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<?php declare(strict_types=1);
/*
* This file is part of phpunit/php-text-template.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Template;
use function array_keys;
use function array_merge;
use function file_get_contents;
use function file_put_contents;
use function is_file;
use function sprintf;
use function str_replace;
final class Template
{
private string $template = '';
private string $openDelimiter;
private string $closeDelimiter;
/**
* @psalm-var array<string,string>
*/
private array $values = [];
/**
* @throws InvalidArgumentException
*/
public function __construct(string $file = '', string $openDelimiter = '{', string $closeDelimiter = '}')
{
$this->setFile($file);
$this->openDelimiter = $openDelimiter;
$this->closeDelimiter = $closeDelimiter;
}
/**
* @throws InvalidArgumentException
*/
public function setFile(string $file): void
{
if (is_file($file)) {
$this->template = file_get_contents($file);
return;
}
$distFile = $file . '.dist';
if (is_file($distFile)) {
$this->template = file_get_contents($distFile);
return;
}
throw new InvalidArgumentException(
sprintf(
'Failed to load template "%s"',
$file
)
);
}
/**
* @psalm-param array<string,string> $values
*/
public function setVar(array $values, bool $merge = true): void
{
if (!$merge || empty($this->values)) {
$this->values = $values;
return;
}
$this->values = array_merge($this->values, $values);
}
public function render(): string
{
$keys = [];
foreach (array_keys($this->values) as $key) {
$keys[] = $this->openDelimiter . $key . $this->closeDelimiter;
}
return str_replace($keys, $this->values, $this->template);
}
/**
* @codeCoverageIgnore
*/
public function renderTo(string $target): void
{
if (!@file_put_contents($target, $this->render())) {
throw new RuntimeException(
sprintf(
'Writing rendered result to "%s" failed',
$target
)
);
}
}
}
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