--- /dev/null
+<?php
+/**
+ * Spyc -- A Simple PHP YAML Class
+ * @version 0.5
+ * @author Vlad Andersen <vlad.andersen@gmail.com>
+ * @author Chris Wanstrath <chris@ozmm.org>
+ * @link http://code.google.com/p/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);
+ }
+}
+
+/**
+ * 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 $array PHP array
+ * @param int $indent Pass in false to use the default, which is 2
+ * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
+ */
+ public static function YAMLDump($array,$indent = false,$wordwrap = false) {
+ $spyc = new Spyc;
+ return $spyc->dump($array,$indent,$wordwrap);
+ }
+
+
+ /**
+ * 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) {
+ // 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
+ $string = "---\n";
+
+ // Start at the base of the array and move through it.
+ if ($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, $source_array = null) {
+ if (is_array($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($value, "!") === 0 ||
+ substr ($value, -1, 1) == ':')
+ ) {
+ $value = $this->_doLiteralBlock($value,$indent);
+ } else {
+ $value = $this->_doFolding($value,$indent);
+ }
+
+ if ($value === array()) $value = '[ ]';
+ if (in_array ($value, array ('true', 'TRUE', 'false', 'FALSE', 'y', 'Y', 'n', 'N', 'null', 'NULL'), true)) {
+ $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 = '|';
+ $indent += $this->_dumpIndent;
+ $spaces = str_repeat(' ',$indent);
+ foreach ($exploded as $line) {
+ $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 . '"';
+ }
+
+
+ return $value;
+ }
+
+// LOADING FUNCTIONS
+
+ private function __load($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 ('', $Source));
+ return is_array($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);
+ }
+ $i--;
+ }
+
+ while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
+ $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
+ }
+ $i--;
+
+
+
+ if (strpos ($line, '#')) {
+ if (strpos ($line, '"') === false && strpos ($line, "'") === false)
+ $line = preg_replace('/\s+#(.+)$/','',$line);
+ }
+
+ $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($input))
+ return file($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 null;
+ $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)
+ return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));
+
+ if (strpos($value, ' #') !== false && !$is_quoted)
+ $value = preg_replace('/\s+#(.+)$/','',$value);
+
+ if (!$is_quoted) $value = str_replace('\n', "\n", $value);
+
+ if ($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)
+ $value = $intvalue;
+ return $value;
+ }
+
+ if (in_array($value,
+ array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) {
+ return true;
+ }
+
+ if (in_array(strtolower($value),
+ array('false', 'off', '-', 'no', 'n'))) {
+ return false;
+ }
+
+ if (is_numeric($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();
+
+ // 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);
+
+ $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);
+ $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];
+ }
+ }
+ }
+
+ $finished = true;
+ foreach ($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) {
+ $finished = false; break;
+ }
+ }
+ if ($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 (!$line) return false;
+ if ($line[0] != '-') 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 ($line[0] == '-' && substr ($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 returnMappedValue ($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);
+ $key = trim($explode[0]);
+ array_shift($explode);
+ $value = trim(implode(':',$explode));
+ }
+ // 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);
+ $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 $line;
+ }
+}
+
+// Enable use of Spyc from command line
+// The syntax is the following: php spyc.php spyc.yaml
+
+define ('SPYC_FROM_COMMAND_LINE', false);
+
+do {
+ if (!SPYC_FROM_COMMAND_LINE) break;
+ if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
+ if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break;
+ $file = $argv[1];
+ printf ("Spyc loading file: %s\n", $file);
+ print_r (spyc_load_file ($file));
+} while (0);
\ No newline at end of file
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