<?php
- /**
- * Spyc -- A Simple PHP YAML Class
- * @version 0.2.3 -- 2006-02-04
- * @author Chris Wanstrath <chris@ozmm.org>
- * @see http://spyc.sourceforge.net/
- * @copyright Copyright 2005-2006 Chris Wanstrath
- * @license http://www.opensource.org/licenses/mit-license.php MIT License
- */
-
- /**
- * 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>
- * $parser = new Spyc;
- * $array = $parser->load($file);
- * </code>
- * @ingroup API
- */
- class Spyc {
-
- /**
- * 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.yml 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
- * @static
- * @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);
+/**
+ * Spyc -- A Simple PHP YAML Class
+ * @version 0.2.3 -- 2006-02-04
+ * @author Chris Wanstrath <chris@ozmm.org>
+ * @see http://spyc.sourceforge.net/
+ * @copyright Copyright 2005-2006 Chris Wanstrath
+ * @license http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+
+/**
+ * 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.
+ *
+ * @ingroup API
+ */
+class Spyc {
+
+ /**
+ * 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.yml 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.
+ *
+ * @return string
+ * @param $array Array: PHP array
+ * @param $indent Integer: Pass in false to use the default, which is 2
+ * @param $wordwrap Integer: Pass in 0 for no wordwrap, false for default (40)
+ */
+ public static function YAMLDump($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.yml 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.
+ *
+ * @public
+ * @return string
+ * @param $array Array: PHP array
+ * @param $indent Integer: Pass in false to use the default, which is 2
+ * @param $wordwrap Integer: Pass in 0 for no wordwrap, false for default (40)
+ */
+ function dump($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
+ $string = "---\n";
+
+ // Start at the base of the array and move through it.
+ foreach ($array as $key => $value) {
+ $string .= $this->_yamlize($key,$value,0);
+ }
+ return $string;
+ }
+
+ /**** Private Properties ****/
+
+ private $_haveRefs;
+ private $_allNodes;
+ private $_lastIndent;
+ private $_lastNode;
+ private $_inBlock;
+ private $_isInline;
+ private $_dumpIndent;
+ private $_dumpWordWrap;
+
+ /**** Private Methods ****/
+
+ /**
+ * Attempts to convert a key / value array item to YAML
+ * @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) {
+ if (is_array($value)) {
+ // It has children. What to do?
+ // Make it the right kind of item
+ $string = $this->_dumpNode($key,NULL,$indent);
+ // 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);
+ }
+ return $string;
+ }
+
+ /**
+ * Attempts to convert an array to YAML
+ * @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)) {
+ $string = '';
+ foreach ($array as $key => $value) {
+ $string .= $this->_yamlize($key,$value,$indent);
+ }
+ return $string;
+ } else {
+ return false;
+ }
}
- /**
- * 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.yml 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) {
- // 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
- $string = "---\n";
-
- // Start at the base of the array and move through it.
- foreach ($array as $key => $value) {
- $string .= $this->_yamlize($key,$value,0);
- }
- return $string;
- }
-
- /**** Private Properties ****/
-
- /**#@+
- * @access private
- * @var mixed
- */
- var $_haveRefs;
- var $_allNodes;
- var $_lastIndent;
- var $_lastNode;
- var $_inBlock;
- var $_isInline;
- var $_dumpIndent;
- var $_dumpWordWrap;
- /**#@-*/
-
- /**** Private Methods ****/
-
- /**
- * 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) {
- if (is_array($value)) {
- // It has children. What to do?
- // Make it the right kind of item
- $string = $this->_dumpNode($key,NULL,$indent);
- // 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);
- }
- 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)) {
- $string = '';
- foreach ($array as $key => $value) {
- $string .= $this->_yamlize($key,$value,$indent);
- }
- return $string;
- } else {
- return false;
- }
- }
-
- /**
- * Find out whether a string needs to be output as a literal rather than in plain style.
- * Added by Roan Kattouw 13-03-2008
- * @param $value The string to check
- * @return bool
- */
- function _needLiteral($value) {
- # Check whether the string contains # or : or begins with any of:
- # [ - ? , [ ] { } ! * & | > ' " % @ ` ]
- # or is a number or contains newlines
- return (bool)(gettype($value) == "string" &&
- (is_numeric($value) ||
- strpos($value, "\n") ||
- preg_match("/[#:]/", $value) ||
- preg_match("/^[-?,[\]{}!*&|>'\"%@`]/", $value)));
-
- }
-
- /**
- * 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) {
- // do some folding here, for blocks
- if ($this->_needLiteral($value)) {
- $value = $this->_doLiteralBlock($value,$indent);
- } else {
- $value = $this->_doFolding($value,$indent);
- }
-
- $spaces = str_repeat(' ',$indent);
-
- if (is_int($key)) {
- // It's a sequence
- if ($value !== '' && !is_null($value))
- $string = $spaces.'- '.$value."\n";
- else
- $string = $spaces . "-\n";
- } else {
- // It's mapped
- if ($value !== '' && !is_null($value))
- $string = $spaces . $key . ': ' . $value . "\n";
- else
- $string = $spaces . $key . ":\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) {
- $exploded = explode("\n",$value);
- $newValue = '|';
- $indent += $this->_dumpIndent;
- $spaces = str_repeat(' ',$indent);
- foreach ($exploded as $line) {
- $newValue .= "\n" . $spaces . trim($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) {
- return $value;
- }
-
- if (strlen($value) > $this->_dumpWordWrap) {
- $indent += $this->_dumpIndent;
- $indent = str_repeat(' ',$indent);
- $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
- $value = ">\n".$indent.$wrapped;
- }
- return $value;
- }
- }
+ /**
+ * Find out whether a string needs to be output as a literal rather than in plain style.
+ * Added by Roan Kattouw 13-03-2008
+ * @param $value The string to check
+ * @return bool
+ */
+ function _needLiteral($value) {
+ # Check whether the string contains # or : or begins with any of:
+ # [ - ? , [ ] { } ! * & | > ' " % @ ` ]
+ # or is a number or contains newlines
+ return (bool)(gettype($value) == "string" &&
+ (is_numeric($value) ||
+ strpos($value, "\n") ||
+ preg_match("/[#:]/", $value) ||
+ preg_match("/^[-?,[\]{}!*&|>'\"%@`]/", $value)));
+
+ }
+
+ /**
+ * Returns YAML from a key and a value
+ * @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) {
+ // do some folding here, for blocks
+ if ($this->_needLiteral($value)) {
+ $value = $this->_doLiteralBlock($value,$indent);
+ } else {
+ $value = $this->_doFolding($value,$indent);
+ }
+
+ $spaces = str_repeat(' ',$indent);
+
+ if (is_int($key)) {
+ // It's a sequence
+ if ($value !== '' && !is_null($value))
+ $string = $spaces.'- '.$value."\n";
+ else
+ $string = $spaces . "-\n";
+ } else {
+ // It's mapped
+ if ($value !== '' && !is_null($value))
+ $string = $spaces . $key . ': ' . $value . "\n";
+ else
+ $string = $spaces . $key . ":\n";
+ }
+ return $string;
+ }
+
+ /**
+ * Creates a literal block for dumping
+ * @return string
+ * @param $value
+ * @param $indent int The value of the indent
+ */
+ private function _doLiteralBlock($value,$indent) {
+ $exploded = explode("\n",$value);
+ $newValue = '|';
+ $indent += $this->_dumpIndent;
+ $spaces = str_repeat(' ',$indent);
+ foreach ($exploded as $line) {
+ $newValue .= "\n" . $spaces . trim($line);
+ }
+ return $newValue;
+ }
+
+ /**
+ * Folds a string of text, if necessary
+ * @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) {
+ return $value;
+ }
+
+ if (strlen($value) > $this->_dumpWordWrap) {
+ $indent += $this->_dumpIndent;
+ $indent = str_repeat(' ',$indent);
+ $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
+ $value = ">\n".$indent.$wrapped;
+ }
+ return $value;
+ }
+}
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