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#!/usr/bin/env php
<?php
declare(strict_types=1);
if (
!(is_file($file = __DIR__ . '/../vendor/autoload.php') && include $file) &&
!(is_file($file = __DIR__ . '/../../../autoload.php') && include $file)
) {
fwrite(STDERR, "Install packages using Composer.\n");
exit(1);
}
if (function_exists('pcntl_signal')) {
pcntl_signal(SIGINT, function (): void {
pcntl_signal(SIGINT, SIG_DFL);
echo "Terminated\n";
exit(1);
});
} elseif (function_exists('sapi_windows_set_ctrl_handler')) {
sapi_windows_set_ctrl_handler(function () {
echo "Terminated\n";
exit(1);
});
}
set_time_limit(0);
echo '
Latte linter
------------
';
if ($argc < 2) {
echo "Usage: latte-lint <path>\n";
exit(1);
}
$ok = scanPath($argv[1]);
exit($ok ? 0 : 1);
function scanPath(string $path): bool
{
echo "Scanning $path\n";
$it = new RecursiveDirectoryIterator($path);
$it = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::LEAVES_ONLY);
$it = new RegexIterator($it, '~\.latte$~');
$counter = 0;
$success = true;
$latte = createLatte();
foreach ($it as $file) {
echo str_pad(str_repeat('.', $counter++ % 40), 40), "\x0D";
$success = lintLatte($latte, (string) $file) && $success;
}
echo str_pad('', 40), "\x0D";
echo "Done.\n";
return $success;
}
function createLatte(): Latte\Engine
{
$latte = new Latte\Engine;
$latte->setLoader(new Latte\Loaders\StringLoader);
if (class_exists(Nette\Bridges\CacheLatte\CacheMacro::class)) {
$latte->getCompiler()->addMacro('cache', new Nette\Bridges\CacheLatte\CacheMacro);
}
if (class_exists(Nette\Bridges\ApplicationLatte\UIMacros::class)) {
Nette\Bridges\ApplicationLatte\UIMacros::install($latte->getCompiler());
}
if (class_exists(Nette\Bridges\FormsLatte\FormMacros::class)) {
Nette\Bridges\FormsLatte\FormMacros::install($latte->getCompiler());
}
return $latte;
}
function lintLatte(Latte\Engine $latte, string $file): bool
{
set_error_handler(function (int $severity, string $message) use ($file) {
if ($severity === E_USER_DEPRECATED) {
fwrite(STDERR, "[DEPRECATED] $file $message\n");
return null;
}
return false;
});
$s = file_get_contents($file);
if (substr($s, 0, 3) === "\xEF\xBB\xBF") {
fwrite(STDERR, "[WARNING] $file contains BOM\n");
$contents = substr($s, 3);
}
try {
$code = $latte->compile($s);
} catch (Latte\CompileException $e) {
fwrite(STDERR, "[ERROR] $file {$e->getMessage()}\n");
return false;
} finally {
restore_error_handler();
}
if ($error = lintPHP($code)) {
fwrite(STDERR, "[ERROR] $file $error\n");
return false;
}
return true;
}
function lintPHP(string $code): ?string
{
$php = defined('PHP_BINARY') ? PHP_BINARY : 'php';
$stdin = tmpfile();
fwrite($stdin, $code);
fseek($stdin, 0);
$process = proc_open(
$php . ' -l -d display_errors=1',
[$stdin, ['pipe', 'w'], ['pipe', 'w']],
$pipes,
null,
null,
['bypass_shell' => true],
);
if (!is_resource($process)) {
return 'Unable to lint PHP code';
}
$error = stream_get_contents($pipes[1]);
if (proc_close($process)) {
return strip_tags(explode("\n", $error)[1]);
}
return null;
}