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-rw-r--r--srcs/phpmyadmin/vendor/symfony/yaml/Parser.php1245
1 files changed, 0 insertions, 1245 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/yaml/Parser.php b/srcs/phpmyadmin/vendor/symfony/yaml/Parser.php
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index 465bbb2..0000000
--- a/srcs/phpmyadmin/vendor/symfony/yaml/Parser.php
+++ /dev/null
@@ -1,1245 +0,0 @@
-<?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;
-use Symfony\Component\Yaml\Tag\TaggedValue;
-
-/**
- * Parser parses YAML strings to convert them to PHP arrays.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @final
- */
-class Parser
-{
- const TAG_PATTERN = '(?P<tag>![\w!.\/:-]+)';
- const BLOCK_SCALAR_HEADER_PATTERN = '(?P<separator>\||>)(?P<modifiers>\+|\-|\d+|\+\d+|\-\d+|\d+\+|\d+\-)?(?P<comments> +#.*)?';
-
- private $filename;
- private $offset = 0;
- private $totalNumberOfLines;
- private $lines = [];
- private $currentLineNb = -1;
- private $currentLine = '';
- private $refs = [];
- private $skippedLineNumbers = [];
- private $locallySkippedLineNumbers = [];
- private $refsBeingParsed = [];
-
- /**
- * Parses a YAML file into a PHP value.
- *
- * @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
- *
- * @return mixed The YAML converted to a PHP value
- *
- * @throws ParseException If the file could not be read or the YAML is not valid
- */
- public function parseFile(string $filename, int $flags = 0)
- {
- if (!is_file($filename)) {
- throw new ParseException(sprintf('File "%s" does not exist.', $filename));
- }
-
- if (!is_readable($filename)) {
- throw new ParseException(sprintf('File "%s" cannot be read.', $filename));
- }
-
- $this->filename = $filename;
-
- try {
- return $this->parse(file_get_contents($filename), $flags);
- } finally {
- $this->filename = null;
- }
- }
-
- /**
- * 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(string $value, int $flags = 0)
- {
- 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 = [];
-
- $mbEncoding = null;
-
- if (2 /* MB_OVERLOAD_STRING */ & (int) ini_get('mbstring.func_overload')) {
- $mbEncoding = mb_internal_encoding();
- mb_internal_encoding('UTF-8');
- }
-
- try {
- $data = $this->doParse($value, $flags);
- } finally {
- if (null !== $mbEncoding) {
- mb_internal_encoding($mbEncoding);
- }
- $this->lines = [];
- $this->currentLine = '';
- $this->refs = [];
- $this->skippedLineNumbers = [];
- $this->locallySkippedLineNumbers = [];
- }
-
- return $data;
- }
-
- private function doParse(string $value, int $flags)
- {
- $this->currentLineNb = -1;
- $this->currentLine = '';
- $value = $this->cleanup($value);
- $this->lines = explode("\n", $value);
- $this->locallySkippedLineNumbers = [];
-
- if (null === $this->totalNumberOfLines) {
- $this->totalNumberOfLines = \count($this->lines);
- }
-
- if (!$this->moveToNextLine()) {
- return null;
- }
-
- $data = [];
- $context = null;
- $allowOverwrite = false;
-
- while ($this->isCurrentLineEmpty()) {
- if (!$this->moveToNextLine()) {
- return null;
- }
- }
-
- // Resolves the tag and returns if end of the document
- if (null !== ($tag = $this->getLineTag($this->currentLine, $flags, false)) && !$this->moveToNextLine()) {
- return new TaggedValue($tag, '');
- }
-
- do {
- if ($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, $this->filename);
- }
-
- Inline::initialize($flags, $this->getRealCurrentLineNb(), $this->filename);
-
- $isRef = $mergeNode = false;
- 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']) && '&' === $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]) {
- 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);
- } elseif (null !== $subTag = $this->getLineTag(ltrim($values['value'], ' '), $flags)) {
- $data[] = new TaggedValue(
- $subTag,
- $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(null, true), $flags)
- );
- } else {
- if (isset($values['leadspaces'])
- && self::preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->trimTag($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($data);
- array_pop($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($values['key'][0], ['"', "'"]))
- ) {
- if ($context && 'sequence' == $context) {
- throw new ParseException('You cannot define a mapping item when in a sequence', $this->currentLineNb + 1, $this->currentLine, $this->filename);
- }
- $context = 'mapping';
-
- try {
- $key = Inline::parseScalar($values['key']);
- } catch (ParseException $e) {
- $e->setParsedLine($this->getRealCurrentLineNb() + 1);
- $e->setSnippet($this->currentLine);
-
- throw $e;
- }
-
- if (!\is_string($key) && !\is_int($key)) {
- throw new ParseException(sprintf('%s keys are not supported. Quote your evaluable mapping keys instead.', is_numeric($key) ? 'Numeric' : 'Non-string'), $this->getRealCurrentLineNb() + 1, $this->currentLine);
- }
-
- // Convert float keys to strings, to avoid being converted to integers by PHP
- if (\is_float($key)) {
- $key = (string) $key;
- }
-
- 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 (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);
- }
-
- $refValue = $this->refs[$refName];
-
- if (Yaml::PARSE_OBJECT_FOR_MAP & $flags && $refValue instanceof \stdClass) {
- $refValue = (array) $refValue;
- }
-
- if (!\is_array($refValue)) {
- throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
- }
-
- $data += $refValue; // array union
- } else {
- if (isset($values['value']) && '' !== $values['value']) {
- $value = $values['value'];
- } else {
- $value = $this->getNextEmbedBlock();
- }
- $parsed = $this->parseBlock($this->getRealCurrentLineNb() + 1, $value, $flags);
-
- if (Yaml::PARSE_OBJECT_FOR_MAP & $flags && $parsed instanceof \stdClass) {
- $parsed = (array) $parsed;
- }
-
- if (!\is_array($parsed)) {
- throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
- }
-
- if (isset($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 (Yaml::PARSE_OBJECT_FOR_MAP & $flags && $parsedItem instanceof \stdClass) {
- $parsedItem = (array) $parsedItem;
- }
-
- if (!\is_array($parsedItem)) {
- throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem, $this->filename);
- }
-
- $data += $parsedItem; // array union
- }
- } 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.
- $data += $parsed; // array union
- }
- }
- } 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'];
- }
-
- $subTag = null;
- if ($mergeNode) {
- // Merge keys
- } elseif (!isset($values['value']) || '' === $values['value'] || 0 === strpos($values['value'], '#') || (null !== $subTag = $this->getLineTag($values['value'], $flags)) || '<<' === $key) {
- // hash
- // if next line is less indented or equal, then it means that the current value is null
- if (!$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])) {
- if (null !== $subTag) {
- $data[$key] = new TaggedValue($subTag, '');
- } else {
- $data[$key] = null;
- }
- } else {
- 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;
-
- if (Yaml::PARSE_OBJECT_FOR_MAP & $flags && $value instanceof \stdClass) {
- $value = (array) $value;
- }
-
- $data += $value;
- } elseif ($allowOverwrite || !isset($data[$key])) {
- // Spec: Keys MUST be unique; first one wins.
- // But overwriting is allowed when a merge node is used in current block.
- if (null !== $subTag) {
- $data[$key] = new TaggedValue($subTag, $value);
- } else {
- $data[$key] = $value;
- }
- } else {
- throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), $realCurrentLineNbKey + 1, $this->currentLine);
- }
- }
- } else {
- $value = $this->parseValue(rtrim($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 {
- 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
- if ('---' === $this->currentLine) {
- throw new ParseException('Multiple documents are not supported.', $this->currentLineNb + 1, $this->currentLine, $this->filename);
- }
-
- if ($deprecatedUsage = (isset($this->currentLine[1]) && '?' === $this->currentLine[0] && ' ' === $this->currentLine[1])) {
- throw new ParseException('Complex mappings are not supported.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
- }
-
- // 1-liner optionally followed by newline(s)
- if (\is_string($value) && $this->lines[0] === trim($value)) {
- try {
- $value = Inline::parse($this->lines[0], $flags, $this->refs);
- } catch (ParseException $e) {
- $e->setParsedLine($this->getRealCurrentLineNb() + 1);
- $e->setSnippet($this->currentLine);
-
- throw $e;
- }
-
- return $value;
- }
-
- // try to parse the value as a multi-line string as a last resort
- if (0 === $this->currentLineNb) {
- $previousLineWasNewline = false;
- $previousLineWasTerminatedWithBackslash = false;
- $value = '';
-
- foreach ($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) {
- $value .= ' ';
- }
-
- if ('' !== trim($line) && '\\' === substr($line, -1)) {
- $value .= ltrim(substr($line, 0, -1));
- } elseif ('' !== trim($line)) {
- $value .= trim($line);
- }
-
- if ('' === trim($line)) {
- $previousLineWasNewline = true;
- $previousLineWasTerminatedWithBackslash = false;
- } elseif ('\\' === substr($line, -1)) {
- $previousLineWasNewline = false;
- $previousLineWasTerminatedWithBackslash = true;
- } else {
- $previousLineWasNewline = false;
- $previousLineWasTerminatedWithBackslash = false;
- }
- }
-
- try {
- return Inline::parse(trim($value));
- } catch (ParseException $e) {
- // fall-through to the ParseException thrown below
- }
- }
-
- throw new ParseException('Unable to parse.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
- }
- } while ($this->moveToNextLine());
-
- if (null !== $tag) {
- $data = new TaggedValue($tag, $data);
- }
-
- 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;
- }
-
- private function parseBlock(int $offset, string $yaml, int $flags)
- {
- $skippedLineNumbers = $this->skippedLineNumbers;
-
- foreach ($this->locallySkippedLineNumbers as $lineNumber) {
- if ($lineNumber < $offset) {
- continue;
- }
-
- $skippedLineNumbers[] = $lineNumber;
- }
-
- $parser = new self();
- $parser->offset = $offset;
- $parser->totalNumberOfLines = $this->totalNumberOfLines;
- $parser->skippedLineNumbers = $skippedLineNumbers;
- $parser->refs = &$this->refs;
- $parser->refsBeingParsed = $this->refsBeingParsed;
-
- return $parser->doParse($yaml, $flags);
- }
-
- /**
- * Returns the current line number (takes the offset into account).
- *
- * @internal
- *
- * @return int The current line number
- */
- public function getRealCurrentLineNb(): int
- {
- $realCurrentLineNumber = $this->currentLineNb + $this->offset;
-
- foreach ($this->skippedLineNumbers as $skippedLineNumber) {
- if ($skippedLineNumber > $realCurrentLineNumber) {
- break;
- }
-
- ++$realCurrentLineNumber;
- }
-
- return $realCurrentLineNumber;
- }
-
- /**
- * Returns the current line indentation.
- *
- * @return int The current line indentation
- */
- private function getCurrentLineIndentation(): int
- {
- return \strlen($this->currentLine) - \strlen(ltrim($this->currentLine, ' '));
- }
-
- /**
- * Returns the next embed block of YAML.
- *
- * @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(int $indentation = null, bool $inSequence = false): string
- {
- $oldLineIndentation = $this->getCurrentLineIndentation();
-
- if (!$this->moveToNextLine()) {
- return '';
- }
-
- if (null === $indentation) {
- $newIndent = null;
- $movements = 0;
-
- do {
- $EOF = false;
-
- // empty and comment-like lines do not influence the indentation depth
- if ($this->isCurrentLineEmpty() || $this->isCurrentLineComment()) {
- $EOF = !$this->moveToNextLine();
-
- if (!$EOF) {
- ++$movements;
- }
- } else {
- $newIndent = $this->getCurrentLineIndentation();
- }
- } while (!$EOF && null === $newIndent);
-
- for ($i = 0; $i < $movements; ++$i) {
- $this->moveToPreviousLine();
- }
-
- $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem();
-
- if (!$this->isCurrentLineEmpty() && 0 === $newIndent && !$unindentedEmbedBlock) {
- throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
- }
- } else {
- $newIndent = $indentation;
- }
-
- $data = [];
- if ($this->getCurrentLineIndentation() >= $newIndent) {
- $data[] = substr($this->currentLine, $newIndent);
- } elseif ($this->isCurrentLineEmpty() || $this->isCurrentLineComment()) {
- $data[] = $this->currentLine;
- } else {
- $this->moveToPreviousLine();
-
- return '';
- }
-
- if ($inSequence && $oldLineIndentation === $newIndent && isset($data[0][0]) && '-' === $data[0][0]) {
- // the previous line contained a dash but no item content, this line is a sequence item with the same indentation
- // and therefore no nested list or mapping
- $this->moveToPreviousLine();
-
- return '';
- }
-
- $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem();
-
- while ($this->moveToNextLine()) {
- $indent = $this->getCurrentLineIndentation();
-
- if ($isItUnindentedCollection && !$this->isCurrentLineEmpty() && !$this->isStringUnIndentedCollectionItem() && $newIndent === $indent) {
- $this->moveToPreviousLine();
- break;
- }
-
- if ($this->isCurrentLineBlank()) {
- $data[] = substr($this->currentLine, $newIndent);
- continue;
- }
-
- if ($indent >= $newIndent) {
- $data[] = substr($this->currentLine, $newIndent);
- } elseif ($this->isCurrentLineComment()) {
- $data[] = $this->currentLine;
- } elseif (0 == $indent) {
- $this->moveToPreviousLine();
-
- break;
- } else {
- throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine, $this->filename);
- }
- }
-
- return implode("\n", $data);
- }
-
- /**
- * Moves the parser to the next line.
- */
- private function moveToNextLine(): bool
- {
- if ($this->currentLineNb >= \count($this->lines) - 1) {
- return false;
- }
-
- $this->currentLine = $this->lines[++$this->currentLineNb];
-
- return true;
- }
-
- /**
- * Moves the parser to the previous line.
- */
- private function moveToPreviousLine(): bool
- {
- if ($this->currentLineNb < 1) {
- return false;
- }
-
- $this->currentLine = $this->lines[--$this->currentLineNb];
-
- return true;
- }
-
- /**
- * Parses a YAML value.
- *
- * @param string $value A YAML value
- * @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
- * @param string $context The parser context (either sequence or mapping)
- *
- * @return mixed A PHP value
- *
- * @throws ParseException When reference does not exist
- */
- private function parseValue(string $value, int $flags, string $context)
- {
- if (0 === strpos($value, '*')) {
- if (false !== $pos = strpos($value, '#')) {
- $value = substr($value, 1, $pos - 2);
- } else {
- $value = substr($value, 1);
- }
-
- if (!\array_key_exists($value, $this->refs)) {
- 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 (\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((int) $modifiers));
-
- if ('' !== $matches['tag'] && '!' !== $matches['tag']) {
- if ('!!binary' === $matches['tag']) {
- return Inline::evaluateBinaryScalar($data);
- }
-
- 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
- if (null !== $quotation && self::preg_match('/^'.$quotation.'.*'.$quotation.'(\s*#.*)?$/', $value)) {
- return Inline::parse($value, $flags, $this->refs);
- }
-
- $lines = [];
-
- while ($this->moveToNextLine()) {
- // unquoted strings end before the first unindented line
- if (null === $quotation && 0 === $this->getCurrentLineIndentation()) {
- $this->moveToPreviousLine();
-
- break;
- }
-
- $lines[] = trim($this->currentLine);
-
- // quoted string values end with a line that is terminated with the quotation character
- if ('' !== $this->currentLine && substr($this->currentLine, -1) === $quotation) {
- break;
- }
- }
-
- for ($i = 0, $linesCount = \count($lines), $previousLineBlank = false; $i < $linesCount; ++$i) {
- if ('' === $lines[$i]) {
- $value .= "\n";
- $previousLineBlank = true;
- } elseif ($previousLineBlank) {
- $value .= $lines[$i];
- $previousLineBlank = false;
- } else {
- $value .= ' '.$lines[$i];
- $previousLineBlank = false;
- }
- }
-
- Inline::$parsedLineNumber = $this->getRealCurrentLineNb();
-
- $parsedValue = Inline::parse($value, $flags, $this->refs);
-
- if ('mapping' === $context && \is_string($parsedValue) && '"' !== $value[0] && "'" !== $value[0] && '[' !== $value[0] && '{' !== $value[0] && '!' !== $value[0] && false !== strpos($parsedValue, ': ')) {
- throw new ParseException('A colon cannot be used in an unquoted mapping value.', $this->getRealCurrentLineNb() + 1, $value, $this->filename);
- }
-
- return $parsedValue;
- } catch (ParseException $e) {
- $e->setParsedLine($this->getRealCurrentLineNb() + 1);
- $e->setSnippet($this->currentLine);
-
- throw $e;
- }
- }
-
- /**
- * Parses a block scalar.
- *
- * @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
- */
- private function parseBlockScalar(string $style, string $chomping = '', int $indentation = 0): string
- {
- $notEOF = $this->moveToNextLine();
- if (!$notEOF) {
- return '';
- }
-
- $isCurrentLineBlank = $this->isCurrentLineBlank();
- $blockLines = [];
-
- // leading blank lines are consumed before determining indentation
- while ($notEOF && $isCurrentLineBlank) {
- // newline only if not EOF
- if ($notEOF = $this->moveToNextLine()) {
- $blockLines[] = '';
- $isCurrentLineBlank = $this->isCurrentLineBlank();
- }
- }
-
- // determine indentation if not specified
- if (0 === $indentation) {
- $currentLineLength = \strlen($this->currentLine);
-
- for ($i = 0; $i < $currentLineLength && ' ' === $this->currentLine[$i]; ++$i) {
- ++$indentation;
- }
- }
-
- if ($indentation > 0) {
- $pattern = sprintf('/^ {%d}(.*)$/', $indentation);
-
- while (
- $notEOF && (
- $isCurrentLineBlank ||
- self::preg_match($pattern, $this->currentLine, $matches)
- )
- ) {
- if ($isCurrentLineBlank && \strlen($this->currentLine) > $indentation) {
- $blockLines[] = substr($this->currentLine, $indentation);
- } elseif ($isCurrentLineBlank) {
- $blockLines[] = '';
- } else {
- $blockLines[] = $matches[1];
- }
-
- // newline only if not EOF
- if ($notEOF = $this->moveToNextLine()) {
- $isCurrentLineBlank = $this->isCurrentLineBlank();
- }
- }
- } elseif ($notEOF) {
- $blockLines[] = '';
- }
-
- if ($notEOF) {
- $blockLines[] = '';
- $this->moveToPreviousLine();
- } elseif (!$notEOF && !$this->isCurrentLineLastLineInDocument()) {
- $blockLines[] = '';
- }
-
- // folded style
- if ('>' === $style) {
- $text = '';
- $previousLineIndented = false;
- $previousLineBlank = false;
-
- for ($i = 0, $blockLinesCount = \count($blockLines); $i < $blockLinesCount; ++$i) {
- if ('' === $blockLines[$i]) {
- $text .= "\n";
- $previousLineIndented = false;
- $previousLineBlank = true;
- } elseif (' ' === $blockLines[$i][0]) {
- $text .= "\n".$blockLines[$i];
- $previousLineIndented = true;
- $previousLineBlank = false;
- } elseif ($previousLineIndented) {
- $text .= "\n".$blockLines[$i];
- $previousLineIndented = false;
- $previousLineBlank = false;
- } elseif ($previousLineBlank || 0 === $i) {
- $text .= $blockLines[$i];
- $previousLineIndented = false;
- $previousLineBlank = false;
- } else {
- $text .= ' '.$blockLines[$i];
- $previousLineIndented = false;
- $previousLineBlank = false;
- }
- }
- } else {
- $text = implode("\n", $blockLines);
- }
-
- // deal with trailing newlines
- if ('' === $chomping) {
- $text = preg_replace('/\n+$/', "\n", $text);
- } elseif ('-' === $chomping) {
- $text = preg_replace('/\n+$/', '', $text);
- }
-
- return $text;
- }
-
- /**
- * Returns true if the next line is indented.
- *
- * @return bool Returns true if the next line is indented, false otherwise
- */
- private function isNextLineIndented(): bool
- {
- $currentIndentation = $this->getCurrentLineIndentation();
- $movements = 0;
-
- do {
- $EOF = !$this->moveToNextLine();
-
- if (!$EOF) {
- ++$movements;
- }
- } while (!$EOF && ($this->isCurrentLineEmpty() || $this->isCurrentLineComment()));
-
- if ($EOF) {
- return false;
- }
-
- $ret = $this->getCurrentLineIndentation() > $currentIndentation;
-
- for ($i = 0; $i < $movements; ++$i) {
- $this->moveToPreviousLine();
- }
-
- return $ret;
- }
-
- /**
- * Returns true if the current line is blank or if it is a comment line.
- *
- * @return bool Returns true if the current line is empty or if it is a comment line, false otherwise
- */
- private function isCurrentLineEmpty(): bool
- {
- return $this->isCurrentLineBlank() || $this->isCurrentLineComment();
- }
-
- /**
- * Returns true if the current line is blank.
- *
- * @return bool Returns true if the current line is blank, false otherwise
- */
- private function isCurrentLineBlank(): bool
- {
- return '' == trim($this->currentLine, ' ');
- }
-
- /**
- * Returns true if the current line is a comment line.
- *
- * @return bool Returns true if the current line is a comment line, false otherwise
- */
- private function isCurrentLineComment(): bool
- {
- //checking explicitly the first char of the trim is faster than loops or strpos
- $ltrimmedLine = ltrim($this->currentLine, ' ');
-
- return '' !== $ltrimmedLine && '#' === $ltrimmedLine[0];
- }
-
- private function isCurrentLineLastLineInDocument(): bool
- {
- return ($this->offset + $this->currentLineNb) >= ($this->totalNumberOfLines - 1);
- }
-
- /**
- * Cleanups a YAML string to be parsed.
- *
- * @param string $value The input YAML string
- *
- * @return string A cleaned up YAML string
- */
- private function cleanup(string $value): string
- {
- $value = str_replace(["\r\n", "\r"], "\n", $value);
-
- // strip YAML header
- $count = 0;
- $value = preg_replace('#^\%YAML[: ][\d\.]+.*\n#u', '', $value, -1, $count);
- $this->offset += $count;
-
- // remove leading comments
- $trimmedValue = preg_replace('#^(\#.*?\n)+#s', '', $value, -1, $count);
- if (1 === $count) {
- // items have been removed, update the offset
- $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
- $value = $trimmedValue;
- }
-
- // remove start of the document marker (---)
- $trimmedValue = preg_replace('#^\-\-\-.*?\n#s', '', $value, -1, $count);
- if (1 === $count) {
- // items have been removed, update the offset
- $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
- $value = $trimmedValue;
-
- // remove end of the document marker (...)
- $value = preg_replace('#\.\.\.\s*$#', '', $value);
- }
-
- return $value;
- }
-
- /**
- * Returns true if the next line starts unindented collection.
- *
- * @return bool Returns true if the next line starts unindented collection, false otherwise
- */
- private function isNextLineUnIndentedCollection(): bool
- {
- $currentIndentation = $this->getCurrentLineIndentation();
- $movements = 0;
-
- do {
- $EOF = !$this->moveToNextLine();
-
- if (!$EOF) {
- ++$movements;
- }
- } while (!$EOF && ($this->isCurrentLineEmpty() || $this->isCurrentLineComment()));
-
- if ($EOF) {
- return false;
- }
-
- $ret = $this->getCurrentLineIndentation() === $currentIndentation && $this->isStringUnIndentedCollectionItem();
-
- for ($i = 0; $i < $movements; ++$i) {
- $this->moveToPreviousLine();
- }
-
- return $ret;
- }
-
- /**
- * Returns true if the string is un-indented collection item.
- *
- * @return bool Returns true if the string is un-indented collection item, false otherwise
- */
- private function isStringUnIndentedCollectionItem(): bool
- {
- return '-' === rtrim($this->currentLine) || 0 === strpos($this->currentLine, '- ');
- }
-
- /**
- * 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
- * in the YAML engine
- *
- * @throws ParseException on a PCRE internal error
- *
- * @see preg_last_error()
- *
- * @internal
- */
- 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()) {
- 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:
- $error = 'Error.';
- }
-
- throw new ParseException($error);
- }
-
- return $ret;
- }
-
- /**
- * Trim the tag on top of the value.
- *
- * Prevent values such as "!foo {quz: bar}" to be considered as
- * a mapping block.
- */
- private function trimTag(string $value): string
- {
- if ('!' === $value[0]) {
- return ltrim(substr($value, 1, strcspn($value, " \r\n", 1)), ' ');
- }
-
- return $value;
- }
-
- private function getLineTag(string $value, int $flags, bool $nextLineCheck = true): ?string
- {
- if ('' === $value || '!' !== $value[0] || 1 !== self::preg_match('/^'.self::TAG_PATTERN.' *( +#.*)?$/', $value, $matches)) {
- return null;
- }
-
- if ($nextLineCheck && !$this->isNextLineIndented()) {
- return null;
- }
-
- $tag = substr($matches['tag'], 1);
-
- // Built-in tags
- if ($tag && '!' === $tag[0]) {
- throw new ParseException(sprintf('The built-in tag "!%s" is not implemented.', $tag), $this->getRealCurrentLineNb() + 1, $value, $this->filename);
- }
-
- if (Yaml::PARSE_CUSTOM_TAGS & $flags) {
- 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);
- }
-
- private function parseQuotedString(string $yaml): ?string
- {
- if ('' === $yaml || ('"' !== $yaml[0] && "'" !== $yaml[0])) {
- throw new \InvalidArgumentException(sprintf('"%s" is not a quoted string.', $yaml));
- }
-
- $lines = [$yaml];
-
- 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;
- }
-}
generated by cgit (git 2.34.1) at 2026-05-16 06:16:22 +0000