www-data
475765e31f
Add an explicit template renderer with HTML views and partials for the app, bootstrap, package, and catalog pages. Move shared reporting setup into config/reporting.php and relocate stylesheet assets under css/.
101 lines
2.7 KiB
PHP
101 lines
2.7 KiB
PHP
<?php
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/*
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* Small explicit template renderer.
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*
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* Templates use escaped {{name}} placeholders and raw {{{name}}} placeholders.
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* Values are provided as an array, so templates do not depend on globals.
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*/
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final class RacketSandboxTemplate
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{
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const DATA_DELIMITER = "\n===\n";
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public static function renderFile($template, $values)
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{
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$parts = self::readFile($template);
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return self::renderString($parts['html'], $values);
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}
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public static function dataFile($template)
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{
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$parts = self::readFile($template);
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$json = trim($parts['data']);
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if ($json === '') {
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return array();
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}
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$data = json_decode($json, true);
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if (!is_array($data)) {
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throw new RuntimeException('Template data is invalid JSON: ' . $template);
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}
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return $data;
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}
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public static function translationsFile($template)
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{
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$data = self::dataFile($template);
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$translations = $data['translations'] ?? array();
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if (!is_array($translations)) {
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throw new RuntimeException('Template translations must be an object: ' . $template);
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}
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return $translations;
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}
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public static function renderString($source, $values)
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{
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$source = preg_replace_callback('/\{\{\{\s*([A-Za-z0-9_.-]+)\s*\}\}\}/', function ($match) use ($values) {
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return self::value($values, $match[1]);
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}, $source);
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return preg_replace_callback('/\{\{\s*([A-Za-z0-9_.-]+)\s*\}\}/', function ($match) use ($values) {
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return self::escape(self::value($values, $match[1]));
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}, $source);
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}
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public static function escape($value)
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{
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return htmlspecialchars((string)$value, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
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}
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private static function value($values, $name)
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{
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if (!is_array($values) || !array_key_exists($name, $values)) {
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return '';
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}
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return (string)$values[$name];
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}
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private static function readFile($template)
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{
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$file = __DIR__ . '/views/' . ltrim((string)$template, '/');
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if (!is_file($file)) {
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throw new RuntimeException('Template not found: ' . $template);
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}
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$source = file_get_contents($file);
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if ($source === false) {
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throw new RuntimeException('Template could not be read: ' . $template);
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}
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if (strpos($source, "===\n") === 0) {
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$chunks = array('', substr($source, 4));
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} else {
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$chunks = explode(self::DATA_DELIMITER, $source, 2);
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}
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return array(
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'html' => $chunks[0],
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'data' => $chunks[1] ?? '',
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);
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}
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}
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