updated backend

This commit is contained in:
Torsten 2020-01-17 10:58:01 +01:00
parent 1fea0f4fe7
commit 11521c2339
3459 changed files with 72735 additions and 168535 deletions

View file

@ -19,7 +19,7 @@ use Symfony\Component\Yaml\Tag\TaggedValue;
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final since version 3.4
* @final
*/
class Parser
{
@ -29,27 +29,13 @@ class Parser
private $filename;
private $offset = 0;
private $totalNumberOfLines;
private $lines = array();
private $lines = [];
private $currentLineNb = -1;
private $currentLine = '';
private $refs = array();
private $skippedLineNumbers = array();
private $locallySkippedLineNumbers = array();
public function __construct()
{
if (\func_num_args() > 0) {
@trigger_error(sprintf('The constructor arguments $offset, $totalNumberOfLines, $skippedLineNumbers of %s are deprecated and will be removed in 4.0', self::class), E_USER_DEPRECATED);
$this->offset = func_get_arg(0);
if (\func_num_args() > 1) {
$this->totalNumberOfLines = func_get_arg(1);
}
if (\func_num_args() > 2) {
$this->skippedLineNumbers = func_get_arg(2);
}
}
}
private $refs = [];
private $skippedLineNumbers = [];
private $locallySkippedLineNumbers = [];
private $refsBeingParsed = [];
/**
* Parses a YAML file into a PHP value.
@ -61,7 +47,7 @@ class Parser
*
* @throws ParseException If the file could not be read or the YAML is not valid
*/
public function parseFile($filename, $flags = 0)
public function parseFile(string $filename, int $flags = 0)
{
if (!is_file($filename)) {
throw new ParseException(sprintf('File "%s" does not exist.', $filename));
@ -90,47 +76,15 @@ class Parser
*
* @throws ParseException If the YAML is not valid
*/
public function parse($value, $flags = 0)
public function parse(string $value, int $flags = 0)
{
if (\is_bool($flags)) {
@trigger_error('Passing a boolean flag to toggle exception handling is deprecated since Symfony 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 Symfony 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 Symfony 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 (Yaml::PARSE_KEYS_AS_STRINGS & $flags) {
@trigger_error('Using the Yaml::PARSE_KEYS_AS_STRINGS flag is deprecated since Symfony 3.4 as it will be removed in 4.0. Quote your keys when they are evaluable instead.', E_USER_DEPRECATED);
}
if (false === preg_match('//u', $value)) {
throw new ParseException('The YAML value does not appear to be valid UTF-8.', -1, null, $this->filename);
}
$this->refs = array();
$this->refs = [];
$mbEncoding = null;
$e = null;
$data = null;
if (2 /* MB_OVERLOAD_STRING */ & (int) ini_get('mbstring.func_overload')) {
$mbEncoding = mb_internal_encoding();
@ -139,34 +93,27 @@ class Parser
try {
$data = $this->doParse($value, $flags);
} catch (\Exception $e) {
} catch (\Throwable $e) {
}
if (null !== $mbEncoding) {
mb_internal_encoding($mbEncoding);
}
$this->lines = array();
$this->currentLine = '';
$this->refs = array();
$this->skippedLineNumbers = array();
$this->locallySkippedLineNumbers = array();
if (null !== $e) {
throw $e;
} finally {
if (null !== $mbEncoding) {
mb_internal_encoding($mbEncoding);
}
$this->lines = [];
$this->currentLine = '';
$this->refs = [];
$this->skippedLineNumbers = [];
$this->locallySkippedLineNumbers = [];
}
return $data;
}
private function doParse($value, $flags)
private function doParse(string $value, int $flags)
{
$this->currentLineNb = -1;
$this->currentLine = '';
$value = $this->cleanup($value);
$this->lines = explode("\n", $value);
$this->locallySkippedLineNumbers = array();
$this->locallySkippedLineNumbers = [];
if (null === $this->totalNumberOfLines) {
$this->totalNumberOfLines = \count($this->lines);
@ -176,7 +123,7 @@ class Parser
return null;
}
$data = array();
$data = [];
$context = null;
$allowOverwrite = false;
@ -204,24 +151,25 @@ class Parser
Inline::initialize($flags, $this->getRealCurrentLineNb(), $this->filename);
$isRef = $mergeNode = false;
if (self::preg_match('#^\-((?P<leadspaces>\s+)(?P<value>.+))?$#u', rtrim($this->currentLine), $values)) {
if ('-' === $this->currentLine[0] && self::preg_match('#^\-((?P<leadspaces>\s+)(?P<value>.+))?$#u', rtrim($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, $this->filename);
}
$context = 'sequence';
if (isset($values['value']) && self::preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
if (isset($values['value']) && '&' === $values['value'][0] && self::preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$this->refsBeingParsed[] = $isRef;
$values['value'] = $matches['value'];
}
if (isset($values['value'][1]) && '?' === $values['value'][0] && ' ' === $values['value'][1]) {
@trigger_error($this->getDeprecationMessage('Starting an unquoted string with a question mark followed by a space is deprecated since Symfony 3.3 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0.'), E_USER_DEPRECATED);
throw new ParseException('Complex mappings are not supported.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
// array
if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
$data[] = $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(null, true), $flags);
$data[] = $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(null, true) ?? '', $flags);
} elseif (null !== $subTag = $this->getLineTag(ltrim($values['value'], ' '), $flags)) {
$data[] = new TaggedValue(
$subTag,
@ -244,10 +192,11 @@ class Parser
}
if ($isRef) {
$this->refs[$isRef] = end($data);
array_pop($this->refsBeingParsed);
}
} elseif (
self::preg_match('#^(?P<key>(?:![^\s]++\s++)?(?:'.Inline::REGEX_QUOTED_STRING.'|(?:!?!php/const:)?[^ \'"\[\{!].*?)) *\:(\s++(?P<value>.+))?$#u', rtrim($this->currentLine), $values)
&& (false === strpos($values['key'], ' #') || \in_array($values['key'][0], array('"', "'")))
&& (false === strpos($values['key'], ' #') || \in_array($values['key'][0], ['"', "'"]))
) {
if ($context && 'sequence' == $context) {
throw new ParseException('You cannot define a mapping item when in a sequence', $this->currentLineNb + 1, $this->currentLine, $this->filename);
@ -255,15 +204,7 @@ class Parser
$context = 'mapping';
try {
$i = 0;
$evaluateKey = !(Yaml::PARSE_KEYS_AS_STRINGS & $flags);
// constants in key will be evaluated anyway
if (isset($values['key'][0]) && '!' === $values['key'][0] && Yaml::PARSE_CONSTANT & $flags) {
$evaluateKey = true;
}
$key = Inline::parseScalar($values['key'], 0, null, $i, $evaluateKey);
$key = Inline::parseScalar($values['key']);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
@ -272,8 +213,7 @@ class Parser
}
if (!\is_string($key) && !\is_int($key)) {
$keyType = is_numeric($key) ? 'numeric key' : 'non-string key';
@trigger_error($this->getDeprecationMessage(sprintf('Implicit casting of %s to string is deprecated since Symfony 3.3 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0. Quote your evaluable mapping keys instead.', $keyType)), E_USER_DEPRECATED);
throw new ParseException(sprintf('%s keys are not supported. Quote your evaluable mapping keys instead.', is_numeric($key) ? 'Numeric' : 'Non-string'), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
// Convert float keys to strings, to avoid being converted to integers by PHP
@ -281,12 +221,16 @@ class Parser
$key = (string) $key;
}
if ('<<' === $key && (!isset($values['value']) || !self::preg_match('#^&(?P<ref>[^ ]+)#u', $values['value'], $refMatches))) {
if ('<<' === $key && (!isset($values['value']) || '&' !== $values['value'][0] || !self::preg_match('#^&(?P<ref>[^ ]+)#u', $values['value'], $refMatches))) {
$mergeNode = true;
$allowOverwrite = true;
if (isset($values['value'][0]) && '*' === $values['value'][0]) {
$refName = substr(rtrim($values['value']), 1);
if (!array_key_exists($refName, $this->refs)) {
if (!\array_key_exists($refName, $this->refs)) {
if (false !== $pos = array_search($refName, $this->refsBeingParsed, true)) {
throw new ParseException(sprintf('Circular reference [%s, %s] detected for reference "%s".', implode(', ', \array_slice($this->refsBeingParsed, $pos)), $refName, $refName), $this->currentLineNb + 1, $this->currentLine, $this->filename);
}
throw new ParseException(sprintf('Reference "%s" does not exist.', $refName), $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
@ -338,8 +282,9 @@ class Parser
$data += $parsed; // array union
}
}
} elseif ('<<' !== $key && isset($values['value']) && self::preg_match('#^&(?P<ref>[^ ]++) *+(?P<value>.*)#u', $values['value'], $matches)) {
} elseif ('<<' !== $key && isset($values['value']) && '&' === $values['value'][0] && self::preg_match('#^&(?P<ref>[^ ]++) *+(?P<value>.*)#u', $values['value'], $matches)) {
$isRef = $matches['ref'];
$this->refsBeingParsed[] = $isRef;
$values['value'] = $matches['value'];
}
@ -359,9 +304,11 @@ class Parser
$data[$key] = null;
}
} else {
@trigger_error($this->getDeprecationMessage(sprintf('Duplicate key "%s" detected whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since Symfony 3.2 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0.', $key)), E_USER_DEPRECATED);
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
} 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);
if ('<<' === $key) {
$this->refs[$refMatches['ref']] = $value;
@ -380,7 +327,7 @@ class Parser
$data[$key] = $value;
}
} else {
@trigger_error($this->getDeprecationMessage(sprintf('Duplicate key "%s" detected whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since Symfony 3.2 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0.', $key)), E_USER_DEPRECATED);
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), $realCurrentLineNbKey + 1, $this->currentLine);
}
}
} else {
@ -390,11 +337,67 @@ class Parser
if ($allowOverwrite || !isset($data[$key])) {
$data[$key] = $value;
} else {
@trigger_error($this->getDeprecationMessage(sprintf('Duplicate key "%s" detected whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since Symfony 3.2 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0.', $key)), E_USER_DEPRECATED);
throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
}
if ($isRef) {
$this->refs[$isRef] = $data[$key];
array_pop($this->refsBeingParsed);
}
} elseif ('"' === $this->currentLine[0] || "'" === $this->currentLine[0]) {
if (null !== $context) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
try {
return Inline::parse($this->parseQuotedString($this->currentLine), $flags, $this->refs);
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
} elseif ('{' === $this->currentLine[0]) {
if (null !== $context) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
try {
$parsedMapping = Inline::parse($this->lexInlineMapping($this->currentLine), $flags, $this->refs);
while ($this->moveToNextLine()) {
if (!$this->isCurrentLineEmpty()) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
}
return $parsedMapping;
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
} elseif ('[' === $this->currentLine[0]) {
if (null !== $context) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
try {
$parsedSequence = Inline::parse($this->lexInlineSequence($this->currentLine), $flags, $this->refs);
while ($this->moveToNextLine()) {
if (!$this->isCurrentLineEmpty()) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
}
return $parsedSequence;
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
} else {
// multiple documents are not supported
@ -403,7 +406,7 @@ class Parser
}
if ($deprecatedUsage = (isset($this->currentLine[1]) && '?' === $this->currentLine[0] && ' ' === $this->currentLine[1])) {
@trigger_error($this->getDeprecationMessage('Starting an unquoted string with a question mark followed by a space is deprecated since Symfony 3.3 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0.'), E_USER_DEPRECATED);
throw new ParseException('Complex mappings are not supported.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
}
// 1-liner optionally followed by newline(s)
@ -427,10 +430,18 @@ class Parser
$value = '';
foreach ($this->lines as $line) {
if ('' !== ltrim($line) && '#' === ltrim($line)[0]) {
continue;
}
// If the indentation is not consistent at offset 0, it is to be considered as a ParseError
if (0 === $this->offset && !$deprecatedUsage && isset($line[0]) && ' ' === $line[0]) {
throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
}
if (false !== strpos($line, ': ')) {
@trigger_error('Support for mapping keys in multi-line blocks is deprecated since Symfony 4.3 and will throw a ParseException in 5.0.', E_USER_DEPRECATED);
}
if ('' === trim($line)) {
$value .= "\n";
} elseif (!$previousLineWasNewline && !$previousLineWasTerminatedWithBackslash) {
@ -483,7 +494,7 @@ class Parser
return empty($data) ? null : $data;
}
private function parseBlock($offset, $yaml, $flags)
private function parseBlock(int $offset, string $yaml, int $flags)
{
$skippedLineNumbers = $this->skippedLineNumbers;
@ -500,6 +511,7 @@ class Parser
$parser->totalNumberOfLines = $this->totalNumberOfLines;
$parser->skippedLineNumbers = $skippedLineNumbers;
$parser->refs = &$this->refs;
$parser->refsBeingParsed = $this->refsBeingParsed;
return $parser->doParse($yaml, $flags);
}
@ -511,7 +523,7 @@ class Parser
*
* @return int The current line number
*/
public function getRealCurrentLineNb()
public function getRealCurrentLineNb(): int
{
$realCurrentLineNumber = $this->currentLineNb + $this->offset;
@ -531,7 +543,7 @@ class Parser
*
* @return int The current line indentation
*/
private function getCurrentLineIndentation()
private function getCurrentLineIndentation(): int
{
return \strlen($this->currentLine) - \strlen(ltrim($this->currentLine, ' '));
}
@ -539,24 +551,19 @@ class Parser
/**
* Returns the next embed block of YAML.
*
* @param int $indentation The indent level at which the block is to be read, or null for default
* @param bool $inSequence True if the enclosing data structure is a sequence
* @param int|null $indentation The indent level at which the block is to be read, or null for default
* @param bool $inSequence True if the enclosing data structure is a sequence
*
* @return string A YAML string
*
* @throws ParseException When indentation problem are detected
*/
private function getNextEmbedBlock($indentation = null, $inSequence = false)
private function getNextEmbedBlock(int $indentation = null, bool $inSequence = false): string
{
$oldLineIndentation = $this->getCurrentLineIndentation();
$blockScalarIndentations = array();
if ($this->isBlockScalarHeader()) {
$blockScalarIndentations[] = $oldLineIndentation;
}
if (!$this->moveToNextLine()) {
return;
return '';
}
if (null === $indentation) {
@ -591,7 +598,7 @@ class Parser
$newIndent = $indentation;
}
$data = array();
$data = [];
if ($this->getCurrentLineIndentation() >= $newIndent) {
$data[] = substr($this->currentLine, $newIndent);
} elseif ($this->isCurrentLineEmpty() || $this->isCurrentLineComment()) {
@ -599,7 +606,7 @@ class Parser
} else {
$this->moveToPreviousLine();
return;
return '';
}
if ($inSequence && $oldLineIndentation === $newIndent && isset($data[0][0]) && '-' === $data[0][0]) {
@ -607,35 +614,14 @@ class Parser
// and therefore no nested list or mapping
$this->moveToPreviousLine();
return;
return '';
}
$isItUnindentedCollection = $this->isStringUnIndentedCollectionItem();
if (empty($blockScalarIndentations) && $this->isBlockScalarHeader()) {
$blockScalarIndentations[] = $this->getCurrentLineIndentation();
}
$previousLineIndentation = $this->getCurrentLineIndentation();
while ($this->moveToNextLine()) {
$indent = $this->getCurrentLineIndentation();
// terminate all block scalars that are more indented than the current line
if (!empty($blockScalarIndentations) && $indent < $previousLineIndentation && '' !== trim($this->currentLine)) {
foreach ($blockScalarIndentations as $key => $blockScalarIndentation) {
if ($blockScalarIndentation >= $indent) {
unset($blockScalarIndentations[$key]);
}
}
}
if (empty($blockScalarIndentations) && !$this->isCurrentLineComment() && $this->isBlockScalarHeader()) {
$blockScalarIndentations[] = $indent;
}
$previousLineIndentation = $indent;
if ($isItUnindentedCollection && !$this->isCurrentLineEmpty() && !$this->isStringUnIndentedCollectionItem() && $newIndent === $indent) {
$this->moveToPreviousLine();
break;
@ -664,10 +650,8 @@ class Parser
/**
* Moves the parser to the next line.
*
* @return bool
*/
private function moveToNextLine()
private function moveToNextLine(): bool
{
if ($this->currentLineNb >= \count($this->lines) - 1) {
return false;
@ -680,10 +664,8 @@ class Parser
/**
* Moves the parser to the previous line.
*
* @return bool
*/
private function moveToPreviousLine()
private function moveToPreviousLine(): bool
{
if ($this->currentLineNb < 1) {
return false;
@ -705,7 +687,7 @@ class Parser
*
* @throws ParseException When reference does not exist
*/
private function parseValue($value, $flags, $context)
private function parseValue(string $value, int $flags, string $context)
{
if (0 === strpos($value, '*')) {
if (false !== $pos = strpos($value, '#')) {
@ -714,32 +696,40 @@ class Parser
$value = substr($value, 1);
}
if (!array_key_exists($value, $this->refs)) {
if (!\array_key_exists($value, $this->refs)) {
if (false !== $pos = array_search($value, $this->refsBeingParsed, true)) {
throw new ParseException(sprintf('Circular reference [%s, %s] detected for reference "%s".', implode(', ', \array_slice($this->refsBeingParsed, $pos)), $value, $value), $this->currentLineNb + 1, $this->currentLine, $this->filename);
}
throw new ParseException(sprintf('Reference "%s" does not exist.', $value), $this->currentLineNb + 1, $this->currentLine, $this->filename);
}
return $this->refs[$value];
}
if (self::preg_match('/^(?:'.self::TAG_PATTERN.' +)?'.self::BLOCK_SCALAR_HEADER_PATTERN.'$/', $value, $matches)) {
if (\in_array($value[0], ['!', '|', '>'], true) && self::preg_match('/^(?:'.self::TAG_PATTERN.' +)?'.self::BLOCK_SCALAR_HEADER_PATTERN.'$/', $value, $matches)) {
$modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : '';
$data = $this->parseBlockScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), (int) abs($modifiers));
$data = $this->parseBlockScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), (int) abs((int) $modifiers));
if ('' !== $matches['tag']) {
if ('' !== $matches['tag'] && '!' !== $matches['tag']) {
if ('!!binary' === $matches['tag']) {
return Inline::evaluateBinaryScalar($data);
} elseif ('tagged' === $matches['tag']) {
return new TaggedValue(substr($matches['tag'], 1), $data);
} elseif ('!' !== $matches['tag']) {
@trigger_error($this->getDeprecationMessage(sprintf('Using the custom tag "%s" for the value "%s" is deprecated since Symfony 3.3. It will be replaced by an instance of %s in 4.0.', $matches['tag'], $data, TaggedValue::class)), E_USER_DEPRECATED);
}
return new TaggedValue(substr($matches['tag'], 1), $data);
}
return $data;
}
try {
if ('' !== $value && '{' === $value[0]) {
return Inline::parse($this->lexInlineMapping($value), $flags, $this->refs);
} elseif ('' !== $value && '[' === $value[0]) {
return Inline::parse($this->lexInlineSequence($value), $flags, $this->refs);
}
$quotation = '' !== $value && ('"' === $value[0] || "'" === $value[0]) ? $value[0] : null;
// do not take following lines into account when the current line is a quoted single line value
@ -747,7 +737,7 @@ class Parser
return Inline::parse($value, $flags, $this->refs);
}
$lines = array();
$lines = [];
while ($this->moveToNextLine()) {
// unquoted strings end before the first unindented line
@ -801,10 +791,8 @@ class Parser
* @param string $style The style indicator that was used to begin this block scalar (| or >)
* @param string $chomping The chomping indicator that was used to begin this block scalar (+ or -)
* @param int $indentation The indentation indicator that was used to begin this block scalar
*
* @return string The text value
*/
private function parseBlockScalar($style, $chomping = '', $indentation = 0)
private function parseBlockScalar(string $style, string $chomping = '', int $indentation = 0): string
{
$notEOF = $this->moveToNextLine();
if (!$notEOF) {
@ -812,7 +800,7 @@ class Parser
}
$isCurrentLineBlank = $this->isCurrentLineBlank();
$blockLines = array();
$blockLines = [];
// leading blank lines are consumed before determining indentation
while ($notEOF && $isCurrentLineBlank) {
@ -825,8 +813,10 @@ class Parser
// determine indentation if not specified
if (0 === $indentation) {
if (self::preg_match('/^ +/', $this->currentLine, $matches)) {
$indentation = \strlen($matches[0]);
$currentLineLength = \strlen($this->currentLine);
for ($i = 0; $i < $currentLineLength && ' ' === $this->currentLine[$i]; ++$i) {
++$indentation;
}
}
@ -911,7 +901,7 @@ class Parser
*
* @return bool Returns true if the next line is indented, false otherwise
*/
private function isNextLineIndented()
private function isNextLineIndented(): bool
{
$currentIndentation = $this->getCurrentLineIndentation();
$movements = 0;
@ -942,7 +932,7 @@ class Parser
*
* @return bool Returns true if the current line is empty or if it is a comment line, false otherwise
*/
private function isCurrentLineEmpty()
private function isCurrentLineEmpty(): bool
{
return $this->isCurrentLineBlank() || $this->isCurrentLineComment();
}
@ -952,7 +942,7 @@ class Parser
*
* @return bool Returns true if the current line is blank, false otherwise
*/
private function isCurrentLineBlank()
private function isCurrentLineBlank(): bool
{
return '' == trim($this->currentLine, ' ');
}
@ -962,7 +952,7 @@ class Parser
*
* @return bool Returns true if the current line is a comment line, false otherwise
*/
private function isCurrentLineComment()
private function isCurrentLineComment(): bool
{
//checking explicitly the first char of the trim is faster than loops or strpos
$ltrimmedLine = ltrim($this->currentLine, ' ');
@ -970,7 +960,7 @@ class Parser
return '' !== $ltrimmedLine && '#' === $ltrimmedLine[0];
}
private function isCurrentLineLastLineInDocument()
private function isCurrentLineLastLineInDocument(): bool
{
return ($this->offset + $this->currentLineNb) >= ($this->totalNumberOfLines - 1);
}
@ -982,9 +972,9 @@ class Parser
*
* @return string A cleaned up YAML string
*/
private function cleanup($value)
private function cleanup(string $value): string
{
$value = str_replace(array("\r\n", "\r"), "\n", $value);
$value = str_replace(["\r\n", "\r"], "\n", $value);
// strip YAML header
$count = 0;
@ -1018,7 +1008,7 @@ class Parser
*
* @return bool Returns true if the next line starts unindented collection, false otherwise
*/
private function isNextLineUnIndentedCollection()
private function isNextLineUnIndentedCollection(): bool
{
$currentIndentation = $this->getCurrentLineIndentation();
$movements = 0;
@ -1049,23 +1039,13 @@ class Parser
*
* @return bool Returns true if the string is un-indented collection item, false otherwise
*/
private function isStringUnIndentedCollectionItem()
private function isStringUnIndentedCollectionItem(): bool
{
return '-' === rtrim($this->currentLine) || 0 === strpos($this->currentLine, '- ');
}
/**
* Tests whether or not the current line is the header of a block scalar.
*
* @return bool
*/
private function isBlockScalarHeader()
{
return (bool) self::preg_match('~'.self::BLOCK_SCALAR_HEADER_PATTERN.'$~', $this->currentLine);
}
/**
* A local wrapper for `preg_match` which will throw a ParseException if there
* A local wrapper for "preg_match" which will throw a ParseException if there
* is an internal error in the PCRE engine.
*
* This avoids us needing to check for "false" every time PCRE is used
@ -1077,7 +1057,7 @@ class Parser
*
* @internal
*/
public static function preg_match($pattern, $subject, &$matches = null, $flags = 0, $offset = 0)
public static function preg_match(string $pattern, string $subject, array &$matches = null, int $flags = 0, int $offset = 0): int
{
if (false === $ret = preg_match($pattern, $subject, $matches, $flags, $offset)) {
switch (preg_last_error()) {
@ -1109,10 +1089,10 @@ class Parser
/**
* Trim the tag on top of the value.
*
* Prevent values such as `!foo {quz: bar}` to be considered as
* Prevent values such as "!foo {quz: bar}" to be considered as
* a mapping block.
*/
private function trimTag($value)
private function trimTag(string $value): string
{
if ('!' === $value[0]) {
return ltrim(substr($value, 1, strcspn($value, " \r\n", 1)), ' ');
@ -1121,14 +1101,14 @@ class Parser
return $value;
}
private function getLineTag($value, $flags, $nextLineCheck = true)
private function getLineTag(string $value, int $flags, bool $nextLineCheck = true): ?string
{
if ('' === $value || '!' !== $value[0] || 1 !== self::preg_match('/^'.self::TAG_PATTERN.' *( +#.*)?$/', $value, $matches)) {
return;
return null;
}
if ($nextLineCheck && !$this->isNextLineIndented()) {
return;
return null;
}
$tag = substr($matches['tag'], 1);
@ -1142,19 +1122,124 @@ class Parser
return $tag;
}
throw new ParseException(sprintf('Tags support is not enabled. You must use the flag `Yaml::PARSE_CUSTOM_TAGS` to use "%s".', $matches['tag']), $this->getRealCurrentLineNb() + 1, $value, $this->filename);
throw new ParseException(sprintf('Tags support is not enabled. You must use the flag "Yaml::PARSE_CUSTOM_TAGS" to use "%s".', $matches['tag']), $this->getRealCurrentLineNb() + 1, $value, $this->filename);
}
private function getDeprecationMessage($message)
private function parseQuotedString(string $yaml): ?string
{
$message = rtrim($message, '.');
if (null !== $this->filename) {
$message .= ' in '.$this->filename;
if ('' === $yaml || ('"' !== $yaml[0] && "'" !== $yaml[0])) {
throw new \InvalidArgumentException(sprintf('"%s" is not a quoted string.', $yaml));
}
$message .= ' on line '.($this->getRealCurrentLineNb() + 1);
$lines = [$yaml];
return $message.'.';
while ($this->moveToNextLine()) {
$lines[] = $this->currentLine;
if (!$this->isCurrentLineEmpty() && $yaml[0] === $this->currentLine[-1]) {
break;
}
}
$value = '';
for ($i = 0, $linesCount = \count($lines), $previousLineWasNewline = false, $previousLineWasTerminatedWithBackslash = false; $i < $linesCount; ++$i) {
if ('' === trim($lines[$i])) {
$value .= "\n";
} elseif (!$previousLineWasNewline && !$previousLineWasTerminatedWithBackslash) {
$value .= ' ';
}
if ('' !== trim($lines[$i]) && '\\' === substr($lines[$i], -1)) {
$value .= ltrim(substr($lines[$i], 0, -1));
} elseif ('' !== trim($lines[$i])) {
$value .= trim($lines[$i]);
}
if ('' === trim($lines[$i])) {
$previousLineWasNewline = true;
$previousLineWasTerminatedWithBackslash = false;
} elseif ('\\' === substr($lines[$i], -1)) {
$previousLineWasNewline = false;
$previousLineWasTerminatedWithBackslash = true;
} else {
$previousLineWasNewline = false;
$previousLineWasTerminatedWithBackslash = false;
}
}
return $value;
for ($i = 1; isset($yaml[$i]) && $quotation !== $yaml[$i]; ++$i) {
}
// quoted single line string
if (isset($yaml[$i]) && $quotation === $yaml[$i]) {
return $yaml;
}
$lines = [$yaml];
while ($this->moveToNextLine()) {
for ($i = 1; isset($this->currentLine[$i]) && $quotation !== $this->currentLine[$i]; ++$i) {
}
$lines[] = trim($this->currentLine);
if (isset($this->currentLine[$i]) && $quotation === $this->currentLine[$i]) {
break;
}
}
}
private function lexInlineMapping(string $yaml): string
{
if ('' === $yaml || '{' !== $yaml[0]) {
throw new \InvalidArgumentException(sprintf('"%s" is not a sequence.', $yaml));
}
for ($i = 1; isset($yaml[$i]) && '}' !== $yaml[$i]; ++$i) {
}
if (isset($yaml[$i]) && '}' === $yaml[$i]) {
return $yaml;
}
$lines = [$yaml];
while ($this->moveToNextLine()) {
$lines[] = $this->currentLine;
}
return implode("\n", $lines);
}
private function lexInlineSequence(string $yaml): string
{
if ('' === $yaml || '[' !== $yaml[0]) {
throw new \InvalidArgumentException(sprintf('"%s" is not a sequence.', $yaml));
}
for ($i = 1; isset($yaml[$i]) && ']' !== $yaml[$i]; ++$i) {
}
if (isset($yaml[$i]) && ']' === $yaml[$i]) {
return $yaml;
}
$value = $yaml;
while ($this->moveToNextLine()) {
for ($i = 1; isset($this->currentLine[$i]) && ']' !== $this->currentLine[$i]; ++$i) {
}
$value .= trim($this->currentLine);
if (isset($this->currentLine[$i]) && ']' === $this->currentLine[$i]) {
break;
}
}
return $value;
}
}