<?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
- */
+ * Spyc -- A Simple PHP YAML Class
+ * @version 0.4.5
+ * @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, 2006-2009 Vlad Andersen
+ * @license http://www.opensource.org/licenses/mit-license.php MIT License
+ * @package Spyc
+ */
+/**
+ * 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.
+ */
+class Spyc {
+
+ // SETTINGS
+
+ /**
+ * 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;
/**
- * 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
+ * Load a valid YAML string to Spyc.
+ * @param string $input
+ * @return array
*/
-class Spyc {
+ public function load ( $input ) {
+ return $this->__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.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 );
- }
+ /**
+ * Load a valid YAML file to Spyc.
+ * @param string $file
+ * @return array
+ */
+ public function loadFile ( $file ) {
+ return $this->__load( $file );
+ }
- /**
- * 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;
- }
+ /**
+ * 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 );
+ }
- if ( $wordwrap === false or !is_numeric( $wordwrap ) ) {
- $this->_dumpWordWrap = 40;
- } else {
- $this->_dumpWordWrap = $wordwrap;
- }
+ /**
+ * 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 );
+ }
- // New YAML document
- $string = "---\n";
+ /**
+ * 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 );
+ }
- // 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;
- }
+ /**
+ * 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.
- /**
- * 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;
- }
+ // New features and options.
+ if ( $indent === false or !is_numeric( $indent ) ) {
+ $this->_dumpIndent = 2;
+ } else {
+ $this->_dumpIndent = $indent;
}
- /**
- * 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 ) ) );
- }
+ if ( $wordwrap === false or !is_numeric( $wordwrap ) ) {
+ $this->_dumpWordWrap = 40;
+ } else {
+ $this->_dumpWordWrap = $wordwrap;
+ }
- /**
- * 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 );
- }
+ // New YAML document
+ $string = "---\n";
+
+ // Start at the base of the array and move through it.
+ if ( $array ) {
+ $array = (array)$array;
+ $first_key = key( $array );
+
+ $previous_key = - 1;
+ foreach ( $array as $key => $value ) {
+ $string .= $this->_yamlize( $key, $value, 0, $previous_key, $first_key );
+ $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 ) {
+ if ( is_array( $value ) ) {
+ if ( empty ( $value ) )
+ return $this->_dumpNode( $key, array(), $indent, $previous_key, $first_key );
+ // It has children. What to do?
+ // Make it the right kind of item
+ $string = $this->_dumpNode( $key, NULL, $indent, $previous_key, $first_key );
+ // 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 );
+ }
+ return $string;
+ }
- $spaces = str_repeat( ' ', $indent );
+ /**
+ * 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;
+ $first_key = key( $array );
+ foreach ( $array as $key => $value ) {
+ $string .= $this->_yamlize( $key, $value, $indent, $previous_key, $first_key );
+ $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 ) {
+ // 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 ) || substr ( $value, - 1, 1 ) == ':' ) ) {
+ $value = $this->_doLiteralBlock( $value, $indent );
+ } else {
+ $value = $this->_doFolding( $value, $indent );
+ if ( is_bool( $value ) ) {
+ $value = ( $value ) ? "true" : "false";
+ }
+ }
+
+ if ( $value === array() ) $value = '[ ]';
if ( is_int( $key ) ) {
// It's a sequence
else
$string = $spaces . "-\n";
} else {
- if ($key == '*') //bug 21922 - Quote asterix used as keys
+ if ( $key == '*' ) // bug 21922 - Quote asterix used as keys
$key = "'*'";
// It's mapped
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;
- }
+ if ( is_int( $key ) && $key - 1 == $previous_key && $first_key === 0 ) {
+ // 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 ) { $key = '"' . $key . '"'; }
+ $string = $spaces . $key . ': ' . $value . "\n";
+ }
+ return $string;
+ }
- /**
- * 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;
- }
+ /**
+ * 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 ( 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 . trim( $line );
+ }
+ return $newValue;
+ }
- 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;
- }
+ /**
+ * 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 = '"' . $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 .= $this->LiteralPlaceHolder;
+
+ while ( ++$i < $cnt && $this->literalBlockContinues( $Source[$i], $this->indent ) ) {
+ $literalBlock = $this->addLiteralLine( $literalBlock, $Source[$i], $literalBlockStyle );
+ }
+ $i--;
+ }
+
+ while ( ++$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 )
+ $value = preg_replace( '/\s+#(.+)$/', '', $value );
+
+ if ( $first_character == '[' && $last_character == ']' ) {
+ // Take out strings sequences and mappings
+ $innerValue = trim( substr ( $value, 1, - 1 ) );
+ if ( $innerValue === '' ) return 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 ( intval( $first_character ) > 0 && preg_match ( '/^[1-9]+[0-9]*$/', $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 ( trim ( $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' ) {
+ $_arr[$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 ) {
+ $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;
+ }
}
dépôts / lhc / web / wiklou.git / commitdiff