/
LintCommand.php
276 lines (221 loc) · 9.88 KB
/
LintCommand.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Yaml\Command;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\CI\GithubActionReporter;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\RuntimeException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Parser;
use Symfony\Component\Yaml\Yaml;
/**
* Validates YAML files syntax and outputs encountered errors.
*
* @author Grégoire Pineau <lyrixx@lyrixx.info>
* @author Robin Chalas <robin.chalas@gmail.com>
*/
#[AsCommand(name: 'lint:yaml', description: 'Lint a YAML file and outputs encountered errors')]
class LintCommand extends Command
{
private Parser $parser;
private ?string $format = null;
private bool $displayCorrectFiles;
private ?\Closure $directoryIteratorProvider;
private ?\Closure $isReadableProvider;
public function __construct(string $name = null, callable $directoryIteratorProvider = null, callable $isReadableProvider = null)
{
parent::__construct($name);
$this->directoryIteratorProvider = null === $directoryIteratorProvider ? null : $directoryIteratorProvider(...);
$this->isReadableProvider = null === $isReadableProvider ? null : $isReadableProvider(...);
}
protected function configure()
{
$this
->addArgument('filename', InputArgument::IS_ARRAY, 'A file, a directory or "-" for reading from STDIN')
->addOption('format', null, InputOption::VALUE_REQUIRED, 'The output format')
->addOption('exclude', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Path(s) to exclude')
->addOption('parse-tags', null, InputOption::VALUE_NEGATABLE, 'Parse custom tags', null)
->setHelp(<<<EOF
The <info>%command.name%</info> command lints a YAML file and outputs to STDOUT
the first encountered syntax error.
You can validates YAML contents passed from STDIN:
<info>cat filename | php %command.full_name% -</info>
You can also validate the syntax of a file:
<info>php %command.full_name% filename</info>
Or of a whole directory:
<info>php %command.full_name% dirname</info>
<info>php %command.full_name% dirname --format=json</info>
You can also exclude one or more specific files:
<info>php %command.full_name% dirname --exclude="dirname/foo.yaml" --exclude="dirname/bar.yaml"</info>
EOF
)
;
}
protected function execute(InputInterface $input, OutputInterface $output): int
{
$io = new SymfonyStyle($input, $output);
$filenames = (array) $input->getArgument('filename');
$excludes = $input->getOption('exclude');
$this->format = $input->getOption('format');
$flags = $input->getOption('parse-tags');
if ('github' === $this->format && !class_exists(GithubActionReporter::class)) {
throw new \InvalidArgumentException('The "github" format is only available since "symfony/console" >= 5.3.');
}
if (null === $this->format) {
// Autodetect format according to CI environment
$this->format = class_exists(GithubActionReporter::class) && GithubActionReporter::isGithubActionEnvironment() ? 'github' : 'txt';
}
$flags = $flags ? Yaml::PARSE_CUSTOM_TAGS : 0;
$this->displayCorrectFiles = $output->isVerbose();
if (['-'] === $filenames) {
return $this->display($io, [$this->validate(file_get_contents('php://stdin'), $flags)]);
}
if (!$filenames) {
throw new RuntimeException('Please provide a filename or pipe file content to STDIN.');
}
$filesInfo = [];
foreach ($filenames as $filename) {
if (!$this->isReadable($filename)) {
throw new RuntimeException(sprintf('File or directory "%s" is not readable.', $filename));
}
foreach ($this->getFiles($filename) as $file) {
if (!\in_array($file->getPathname(), $excludes, true)) {
$filesInfo[] = $this->validate(file_get_contents($file), $flags, $file);
}
}
}
return $this->display($io, $filesInfo);
}
private function validate(string $content, int $flags, string $file = null)
{
$prevErrorHandler = set_error_handler(function ($level, $message, $file, $line) use (&$prevErrorHandler) {
if (\E_USER_DEPRECATED === $level) {
throw new ParseException($message, $this->getParser()->getRealCurrentLineNb() + 1);
}
return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
});
try {
$this->getParser()->parse($content, Yaml::PARSE_CONSTANT | $flags);
} catch (ParseException $e) {
return ['file' => $file, 'line' => $e->getParsedLine(), 'valid' => false, 'message' => $e->getMessage()];
} finally {
restore_error_handler();
}
return ['file' => $file, 'valid' => true];
}
private function display(SymfonyStyle $io, array $files): int
{
return match ($this->format) {
'txt' => $this->displayTxt($io, $files),
'json' => $this->displayJson($io, $files),
'github' => $this->displayTxt($io, $files, true),
default => throw new InvalidArgumentException(sprintf('The format "%s" is not supported.', $this->format)),
};
}
private function displayTxt(SymfonyStyle $io, array $filesInfo, bool $errorAsGithubAnnotations = false): int
{
$countFiles = \count($filesInfo);
$erroredFiles = 0;
$suggestTagOption = false;
if ($errorAsGithubAnnotations) {
$githubReporter = new GithubActionReporter($io);
}
foreach ($filesInfo as $info) {
if ($info['valid'] && $this->displayCorrectFiles) {
$io->comment('<info>OK</info>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
} elseif (!$info['valid']) {
++$erroredFiles;
$io->text('<error> ERROR </error>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
$io->text(sprintf('<error> >> %s</error>', $info['message']));
if (str_contains($info['message'], 'PARSE_CUSTOM_TAGS')) {
$suggestTagOption = true;
}
if ($errorAsGithubAnnotations) {
$githubReporter->error($info['message'], $info['file'] ?? 'php://stdin', $info['line']);
}
}
}
if (0 === $erroredFiles) {
$io->success(sprintf('All %d YAML files contain valid syntax.', $countFiles));
} else {
$io->warning(sprintf('%d YAML files have valid syntax and %d contain errors.%s', $countFiles - $erroredFiles, $erroredFiles, $suggestTagOption ? ' Use the --parse-tags option if you want parse custom tags.' : ''));
}
return min($erroredFiles, 1);
}
private function displayJson(SymfonyStyle $io, array $filesInfo): int
{
$errors = 0;
array_walk($filesInfo, function (&$v) use (&$errors) {
$v['file'] = (string) $v['file'];
if (!$v['valid']) {
++$errors;
}
if (isset($v['message']) && str_contains($v['message'], 'PARSE_CUSTOM_TAGS')) {
$v['message'] .= ' Use the --parse-tags option if you want parse custom tags.';
}
});
$io->writeln(json_encode($filesInfo, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES));
return min($errors, 1);
}
private function getFiles(string $fileOrDirectory): iterable
{
if (is_file($fileOrDirectory)) {
yield new \SplFileInfo($fileOrDirectory);
return;
}
foreach ($this->getDirectoryIterator($fileOrDirectory) as $file) {
if (!\in_array($file->getExtension(), ['yml', 'yaml'])) {
continue;
}
yield $file;
}
}
private function getParser(): Parser
{
return $this->parser ??= new Parser();
}
private function getDirectoryIterator(string $directory): iterable
{
$default = function ($directory) {
return new \RecursiveIteratorIterator(
new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS),
\RecursiveIteratorIterator::LEAVES_ONLY
);
};
if (null !== $this->directoryIteratorProvider) {
return ($this->directoryIteratorProvider)($directory, $default);
}
return $default($directory);
}
private function isReadable(string $fileOrDirectory): bool
{
$default = function ($fileOrDirectory) {
return is_readable($fileOrDirectory);
};
if (null !== $this->isReadableProvider) {
return ($this->isReadableProvider)($fileOrDirectory, $default);
}
return $default($fileOrDirectory);
}
public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
{
if ($input->mustSuggestOptionValuesFor('format')) {
$suggestions->suggestValues(['txt', 'json', 'github']);
}
}
}