/**
* Method to get a DatabaseQuery object for retrieving the data set from a database.
*
* @return DatabaseQuery A DatabaseQuery object to retrieve the data set.
*
* @since 1.0
*/
protected function getListQuery()
{
$db = $this->getDb();
$query = $db->getQuery(true);
$query->select(array('id', 'username'));
$query->from('#__users');
$filter = $this->state->get('filter.search-user');
if ($filter) {
// Clean filter variable
$filter = $db->quote('%' . $db->escape(StringHelper::strtolower($filter), true) . '%', false);
$query->where($db->quoteName('username') . ' LIKE ' . $filter);
}
return $query;
}
/**
* This method processes a string and replaces all accented UTF-8 characters by unaccented
* ASCII-7 "equivalents", whitespaces are replaced by hyphens and the string is lowercase.
*
* @param string $string String to process
* @param string $language Language to transilterate to
*
* @return string Processed string
*
* @since 11.1
*/
public static function stringURLSafe($string, $language = '')
{
// Remove any '-' from the string since they will be used as concatenaters
$str = str_replace('-', ' ', $string);
// Transliterate on the language requested (fallback to current language if not specified)
$lang = $language == '' || $language == '*' ? JFactory::getLanguage() : JLanguage::getInstance($language);
$str = $lang->transliterate($str);
// Trim white spaces at beginning and end of alias and make lowercase
$str = trim(StringHelper::strtolower($str));
// Remove any duplicate whitespace, and ensure all characters are alphanumeric
$str = preg_replace('/(\\s|[^A-Za-z0-9\\-])+/', '-', $str);
// Trim dashes at beginning and end of alias
$str = trim($str, '-');
return $str;
}
/**
* Sets an inflected word in the cache.
*
* @param string $singular The singular form of the word.
* @param string $plural The plural form of the word. If omitted, it is assumed the singular and plural are identical.
*
* @return void
*
* @since 1.0
*/
private function setCache($singular, $plural = null)
{
$singular = StringHelper::strtolower($singular);
if ($plural === null) {
$plural = $singular;
} else {
$plural = StringHelper::strtolower($plural);
}
$this->cache[$singular] = $plural;
}
/**
* Method to tokenize a text string.
*
* @param string $input The input to tokenize.
* @param string $lang The language of the input.
* @param boolean $phrase Flag to indicate whether input could be a phrase. [optional]
*
* @return array An array of FinderIndexerToken objects.
*
* @since 2.5
*/
public static function tokenize($input, $lang, $phrase = false)
{
static $cache;
$store = StringHelper::strlen($input) < 128 ? md5($input . '::' . $lang . '::' . $phrase) : null;
// Check if the string has been tokenized already.
if ($store && isset($cache[$store])) {
return $cache[$store];
}
$tokens = array();
$quotes = html_entity_decode('‘’'', ENT_QUOTES, 'UTF-8');
// Get the simple language key.
$lang = static::getPrimaryLanguage($lang);
/*
* Parsing the string input into terms is a multi-step process.
*
* Regexes:
* 1. Remove everything except letters, numbers, quotes, apostrophe, plus, dash, period, and comma.
* 2. Remove plus, dash, period, and comma characters located before letter characters.
* 3. Remove plus, dash, period, and comma characters located after other characters.
* 4. Remove plus, period, and comma characters enclosed in alphabetical characters. Ungreedy.
* 5. Remove orphaned apostrophe, plus, dash, period, and comma characters.
* 6. Remove orphaned quote characters.
* 7. Replace the assorted single quotation marks with the ASCII standard single quotation.
* 8. Remove multiple space characters and replaces with a single space.
*/
$input = StringHelper::strtolower($input);
$input = preg_replace('#[^\\pL\\pM\\pN\\p{Pi}\\p{Pf}\'+-.,]+#mui', ' ', $input);
$input = preg_replace('#(^|\\s)[+-.,]+([\\pL\\pM]+)#mui', ' $1', $input);
$input = preg_replace('#([\\pL\\pM\\pN]+)[+-.,]+(\\s|$)#mui', '$1 ', $input);
$input = preg_replace('#([\\pL\\pM]+)[+.,]+([\\pL\\pM]+)#muiU', '$1 $2', $input);
$input = preg_replace('#(^|\\s)[\'+-.,]+(\\s|$)#mui', ' ', $input);
$input = preg_replace('#(^|\\s)[\\p{Pi}\\p{Pf}]+(\\s|$)#mui', ' ', $input);
$input = preg_replace('#[' . $quotes . ']+#mui', '\'', $input);
$input = preg_replace('#\\s+#mui', ' ', $input);
$input = StringHelper::trim($input);
// Explode the normalized string to get the terms.
$terms = explode(' ', $input);
/*
* If we have Unicode support and are dealing with Chinese text, Chinese
* has to be handled specially because there are not necessarily any spaces
* between the "words". So, we have to test if the words belong to the Chinese
* character set and if so, explode them into single glyphs or "words".
*/
if ($lang === 'zh') {
// Iterate through the terms and test if they contain Chinese.
for ($i = 0, $n = count($terms); $i < $n; $i++) {
$charMatches = array();
$charCount = preg_match_all('#[\\p{Han}]#mui', $terms[$i], $charMatches);
// Split apart any groups of Chinese characters.
for ($j = 0; $j < $charCount; $j++) {
$tSplit = StringHelper::str_ireplace($charMatches[0][$j], '', $terms[$i], false);
if (!empty($tSplit)) {
$terms[$i] = $tSplit;
} else {
unset($terms[$i]);
}
$terms[] = $charMatches[0][$j];
}
}
// Reset array keys.
$terms = array_values($terms);
}
/*
* If we have to handle the input as a phrase, that means we don't
* tokenize the individual terms and we do not create the two and three
* term combinations. The phrase must contain more than one word!
*/
if ($phrase === true && count($terms) > 1) {
// Create tokens from the phrase.
$tokens[] = new FinderIndexerToken($terms, $lang);
} else {
// Create tokens from the terms.
for ($i = 0, $n = count($terms); $i < $n; $i++) {
$tokens[] = new FinderIndexerToken($terms[$i], $lang);
}
// Create two and three word phrase tokens from the individual words.
for ($i = 0, $n = count($tokens); $i < $n; $i++) {
// Setup the phrase positions.
$i2 = $i + 1;
$i3 = $i + 2;
// Create the two word phrase.
if ($i2 < $n && isset($tokens[$i2])) {
// Tokenize the two word phrase.
$token = new FinderIndexerToken(array($tokens[$i]->term, $tokens[$i2]->term), $lang, $lang === 'zh' ? '' : ' ');
$token->derived = true;
// Add the token to the stack.
$tokens[] = $token;
}
// Create the three word phrase.
if ($i3 < $n && isset($tokens[$i3])) {
// Tokenize the three word phrase.
$token = new FinderIndexerToken(array($tokens[$i]->term, $tokens[$i2]->term, $tokens[$i3]->term), $lang, $lang === 'zh' ? '' : ' ');
$token->derived = true;
// Add the token to the stack.
$tokens[] = $token;
}
}
}
if ($store) {
$cache[$store] = count($tokens) > 1 ? $tokens : array_shift($tokens);
return $cache[$store];
} else {
return count($tokens) > 1 ? $tokens : array_shift($tokens);
}
}
/**
* This method implements unicode slugs instead of transliteration.
*
* @param string $string String to process
*
* @return string Processed string
*
* @since 1.0
*/
public static function stringUrlUnicodeSlug($string)
{
// Replace double byte whitespaces by single byte (East Asian languages)
$str = preg_replace('/\\xE3\\x80\\x80/', ' ', $string);
// Remove any '-' from the string as they will be used as concatenator.
// Would be great to let the spaces in but only Firefox is friendly with this
$str = str_replace('-', ' ', $str);
// Replace forbidden characters by whitespaces
$str = preg_replace('#[:\\#\\*"@+=;!><&\\.%()\\]\\/\'\\\\|\\[]#', " ", $str);
// Delete all '?'
$str = str_replace('?', '', $str);
// Trim white spaces at beginning and end of alias and make lowercase
$str = trim(StringHelper::strtolower($str));
// Remove any duplicate whitespace and replace whitespaces by hyphens
$str = preg_replace('#\\x20+#', '-', $str);
return $str;
}
/**
* Function to convert a sef route to an internal URI
*
* @param JUri &$uri The sef URI
*
* @return string Internal URI
*
* @since 3.2
* @deprecated 4.0 Attach your logic as rule to the main parse stage
*/
protected function parseSefRoute(&$uri)
{
$route = $uri->getPath();
// Remove the suffix
if ($this->app->get('sef_suffix')) {
if ($suffix = pathinfo($route, PATHINFO_EXTENSION)) {
$route = str_replace('.' . $suffix, '', $route);
}
}
// Get the variables from the uri
$vars = $uri->getQuery(true);
// Handle an empty URL (special case)
if (empty($route)) {
// If route is empty AND option is set in the query, assume it's non-sef url, and parse apropriately
if (isset($vars['option']) || isset($vars['Itemid'])) {
return $this->parseRawRoute($uri);
}
$item = $this->menu->getDefault($this->app->getLanguage()->getTag());
// If user not allowed to see default menu item then avoid notices
if (is_object($item)) {
// Set the information in the request
$vars = $item->query;
// Get the itemid
$vars['Itemid'] = $item->id;
// Set the active menu item
$this->menu->setActive($vars['Itemid']);
$this->setVars($vars);
}
return $vars;
}
// Parse the application route
$segments = explode('/', $route);
if (count($segments) > 1 && $segments[0] == 'component') {
$vars['option'] = 'com_' . $segments[1];
$vars['Itemid'] = null;
$route = implode('/', array_slice($segments, 2));
} else {
// Get menu items.
$items = $this->menu->getMenu();
$found = false;
$route_lowercase = StringHelper::strtolower($route);
$lang_tag = $this->app->getLanguage()->getTag();
// Iterate through all items and check route matches.
foreach ($items as $item) {
if ($item->route && StringHelper::strpos($route_lowercase . '/', $item->route . '/') === 0 && $item->type != 'menulink') {
// Usual method for non-multilingual site.
if (!$this->app->getLanguageFilter()) {
// Exact route match. We can break iteration because exact item was found.
if ($item->route == $route_lowercase) {
$found = $item;
break;
}
// Partial route match. Item with highest level takes priority.
if (!$found || $found->level < $item->level) {
$found = $item;
}
} elseif ($item->language == '*' || $item->language == $lang_tag) {
// Exact route match.
if ($item->route == $route_lowercase) {
$found = $item;
// Break iteration only if language is matched.
if ($item->language == $lang_tag) {
break;
}
}
// Partial route match. Item with highest level or same language takes priority.
if (!$found || $found->level < $item->level || $item->language == $lang_tag) {
$found = $item;
}
}
}
}
if (!$found) {
$found = $this->menu->getDefault($lang_tag);
} else {
$route = substr($route, strlen($found->route));
if ($route) {
$route = substr($route, 1);
}
}
if ($found) {
$vars['Itemid'] = $found->id;
$vars['option'] = $found->component;
}
}
// Set the active menu item
if (isset($vars['Itemid'])) {
$this->menu->setActive($vars['Itemid']);
}
// Set the variables
$this->setVars($vars);
// Parse the component route
if (!empty($route) && isset($this->_vars['option'])) {
$segments = explode('/', $route);
if (empty($segments[0])) {
array_shift($segments);
}
// Handle component route
$component = preg_replace('/[^A-Z0-9_\\.-]/i', '', $this->_vars['option']);
if (count($segments)) {
$crouter = $this->getComponentRouter($component);
$vars = $crouter->parse($segments);
$this->setVars($vars);
}
} else {
// Set active menu item
if ($item = $this->menu->getActive()) {
$vars = $item->query;
}
}
return $vars;
}
/**
* Transliterate function
*
* This method processes a string and replaces all accented UTF-8 characters by unaccented
* ASCII-7 "equivalents".
*
* @param string $string The string to transliterate.
*
* @return string The transliteration of the string.
*
* @since 11.1
*/
public function transliterate($string)
{
if ($this->transliterator !== null) {
return call_user_func($this->transliterator, $string);
}
$string = JLanguageTransliterate::utf8_latin_to_ascii($string);
$string = StringHelper::strtolower($string);
return $string;
}
/**
* Method to get the table of contents
*
* @return array Table of contents
*/
public function &getToc()
{
if (!is_null($this->toc)) {
return $this->toc;
}
// Get vars
$lang_tag = $this->getLangTag();
$help_search = $this->getHelpSearch();
// New style - Check for a TOC JSON file
if (file_exists(JPATH_BASE . '/help/' . $lang_tag . '/toc.json')) {
$data = json_decode(file_get_contents(JPATH_BASE . '/help/' . $lang_tag . '/toc.json'));
// Loop through the data array
foreach ($data as $key => $value) {
$this->toc[$key] = JText::_('COM_ADMIN_HELP_' . $value);
}
// Sort the Table of Contents
asort($this->toc);
return $this->toc;
}
// Get Help files
jimport('joomla.filesystem.folder');
$files = JFolder::files(JPATH_BASE . '/help/' . $lang_tag, '\\.xml$|\\.html$');
$this->toc = array();
foreach ($files as $file) {
$buffer = file_get_contents(JPATH_BASE . '/help/' . $lang_tag . '/' . $file);
if (!preg_match('#<title>(.*?)</title>#', $buffer, $m)) {
continue;
}
$title = trim($m[1]);
if (!$title) {
continue;
}
// Translate the page title
$title = JText::_($title);
// Strip the extension
$file = preg_replace('#\\.xml$|\\.html$#', '', $file);
if ($help_search && StringHelper::strpos(StringHelper::strtolower(strip_tags($buffer)), StringHelper::strtolower($help_search)) === false) {
continue;
}
// Add an item in the Table of Contents
$this->toc[$file] = $title;
}
// Sort the Table of Contents
asort($this->toc);
return $this->toc;
}
/**
* Common function to process the filters for a query based on the model state
*
* @param DatabaseQuery $query DatabaseQuery object
*
* @return DatabaseQuery
*
* @since 1.0
*/
private function processStateFilter(DatabaseQuery $query)
{
$db = $this->getDb();
$filter = $this->getProject()->project_id;
if ($filter) {
$query->where($db->quoteName('a.project_id') . ' = ' . (int) $filter);
}
$filter = $this->state->get('filter.search');
if ($filter) {
$query = $this->processSearchFilter($query, $filter);
}
$filter = $this->state->get('filter.status');
if ($filter) {
$query->where($db->quoteName('a.status') . ' = ' . (int) $filter);
}
$filter = $this->state->get('filter.state');
// State == 2 means "all".
if (is_numeric($filter) && 2 != $filter) {
$query->where($db->quoteName('s.closed') . ' = ' . (int) $filter);
}
$filter = $this->state->get('filter.priority');
if ($filter) {
$query->where($db->quoteName('a.priority') . ' = ' . (int) $filter);
}
$filter = $this->state->get('filter.user');
if ($filter && is_numeric($filter)) {
$username = $this->state->get('username');
switch ($filter) {
case 1:
$query->where($db->quoteName('a.opened_by') . ' = ' . $db->quote($username));
break;
case 2:
// Join over the activities.
$query->join('LEFT', '#__activities AS ac ON a.issue_number = ac.issue_number');
$query->where($db->quoteName('ac.user') . ' = ' . $db->quote($username));
$query->where($db->quoteName('ac.project_id') . ' = ' . (int) $this->getProject()->project_id);
$query->group('a.issue_number');
break;
}
}
$filter = $this->state->get('filter.created_by');
if ($filter) {
// Clean filter variable
$filter = $db->quote('%' . $db->escape(StringHelper::strtolower($filter), true) . '%', false);
$query->where($db->quoteName('a.opened_by') . ' LIKE ' . $filter);
}
$filter = $this->state->get('filter.category');
if ($filter && is_numeric($filter)) {
$categoryModel = new CategoryModel($db);
// If the category filter equals -1, that means we want issues without category.
if ($filter == -1) {
$issues = $categoryModel->getIssueIdsWithCategory();
} else {
$issues = $categoryModel->getIssueIdsByCategory($filter);
}
if ($issues != null) {
$issueId = array();
foreach ($issues as $issue) {
$issueId[] = $issue->issue_id;
}
$issueId = implode(', ', $issueId);
} else {
$issueId = 0;
}
// Handle the no category filter
if ($filter == -1) {
$query->where($db->quoteName('a.id') . ' NOT IN (' . $issueId . ')');
} else {
$query->where($db->quoteName('a.id') . ' IN (' . $issueId . ')');
}
}
$filter = $this->state->get('filter.label');
if ($filter && is_numeric($filter)) {
$query->where('FIND_IN_SET(' . $filter . ', ' . $db->quoteName('a.labels') . ')');
}
$filter = $this->state->get('filter.tests');
if ($filter && is_numeric($filter)) {
// Common query elements
$query->leftJoin($db->quoteName('#__issues_tests', 'it') . 'ON a.id = it.item_id')->where($db->quoteName('a.has_code') . ' = 1')->group('a.issue_number');
switch ($filter) {
case 1:
$query->where($db->quoteName('it.result') . ' = 1')->having('COUNT(it.item_id) = 1');
break;
case 2:
$query->where($db->quoteName('it.result') . ' = 1')->having('COUNT(it.item_id) > 1');
break;
case 3:
$query->having('COUNT(it.item_id) = 0');
break;
}
}
$filter = $this->state->get('filter.easytest');
if ($filter && is_numeric($filter)) {
$query->where($db->quoteName('a.easy') . ' = ' . (int) $filter);
}
return $query;
}
/**
* Get an item by alias
*
* @param string $alias The alias of the category
*
* @return object
*
* @since 1.0
*/
public function getByAlias($alias = '')
{
$db = $this->getDb();
$query = $db->getQuery(true);
$projectId = $this->getProject()->project_id;
$query->select('*')->from('#__issues_categories')->where($db->quoteName('project_id') . '=' . $projectId);
$filter = new InputFilter();
$alias = $filter->clean($alias, 'cmd');
if ($alias) {
$alias = $db->quote('%' . $db->escape(StringHelper::strtolower($alias), true) . '%', false);
$query->where($db->quoteName('alias') . ' LIKE ' . $alias);
}
$item = $db->setQuery($query)->loadObject();
return $item;
}
/**
* Returns substring of characters around a searchword.
*
* @param string $text The source string.
* @param integer $searchword Number of chars to return.
*
* @return string
*
* @since 1.5
*/
public static function _smartSubstr($text, $searchword)
{
$lang = JFactory::getLanguage();
$length = $lang->getSearchDisplayedCharactersNumber();
$ltext = self::remove_accents($text);
$textlen = StringHelper::strlen($ltext);
$lsearchword = StringHelper::strtolower(self::remove_accents($searchword));
$wordfound = false;
$pos = 0;
while ($wordfound === false && $pos < $textlen) {
if (($wordpos = @StringHelper::strpos($ltext, ' ', $pos + $length)) !== false) {
$chunk_size = $wordpos - $pos;
} else {
$chunk_size = $length;
}
$chunk = StringHelper::substr($ltext, $pos, $chunk_size);
$wordfound = StringHelper::strpos(StringHelper::strtolower($chunk), $lsearchword);
if ($wordfound === false) {
$pos += $chunk_size + 1;
}
}
if ($wordfound !== false) {
return ($pos > 0 ? '... ' : '') . StringHelper::substr($text, $pos, $chunk_size) . ' ...';
} else {
if (($wordpos = @StringHelper::strpos($text, ' ', $length)) !== false) {
return StringHelper::substr($text, 0, $wordpos) . ' ...';
} else {
return StringHelper::substr($text, 0, $length);
}
}
}
/**
* Method to auto-populate the model state. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field. [optional]
* @param string $direction An optional direction. [optional]
*
* @return void
*
* @since 2.5
*/
protected function populateState($ordering = null, $direction = null)
{
// Get the configuration options.
$app = JFactory::getApplication();
$input = $app->input;
$params = $app->getParams();
$user = JFactory::getUser();
$filter = JFilterInput::getInstance();
$this->setState('filter.language', JLanguageMultilang::isEnabled());
// Setup the stemmer.
if ($params->get('stem', 1) && $params->get('stemmer', 'porter_en')) {
FinderIndexerHelper::$stemmer = FinderIndexerStemmer::getInstance($params->get('stemmer', 'porter_en'));
}
$request = $input->request;
$options = array();
// Get the empty query setting.
$options['empty'] = $params->get('allow_empty_query', 0);
// Get the static taxonomy filters.
$options['filter'] = $request->getInt('f', $params->get('f', ''));
// Get the dynamic taxonomy filters.
$options['filters'] = $request->get('t', $params->get('t', array()), '', 'array');
// Get the query string.
$options['input'] = $request->getString('q', $params->get('q', ''));
// Get the query language.
$options['language'] = $request->getCmd('l', $params->get('l', ''));
// Get the start date and start date modifier filters.
$options['date1'] = $request->getString('d1', $params->get('d1', ''));
$options['when1'] = $request->getString('w1', $params->get('w1', ''));
// Get the end date and end date modifier filters.
$options['date2'] = $request->getString('d2', $params->get('d2', ''));
$options['when2'] = $request->getString('w2', $params->get('w2', ''));
// Load the query object.
$this->query = new FinderIndexerQuery($options);
// Load the query token data.
$this->excludedTerms = $this->query->getExcludedTermIds();
$this->includedTerms = $this->query->getIncludedTermIds();
$this->requiredTerms = $this->query->getRequiredTermIds();
// Load the list state.
$this->setState('list.start', $input->get('limitstart', 0, 'uint'));
$this->setState('list.limit', $input->get('limit', $app->get('list_limit', 20), 'uint'));
/* Load the sort ordering.
* Currently this is 'hard' coded via menu item parameter but may not satisfy a users need.
* More flexibility was way more user friendly. So we allow the user to pass a custom value
* from the pool of fields that are indexed like the 'title' field.
* Also, we allow this parameter to be passed in either case (lower/upper).
*/
$order = $input->getWord('filter_order', $params->get('sort_order', 'relevance'));
$order = StringHelper::strtolower($order);
switch ($order) {
case 'date':
$this->setState('list.ordering', 'l.start_date');
break;
case 'price':
$this->setState('list.ordering', 'l.list_price');
break;
case $order == 'relevance' && !empty($this->includedTerms):
$this->setState('list.ordering', 'm.weight');
break;
// Custom field that is indexed and might be required for ordering
// Custom field that is indexed and might be required for ordering
case 'title':
$this->setState('list.ordering', 'l.title');
break;
default:
$this->setState('list.ordering', 'l.link_id');
break;
}
/* Load the sort direction.
* Currently this is 'hard' coded via menu item parameter but may not satisfy a users need.
* More flexibility was way more user friendly. So we allow to be inverted.
* Also, we allow this parameter to be passed in either case (lower/upper).
*/
$dirn = $input->getWord('filter_order_Dir', $params->get('sort_direction', 'desc'));
$dirn = StringHelper::strtolower($dirn);
switch ($dirn) {
case 'asc':
$this->setState('list.direction', 'ASC');
break;
default:
case 'desc':
$this->setState('list.direction', 'DESC');
break;
}
// Set the match limit.
$this->setState('match.limit', 1000);
// Load the parameters.
$this->setState('params', $params);
// Load the user state.
$this->setState('user.id', (int) $user->get('id'));
$this->setState('user.groups', $user->getAuthorisedViewLevels());
}
/**
* Method to process the query input string and extract required, optional,
* and excluded tokens; taxonomy filters; and date filters.
*
* @param string $input The query input string.
* @param string $lang The query input language.
* @param string $mode The query matching mode.
*
* @return boolean True on success.
*
* @since 2.5
* @throws Exception on database error.
*/
protected function processString($input, $lang, $mode)
{
// Clean up the input string.
$input = html_entity_decode($input, ENT_QUOTES, 'UTF-8');
$input = StringHelper::strtolower($input);
$input = preg_replace('#\\s+#mi', ' ', $input);
$input = StringHelper::trim($input);
$debug = JFactory::getConfig()->get('debug_lang');
/*
* First, we need to handle string based modifiers. String based
* modifiers could potentially include things like "category:blah" or
* "before:2009-10-21" or "type:article", etc.
*/
$patterns = array('before' => JText::_('COM_FINDER_FILTER_WHEN_BEFORE'), 'after' => JText::_('COM_FINDER_FILTER_WHEN_AFTER'));
// Add the taxonomy branch titles to the possible patterns.
foreach (FinderIndexerTaxonomy::getBranchTitles() as $branch) {
// Add the pattern.
$patterns[$branch] = StringHelper::strtolower(JText::_(FinderHelperLanguage::branchSingular($branch)));
}
// Container for search terms and phrases.
$terms = array();
$phrases = array();
// Cleared filter branches.
$cleared = array();
/*
* Compile the suffix pattern. This is used to match the values of the
* filter input string. Single words can be input directly, multi-word
* values have to be wrapped in double quotes.
*/
$quotes = html_entity_decode('‘’'', ENT_QUOTES, 'UTF-8');
$suffix = '(([\\w\\d' . $quotes . '-]+)|\\"([\\w\\d\\s' . $quotes . '-]+)\\")';
/*
* Iterate through the possible filter patterns and search for matches.
* We need to match the key, colon, and a value pattern for the match
* to be valid.
*/
foreach ($patterns as $modifier => $pattern) {
$matches = array();
if ($debug) {
$pattern = substr($pattern, 2, -2);
}
// Check if the filter pattern is in the input string.
if (preg_match('#' . $pattern . '\\s*:\\s*' . $suffix . '#mi', $input, $matches)) {
// Get the value given to the modifier.
$value = isset($matches[3]) ? $matches[3] : $matches[1];
// Now we have to handle the filter string.
switch ($modifier) {
// Handle a before and after date filters.
case 'before':
case 'after':
// Get the time offset.
$offset = JFactory::getApplication()->get('offset');
// Array of allowed when values.
$whens = array('before', 'after', 'exact');
// The value of 'today' is a special case that we need to handle.
if ($value === StringHelper::strtolower(JText::_('COM_FINDER_QUERY_FILTER_TODAY'))) {
$value = JFactory::getDate('now', $offset)->format('%Y-%m-%d');
}
// Try to parse the date string.
$date = JFactory::getDate($value, $offset);
// Check if the date was parsed successfully.
if ($date->toUnix() !== null) {
// Set the date filter.
$this->date1 = $date->toSql();
$this->when1 = in_array($modifier, $whens) ? $modifier : 'before';
}
break;
// Handle a taxonomy branch filter.
// Handle a taxonomy branch filter.
default:
// Try to find the node id.
$return = FinderIndexerTaxonomy::getNodeByTitle($modifier, $value);
// Check if the node id was found.
if ($return) {
// Check if the branch has been cleared.
if (!in_array($modifier, $cleared)) {
// Clear the branch.
$this->filters[$modifier] = array();
// Add the branch to the cleared list.
$cleared[] = $modifier;
}
// Add the filter to the list.
$this->filters[$modifier][$return->title] = (int) $return->id;
}
break;
}
// Clean up the input string again.
$input = str_replace($matches[0], '', $input);
$input = preg_replace('#\\s+#mi', ' ', $input);
$input = StringHelper::trim($input);
}
}
/*
* Extract the tokens enclosed in double quotes so that we can handle
* them as phrases.
*/
if (StringHelper::strpos($input, '"') !== false) {
$matches = array();
// Extract the tokens enclosed in double quotes.
if (preg_match_all('#\\"([^"]+)\\"#mi', $input, $matches)) {
/*
* One or more phrases were found so we need to iterate through
* them, tokenize them as phrases, and remove them from the raw
* input string before we move on to the next processing step.
*/
foreach ($matches[1] as $key => $match) {
// Find the complete phrase in the input string.
$pos = StringHelper::strpos($input, $matches[0][$key]);
$len = StringHelper::strlen($matches[0][$key]);
// Add any terms that are before this phrase to the stack.
if (StringHelper::trim(StringHelper::substr($input, 0, $pos))) {
$terms = array_merge($terms, explode(' ', StringHelper::trim(StringHelper::substr($input, 0, $pos))));
}
// Strip out everything up to and including the phrase.
$input = StringHelper::substr($input, $pos + $len);
// Clean up the input string again.
$input = preg_replace('#\\s+#mi', ' ', $input);
$input = StringHelper::trim($input);
// Get the number of words in the phrase.
$parts = explode(' ', $match);
// Check if the phrase is longer than three words.
if (count($parts) > 3) {
/*
* If the phrase is longer than three words, we need to
* break it down into smaller chunks of phrases that
* are less than or equal to three words. We overlap
* the chunks so that we can ensure that a match is
* found for the complete phrase and not just portions
* of it.
*/
for ($i = 0, $c = count($parts); $i < $c; $i += 2) {
// Set up the chunk.
$chunk = array();
// The chunk has to be assembled based on how many
// pieces are available to use.
switch ($c - $i) {
/*
* If only one word is left, we can break from
* the switch and loop because the last word
* was already used at the end of the last
* chunk.
*/
case 1:
break 2;
// If there words are left, we use them both as
// the last chunk of the phrase and we're done.
// If there words are left, we use them both as
// the last chunk of the phrase and we're done.
case 2:
$chunk[] = $parts[$i];
$chunk[] = $parts[$i + 1];
break;
// If there are three or more words left, we
// build a three word chunk and continue on.
// If there are three or more words left, we
// build a three word chunk and continue on.
default:
$chunk[] = $parts[$i];
$chunk[] = $parts[$i + 1];
$chunk[] = $parts[$i + 2];
break;
}
// If the chunk is not empty, add it as a phrase.
if (count($chunk)) {
$phrases[] = implode(' ', $chunk);
$terms[] = implode(' ', $chunk);
}
}
} else {
// The phrase is <= 3 words so we can use it as is.
$phrases[] = $match;
$terms[] = $match;
}
}
}
}
// Add the remaining terms if present.
if (!empty($input)) {
$terms = array_merge($terms, explode(' ', $input));
}
// An array of our boolean operators. $operator => $translation
$operators = array('AND' => StringHelper::strtolower(JText::_('COM_FINDER_QUERY_OPERATOR_AND')), 'OR' => StringHelper::strtolower(JText::_('COM_FINDER_QUERY_OPERATOR_OR')), 'NOT' => StringHelper::strtolower(JText::_('COM_FINDER_QUERY_OPERATOR_NOT')));
// If language debugging is enabled you need to ignore the debug strings in matching.
if (JDEBUG) {
$debugStrings = array('**', '??');
$operators = str_replace($debugStrings, '', $operators);
}
/*
* Iterate through the terms and perform any sorting that needs to be
* done based on boolean search operators. Terms that are before an
* and/or/not modifier have to be handled in relation to their operator.
*/
for ($i = 0, $c = count($terms); $i < $c; $i++) {
// Check if the term is followed by an operator that we understand.
if (isset($terms[$i + 1]) && in_array($terms[$i + 1], $operators)) {
// Get the operator mode.
$op = array_search($terms[$i + 1], $operators);
// Handle the AND operator.
if ($op === 'AND' && isset($terms[$i + 2])) {
// Tokenize the current term.
$token = FinderIndexerHelper::tokenize($terms[$i], $lang, true);
$token = $this->getTokenData($token);
// Set the required flag.
$token->required = true;
// Add the current token to the stack.
$this->included[] = $token;
$this->highlight = array_merge($this->highlight, array_keys($token->matches));
// Skip the next token (the mode operator).
$this->operators[] = $terms[$i + 1];
// Tokenize the term after the next term (current plus two).
$other = FinderIndexerHelper::tokenize($terms[$i + 2], $lang, true);
$other = $this->getTokenData($other);
// Set the required flag.
$other->required = true;
// Add the token after the next token to the stack.
$this->included[] = $other;
$this->highlight = array_merge($this->highlight, array_keys($other->matches));
// Remove the processed phrases if possible.
if (($pk = array_search($terms[$i], $phrases)) !== false) {
unset($phrases[$pk]);
}
if (($pk = array_search($terms[$i + 2], $phrases)) !== false) {
unset($phrases[$pk]);
}
// Remove the processed terms.
unset($terms[$i]);
unset($terms[$i + 1]);
unset($terms[$i + 2]);
// Adjust the loop.
$i += 2;
continue;
} elseif ($op === 'OR' && isset($terms[$i + 2])) {
// Tokenize the current term.
$token = FinderIndexerHelper::tokenize($terms[$i], $lang, true);
$token = $this->getTokenData($token);
// Set the required flag.
$token->required = false;
// Add the current token to the stack.
if (count($token->matches)) {
$this->included[] = $token;
$this->highlight = array_merge($this->highlight, array_keys($token->matches));
} else {
$this->ignored[] = $token;
}
// Skip the next token (the mode operator).
$this->operators[] = $terms[$i + 1];
// Tokenize the term after the next term (current plus two).
$other = FinderIndexerHelper::tokenize($terms[$i + 2], $lang, true);
$other = $this->getTokenData($other);
// Set the required flag.
$other->required = false;
// Add the token after the next token to the stack.
if (count($other->matches)) {
$this->included[] = $other;
$this->highlight = array_merge($this->highlight, array_keys($other->matches));
} else {
$this->ignored[] = $other;
}
// Remove the processed phrases if possible.
if (($pk = array_search($terms[$i], $phrases)) !== false) {
unset($phrases[$pk]);
}
if (($pk = array_search($terms[$i + 2], $phrases)) !== false) {
unset($phrases[$pk]);
}
// Remove the processed terms.
unset($terms[$i]);
unset($terms[$i + 1]);
unset($terms[$i + 2]);
// Adjust the loop.
$i += 2;
continue;
}
} elseif (isset($terms[$i + 1]) && array_search($terms[$i], $operators) === 'OR') {
// Skip the next token (the mode operator).
$this->operators[] = $terms[$i];
// Tokenize the next term (current plus one).
$other = FinderIndexerHelper::tokenize($terms[$i + 1], $lang, true);
$other = $this->getTokenData($other);
// Set the required flag.
$other->required = false;
// Add the token after the next token to the stack.
if (count($other->matches)) {
$this->included[] = $other;
$this->highlight = array_merge($this->highlight, array_keys($other->matches));
} else {
$this->ignored[] = $other;
}
// Remove the processed phrase if possible.
if (($pk = array_search($terms[$i + 1], $phrases)) !== false) {
unset($phrases[$pk]);
}
// Remove the processed terms.
unset($terms[$i]);
unset($terms[$i + 1]);
// Adjust the loop.
$i++;
continue;
} elseif (isset($terms[$i + 1]) && array_search($terms[$i], $operators) === 'NOT') {
// Skip the next token (the mode operator).
$this->operators[] = $terms[$i];
// Tokenize the next term (current plus one).
$other = FinderIndexerHelper::tokenize($terms[$i + 1], $lang, true);
$other = $this->getTokenData($other);
// Set the required flag.
$other->required = false;
// Add the next token to the stack.
if (count($other->matches)) {
$this->excluded[] = $other;
} else {
$this->ignored[] = $other;
}
// Remove the processed phrase if possible.
if (($pk = array_search($terms[$i + 1], $phrases)) !== false) {
unset($phrases[$pk]);
}
// Remove the processed terms.
unset($terms[$i]);
unset($terms[$i + 1]);
// Adjust the loop.
$i++;
continue;
}
}
/*
* Iterate through any search phrases and tokenize them. We handle
* phrases as autonomous units and do not break them down into two and
* three word combinations.
*/
for ($i = 0, $c = count($phrases); $i < $c; $i++) {
// Tokenize the phrase.
$token = FinderIndexerHelper::tokenize($phrases[$i], $lang, true);
$token = $this->getTokenData($token);
// Set the required flag.
$token->required = true;
// Add the current token to the stack.
$this->included[] = $token;
$this->highlight = array_merge($this->highlight, array_keys($token->matches));
// Remove the processed term if possible.
if (($pk = array_search($phrases[$i], $terms)) !== false) {
unset($terms[$pk]);
}
// Remove the processed phrase.
unset($phrases[$i]);
}
/*
* Handle any remaining tokens using the standard processing mechanism.
*/
if (!empty($terms)) {
// Tokenize the terms.
$terms = implode(' ', $terms);
$tokens = FinderIndexerHelper::tokenize($terms, $lang, false);
// Make sure we are working with an array.
$tokens = is_array($tokens) ? $tokens : array($tokens);
// Get the token data and required state for all the tokens.
foreach ($tokens as $token) {
// Get the token data.
$token = $this->getTokenData($token);
// Set the required flag for the token.
$token->required = $mode === 'AND' ? $token->phrase ? false : true : false;
// Add the token to the appropriate stack.
if (count($token->matches) || $token->required) {
$this->included[] = $token;
$this->highlight = array_merge($this->highlight, array_keys($token->matches));
} else {
$this->ignored[] = $token;
}
}
}
return true;
}
/**
* Get the master query for retrieving a list of articles subject to the model state.
*
* @return JDatabaseQuery
*
* @since 1.6
*/
protected function getListQuery()
{
// Get the current user for authorisation checks
$user = JFactory::getUser();
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Select the required fields from the table.
$query->select($this->getState('list.select', 'a.id, a.title, a.alias, a.introtext, a.fulltext, ' . 'a.checked_out, a.checked_out_time, ' . 'a.catid, a.created, a.created_by, a.created_by_alias, ' . 'CASE WHEN a.modified = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.modified END as modified, ' . 'a.modified_by, uam.name as modified_by_name,' . 'CASE WHEN a.publish_up = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.publish_up END as publish_up,' . 'a.publish_down, a.images, a.urls, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, ' . 'a.hits, a.xreference, a.featured, a.language, ' . ' ' . $query->length('a.fulltext') . ' AS readmore'));
// Process an Archived Article layout
if ($this->getState('filter.published') == 2) {
// If badcats is not null, this means that the article is inside an archived category
// In this case, the state is set to 2 to indicate Archived (even if the article state is Published)
$query->select($this->getState('list.select', 'CASE WHEN badcats.id is null THEN a.state ELSE 2 END AS state'));
} else {
/*
Process non-archived layout
If badcats is not null, this means that the article is inside an unpublished category
In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)
*/
$query->select($this->getState('list.select', 'CASE WHEN badcats.id is not null THEN 0 ELSE a.state END AS state'));
}
$query->from('#__content AS a');
$params = $this->getState('params');
$orderby_sec = $params->get('orderby_sec');
// Join over the frontpage articles if required.
if ($this->getState('filter.frontpage')) {
if ($orderby_sec == 'front') {
$query->join('INNER', '#__content_frontpage AS fp ON fp.content_id = a.id');
} else {
$query->where('a.featured = 1');
}
} elseif ($orderby_sec == 'front' || $this->getState('list.ordering') == 'fp.ordering') {
$query->join('LEFT', '#__content_frontpage AS fp ON fp.content_id = a.id');
}
// Join over the categories.
$query->select('c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias')->join('LEFT', '#__categories AS c ON c.id = a.catid');
// Join over the users for the author and modified_by names.
$query->select("CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author")->select("ua.email AS author_email")->join('LEFT', '#__users AS ua ON ua.id = a.created_by')->join('LEFT', '#__users AS uam ON uam.id = a.modified_by');
// Join over the categories to get parent category titles
$query->select('parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias')->join('LEFT', '#__categories as parent ON parent.id = c.parent_id');
if (JPluginHelper::isEnabled('content', 'vote')) {
// Join on voting table
$query->select('COALESCE(NULLIF(ROUND(v.rating_sum / v.rating_count, 0), 0), 0) AS rating,
COALESCE(NULLIF(v.rating_count, 0), 0) as rating_count')->join('LEFT', '#__content_rating AS v ON a.id = v.content_id');
}
// Join to check for category published state in parent categories up the tree
$query->select('c.published, CASE WHEN badcats.id is null THEN c.published ELSE 0 END AS parents_published');
$subquery = 'SELECT cat.id as id FROM #__categories AS cat JOIN #__categories AS parent ';
$subquery .= 'ON cat.lft BETWEEN parent.lft AND parent.rgt ';
$subquery .= 'WHERE parent.extension = ' . $db->quote('com_content');
if ($this->getState('filter.published') == 2) {
// Find any up-path categories that are archived
// If any up-path categories are archived, include all children in archived layout
$subquery .= ' AND parent.published = 2 GROUP BY cat.id ';
// Set effective state to archived if up-path category is archived
$publishedWhere = 'CASE WHEN badcats.id is null THEN a.state ELSE 2 END';
} else {
// Find any up-path categories that are not published
// If all categories are published, badcats.id will be null, and we just use the article state
$subquery .= ' AND parent.published != 1 GROUP BY cat.id ';
// Select state to unpublished if up-path category is unpublished
$publishedWhere = 'CASE WHEN badcats.id is null THEN a.state ELSE 0 END';
}
$query->join('LEFT OUTER', '(' . $subquery . ') AS badcats ON badcats.id = c.id');
// Filter by access level.
if ($access = $this->getState('filter.access')) {
$groups = implode(',', $user->getAuthorisedViewLevels());
$query->where('a.access IN (' . $groups . ')')->where('c.access IN (' . $groups . ')');
}
// Filter by published state
$published = $this->getState('filter.published');
if (is_numeric($published)) {
// Use article state if badcats.id is null, otherwise, force 0 for unpublished
$query->where($publishedWhere . ' = ' . (int) $published);
} elseif (is_array($published)) {
$published = ArrayHelper::toInteger($published);
$published = implode(',', $published);
// Use article state if badcats.id is null, otherwise, force 0 for unpublished
$query->where($publishedWhere . ' IN (' . $published . ')');
}
// Filter by featured state
$featured = $this->getState('filter.featured');
switch ($featured) {
case 'hide':
$query->where('a.featured = 0');
break;
case 'only':
$query->where('a.featured = 1');
break;
case 'show':
default:
// Normally we do not discriminate
// between featured/unfeatured items.
break;
}
// Filter by a single or group of articles.
$articleId = $this->getState('filter.article_id');
if (is_numeric($articleId)) {
$type = $this->getState('filter.article_id.include', true) ? '= ' : '<> ';
$query->where('a.id ' . $type . (int) $articleId);
} elseif (is_array($articleId)) {
$articleId = ArrayHelper::toInteger($articleId);
$articleId = implode(',', $articleId);
$type = $this->getState('filter.article_id.include', true) ? 'IN' : 'NOT IN';
$query->where('a.id ' . $type . ' (' . $articleId . ')');
}
// Filter by a single or group of categories
$categoryId = $this->getState('filter.category_id');
if (is_numeric($categoryId)) {
$type = $this->getState('filter.category_id.include', true) ? '= ' : '<> ';
// Add subcategory check
$includeSubcategories = $this->getState('filter.subcategories', false);
$categoryEquals = 'a.catid ' . $type . (int) $categoryId;
if ($includeSubcategories) {
$levels = (int) $this->getState('filter.max_category_levels', '1');
// Create a subquery for the subcategory list
$subQuery = $db->getQuery(true)->select('sub.id')->from('#__categories as sub')->join('INNER', '#__categories as this ON sub.lft > this.lft AND sub.rgt < this.rgt')->where('this.id = ' . (int) $categoryId);
if ($levels >= 0) {
$subQuery->where('sub.level <= this.level + ' . $levels);
}
// Add the subquery to the main query
$query->where('(' . $categoryEquals . ' OR a.catid IN (' . (string) $subQuery . '))');
} else {
$query->where($categoryEquals);
}
} elseif (is_array($categoryId) && count($categoryId) > 0) {
$categoryId = ArrayHelper::toInteger($categoryId);
$categoryId = implode(',', $categoryId);
if (!empty($categoryId)) {
$type = $this->getState('filter.category_id.include', true) ? 'IN' : 'NOT IN';
$query->where('a.catid ' . $type . ' (' . $categoryId . ')');
}
}
// Filter by author
$authorId = $this->getState('filter.author_id');
$authorWhere = '';
if (is_numeric($authorId)) {
$type = $this->getState('filter.author_id.include', true) ? '= ' : '<> ';
$authorWhere = 'a.created_by ' . $type . (int) $authorId;
} elseif (is_array($authorId)) {
$authorId = ArrayHelper::toInteger($authorId);
$authorId = implode(',', $authorId);
if ($authorId) {
$type = $this->getState('filter.author_id.include', true) ? 'IN' : 'NOT IN';
$authorWhere = 'a.created_by ' . $type . ' (' . $authorId . ')';
}
}
// Filter by author alias
$authorAlias = $this->getState('filter.author_alias');
$authorAliasWhere = '';
if (is_string($authorAlias)) {
$type = $this->getState('filter.author_alias.include', true) ? '= ' : '<> ';
$authorAliasWhere = 'a.created_by_alias ' . $type . $db->quote($authorAlias);
} elseif (is_array($authorAlias)) {
$first = current($authorAlias);
if (!empty($first)) {
foreach ($authorAlias as $key => $alias) {
$authorAlias[$key] = $db->quote($alias);
}
$authorAlias = implode(',', $authorAlias);
if ($authorAlias) {
$type = $this->getState('filter.author_alias.include', true) ? 'IN' : 'NOT IN';
$authorAliasWhere = 'a.created_by_alias ' . $type . ' (' . $authorAlias . ')';
}
}
}
if (!empty($authorWhere) && !empty($authorAliasWhere)) {
$query->where('(' . $authorWhere . ' OR ' . $authorAliasWhere . ')');
} elseif (empty($authorWhere) && empty($authorAliasWhere)) {
// If both are empty we don't want to add to the query
} else {
// One of these is empty, the other is not so we just add both
$query->where($authorWhere . $authorAliasWhere);
}
// Define null and now dates
$nullDate = $db->quote($db->getNullDate());
$nowDate = $db->quote(JFactory::getDate()->toSql());
// Filter by start and end dates.
if (!$user->authorise('core.edit.state', 'com_content') && !$user->authorise('core.edit', 'com_content')) {
$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
}
// Filter by Date Range or Relative Date
$dateFiltering = $this->getState('filter.date_filtering', 'off');
$dateField = $this->getState('filter.date_field', 'a.created');
switch ($dateFiltering) {
case 'range':
$startDateRange = $db->quote($this->getState('filter.start_date_range', $nullDate));
$endDateRange = $db->quote($this->getState('filter.end_date_range', $nullDate));
$query->where('(' . $dateField . ' >= ' . $startDateRange . ' AND ' . $dateField . ' <= ' . $endDateRange . ')');
break;
case 'relative':
$relativeDate = (int) $this->getState('filter.relative_date', 0);
$query->where($dateField . ' >= DATE_SUB(' . $nowDate . ', INTERVAL ' . $relativeDate . ' DAY)');
break;
case 'off':
default:
break;
}
// Process the filter for list views with user-entered filters
if (is_object($params) && $params->get('filter_field') != 'hide' && ($filter = $this->getState('list.filter'))) {
// Clean filter variable
$filter = StringHelper::strtolower($filter);
$hitsFilter = (int) $filter;
$filter = $db->quote('%' . $db->escape($filter, true) . '%', false);
switch ($params->get('filter_field')) {
case 'author':
$query->where('LOWER( CASE WHEN a.created_by_alias > ' . $db->quote(' ') . ' THEN a.created_by_alias ELSE ua.name END ) LIKE ' . $filter . ' ');
break;
case 'hits':
$query->where('a.hits >= ' . $hitsFilter . ' ');
break;
case 'title':
default:
// Default to 'title' if parameter is not valid
$query->where('LOWER( a.title ) LIKE ' . $filter);
break;
}
}
// Filter by language
if ($this->getState('filter.language')) {
$query->where('a.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
}
// Filter by a single tag.
$tagId = $this->getState('filter.tag');
if (!empty($tagId) && is_numeric($tagId)) {
$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap') . ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id') . ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article'));
}
// Add the list ordering clause.
$query->order($this->getState('list.ordering', 'a.ordering') . ' ' . $this->getState('list.direction', 'ASC'));
return $query;
}
/**
* Import locations from TXT or XML file.
* The TXT file comes from geodata.org
* The XML file is generated by the current extension ( Crowdfunding )
*
* @param string $file A path to file
* @param array $options
*/
public function importLocations($file, array $options)
{
$ext = StringHelper::strtolower(JFile::getExt($file));
if (strcmp($ext, 'xml') === 0) {
$this->importLocationsXml($file, $options);
} else {
// Import from file.
$this->importLocationsTxt($file, $options);
}
}
*
* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\String\StringHelper;
// Get the mime type class.
$mime = !empty($this->result->mime) ? 'mime-' . $this->result->mime : null;
$show_description = $this->params->get('show_description', 1);
if ($show_description) {
// Calculate number of characters to display around the result
$term_length = StringHelper::strlen($this->query->input);
$desc_length = $this->params->get('description_length', 255);
$pad_length = $term_length < $desc_length ? (int) floor(($desc_length - $term_length) / 2) : 0;
// Find the position of the search term
$pos = $term_length ? StringHelper::strpos(StringHelper::strtolower($this->result->description), StringHelper::strtolower($this->query->input)) : false;
// Find a potential start point
$start = $pos && $pos > $pad_length ? $pos - $pad_length : 0;
// Find a space between $start and $pos, start right after it.
$space = StringHelper::strpos($this->result->description, ' ', $start > 0 ? $start - 1 : 0);
$start = $space && $space < $pos ? $space + 1 : $start;
$description = JHtml::_('string.truncate', StringHelper::substr($this->result->description, $start), $desc_length, true);
}
$route = $this->result->route;
// Get the route with highlighting information.
if (!empty($this->query->highlight) && empty($this->result->mime) && $this->params->get('highlight_terms', 1) && JPluginHelper::isEnabled('system', 'highlight')) {
$route .= '&highlight=' . base64_encode(json_encode($this->query->highlight));
}
?>
<li>
