+
+ function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
+ $matches = array();
+
+ foreach ($filters as $filter) {
+ $match_any_rule = $filter["match_any_rule"];
+ $filter_match = false;
+
+ foreach ($filter["rules"] as $rule) {
+ $match = false;
+ $reg_exp = $rule["reg_exp"];
+
+ if (!$reg_exp)
+ continue;
+
+ switch ($rule["type"]) {
+ case "title":
+ $match = @preg_match("/$reg_exp/i", $title);
+ break;
+ case "content":
+ // we don't need to deal with multiline regexps
+ $content = preg_replace("/[\r\n\t]/", "", $content);
+
+ $match = @preg_match("/$reg_exp/i", $content);
+ break;
+ case "both":
+ // we don't need to deal with multiline regexps
+ $content = preg_replace("/[\r\n\t]/", "", $content);
+
+ $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content));
+ break;
+ case "link":
+ $match = @preg_match("/$reg_exp/i", $link);
+ break;
+ case "author":
+ $match = @preg_match("/$reg_exp/i", $author);
+ break;
+ case "tag":
+ $tag_string = join(",", $tags);
+ $match = @preg_match("/$reg_exp/i", $tag_string);
+ break;
+ }
+
+ if ($match_any_rule) {
+ if ($match) {
+ $filter_match = true;
+ break;
+ }
+ } else {
+ $filter_match = $match;
+ if (!$match) {
+ break;
+ }
+ }
+ }
+
+ if ($filter_match) {
+ foreach ($filter["actions"] AS $action) {
+ array_push($matches, $action);
+ }
+ }
+ }
+
+ return $matches;
+ }
+
+ function find_article_filter($filters, $filter_name) {
+ foreach ($filters as $f) {
+ if ($f["type"] == $filter_name) {
+ return $f;
+ };
+ }
+ return false;
+ }
+
+ function find_article_filters($filters, $filter_name) {
+ $results = array();
+
+ foreach ($filters as $f) {
+ if ($f["type"] == $filter_name) {
+ array_push($results, $f);
+ };
+ }
+ return $results;
+ }
+
+ function calculate_article_score($filters) {
+ $score = 0;
+
+ foreach ($filters as $f) {
+ if ($f["type"] == "score") {
+ $score += $f["param"];
+ };
+ }
+ return $score;
+ }
+
+ function labels_contains_caption($labels, $caption) {
+ foreach ($labels as $label) {
+ if ($label[1] == $caption) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ function assign_article_to_label_filters($link, $id, $filters, $owner_uid, $article_labels) {
+ foreach ($filters as $f) {
+ if ($f["type"] == "label") {
+ if (!labels_contains_caption($article_labels, $f["param"])) {
+ label_add_article($link, $id, $f["param"], $owner_uid);
+ }
+ }
+ }
+ }
+
+ function cache_content($link, $url, $login, $pass) {
+
+ $content = fetch_file_contents($url, $login, $pass);
+
+ if ($content) {
+ $doc = new DOMDocument();
+ @$doc->loadHTML($content);
+ $xpath = new DOMXPath($doc);
+
+ $node = $doc->getElementsByTagName('body')->item(0);
+
+ if ($node) {
+ $content = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
+
+ return $content;
+ }
+ }
+
+ return "";
+ }
+
+ function make_guid_from_title($title) {
+ return preg_replace("/[ \"\',.:;]/", "-",
+ mb_strtolower(strip_tags($title), 'utf-8'));
+ }
+
+