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<?php
/**
* Mirasvit
*
* This source file is subject to the Mirasvit Software License, which is available at https://mirasvit.com/license/.
* Do not edit or add to this file if you wish to upgrade the to newer versions in the future.
* If you wish to customize this module for your needs.
* Please refer to http://www.magentocommerce.com for more information.
*
* @category Mirasvit
* @package mirasvit/module-core
* @version 1.4.31
* @copyright Copyright (C) 2023 Mirasvit (https://mirasvit.com/)
*/
namespace Mirasvit\Core\Service;
/**
* Spyc -- A Simple PHP YAML Class
* @version 0.6.2
* @author Vlad Andersen <[email protected]>
* @author Chris Wanstrath <[email protected]>
* @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
* @SuppressWarnings(PHPMD)
*/
class YamlService
{
// 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;
/**
* @var int
*/
private $_dumpWordWrap;
/**
* @var bool
*/
private $_containsGroupAnchor = false;
/**
* @var bool
*/
private $_containsGroupAlias = false;
/**
* @var string
*/
private $path;
/**
* @var string
*/
private $result;
/**
* @var string
*/
private $LiteralPlaceHolder = '___YAML_Literal_Block___';
/**
* @var array
*/
private $SavedGroups = [];
/**
* @var int
*/
private $indent;
/**
* Path modifier that should be applied after adding current element.
* @var array
*/
private $delayedPath = [];
/**#@+
* @access public
* @var mixed
*/
public $_nodeId;
/**
* Load a valid YAML string to Yaml.
* @param string $input
* @return array
*/
public function load($input)
{
return $this->_loadString($input);
}
/**
* Load a valid YAML file to Yaml.
* @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>
* $array = Yaml::YAMLLoad('lucky.yaml');
* print_r($array);
* </code>
* @access public
* @return array
* @param string $input Path of YAML file or string containing YAML
*/
public static function parse($input)
{
$yaml = new self();
return $yaml->_load($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>
* $array = Yaml::YAMLLoadString("---\n0: hello world\n");
* print_r($array);
* </code>
* @access public
* @return array
* @param string $input String containing YAML
*/
public static function YAMLLoadString($input)
{
$yaml = new self();
return $yaml->_loadString($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
* @param array|\stdClass $array PHP array
* @param bool|int $indent Pass in false to use the default, which is 2
* @param bool $wordwrap Pass in 0 for no wordwrap, false for default (40)
* @param bool $no_opening_dashes Do not start YAML file with "---\n"
* @return string
*/
public static function dump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false)
{
$yaml = new self();
return $yaml->_dump($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
* @param array $array PHP array
* @param bool $indent Pass in false to use the default, which is 2
* @param bool $wordwrap Pass in 0 for no wordwrap, false for default (40)
* @param bool $no_opening_dashes
* @return string
*/
public function _dump($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
* @param string $key The name of the key
* @param mixed $value The value of the item
* @param int $indent The indent of the current node
* @param int $previous_key
* @param int $first_key
* @param null $source_array
* @return string
*/
private function _yamlize($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, [], $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 $array The array you want to convert
* @param int $indent The indent of the current level
*/
private function _yamlizeArray($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
* @param string $key The name of the key
* @param string $value The value of the item
* @param int $indent The indent of the current node
* @param int $previous_key
* @param int $first_key
* @param null $source_array
* @return string
*/
private function _dumpNode($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 === []) {
$value = '[ ]';
}
if ($value === "") {
$value = '""';
}
if (self::isTranslationWord($value)) {
$value = $this->_doLiteralBlock($value, $indent);
}
if ($value && 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 string $value
* @param int $indent int The value of the indent
*/
private function _doLiteralBlock($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
* @param string $value The string you wish to fold
* @param int $indent
* @return string
*/
private function _doFolding($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;
}
/**
* @param string $value
* @return bool
*/
private function isTrueWord($value)
{
$words = self::getTranslations(['true', 'on', 'yes', 'y']);
return in_array($value, $words, true);
}
/**
* @param string $value
* @return bool
*/
private function isFalseWord($value)
{
$words = self::getTranslations(['false', 'off', 'no', 'n']);
return in_array($value, $words, true);
}
/**
* @param string $value
* @return bool
*/
private function isNullWord($value)
{
$words = self::getTranslations(['null', '~']);
return in_array($value, $words, true);
}
/**
* @param string $value
* @return bool
*/
private function isTranslationWord($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 string $value The value to coerce
*/
private function coerceValue(&$value)
{
if (self::isTrueWord($value)) {
$value = true;
} elseif (self::isFalseWord($value)) {
$value = false;
} elseif (self::isNullWord($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 array $words The words to translate
* @return array
* @return array
* @access private
*/
private static function getTranslations(array $words)
{
$result = [];
foreach ($words as $i) {
$result = array_merge($result, [ucfirst($i), strtoupper($i), strtolower($i)]);
}
return $result;
}
// LOADING FUNCTIONS
/**
* @param string $input
* @return array|string
* @throws \Exception
*/
private function _load($input)
{
$Source = $this->loadFromSource($input);
return $this->loadWithSource($Source);
}
/**
* @param string $input
* @return array|string
* @throws \Exception
*/
private function _loadString($input)
{
$Source = $this->loadFromString($input);
return $this->loadWithSource($Source);
}
/**
* @param string $Source
* @return array|string
* @throws \Exception
*/
private function loadWithSource($Source)
{
if (empty($Source)) {
return [];
}
if ($this->setting_use_syck_is_possible && function_exists('syck_load')) {
$array = syck_load(implode("\n", $Source));
return is_array($array) ? $array : [];
}
$this->path = [];
$this->result = [];
$cnt = count($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, '#') !== false) {
$line = preg_replace('/\s*#([^"\']+)$/', '', $line);
}
while (++$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 = [];
}
return $this->result;
}
/**
* @param string $input
* @return array
*/
private function loadFromSource($input)
{
if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) {
$input = file_get_contents($input);
}
return $this->loadFromString($input);
}
/**
* @param string $input
* @return array
*/
private function loadFromString($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 [];
}
$line = trim($line);
if (!$line) {
return [];
}
$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($value, 1, -1), ['\'\'' => '\'', '\\\'' => '\'']);
}
return strtr(substr($value, 1, -1), ['\\"' => '"', '\\\'' => '\'']);
}
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 [];
}
$explode = $this->_inlineEscape($innerValue);
// Propagate value array
$value = [];
foreach ($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 [$key => $value];
}
if ($first_character == '{' && $last_character == '}') {
$innerValue = trim(substr($value, 1, -1));
if ($innerValue === '') {
return [];
}
// Inline Mapping
// Take out strings sequences and mappings
$explode = $this->_inlineEscape($innerValue);
// Propagate value 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
* @param mixed $inline
* @return array
*/
private function _inlineEscape($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 = [];
$maps = [];
$saved_strings = [];
$saved_empties = [];
// 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;
}
/**
* @param string $line
* @param string $lineIndent
* @return bool
*/
private function literalBlockContinues($line, $lineIndent)
{
if (!trim($line)) {
return true;
}
if (strlen($line) - strlen(ltrim($line)) > $lineIndent) {
return true;
}
return false;
}
/**
* @param array $alias
* @return mixed|string
* @throws \Exception
*/
private function referenceContentsByAlias($alias)
{
do {
if (!isset($this->SavedGroups[$alias])) {
// echo "Bad group name: $alias."; // eqp fix
throw new \Exception("Bad group name: $alias.");
break;
}
$groupPath = $this->SavedGroups[$alias];
$value = $this->result;
foreach ($groupPath as $k) {
$value = $value[$k];
}
} while (false);
return $value;
}
/**
* @param array $array
* @param int $indent
* @return bool
* @throws \Exception
*/
private function addArrayInline($array, $indent)
{
$CommonGroupPath = $this->path;
if (empty($array)) {
return false;
}
foreach ($array as $k => $_) {
$this->addArray([$k => $_], $indent);
$this->path = $CommonGroupPath;
}
return true;
}
/**
* @param mixed $incoming_data
* @param mixed $incoming_indent
* @return bool|void
* @throws \Exception
*/
private function addArray($incoming_data, $incoming_indent)
{
if (count($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 = [];
// 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 = [];
}
$_arr = array_merge($_arr, $value);
} elseif ($key || $key === '' || $key === '0') {
if (!is_array($_arr)) {
$_arr = [$key => $value];
} else {
$_arr[$key] = $value;
}
} else {
if (!is_array($_arr)) {
$_arr = [$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;
}
}
/**
* @param string $line
* @return bool|false|string
*/
private static function startsLiteralBlock($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;
}
/**
* @param string $line
* @return bool
*/
private static function greedilyNeedNextLine($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;
}
/**
* @param mixed $literalBlock
* @param string $line
* @param mixed $literalBlockStyle
* @param int $indent
* @return string
*/
private function addLiteralLine($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;
}
/**
* @param string $lineArray
* @param mixed $literalBlock
* @return mixed
*/
public function revertLiteralPlaceHolder($lineArray, $literalBlock)
{
foreach ($lineArray as $k => $_) {
if (is_array($_)) {
$lineArray[$k] = $this->revertLiteralPlaceHolder($_, $literalBlock);
} elseif (substr($_, -1 * strlen($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) {
$lineArray[$k] = rtrim($literalBlock, " \r\n");
}
}
return $lineArray;
}
/**
* @param string $line
* @param int $indent
* @return false|string
*/
private static function stripIndent($line, $indent = -1)
{
if ($indent == -1) {
$indent = strlen($line) - strlen(ltrim($line));
}
return substr($line, $indent);
}
/**
* @param int $indent
* @return array|string
*/
private function getParentPathByIndent($indent)
{
if ($indent == 0) {
return [];
}
$linePath = $this->path;
do {
end($linePath);
$lastIndentInParentPath = key($linePath);
if ($indent <= $lastIndentInParentPath) {
array_pop($linePath);
}
} while ($indent <= $lastIndentInParentPath);
return $linePath;
}
/**
* @param int $indent
* @return bool
*/
private function clearBiggerPathValues($indent)
{
if ($indent == 0) {
$this->path = [];
}
if (empty($this->path)) {
return true;
}
foreach ($this->path as $k => $_) {
if ($k > $indent) {
unset($this->path[$k]);
}
}
return true;
}
/**
* @param string $line
* @return bool
*/
private static function isComment($line)
{
if (!$line) {
return false;
}
if ($line[0] == '#') {
return true;
}
if (trim($line, " \r\n\t") == '---') {
return true;
}
return false;
}
/**
* @param string $line
* @return bool
*/
private static function isEmpty($line)
{
return (trim($line) === '');
}
/**
* @param string $line
* @return bool
*/
private function isArrayElement($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;
}
/**
* @param string $line
* @return false|int
*/
private function isHashElement($line)
{
return strpos($line, ':');
}
/**
* @param string $line
* @return bool
*/
private function isLiteral($line)
{
if ($this->isArrayElement($line)) {
return false;
}
if ($this->isHashElement($line)) {
return false;
}
return true;
}
/**
* @param string $value
* @return string
*/
private static function unquote($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;
}
/**
* @param string $line
* @return bool
*/
private function startsMappedSequence($line)
{
return (substr($line, 0, 2) == '- ' && substr($line, -1, 1) == ':');
}
/**
* @param string $line
* @return array
*/
private function returnMappedSequence($line)
{
$array = [];
$key = self::unquote(trim(substr($line, 1, -1)));
$array[$key] = [];
$this->delayedPath = [strpos($line, $key) + $this->indent => $key];
return [$array];
}
/**
* @param string $value
* @throws \Exception
*/
private function checkKeysInValue($value)
{
if (strchr('[{"\'', $value[0]) === false) {
if (strchr($value, ': ') !== false) {
throw new \Exception('Too many keys: ' . $value);
}
}
}
/**
* @param string $line
* @return array
* @throws \Exception
*/
private function returnMappedValue($line)
{
$this->checkKeysInValue($line);
$array = [];
$key = self::unquote(trim(substr($line, 0, -1)));
$array[$key] = '';
return $array;
}
/**
* @param string $line
* @return bool
*/
private function startsMappedValue($line)
{
return (substr($line, -1, 1) == ':');
}
/**
* @param string $line
* @return bool
*/
private function isPlainArray($line)
{
return ($line[0] == '[' && substr($line, -1, 1) == ']');
}
/**
* @param string $line
* @return mixed
*/
private function returnPlainArray($line)
{
return $this->_toType($line);
}
/**
* @param string $line
* @return array
* @throws \Exception
*/
private function returnKeyValuePair($line)
{
$array = [];
$key = '';
if (strpos($line, ': ') !== false) {
// 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 {
$array = [$line];
}
return $array;
}
/**
* @param string $line
* @return array
*/
private function returnArrayElement($line)
{
if (strlen($line) <= 1) {
return [[]]; // Weird %)
}
$array = [];
$value = trim(substr($line, 1));
$value = $this->_toType($value);
if ($this->isArrayElement($value)) {
$value = $this->returnArrayElement($value);
}
$array[] = $value;
return $array;
}
/**
* @param string $line
* @return bool|mixed
*/
private function nodeContainsGroup($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;
}
/**
* @param string $line
* @param mixed $group
*/
private function addGroup($line, $group)
{
if ($group[0] == '&') {
$this->_containsGroupAnchor = substr($group, 1);
}
if ($group[0] == '*') {
$this->_containsGroupAlias = substr($group, 1);
}
}
/**
* @param string $line
* @param mixed $group
* @return string
*/
private function stripGroup($line, $group)
{
$line = trim(str_replace($group, '', $line));
return $line;
}
}