mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-11-22 16:33:00 +00:00
Starbeamrainbowlabs
075b2e0966
New functions: - interwiki_pagename_parse - interwiki_pagename_resolve - interwiki_get_pagename_url
92 lines
3.2 KiB
PHP
92 lines
3.2 KiB
PHP
<?php
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register_module([
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"name" => "Interwiki links",
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"version" => "0.1",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds interwiki link support. Point the se",
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"id" => "feature-interwiki-links",
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"code" => function() {
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global $settings;
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if(!empty($settings->interwiki_index_location)) {
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// Generate the interwiki index cache file if it doesn't exist already
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// NOTE: If you want to update the cache file, just delete it & it'll get regenerated automagically :-)
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if(!file_exists($paths->interwiki_index))
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interwiki_index_update();
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else
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$env->interwiki_index = json_decode(file_get_contents($paths->interwiki_index));
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}
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}
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]);
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/**
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* Updates the interwiki index cache file.
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*/
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function interwiki_index_update() {
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$env->interwiki_index = new stdClass();
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$interwiki_csv_handle = fopen($settings->interwiki_index_location, "r");
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if($interwiki_csv_handle === false)
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throw new Exception("Error: Failed to read interwiki index from '{$settings->interwiki_index_location}'.");
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fgetcsv($interwiki_csv_handle); // Discard the header line
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while(($interwiki_data = fgetcsv($interwiki_csv_handle))) {
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$interwiki_def = new stdClass();
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$interwiki_def->name = $interwiki_data[0];
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$interwiki_def->prefix = $interwiki_data[1];
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$interwiki_def->root_url = $interwiki_data[2];
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$env->interwiki_index->$prefix = $interwiki_def;
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}
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file_put_contents($paths->interwiki_index, json_encode($env->interwiki_index, JSON_PRETTY_PRINT));
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}
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/**
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* Parses an interwiki pagename into it's component parts.
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* @param string $interwiki_pagename The interwiki pagename to parse.
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* @return string[] An array containing the parsed components of the interwiki pagename, in the form ["prefix", "page_name"].
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*/
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function interwiki_pagename_parse($interwiki_pagename) {
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if(strpos($interwiki_pagename, ":") === false)
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return null;
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$result = explode(":", $interwiki_pagename, 2);
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return array_map("trim", $result);
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}
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/**
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* Resolves an interwiki pagename to the associated
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* interwiki definition object.
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* @param string $interwiki_pagename An interwiki pagename. Should be in the form "prefix:page name".
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* @return stdClass The interwiki definition object.
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*/
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function interwiki_pagename_resolve($interwiki_pagename) {
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global $env;
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// If it's not an interwiki link, then don't bother confusing ourselves
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if(strpos($interwiki_pagename, ":") === false)
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return null;
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[$prefix, $pagename] = interwiki_pagename_parse($interwiki_pagename); // Shorthand destructuring - introduced in PHP 7.1
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if(empty($env->interwiki_index->$prefix))
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return null;
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return $env->interwiki_index->$prefix;
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}
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/**
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* Converts an interwiki pagename into a url.
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* @param string $interwiki_pagename The interwiki pagename (in the form "prefix:page name")
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* @return string A url that points to the specified interwiki page.
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*/
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function interwiki_get_pagename_url($interwiki_pagename) {
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$interwiki_def = interwiki_pagename_resolve($interwiki_pagename);
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if($interwiki_def == null)
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return null;
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[$prefix, $pagename] = interwiki_pagename_parse($interwiki_pagename);
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return str_replace(
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"{{page_name}}", rawurlencode($pagename),
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$interwiki_def->root_url
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);
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}
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?>
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