SunnysideUp\ShareThis\simple_html_dom_node::seek()

Complexity

Conditions	44
Paths	> 20000

Size

Total Lines	113
Code Lines	64

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    protected function seek($selector, &$ret, $lowercase=false)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debugLogEntry(1);
        }

        list($tag, $key, $val, $exp, $no_key) = $selector;

        // xpath index
        if ($tag && $key && is_numeric($key)) {
            $count = 0;
            foreach ($this->children as $c) {
                if ($tag==='*' || $tag===$c->tag) {
                    if (++$count==$key) {
                        $ret[$c->_[HDOM_INFO_BEGIN]] = 1;
                        return;
                    }
                }
            }
            return;
        }

        $end = (!empty($this->_[HDOM_INFO_END])) ? $this->_[HDOM_INFO_END] : 0;
        if ($end==0) {
            $parent = $this->parent;
            while (!isset($parent->_[HDOM_INFO_END]) && $parent!==null) {
                $end -= 1;
                $parent = $parent->parent;
            }
            $end += $parent->_[HDOM_INFO_END];
        }

        for ($i=$this->_[HDOM_INFO_BEGIN]+1; $i<$end; ++$i) {
            $node = $this->dom->nodes[$i];

            $pass = true;

            if ($tag==='*' && !$key) {
                if (in_array($node, $this->children, true)) {
                    $ret[$i] = 1;
                }
                continue;
            }

            // compare tag
            if ($tag && $tag!=$node->tag && $tag!=='*') {
                $pass=false;
            }
            // compare key
            if ($pass && $key) {
                if ($no_key) {
                    if (isset($node->attr[$key])) {
                        $pass=false;
                    }
                } else {
                    if (($key != "plaintext") && !isset($node->attr[$key])) {
                        $pass=false;
                    }
                }
            }
            // compare value
            if ($pass && $key && $val  && $val!=='*') {
                // If they have told us that this is a "plaintext" search then we want the plaintext of the node - right?
                if ($key == "plaintext") {
                    // $node->plaintext actually returns $node->text();
                    $nodeKeyValue = $node->text();
                } else {
                    // this is a normal search, we want the value of that attribute of the tag.
                    $nodeKeyValue = $node->attr[$key];
                }
                if (is_object($debug_object)) {
                    $debug_object->debugLog(2, "testing node: " . $node->tag . " for attribute: " . $key . $exp . $val . " where nodes value is: " . $nodeKeyValue);
                }

                //PaperG - If lowercase is set, do a case insensitive test of the value of the selector.
                if ($lowercase) {
                    $check = $this->match($exp, strtolower($val), strtolower($nodeKeyValue));
                } else {
                    $check = $this->match($exp, $val, $nodeKeyValue);
                }
                if (is_object($debug_object)) {
                    $debug_object->debugLog(2, "after match: " . ($check ? "true" : "false"));
                }

                // handle multiple class
                if (!$check && strcasecmp($key, 'class')===0) {
                    foreach (explode(' ', $node->attr[$key]) as $k) {
                        // Without this, there were cases where leading, trailing, or double spaces lead to our comparing blanks - bad form.
                        if (!empty($k)) {
                            if ($lowercase) {
                                $check = $this->match($exp, strtolower($val), strtolower($k));
                            } else {
                                $check = $this->match($exp, $val, $k);
                            }
                            if ($check) {
                                break;
                            }
                        }
                    }
                }
                if (!$check) {
                    $pass = false;
                }
            }
            if ($pass) {
                $ret[$i] = 1;
            }
            unset($node);
        }
        // It's passed by reference so this is actually what this function returns.
        if (is_object($debug_object)) {
            $debug_object->debugLog(1, "EXIT - ret: ", $ret);
        }