/**
* 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 bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
* @param bool $objectSupport true if object support is enabled, false otherwise
*
* @return string The YAML representation of the PHP value
*/
public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false)
{
$output = '';
$prefix = $indent ? str_repeat(' ', $indent) : '';
if ($inline <= 0 || !is_array($input) || empty($input)) {
$output .= $prefix . Inline::dump($input, $exceptionOnInvalidType, $objectSupport);
} else {
$isAHash = array_keys($input) !== range(0, count($input) - 1);
foreach ($input as $key => $value) {
$willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value);
$output .= sprintf('%s%s%s%s', $prefix, $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport) . ':' : '-', $willBeInlined ? ' ' : "\n", $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport)) . ($willBeInlined ? "\n" : '');
}
}
return $output;
}
/**
* Parses a YAML value.
*
* @param string $value A YAML value
* @param bool $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
* @param bool $objectSupport True if object support is enabled, false otherwise
* @param bool $objectForMap true if maps should return a stdClass instead of array()
*
* @return mixed A PHP value
*
* @throws ParseException When reference does not exist
*/
private function parseValue($value, $exceptionOnInvalidType, $objectSupport, $objectForMap)
{
if (0 === strpos($value, '*')) {
if (false !== ($pos = strpos($value, '#'))) {
$value = substr($value, 1, $pos - 2);
} else {
$value = substr($value, 1);
}
if (!array_key_exists($value, $this->refs)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $value), $this->currentLine);
}
return $this->refs[$value];
}
if (preg_match('/^' . self::FOLDED_SCALAR_PATTERN . '$/', $value, $matches)) {
$modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : '';
return $this->parseFoldedScalar($matches['separator'], preg_replace('#\\d+#', '', $modifiers), intval(abs($modifiers)));
}
try {
return Inline::parse($value, $exceptionOnInvalidType, $objectSupport, $objectForMap);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
}