-
Jared Hancock authored
Allow fields to be configured for view / edit / required for both agents and end users. Fields can also be disabled now so that the field remains in the form but is no longer displayed for new entries. Allow tickets to be created without a subject — use the help topic full name instead.
Jared Hancock authoredAllow fields to be configured for view / edit / required for both agents and end users. Fields can also be disabled now so that the field remains in the form but is no longer displayed for new entries. Allow tickets to be created without a subject — use the help topic full name instead.
Spyc.php 31.70 KiB
<?php
/**
* Spyc -- A Simple PHP YAML Class
* @version 0.5.1
* @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);
}
}
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);
}
}
/**
* 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
*/
var $setting_dump_force_quotes = false;
/**
* Setting this to true will forse YAMLLoad to use syck_load function when
* possible. False by default.
* @var bool
*/
var $setting_use_syck_is_possible = false;
/**#@+
* @access private
* @var mixed
*/
var $_dumpIndent;
var $_dumpWordWrap;
var $_containsGroupAnchor = false;
var $_containsGroupAlias = false;
var $path;
var $result;
var $LiteralPlaceHolder = '___YAML_Literal_Block___';
var $SavedGroups = array();
var $indent;
/**
* Path modifier that should be applied after adding current element.
* @var array
*/
var $delayedPath = array();
/**#@+
* @access public
* @var mixed
*/
var $_nodeId;
/**
* Load a valid YAML string to Spyc.
* @param string $input
* @return array
*/
function load ($input) {
return $this->__loadString($input);
}
/**
* Load a valid YAML file to Spyc.
* @param string $file
* @return array
*/
function loadFile ($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 $input Path of YAML file or string containing YAML
*/
function YAMLLoad($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 $input String containing YAML
*/
function YAMLLoadString($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)
* @param int $no_opening_dashes Do not start YAML file with "---\n"
*/
function YAMLDump($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 $wordwrap Pass in 0 for no wordwrap, false for default (40)
*/
function dump($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 $indent The indent of the current node
*/
function _yamlize($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, $this->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 $indent The indent of the current level
*/
function _yamlizeArray($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 $indent The indent of the current node
*/
function _dumpNode($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()) $value = '[ ]';
if ($value === "") $value = '""';
if (in_array ($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 === "'" . $this->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) trigger_error('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"',E_USER_ERROR);
// It's mapped if (strpos($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 $indent int The value of the indent
*/
function _doLiteralBlock($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 $value The string you wish to fold
*/
function _doFolding($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 !== $this->REMPTY)
$value = '"' . $value . '"';
if (is_numeric($value) && is_string($value))
$value = '"' . $value . '"';
}
return $value;
}
// LOADING FUNCTIONS
function __load($input) {
$Source = $this->loadFromSource($input);
return $this->loadWithSource($Source);
}
function __loadString($input) {
$Source = $this->loadFromString($input);
return $this->loadWithSource($Source);
}
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 = $this->stripIndent($line, $this->indent);
if ($this->isComment($line)) continue;
if ($this->isEmpty($line)) continue;
$this->path = $tempPath;
$literalBlockStyle = $this->startsLiteralBlock($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 && $this->greedilyNeedNextLine($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 $this->result;
}
function loadFromSource ($input) {
if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
$input = file_get_contents($input);
return $this->loadFromString($input);
}
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 $line A line from the YAML file
*/
function _parseLine($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 $value
* @return mixed
*/
function _toType($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)
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 ($value === '0') return 0;
if (stripos($value, '0x') === 0)
$value = hexdec($value);
if (rtrim ($value, 0) === $value)
$value = (float)$value;
return $value;
}
return $value;
}
/** * Used in inlines to check for more inlines or quoted strings
* @access private
* @return array
*/
function _inlineEscape($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 $explode;
}
function literalBlockContinues ($line, $lineIndent) {
if (!trim($line)) return true;
if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
return false;
}
function referenceContentsByAlias ($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 $value;
}
function addArrayInline ($array, $indent) {
$CommonGroupPath = $this->path;
if (empty ($array)) return false;
foreach ($array as $k => $_) {
$this->addArray(array($k => $_), $indent);
$this->path = $CommonGroupPath;
}
return true;
}
function addArray ($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;
}
}
$this->_containsGroupAnchor = false;
}
}
function startsLiteralBlock ($line) {
$matches = array();
if (!preg_match('`(>|\|)[\d+-]?$`', $line, $matches))
return false;
$lastChar = $matches[1];
// HTML tags should not be counted as literal blocks.
if (preg_match ('#<.*?>$#', $line)) return false;
return $lastChar;
}
function greedilyNeedNextLine($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*\[#', $line)) return true;
return false;
}
function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) {
$line = $this->stripIndent($line, $indent);
if ($literalBlockStyle !== '|') {
$line = $this->stripIndent($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 $lineArray;
}
function stripIndent ($line, $indent = -1) {
if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
return substr ($line, $indent);
}
function getParentPathByIndent ($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 $linePath;
}
function clearBiggerPathValues ($indent) {
if ($indent == 0) $this->path = array();
if (empty ($this->path)) return true;
foreach ($this->path as $k => $_) {
if ($k > $indent) unset ($this->path[$k]);
}
return true;
}
function isComment ($line) {
if (!$line) return false;
if ($line[0] == '#') return true;
if (trim($line, " \r\n\t") == '---') return true;
return false;
}
function isEmpty ($line) {
return (trim ($line) === '');
}
function isArrayElement ($line) {
if (!$line) return false;
if ($line[0] != '-') return false;
if (strlen ($line) > 3)
if (substr($line,0,3) == '---') return false;
return true;
}
function isHashElement ($line) {
return strpos($line, ':');
}
function isLiteral ($line) {
if ($this->isArrayElement($line)) return false;
if ($this->isHashElement($line)) return false;
return true;
}
function unquote ($value) {
if (!$value) return $value; if (!is_string($value)) return $value;
if ($value[0] == '\'') return trim ($value, '\'');
if ($value[0] == '"') return trim ($value, '"');
return $value;
}
function startsMappedSequence ($line) {
return ($line[0] == '-' && substr ($line, -1, 1) == ':');
}
function returnMappedSequence ($line) {
$array = array();
$key = $this->unquote(trim(substr($line,1,-1)));
$array[$key] = array();
$this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
return array($array);
}
function returnMappedValue ($line) {
$array = array();
$key = $this->unquote (trim(substr($line,0,-1)));
$array[$key] = '';
return $array;
}
function startsMappedValue ($line) {
return (substr ($line, -1, 1) == ':');
}
function isPlainArray ($line) {
return ($line[0] == '[' && substr ($line, -1, 1) == ']');
}
function returnPlainArray ($line) {
return $this->_toType($line);
}
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 $array;
}
function returnArrayElement ($line) {
if (strlen($line) <= 1) return array(array()); // Weird %)
$array = array();
$value = trim(substr($line,1));
$value = $this->_toType($value); $array[] = $value;
return $array;
}
function nodeContainsGroup ($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 $matches[1];
return false;
}
function addGroup ($line, $group) {
if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
//print_r ($this->path);
}
function stripGroup ($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);