From fa3a4e440f6daf241772331eaac322f3e0447750 Mon Sep 17 00:00:00 2001 From: Stefan Suhren Date: Mon, 11 May 2015 14:59:59 +0200 Subject: Let composer manage the vendor and lock files --- .../symfony/yaml/Symfony/Component/Yaml/Parser.php | 697 --------------------- 1 file changed, 697 deletions(-) delete mode 100644 vendor/symfony/yaml/Symfony/Component/Yaml/Parser.php (limited to 'vendor/symfony/yaml/Symfony/Component/Yaml/Parser.php') diff --git a/vendor/symfony/yaml/Symfony/Component/Yaml/Parser.php b/vendor/symfony/yaml/Symfony/Component/Yaml/Parser.php deleted file mode 100644 index 065e650..0000000 --- a/vendor/symfony/yaml/Symfony/Component/Yaml/Parser.php +++ /dev/null @@ -1,697 +0,0 @@ - - * - * 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; - -/** - * Parser parses YAML strings to convert them to PHP arrays. - * - * @author Fabien Potencier - */ -class Parser -{ - const FOLDED_SCALAR_PATTERN = '(?P\||>)(?P\+|\-|\d+|\+\d+|\-\d+|\d+\+|\d+\-)?(?P +#.*)?'; - - private $offset = 0; - private $lines = array(); - private $currentLineNb = -1; - private $currentLine = ''; - private $refs = array(); - - /** - * Constructor. - * - * @param int $offset The offset of YAML document (used for line numbers in error messages) - */ - public function __construct($offset = 0) - { - $this->offset = $offset; - } - - /** - * 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 - * @param bool $objectForMap true if maps should return a stdClass instead of array() - * - * @return mixed A PHP value - * - * @throws ParseException If the YAML is not valid - */ - public function parse($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 (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 = $mergeNode = false; - if (preg_match('#^\-((?P\s+)(?P.+?))?\s*$#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[^ ]+) *(?P.*)#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(null, true), $exceptionOnInvalidType, $objectSupport, $objectForMap); - } else { - if (isset($values['leadspaces']) - && preg_match('#^(?P'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P.+?))?\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($this->getCurrentLineIndentation() + strlen($values['leadspaces']) + 1); - } - - $data[] = $parser->parse($block, $exceptionOnInvalidType, $objectSupport, $objectForMap); - } else { - $data[] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport, $objectForMap); - } - } - } elseif (preg_match('#^(?P'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\[\{].*?) *\:(\s+(?P.+?))?\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, $objectForMap, $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, $objectForMap); - - if (!is_array($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])) { - // 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[^ ]+) *(?P.*)#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, $objectForMap); - // Spec: Keys MUST be unique; first one wins. - // But overwriting is allowed when a merge node is used in current block. - if ($allowOverwrite || !isset($data[$key])) { - $data[$key] = $value; - } - } - } else { - $value = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport, $objectForMap); - // Spec: Keys MUST be unique; first one wins. - // But overwriting is allowed when a merge node is used in current block. - if ($allowOverwrite || !isset($data[$key])) { - $data[$key] = $value; - } - } - } else { - // multiple documents are not supported - if ('---' === $this->currentLine) { - throw new ParseException('Multiple documents are not supported.'); - } - - // 1-liner optionally followed by newline(s) - if ($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, $this->currentLine); - } - - if ($isRef) { - $this->refs[$isRef] = end($data); - } - } - - if (isset($mbEncoding)) { - mb_internal_encoding($mbEncoding); - } - - return empty($data) ? null : $data; - } - - /** - * Returns the current line number (takes the offset into account). - * - * @return int The current line number - */ - private function getRealCurrentLineNb() - { - return $this->currentLineNb + $this->offset; - } - - /** - * Returns the current line indentation. - * - * @return int The current line indentation - */ - private function getCurrentLineIndentation() - { - return strlen($this->currentLine) - strlen(ltrim($this->currentLine, ' ')); - } - - /** - * 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 $inSequence True if the enclosing data structure is a sequence - * - * @return string A YAML string - * - * @throws ParseException When indentation problem are detected - */ - private function getNextEmbedBlock($indentation = null, $inSequence = false) - { - $oldLineIndentation = $this->getCurrentLineIndentation(); - - if (!$this->moveToNextLine()) { - return; - } - - if (null === $indentation) { - $newIndent = $this->getCurrentLineIndentation(); - - $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem($this->currentLine); - - if (!$this->isCurrentLineEmpty() && 0 === $newIndent && !$unindentedEmbedBlock) { - throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine); - } - } else { - $newIndent = $indentation; - } - - $data = array(); - if ($this->getCurrentLineIndentation() >= $newIndent) { - $data[] = substr($this->currentLine, $newIndent); - } else { - $this->moveToPreviousLine(); - - return; - } - - if ($inSequence && $oldLineIndentation === $newIndent && '-' === $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 = $this->isStringUnIndentedCollectionItem($this->currentLine); - - // Comments must not be removed inside a string block (ie. after a line ending with "|") - $removeCommentsPattern = '~'.self::FOLDED_SCALAR_PATTERN.'$~'; - $removeComments = !preg_match($removeCommentsPattern, $this->currentLine); - - while ($this->moveToNextLine()) { - $indent = $this->getCurrentLineIndentation(); - - if ($indent === $newIndent) { - $removeComments = !preg_match($removeCommentsPattern, $this->currentLine); - } - - if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem($this->currentLine) && $newIndent === $indent) { - $this->moveToPreviousLine(); - break; - } - - if ($this->isCurrentLineBlank()) { - $data[] = substr($this->currentLine, $newIndent); - continue; - } - - if ($removeComments && $this->isCurrentLineComment()) { - continue; - } - - if ($indent >= $newIndent) { - $data[] = substr($this->currentLine, $newIndent); - } elseif (0 == $indent) { - $this->moveToPreviousLine(); - - break; - } else { - throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine); - } - } - - return implode("\n", $data); - } - - /** - * Moves the parser to the next line. - * - * @return bool - */ - private function moveToNextLine() - { - if ($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() - { - $this->currentLine = $this->lines[--$this->currentLineNb]; - } - - /** - * Parses a YAML value. - * - * @param string $value A YAML value - * @param bool $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise - * @param bool $objectSupport True if object support is enabled, false otherwise - * @param bool $objectForMap true if maps should return a stdClass instead of array() - * - * @return mixed A PHP value - * - * @throws ParseException When reference does not exist - */ - private function parseValue($value, $exceptionOnInvalidType, $objectSupport, $objectForMap) - { - if (0 === strpos($value, '*')) { - if (false !== $pos = strpos($value, '#')) { - $value = substr($value, 1, $pos - 2); - } else { - $value = substr($value, 1); - } - - if (!array_key_exists($value, $this->refs)) { - throw new ParseException(sprintf('Reference "%s" does not exist.', $value), $this->currentLine); - } - - return $this->refs[$value]; - } - - if (preg_match('/^'.self::FOLDED_SCALAR_PATTERN.'$/', $value, $matches)) { - $modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : ''; - - return $this->parseFoldedScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), (int) abs($modifiers)); - } - - try { - return Inline::parse($value, $exceptionOnInvalidType, $objectSupport, $objectForMap, $this->refs); - } catch (ParseException $e) { - $e->setParsedLine($this->getRealCurrentLineNb() + 1); - $e->setSnippet($this->currentLine); - - throw $e; - } - } - - /** - * Parses a folded scalar. - * - * @param string $separator The separator that was used to begin this folded scalar (| or >) - * @param string $indicator The indicator that was used to begin this folded scalar (+ or -) - * @param int $indentation The indentation that was used to begin this folded scalar - * - * @return string The text value - */ - private function parseFoldedScalar($separator, $indicator = '', $indentation = 0) - { - $notEOF = $this->moveToNextLine(); - if (!$notEOF) { - return ''; - } - - $isCurrentLineBlank = $this->isCurrentLineBlank(); - $text = ''; - - // leading blank lines are consumed before determining indentation - while ($notEOF && $isCurrentLineBlank) { - // newline only if not EOF - if ($notEOF = $this->moveToNextLine()) { - $text .= "\n"; - $isCurrentLineBlank = $this->isCurrentLineBlank(); - } - } - - // determine indentation if not specified - if (0 === $indentation) { - if (preg_match('/^ +/', $this->currentLine, $matches)) { - $indentation = strlen($matches[0]); - } - } - - if ($indentation > 0) { - $pattern = sprintf('/^ {%d}(.*)$/', $indentation); - - while ( - $notEOF && ( - $isCurrentLineBlank || - preg_match($pattern, $this->currentLine, $matches) - ) - ) { - if ($isCurrentLineBlank) { - $text .= substr($this->currentLine, $indentation); - } else { - $text .= $matches[1]; - } - - // newline only if not EOF - if ($notEOF = $this->moveToNextLine()) { - $text .= "\n"; - $isCurrentLineBlank = $this->isCurrentLineBlank(); - } - } - } elseif ($notEOF) { - $text .= "\n"; - } - - if ($notEOF) { - $this->moveToPreviousLine(); - } - - // replace all non-trailing single newlines with spaces in folded blocks - if ('>' === $separator) { - preg_match('/(\n*)$/', $text, $matches); - $text = preg_replace('/(?getCurrentLineIndentation(); - $EOF = !$this->moveToNextLine(); - - while (!$EOF && $this->isCurrentLineEmpty()) { - $EOF = !$this->moveToNextLine(); - } - - if ($EOF) { - return false; - } - - $ret = false; - if ($this->getCurrentLineIndentation() > $currentIndentation) { - $ret = true; - } - - $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() - { - return $this->isCurrentLineBlank() || $this->isCurrentLineComment(); - } - - /** - * Returns true if the current line is blank. - * - * @return bool Returns true if the current line is blank, false otherwise - */ - private function isCurrentLineBlank() - { - return '' == trim($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() - { - //checking explicitly the first char of the trim is faster than loops or strpos - $ltrimmedLine = ltrim($this->currentLine, ' '); - - return $ltrimmedLine[0] === '#'; - } - - /** - * Cleanups a YAML string to be parsed. - * - * @param string $value The input YAML string - * - * @return string A cleaned up YAML string - */ - private function cleanup($value) - { - $value = str_replace(array("\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, $count); - if ($count == 1) { - // 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, $count); - if ($count == 1) { - // 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 (...) - $value = preg_replace('#\.\.\.\s*$#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() - { - $currentIndentation = $this->getCurrentLineIndentation(); - $notEOF = $this->moveToNextLine(); - - while ($notEOF && $this->isCurrentLineEmpty()) { - $notEOF = $this->moveToNextLine(); - } - - if (false === $notEOF) { - return false; - } - - $ret = false; - if ( - $this->getCurrentLineIndentation() == $currentIndentation - && - $this->isStringUnIndentedCollectionItem($this->currentLine) - ) { - $ret = true; - } - - $this->moveToPreviousLine(); - - return $ret; - } - - /** - * Returns true if the string is un-indented collection item. - * - * @return bool Returns true if the string is un-indented collection item, false otherwise - */ - private function isStringUnIndentedCollectionItem() - { - return (0 === strpos($this->currentLine, '- ')); - } -} -- cgit v1.2.3-70-g09d2