mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-12-22 13:45:02 +00:00
Seriously optimise the search system via some profiling.
This commit is contained in:
parent
67648199d7
commit
3d3b6c491a
GPG key ID:
1BE5172E637709C2
4 changed files with 50 additions and 42 deletions
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@ -397,7 +397,7 @@ if($settings->sessionprefix == "auto")
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/////////////////////////////////////////////////////////////////////////////
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/** The version of Pepperminty Wiki currently running. */
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$version = "v0.17-dev";
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$commit = "75b6b6c55fa9710d82b6623971581db7c6c5309b";
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$commit = "67648199d7ebd8a1b2ec400af0192dc0bb94b233";
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/// Environment ///
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/** Holds information about the current request environment. */
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$env = new stdClass();
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@ -792,7 +792,7 @@ function starts_with($haystack, $needle)
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function mb_stripos_all($haystack, $needle) {
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$s = 0; $i = 0;
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while(is_integer($i)) {
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$i = function_exists("mb_stripos") ? mb_stripos($haystack, $needle, $s) : stripos($haystack, $needle, $s);
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$i = mb_stripos($haystack, $needle, $s);
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if(is_integer($i)) {
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$aStrPos[] = $i;
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$s = $i + (function_exists("mb_strlen") ? mb_strlen($needle) : strlen($needle));
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@ -1268,10 +1268,12 @@ class ids
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public static function getid($pagename)
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{
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global $idindex;
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$pagename_norm = Normalizer::normalize($pagename, Normalizer::FORM_C);
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foreach ($idindex as $id => $entry)
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{
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if(Normalizer::normalize($entry, Normalizer::FORM_C) == Normalizer::normalize($pagename, Normalizer::FORM_C))
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// We don't need to normalise here because we normralise when assigning ids
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if($entry == $pagename_norm)
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return $id;
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}
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@ -3782,12 +3784,16 @@ register_module([
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header("x-invindex-decode-time: {$env->perfdata->invindex_decode_time}ms");
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header("x-invindex-query-time: {$env->perfdata->invindex_query_time}ms");
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$start = microtime(true);
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foreach($results as &$result) {
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$result["context"] = search::extract_context(
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$invindex, ids::getid($result["pagename"]),
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$_GET["query"],
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file_get_contents($env->storage_prefix . $result["pagename"] . ".md")
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);
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}
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$env->perfdata->context_generation_time = round((microtime(true) - $start)*1000, 3);
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header("x-context-generation-time: {$env->perfdata->context_generation_time}ms");
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$env->perfdata->search_time = round((microtime(true) - $search_start)*1000, 3);
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@ -4208,7 +4214,7 @@ class search
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public static function tokenize($source)
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{
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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static $literator; if($literator == null) $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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// We don't need to normalise here because the transliterator handles
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// this for us. Also, we can't move the literator to a static variable
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@ -4237,9 +4243,6 @@ class search
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{
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global $pageindex, $env, $paths, $settings;
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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if($output) {
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header("content-type: text/event-stream");
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ob_end_flush();
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@ -4415,7 +4418,7 @@ class search
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global $settings, $pageindex;
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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static $literator; if($literator == null) $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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$query_terms = self::tokenize($query);
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$matching_pages = [];
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@ -4436,7 +4439,7 @@ class search
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if(isset($invindex[$qterm]))
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{
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// Loop over each page in the inverted index entry
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reset($invindex); // Reset array/object pointer
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reset($invindex[$qterm]); // Reset array/object pointer
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foreach($invindex[$qterm] as $pageid => $page_entry)
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{
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// Create an entry in the matching pages array if it doesn't exist
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@ -4486,7 +4489,7 @@ class search
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}
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}
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reset($matching_pages);
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foreach($matching_pages as $pageid => &$pagedata)
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{
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$pagedata["pagename"] = ids::getpagename($pageid);
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@ -4495,6 +4498,7 @@ class search
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$pageOffsets = [];
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// Loop over each search term found on this page
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reset($pagedata["nterms"]);
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foreach($pagedata["nterms"] as $pterm => $entry)
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{
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// Add the number of occurrences of this search term to the ranking
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@ -4554,23 +4558,23 @@ class search
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* @param string $source The page source to extract the context from.
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* @return string The generated context string.
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*/
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public static function extract_context($query, $source)
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public static function extract_context($invindex, $pageid, $query, $source)
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{
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global $settings;
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$nterms = self::tokenize($query);
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$matches = [];
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// Loop over each nterm and find it in the source
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foreach($nterms as $nterm)
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{
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if(in_array($nterm, static::$stop_words))
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foreach($nterms as $nterm) {
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// Skip over words that don't appear in the inverted index (e.g. stop words)
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if(!isset($invindex[$nterm]))
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continue;
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$all_offsets = mb_stripos_all($source, $nterm);
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// Skip over adding matches if there aren't any
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if($all_offsets === false)
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// Skip if the page isn't found in the inverted index for this word
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if(!isset($invindex[$nterm][$pageid]))
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continue;
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foreach($all_offsets as $offset)
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$matches[] = [ $nterm, $offset ];
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foreach($invindex[$nterm][$pageid]["offsets"] as $next_offset)
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$matches[] = [ $nterm, $next_offset ];
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}
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// Sort the matches by offset
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8
core.php
8
core.php
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@ -405,7 +405,7 @@ function starts_with($haystack, $needle)
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function mb_stripos_all($haystack, $needle) {
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$s = 0; $i = 0;
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while(is_integer($i)) {
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$i = function_exists("mb_stripos") ? mb_stripos($haystack, $needle, $s) : stripos($haystack, $needle, $s);
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$i = mb_stripos($haystack, $needle, $s);
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if(is_integer($i)) {
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$aStrPos[] = $i;
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$s = $i + (function_exists("mb_strlen") ? mb_strlen($needle) : strlen($needle));
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@ -881,10 +881,12 @@ class ids
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public static function getid($pagename)
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{
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global $idindex;
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$pagename_norm = Normalizer::normalize($pagename, Normalizer::FORM_C);
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foreach ($idindex as $id => $entry)
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{
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if(Normalizer::normalize($entry, Normalizer::FORM_C) == Normalizer::normalize($pagename, Normalizer::FORM_C))
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// We don't need to normalise here because we normralise when assigning ids
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if($entry == $pagename_norm)
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return $id;
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}
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@ -104,7 +104,7 @@
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"author": "Starbeamrainbowlabs",
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"description": "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
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"id": "feature-search",
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"lastupdate": 1529968213,
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"lastupdate": 1530018727,
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"optional": false
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},
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{
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@ -138,12 +138,16 @@ register_module([
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header("x-invindex-decode-time: {$env->perfdata->invindex_decode_time}ms");
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header("x-invindex-query-time: {$env->perfdata->invindex_query_time}ms");
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$start = microtime(true);
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foreach($results as &$result) {
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$result["context"] = search::extract_context(
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$invindex, ids::getid($result["pagename"]),
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$_GET["query"],
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file_get_contents($env->storage_prefix . $result["pagename"] . ".md")
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);
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}
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$env->perfdata->context_generation_time = round((microtime(true) - $start)*1000, 3);
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header("x-context-generation-time: {$env->perfdata->context_generation_time}ms");
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$env->perfdata->search_time = round((microtime(true) - $search_start)*1000, 3);
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@ -564,7 +568,7 @@ class search
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public static function tokenize($source)
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{
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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static $literator; if($literator == null) $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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// We don't need to normalise here because the transliterator handles
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// this for us. Also, we can't move the literator to a static variable
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@ -593,9 +597,6 @@ class search
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{
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global $pageindex, $env, $paths, $settings;
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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if($output) {
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header("content-type: text/event-stream");
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ob_end_flush();
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@ -771,7 +772,7 @@ class search
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global $settings, $pageindex;
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/** Normalises input characters for searching & indexing */
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static $literator; $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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static $literator; if($literator == null) $literator = Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;', Transliterator::FORWARD);
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$query_terms = self::tokenize($query);
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$matching_pages = [];
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@ -792,7 +793,7 @@ class search
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if(isset($invindex[$qterm]))
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{
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// Loop over each page in the inverted index entry
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reset($invindex); // Reset array/object pointer
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reset($invindex[$qterm]); // Reset array/object pointer
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foreach($invindex[$qterm] as $pageid => $page_entry)
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{
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// Create an entry in the matching pages array if it doesn't exist
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@ -842,7 +843,7 @@ class search
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}
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}
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reset($matching_pages);
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foreach($matching_pages as $pageid => &$pagedata)
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{
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$pagedata["pagename"] = ids::getpagename($pageid);
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@ -851,6 +852,7 @@ class search
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$pageOffsets = [];
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// Loop over each search term found on this page
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reset($pagedata["nterms"]);
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foreach($pagedata["nterms"] as $pterm => $entry)
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{
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// Add the number of occurrences of this search term to the ranking
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@ -910,23 +912,23 @@ class search
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* @param string $source The page source to extract the context from.
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* @return string The generated context string.
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*/
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public static function extract_context($query, $source)
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public static function extract_context($invindex, $pageid, $query, $source)
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{
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global $settings;
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$nterms = self::tokenize($query);
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$matches = [];
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// Loop over each nterm and find it in the source
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foreach($nterms as $nterm)
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{
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if(in_array($nterm, static::$stop_words))
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foreach($nterms as $nterm) {
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// Skip over words that don't appear in the inverted index (e.g. stop words)
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if(!isset($invindex[$nterm]))
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continue;
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$all_offsets = mb_stripos_all($source, $nterm);
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// Skip over adding matches if there aren't any
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if($all_offsets === false)
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// Skip if the page isn't found in the inverted index for this word
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if(!isset($invindex[$nterm][$pageid]))
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continue;
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foreach($all_offsets as $offset)
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$matches[] = [ $nterm, $offset ];
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foreach($invindex[$nterm][$pageid]["offsets"] as $next_offset)
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$matches[] = [ $nterm, $next_offset ];
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}
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// Sort the matches by offset
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