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Diffstat (limited to 'common/app/lib/spyc-0.5/spyc.php')
| -rw-r--r-- | common/app/lib/spyc-0.5/spyc.php | 1046 |
1 files changed, 1046 insertions, 0 deletions
diff --git a/common/app/lib/spyc-0.5/spyc.php b/common/app/lib/spyc-0.5/spyc.php new file mode 100644 index 0000000..e19d562 --- /dev/null +++ b/common/app/lib/spyc-0.5/spyc.php @@ -0,0 +1,1046 @@ +<?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);
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