ref: 0e09b71c5ef598db9e6188614e43844621024b1e
converter/vendor/mustangostang/spyc/Spyc.php
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<?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 */ if (!function_exists('spyc_load')) { /** * 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); } } 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); } } 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 $result; } // LOADING FUNCTIONS private function _load($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 $line; } } } // Enable use of Spyc from command line // The syntax is the following: php Spyc.php spyc.yaml do { if (PHP_SAPI != 'cli') break; if (empty ($_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)); } while (0); |