StaticTemplateResolver.php

<?php declare(strict_types=1);

namespace Computator\FrameworkUtils\PHPTemplate;

use function array_key_exists;
use function is_array;

/**
 * Maps a static array of template names to template content.
 *
 * # Example
 *
 * ```php
 * <?php
 * new StaticTemplateResolver(
 * 	[
 * 		'tpl_one' => "Template one contents",
 * 		'tpl_two' => <<<'EOT'
 * 			Template <?= number_format(1 + 1) ?> contents
 * 			EOT,
 * 	],
 * 	Templates\PHPString::class,
 * );
 * ```
 */
class StaticTemplateResolver extends TemplateResolver {
	public function __construct(
		protected array $templates,
		string $new_template_class = Templates\PHPString::class,
	) {
		parent::__construct($new_template_class);
	}

	protected function map(string $template): Templates\Base {
		if (!array_key_exists($template, $this->templates))
			throw new Exceptions\TemplateNotFoundException("template '{$template}' not found");
		$args = is_array($this->templates[$template])
			? $this->templates[$template]
			: [$this->templates[$template]];
		return new $this->new_template_class(...$args);
	}
}