/**
* Parses a YAML string to a PHP value.
*
* @param string $value A YAML string
*
* @return mixed A PHP value
*
* @throws ParseException If the YAML is not valid
*/
public function parse($value)
{
$this->currentLineNb = -1;
$this->currentLine = '';
$this->lines = explode("\n", $this->cleanup($value));
if (function_exists('mb_detect_encoding') && false === mb_detect_encoding($value, 'UTF-8', true)) {
throw new ParseException('The YAML value does not appear to be valid UTF-8.');
}
if (function_exists('mb_internal_encoding') && (int) ini_get('mbstring.func_overload') & 2) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('UTF-8');
}
$data = array();
$context = null;
while ($this->moveToNextLine()) {
if ($this->isCurrentLineEmpty()) {
continue;
}
// tab?
if ("\t" === $this->currentLine[0]) {
throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$isRef = $isInPlace = $isProcessed = false;
if (preg_match('#^\\-((?P<leadspaces>\\s+)(?P<value>.+?))?\\s*$#u', $this->currentLine, $values)) {
if ($context && 'mapping' == $context) {
throw new ParseException('You cannot define a sequence item when in a mapping');
}
$context = 'sequence';
if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
// array
if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$data[] = $parser->parse($this->getNextEmbedBlock());
} else {
if (isset($values['leadspaces']) && ' ' == $values['leadspaces'] && preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\{\\[].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $values['value'], $matches)) {
// this is a compact notation element, add to next block and parse
$c = $this->getRealCurrentLineNb();
$parser = new Parser($c);
$parser->refs =& $this->refs;
$block = $values['value'];
if (!$this->isNextLineIndented()) {
$block .= "\n" . $this->getNextEmbedBlock($this->getCurrentLineIndentation() + 2);
}
$data[] = $parser->parse($block);
} else {
$data[] = $this->parseValue($values['value']);
}
}
} elseif (preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\[\\{].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $this->currentLine, $values)) {
if ($context && 'sequence' == $context) {
throw new ParseException('You cannot define a mapping item when in a sequence');
}
$context = 'mapping';
try {
$key = Inline::parseScalar($values['key']);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if ('<<' === $key) {
if (isset($values['value']) && 0 === strpos($values['value'], '*')) {
$isInPlace = substr($values['value'], 1);
if (!array_key_exists($isInPlace, $this->refs)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $isInPlace), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
} else {
if (isset($values['value']) && $values['value'] !== '') {
$value = $values['value'];
} else {
$value = $this->getNextEmbedBlock();
}
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$parsed = $parser->parse($value);
$merged = array();
if (!is_array($parsed)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
} elseif (isset($parsed[0])) {
// Numeric array, merge individual elements
foreach (array_reverse($parsed) as $parsedItem) {
if (!is_array($parsedItem)) {
throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem);
}
$merged = array_merge($parsedItem, $merged);
}
} else {
// Associative array, merge
$merged = array_merge($merged, $parsed);
}
$isProcessed = $merged;
}
} elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
if ($isProcessed) {
// Merge keys
$data = $isProcessed;
// hash
} elseif (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
// if next line is less indented or equal, then it means that the current value is null
if ($this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
$data[$key] = null;
} else {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$data[$key] = $parser->parse($this->getNextEmbedBlock());
}
} else {
if ($isInPlace) {
$data = $this->refs[$isInPlace];
} else {
$data[$key] = $this->parseValue($values['value']);
}
}
} else {
// 1-liner followed by newline
if (2 == count($this->lines) && empty($this->lines[1])) {
try {
$value = Inline::parse($this->lines[0]);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if (is_array($value)) {
$first = reset($value);
if (is_string($first) && 0 === strpos($first, '*')) {
$data = array();
foreach ($value as $alias) {
$data[] = $this->refs[substr($alias, 1)];
}
$value = $data;
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return $value;
}
switch (preg_last_error()) {
case PREG_INTERNAL_ERROR:
$error = 'Internal PCRE error.';
break;
case PREG_BACKTRACK_LIMIT_ERROR:
$error = 'pcre.backtrack_limit reached.';
break;
case PREG_RECURSION_LIMIT_ERROR:
$error = 'pcre.recursion_limit reached.';
break;
case PREG_BAD_UTF8_ERROR:
$error = 'Malformed UTF-8 data.';
break;
case PREG_BAD_UTF8_OFFSET_ERROR:
$error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.';
break;
default:
$error = 'Unable to parse.';
}
throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
if ($isRef) {
$this->refs[$isRef] = end($data);
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return empty($data) ? null : $data;
}
/**
* Parses a YAML string to a PHP value.
*
* @param string $value A YAML string
* @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
* @param bool $objectSupport true if object support is enabled, false otherwise
*
* @return mixed A PHP value
*
* @throws ParseException If the YAML is not valid
*/
public function parse($value, $exceptionOnInvalidType = false, $objectSupport = false)
{
$this->currentLineNb = -1;
$this->currentLine = '';
$this->lines = explode("\n", $this->cleanup($value));
if (!preg_match('//u', $value)) {
throw new ParseException('The YAML value does not appear to be valid UTF-8.');
}
if (function_exists('mb_internal_encoding') && (int) ini_get('mbstring.func_overload') & 2) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('UTF-8');
}
$data = array();
$context = null;
$allowOverwrite = false;
while ($this->moveToNextLine()) {
if ($this->isCurrentLineEmpty()) {
continue;
}
// tab?
if ("\t" === $this->currentLine[0]) {
throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$isRef = $mergeNode = false;
if (preg_match('#^\\-((?P<leadspaces>\\s+)(?P<value>.+?))?\\s*$#u', $this->currentLine, $values)) {
if ($context && 'mapping' == $context) {
throw new ParseException('You cannot define a sequence item when in a mapping');
}
$context = 'sequence';
if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
// array
if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$data[] = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport);
} else {
if (isset($values['leadspaces']) && ' ' == $values['leadspaces'] && preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\{\\[].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $values['value'], $matches)) {
// this is a compact notation element, add to next block and parse
$c = $this->getRealCurrentLineNb();
$parser = new Parser($c);
$parser->refs =& $this->refs;
$block = $values['value'];
if ($this->isNextLineIndented()) {
$block .= "\n" . $this->getNextEmbedBlock($this->getCurrentLineIndentation() + 2);
}
$data[] = $parser->parse($block, $exceptionOnInvalidType, $objectSupport);
} else {
$data[] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport);
}
}
} elseif (preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\[\\{].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $this->currentLine, $values) && (false === strpos($values['key'], ' #') || in_array($values['key'][0], array('"', "'")))) {
if ($context && 'sequence' == $context) {
throw new ParseException('You cannot define a mapping item when in a sequence');
}
$context = 'mapping';
// force correct settings
Inline::parse(null, $exceptionOnInvalidType, $objectSupport, $this->refs);
try {
$key = Inline::parseScalar($values['key']);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if ('<<' === $key) {
$mergeNode = true;
$allowOverwrite = true;
if (isset($values['value']) && 0 === strpos($values['value'], '*')) {
$refName = substr($values['value'], 1);
if (!array_key_exists($refName, $this->refs)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $refName), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$refValue = $this->refs[$refName];
if (!is_array($refValue)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
foreach ($refValue as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
if (isset($values['value']) && $values['value'] !== '') {
$value = $values['value'];
} else {
$value = $this->getNextEmbedBlock();
}
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$parsed = $parser->parse($value, $exceptionOnInvalidType, $objectSupport);
if (!is_array($parsed)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
if (isset($parsed[0])) {
// If the value associated with the merge key is a sequence, then this sequence is expected to contain mapping nodes
// and each of these nodes is merged in turn according to its order in the sequence. Keys in mapping nodes earlier
// in the sequence override keys specified in later mapping nodes.
foreach ($parsed as $parsedItem) {
if (!is_array($parsedItem)) {
throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem);
}
foreach ($parsedItem as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
} else {
// If the value associated with the key is a single mapping node, each of its key/value pairs is inserted into the
// current mapping, unless the key already exists in it.
foreach ($parsed as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
}
} elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
if ($mergeNode) {
// Merge keys
} elseif (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
// hash
// if next line is less indented or equal, then it means that the current value is null
if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = null;
}
} else {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new Parser($c);
$parser->refs =& $this->refs;
$value = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport);
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
$value = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport);
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
// 1-liner optionally followed by newline
$lineCount = count($this->lines);
if (1 === $lineCount || 2 === $lineCount && empty($this->lines[1])) {
try {
$value = Inline::parse($this->lines[0], $exceptionOnInvalidType, $objectSupport, $this->refs);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if (is_array($value)) {
$first = reset($value);
if (is_string($first) && 0 === strpos($first, '*')) {
$data = array();
foreach ($value as $alias) {
$data[] = $this->refs[substr($alias, 1)];
}
$value = $data;
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return $value;
}
switch (preg_last_error()) {
case PREG_INTERNAL_ERROR:
$error = 'Internal PCRE error.';
break;
case PREG_BACKTRACK_LIMIT_ERROR:
$error = 'pcre.backtrack_limit reached.';
break;
case PREG_RECURSION_LIMIT_ERROR:
$error = 'pcre.recursion_limit reached.';
break;
case PREG_BAD_UTF8_ERROR:
$error = 'Malformed UTF-8 data.';
break;
case PREG_BAD_UTF8_OFFSET_ERROR:
$error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.';
break;
default:
$error = 'Unable to parse.';
}
throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
if ($isRef) {
$this->refs[$isRef] = end($data);
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return empty($data) ? null : $data;
}
/**
* Parses a YAML string to a PHP value.
*
* @param string $value A YAML string
* @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
*
* @return mixed A PHP value
*
* @throws ParseException If the YAML is not valid
*/
public function parse($value, $flags = 0)
{
if (is_bool($flags)) {
@trigger_error('Passing a boolean flag to toggle exception handling is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::PARSE_EXCEPTION_ON_INVALID_TYPE flag instead.', E_USER_DEPRECATED);
if ($flags) {
$flags = Yaml::PARSE_EXCEPTION_ON_INVALID_TYPE;
} else {
$flags = 0;
}
}
if (func_num_args() >= 3) {
@trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::PARSE_OBJECT flag instead.', E_USER_DEPRECATED);
if (func_get_arg(2)) {
$flags |= Yaml::PARSE_OBJECT;
}
}
if (func_num_args() >= 4) {
@trigger_error('Passing a boolean flag to toggle object for map support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::PARSE_OBJECT_FOR_MAP flag instead.', E_USER_DEPRECATED);
if (func_get_arg(3)) {
$flags |= Yaml::PARSE_OBJECT_FOR_MAP;
}
}
if (!preg_match('//u', $value)) {
throw new ParseException('The YAML value does not appear to be valid UTF-8.');
}
$this->currentLineNb = -1;
$this->currentLine = '';
$value = $this->cleanup($value);
$this->lines = explode("\n", $value);
if (null === $this->totalNumberOfLines) {
$this->totalNumberOfLines = count($this->lines);
}
if (2 & (int) ini_get('mbstring.func_overload')) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('UTF-8');
}
$data = array();
$context = null;
$allowOverwrite = false;
while ($this->moveToNextLine()) {
if ($this->isCurrentLineEmpty()) {
continue;
}
// tab?
if ("\t" === $this->currentLine[0]) {
throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$isRef = $mergeNode = false;
if (preg_match('#^\\-((?P<leadspaces>\\s+)(?P<value>.+?))?\\s*$#u', $this->currentLine, $values)) {
if ($context && 'mapping' == $context) {
throw new ParseException('You cannot define a sequence item when in a mapping', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$context = 'sequence';
if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
// array
if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
$data[] = $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(null, true), $flags);
} else {
if (isset($values['leadspaces']) && preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\{\\[].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $values['value'], $matches)) {
// this is a compact notation element, add to next block and parse
$block = $values['value'];
if ($this->isNextLineIndented()) {
$block .= "\n" . $this->getNextEmbedBlock($this->getCurrentLineIndentation() + strlen($values['leadspaces']) + 1);
}
$data[] = $this->parseBlock($this->getRealCurrentLineNb(), $block, $flags);
} else {
$data[] = $this->parseValue($values['value'], $flags, $context);
}
}
if ($isRef) {
$this->refs[$isRef] = end($data);
}
} elseif (preg_match('#^(?P<key>' . Inline::REGEX_QUOTED_STRING . '|[^ \'"\\[\\{].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u', $this->currentLine, $values) && (false === strpos($values['key'], ' #') || in_array($values['key'][0], array('"', "'")))) {
if ($context && 'sequence' == $context) {
throw new ParseException('You cannot define a mapping item when in a sequence', $this->currentLineNb + 1, $this->currentLine);
}
$context = 'mapping';
// force correct settings
Inline::parse(null, $flags, $this->refs);
try {
Inline::$parsedLineNumber = $this->getRealCurrentLineNb();
$key = Inline::parseScalar($values['key']);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
// Convert float keys to strings, to avoid being converted to integers by PHP
if (is_float($key)) {
$key = (string) $key;
}
if ('<<' === $key) {
$mergeNode = true;
$allowOverwrite = true;
if (isset($values['value']) && 0 === strpos($values['value'], '*')) {
$refName = substr($values['value'], 1);
if (!array_key_exists($refName, $this->refs)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $refName), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$refValue = $this->refs[$refName];
if (!is_array($refValue)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
foreach ($refValue as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
if (isset($values['value']) && $values['value'] !== '') {
$value = $values['value'];
} else {
$value = $this->getNextEmbedBlock();
}
$parsed = $this->parseBlock($this->getRealCurrentLineNb() + 1, $value, $flags);
if (!is_array($parsed)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
if (isset($parsed[0])) {
// If the value associated with the merge key is a sequence, then this sequence is expected to contain mapping nodes
// and each of these nodes is merged in turn according to its order in the sequence. Keys in mapping nodes earlier
// in the sequence override keys specified in later mapping nodes.
foreach ($parsed as $parsedItem) {
if (!is_array($parsedItem)) {
throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem);
}
foreach ($parsedItem as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
} else {
// If the value associated with the key is a single mapping node, each of its key/value pairs is inserted into the
// current mapping, unless the key already exists in it.
foreach ($parsed as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
}
} elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
if ($mergeNode) {
// Merge keys
} elseif (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
// hash
// if next line is less indented or equal, then it means that the current value is null
if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = null;
} else {
@trigger_error(sprintf('Duplicate key "%s" detected on line %d whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since version 3.2 and will throw \\Symfony\\Component\\Yaml\\Exception\\ParseException in 4.0.', $key, $this->getRealCurrentLineNb() + 1), E_USER_DEPRECATED);
}
} else {
// remember the parsed line number here in case we need it to provide some contexts in error messages below
$realCurrentLineNbKey = $this->getRealCurrentLineNb();
$value = $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(), $flags);
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
} else {
@trigger_error(sprintf('Duplicate key "%s" detected on line %d whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since version 3.2 and will throw \\Symfony\\Component\\Yaml\\Exception\\ParseException in 4.0.', $key, $realCurrentLineNbKey + 1), E_USER_DEPRECATED);
}
}
} else {
$value = $this->parseValue($values['value'], $flags, $context);
// Spec: Keys MUST be unique; first one wins.
// But overwriting is allowed when a merge node is used in current block.
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
} else {
@trigger_error(sprintf('Duplicate key "%s" detected on line %d whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since version 3.2 and will throw \\Symfony\\Component\\Yaml\\Exception\\ParseException in 4.0.', $key, $this->getRealCurrentLineNb() + 1), E_USER_DEPRECATED);
}
}
if ($isRef) {
$this->refs[$isRef] = $data[$key];
}
} else {
// multiple documents are not supported
if ('---' === $this->currentLine) {
throw new ParseException('Multiple documents are not supported.', $this->currentLineNb + 1, $this->currentLine);
}
// 1-liner optionally followed by newline(s)
if (is_string($value) && $this->lines[0] === trim($value)) {
try {
Inline::$parsedLineNumber = $this->getRealCurrentLineNb();
$value = Inline::parse($this->lines[0], $flags, $this->refs);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return $value;
}
switch (preg_last_error()) {
case PREG_INTERNAL_ERROR:
$error = 'Internal PCRE error.';
break;
case PREG_BACKTRACK_LIMIT_ERROR:
$error = 'pcre.backtrack_limit reached.';
break;
case PREG_RECURSION_LIMIT_ERROR:
$error = 'pcre.recursion_limit reached.';
break;
case PREG_BAD_UTF8_ERROR:
$error = 'Malformed UTF-8 data.';
break;
case PREG_BAD_UTF8_OFFSET_ERROR:
$error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.';
break;
default:
$error = 'Unable to parse.';
}
throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
if (Yaml::PARSE_OBJECT_FOR_MAP & $flags && !is_object($data) && 'mapping' === $context) {
$object = new \stdClass();
foreach ($data as $key => $value) {
$object->{$key} = $value;
}
$data = $object;
}
return empty($data) ? null : $data;
}
public function testParseScalarWithCorrectlyQuotedStringShouldReturnString()
{
$value = "'don''t do somthin'' like that'";
$expect = "don't do somthin' like that";
$this->assertSame($expect, Inline::parseScalar($value));
}
public function parse($value, $exceptionOnInvalidType = false, $objectSupport = false, $objectForMap = false)
{
if (!preg_match('//u', $value)) {
throw new ParseException('The YAML value does not appear to be valid UTF-8.');
}
$this->currentLineNb = -1;
$this->currentLine = '';
$value = $this->cleanup($value);
$this->lines = explode("\n", $value);
if (2 & (int) ini_get('mbstring.func_overload')) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('UTF-8');
}
$data = array();
$context = null;
$allowOverwrite = false;
while ($this->moveToNextLine()) {
if ($this->isCurrentLineEmpty()) {
continue;
}
if ("\t" === $this->currentLine[0]) {
throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$isRef = $mergeNode = false;
if (preg_match('#^\-((?P<leadspaces>\s+)(?P<value>.+?))?\s*$#u', $this->currentLine, $values)) {
if ($context && 'mapping' == $context) {
throw new ParseException('You cannot define a sequence item when in a mapping');
}
$context = 'sequence';
if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new self($c);
$parser->refs = &$this->refs;
$data[] = $parser->parse($this->getNextEmbedBlock(null, true), $exceptionOnInvalidType, $objectSupport, $objectForMap);
} else {
if (isset($values['leadspaces'])
&& preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $values['value'], $matches)
) {
$c = $this->getRealCurrentLineNb();
$parser = new self($c);
$parser->refs = &$this->refs;
$block = $values['value'];
if ($this->isNextLineIndented()) {
$block .= "\n".$this->getNextEmbedBlock($this->getCurrentLineIndentation() + strlen($values['leadspaces']) + 1);
}
$data[] = $parser->parse($block, $exceptionOnInvalidType, $objectSupport, $objectForMap);
} else {
$data[] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport, $objectForMap, $context);
}
}
if ($isRef) {
$this->refs[$isRef] = end($data);
}
} elseif (preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\[\{].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->currentLine, $values) && (false === strpos($values['key'], ' #') || in_array($values['key'][0], array('"', "'")))) {
if ($context && 'sequence' == $context) {
throw new ParseException('You cannot define a mapping item when in a sequence');
}
$context = 'mapping';
Inline::parse(null, $exceptionOnInvalidType, $objectSupport, $objectForMap, $this->refs);
try {
$key = Inline::parseScalar($values['key']);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if (is_float($key)) {
$key = (string) $key;
}
if ('<<' === $key) {
$mergeNode = true;
$allowOverwrite = true;
if (isset($values['value']) && 0 === strpos($values['value'], '*')) {
$refName = substr($values['value'], 1);
if (!array_key_exists($refName, $this->refs)) {
throw new ParseException(sprintf('Reference "%s" does not exist.', $refName), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
$refValue = $this->refs[$refName];
if (!is_array($refValue)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
foreach ($refValue as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
if (isset($values['value']) && $values['value'] !== '') {
$value = $values['value'];
} else {
$value = $this->getNextEmbedBlock();
}
$c = $this->getRealCurrentLineNb() + 1;
$parser = new self($c);
$parser->refs = &$this->refs;
$parsed = $parser->parse($value, $exceptionOnInvalidType, $objectSupport, $objectForMap);
if (!is_array($parsed)) {
throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
if (isset($parsed[0])) {
foreach ($parsed as $parsedItem) {
if (!is_array($parsedItem)) {
throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem);
}
foreach ($parsedItem as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
} else {
foreach ($parsed as $key => $value) {
if (!isset($data[$key])) {
$data[$key] = $value;
}
}
}
}
} elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$values['value'] = $matches['value'];
}
if ($mergeNode) {
} elseif (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = null;
}
} else {
$c = $this->getRealCurrentLineNb() + 1;
$parser = new self($c);
$parser->refs = &$this->refs;
$value = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport, $objectForMap);
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
}
}
} else {
$value = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport, $objectForMap, $context);
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
}
}
if ($isRef) {
$this->refs[$isRef] = $data[$key];
}
} else {
if ('---' === $this->currentLine) {
throw new ParseException('Multiple documents are not supported.');
}
if (is_string($value) && $this->lines[0] === trim($value)) {
try {
$value = Inline::parse($this->lines[0], $exceptionOnInvalidType, $objectSupport, $objectForMap, $this->refs);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
if (is_array($value)) {
$first = reset($value);
if (is_string($first) && 0 === strpos($first, '*')) {
$data = array();
foreach ($value as $alias) {
$data[] = $this->refs[substr($alias, 1)];
}
$value = $data;
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return $value;
}
switch (preg_last_error()) {
case PREG_INTERNAL_ERROR:
$error = 'Internal PCRE error.';
break;
case PREG_BACKTRACK_LIMIT_ERROR:
$error = 'pcre.backtrack_limit reached.';
break;
case PREG_RECURSION_LIMIT_ERROR:
$error = 'pcre.recursion_limit reached.';
break;
case PREG_BAD_UTF8_ERROR:
$error = 'Malformed UTF-8 data.';
break;
case PREG_BAD_UTF8_OFFSET_ERROR:
$error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.';
break;
default:
$error = 'Unable to parse.';
}
throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
if ($objectForMap && !is_object($data)) {
$data = (object) $data;
}
return empty($data) ? null : $data;
}