'. t('Sphinx search module provides a fast and scalable alternative to Drupal core search for content. Sphinx search implementation is based on XMLPipe source type and support for main+delta index scheme.') .'';
return $output;
case 'admin/settings/sphinxsearch':
return ''. t('You can adjust the settings below to tweak the Sphinx behaviour.') .'
';
case 'sphinxsearch#noresults':
return t('Suggestions:
- Make sure all words are spelled correctly.
- Try different or more general keywords.
- Consider using less restrictive filters.
');
}
}
/**
* Implementation of hook_theme()
*/
function sphinxsearch_theme() {
return array(
'sphinxsearch_search_results' => array(
'arguments' => array('search_options' => NULL, 'search_results' => NULL),
),
'sphinxsearch_faceted_block' => array(
'arguments' => array('facets' => NULL),
),
'sphinxsearch_tagadelic_block' => array(
'arguments' => array('tags' => NULL),
),
'sphinxsearch_tagadelic_more' => array(
'arguments' => array('vid' => NULL),
),
'sphinxsearch_tagadelic_page' => array(
'arguments' => array('blocks' => NULL),
),
);
}
/**
* Implementation of hook_perm().
*/
function sphinxsearch_perm() {
return array('use sphinxsearch', 'administer sphinxsearch');
}
/**
* Implementation of hook_init().
*/
function sphinxsearch_init() {
// We need our own CSS in all pages because of tagadelic and similar blocks.
drupal_add_css(drupal_get_path('module', 'sphinxsearch') .'/sphinxsearch.css');
}
/**
* Implementation of hook_menu().
*/
function sphinxsearch_menu() {
$items = array();
$items['admin/settings/sphinxsearch'] = array(
'title' => 'Sphinx search',
'page callback' => 'drupal_get_form',
'page arguments' => array('sphinxsearch_settings'),
'access arguments' => array('administer sphinxsearch'),
'file' => 'sphinxsearch.admin.inc',
);
$items['admin/settings/sphinxsearch/settings'] = array(
'title' => 'Settings',
'description' => 'Administer Sphinx search module settings',
'access arguments' => array('administer sphinxsearch'),
'weight' => -10,
'type' => MENU_DEFAULT_LOCAL_TASK,
);
$items['admin/settings/sphinxsearch/check-connection'] = array(
'title' => 'Check connection',
'description' => 'Check connection to Sphinx searchd daemon',
'page callback' => 'sphinxsearch_check_connection_page',
'access arguments' => array('administer sphinxsearch'),
'weight' => 10,
'type' => MENU_LOCAL_TASK,
'file' => 'sphinxsearch.admin.inc',
);
$items[sphinxsearch_get_search_path()] = array(
'title' => 'Search',
'page callback' => 'sphinxsearch_search_page',
'access arguments' => array('use sphinxsearch'),
'type' => MENU_SUGGESTED_ITEM,
'file' => 'sphinxsearch.pages.inc',
);
if (module_exists('taxonomy') && !module_exists('tagadelic')) {
$items['tagadelic'] = array(
'title' => 'Tags',
'page callback' => 'sphinxsearch_tagadelic_page',
'access arguments' => array('use sphinxsearch'),
'type' => MENU_SUGGESTED_ITEM,
);
}
return $items;
}
/**
* Implementation of hook_block().
*/
function sphinxsearch_block($op = 'list', $delta = 0, $edit = array()) {
if ($op == 'list') {
$blocks = array(
'searchbox' => array('info' => t('Sphinx search box')),
);
if (module_exists('taxonomy')) {
foreach (sphinxsearch_get_enabled_vocabularies() as $vid => $vocabulary) {
$blocks['tags'. $vid] = array('info' => t('Sphinx tags in @vocabulary', array('@vocabulary' => $vocabulary->name)));
}
$blocks['faceted'] = array('info' => t('Sphinx faceted search'));
}
return $blocks;
}
else if ($op == 'configure') {
if ($delta != 'searchbox') {
if (preg_match('#^(faceted|tags([0-9]+))$#', $delta, $match)) {
$vid = (isset($match[2]) ? (int)$match[2] : 0);
$blockmode = ($match[1] == 'faceted' ? 'faceted' : 'tagadelic');
$vocabularies = sphinxsearch_get_enabled_vocabularies();
if ($blockmode == 'faceted' || ($blockmode == 'tagadelic' && isset($vocabularies[$vid]))) {
$suffix = ($blockmode == 'tagadelic' ? '_'. $vid : '');
$form['sortmode'] = array(
'#type' => 'radios',
'#title' => t('Tagadelic sort order'),
'#options' => array(
'weight,asc' => t('by weight, ascending'),
'weight,desc' => t('by weight, descending'),
'title,asc' => t('by title, ascending'),
'title,desc' => t('by title, descending'),
'random,none' => t('random')
),
'#default_value' => variable_get('sphinxsearch_block_'. $blockmode .'_sortmode'. $suffix, 'title,asc'),
'#description' => t('Determines the sort order of the tags in the cloud.'),
);
$form['tags'] = array(
'#type' => 'select',
'#title' => t('Tags to show'),
'#options' => drupal_map_assoc(array(5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100)),
'#default_value' => variable_get('sphinxsearch_block_'. $blockmode .'_tags'. $suffix, 20),
'#description' => t('The number of tags to show in this block.'),
);
$form['levels'] = array(
'#type' => 'select',
'#title' => t('Number of levels'),
'#options' => drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)),
'#default_value' => variable_get('sphinxsearch_block_'. $blockmode .'_levels'. $suffix, 10),
'#description' => t('The number of levels between the least popular tags and the most popular ones. Different levels will be assigned a different class to be themed (see sphinxsearch.css).'),
);
if ($blockmode == 'tagadelic') {
$form['linkto'] = array(
'#type' => 'radios',
'#title' => t('Terms in the cloud link to'),
'#options' => array(
'taxonomy' => t('Taxonomy managed.'),
'search' => t('Search results with predefined filters.'),
),
'#default_value' => variable_get('sphinxsearch_block_'. $blockmode .'_linkto'. $suffix, 'search'),
'#description' => t('Determines where the links of terms in the tag cloud should point to.'),
);
}
return $form;
}
}
}
}
else if ($op == 'save') {
if ($delta != 'searchbox') {
if (preg_match('#^(faceted|tags([0-9]+))$#', $delta, $match)) {
$vid = (isset($match[2]) ? (int)$match[2] : 0);
$blockmode = ($match[1] == 'faceted' ? 'faceted' : 'tagadelic');
$vocabularies = sphinxsearch_get_enabled_vocabularies();
if ($blockmode == 'faceted' || ($blockmode == 'tagadelic' && isset($vocabularies[$vid]))) {
$suffix = ($blockmode == 'tagadelic' ? '_'. $vid : '');
variable_set('sphinxsearch_block_'. $blockmode .'_sortmode'. $suffix, $edit['sortmode']);
variable_set('sphinxsearch_block_'. $blockmode .'_tags'. $suffix, $edit['tags']);
variable_set('sphinxsearch_block_'. $blockmode .'_levels'. $suffix, $edit['levels']);
if ($blockmode == 'tagadelic') {
variable_set('sphinxsearch_block_'. $blockmode .'_linkto'. $suffix, $edit['linkto']);
}
}
}
}
}
else if ($op == 'view') {
if (!user_access('use sphinxsearch') || sphinxsearch_flood_limit_exceeded()) {
return;
}
if ($delta == 'searchbox') {
// Hide block if current page is search.
if (!sphinxsearch_is_search_path()) {
return array(
'subject' => t('Search'),
'content' => drupal_get_form('sphinxsearch_search_box'),
);
}
}
else if (preg_match('#^(faceted|tags([0-9]+))$#', $delta, $match)) {
$vid = (isset($match[2]) ? (int)$match[2] : 0);
$blockmode = ($match[1] == 'faceted' ? 'faceted' : 'tagadelic');
if ($blockmode == 'tagadelic') {
// Tagadelic box for selected vocabulary.
$vocabularies = sphinxsearch_get_enabled_vocabularies();
if (isset($vocabularies[$vid])) {
$tags = sphinxsearch_tagadelic_build_data(array(
'type' => 'taxonomy', 'vid' => $vid,
'count' => (int)variable_get('sphinxsearch_block_tagadelic_tags_'. $vid, 20),
'levels' => (int)variable_get('sphinxsearch_block_tagadelic_levels_'. $vid, 10),
'sortmode' => variable_get('sphinxsearch_block_tagadelic_sortmode_'. $vid, 'title,asc'),
'linkto' => variable_get('sphinxsearch_block_tagadelic_linkto_'. $vid, 'search'),
));
if (!empty($tags)) {
$content = theme('sphinxsearch_tagadelic_block', $tags);
if (variable_get('sphinxsearch_page_tagadelic_tags', 100) > variable_get('sphinxsearch_block_tagadelic_tags_'. $vid, 20)) {
$content .= theme('sphinxsearch_tagadelic_more', $vid);
}
return array('content' => $content, 'subject' => t('Tags in @vocabulary', array('@vocabulary' => $vocabularies[$vid]->name)));
}
}
}
else if ($blockmode == 'faceted') {
// Faceted search box for all supported grouping methods.
// Rendered only within the context of search pages.
if (sphinxsearch_is_search_path()) {
$facets = sphinxsearch_faceted_build_data(array(
'count' => (int)variable_get('sphinxsearch_block_faceted_tags', 20),
'levels' => (int)variable_get('sphinxsearch_block_faceted_levels', 10),
'sortmode' => variable_get('sphinxsearch_block_faceted_sortmode', 'title,asc'),
));
if (!empty($facets)) {
$content = theme('sphinxsearch_faceted_block', $facets);
return array('content' => $content, 'subject' => t('Faceted search'));
}
}
}
}
}
}
/**
* Render a search box form.
*/
function sphinxsearch_search_box() {
$form = array();
// Build basic search box form.
$form['inline'] = array('#prefix' => '', '#suffix' => '
');
$form['inline']['keys'] = array(
'#type' => 'textfield',
'#size' => 30,
'#default_value' => '',
'#attributes' => array('title' => t('Enter the terms you wish to search for.')),
);
$form['inline']['submit'] = array('#type' => 'submit', '#value' => t('Search'));
return $form;
}
/**
* Process a search box form submission.
*/
function sphinxsearch_search_box_submit($form, &$form_state) {
$query = array();
$keys = preg_replace('#\s+#', ' ', trim($form_state['values']['keys']));
if (!empty($keys)) {
$query['keys'] = $keys;
}
// Transform POST into a GET request.
sphinxsearch_goto_search($query);
}
/**
* Implementation of hook_nodeapi().
*/
function sphinxsearch_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
if ($op == 'delete') {
// Update Sphinx documents when node is deleted.
$enabled_node_types = sphinxsearch_get_enabled_node_types();
if (empty($enabled_node_types) || in_array($node->type, $enabled_node_types)) {
sphinxsearch_delete_node_from_index($node->nid);
}
}
}
/**
* Delete a node from Sphinx indexes.
*
* Sphinx document deletions are updated in realtime using UpdateAttributes()
* API to set the is_deleted attribute of the document to 1.
* These Sphinx updates are sent to all indexes behind a distributed index.
* To completely remove all deleted nodes from Sphinx indexes, it is
* necessary to rebuild main indexes from time to time.
*
* @param int $nid
* Node Identifier.
*/
function sphinxsearch_delete_node_from_index($nid) {
$sphinxsearch_query_index = variable_get('sphinxsearch_query_index', '');
$sphinxsearch = &sphinxsearch_get_client();
$count = $sphinxsearch->UpdateAttributes($sphinxsearch_query_index, array('is_deleted'), array($nid => array(1)));
// Note: count should be number of updated documents, -1 if error.
if ($count <= 0) {
watchdog('sphinxsearch', 'Node @nid could not be deleted from Sphinx index. Sphinx error message: !message', array(
'@nid' => $nid,
'!message' => $sphinxsearch->GetLastError()
), WATCHDOG_WARNING);
}
}
/**
* Obtain PHP memory_limit.
*
* Requirements: PHP needs to be compiled with --enable-memory-limit.
* @see http://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
*
* @return int
* Memory limit in bytes, -1 if error.
*/
function sphinxsearch_get_memory_limit() {
if (!function_exists('memory_get_usage')) {
return -1;
}
$memory_limit = trim(@ini_get('memory_limit'));
if (is_numeric($memory_limit)) {
$memory_limit = (int)$memory_limit;
}
else {
if (!preg_match('#([0-9]+)(K|M|G)#', strtoupper($memory_limit), $matches)) {
return -1;
}
$memory_limit = (int)$matches[1];
switch ($matches[2]) {
case 'G':
$memory_limit *= 1024;
case 'M':
$memory_limit *= 1024;
case 'K':
$memory_limit *= 1024;
}
}
return $memory_limit;
}
/**
* Obtain the text representation of a node.
* All HTML is removed.
*
* @param object reference $node
* Node reference to extract text from.
* @param int $build_mode
* One of the following node build modes:
* - NODE_BUILD_SEARCH_INDEX : Used by the indexer (XMLPipe processing).
* - NODE_BUILD_SEARCH_RESULT: Used to build excerpts in search results.
* @return string
* Text representation of the node.
*/
function sphinxsearch_get_node_text(&$node, $build_mode) {
// Build the node body.
$node->build_mode = $build_mode;
$node = node_build_content($node, FALSE, FALSE);
$node->body = drupal_render($node->content);
// Allow modules to modify the fully-built node.
node_invoke_nodeapi($node, 'alter');
$text = $node->body;
// Fetch extra data normally not visible
$extra = node_invoke_nodeapi($node, 'update index');
foreach ($extra as $t) {
$text .= $t;
}
unset($extra, $t);
// Strip control characters that aren't valid in XML.
$text = sphinxsearch_strip_invalid_xml_codes($text);
// Strip off all tags, but insert space before/after them to keep word boundaries.
$text = str_replace(array('<', '>', '[', ']'), array(' <', '> ', ' ', ' '), $text);
$text = preg_replace('#<(script|style)[^>]*>.*#s', ' ', $text);
$text = strip_tags($text);
// Reduce size a little removing redudant spaces and line breaks.
$text = preg_replace("# +#", ' ', $text);
$text = preg_replace("#(\s*)\n+#", "\n", $text);
return $text;
}
/**
* Strip control characters that aren't valid in XML.
* See http://www.w3.org/International/questions/qa-controls
*/
function sphinxsearch_strip_invalid_xml_codes($text) {
return preg_replace('#[\x00-\x08\x0B\x0C\x0E-\x1F]#S', ' ', $text);
}
/**
* Obtain list of node types enabled to be indexed.
*
* @return array
* list of node types.
*/
function sphinxsearch_get_enabled_node_types() {
static $node_types;
if (!isset($node_types)) {
$node_types = array();
foreach (node_get_types() as $node_type) {
if (variable_get('sphinxsearch_include_node_type_'. $node_type->type, 0)) {
$node_types[] = $node_type->type;
}
}
}
return $node_types;
}
/**
* Build SQL condition for filtering nodes by enabled node types.
*
* @param string $table_alias
* Table alias. Empty by default. Tipical alias for node table is 'n'.
* @return string
* SQL condition.
*/
function sphinxsearch_get_enabled_node_types_condition($table_alias = '') {
static $condition;
if (!isset($condition)) {
$condition = '';
$enabled_node_types = sphinxsearch_get_enabled_node_types();
if (!empty($enabled_node_types)) {
if (count($enabled_node_types) == 1) {
$condition .= "= '". db_escape_string($enabled_node_types[0]) ."'";
}
else {
$types = array();
foreach ($enabled_node_types as $type) {
$types[] = "'". db_escape_string($type) ."'";
}
$condition .= 'IN ('. implode(', ', $types) .')';
}
}
}
if (empty($condition)) {
return '';
}
return (!empty($table_alias) ? $table_alias .'.' : '') .'type '. $condition;
}