"Search",
"version" => "0.2.1",
"author" => "Starbeamrainbowlabs",
"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.",
"id" => "feature-search",
"code" => function() {
/*
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*/
add_action("index", function() {
global $settings, $env;
$breakable_chars = "\r\n\t .,\\/!\"£$%^&*[]()+`_~#";
header("content-type: text/plain");
$source = file_get_contents("$env->storage_prefix$env->page.md");
$index = search::index($source);
var_dump($env->page);
var_dump($source);
var_dump($index);
});
/*
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*/
add_action("invindex-rebuild", function() {
search::rebuild_invindex();
});
/*
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*/
add_action("search", function() {
global $settings, $env, $pageindex, $paths;
// Create the inverted index if it doesn't exist.
// todo In the future perhaps a CLI for this would be good?
if(!file_exists($paths->searchindex))
search::rebuild_invindex();
if(!isset($_GET["query"]))
exit(page_renderer::render("No Search Terms - Error - $settings->sitename", "You didn't specify any search terms. Try typing some into the box above.
"));
$search_start = microtime(true);
$invindex = search::load_invindex($paths->searchindex);
$results = search::query_invindex($_GET["query"], $invindex);
$search_end = microtime(true) - $search_start;
$title = $_GET["query"] . " - Search results - $settings->sitename";
$content = "\n";
$content .= "Search Results
";
/// Search Box ///
$content .= "";
$query = $_GET["query"];
if(isset($pageindex->$query))
{
$content .= "There's a page on $settings->sitename called $query.
";
}
else
{
$content .= "There isn't a page called $query on $settings->sitename, but you ";
if((!$settings->anonedits && !$env->is_logged_in) || !$settings->editing)
{
$content .= "do not have permission to create it.";
if(!$env->is_logged_in)
{
$content .= " You could try logging in.";
}
}
else
{
$content .= "can create it.
";
}
}
$i = 0; // todo use $_GET["offset"] and $_GET["result-count"] or something
foreach($results as $result)
{
$link = "?page=" . rawurlencode($result["pagename"]);
$pagesource = file_get_contents($env->storage_prefix . $result["pagename"] . ".md");
$context = search::extract_context($_GET["query"], $pagesource);
$context = search::highlight_context($_GET["query"], $context);
/*if(strlen($context) == 0)
{
$context = search::strip_markup(file_get_contents("$env->page.md", null, null, null, $settings->search_characters_context * 2));
if($pageindex->{$env->page}->size > $settings->search_characters_context * 2)
$context .= "...";
}*/
// We add 1 to $i here to convert it from an index to a result
// number as people expect it to start from 1
$content .= "\n";
$content .= "
\n";
$content .= "
$context
\n";
$content .= "