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Sampanna Rimal
2024-08-27 17:48:06 +05:45
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258
vendor/symfony/yaml/CHANGELOG.md vendored Normal file
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CHANGELOG
=========
7.0
---
* Remove the `!php/const:` tag, use `!php/const` instead (without the colon)
6.3
---
* Add support to dump int keys as strings by using the `Yaml::DUMP_NUMERIC_KEY_AS_STRING` flag
6.2
---
* Add support for `!php/enum` and `!php/enum *->value`
* Deprecate the `!php/const:` tag in key which will be replaced by the `!php/const` tag (without the colon) since 3.4
6.1
---
* In cases where it will likely improve readability, strings containing single quotes will be double-quoted
5.4
---
* Add new `lint:yaml dirname --exclude=/dirname/foo.yaml --exclude=/dirname/bar.yaml`
option to exclude one or more specific files from multiple file list
* Allow negatable for the parse tags option with `--no-parse-tags`
5.3
---
* Added `github` format support & autodetection to render errors as annotations
when running the YAML linter command in a Github Action environment.
5.1.0
-----
* Added support for parsing numbers prefixed with `0o` as octal numbers.
* Deprecated support for parsing numbers starting with `0` as octal numbers. They will be parsed as strings as of Symfony 6.0. Prefix numbers with `0o`
so that they are parsed as octal numbers.
Before:
```yaml
Yaml::parse('072');
```
After:
```yaml
Yaml::parse('0o72');
```
* Added `yaml-lint` binary.
* Deprecated using the `!php/object` and `!php/const` tags without a value.
5.0.0
-----
* Removed support for mappings inside multi-line strings.
* removed support for implicit STDIN usage in the `lint:yaml` command, use `lint:yaml -` (append a dash) instead to make it explicit.
4.4.0
-----
* Added support for parsing the inline notation spanning multiple lines.
* Added support to dump `null` as `~` by using the `Yaml::DUMP_NULL_AS_TILDE` flag.
* deprecated accepting STDIN implicitly when using the `lint:yaml` command, use `lint:yaml -` (append a dash) instead to make it explicit.
4.3.0
-----
* Using a mapping inside a multi-line string is deprecated and will throw a `ParseException` in 5.0.
4.2.0
-----
* added support for multiple files or directories in `LintCommand`
4.0.0
-----
* The behavior of the non-specific tag `!` is changed and now forces
non-evaluating your values.
* complex mappings will throw a `ParseException`
* support for the comma as a group separator for floats has been dropped, use
the underscore instead
* support for the `!!php/object` tag has been dropped, use the `!php/object`
tag instead
* duplicate mapping keys throw a `ParseException`
* non-string mapping keys throw a `ParseException`, use the `Yaml::PARSE_KEYS_AS_STRINGS`
flag to cast them to strings
* `%` at the beginning of an unquoted string throw a `ParseException`
* mappings with a colon (`:`) that is not followed by a whitespace throw a
`ParseException`
* the `Dumper::setIndentation()` method has been removed
* being able to pass boolean options to the `Yaml::parse()`, `Yaml::dump()`,
`Parser::parse()`, and `Dumper::dump()` methods to configure the behavior of
the parser and dumper is no longer supported, pass bitmask flags instead
* the constructor arguments of the `Parser` class have been removed
* the `Inline` class is internal and no longer part of the BC promise
* removed support for the `!str` tag, use the `!!str` tag instead
* added support for tagged scalars.
```yml
Yaml::parse('!foo bar', Yaml::PARSE_CUSTOM_TAGS);
// returns TaggedValue('foo', 'bar');
```
3.4.0
-----
* added support for parsing YAML files using the `Yaml::parseFile()` or `Parser::parseFile()` method
* the `Dumper`, `Parser`, and `Yaml` classes are marked as final
* Deprecated the `!php/object:` tag which will be replaced by the
`!php/object` tag (without the colon) in 4.0.
* Deprecated the `!php/const:` tag which will be replaced by the
`!php/const` tag (without the colon) in 4.0.
* Support for the `!str` tag is deprecated, use the `!!str` tag instead.
* Deprecated using the non-specific tag `!` as its behavior will change in 4.0.
It will force non-evaluating your values in 4.0. Use plain integers or `!!float` instead.
3.3.0
-----
* Starting an unquoted string with a question mark followed by a space is
deprecated and will throw a `ParseException` in Symfony 4.0.
* Deprecated support for implicitly parsing non-string mapping keys as strings.
Mapping keys that are no strings will lead to a `ParseException` in Symfony
4.0. Use quotes to opt-in for keys to be parsed as strings.
Before:
```php
$yaml = <<<YAML
null: null key
true: boolean true
2.0: float key
YAML;
Yaml::parse($yaml);
```
After:
```php
$yaml = <<<YAML
"null": null key
"true": boolean true
"2.0": float key
YAML;
Yaml::parse($yaml);
```
* Omitted mapping values will be parsed as `null`.
* Omitting the key of a mapping is deprecated and will throw a `ParseException` in Symfony 4.0.
* Added support for dumping empty PHP arrays as YAML sequences:
```php
Yaml::dump([], 0, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE);
```
3.2.0
-----
* Mappings with a colon (`:`) that is not followed by a whitespace are deprecated
when the mapping key is not quoted and will lead to a `ParseException` in
Symfony 4.0 (e.g. `foo:bar` must be `foo: bar`).
* Added support for parsing PHP constants:
```php
Yaml::parse('!php/const:PHP_INT_MAX', Yaml::PARSE_CONSTANT);
```
* Support for silently ignoring duplicate mapping keys in YAML has been
deprecated and will lead to a `ParseException` in Symfony 4.0.
3.1.0
-----
* Added support to dump `stdClass` and `ArrayAccess` objects as YAML mappings
through the `Yaml::DUMP_OBJECT_AS_MAP` flag.
* Strings that are not UTF-8 encoded will be dumped as base64 encoded binary
data.
* Added support for dumping multi line strings as literal blocks.
* Added support for parsing base64 encoded binary data when they are tagged
with the `!!binary` tag.
* Added support for parsing timestamps as `\DateTime` objects:
```php
Yaml::parse('2001-12-15 21:59:43.10 -5', Yaml::PARSE_DATETIME);
```
* `\DateTime` and `\DateTimeImmutable` objects are dumped as YAML timestamps.
* Deprecated usage of `%` at the beginning of an unquoted string.
* Added support for customizing the YAML parser behavior through an optional bit field:
```php
Yaml::parse('{ "foo": "bar", "fiz": "cat" }', Yaml::PARSE_EXCEPTION_ON_INVALID_TYPE | Yaml::PARSE_OBJECT | Yaml::PARSE_OBJECT_FOR_MAP);
```
* Added support for customizing the dumped YAML string through an optional bit field:
```php
Yaml::dump(['foo' => new A(), 'bar' => 1], 0, 0, Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE | Yaml::DUMP_OBJECT);
```
3.0.0
-----
* Yaml::parse() now throws an exception when a blackslash is not escaped
in double-quoted strings
2.8.0
-----
* Deprecated usage of a colon in an unquoted mapping value
* Deprecated usage of @, \`, | and > at the beginning of an unquoted string
* When surrounding strings with double-quotes, you must now escape `\` characters. Not
escaping those characters (when surrounded by double-quotes) is deprecated.
Before:
```yml
class: "Foo\Var"
```
After:
```yml
class: "Foo\\Var"
```
2.1.0
-----
* Yaml::parse() does not evaluate loaded files as PHP files by default
anymore (call Yaml::enablePhpParsing() to get back the old behavior)

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vendor/symfony/yaml/Command/LintCommand.php vendored Normal file
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<?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(): void
{
$this
->addArgument('filename', InputArgument::IS_ARRAY, 'A file, a directory or "-" for reading from STDIN')
->addOption('format', null, InputOption::VALUE_REQUIRED, sprintf('The output format ("%s")', implode('", "', $this->getAvailableFormatOptions())))
->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 (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): array
{
$prevErrorHandler = set_error_handler(function ($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('Supported formats are "%s".', implode('", "', $this->getAvailableFormatOptions()))),
};
}
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
{
$default = fn ($directory) => 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 = is_readable(...);
if (null !== $this->isReadableProvider) {
return ($this->isReadableProvider)($fileOrDirectory, $default);
}
return $default($fileOrDirectory);
}
public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
{
if ($input->mustSuggestOptionValuesFor('format')) {
$suggestions->suggestValues($this->getAvailableFormatOptions());
}
}
private function getAvailableFormatOptions(): array
{
return ['txt', 'json', 'github'];
}
}

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<?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;
use Symfony\Component\Yaml\Tag\TaggedValue;
/**
* Dumper dumps PHP variables to YAML strings.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final
*/
class Dumper
{
/**
* The amount of spaces to use for indentation of nested nodes.
*/
private int $indentation;
public function __construct(int $indentation = 4)
{
if ($indentation < 1) {
throw new \InvalidArgumentException('The indentation must be greater than zero.');
}
$this->indentation = $indentation;
}
/**
* Dumps a PHP value to YAML.
*
* @param mixed $input The PHP value
* @param int $inline The level where you switch to inline YAML
* @param int $indent The level of indentation (used internally)
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*/
public function dump(mixed $input, int $inline = 0, int $indent = 0, int $flags = 0): string
{
$output = '';
$prefix = $indent ? str_repeat(' ', $indent) : '';
$dumpObjectAsInlineMap = true;
if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($input instanceof \ArrayObject || $input instanceof \stdClass)) {
$dumpObjectAsInlineMap = empty((array) $input);
}
if ($inline <= 0 || (!\is_array($input) && !$input instanceof TaggedValue && $dumpObjectAsInlineMap) || empty($input)) {
$output .= $prefix.Inline::dump($input, $flags);
} elseif ($input instanceof TaggedValue) {
$output .= $this->dumpTaggedValue($input, $inline, $indent, $flags, $prefix);
} else {
$dumpAsMap = Inline::isHash($input);
foreach ($input as $key => $value) {
if ('' !== $output && "\n" !== $output[-1]) {
$output .= "\n";
}
if (\is_int($key) && Yaml::DUMP_NUMERIC_KEY_AS_STRING & $flags) {
$key = (string) $key;
}
if (Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && \is_string($value) && str_contains($value, "\n") && !str_contains($value, "\r")) {
$blockIndentationIndicator = $this->getBlockIndentationIndicator($value);
if (isset($value[-2]) && "\n" === $value[-2] && "\n" === $value[-1]) {
$blockChompingIndicator = '+';
} elseif ("\n" === $value[-1]) {
$blockChompingIndicator = '';
} else {
$blockChompingIndicator = '-';
}
$output .= sprintf('%s%s%s |%s%s', $prefix, $dumpAsMap ? Inline::dump($key, $flags).':' : '-', '', $blockIndentationIndicator, $blockChompingIndicator);
foreach (explode("\n", $value) as $row) {
if ('' === $row) {
$output .= "\n";
} else {
$output .= sprintf("\n%s%s%s", $prefix, str_repeat(' ', $this->indentation), $row);
}
}
continue;
}
if ($value instanceof TaggedValue) {
$output .= sprintf('%s%s !%s', $prefix, $dumpAsMap ? Inline::dump($key, $flags).':' : '-', $value->getTag());
if (Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && \is_string($value->getValue()) && str_contains($value->getValue(), "\n") && !str_contains($value->getValue(), "\r\n")) {
$blockIndentationIndicator = $this->getBlockIndentationIndicator($value->getValue());
$output .= sprintf(' |%s', $blockIndentationIndicator);
foreach (explode("\n", $value->getValue()) as $row) {
$output .= sprintf("\n%s%s%s", $prefix, str_repeat(' ', $this->indentation), $row);
}
continue;
}
if ($inline - 1 <= 0 || null === $value->getValue() || \is_scalar($value->getValue())) {
$output .= ' '.$this->dump($value->getValue(), $inline - 1, 0, $flags)."\n";
} else {
$output .= "\n";
$output .= $this->dump($value->getValue(), $inline - 1, $dumpAsMap ? $indent + $this->indentation : $indent + 2, $flags);
}
continue;
}
$dumpObjectAsInlineMap = true;
if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \ArrayObject || $value instanceof \stdClass)) {
$dumpObjectAsInlineMap = empty((array) $value);
}
$willBeInlined = $inline - 1 <= 0 || !\is_array($value) && $dumpObjectAsInlineMap || empty($value);
$output .= sprintf('%s%s%s%s',
$prefix,
$dumpAsMap ? Inline::dump($key, $flags).':' : '-',
$willBeInlined ? ' ' : "\n",
$this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $flags)
).($willBeInlined ? "\n" : '');
}
}
return $output;
}
private function dumpTaggedValue(TaggedValue $value, int $inline, int $indent, int $flags, string $prefix): string
{
$output = sprintf('%s!%s', $prefix ? $prefix.' ' : '', $value->getTag());
if (Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && \is_string($value->getValue()) && str_contains($value->getValue(), "\n") && !str_contains($value->getValue(), "\r\n")) {
$blockIndentationIndicator = $this->getBlockIndentationIndicator($value->getValue());
$output .= sprintf(' |%s', $blockIndentationIndicator);
foreach (explode("\n", $value->getValue()) as $row) {
$output .= sprintf("\n%s%s%s", $prefix, str_repeat(' ', $this->indentation), $row);
}
return $output;
}
if ($inline - 1 <= 0 || null === $value->getValue() || \is_scalar($value->getValue())) {
return $output.' '.$this->dump($value->getValue(), $inline - 1, 0, $flags)."\n";
}
return $output."\n".$this->dump($value->getValue(), $inline - 1, $indent, $flags);
}
private function getBlockIndentationIndicator(string $value): string
{
$lines = explode("\n", $value);
// If the first line (that is neither empty nor contains only spaces)
// starts with a space character, the spec requires a block indentation indicator
// http://www.yaml.org/spec/1.2/spec.html#id2793979
foreach ($lines as $line) {
if ('' !== trim($line, ' ')) {
return (' ' === substr($line, 0, 1)) ? (string) $this->indentation : '';
}
}
return '';
}
}

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<?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;
/**
* Escaper encapsulates escaping rules for single and double-quoted
* YAML strings.
*
* @author Matthew Lewinski <matthew@lewinski.org>
*
* @internal
*/
class Escaper
{
// Characters that would cause a dumped string to require double quoting.
public const REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\x7f|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";
// Mapping arrays for escaping a double quoted string. The backslash is
// first to ensure proper escaping because str_replace operates iteratively
// on the input arrays. This ordering of the characters avoids the use of strtr,
// which performs more slowly.
private const ESCAPEES = ['\\', '\\\\', '\\"', '"',
"\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07",
"\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f",
"\x10", "\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17",
"\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f",
"\x7f",
"\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9",
];
private const ESCAPED = ['\\\\', '\\"', '\\\\', '\\"',
'\\0', '\\x01', '\\x02', '\\x03', '\\x04', '\\x05', '\\x06', '\\a',
'\\b', '\\t', '\\n', '\\v', '\\f', '\\r', '\\x0e', '\\x0f',
'\\x10', '\\x11', '\\x12', '\\x13', '\\x14', '\\x15', '\\x16', '\\x17',
'\\x18', '\\x19', '\\x1a', '\\e', '\\x1c', '\\x1d', '\\x1e', '\\x1f',
'\\x7f',
'\\N', '\\_', '\\L', '\\P',
];
/**
* Determines if a PHP value would require double quoting in YAML.
*
* @param string $value A PHP value
*/
public static function requiresDoubleQuoting(string $value): bool
{
return 0 < preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value);
}
/**
* Escapes and surrounds a PHP value with double quotes.
*
* @param string $value A PHP value
*/
public static function escapeWithDoubleQuotes(string $value): string
{
return sprintf('"%s"', str_replace(self::ESCAPEES, self::ESCAPED, $value));
}
/**
* Determines if a PHP value would require single quoting in YAML.
*
* @param string $value A PHP value
*/
public static function requiresSingleQuoting(string $value): bool
{
// Determines if a PHP value is entirely composed of a value that would
// require single quoting in YAML.
if (\in_array(strtolower($value), ['null', '~', 'true', 'false', 'y', 'n', 'yes', 'no', 'on', 'off'])) {
return true;
}
// Determines if the PHP value contains any single characters that would
// cause it to require single quoting in YAML.
return 0 < preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` \p{Zs}]/xu', $value);
}
/**
* Escapes and surrounds a PHP value with single quotes.
*
* @param string $value A PHP value
*/
public static function escapeWithSingleQuotes(string $value): string
{
return sprintf("'%s'", str_replace('\'', '\'\'', $value));
}
}

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<?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\Exception;
/**
* Exception class thrown when an error occurs during dumping.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class DumpException extends RuntimeException
{
}

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<?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\Exception;
/**
* Exception interface for all exceptions thrown by the component.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface ExceptionInterface extends \Throwable
{
}

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<?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\Exception;
/**
* Exception class thrown when an error occurs during parsing.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ParseException extends RuntimeException
{
private ?string $parsedFile;
private int $parsedLine;
private ?string $snippet;
private string $rawMessage;
/**
* @param string $message The error message
* @param int $parsedLine The line where the error occurred
* @param string|null $snippet The snippet of code near the problem
* @param string|null $parsedFile The file name where the error occurred
*/
public function __construct(string $message, int $parsedLine = -1, ?string $snippet = null, ?string $parsedFile = null, ?\Throwable $previous = null)
{
$this->parsedFile = $parsedFile;
$this->parsedLine = $parsedLine;
$this->snippet = $snippet;
$this->rawMessage = $message;
$this->updateRepr();
parent::__construct($this->message, 0, $previous);
}
/**
* Gets the snippet of code near the error.
*/
public function getSnippet(): string
{
return $this->snippet;
}
/**
* Sets the snippet of code near the error.
*/
public function setSnippet(string $snippet): void
{
$this->snippet = $snippet;
$this->updateRepr();
}
/**
* Gets the filename where the error occurred.
*
* This method returns null if a string is parsed.
*/
public function getParsedFile(): string
{
return $this->parsedFile;
}
/**
* Sets the filename where the error occurred.
*/
public function setParsedFile(string $parsedFile): void
{
$this->parsedFile = $parsedFile;
$this->updateRepr();
}
/**
* Gets the line where the error occurred.
*/
public function getParsedLine(): int
{
return $this->parsedLine;
}
/**
* Sets the line where the error occurred.
*/
public function setParsedLine(int $parsedLine): void
{
$this->parsedLine = $parsedLine;
$this->updateRepr();
}
private function updateRepr(): void
{
$this->message = $this->rawMessage;
$dot = false;
if (str_ends_with($this->message, '.')) {
$this->message = substr($this->message, 0, -1);
$dot = true;
}
if (null !== $this->parsedFile) {
$this->message .= sprintf(' in %s', json_encode($this->parsedFile, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
}
if ($this->parsedLine >= 0) {
$this->message .= sprintf(' at line %d', $this->parsedLine);
}
if ($this->snippet) {
$this->message .= sprintf(' (near "%s")', $this->snippet);
}
if ($dot) {
$this->message .= '.';
}
}
}

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<?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\Exception;
/**
* Exception class thrown when an error occurs during parsing.
*
* @author Romain Neutron <imprec@gmail.com>
*/
class RuntimeException extends \RuntimeException implements ExceptionInterface
{
}

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<?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;
use Symfony\Component\Yaml\Exception\DumpException;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Tag\TaggedValue;
/**
* Inline implements a YAML parser/dumper for the YAML inline syntax.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
class Inline
{
public const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*+(?:\\\\.[^"\\\\]*+)*+)"|\'([^\']*+(?:\'\'[^\']*+)*+)\')';
public static int $parsedLineNumber = -1;
public static ?string $parsedFilename = null;
private static bool $exceptionOnInvalidType = false;
private static bool $objectSupport = false;
private static bool $objectForMap = false;
private static bool $constantSupport = false;
public static function initialize(int $flags, ?int $parsedLineNumber = null, ?string $parsedFilename = null): void
{
self::$exceptionOnInvalidType = (bool) (Yaml::PARSE_EXCEPTION_ON_INVALID_TYPE & $flags);
self::$objectSupport = (bool) (Yaml::PARSE_OBJECT & $flags);
self::$objectForMap = (bool) (Yaml::PARSE_OBJECT_FOR_MAP & $flags);
self::$constantSupport = (bool) (Yaml::PARSE_CONSTANT & $flags);
self::$parsedFilename = $parsedFilename;
if (null !== $parsedLineNumber) {
self::$parsedLineNumber = $parsedLineNumber;
}
}
/**
* Converts a YAML string to a PHP value.
*
* @param int $flags A bit field of Yaml::PARSE_* constants to customize the YAML parser behavior
* @param array $references Mapping of variable names to values
*
* @throws ParseException
*/
public static function parse(string $value, int $flags = 0, array &$references = []): mixed
{
self::initialize($flags);
$value = trim($value);
if ('' === $value) {
return '';
}
$i = 0;
$tag = self::parseTag($value, $i, $flags);
switch ($value[$i]) {
case '[':
$result = self::parseSequence($value, $flags, $i, $references);
++$i;
break;
case '{':
$result = self::parseMapping($value, $flags, $i, $references);
++$i;
break;
default:
$result = self::parseScalar($value, $flags, null, $i, true, $references);
}
// some comments are allowed at the end
if (preg_replace('/\s*#.*$/A', '', substr($value, $i))) {
throw new ParseException(sprintf('Unexpected characters near "%s".', substr($value, $i)), self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
if (null !== $tag && '' !== $tag) {
return new TaggedValue($tag, $result);
}
return $result;
}
/**
* Dumps a given PHP variable to a YAML string.
*
* @param mixed $value The PHP variable to convert
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*
* @throws DumpException When trying to dump PHP resource
*/
public static function dump(mixed $value, int $flags = 0): string
{
switch (true) {
case \is_resource($value):
if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) {
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
}
return self::dumpNull($flags);
case $value instanceof \DateTimeInterface:
return $value->format(match (true) {
!$length = \strlen(rtrim($value->format('u'), '0')) => 'c',
$length < 4 => 'Y-m-d\TH:i:s.vP',
default => 'Y-m-d\TH:i:s.uP',
});
case $value instanceof \UnitEnum:
return sprintf('!php/const %s::%s', $value::class, $value->name);
case \is_object($value):
if ($value instanceof TaggedValue) {
return '!'.$value->getTag().' '.self::dump($value->getValue(), $flags);
}
if (Yaml::DUMP_OBJECT & $flags) {
return '!php/object '.self::dump(serialize($value));
}
if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \stdClass || $value instanceof \ArrayObject)) {
return self::dumpHashArray($value, $flags);
}
if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) {
throw new DumpException('Object support when dumping a YAML file has been disabled.');
}
return self::dumpNull($flags);
case \is_array($value):
return self::dumpArray($value, $flags);
case null === $value:
return self::dumpNull($flags);
case true === $value:
return 'true';
case false === $value:
return 'false';
case \is_int($value):
return $value;
case is_numeric($value) && false === strpbrk($value, "\f\n\r\t\v"):
$locale = setlocale(\LC_NUMERIC, 0);
if (false !== $locale) {
setlocale(\LC_NUMERIC, 'C');
}
if (\is_float($value)) {
$repr = (string) $value;
if (is_infinite($value)) {
$repr = str_ireplace('INF', '.Inf', $repr);
} elseif (floor($value) == $value && $repr == $value) {
// Preserve float data type since storing a whole number will result in integer value.
if (!str_contains($repr, 'E')) {
$repr .= '.0';
}
}
} else {
$repr = \is_string($value) ? "'$value'" : (string) $value;
}
if (false !== $locale) {
setlocale(\LC_NUMERIC, $locale);
}
return $repr;
case '' == $value:
return "''";
case self::isBinaryString($value):
return '!!binary '.base64_encode($value);
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
$singleQuoted = Escaper::escapeWithSingleQuotes($value);
if (!str_contains($value, "'")) {
return $singleQuoted;
}
// Attempt double-quoting the string instead to see if it's more efficient.
$doubleQuoted = Escaper::escapeWithDoubleQuotes($value);
return \strlen($doubleQuoted) < \strlen($singleQuoted) ? $doubleQuoted : $singleQuoted;
case Parser::preg_match('{^[0-9]+[_0-9]*$}', $value):
case Parser::preg_match(self::getHexRegex(), $value):
case Parser::preg_match(self::getTimestampRegex(), $value):
return Escaper::escapeWithSingleQuotes($value);
default:
return $value;
}
}
/**
* Check if given array is hash or just normal indexed array.
*/
public static function isHash(array|\ArrayObject|\stdClass $value): bool
{
if ($value instanceof \stdClass || $value instanceof \ArrayObject) {
return true;
}
$expectedKey = 0;
foreach ($value as $key => $val) {
if ($key !== $expectedKey++) {
return true;
}
}
return false;
}
/**
* Dumps a PHP array to a YAML string.
*
* @param array $value The PHP array to dump
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*/
private static function dumpArray(array $value, int $flags): string
{
// array
if (($value || Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE & $flags) && !self::isHash($value)) {
$output = [];
foreach ($value as $val) {
$output[] = self::dump($val, $flags);
}
return sprintf('[%s]', implode(', ', $output));
}
return self::dumpHashArray($value, $flags);
}
/**
* Dumps hash array to a YAML string.
*
* @param array|\ArrayObject|\stdClass $value The hash array to dump
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*/
private static function dumpHashArray(array|\ArrayObject|\stdClass $value, int $flags): string
{
$output = [];
foreach ($value as $key => $val) {
if (\is_int($key) && Yaml::DUMP_NUMERIC_KEY_AS_STRING & $flags) {
$key = (string) $key;
}
$output[] = sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags));
}
return sprintf('{ %s }', implode(', ', $output));
}
private static function dumpNull(int $flags): string
{
if (Yaml::DUMP_NULL_AS_TILDE & $flags) {
return '~';
}
return 'null';
}
/**
* Parses a YAML scalar.
*
* @throws ParseException When malformed inline YAML string is parsed
*/
public static function parseScalar(string $scalar, int $flags = 0, ?array $delimiters = null, int &$i = 0, bool $evaluate = true, array &$references = [], ?bool &$isQuoted = null): mixed
{
if (\in_array($scalar[$i], ['"', "'"], true)) {
// quoted scalar
$isQuoted = true;
$output = self::parseQuotedScalar($scalar, $i);
if (null !== $delimiters) {
$tmp = ltrim(substr($scalar, $i), " \n");
if ('' === $tmp) {
throw new ParseException(sprintf('Unexpected end of line, expected one of "%s".', implode('', $delimiters)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
if (!\in_array($tmp[0], $delimiters)) {
throw new ParseException(sprintf('Unexpected characters (%s).', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
}
} else {
// "normal" string
$isQuoted = false;
if (!$delimiters) {
$output = substr($scalar, $i);
$i += \strlen($output);
// remove comments
if (Parser::preg_match('/[ \t]+#/', $output, $match, \PREG_OFFSET_CAPTURE)) {
$output = substr($output, 0, $match[0][1]);
}
} elseif (Parser::preg_match('/^(.*?)('.implode('|', $delimiters).')/', substr($scalar, $i), $match)) {
$output = $match[1];
$i += \strlen($output);
$output = trim($output);
} else {
throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $scalar), self::$parsedLineNumber + 1, null, self::$parsedFilename);
}
// a non-quoted string cannot start with @ or ` (reserved) nor with a scalar indicator (| or >)
if ($output && ('@' === $output[0] || '`' === $output[0] || '|' === $output[0] || '>' === $output[0] || '%' === $output[0])) {
throw new ParseException(sprintf('The reserved indicator "%s" cannot start a plain scalar; you need to quote the scalar.', $output[0]), self::$parsedLineNumber + 1, $output, self::$parsedFilename);
}
if ($evaluate) {
$output = self::evaluateScalar($output, $flags, $references, $isQuoted);
}
}
return $output;
}
/**
* Parses a YAML quoted scalar.
*
* @throws ParseException When malformed inline YAML string is parsed
*/
private static function parseQuotedScalar(string $scalar, int &$i = 0): string
{
if (!Parser::preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match)) {
throw new ParseException(sprintf('Malformed inline YAML string: "%s".', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
$output = substr($match[0], 1, -1);
$unescaper = new Unescaper();
if ('"' == $scalar[$i]) {
$output = $unescaper->unescapeDoubleQuotedString($output);
} else {
$output = $unescaper->unescapeSingleQuotedString($output);
}
$i += \strlen($match[0]);
return $output;
}
/**
* Parses a YAML sequence.
*
* @throws ParseException When malformed inline YAML string is parsed
*/
private static function parseSequence(string $sequence, int $flags, int &$i = 0, array &$references = []): array
{
$output = [];
$len = \strlen($sequence);
++$i;
// [foo, bar, ...]
while ($i < $len) {
if (']' === $sequence[$i]) {
return $output;
}
if (',' === $sequence[$i] || ' ' === $sequence[$i]) {
++$i;
continue;
}
$tag = self::parseTag($sequence, $i, $flags);
switch ($sequence[$i]) {
case '[':
// nested sequence
$value = self::parseSequence($sequence, $flags, $i, $references);
break;
case '{':
// nested mapping
$value = self::parseMapping($sequence, $flags, $i, $references);
break;
default:
$value = self::parseScalar($sequence, $flags, [',', ']'], $i, null === $tag, $references, $isQuoted);
// the value can be an array if a reference has been resolved to an array var
if (\is_string($value) && !$isQuoted && str_contains($value, ': ')) {
// embedded mapping?
try {
$pos = 0;
$value = self::parseMapping('{'.$value.'}', $flags, $pos, $references);
} catch (\InvalidArgumentException) {
// no, it's not
}
}
if (!$isQuoted && \is_string($value) && '' !== $value && '&' === $value[0] && Parser::preg_match(Parser::REFERENCE_PATTERN, $value, $matches)) {
$references[$matches['ref']] = $matches['value'];
$value = $matches['value'];
}
--$i;
}
if (null !== $tag && '' !== $tag) {
$value = new TaggedValue($tag, $value);
}
$output[] = $value;
++$i;
}
throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $sequence), self::$parsedLineNumber + 1, null, self::$parsedFilename);
}
/**
* Parses a YAML mapping.
*
* @throws ParseException When malformed inline YAML string is parsed
*/
private static function parseMapping(string $mapping, int $flags, int &$i = 0, array &$references = []): array|\stdClass
{
$output = [];
$len = \strlen($mapping);
++$i;
$allowOverwrite = false;
// {foo: bar, bar:foo, ...}
while ($i < $len) {
switch ($mapping[$i]) {
case ' ':
case ',':
case "\n":
++$i;
continue 2;
case '}':
if (self::$objectForMap) {
return (object) $output;
}
return $output;
}
// key
$offsetBeforeKeyParsing = $i;
$isKeyQuoted = \in_array($mapping[$i], ['"', "'"], true);
$key = self::parseScalar($mapping, $flags, [':', ' '], $i, false);
if ($offsetBeforeKeyParsing === $i) {
throw new ParseException('Missing mapping key.', self::$parsedLineNumber + 1, $mapping);
}
if ('!php/const' === $key || '!php/enum' === $key) {
$key .= ' '.self::parseScalar($mapping, $flags, [':'], $i, false);
$key = self::evaluateScalar($key, $flags);
}
if (false === $i = strpos($mapping, ':', $i)) {
break;
}
if (!$isKeyQuoted) {
$evaluatedKey = self::evaluateScalar($key, $flags, $references);
if ('' !== $key && $evaluatedKey !== $key && !\is_string($evaluatedKey) && !\is_int($evaluatedKey)) {
throw new ParseException('Implicit casting of incompatible mapping keys to strings is not supported. Quote your evaluable mapping keys instead.', self::$parsedLineNumber + 1, $mapping);
}
}
if (!$isKeyQuoted && (!isset($mapping[$i + 1]) || !\in_array($mapping[$i + 1], [' ', ',', '[', ']', '{', '}', "\n"], true))) {
throw new ParseException('Colons must be followed by a space or an indication character (i.e. " ", ",", "[", "]", "{", "}").', self::$parsedLineNumber + 1, $mapping);
}
if ('<<' === $key) {
$allowOverwrite = true;
}
while ($i < $len) {
if (':' === $mapping[$i] || ' ' === $mapping[$i] || "\n" === $mapping[$i]) {
++$i;
continue;
}
$tag = self::parseTag($mapping, $i, $flags);
switch ($mapping[$i]) {
case '[':
// nested sequence
$value = self::parseSequence($mapping, $flags, $i, $references);
// Spec: Keys MUST be unique; first one wins.
// Parser cannot abort this mapping earlier, since lines
// are processed sequentially.
// But overwriting is allowed when a merge node is used in current block.
if ('<<' === $key) {
foreach ($value as $parsedValue) {
$output += $parsedValue;
}
} elseif ($allowOverwrite || !isset($output[$key])) {
if (null !== $tag) {
$output[$key] = new TaggedValue($tag, $value);
} else {
$output[$key] = $value;
}
} elseif (isset($output[$key])) {
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping);
}
break;
case '{':
// nested mapping
$value = self::parseMapping($mapping, $flags, $i, $references);
// Spec: Keys MUST be unique; first one wins.
// Parser cannot abort this mapping earlier, since lines
// are processed sequentially.
// But overwriting is allowed when a merge node is used in current block.
if ('<<' === $key) {
$output += $value;
} elseif ($allowOverwrite || !isset($output[$key])) {
if (null !== $tag) {
$output[$key] = new TaggedValue($tag, $value);
} else {
$output[$key] = $value;
}
} elseif (isset($output[$key])) {
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping);
}
break;
default:
$value = self::parseScalar($mapping, $flags, [',', '}', "\n"], $i, null === $tag, $references, $isValueQuoted);
// Spec: Keys MUST be unique; first one wins.
// Parser cannot abort this mapping earlier, since lines
// are processed sequentially.
// But overwriting is allowed when a merge node is used in current block.
if ('<<' === $key) {
$output += $value;
} elseif ($allowOverwrite || !isset($output[$key])) {
if (!$isValueQuoted && \is_string($value) && '' !== $value && '&' === $value[0] && !self::isBinaryString($value) && Parser::preg_match(Parser::REFERENCE_PATTERN, $value, $matches)) {
$references[$matches['ref']] = $matches['value'];
$value = $matches['value'];
}
if (null !== $tag) {
$output[$key] = new TaggedValue($tag, $value);
} else {
$output[$key] = $value;
}
} elseif (isset($output[$key])) {
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping);
}
--$i;
}
++$i;
continue 2;
}
}
throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $mapping), self::$parsedLineNumber + 1, null, self::$parsedFilename);
}
/**
* Evaluates scalars and replaces magic values.
*
* @throws ParseException when object parsing support was disabled and the parser detected a PHP object or when a reference could not be resolved
*/
private static function evaluateScalar(string $scalar, int $flags, array &$references = [], ?bool &$isQuotedString = null): mixed
{
$isQuotedString = false;
$scalar = trim($scalar);
if (str_starts_with($scalar, '*')) {
if (false !== $pos = strpos($scalar, '#')) {
$value = substr($scalar, 1, $pos - 2);
} else {
$value = substr($scalar, 1);
}
// an unquoted *
if (false === $value || '' === $value) {
throw new ParseException('A reference must contain at least one character.', self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
if (!\array_key_exists($value, $references)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $value), self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
return $references[$value];
}
$scalarLower = strtolower($scalar);
switch (true) {
case 'null' === $scalarLower:
case '' === $scalar:
case '~' === $scalar:
return null;
case 'true' === $scalarLower:
return true;
case 'false' === $scalarLower:
return false;
case '!' === $scalar[0]:
switch (true) {
case str_starts_with($scalar, '!!str '):
$s = (string) substr($scalar, 6);
if (\in_array($s[0] ?? '', ['"', "'"], true)) {
$isQuotedString = true;
$s = self::parseQuotedScalar($s);
}
return $s;
case str_starts_with($scalar, '! '):
return substr($scalar, 2);
case str_starts_with($scalar, '!php/object'):
if (self::$objectSupport) {
if (!isset($scalar[12])) {
throw new ParseException('Missing value for tag "!php/object".', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return unserialize(self::parseScalar(substr($scalar, 12)));
}
if (self::$exceptionOnInvalidType) {
throw new ParseException('Object support when parsing a YAML file has been disabled.', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return null;
case str_starts_with($scalar, '!php/const'):
if (self::$constantSupport) {
if (!isset($scalar[11])) {
throw new ParseException('Missing value for tag "!php/const".', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
$i = 0;
if (\defined($const = self::parseScalar(substr($scalar, 11), 0, null, $i, false))) {
return \constant($const);
}
throw new ParseException(sprintf('The constant "%s" is not defined.', $const), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
if (self::$exceptionOnInvalidType) {
throw new ParseException(sprintf('The string "%s" could not be parsed as a constant. Did you forget to pass the "Yaml::PARSE_CONSTANT" flag to the parser?', $scalar), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return null;
case str_starts_with($scalar, '!php/enum'):
if (self::$constantSupport) {
if (!isset($scalar[11])) {
throw new ParseException('Missing value for tag "!php/enum".', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
$i = 0;
$enum = self::parseScalar(substr($scalar, 10), 0, null, $i, false);
if ($useValue = str_ends_with($enum, '->value')) {
$enum = substr($enum, 0, -7);
}
if (!\defined($enum)) {
throw new ParseException(sprintf('The enum "%s" is not defined.', $enum), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
$value = \constant($enum);
if (!$value instanceof \UnitEnum) {
throw new ParseException(sprintf('The string "%s" is not the name of a valid enum.', $enum), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
if (!$useValue) {
return $value;
}
if (!$value instanceof \BackedEnum) {
throw new ParseException(sprintf('The enum "%s" defines no value next to its name.', $enum), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return $value->value;
}
if (self::$exceptionOnInvalidType) {
throw new ParseException(sprintf('The string "%s" could not be parsed as an enum. Did you forget to pass the "Yaml::PARSE_CONSTANT" flag to the parser?', $scalar), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return null;
case str_starts_with($scalar, '!!float '):
return (float) substr($scalar, 8);
case str_starts_with($scalar, '!!binary '):
return self::evaluateBinaryScalar(substr($scalar, 9));
}
throw new ParseException(sprintf('The string "%s" could not be parsed as it uses an unsupported built-in tag.', $scalar), self::$parsedLineNumber, $scalar, self::$parsedFilename);
case preg_match('/^(?:\+|-)?0o(?P<value>[0-7_]++)$/', $scalar, $matches):
$value = str_replace('_', '', $matches['value']);
if ('-' === $scalar[0]) {
return -octdec($value);
}
return octdec($value);
case \in_array($scalar[0], ['+', '-', '.'], true) || is_numeric($scalar[0]):
if (Parser::preg_match('{^[+-]?[0-9][0-9_]*$}', $scalar)) {
$scalar = str_replace('_', '', $scalar);
}
switch (true) {
case ctype_digit($scalar):
case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)):
$cast = (int) $scalar;
return ($scalar === (string) $cast) ? $cast : $scalar;
case is_numeric($scalar):
case Parser::preg_match(self::getHexRegex(), $scalar):
$scalar = str_replace('_', '', $scalar);
return '0x' === $scalar[0].$scalar[1] ? hexdec($scalar) : (float) $scalar;
case '.inf' === $scalarLower:
case '.nan' === $scalarLower:
return -log(0);
case '-.inf' === $scalarLower:
return log(0);
case Parser::preg_match('/^(-|\+)?[0-9][0-9_]*(\.[0-9_]+)?$/', $scalar):
return (float) str_replace('_', '', $scalar);
case Parser::preg_match(self::getTimestampRegex(), $scalar):
// When no timezone is provided in the parsed date, YAML spec says we must assume UTC.
$time = new \DateTimeImmutable($scalar, new \DateTimeZone('UTC'));
if (Yaml::PARSE_DATETIME & $flags) {
return $time;
}
if ('' !== rtrim($time->format('u'), '0')) {
return (float) $time->format('U.u');
}
try {
if (false !== $scalar = $time->getTimestamp()) {
return $scalar;
}
} catch (\ValueError) {
// no-op
}
return $time->format('U');
}
}
return (string) $scalar;
}
private static function parseTag(string $value, int &$i, int $flags): ?string
{
if ('!' !== $value[$i]) {
return null;
}
$tagLength = strcspn($value, " \t\n[]{},", $i + 1);
$tag = substr($value, $i + 1, $tagLength);
$nextOffset = $i + $tagLength + 1;
$nextOffset += strspn($value, ' ', $nextOffset);
if ('' === $tag && (!isset($value[$nextOffset]) || \in_array($value[$nextOffset], [']', '}', ','], true))) {
throw new ParseException('Using the unquoted scalar value "!" is not supported. You must quote it.', self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
// Is followed by a scalar and is a built-in tag
if ('' !== $tag && (!isset($value[$nextOffset]) || !\in_array($value[$nextOffset], ['[', '{'], true)) && ('!' === $tag[0] || \in_array($tag, ['str', 'php/const', 'php/enum', 'php/object'], true))) {
// Manage in {@link self::evaluateScalar()}
return null;
}
$i = $nextOffset;
// Built-in tags
if ('' !== $tag && '!' === $tag[0]) {
throw new ParseException(sprintf('The built-in tag "!%s" is not implemented.', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
if ('' !== $tag && !isset($value[$i])) {
throw new ParseException(sprintf('Missing value for tag "%s".', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
if ('' === $tag || Yaml::PARSE_CUSTOM_TAGS & $flags) {
return $tag;
}
throw new ParseException(sprintf('Tags support is not enabled. Enable the "Yaml::PARSE_CUSTOM_TAGS" flag to use "!%s".', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename);
}
public static function evaluateBinaryScalar(string $scalar): string
{
$parsedBinaryData = self::parseScalar(preg_replace('/\s/', '', $scalar));
if (0 !== (\strlen($parsedBinaryData) % 4)) {
throw new ParseException(sprintf('The normalized base64 encoded data (data without whitespace characters) length must be a multiple of four (%d bytes given).', \strlen($parsedBinaryData)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
if (!Parser::preg_match('#^[A-Z0-9+/]+={0,2}$#i', $parsedBinaryData)) {
throw new ParseException(sprintf('The base64 encoded data (%s) contains invalid characters.', $parsedBinaryData), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
}
return base64_decode($parsedBinaryData, true);
}
private static function isBinaryString(string $value): bool
{
return !preg_match('//u', $value) || preg_match('/[^\x00\x07-\x0d\x1B\x20-\xff]/', $value);
}
/**
* Gets a regex that matches a YAML date.
*
* @see http://www.yaml.org/spec/1.2/spec.html#id2761573
*/
private static function getTimestampRegex(): string
{
return <<<EOF
~^
(?P<year>[0-9][0-9][0-9][0-9])
-(?P<month>[0-9][0-9]?)
-(?P<day>[0-9][0-9]?)
(?:(?:[Tt]|[ \t]+)
(?P<hour>[0-9][0-9]?)
:(?P<minute>[0-9][0-9])
:(?P<second>[0-9][0-9])
(?:\.(?P<fraction>[0-9]*))?
(?:[ \t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?)
(?::(?P<tz_minute>[0-9][0-9]))?))?)?
$~x
EOF;
}
/**
* Gets a regex that matches a YAML number in hexadecimal notation.
*/
private static function getHexRegex(): string
{
return '~^0x[0-9a-f_]++$~i';
}
}

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Copyright (c) 2004-present Fabien Potencier
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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Yaml Component
==============
The Yaml component loads and dumps YAML files.
Resources
---------
* [Documentation](https://symfony.com/doc/current/components/yaml.html)
* [Contributing](https://symfony.com/doc/current/contributing/index.html)
* [Report issues](https://github.com/symfony/symfony/issues) and
[send Pull Requests](https://github.com/symfony/symfony/pulls)
in the [main Symfony repository](https://github.com/symfony/symfony)

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#!/usr/bin/env php
<?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.
*/
if ('cli' !== \PHP_SAPI) {
throw new Exception('This script must be run from the command line.');
}
/**
* Runs the Yaml lint command.
*
* @author Jan Schädlich <jan.schaedlich@sensiolabs.de>
*/
use Symfony\Component\Console\Application;
use Symfony\Component\Yaml\Command\LintCommand;
function includeIfExists(string $file): bool
{
return file_exists($file) && include $file;
}
if (
!includeIfExists(__DIR__ . '/../../../../autoload.php') &&
!includeIfExists(__DIR__ . '/../../vendor/autoload.php') &&
!includeIfExists(__DIR__ . '/../../../../../../vendor/autoload.php')
) {
fwrite(STDERR, 'Install dependencies using Composer.'.PHP_EOL);
exit(1);
}
if (!class_exists(Application::class)) {
fwrite(STDERR, 'You need the "symfony/console" component in order to run the Yaml linter.'.PHP_EOL);
exit(1);
}
(new Application())->add($command = new LintCommand())
->getApplication()
->setDefaultCommand($command->getName(), true)
->run()
;

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<?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\Tag;
/**
* @author Nicolas Grekas <p@tchwork.com>
* @author Guilhem N. <egetick@gmail.com>
*/
final class TaggedValue
{
private string $tag;
private mixed $value;
public function __construct(string $tag, mixed $value)
{
$this->tag = $tag;
$this->value = $value;
}
public function getTag(): string
{
return $this->tag;
}
public function getValue(): mixed
{
return $this->value;
}
}

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<?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;
use Symfony\Component\Yaml\Exception\ParseException;
/**
* Unescaper encapsulates unescaping rules for single and double-quoted
* YAML strings.
*
* @author Matthew Lewinski <matthew@lewinski.org>
*
* @internal
*/
class Unescaper
{
/**
* Regex fragment that matches an escaped character in a double quoted string.
*/
public const REGEX_ESCAPED_CHARACTER = '\\\\(x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8}|.)';
/**
* Unescapes a single quoted string.
*
* @param string $value A single quoted string
*/
public function unescapeSingleQuotedString(string $value): string
{
return str_replace('\'\'', '\'', $value);
}
/**
* Unescapes a double quoted string.
*
* @param string $value A double quoted string
*/
public function unescapeDoubleQuotedString(string $value): string
{
$callback = fn ($match) => $this->unescapeCharacter($match[0]);
// evaluate the string
return preg_replace_callback('/'.self::REGEX_ESCAPED_CHARACTER.'/u', $callback, $value);
}
/**
* Unescapes a character that was found in a double-quoted string.
*
* @param string $value An escaped character
*/
private function unescapeCharacter(string $value): string
{
return match ($value[1]) {
'0' => "\x0",
'a' => "\x7",
'b' => "\x8",
't' => "\t",
"\t" => "\t",
'n' => "\n",
'v' => "\xB",
'f' => "\xC",
'r' => "\r",
'e' => "\x1B",
' ' => ' ',
'"' => '"',
'/' => '/',
'\\' => '\\',
// U+0085 NEXT LINE
'N' => "\xC2\x85",
// U+00A0 NO-BREAK SPACE
'_' => "\xC2\xA0",
// U+2028 LINE SEPARATOR
'L' => "\xE2\x80\xA8",
// U+2029 PARAGRAPH SEPARATOR
'P' => "\xE2\x80\xA9",
'x' => self::utf8chr(hexdec(substr($value, 2, 2))),
'u' => self::utf8chr(hexdec(substr($value, 2, 4))),
'U' => self::utf8chr(hexdec(substr($value, 2, 8))),
default => throw new ParseException(sprintf('Found unknown escape character "%s".', $value)),
};
}
/**
* Get the UTF-8 character for the given code point.
*/
private static function utf8chr(int $c): string
{
if (0x80 > $c %= 0x200000) {
return \chr($c);
}
if (0x800 > $c) {
return \chr(0xC0 | $c >> 6).\chr(0x80 | $c & 0x3F);
}
if (0x10000 > $c) {
return \chr(0xE0 | $c >> 12).\chr(0x80 | $c >> 6 & 0x3F).\chr(0x80 | $c & 0x3F);
}
return \chr(0xF0 | $c >> 18).\chr(0x80 | $c >> 12 & 0x3F).\chr(0x80 | $c >> 6 & 0x3F).\chr(0x80 | $c & 0x3F);
}
}

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<?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;
use Symfony\Component\Yaml\Exception\ParseException;
/**
* Yaml offers convenience methods to load and dump YAML.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final
*/
class Yaml
{
public const DUMP_OBJECT = 1;
public const PARSE_EXCEPTION_ON_INVALID_TYPE = 2;
public const PARSE_OBJECT = 4;
public const PARSE_OBJECT_FOR_MAP = 8;
public const DUMP_EXCEPTION_ON_INVALID_TYPE = 16;
public const PARSE_DATETIME = 32;
public const DUMP_OBJECT_AS_MAP = 64;
public const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;
public const PARSE_CONSTANT = 256;
public const PARSE_CUSTOM_TAGS = 512;
public const DUMP_EMPTY_ARRAY_AS_SEQUENCE = 1024;
public const DUMP_NULL_AS_TILDE = 2048;
public const DUMP_NUMERIC_KEY_AS_STRING = 4096;
/**
* Parses a YAML file into a PHP value.
*
* Usage:
*
* $array = Yaml::parseFile('config.yml');
* print_r($array);
*
* @param string $filename The path to the YAML file to be parsed
* @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
*
* @throws ParseException If the file could not be read or the YAML is not valid
*/
public static function parseFile(string $filename, int $flags = 0): mixed
{
$yaml = new Parser();
return $yaml->parseFile($filename, $flags);
}
/**
* Parses YAML into a PHP value.
*
* Usage:
* <code>
* $array = Yaml::parse(file_get_contents('config.yml'));
* print_r($array);
* </code>
*
* @param string $input A string containing YAML
* @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
*
* @throws ParseException If the YAML is not valid
*/
public static function parse(string $input, int $flags = 0): mixed
{
$yaml = new Parser();
return $yaml->parse($input, $flags);
}
/**
* Dumps a PHP value to a YAML string.
*
* The dump method, when supplied with an array, will do its best
* to convert the array into friendly YAML.
*
* @param mixed $input The PHP value
* @param int $inline The level where you switch to inline YAML
* @param int $indent The amount of spaces to use for indentation of nested nodes
* @param int $flags A bit field of DUMP_* constants to customize the dumped YAML string
*/
public static function dump(mixed $input, int $inline = 2, int $indent = 4, int $flags = 0): string
{
$yaml = new Dumper($indent);
return $yaml->dump($input, $inline, 0, $flags);
}
}

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{
"name": "symfony/yaml",
"type": "library",
"description": "Loads and dumps YAML files",
"keywords": [],
"homepage": "https://symfony.com",
"license": "MIT",
"authors": [
{
"name": "Fabien Potencier",
"email": "fabien@symfony.com"
},
{
"name": "Symfony Community",
"homepage": "https://symfony.com/contributors"
}
],
"require": {
"php": ">=8.2",
"symfony/polyfill-ctype": "^1.8"
},
"require-dev": {
"symfony/console": "^6.4|^7.0"
},
"conflict": {
"symfony/console": "<6.4"
},
"autoload": {
"psr-4": { "Symfony\\Component\\Yaml\\": "" },
"exclude-from-classmap": [
"/Tests/"
]
},
"bin": [
"Resources/bin/yaml-lint"
],
"minimum-stability": "dev"
}