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sfYamlInline.php��0000666��00000025701�15252544611�0007665 0��ustar�00��<?php /* * This file is part of the symfony package. * (c) Fabien Potencier <fabien.potencier@symfony-project.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / if (!defined('_ECRIRE_INC_VERSION')) return; /* * sfYamlInline implements a YAML parser/dumper for the YAML inline syntax. * * @package symfony * @subpackage yaml * @author Fabien Potencier <fabien.potencier@symfony-project.com> * @version SVN: $Id: sfYamlInline.class.php 16177 2009-03-11 08:32:48Z fabien $ / class sfYamlInline { /* * Convert a YAML string to a PHP array. * * @param string $value A YAML string * * @return array A PHP array representing the YAML string / static public function load($value) { $value = trim($value); if (0 == strlen($value)) { return ''; } switch ($value[0]) { case '[': return self::parseSequence($value); case '{': return self::parseMapping($value); default: return self::parseScalar($value); } } /* * Dumps a given PHP variable to a YAML string. * * @param mixed $value The PHP variable to convert * * @return string The YAML string representing the PHP array / static public function dump($value) { $trueValues = '1.1' == sfYaml::getSpecVersion() ? array('true', 'on', '+', 'yes', 'y') : array('true'); $falseValues = '1.1' == sfYaml::getSpecVersion() ? array('false', 'off', '-', 'no', 'n') : array('false'); switch (true) { case is_resource($value): throw new InvalidArgumentException('Unable to dump PHP resources in a YAML file.'); case is_object($value): return '!!php/object:'.serialize($value); case is_array($value): return self::dumpArray($value); case null === $value: return 'null'; case true === $value: return 'true'; case false === $value: return 'false'; case ctype_digit($value): return is_string($value) ? "'$value'" : (int) $value; case is_numeric($value): return is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : (is_string($value) ? "'$value'" : $value); case false !== strpos($value, "\n"): return sprintf('"%s"', str_replace(array('"', "\n", "\r"), array('\\"', '\n', '\r'), $value)); case preg_match('/[ \s \' " \: \{ \} \[ \] , & \ \#] \| \A[ - ? \| < > = ! % @ ]/x', $value): return sprintf("'%s'", str_replace('\'', '\'\'', $value)); case '' == $value: return "''"; case preg_match(self::getTimestampRegex(), $value): return "'$value'"; case in_array(strtolower($value), $trueValues): return "'$value'"; case in_array(strtolower($value), $falseValues): return "'$value'"; case in_array(strtolower($value), array('null', '~')): return "'$value'"; default: return $value; } } /** * Dumps a PHP array to a YAML string. * * @param array $value The PHP array to dump * * @return string The YAML string representing the PHP array / static protected function dumpArray($value) { // array $keys = array_keys($value); if ( (1 == count($keys) && '0' == $keys[0]) \|\| (count($keys) > 1 && array_reduce($keys, create_function('$v,$w', 'return (integer) $v + $w;'), 0) == count($keys) (count($keys) - 1) / 2)) { $output = array(); foreach ($value as $val) { $output[] = self::dump($val); } return sprintf('[%s]', implode(', ', $output)); } // mapping $output = array(); foreach ($value as $key => $val) { $output[] = sprintf('%s: %s', self::dump($key), self::dump($val)); } return sprintf('{ %s }', implode(', ', $output)); } /** * Parses a scalar to a YAML string. * * @param scalar $scalar * @param string $delimiters * @param array $stringDelimiter * @param integer $i * @param boolean $evaluate * * @return string A YAML string / static public function parseScalar($scalar, $delimiters = null, $stringDelimiters = array('"', "'"), &$i = 0, $evaluate = true) { if (in_array($scalar[$i], $stringDelimiters)) { // quoted scalar $output = self::parseQuotedScalar($scalar, $i); // skip next delimiter ++$i; } else { // "normal" string if (!$delimiters) { $output = substr($scalar, $i); $i += strlen($output); // remove comments if (false !== $strpos = strpos($output, ' #')) { $output = rtrim(substr($output, 0, $strpos)); } } else if (preg_match('/^(.+?)('.implode('\|', $delimiters).')/', substr($scalar, $i), $match)) { $output = $match[1]; $i += strlen($output); } else { throw new InvalidArgumentException(sprintf('Malformed inline YAML string (%s).', $scalar)); } $output = $evaluate ? self::evaluateScalar($output) : $output; } return $output; } /* * Parses a quoted scalar to YAML. * * @param string $scalar * @param integer $i * * @return string A YAML string / static protected function parseQuotedScalar($scalar, &$i) { $delimiter = $scalar[$i]; ++$i; $buffer = ''; $len = strlen($scalar); $escaped = '"' == $delimiter ? '\\"' : "''"; while ($i < $len) { if (isset($scalar[$i + 1]) && $escaped == $scalar[$i].$scalar[$i + 1]) { $buffer .= $delimiter; ++$i; } else if ($delimiter == $scalar[$i]) { break; } else { $buffer .= $scalar[$i]; } ++$i; } if ('"' == $delimiter) { // evaluate the string $buffer = str_replace(array('\\n', '\\r'), array("\n", "\r"), $buffer); if (strpos($buffer,'\\x')!==false){ $buffer = preg_replace_callback(',\\\\x([0-9a-f]+),', create_function('$m', 'return chr(hexdec($m[1]));'), $buffer); } } return $buffer; } /* * Parses a sequence to a YAML string. * * @param string $sequence * @param integer $i * * @return string A YAML string / static protected function parseSequence($sequence, &$i = 0) { $output = array(); $len = strlen($sequence); $i += 1; // [foo, bar, ...] while ($i < $len) { switch ($sequence[$i]) { case '[': // nested sequence $output[] = self::parseSequence($sequence, $i); break; case '{': // nested mapping $output[] = self::parseMapping($sequence, $i); break; case ']': return $output; case ',': case ' ': break; default: $isQuoted = in_array($sequence[$i], array('"', "'")); $value = self::parseScalar($sequence, array(',', ']'), array('"', "'"), $i); if (!$isQuoted && false !== strpos($value, ': ')) { // embedded mapping? try { $value = self::parseMapping('{'.$value.'}'); } catch (InvalidArgumentException $e) { // no, it's not } } $output[] = $value; --$i; } ++$i; } throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $sequence)); } /* * Parses a mapping to a YAML string. * * @param string $mapping * @param integer $i * * @return string A YAML string / static protected function parseMapping($mapping, &$i = 0) { $output = array(); $len = strlen($mapping); $i += 1; // {foo: bar, bar:foo, ...} while ($i < $len) { switch ($mapping[$i]) { case ' ': case ',': ++$i; continue 2; case '}': return $output; } // key $key = self::parseScalar($mapping, array(':', ' '), array('"', "'"), $i, false); // value $done = false; while ($i < $len) { switch ($mapping[$i]) { case '[': // nested sequence $output[$key] = self::parseSequence($mapping, $i); $done = true; break; case '{': // nested mapping $output[$key] = self::parseMapping($mapping, $i); $done = true; break; case ':': case ' ': break; default: $output[$key] = self::parseScalar($mapping, array(',', '}'), array('"', "'"), $i); $done = true; --$i; } ++$i; if ($done) { continue 2; } } } throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $mapping)); } /* * Evaluates scalars and replaces magic values. * * @param string $scalar * * @return string A YAML string / static protected function evaluateScalar($scalar) { $scalar = trim($scalar); $trueValues = '1.1' == sfYaml::getSpecVersion() ? array('true', 'on', '+', 'yes', 'y') : array('true'); $falseValues = '1.1' == sfYaml::getSpecVersion() ? array('false', 'off', '-', 'no', 'n') : array('false'); switch (true) { case 'null' == strtolower($scalar): case '' == $scalar: case '~' == $scalar: return null; case 0 === strpos($scalar, '!str'): return (string) substr($scalar, 5); case 0 === strpos($scalar, '! '): return intval(self::parseScalar(substr($scalar, 2))); case 0 === strpos($scalar, '!!php/object:'): return unserialize(substr($scalar, 13)); case ctype_digit($scalar): $raw = $scalar; $cast = intval($scalar); return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw); case in_array(strtolower($scalar), $trueValues): return true; case in_array(strtolower($scalar), $falseValues): return false; case is_numeric($scalar): return '0x' == $scalar[0].$scalar[1] ? hexdec($scalar) : floatval($scalar); case 0 == strcasecmp($scalar, '.inf'): case 0 == strcasecmp($scalar, '.NaN'): return -log(0); case 0 == strcasecmp($scalar, '-.inf'): return log(0); case preg_match('/^(-\|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar): return floatval(str_replace(',', '', $scalar)); case preg_match(self::getTimestampRegex(), $scalar): return strtotime($scalar); default: return (string) $scalar; } } static protected function getTimestampRegex() { return <<<EOF ~^ (?P<year>[0-9][0-9][0-9][0-9]) -(?P<month>[0-9][0-9]?) -(?P<day>[0-9][0-9]?) (?:(?:[Tt]\|[ \t]+) (?P<hour>[0-9][0-9]?) :(?P<minute>[0-9][0-9]) :(?P<second>[0-9][0-9]) (?:\.(?P<fraction>[0-9]))? (?:[ \t](?P<tz>Z\|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) (?::(?P<tz_minute>[0-9][0-9]))?))?)? $~x EOF; } } ��sfYaml.php��0000666��00000007142�15252544611�0006525 0��ustar�00��<?php / * This file is part of the symfony package. * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / if (!defined('_ECRIRE_INC_VERSION')) return; /* * sfYaml offers convenience methods to load and dump YAML. * * @package symfony * @subpackage yaml * @author Fabien Potencier <fabien.potencier@symfony-project.com> * @version SVN: $Id: sfYaml.class.php 8988 2008-05-15 20:24:26Z fabien $ / class sfYaml { static protected $spec = '1.2'; /* * Sets the YAML specification version to use. * * @param string $version The YAML specification version / static public function setSpecVersion($version) { if (!in_array($version, array('1.1', '1.2'))) { throw new InvalidArgumentException(sprintf('Version %s of the YAML specifications is not supported', $version)); } self::$spec = $version; } /* * Gets the YAML specification version to use. * * @return string The YAML specification version / static public function getSpecVersion() { return self::$spec; } /* * Loads YAML into a PHP array. * * The load method, when supplied with a YAML stream (string or file), * will do its best to convert YAML in a file into a PHP array. * * Usage: * <code> * $array = sfYaml::load('config.yml'); * print_r($array); * </code> * * @param string $input Path of YAML file or string containing YAML * * @return array The YAML converted to a PHP array * * @throws InvalidArgumentException If the YAML is not valid / public static function load($input) { $file = ''; // if input is a file, load it if (strpos($input, "\n") === false && is_file($input)) { $file = $input; $content = $yaml = file_get_contents($input); // if the file contains valid PHP, process it if (strpos($content, '<'.'?') !== false AND !(defined('_YAML_EVAL_PHP') AND !_YAML_EVAL_PHP)) { ob_start(); $retval = eval('?'.'>'.$yaml); $content = ob_get_clean(); // syntax error? if ($retval === FALSE) $content = $yaml; } // if an array is returned by the config file assume it's in plain php form else in YAML $input = is_array($retval) ? $retval : $content; } // if an array is returned by the config file assume it's in plain php form else in YAML if (is_array($input)) { return $input; } require_once dirname(__FILE__).'/sfYamlParser.php'; $yaml = new sfYamlParser(); try { $ret = $yaml->parse($input); } catch (Exception $e) { throw new InvalidArgumentException(sprintf('Unable to parse %s: %s', $file ? sprintf('file "%s"', $file) : 'string', $e->getMessage())); } return $ret; } /* * Dumps a PHP array to a YAML string. * * The dump method, when supplied with an array, will do its best * to convert the array into friendly YAML. * * @param array $array PHP array * @param integer $inline The level where you switch to inline YAML * * @return string A YAML string representing the original PHP array / public static function dump($array, $inline = 2) { require_once dirname(__FILE__).'/sfYamlDumper.php'; $yaml = new sfYamlDumper(); return $yaml->dump($array, $inline); } } /* * Wraps echo to automatically provide a newline. * * @param string $string The string to echo with new line / function echoln($string) { echo $string."\n"; } ��sfYamlDumper.php��0000666��00000003312�15252544611�0007675 0��ustar�00��<?php / * This file is part of the symfony package. * (c) Fabien Potencier <fabien.potencier@symfony-project.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / if (!defined('_ECRIRE_INC_VERSION')) return; require_once(dirname(__FILE__).'/sfYamlInline.php'); /* * sfYamlDumper dumps PHP variables to YAML strings. * * @package symfony * @subpackage yaml * @author Fabien Potencier <fabien.potencier@symfony-project.com> * @version SVN: $Id: sfYamlDumper.class.php 10575 2008-08-01 13:08:42Z nicolas $ / class sfYamlDumper { /* * Dumps a PHP value to YAML. * * @param mixed $input The PHP value * @param integer $inline The level where you switch to inline YAML * @param integer $indent The level o indentation indentation (used internally) * * @return string The YAML representation of the PHP value / public function dump($input, $inline = 0, $indent = 0) { $output = ''; $prefix = $indent ? str_repeat(' ', $indent) : ''; if ($inline <= 0 \|\| !is_array($input) \|\| empty($input)) { $output .= $prefix.sfYamlInline::dump($input); } else { $isAHash = array_keys($input) !== range(0, count($input) - 1); foreach ($input as $key => $value) { $willBeInlined = $inline - 1 <= 0 \|\| !is_array($value) \|\| empty($value); $output .= sprintf('%s%s%s%s', $prefix, $isAHash ? sfYamlInline::dump($key).':' : '-', $willBeInlined ? ' ' : "\n", $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + 2) ).($willBeInlined ? "\n" : ''); } } return $output; } } ��sfYamlParser.php��0000666��00000034514�15252544611�0007705 0��ustar�00��<?php / * This file is part of the symfony package. * (c) Fabien Potencier <fabien.potencier@symfony-project.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / if (!defined('_ECRIRE_INC_VERSION')) return; require_once(dirname(__FILE__).'/sfYamlInline.php'); /* * sfYamlParser parses YAML strings to convert them to PHP arrays. * * @package symfony * @subpackage yaml * @author Fabien Potencier <fabien.potencier@symfony-project.com> * @version SVN: $Id: sfYamlParser.class.php 10832 2008-08-13 07:46:08Z fabien $ / class sfYamlParser { protected $value = '', $offset = 0, $lines = array(), $currentLineNb = -1, $currentLine = '', $refs = array(); /* * Constructor * * @param integer $offset The offset of YAML document (used for line numbers in error messages) / public function __construct($offset = 0) { $this->offset = $offset; } /* * Parses a YAML string to a PHP value. * * @param string $value A YAML string * * @return mixed A PHP value * * @throws InvalidArgumentException If the YAML is not valid / public function parse($value) { $this->value = $this->cleanup($value); $this->currentLineNb = -1; $this->currentLine = ''; $this->lines = explode("\n", $this->value); $data = array(); while ($this->moveToNextLine()) { if ($this->isCurrentLineEmpty()) { continue; } // tab? if (preg_match('#^\t+#', $this->currentLine)) { throw new InvalidArgumentException(sprintf('A YAML file cannot contain tabs as indentation at line %d (%s).', $this->getRealCurrentLineNb() + 1, $this->currentLine)); } $isRef = $isInPlace = $isProcessed = false; if (preg_match('#^\-(\s+(?P<value>.+?))?\s$#', $this->currentLine, $values)) { if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) (?P<value>.)#', $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; $parser = new sfYamlParser($c); $parser->refs =& $this->refs; $data[] = $parser->parse($this->getNextEmbedBlock()); } else { if (preg_match('/^([^ ]+)\: +({.?)$/', $values['value'], $matches)) { $data[] = array($matches[1] => sfYamlInline::load($matches[2])); } else { $data[] = $this->parseValue($values['value']); } } } else if (preg_match('#^(?P<key>[^ ].?) \:(\s+(?P<value>.+?))?\s$#', $this->currentLine, $values)) { $key = sfYamlInline::parseScalar($values['key']); if ('<<' === $key) { if (isset($values['value']) && '' === substr($values['value'], 0, 1)) { $isInPlace = substr($values['value'], 1); if (!array_key_exists($isInPlace, $this->refs)) { throw new InvalidArgumentException(sprintf('Reference "%s" does not exist at line %s (%s).', $isInPlace, $this->getRealCurrentLineNb() + 1, $this->currentLine)); } } else { if (isset($values['value']) && $values['value'] !== '') { $value = $values['value']; } else { $value = $this->getNextEmbedBlock(); } $c = $this->getRealCurrentLineNb() + 1; $parser = new sfYamlParser($c); $parser->refs =& $this->refs; $parsed = $parser->parse($value); $merged = array(); if (!is_array($parsed)) { throw new InvalidArgumentException(sprintf("YAML merge keys used with a scalar value instead of an array at line %s (%s)", $this->getRealCurrentLineNb() + 1, $this->currentLine)); } else if (isset($parsed[0])) { // Numeric array, merge individual elements foreach (array_reverse($parsed) as $parsedItem) { if (!is_array($parsedItem)) { throw new InvalidArgumentException(sprintf("Merge items must be arrays at line %s (%s).", $this->getRealCurrentLineNb() + 1, $parsedItem)); } $merged = array_merge($parsedItem, $merged); } } else { // Associative array, merge $merged = array_merge($merge, $parsed); } $isProcessed = $merged; } } else if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) (?P<value>.)#', $values['value'], $matches)) { $isRef = $matches['ref']; $values['value'] = $matches['value']; } if ($isProcessed) { // Merge keys $data = $isProcessed; } // hash else if (!isset($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()) { $data[$key] = null; } else { $c = $this->getRealCurrentLineNb() + 1; $parser = new sfYamlParser($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 { // one liner? if (1 == count(explode("\n", rtrim($this->value, "\n")))) { $value = sfYamlInline::load($this->lines[0]); if (is_array($value)) { $first = reset($value); if ('' === substr($first, 0, 1)) { $data = array(); foreach ($value as $alias) { $data[] = $this->refs[substr($alias, 1)]; } $value = $data; } } return $value; } throw new InvalidArgumentException(sprintf('Unable to parse line %d (%s).', $this->getRealCurrentLineNb() + 1, $this->currentLine)); } if ($isRef) { $this->refs[$isRef] = end($data); } } return empty($data) ? null : $data; } /** * Returns the current line number (takes the offset into account). * * @return integer The current line number / protected function getRealCurrentLineNb() { return $this->currentLineNb + $this->offset; } /* * Returns the current line indentation. * * @return integer The current line indentation / protected function getCurrentLineIndentation() { return strlen($this->currentLine) - strlen(ltrim($this->currentLine, ' ')); } /* * Returns the next embed block of YAML. * * @return string A YAML string / protected function getNextEmbedBlock() { $this->moveToNextLine(); $newIndent = $this->getCurrentLineIndentation(); if (!$this->isCurrentLineEmpty() && 0 == $newIndent) { throw new InvalidArgumentException(sprintf('Indentation problem at line %d (%s)', $this->getRealCurrentLineNb() + 1, $this->currentLine)); } $data = array(substr($this->currentLine, $newIndent)); while ($this->moveToNextLine()) { if ($this->isCurrentLineEmpty()) { if ($this->isCurrentLineBlank()) { $data[] = substr($this->currentLine, $newIndent); } continue; } $indent = $this->getCurrentLineIndentation(); if (preg_match('#^(?P<text> )$#', $this->currentLine, $match)) { // empty line $data[] = $match['text']; } else if ($indent >= $newIndent) { $data[] = substr($this->currentLine, $newIndent); } else if (0 == $indent) { $this->moveToPreviousLine(); break; } else { throw new InvalidArgumentException(sprintf('Indentation problem at line %d (%s)', $this->getRealCurrentLineNb() + 1, $this->currentLine)); } } return implode("\n", $data); } /** * Moves the parser to the next line. / protected function moveToNextLine() { if ($this->currentLineNb >= count($this->lines) - 1) { return false; } $this->currentLine = $this->lines[++$this->currentLineNb]; return true; } /* * Moves the parser to the previous line. / protected function moveToPreviousLine() { $this->currentLine = $this->lines[--$this->currentLineNb]; } /* * Parses a YAML value. * * @param string $value A YAML value * * @return mixed A PHP value / protected function parseValue($value) { if ('' === substr($value, 0, 1)) { 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 InvalidArgumentException(sprintf('Reference "%s" does not exist (%s).', $value, $this->currentLine)); } return $this->refs[$value]; } if (preg_match('/^(?P<separator>\\|\|>)(?P<modifiers>\+\|\-\|\d+\|\+\d+\|\-\d+\|\d+\+\|\d+\-)?(?P<comments> +#.)?$/', $value, $matches)) { $modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : ''; return $this->parseFoldedScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), intval(abs($modifiers))); } else { return sfYamlInline::load($value); } } /* * 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 integer $indentation The indentation that was used to begin this folded scalar * * @return string The text value / protected function parseFoldedScalar($separator, $indicator = '', $indentation = 0) { $separator = '\|' == $separator ? "\n" : ' '; $text = ''; $notEOF = $this->moveToNextLine(); while ($notEOF && $this->isCurrentLineBlank()) { $text .= "\n"; $notEOF = $this->moveToNextLine(); } if (!$notEOF) { return ''; } if (!preg_match('#^(?P<indent>'.($indentation ? str_repeat(' ', $indentation) : ' +').')(?P<text>.)$#', $this->currentLine, $matches)) { $this->moveToPreviousLine(); return ''; } $textIndent = $matches['indent']; $previousIndent = 0; $text .= $matches['text'].$separator; while ($this->currentLineNb + 1 < count($this->lines)) { $this->moveToNextLine(); if (preg_match('#^(?P<indent> {'.strlen($textIndent).',})(?P<text>.+)$#', $this->currentLine, $matches)) { if (' ' == $separator && $previousIndent != $matches['indent']) { $text = substr($text, 0, -1)."\n"; } $previousIndent = $matches['indent']; $text .= str_repeat(' ', $diff = strlen($matches['indent']) - strlen($textIndent)).$matches['text'].($diff ? "\n" : $separator); } else if (preg_match('#^(?P<text> )$#', $this->currentLine, $matches)) { $text .= preg_replace('#^ {1,'.strlen($textIndent).'}#', '', $matches['text'])."\n"; } else { $this->moveToPreviousLine(); break; } } if (' ' == $separator) { // replace last separator by a newline $text = preg_replace('/ (\n)$/', "\n$1", $text); } switch ($indicator) { case '': $text = preg_replace('#\n+$#s', "\n", $text); break; case '+': break; case '-': $text = preg_replace('#\n+$#s', '', $text); break; } return $text; } /** * Returns true if the next line is indented. * * @return Boolean Returns true if the next line is indented, false otherwise / protected function isNextLineIndented() { $currentIndentation = $this->getCurrentLineIndentation(); $notEOF = $this->moveToNextLine(); while ($notEOF && $this->isCurrentLineEmpty()) { $notEOF = $this->moveToNextLine(); } if (false === $notEOF) { 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 Boolean Returns true if the current line is empty or if it is a comment line, false otherwise / protected function isCurrentLineEmpty() { return $this->isCurrentLineBlank() \|\| $this->isCurrentLineComment(); } /* * Returns true if the current line is blank. * * @return Boolean Returns true if the current line is blank, false otherwise / protected function isCurrentLineBlank() { return '' == trim($this->currentLine, ' '); } /* * Returns true if the current line is a comment line. * * @return Boolean Returns true if the current line is a comment line, false otherwise / protected 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 $value The input YAML string * * @return string A cleaned up YAML string / protected function cleanup($value) { $value = str_replace(array("\r\n", "\r"), "\n", $value); if (!preg_match("#\n$#", $value)) { $value .= "\n"; } // strip YAML header preg_replace('#^\%YAML[: ][\d\.]+.\n#s', '', $value); // remove --- $value = preg_replace('#^\-\-\-.*?\n#s', '', $value); return $value; } } ��

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