
     * @var array of Frames
     */
    protected $_absolute_frames;

/**
     * A mapping of {@link Frame} objects to DOMNode objects
     *
     * @var array
     */
    protected $_registry;

/**
     * Class constructor
     *
     * @param DOMDocument $dom the main DomDocument object representing the current html document
     */
    public function __construct(DomDocument $dom)
    {
        $this->_dom = $dom;
        $this->_root = null;
        $this->_registry = array();
    }

/**
     * Returns the DOMDocument object representing the current html document
     *
     * @return DOMDocument
     */
    public function get_dom()
    {
        return $this->_dom;
    }

/**
     * Returns the root frame of the tree
     *
     * @return Frame
     */
    public function get_root()
    {
        return $this->_root;
    }

/**
     * Returns a specific frame given its id
     *
     * @param string $id
     *
     * @return Frame|null
     */
    public function get_frame($id)
    {
        return isset($this->_registry[$id]) ? $this->_registry[$id] : null;
    }

/**
     * Returns a post-order iterator for all frames in the tree
     *
     * @return FrameTreeList|Frame[]
     */
    public function get_frames()
    {
        return new FrameTreeList($this->_root);
    }

/**
     * Builds the tree
     */
    public function build_tree()
    {
        $html = $this->_dom->getElementsByTagName("html")->item(0);
        if (is_null($html)) {
            $html = $this->_dom->firstChild;
        }

if (is_null($html)) {
            throw new Exception("Requested HTML document contains no data.");
        }

$this->fix_tables();

$this->_root = $this->_build_tree_r($html);
    }

/**
     * Adds missing TBODYs around TR
     */
    protected function fix_tables()
    {
        $xp = new DOMXPath($this->_dom);

// Move table caption before the table
        // FIXME find a better way to deal with it...
        $captions = $xp->query('//table/caption');
        foreach ($captions as $caption) {
            $table = $caption->parentNode;
            $table->parentNode->insertBefore($caption, $table);
        }

$firstRows = $xp->query('//table/tr[1]');
        /** @var DOMElement $tableChild */
        foreach ($firstRows as $tableChild) {
            $tbody = $this->_dom->createElement('tbody');
            $tableNode = $tableChild->parentNode;
            do {
                if ($tableChild->nodeName === 'tr') {
                    $tmpNode = $tableChild;
                    $tableChild = $tableChild->nextSibling;
                    $tableNode->removeChild($tmpNode);
                    $tbody->appendChild($tmpNode);
                } else {
                    if ($tbody->hasChildNodes() === true) {
                        $tableNode->insertBefore($tbody, $tableChild);
                        $tbody = $this->_dom->createElement('tbody');
                    }
                    $tableChild = $tableChild->nextSibling;
                }
            } while ($tableChild);
            if ($tbody->hasChildNodes() === true) {
                $tableNode->appendChild($tbody);
            }
        }
    }

// FIXME: temporary hack, preferably we will improve rendering of sequential #text nodes
    /**
     * Remove a child from a node
     *
     * Remove a child from a node. If the removed node results in two
     * adjacent #text nodes then combine them.
     *
     * @param DOMNode $node the current DOMNode being considered
     * @param array $children an array of nodes that are the children of $node
     * @param int $index index from the $children array of the node to remove
     */
    protected function _remove_node(DOMNode $node, array &$children, $index)
    {
        $child = $children[$index];
        $previousChild = $child->previousSibling;
        $nextChild = $child->nextSibling;
        $node->removeChild($child);
        if (isset($previousChild, $nextChild)) {
            if ($previousChild->nodeName === "#text" && $nextChild->nodeName === "#text") {
                $previousChild->nodeValue .= $nextChild->nodeValue;
                $this->_remove_node($node, $children, $index+1);
            }
        }
        array_splice($children, $index, 1);
    }

/**
     * Recursively adds {@link Frame} objects to the tree
     *
     * Recursively build a tree of Frame objects based on a dom tree.
     * No layout information is calculated at this time, although the
     * tree may be adjusted (i.e. nodes and frames for generated content
     * and images may be created).
     *
     * @param DOMNode $node the current DOMNode being considered
     *
     * @return Frame
     */
    protected function _build_tree_r(DOMNode $node)
    {
        $frame = new Frame($node);
        $id = $frame->get_id();
        $this->_registry[$id] = $frame;

if (!$node->hasChildNodes()) {
            return $frame;
        }

// Store the children in an array so that the tree can be modified
        $children = array();
        $length = $node->childNodes->length;
        for ($i = 0; $i < $length; $i++) {
            $children[] = $node->childNodes->item($i);
        }
        $index = 0;
        // INFO: We don't advance $index if a node is removed to avoid skipping nodes
        while ($index < count($children)) {
            $child = $children[$index];
            $nodeName = strtolower($child->nodeName);

// Skip non-displaying nodes
            if (in_array($nodeName, self::$HIDDEN_TAGS)) {
                if ($nodeName !== "head" && $nodeName !== "style") {
                    $this->_remove_node($node, $children, $index);
                } else {
                    $index++;
                }
                continue;
            }
            // Skip empty text nodes
            if ($nodeName === "#text" && $child->nodeValue === "") {
                $this->_remove_node($node, $children, $index);
                continue;
            }
            // Skip empty image nodes
            if ($nodeName === "img" && $child->getAttribute("src") === "") {
                $this->_remove_node($node, $children, $index);
                continue;
            }

if (is_object($child)) {
                $frame->append_child($this->_build_tree_r($child), false);
            }
            $index++;
        }

return $frame;
    }

/**
     * @param DOMElement $node
     * @param DOMElement $new_node
     * @param string $pos
     *
     * @return mixed
     */
    public function insert_node(DOMElement $node, DOMElement $new_node, $pos)
    {
        if ($pos === "after" || !$node->firstChild) {
            $node->appendChild($new_node);
        } else {
            $node->insertBefore($new_node, $node->firstChild);
        }

$this->_build_tree_r($new_node);

$frame_id = $new_node->getAttribute("frame_id");
        $frame = $this->get_frame($frame_id);

$parent_id = $node->getAttribute("frame_id");
        $parent = $this->get_frame($parent_id);

if ($parent) {
            if ($pos === "before") {
                $parent->prepend_child($frame, false);
            } else {
                $parent->append_child($frame, false);
            }
        }

return $frame_id;
    }
}

Back