openrat-cms

# OpenRat Content Management System
git clone http://git.code.weiherhei.de/openrat-cms.git
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commit 380e9d76e82ebe3a170e842b1573979da2ac9d1a
parent a219e158c754308ca995c73552badcd8b9586df6
Author: Jan Dankert <develop@jandankert.de>
Date:   Tue, 18 Aug 2020 22:49:26 +0200

New upstream release of Spyc, the YAML parser.

Diffstat:
modules/util/Spyc.class.php | 2299++++++++++++++++++++++++++++++++++++++++---------------------------------------
1 file changed, 1162 insertions(+), 1137 deletions(-)

diff --git a/modules/util/Spyc.class.php b/modules/util/Spyc.class.php @@ -1,1161 +1,1186 @@ <?php /** - * Spyc -- A Simple PHP YAML Class - * @version 0.6.2 - * @author Vlad Andersen <vlad.andersen@gmail.com> - * @author Chris Wanstrath <chris@ozmm.org> - * @link https://github.com/mustangostang/spyc/ - * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen - * @license http://www.opensource.org/licenses/mit-license.php MIT License - * @package Spyc - */ + * Spyc -- A Simple PHP YAML Class + * @version 0.6.2 + * @author Vlad Andersen <vlad.andersen@gmail.com> + * @author Chris Wanstrath <chris@ozmm.org> + * @link https://github.com/mustangostang/spyc/ + * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen + * @license http://www.opensource.org/licenses/mit-license.php MIT License + * @package Spyc + */ if (!function_exists('spyc_load')) { - /** - * Parses YAML to array. - * @param string $string YAML string. - * @return array - */ - function spyc_load ($string) { - return Spyc::YAMLLoadString($string); - } + /** + * Parses YAML to array. + * @param string $string YAML string. + * @return array + */ + function spyc_load ($string) { + return Spyc::YAMLLoadString($string); + } } if (!function_exists('spyc_load_file')) { - /** - * Parses YAML to array. - * @param string $file Path to YAML file. - * @return array - */ - function spyc_load_file ($file) { - return Spyc::YAMLLoad($file); - } + /** + * Parses YAML to array. + * @param string $file Path to YAML file. + * @return array + */ + function spyc_load_file ($file) { + return Spyc::YAMLLoad($file); + } } if (!function_exists('spyc_dump')) { - /** - * Dumps array to YAML. - * @param array $data Array. - * @return string - */ - function spyc_dump ($data) { - return Spyc::YAMLDump($data, false, false, true); - } + /** + * Dumps array to YAML. + * @param array $data Array. + * @return string + */ + function spyc_dump ($data) { + return Spyc::YAMLDump($data, false, false, true); + } } if (!class_exists('Spyc')) { -/** - * The Simple PHP YAML Class. - * - * This class can be used to read a YAML file and convert its contents - * into a PHP array. It currently supports a very limited subsection of - * the YAML spec. - * - * Usage: - * <code> - * $Spyc = new Spyc; - * $array = $Spyc->load($file); - * </code> - * or: - * <code> - * $array = Spyc::YAMLLoad($file); - * </code> - * or: - * <code> - * $array = spyc_load_file($file); - * </code> - * @package Spyc - */ -class Spyc { - - // SETTINGS - - const REMPTY = "\0\0\0\0\0"; - - /** - * Setting this to true will force YAMLDump to enclose any string value in - * quotes. False by default. - * - * @var bool - */ - public $setting_dump_force_quotes = false; - - /** - * Setting this to true will forse YAMLLoad to use syck_load function when - * possible. False by default. - * @var bool - */ - public $setting_use_syck_is_possible = false; - - - - /**#@+ - * @access private - * @var mixed - */ - private $_dumpIndent; - private $_dumpWordWrap; - private $_containsGroupAnchor = false; - private $_containsGroupAlias = false; - private $path; - private $result; - private $LiteralPlaceHolder = '___YAML_Literal_Block___'; - private $SavedGroups = array(); - private $indent; - /** - * Path modifier that should be applied after adding current element. - * @var array - */ - private $delayedPath = array(); - - /**#@+ - * @access public - * @var mixed - */ - public $_nodeId; - -/** - * Load a valid YAML string to Spyc. - * @param string $input - * @return array - */ - public function load ($input) { - return $this->_loadString($input); - } - - /** - * Load a valid YAML file to Spyc. - * @param string $file - * @return array - */ - public function loadFile ($file) { - return $this->_load($file); - } - - /** - * Load YAML into a PHP array statically - * - * 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. Pretty - * simple. - * Usage: - * <code> - * $array = Spyc::YAMLLoad('lucky.yaml'); - * print_r($array); - * </code> - * @access public - * @return array - * @param string $input Path of YAML file or string containing YAML - */ - public static function YAMLLoad($input) { - $Spyc = new Spyc; - return $Spyc->_load($input); - } - - /** - * Load a string of YAML into a PHP array statically - * - * The load method, when supplied with a YAML string, will do its best - * to convert YAML in a string into a PHP array. Pretty simple. - * - * Note: use this function if you don't want files from the file system - * loaded and processed as YAML. This is of interest to people concerned - * about security whose input is from a string. - * - * Usage: - * <code> - * $array = Spyc::YAMLLoadString("---\n0: hello world\n"); - * print_r($array); - * </code> - * @access public - * @return array - * @param string $input String containing YAML - */ - public static function YAMLLoadString($input) { - $Spyc = new Spyc; - return $Spyc->_loadString($input); - } - - /** - * Dump YAML from PHP array statically - * - * The dump method, when supplied with an array, will do its best - * to convert the array into friendly YAML. Pretty simple. Feel free to - * save the returned string as nothing.yaml and pass it around. - * - * Oh, and you can decide how big the indent is and what the wordwrap - * for folding is. Pretty cool -- just pass in 'false' for either if - * you want to use the default. - * - * Indent's default is 2 spaces, wordwrap's default is 40 characters. And - * you can turn off wordwrap by passing in 0. - * - * @access public - * @return string - * @param array|\stdClass $array PHP array - * @param int $indent Pass in false to use the default, which is 2 - * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) - * @param bool $no_opening_dashes Do not start YAML file with "---\n" - */ - public static function YAMLDump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false) { - $spyc = new Spyc; - return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes); - } - - - /** - * Dump PHP array to YAML - * - * The dump method, when supplied with an array, will do its best - * to convert the array into friendly YAML. Pretty simple. Feel free to - * save the returned string as tasteful.yaml and pass it around. - * - * Oh, and you can decide how big the indent is and what the wordwrap - * for folding is. Pretty cool -- just pass in 'false' for either if - * you want to use the default. - * - * Indent's default is 2 spaces, wordwrap's default is 40 characters. And - * you can turn off wordwrap by passing in 0. - * - * @access public - * @return string - * @param array $array PHP array - * @param int $indent Pass in false to use the default, which is 2 - * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) - */ - public function dump($array,$indent = false,$wordwrap = false, $no_opening_dashes = false) { - // Dumps to some very clean YAML. We'll have to add some more features - // and options soon. And better support for folding. - - // New features and options. - if ($indent === false or !is_numeric($indent)) { - $this->_dumpIndent = 2; - } else { - $this->_dumpIndent = $indent; - } - - if ($wordwrap === false or !is_numeric($wordwrap)) { - $this->_dumpWordWrap = 40; - } else { - $this->_dumpWordWrap = $wordwrap; - } - - // New YAML document - $string = ""; - if (!$no_opening_dashes) $string = "---\n"; - - // Start at the base of the array and move through it. - if ($array) { - $array = (array)$array; - $previous_key = -1; - foreach ($array as $key => $value) { - if (!isset($first_key)) $first_key = $key; - $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array); - $previous_key = $key; - } - } - return $string; - } - - /** - * Attempts to convert a key / value array item to YAML - * @access private - * @return string - * @param $key The name of the key - * @param $value The value of the item - * @param $indent The indent of the current node - */ - private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) { - if(is_object($value)) $value = (array)$value; - if (is_array($value)) { - if (empty ($value)) - return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array); - // It has children. What to do? - // Make it the right kind of item - $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array); - // Add the indent - $indent += $this->_dumpIndent; - // Yamlize the array - $string .= $this->_yamlizeArray($value,$indent); - } elseif (!is_array($value)) { - // It doesn't have children. Yip. - $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array); - } - return $string; - } - - /** - * Attempts to convert an array to YAML - * @access private - * @return string - * @param $array The array you want to convert - * @param $indent The indent of the current level - */ - private function _yamlizeArray($array,$indent) { - if (is_array($array)) { - $string = ''; - $previous_key = -1; - foreach ($array as $key => $value) { - if (!isset($first_key)) $first_key = $key; - $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array); - $previous_key = $key; - } - return $string; - } else { - return false; - } - } - - /** - * Returns YAML from a key and a value - * @access private - * @return string - * @param $key The name of the key - * @param $value The value of the item - * @param $indent The indent of the current node - */ - private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) { - // do some folding here, for blocks - if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false || - strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '%') !== false || strpos ($value, ' ') !== false || - strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 || - substr ($value, -1, 1) == ':') - ) { - $value = $this->_doLiteralBlock($value,$indent); - } else { - $value = $this->_doFolding($value,$indent); - } - - if ($value === array()) $value = '[ ]'; - if ($value === "") $value = '""'; - if (self::isTranslationWord($value)) { - $value = $this->_doLiteralBlock($value, $indent); - } - if (trim ($value) != $value) - $value = $this->_doLiteralBlock($value,$indent); - - if (is_bool($value)) { - $value = $value ? "true" : "false"; - } - - if ($value === null) $value = 'null'; - if ($value === "'" . self::REMPTY . "'") $value = null; - - $spaces = str_repeat(' ',$indent); - - //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) { - if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) { - // It's a sequence - $string = $spaces.'- '.$value."\n"; - } else { - // if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"'); - // It's mapped - if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; } - $string = rtrim ($spaces.$key.': '.$value)."\n"; - } - return $string; - } - - /** - * Creates a literal block for dumping - * @access private - * @return string - * @param $value - * @param $indent int The value of the indent - */ - private function _doLiteralBlock($value,$indent) { - if ($value === "\n") return '\n'; - if (strpos($value, "\n") === false && strpos($value, "'") === false) { - return sprintf ("'%s'", $value); - } - if (strpos($value, "\n") === false && strpos($value, '"') === false) { - return sprintf ('"%s"', $value); - } - $exploded = explode("\n",$value); - $newValue = '|'; - if (isset($exploded[0]) && ($exploded[0] == "|" || $exploded[0] == "|-" || $exploded[0] == ">")) { - $newValue = $exploded[0]; - unset($exploded[0]); - } - $indent += $this->_dumpIndent; - $spaces = str_repeat(' ',$indent); - foreach ($exploded as $line) { - $line = trim($line); - if (strpos($line, '"') === 0 && strrpos($line, '"') == (strlen($line)-1) || strpos($line, "'") === 0 && strrpos($line, "'") == (strlen($line)-1)) { - $line = substr($line, 1, -1); - } - $newValue .= "\n" . $spaces . ($line); - } - return $newValue; - } - - /** - * Folds a string of text, if necessary - * @access private - * @return string - * @param $value The string you wish to fold - */ - private function _doFolding($value,$indent) { - // Don't do anything if wordwrap is set to 0 - - if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) { - $indent += $this->_dumpIndent; - $indent = str_repeat(' ',$indent); - $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent"); - $value = ">\n".$indent.$wrapped; - } else { - if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY) - $value = '"' . $value . '"'; - if (is_numeric($value) && is_string($value)) - $value = '"' . $value . '"'; - } - - - return $value; - } - - private function isTrueWord($value) { - $words = self::getTranslations(array('true', 'on', 'yes', 'y')); - return in_array($value, $words, true); - } - - private function isFalseWord($value) { - $words = self::getTranslations(array('false', 'off', 'no', 'n')); - return in_array($value, $words, true); - } - - private function isNullWord($value) { - $words = self::getTranslations(array('null', '~')); - return in_array($value, $words, true); - } - - private function isTranslationWord($value) { - return ( - self::isTrueWord($value) || - self::isFalseWord($value) || - self::isNullWord($value) - ); - } - - /** - * Coerce a string into a native type - * Reference: http://yaml.org/type/bool.html - * TODO: Use only words from the YAML spec. - * @access private - * @param $value The value to coerce - */ - private function coerceValue(&$value) { - if (self::isTrueWord($value)) { - $value = true; - } else if (self::isFalseWord($value)) { - $value = false; - } else if (self::isNullWord($value)) { - $value = null; - } - } - - /** - * Given a set of words, perform the appropriate translations on them to - * match the YAML 1.1 specification for type coercing. - * @param $words The words to translate - * @access private - */ - private static function getTranslations(array $words) { - $result = array(); - foreach ($words as $i) { - $result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i))); - } - return $result; - } + /** + * The Simple PHP YAML Class. + * + * This class can be used to read a YAML file and convert its contents + * into a PHP array. It currently supports a very limited subsection of + * the YAML spec. + * + * Usage: + * <code> + * $Spyc = new Spyc; + * $array = $Spyc->load($file); + * </code> + * or: + * <code> + * $array = Spyc::YAMLLoad($file); + * </code> + * or: + * <code> + * $array = spyc_load_file($file); + * </code> + * @package Spyc + */ + class Spyc { + + // SETTINGS + + const REMPTY = "\0\0\0\0\0"; + + /** + * Setting this to true will force YAMLDump to enclose any string value in + * quotes. False by default. + * + * @var bool + */ + public $setting_dump_force_quotes = false; + + /** + * Setting this to true will forse YAMLLoad to use syck_load function when + * possible. False by default. + * @var bool + */ + public $setting_use_syck_is_possible = false; + + /** + * Setting this to true will forse YAMLLoad to use syck_load function when + * possible. False by default. + * @var bool + */ + public $setting_empty_hash_as_object = false; + + + /**#@+ + * @access private + * @var mixed + */ + private $_dumpIndent; + private $_dumpWordWrap; + private $_containsGroupAnchor = false; + private $_containsGroupAlias = false; + private $path; + private $result; + private $LiteralPlaceHolder = '___YAML_Literal_Block___'; + private $SavedGroups = array(); + private $indent; + /** + * Path modifier that should be applied after adding current element. + * @var array + */ + private $delayedPath = array(); + + /**#@+ + * @access public + * @var mixed + */ + public $_nodeId; + + /** + * Load a valid YAML string to Spyc. + * @param string $input + * @return array + */ + public function load ($input) { + return $this->_loadString($input); + } + + /** + * Load a valid YAML file to Spyc. + * @param string $file + * @return array + */ + public function loadFile ($file) { + return $this->_load($file); + } + + /** + * Load YAML into a PHP array statically + * + * 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. Pretty + * simple. + * Usage: + * <code> + * $array = Spyc::YAMLLoad('lucky.yaml'); + * print_r($array); + * </code> + * @access public + * @return array + * @param string $input Path of YAML file or string containing YAML + * @param array set options + */ + public static function YAMLLoad($input, $options = []) { + $Spyc = new Spyc; + foreach ($options as $key => $value) { + if (property_exists($Spyc, $key)) { + $Spyc->$key = $value; + } + } + return $Spyc->_load($input); + } + + /** + * Load a string of YAML into a PHP array statically + * + * The load method, when supplied with a YAML string, will do its best + * to convert YAML in a string into a PHP array. Pretty simple. + * + * Note: use this function if you don't want files from the file system + * loaded and processed as YAML. This is of interest to people concerned + * about security whose input is from a string. + * + * Usage: + * <code> + * $array = Spyc::YAMLLoadString("---\n0: hello world\n"); + * print_r($array); + * </code> + * @access public + * @return array + * @param string $input String containing YAML + * @param array set options + */ + public static function YAMLLoadString($input, $options = []) { + $Spyc = new Spyc; + foreach ($options as $key => $value) { + if (property_exists($Spyc, $key)) { + $Spyc->$key = $value; + } + } + return $Spyc->_loadString($input); + } + + /** + * Dump YAML from PHP array statically + * + * The dump method, when supplied with an array, will do its best + * to convert the array into friendly YAML. Pretty simple. Feel free to + * save the returned string as nothing.yaml and pass it around. + * + * Oh, and you can decide how big the indent is and what the wordwrap + * for folding is. Pretty cool -- just pass in 'false' for either if + * you want to use the default. + * + * Indent's default is 2 spaces, wordwrap's default is 40 characters. And + * you can turn off wordwrap by passing in 0. + * + * @access public + * @return string + * @param array|\stdClass $array PHP array + * @param int $indent Pass in false to use the default, which is 2 + * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) + * @param bool $no_opening_dashes Do not start YAML file with "---\n" + */ + public static function YAMLDump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false) { + $spyc = new Spyc; + return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes); + } + + + /** + * Dump PHP array to YAML + * + * The dump method, when supplied with an array, will do its best + * to convert the array into friendly YAML. Pretty simple. Feel free to + * save the returned string as tasteful.yaml and pass it around. + * + * Oh, and you can decide how big the indent is and what the wordwrap + * for folding is. Pretty cool -- just pass in 'false' for either if + * you want to use the default. + * + * Indent's default is 2 spaces, wordwrap's default is 40 characters. And + * you can turn off wordwrap by passing in 0. + * + * @access public + * @return string + * @param array $array PHP array + * @param int $indent Pass in false to use the default, which is 2 + * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) + */ + public function dump($array,$indent = false,$wordwrap = false, $no_opening_dashes = false) { + // Dumps to some very clean YAML. We'll have to add some more features + // and options soon. And better support for folding. + + // New features and options. + if ($indent === false or !is_numeric($indent)) { + $this->_dumpIndent = 2; + } else { + $this->_dumpIndent = $indent; + } + + if ($wordwrap === false or !is_numeric($wordwrap)) { + $this->_dumpWordWrap = 40; + } else { + $this->_dumpWordWrap = $wordwrap; + } + + // New YAML document + $string = ""; + if (!$no_opening_dashes) $string = "---\n"; + + // Start at the base of the array and move through it. + if ($array) { + $array = (array)$array; + $previous_key = -1; + foreach ($array as $key => $value) { + if (!isset($first_key)) $first_key = $key; + $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array); + $previous_key = $key; + } + } + return $string; + } + + /** + * Attempts to convert a key / value array item to YAML + * @access private + * @return string + * @param $key The name of the key + * @param $value The value of the item + * @param $indent The indent of the current node + */ + private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) { + if(is_object($value)) $value = (array)$value; + if (is_array($value)) { + if (empty ($value)) + return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array); + // It has children. What to do? + // Make it the right kind of item + $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array); + // Add the indent + $indent += $this->_dumpIndent; + // Yamlize the array + $string .= $this->_yamlizeArray($value,$indent); + } elseif (!is_array($value)) { + // It doesn't have children. Yip. + $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array); + } + return $string; + } + + /** + * Attempts to convert an array to YAML + * @access private + * @return string + * @param $array The array you want to convert + * @param $indent The indent of the current level + */ + private function _yamlizeArray($array,$indent) { + if (is_array($array)) { + $string = ''; + $previous_key = -1; + foreach ($array as $key => $value) { + if (!isset($first_key)) $first_key = $key; + $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array); + $previous_key = $key; + } + return $string; + } else { + return false; + } + } + + /** + * Returns YAML from a key and a value + * @access private + * @return string + * @param $key The name of the key + * @param $value The value of the item + * @param $indent The indent of the current node + */ + private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) { + // do some folding here, for blocks + if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false || + strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '%') !== false || strpos ($value, ' ') !== false || + strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 || + substr ($value, -1, 1) == ':') + ) { + $value = $this->_doLiteralBlock($value,$indent); + } else { + $value = $this->_doFolding($value,$indent); + } + + if ($value === array()) $value = '[ ]'; + if ($value === "") $value = '""'; + if (self::isTranslationWord($value)) { + $value = $this->_doLiteralBlock($value, $indent); + } + if (trim ($value) != $value) + $value = $this->_doLiteralBlock($value,$indent); + + if (is_bool($value)) { + $value = $value ? "true" : "false"; + } + + if ($value === null) $value = 'null'; + if ($value === "'" . self::REMPTY . "'") $value = null; + + $spaces = str_repeat(' ',$indent); + + //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) { + if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) { + // It's a sequence + $string = $spaces.'- '.$value."\n"; + } else { + // if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"'); + // It's mapped + if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; } + $string = rtrim ($spaces.$key.': '.$value)."\n"; + } + return $string; + } + + /** + * Creates a literal block for dumping + * @access private + * @return string + * @param $value + * @param $indent int The value of the indent + */ + private function _doLiteralBlock($value,$indent) { + if ($value === "\n") return '\n'; + if (strpos($value, "\n") === false && strpos($value, "'") === false) { + return sprintf ("'%s'", $value); + } + if (strpos($value, "\n") === false && strpos($value, '"') === false) { + return sprintf ('"%s"', $value); + } + $exploded = explode("\n",$value); + $newValue = '|'; + if (isset($exploded[0]) && ($exploded[0] == "|" || $exploded[0] == "|-" || $exploded[0] == ">")) { + $newValue = $exploded[0]; + unset($exploded[0]); + } + $indent += $this->_dumpIndent; + $spaces = str_repeat(' ',$indent); + foreach ($exploded as $line) { + $line = trim($line); + if (strpos($line, '"') === 0 && strrpos($line, '"') == (strlen($line)-1) || strpos($line, "'") === 0 && strrpos($line, "'") == (strlen($line)-1)) { + $line = substr($line, 1, -1); + } + $newValue .= "\n" . $spaces . ($line); + } + return $newValue; + } + + /** + * Folds a string of text, if necessary + * @access private + * @return string + * @param $value The string you wish to fold + */ + private function _doFolding($value,$indent) { + // Don't do anything if wordwrap is set to 0 + + if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) { + $indent += $this->_dumpIndent; + $indent = str_repeat(' ',$indent); + $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent"); + $value = ">\n".$indent.$wrapped; + } else { + if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY) + $value = '"' . $value . '"'; + if (is_numeric($value) && is_string($value)) + $value = '"' . $value . '"'; + } + + + return $value; + } + + private function isTrueWord($value) { + $words = self::getTranslations(array('true', 'on', 'yes', 'y')); + return in_array($value, $words, true); + } + + private function isFalseWord($value) { + $words = self::getTranslations(array('false', 'off', 'no', 'n')); + return in_array($value, $words, true); + } + + private function isNullWord($value) { + $words = self::getTranslations(array('null', '~')); + return in_array($value, $words, true); + } + + private function isTranslationWord($value) { + return ( + self::isTrueWord($value) || + self::isFalseWord($value) || + self::isNullWord($value) + ); + } + + /** + * Coerce a string into a native type + * Reference: http://yaml.org/type/bool.html + * TODO: Use only words from the YAML spec. + * @access private + * @param $value The value to coerce + */ + private function coerceValue(&$value) { + if (self::isTrueWord($value)) { + $value = true; + } else if (self::isFalseWord($value)) { + $value = false; + } else if (self::isNullWord($value)) { + $value = null; + } + } + + /** + * Given a set of words, perform the appropriate translations on them to + * match the YAML 1.1 specification for type coercing. + * @param $words The words to translate + * @access private + */ + private static function getTranslations(array $words) { + $result = array(); + foreach ($words as $i) { + $result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i))); + } + return $result; + } // LOADING FUNCTIONS - private function _load($input) { - $Source = $this->loadFromSource($input); - return $this->loadWithSource($Source); - } - - private function _loadString($input) { - $Source = $this->loadFromString($input); - return $this->loadWithSource($Source); - } - - private function loadWithSource($Source) { - if (empty ($Source)) return array(); - if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) { - $array = syck_load (implode ("\n", $Source)); - return is_array($array) ? $array : array(); - } - - $this->path = array(); - $this->result = array(); - - $cnt = count($Source); - for ($i = 0; $i < $cnt; $i++) { - $line = $Source[$i]; - - $this->indent = strlen($line) - strlen(ltrim($line)); - $tempPath = $this->getParentPathByIndent($this->indent); - $line = self::stripIndent($line, $this->indent); - if (self::isComment($line)) continue; - if (self::isEmpty($line)) continue; - $this->path = $tempPath; - - $literalBlockStyle = self::startsLiteralBlock($line); - if ($literalBlockStyle) { - $line = rtrim ($line, $literalBlockStyle . " \n"); - $literalBlock = ''; - $line .= ' '.$this->LiteralPlaceHolder; - $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1])); - while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) { - $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent); - } - $i--; - } - - // Strip out comments - if (strpos ($line, '#')) { - $line = preg_replace('/\s*#([^"\']+)$/','',$line); - } - - while (++$i < $cnt && self::greedilyNeedNextLine($line)) { - $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t"); - } - $i--; - - $lineArray = $this->_parseLine($line); - - if ($literalBlockStyle) - $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock); - - $this->addArray($lineArray, $this->indent); - - foreach ($this->delayedPath as $indent => $delayedPath) - $this->path[$indent] = $delayedPath; - - $this->delayedPath = array(); - - } - return $this->result; - } - - private function loadFromSource ($input) { - if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) - $input = file_get_contents($input); - - return $this->loadFromString($input); - } - - private function loadFromString ($input) { - $lines = explode("\n",$input); - foreach ($lines as $k => $_) { - $lines[$k] = rtrim ($_, "\r"); - } - return $lines; - } - - /** - * Parses YAML code and returns an array for a node - * @access private - * @return array - * @param string $line A line from the YAML file - */ - private function _parseLine($line) { - if (!$line) return array(); - $line = trim($line); - if (!$line) return array(); - - $array = array(); - - $group = $this->nodeContainsGroup($line); - if ($group) { - $this->addGroup($line, $group); - $line = $this->stripGroup ($line, $group); - } - - if ($this->startsMappedSequence($line)) - return $this->returnMappedSequence($line); - - if ($this->startsMappedValue($line)) - return $this->returnMappedValue($line); - - if ($this->isArrayElement($line)) - return $this->returnArrayElement($line); - - if ($this->isPlainArray($line)) - return $this->returnPlainArray($line); - - - return $this->returnKeyValuePair($line); - - } - - /** - * Finds the type of the passed value, returns the value as the new type. - * @access private - * @param string $value - * @return mixed - */ - private function _toType($value) { - if ($value === '') return ""; - $first_character = $value[0]; - $last_character = substr($value, -1, 1); - - $is_quoted = false; - do { - if (!$value) break; - if ($first_character != '"' && $first_character != "'") break; - if ($last_character != '"' && $last_character != "'") break; - $is_quoted = true; - } while (0); - - if ($is_quoted) { - $value = str_replace('\n', "\n", $value); - if ($first_character == "'") - return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\'')); - return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\'')); - } - - if (strpos($value, ' #') !== false && !$is_quoted) - $value = preg_replace('/\s+#(.+)$/','',$value); - - if ($first_character == '[' && $last_character == ']') { - // Take out strings sequences and mappings - $innerValue = trim(substr ($value, 1, -1)); - if ($innerValue === '') return array(); - $explode = $this->_inlineEscape($innerValue); - // Propagate value array - $value = array(); - foreach ($explode as $v) { - $value[] = $this->_toType($v); - } - return $value; - } - - if (strpos($value,': ')!==false && $first_character != '{') { - $array = explode(': ',$value); - $key = trim($array[0]); - array_shift($array); - $value = trim(implode(': ',$array)); - $value = $this->_toType($value); - return array($key => $value); - } - - if ($first_character == '{' && $last_character == '}') { - $innerValue = trim(substr ($value, 1, -1)); - if ($innerValue === '') return array(); - // Inline Mapping - // Take out strings sequences and mappings - $explode = $this->_inlineEscape($innerValue); - // Propagate value array - $array = array(); - foreach ($explode as $v) { - $SubArr = $this->_toType($v); - if (empty($SubArr)) continue; - if (is_array ($SubArr)) { - $array[key($SubArr)] = $SubArr[key($SubArr)]; continue; - } - $array[] = $SubArr; - } - return $array; - } - - if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') { - return null; - } - - if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){ - $intvalue = (int)$value; - if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX) - $value = $intvalue; - return $value; - } - - if ( is_string($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) { - // Hexadecimal value. - return hexdec($value); - } - - $this->coerceValue($value); - - if (is_numeric($value)) { - if ($value === '0') return 0; - if (rtrim ($value, 0) === $value) - $value = (float)$value; - return $value; - } - - return $value; - } - - /** - * Used in inlines to check for more inlines or quoted strings - * @access private - * @return array - */ - private function _inlineEscape($inline) { - // There's gotta be a cleaner way to do this... - // While pure sequences seem to be nesting just fine, - // pure mappings and mappings with sequences inside can't go very - // deep. This needs to be fixed. - - $seqs = array(); - $maps = array(); - $saved_strings = array(); - $saved_empties = array(); - - // Check for empty strings - $regex = '/("")|(\'\')/'; - if (preg_match_all($regex,$inline,$strings)) { - $saved_empties = $strings[0]; - $inline = preg_replace($regex,'YAMLEmpty',$inline); - } - unset($regex); - - // Check for strings - $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/'; - if (preg_match_all($regex,$inline,$strings)) { - $saved_strings = $strings[0]; - $inline = preg_replace($regex,'YAMLString',$inline); - } - unset($regex); - - // echo $inline; - - $i = 0; - do { - - // Check for sequences - while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) { - $seqs[] = $matchseqs[0]; - $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1); - } - - // Check for mappings - while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) { - $maps[] = $matchmaps[0]; - $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1); - } - - if ($i++ >= 10) break; - - } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false); - - $explode = explode(',',$inline); - $explode = array_map('trim', $explode); - $stringi = 0; $i = 0; - - while (1) { - - // Re-add the sequences - if (!empty($seqs)) { - foreach ($explode as $key => $value) { - if (strpos($value,'YAMLSeq') !== false) { - foreach ($seqs as $seqk => $seq) { - $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value); - $value = $explode[$key]; - } - } - } - } - - // Re-add the mappings - if (!empty($maps)) { - foreach ($explode as $key => $value) { - if (strpos($value,'YAMLMap') !== false) { - foreach ($maps as $mapk => $map) { - $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value); - $value = $explode[$key]; - } - } - } - } - - - // Re-add the strings - if (!empty($saved_strings)) { - foreach ($explode as $key => $value) { - while (strpos($value,'YAMLString') !== false) { - $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1); - unset($saved_strings[$stringi]); - ++$stringi; - $value = $explode[$key]; - } - } - } - - - // Re-add the empties - if (!empty($saved_empties)) { - foreach ($explode as $key => $value) { - while (strpos($value,'YAMLEmpty') !== false) { - $explode[$key] = preg_replace('/YAMLEmpty/', '', $value, 1); - $value = $explode[$key]; - } - } - } - - $finished = true; - foreach ($explode as $key => $value) { - if (strpos($value,'YAMLSeq') !== false) { - $finished = false; break; - } - if (strpos($value,'YAMLMap') !== false) { - $finished = false; break; - } - if (strpos($value,'YAMLString') !== false) { - $finished = false; break; - } - if (strpos($value,'YAMLEmpty') !== false) { - $finished = false; break; - } - } - if ($finished) break; - - $i++; - if ($i > 10) - break; // Prevent infinite loops. - } - - - return $explode; - } - - private function literalBlockContinues ($line, $lineIndent) { - if (!trim($line)) return true; - if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true; - return false; - } - - private function referenceContentsByAlias ($alias) { - do { - if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; } - $groupPath = $this->SavedGroups[$alias]; - $value = $this->result; - foreach ($groupPath as $k) { - $value = $value[$k]; - } - } while (false); - return $value; - } - - private function addArrayInline ($array, $indent) { - $CommonGroupPath = $this->path; - if (empty ($array)) return false; - - foreach ($array as $k => $_) { - $this->addArray(array($k => $_), $indent); - $this->path = $CommonGroupPath; - } - return true; - } - - private function addArray ($incoming_data, $incoming_indent) { - - // print_r ($incoming_data); - - if (count ($incoming_data) > 1) - return $this->addArrayInline ($incoming_data, $incoming_indent); - - $key = key ($incoming_data); - $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null; - if ($key === '__!YAMLZero') $key = '0'; - - if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values. - if ($key || $key === '' || $key === '0') { - $this->result[$key] = $value; - } else { - $this->result[] = $value; end ($this->result); $key = key ($this->result); - } - $this->path[$incoming_indent] = $key; - return; - } - - - - $history = array(); - // Unfolding inner array tree. - $history[] = $_arr = $this->result; - foreach ($this->path as $k) { - $history[] = $_arr = $_arr[$k]; - } - - if ($this->_containsGroupAlias) { - $value = $this->referenceContentsByAlias($this->_containsGroupAlias); - $this->_containsGroupAlias = false; - } - - - // Adding string or numeric key to the innermost level or $this->arr. - if (is_string($key) && $key == '<<') { - if (!is_array ($_arr)) { $_arr = array (); } - - $_arr = array_merge ($_arr, $value); - } else if ($key || $key === '' || $key === '0') { - if (!is_array ($_arr)) - $_arr = array ($key=>$value); - else - $_arr[$key] = $value; - } else { - if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } - else { $_arr[] = $value; end ($_arr); $key = key ($_arr); } - } - - $reverse_path = array_reverse($this->path); - $reverse_history = array_reverse ($history); - $reverse_history[0] = $_arr; - $cnt = count($reverse_history) - 1; - for ($i = 0; $i < $cnt; $i++) { - $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i]; - } - $this->result = $reverse_history[$cnt]; - - $this->path[$incoming_indent] = $key; - - if ($this->_containsGroupAnchor) { - $this->SavedGroups[$this->_containsGroupAnchor] = $this->path; - if (is_array ($value)) { - $k = key ($value); - if (!is_int ($k)) { - $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k; - } - } - $this->_containsGroupAnchor = false; - } - - } - - private static function startsLiteralBlock ($line) { - $lastChar = substr (trim($line), -1); - if ($lastChar != '>' && $lastChar != '|') return false; - if ($lastChar == '|') return $lastChar; - // HTML tags should not be counted as literal blocks. - if (preg_match ('#<.*?>$#', $line)) return false; - return $lastChar; - } - - private static function greedilyNeedNextLine($line) { - $line = trim ($line); - if (!strlen($line)) return false; - if (substr ($line, -1, 1) == ']') return false; - if ($line[0] == '[') return true; - if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true; - return false; - } - - private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) { - $line = self::stripIndent($line, $indent); - if ($literalBlockStyle !== '|') { - $line = self::stripIndent($line); - } - $line = rtrim ($line, "\r\n\t ") . "\n"; - if ($literalBlockStyle == '|') { - return $literalBlock . $line; - } - if (strlen($line) == 0) - return rtrim($literalBlock, ' ') . "\n"; - if ($line == "\n" && $literalBlockStyle == '>') { - return rtrim ($literalBlock, " \t") . "\n"; - } - if ($line != "\n") - $line = trim ($line, "\r\n ") . " "; - return $literalBlock . $line; - } - - function revertLiteralPlaceHolder ($lineArray, $literalBlock) { - foreach ($lineArray as $k => $_) { - if (is_array($_)) - $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock); - else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) - $lineArray[$k] = rtrim ($literalBlock, " \r\n"); - } - return $lineArray; - } - - private static function stripIndent ($line, $indent = -1) { - if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line)); - return substr ($line, $indent); - } - - private function getParentPathByIndent ($indent) { - if ($indent == 0) return array(); - $linePath = $this->path; - do { - end($linePath); $lastIndentInParentPath = key($linePath); - if ($indent <= $lastIndentInParentPath) array_pop ($linePath); - } while ($indent <= $lastIndentInParentPath); - return $linePath; - } - - - private function clearBiggerPathValues ($indent) { - - - if ($indent == 0) $this->path = array(); - if (empty ($this->path)) return true; - - foreach ($this->path as $k => $_) { - if ($k > $indent) unset ($this->path[$k]); - } - - return true; - } - - - private static function isComment ($line) { - if (!$line) return false; - if ($line[0] == '#') return true; - if (trim($line, " \r\n\t") == '---') return true; - return false; - } - - private static function isEmpty ($line) { - return (trim ($line) === ''); - } - - - private function isArrayElement ($line) { - if (!$line || !is_scalar($line)) return false; - if (substr($line, 0, 2) != '- ') return false; - if (strlen ($line) > 3) - if (substr($line,0,3) == '---') return false; - - return true; - } - - private function isHashElement ($line) { - return strpos($line, ':'); - } - - private function isLiteral ($line) { - if ($this->isArrayElement($line)) return false; - if ($this->isHashElement($line)) return false; - return true; - } - - - private static function unquote ($value) { - if (!$value) return $value; - if (!is_string($value)) return $value; - if ($value[0] == '\'') return trim ($value, '\''); - if ($value[0] == '"') return trim ($value, '"'); - return $value; - } - - private function startsMappedSequence ($line) { - return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':'); - } - - private function returnMappedSequence ($line) { - $array = array(); - $key = self::unquote(trim(substr($line,1,-1))); - $array[$key] = array(); - $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key); - return array($array); - } - - private function checkKeysInValue($value) { - if (strchr('[{"\'', $value[0]) === false) { - if (strchr($value, ': ') !== false) { - throw new Exception('Too many keys: '.$value); - } - } - } - - private function returnMappedValue ($line) { - $this->checkKeysInValue($line); - $array = array(); - $key = self::unquote (trim(substr($line,0,-1))); - $array[$key] = ''; - return $array; - } - - private function startsMappedValue ($line) { - return (substr ($line, -1, 1) == ':'); - } - - private function isPlainArray ($line) { - return ($line[0] == '[' && substr ($line, -1, 1) == ']'); - } - - private function returnPlainArray ($line) { - return $this->_toType($line); - } - - private function returnKeyValuePair ($line) { - $array = array(); - $key = ''; - if (strpos ($line, ': ')) { - // It's a key/value pair most likely - // If the key is in double quotes pull it out - if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) { - $value = trim(str_replace($matches[1],'',$line)); - $key = $matches[2]; - } else { - // Do some guesswork as to the key and the value - $explode = explode(': ', $line); - $key = trim(array_shift($explode)); - $value = trim(implode(': ', $explode)); - $this->checkKeysInValue($value); - } - // Set the type of the value. Int, string, etc - $value = $this->_toType($value); - if ($key === '0') $key = '__!YAMLZero'; - $array[$key] = $value; - } else { - $array = array ($line); - } - return $array; - - } - - - private function returnArrayElement ($line) { - if (strlen($line) <= 1) return array(array()); // Weird %) - $array = array(); - $value = trim(substr($line,1)); - $value = $this->_toType($value); - if ($this->isArrayElement($value)) { - $value = $this->returnArrayElement($value); - } - $array[] = $value; - return $array; - } - - - private function nodeContainsGroup ($line) { - $symbolsForReference = 'A-z0-9_\-'; - if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-) - if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; - if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; - if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1]; - if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1]; - if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1]; - return false; - - } - - private function addGroup ($line, $group) { - if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1); - if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1); - //print_r ($this->path); - } - - private function stripGroup ($line, $group) { - $line = trim(str_replace($group, '', $line)); - return $line; - } -} + private function _load($input) { + $Source = $this->loadFromSource($input); + return $this->loadWithSource($Source); + } + + private function _loadString($input) { + $Source = $this->loadFromString($input); + return $this->loadWithSource($Source); + } + + private function loadWithSource($Source) { + if (empty ($Source)) return array(); + if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) { + $array = syck_load (implode ("\n", $Source)); + return is_array($array) ? $array : array(); + } + + $this->path = array(); + $this->result = array(); + + $cnt = count($Source); + for ($i = 0; $i < $cnt; $i++) { + $line = $Source[$i]; + + $this->indent = strlen($line) - strlen(ltrim($line)); + $tempPath = $this->getParentPathByIndent($this->indent); + $line = self::stripIndent($line, $this->indent); + if (self::isComment($line)) continue; + if (self::isEmpty($line)) continue; + $this->path = $tempPath; + + $literalBlockStyle = self::startsLiteralBlock($line); + if ($literalBlockStyle) { + $line = rtrim ($line, $literalBlockStyle . " \n"); + $literalBlock = ''; + $line .= ' '.$this->LiteralPlaceHolder; + $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1])); + while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) { + $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent); + } + $i--; + } + + // Strip out comments + if (strpos ($line, '#')) { + $line = preg_replace('/\s*#([^"\']+)$/','',$line); + } + + while (++$i < $cnt && self::greedilyNeedNextLine($line)) { + $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t"); + } + $i--; + + $lineArray = $this->_parseLine($line); + + if ($literalBlockStyle) + $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock); + + $this->addArray($lineArray, $this->indent); + + foreach ($this->delayedPath as $indent => $delayedPath) + $this->path[$indent] = $delayedPath; + + $this->delayedPath = array(); + + } + return $this->result; + } + + private function loadFromSource ($input) { + if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) + $input = file_get_contents($input); + + return $this->loadFromString($input); + } + + private function loadFromString ($input) { + $lines = explode("\n",$input); + foreach ($lines as $k => $_) { + $lines[$k] = rtrim ($_, "\r"); + } + return $lines; + } + + /** + * Parses YAML code and returns an array for a node + * @access private + * @return array + * @param string $line A line from the YAML file + */ + private function _parseLine($line) { + if (!$line) return array(); + $line = trim($line); + if (!$line) return array(); + + $array = array(); + + $group = $this->nodeContainsGroup($line); + if ($group) { + $this->addGroup($line, $group); + $line = $this->stripGroup ($line, $group); + } + + if ($this->startsMappedSequence($line)) { + return $this->returnMappedSequence($line); + } + + if ($this->startsMappedValue($line)) { + return $this->returnMappedValue($line); + } + + if ($this->isArrayElement($line)) + return $this->returnArrayElement($line); + + if ($this->isPlainArray($line)) + return $this->returnPlainArray($line); + + return $this->returnKeyValuePair($line); + + } + + /** + * Finds the type of the passed value, returns the value as the new type. + * @access private + * @param string $value + * @return mixed + */ + private function _toType($value) { + if ($value === '') return ""; + + if ($this->setting_empty_hash_as_object && $value === '{}') { + return new stdClass(); + } + + $first_character = $value[0]; + $last_character = substr($value, -1, 1); + + $is_quoted = false; + do { + if (!$value) break; + if ($first_character != '"' && $first_character != "'") break; + if ($last_character != '"' && $last_character != "'") break; + $is_quoted = true; + } while (0); + + if ($is_quoted) { + $value = str_replace('\n', "\n", $value); + if ($first_character == "'") + return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\'')); + return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\'')); + } + + if (strpos($value, ' #') !== false && !$is_quoted) + $value = preg_replace('/\s+#(.+)$/','',$value); + + if ($first_character == '[' && $last_character == ']') { + // Take out strings sequences and mappings + $innerValue = trim(substr ($value, 1, -1)); + if ($innerValue === '') return array(); + $explode = $this->_inlineEscape($innerValue); + // Propagate value array + $value = array(); + foreach ($explode as $v) { + $value[] = $this->_toType($v); + } + return $value; + } + + if (strpos($value,': ')!==false && $first_character != '{') { + $array = explode(': ',$value); + $key = trim($array[0]); + array_shift($array); + $value = trim(implode(': ',$array)); + $value = $this->_toType($value); + return array($key => $value); + } + + if ($first_character == '{' && $last_character == '}') { + $innerValue = trim(substr ($value, 1, -1)); + if ($innerValue === '') return array(); + // Inline Mapping + // Take out strings sequences and mappings + $explode = $this->_inlineEscape($innerValue); + // Propagate value array + $array = array(); + foreach ($explode as $v) { + $SubArr = $this->_toType($v); + if (empty($SubArr)) continue; + if (is_array ($SubArr)) { + $array[key($SubArr)] = $SubArr[key($SubArr)]; continue; + } + $array[] = $SubArr; + } + return $array; + } + + if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') { + return null; + } + + if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){ + $intvalue = (int)$value; + if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX) + $value = $intvalue; + return $value; + } + + if ( is_string($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) { + // Hexadecimal value. + return hexdec($value); + } + + $this->coerceValue($value); + + if (is_numeric($value)) { + if ($value === '0') return 0; + if (rtrim ($value, 0) === $value) + $value = (float)$value; + return $value; + } + + return $value; + } + + /** + * Used in inlines to check for more inlines or quoted strings + * @access private + * @return array + */ + private function _inlineEscape($inline) { + // There's gotta be a cleaner way to do this... + // While pure sequences seem to be nesting just fine, + // pure mappings and mappings with sequences inside can't go very + // deep. This needs to be fixed. + + $seqs = array(); + $maps = array(); + $saved_strings = array(); + $saved_empties = array(); + + // Check for empty strings + $regex = '/("")|(\'\')/'; + if (preg_match_all($regex,$inline,$strings)) { + $saved_empties = $strings[0]; + $inline = preg_replace($regex,'YAMLEmpty',$inline); + } + unset($regex); + + // Check for strings + $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/'; + if (preg_match_all($regex,$inline,$strings)) { + $saved_strings = $strings[0]; + $inline = preg_replace($regex,'YAMLString',$inline); + } + unset($regex); + + // echo $inline; + + $i = 0; + do { + + // Check for sequences + while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) { + $seqs[] = $matchseqs[0]; + $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1); + } + + // Check for mappings + while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) { + $maps[] = $matchmaps[0]; + $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1); + } + + if ($i++ >= 10) break; + + } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false); + + $explode = explode(',',$inline); + $explode = array_map('trim', $explode); + $stringi = 0; $i = 0; + + while (1) { + + // Re-add the sequences + if (!empty($seqs)) { + foreach ($explode as $key => $value) { + if (strpos($value,'YAMLSeq') !== false) { + foreach ($seqs as $seqk => $seq) { + $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value); + $value = $explode[$key]; + } + } + } + } + + // Re-add the mappings + if (!empty($maps)) { + foreach ($explode as $key => $value) { + if (strpos($value,'YAMLMap') !== false) { + foreach ($maps as $mapk => $map) { + $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value); + $value = $explode[$key]; + } + } + } + } + + + // Re-add the strings + if (!empty($saved_strings)) { + foreach ($explode as $key => $value) { + while (strpos($value,'YAMLString') !== false) { + $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1); + unset($saved_strings[$stringi]); + ++$stringi; + $value = $explode[$key]; + } + } + } + + + // Re-add the empties + if (!empty($saved_empties)) { + foreach ($explode as $key => $value) { + while (strpos($value,'YAMLEmpty') !== false) { + $explode[$key] = preg_replace('/YAMLEmpty/', '', $value, 1); + $value = $explode[$key]; + } + } + } + + $finished = true; + foreach ($explode as $key => $value) { + if (strpos($value,'YAMLSeq') !== false) { + $finished = false; break; + } + if (strpos($value,'YAMLMap') !== false) { + $finished = false; break; + } + if (strpos($value,'YAMLString') !== false) { + $finished = false; break; + } + if (strpos($value,'YAMLEmpty') !== false) { + $finished = false; break; + } + } + if ($finished) break; + + $i++; + if ($i > 10) + break; // Prevent infinite loops. + } + + + return $explode; + } + + private function literalBlockContinues ($line, $lineIndent) { + if (!trim($line)) return true; + if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true; + return false; + } + + private function referenceContentsByAlias ($alias) { + do { + if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; } + $groupPath = $this->SavedGroups[$alias]; + $value = $this->result; + foreach ($groupPath as $k) { + $value = $value[$k]; + } + } while (false); + return $value; + } + + private function addArrayInline ($array, $indent) { + $CommonGroupPath = $this->path; + if (empty ($array)) return false; + + foreach ($array as $k => $_) { + $this->addArray(array($k => $_), $indent); + $this->path = $CommonGroupPath; + } + return true; + } + + private function addArray ($incoming_data, $incoming_indent) { + + // print_r ($incoming_data); + + if (count ($incoming_data) > 1) + return $this->addArrayInline ($incoming_data, $incoming_indent); + + $key = key ($incoming_data); + $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null; + if ($key === '__!YAMLZero') $key = '0'; + + if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values. + if ($key || $key === '' || $key === '0') { + $this->result[$key] = $value; + } else { + $this->result[] = $value; end ($this->result); $key = key ($this->result); + } + $this->path[$incoming_indent] = $key; + return; + } + + + + $history = array(); + // Unfolding inner array tree. + $history[] = $_arr = $this->result; + foreach ($this->path as $k) { + $history[] = $_arr = $_arr[$k]; + } + + if ($this->_containsGroupAlias) { + $value = $this->referenceContentsByAlias($this->_containsGroupAlias); + $this->_containsGroupAlias = false; + } + + + // Adding string or numeric key to the innermost level or $this->arr. + if (is_string($key) && $key == '<<') { + if (!is_array ($_arr)) { $_arr = array (); } + + $_arr = array_merge ($_arr, $value); + } else if ($key || $key === '' || $key === '0') { + if (!is_array ($_arr)) + $_arr = array ($key=>$value); + else + $_arr[$key] = $value; + } else { + if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } + else { $_arr[] = $value; end ($_arr); $key = key ($_arr); } + } + + $reverse_path = array_reverse($this->path); + $reverse_history = array_reverse ($history); + $reverse_history[0] = $_arr; + $cnt = count($reverse_history) - 1; + for ($i = 0; $i < $cnt; $i++) { + $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i]; + } + $this->result = $reverse_history[$cnt]; + + $this->path[$incoming_indent] = $key; + + if ($this->_containsGroupAnchor) { + $this->SavedGroups[$this->_containsGroupAnchor] = $this->path; + if (is_array ($value)) { + $k = key ($value); + if (!is_int ($k)) { + $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k; + } + } + $this->_containsGroupAnchor = false; + } + + } + + private static function startsLiteralBlock ($line) { + $lastChar = substr (trim($line), -1); + if ($lastChar != '>' && $lastChar != '|') return false; + if ($lastChar == '|') return $lastChar; + // HTML tags should not be counted as literal blocks. + if (preg_match ('#<.*?>$#', $line)) return false; + return $lastChar; + } + + private static function greedilyNeedNextLine($line) { + $line = trim ($line); + if (!strlen($line)) return false; + if (substr ($line, -1, 1) == ']') return false; + if ($line[0] == '[') return true; + if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true; + return false; + } + + private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) { + $line = self::stripIndent($line, $indent); + if ($literalBlockStyle !== '|') { + $line = self::stripIndent($line); + } + $line = rtrim ($line, "\r\n\t ") . "\n"; + if ($literalBlockStyle == '|') { + return $literalBlock . $line; + } + if (strlen($line) == 0) + return rtrim($literalBlock, ' ') . "\n"; + if ($line == "\n" && $literalBlockStyle == '>') { + return rtrim ($literalBlock, " \t") . "\n"; + } + if ($line != "\n") + $line = trim ($line, "\r\n ") . " "; + return $literalBlock . $line; + } + + function revertLiteralPlaceHolder ($lineArray, $literalBlock) { + foreach ($lineArray as $k => $_) { + if (is_array($_)) + $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock); + else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) + $lineArray[$k] = rtrim ($literalBlock, " \r\n"); + } + return $lineArray; + } + + private static function stripIndent ($line, $indent = -1) { + if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line)); + return substr ($line, $indent); + } + + private function getParentPathByIndent ($indent) { + if ($indent == 0) return array(); + $linePath = $this->path; + do { + end($linePath); $lastIndentInParentPath = key($linePath); + if ($indent <= $lastIndentInParentPath) array_pop ($linePath); + } while ($indent <= $lastIndentInParentPath); + return $linePath; + } + + + private function clearBiggerPathValues ($indent) { + + + if ($indent == 0) $this->path = array(); + if (empty ($this->path)) return true; + + foreach ($this->path as $k => $_) { + if ($k > $indent) unset ($this->path[$k]); + } + + return true; + } + + + private static function isComment ($line) { + if (!$line) return false; + if ($line[0] == '#') return true; + if (trim($line, " \r\n\t") == '---') return true; + return false; + } + + private static function isEmpty ($line) { + return (trim ($line) === ''); + } + + + private function isArrayElement ($line) { + if (!$line || !is_scalar($line)) return false; + if (substr($line, 0, 2) != '- ') return false; + if (strlen ($line) > 3) + if (substr($line,0,3) == '---') return false; + + return true; + } + + private function isHashElement ($line) { + return strpos($line, ':'); + } + + private function isLiteral ($line) { + if ($this->isArrayElement($line)) return false; + if ($this->isHashElement($line)) return false; + return true; + } + + + private static function unquote ($value) { + if (!$value) return $value; + if (!is_string($value)) return $value; + if ($value[0] == '\'') return trim ($value, '\''); + if ($value[0] == '"') return trim ($value, '"'); + return $value; + } + + private function startsMappedSequence ($line) { + return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':'); + } + + private function returnMappedSequence ($line) { + $array = array(); + $key = self::unquote(trim(substr($line,1,-1))); + $array[$key] = array(); + $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key); + return array($array); + } + + private function checkKeysInValue($value) { + if (strchr('[{"\'', $value[0]) === false) { + if (strchr($value, ': ') !== false) { + throw new Exception('Too many keys: '.$value); + } + } + } + + private function returnMappedValue ($line) { + $this->checkKeysInValue($line); + $array = array(); + $key = self::unquote (trim(substr($line,0,-1))); + $array[$key] = ''; + return $array; + } + + private function startsMappedValue ($line) { + return (substr ($line, -1, 1) == ':'); + } + + private function isPlainArray ($line) { + return ($line[0] == '[' && substr ($line, -1, 1) == ']'); + } + + private function returnPlainArray ($line) { + return $this->_toType($line); + } + + private function returnKeyValuePair ($line) { + $array = array(); + $key = ''; + if (strpos ($line, ': ')) { + // It's a key/value pair most likely + // If the key is in double quotes pull it out + if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) { + $value = trim(str_replace($matches[1],'',$line)); + $key = $matches[2]; + } else { + // Do some guesswork as to the key and the value + $explode = explode(': ', $line); + $key = trim(array_shift($explode)); + $value = trim(implode(': ', $explode)); + $this->checkKeysInValue($value); + } + // Set the type of the value. Int, string, etc + $value = $this->_toType($value); + + if ($key === '0') $key = '__!YAMLZero'; + $array[$key] = $value; + } else { + $array = array ($line); + } + return $array; + + } + + + private function returnArrayElement ($line) { + if (strlen($line) <= 1) return array(array()); // Weird %) + $array = array(); + $value = trim(substr($line,1)); + $value = $this->_toType($value); + if ($this->isArrayElement($value)) { + $value = $this->returnArrayElement($value); + } + $array[] = $value; + return $array; + } + + + private function nodeContainsGroup ($line) { + $symbolsForReference = 'A-z0-9_\-'; + if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-) + if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; + if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; + if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1]; + if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1]; + if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1]; + return false; + + } + + private function addGroup ($line, $group) { + if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1); + if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1); + //print_r ($this->path); + } + + private function stripGroup ($line, $group) { + $line = trim(str_replace($group, '', $line)); + return $line; + } + } } // Enable use of Spyc from command line // The syntax is the following: php Spyc.php spyc.yaml do { - if (PHP_SAPI != 'cli') break; - if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break; - if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) break; - $file = $argv[1]; - echo json_encode (spyc_load_file ($file)); + if (PHP_SAPI != 'cli') break; + if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break; + if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) break; + $file = $argv[1]; + echo json_encode (spyc_load_file ($file)); } while (0);