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Reduce number of calls to stas_parse()
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3 changed files with 21 additions and 18 deletions
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@ -47,6 +47,7 @@ This file holds the changelog for Pepperminty Wiki. This is the master list of t
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- Optimisation: Refactor `stas_split()` to be faster (informal testing shows ~18% faster → 4% total time)
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- [Module Api] Optimisation: Remove `search::transliterate` because it has a huge overhead. Use `search::$literator->transliterate()` instead.
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- [Module Api] Add new `absolute` and `html` optional boolean arguments to `render_timestamp()`
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- [Module Api] `search::extract_context()` and `search::highlight_context()` now take in a _parsed_ query (with `search::stas_parse()`), not a raw string
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## v0.20.3-hotfix3
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@ -1,7 +1,7 @@
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<?php
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register_module([
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"name" => "Search",
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"version" => "0.13",
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"version" => "0.13.1",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
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"id" => "feature-search",
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@ -141,7 +141,8 @@ register_module([
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$env->perfdata->invindex_decode_time = round((microtime(true) - $time_start)*1000, 3);
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$time_start = microtime(true);
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$results = search::invindex_query($_GET["query"]);
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$query_parsed = null;
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$results = search::invindex_query($_GET["query"], $query_parsed);
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$resultCount = count($results);
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$env->perfdata->invindex_query_time = round((microtime(true) - $time_start)*1000, 3);
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@ -152,7 +153,7 @@ register_module([
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foreach($results as &$result) {
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$result["context"] = search::extract_context(
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$result["pagename"],
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$_GET["query"],
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$query_parsed,
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file_get_contents($env->storage_prefix . $result["pagename"] . ".md")
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);
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}
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@ -203,7 +204,7 @@ register_module([
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$content .= "<br /><small><em>Pssst! Power users can make use of $settings->sitename's advanced query syntax. Learn about it <a href='?action=help#27-search'>here</a>!</em></small></p>";
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if(module_exists("page-list")) {
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// TODO: Refactor ths to use STAS
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// TODO: Refactor this to use STAS
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$nterms = search::tokenize($query);
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$nterms_regex = implode("|", array_map(function($nterm) {
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return preg_quote(strtolower(trim($nterm)));
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@ -236,7 +237,7 @@ register_module([
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$context = mb_substr($pagesource, 0, $settings->search_characters_context * 2);
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//echo("'Generated search context for " . $result["pagename"] . ": $context'\n");
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$context = search::highlight_context(
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$_GET["query"],
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$query_parsed,
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preg_replace('/</u', '<', $context)
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);
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/*if(strlen($context) == 0)
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@ -1,7 +1,7 @@
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<?php
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register_module([
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"name" => "Library: Search engine",
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"version" => "0.13",
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"version" => "0.13.1",
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"author" => "Starbeamrainbowlabs",
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"description" => "A library module that provides the backend to the search engine module.",
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"id" => "lib-search-engine",
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@ -670,16 +670,17 @@ class search
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"exact" => $exact // If true then we shouldn't try to autocorrect it
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];
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}
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// Correct typos, but only if that's enabled
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if(module_exists("feature-search-didyoumean") && $settings->search_didyoumean_enabled) {
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$terms_count = count($result["terms"]);
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for($i = 0; $i < $terms_count; $i++) {
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error_log("[stas_parse/didyoumean] Now looking at #$i: ".var_export($result["terms"][$i], true)."(total count: $terms_count)");
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// error_log("[stas_parse/didyoumean] Now looking at #$i: ".var_export($result["terms"][$i], true)."(total count: $terms_count)");
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if($result["terms"][$i]["exact"] || // Skip exact-only
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$result["terms"][$i]["weight"] < 1 || // Skip stop & irrelevant words
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self::invindex_term_exists($result["terms"][$i]["term"])) {
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$i++; continue;
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}
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self::invindex_term_exists($result["terms"][$i]["term"]))
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continue;
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// It's not a stop word or in the index, try and correct it
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// self::didyoumean_correct auto-loads the didyoumean index on-demand
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@ -687,7 +688,7 @@ class search
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// Make a note if we fail to correct a term
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if(!is_string($correction)) {
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$result["terms"][$i]["corrected"] = false;
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$i++; continue;
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continue;
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}
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$result["terms"][$i]["term_before"] = $result["terms"][$i]["term"];
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@ -718,7 +719,7 @@ class search
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* Note that this automatically pushes the query string through STAS which
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* can be a fairly expensive operation, so use 2nd argument if you need
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* to debug the STAS parsing result if possible.
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* @param string $query The search query.
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* @param string $query The search query. If an array is passed, it is assumed it has already been pre-parsed with search::stas_parse().
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* @param &stdClass $query_stas An object to fill with the result of the STAS parsing.
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* @return array An array of matching pages.
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*/
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@ -892,16 +893,16 @@ class search
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* Extracts a context string (in HTML) given a search query that could be displayed
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* in a list of search results.
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* @param string $pagename The name of the paget that this source belongs to. Used when consulting the inverted index.
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* @param string $query The search queary to generate the context for.
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* @param string $query_parsed The *parsed* search query to generate the context for (basically the output of search::stas_parse()).
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* @param string $source The page source to extract the context from.
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* @return string The generated context string.
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*/
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public static function extract_context($pagename, $query, $source)
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public static function extract_context($pagename, $query_parsed, $source)
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{
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global $settings;
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$pageid = ids::getid($pagename);
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$nterms = self::stas_parse(self::stas_split($query))["terms"];
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$nterms = $query_parsed["terms"];
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// Query the inverted index for offsets
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$matches = [];
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@ -978,13 +979,13 @@ class search
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/**
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* Highlights the keywords of a context string.
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* @param string $query The query to use when highlighting.
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* @param array $query_parsed The *parsed* query to use when highlighting (the output of search::stas_parse())
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* @param string $context The context string to highlight.
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* @return string The highlighted (HTML) string.
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*/
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public static function highlight_context($query, $context)
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public static function highlight_context($query_parsed, $context)
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{
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$qterms = self::stas_parse(self::stas_split($query))["terms"];
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$qterms = $query_parsed["terms"];
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foreach($qterms as $qterm) {
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// Stop words are marked by STAS
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