mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-11-22 16:33:00 +00:00
67 lines
1.7 KiB
PHP
67 lines
1.7 KiB
PHP
<?php
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register_module([
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"name" => "Search",
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"version" => "0.1",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds proper search functionality to Pepperminty Wiki. Note that this module, at the moment, just contains test code while I figure out how best to write a search engine.",
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"id" => "feature-search",
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"code" => function() {
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add_action("index", function() {
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global $settings, $env;
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$breakable_chars = "\r\n\t .,\\/!\"£$%^&*[]()+`_~#";
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header("content-type: text/plain");
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$source = file_get_contents("$env->page.md");
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$source_length = strlen($source);
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$index = [];
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var_dump($env->page);
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var_dump($source);
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echo("source length: $source_length\n");
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$basepos = 0;
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$scanpos = $basepos;
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while($basepos < $source_length)
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{
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$word = "";
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do {
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// Break if we reach the end of the source text
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if($scanpos >= $source_length) break;
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$word .= $source[$scanpos];
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$scanpos++;
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} while(strpos($breakable_chars, $source[$scanpos]) === false);
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// Move the base position up to the scan position (plus one to
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// skip over the breakable character), saving the old base
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// position for later
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$word_start_pos = $basepos;
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$basepos = $scanpos + 1;
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// Continue if the word is empty
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if(strlen($word) === 0) continue;
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// Normalise the word to be lowercase
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$word = strtolower($word);
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var_dump($word);
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// Initialise the entry in the index if it doesn't exist
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if(!isset($index[$word]))
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{
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$index[$word] = [
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"freq" => 0,
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"offsets" => []
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];
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}
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// Update the index entry
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$index[$word]["freq"]++;
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$index[$word]["offsets"][] = $word_start_pos;
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}
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var_dump($index);
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});
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}
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]);
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?>
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