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Fiddle with it a bit, but it looks like further investigation is needed.

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This commit is contained in:
Starbeamrainbowlabs 2020-03-15 18:26:17 +00:00
parent d131666ff5
commit 99f920f11d
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
2 changed files with 29 additions and 26 deletions
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33
modules/feature-search-didyoumean.php
View file

@ -40,6 +40,7 @@ register_module([
if(module_exists("feature-cli")) {
cli_register("didyoumean", "Query and manipulate the didyoumean index", function(array $args) : int {
global $settings;
if(count($args) < 1) {
echo("didyoumean: query and manipulate the didyoumean index
Usage:
@ -47,7 +48,8 @@ Usage:
Subcommands:
rebuild Rebuilds the didyoumean index
correct {word} Corrects {word} using the didyoumean index (careful: it's case-sensitive and operates on transliterated text *only*)
correct {word} Corrects {word} using the didyoumean index (careful: the index is case-sensitive and operates on transliterated text *only*)
lookup {word} Looks up {word} in the didyoumean index and displays all the (unsorted) results.
");
return 0;
}
@ -57,12 +59,25 @@ Subcommands:
search::didyoumean_rebuild();
break;
case "correct":
search::didyoumean_load();
if(count($args) < 2) {
echo("Error: Not enough arguments\n");
return 1;
}
echo("Correction: ".search::didyoumean_correct($args[1])."\n");
$correction = search::didyoumean_correct($args[1]);
if($correction === null) $correction = "(nothing found)";
echo("Correction: $correction\n");
break;
case "lookup":
if(count($args) < 2) {
echo("Error: Not enough arguments\n");
return 1;
}
search::didyoumean_load();
$results = search::$didyoumeanindex->lookup(
$args[1],
$settings->search_didyoumean_editdistance
);
var_dump($results);
break;
}
@ -324,18 +339,6 @@ class BkTree {
return $stack;
}
/**
* Convenience function that returns just the first result when looking up a string.
* @param string $string The string to lookup
* @param integer $distance The maximum edit distance to search.
* @return string|null The first matching string, or null if no results were found.
*/
public function lookup_one(string $string, int $distance = 1) : ?string {
$result = $this->lookup($string, $distance, 1);
if(empty($result)) return null;
return $result[0];
}
/**
* Generator that walks the BK-Tree and iteratively yields results.
* Note that the returned array is *not* sorted.

22
modules/lib-search-engine.php
View file

@ -86,7 +86,7 @@ class search
* Only populated if the feature-search-didyoumean module is present.
* @var BkTree
*/
private static $didyoumeanindex = null;
public static $didyoumeanindex = null;
/**
* The transliterator that can be used to transliterate strings.
@ -670,26 +670,26 @@ class search
"exact" => $exact // If true then we shouldn't try to autocorrect it
];
}
// Correct typos, but only if that's enabled
if(module_exists("feature-search-didyoumean") && $settings->search_didyoumean_enabled) {
foreach($result["terms"] as $term_data) {
if($term_data["exact"] || // Skip exact-only
$term_data["weight"] < 1 || // Skip stop & irrelevant words
self::invindex_term_exists($term_data["term"])) continue;
$terms_count = count($result["terms"]);
for($i = 0; $i < $terms_count; $i++) {
if($result["terms"][$i]["exact"] || // Skip exact-only
$result["terms"][$i]["weight"] < 1 || // Skip stop & irrelevant words
self::invindex_term_exists($result["terms"][$i]["term"])) continue;
// It's not a stop word or in the index, try and correct it
// self::didyoumean_correct auto-loads the didyoumean index on-demand
$correction = self::didyoumean_correct($term_data["term"]);
$correction = self::didyoumean_correct($result["terms"][$i]["term"]);
// Make a note if we fail to correct a term
if(!is_string($correction)) {
$term_data["corrected"] = false;
$result["terms"][$i]["corrected"] = false;
continue;
}
$term_data["term_before"] = $term_data["term"];
$term_data["term"] = $correction;
$term_data["corrected"] = true;
$result["terms"][$i]["term_before"] = $result["terms"][$i]["term"];
$result["terms"][$i]["term"] = $correction;
$result["terms"][$i]["corrected"] = true;
}
}