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Commit 1632bf3a authored by Luke√'s avatar Luke√
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Update spyc.php

parent 1e69dbad
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lib/Spyc/spyc.php
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<?php
/**
* Spyc -- A Simple PHP YAML Class
* @version 0.4.5
* @version 0.6.2
* @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
* @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
*/
......@@ -32,7 +32,20 @@ if (!function_exists('spyc_load_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);
}
}
if (!class_exists('Spyc')) {
/**
* The Simple PHP YAML Class.
*
* This class can be used to read a YAML file and convert its contents
......@@ -54,10 +67,12 @@ if (!function_exists('spyc_load_file')) {
* </code>
* @package Spyc
*/
class 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.
......@@ -100,13 +115,13 @@ class Spyc {
*/
public $_nodeId;
/**
/**
* Load a valid YAML string to Spyc.
* @param string $input
* @return array
*/
public function load ($input) {
return $this->__loadString($input);
return $this->_loadString($input);
}
/**
......@@ -115,7 +130,7 @@ class Spyc {
* @return array
*/
public function loadFile ($file) {
return $this->__load($file);
return $this->_load($file);
}
/**
......@@ -135,7 +150,7 @@ class Spyc {
*/
public static function YAMLLoad($input) {
$Spyc = new Spyc;
return $Spyc->__load($input);
return $Spyc->_load($input);
}
/**
......@@ -159,7 +174,7 @@ class Spyc {
*/
public static function YAMLLoadString($input) {
$Spyc = new Spyc;
return $Spyc->__loadString($input);
return $Spyc->_loadString($input);
}
/**
......@@ -178,13 +193,14 @@ class Spyc {
*
* @access public
* @return string
* @param array $array PHP array
* @param array|\stdClass $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 bool $no_opening_dashes Do not start YAML file with "---\n"
*/
public static function YAMLDump($array,$indent = false,$wordwrap = false) {
public static function YAMLDump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false) {
$spyc = new Spyc;
return $spyc->dump($array,$indent,$wordwrap);
return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes);
}
......@@ -208,7 +224,7 @@ class Spyc {
* @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) {
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.
......@@ -226,16 +242,16 @@ class Spyc {
}
// New YAML document
$string = "---\n";
$string = "";
if (!$no_opening_dashes) $string = "---\n";
// Start at the base of the array and move through it.
if ($array) {
$array = (array)$array;
$first_key = key($array);
$previous_key = -1;
foreach ($array as $key => $value) {
$string .= $this->_yamlize($key,$value,0,$previous_key, $first_key);
if (!isset($first_key)) $first_key = $key;
$string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
$previous_key = $key;
}
}
......@@ -250,20 +266,21 @@ class Spyc {
* @param $value The value of the item
* @param $indent The indent of the current node
*/
private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0) {
private function _yamlize($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, array(), $indent, $previous_key, $first_key);
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, NULL, $indent, $previous_key, $first_key);
$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);
$string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array);
}
return $string;
}
......@@ -279,9 +296,9 @@ class Spyc {
if (is_array($array)) {
$string = '';
$previous_key = -1;
$first_key = key($array);
foreach ($array as $key => $value) {
$string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key);
if (!isset($first_key)) $first_key = $key;
$string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
$previous_key = $key;
}
return $string;
......@@ -298,31 +315,44 @@ class Spyc {
* @param $value The value of the item
* @param $indent The indent of the current node
*/
private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0) {
private function _dumpNode($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($value,"}") !== false) || substr ($value, -1, 1) == ':')) {
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,$indent);
if (is_bool($value)) {
$value = ($value) ? "true" : "false";
}
}
if ($value === array()) $value = '[ ]';
if ($value === "") $value = '""';
if (self::isTranslationWord($value)) {
$value = $this->_doLiteralBlock($value, $indent);
}
if (trim ($value) != $value)
$value = $this->_doLiteralBlock($value,$indent);
if (is_bool($value)) {
$value = $value ? "true" : "false";
}
if ($value === null) $value = 'null';
if ($value === "'" . self::REMPTY . "'") $value = null;
$spaces = str_repeat(' ',$indent);
if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
//if (is_int($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 "'. $key .'"');
// if ($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.': '.$value."\n";
if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; }
$string = rtrim ($spaces.$key.': '.$value)."\n";
}
return $string;
}
......@@ -335,6 +365,7 @@ class Spyc {
* @param $indent int The value of the indent
*/
private function _doLiteralBlock($value,$indent) {
if ($value === "\n") return '\n';
if (strpos($value, "\n") === false && strpos($value, "'") === false) {
return sprintf ("'%s'", $value);
}
......@@ -343,10 +374,18 @@ class Spyc {
}
$exploded = explode("\n",$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) {
$newValue .= "\n" . $spaces . trim($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;
}
......@@ -366,7 +405,9 @@ class Spyc {
$wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
$value = ">\n".$indent.$wrapped;
} else {
if ($this->setting_dump_force_quotes && is_string ($value))
if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
$value = '"' . $value . '"';
if (is_numeric($value) && is_string($value))
$value = '"' . $value . '"';
}
......@@ -374,14 +415,68 @@ class Spyc {
return $value;
}
private function isTrueWord($value) {
$words = self::getTranslations(array('true', 'on', 'yes', 'y'));
return in_array($value, $words, true);
}
private function isFalseWord($value) {
$words = self::getTranslations(array('false', 'off', 'no', 'n'));
return in_array($value, $words, true);
}
private function isNullWord($value) {
$words = self::getTranslations(array('null', '~'));
return in_array($value, $words, true);
}
private function isTranslationWord($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 $value The value to coerce
*/
private function coerceValue(&$value) {
if (self::isTrueWord($value)) {
$value = true;
} else if (self::isFalseWord($value)) {
$value = false;
} else if (self::isNullWord($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 $words The words to translate
* @access private
*/
private static function getTranslations(array $words) {
$result = array();
foreach ($words as $i) {
$result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i)));
}
return $result;
}
// LOADING FUNCTIONS
private function __load($input) {
private function _load($input) {
$Source = $this->loadFromSource($input);
return $this->loadWithSource($Source);
}
private function __loadString($input) {
private function _loadString($input) {
$Source = $this->loadFromString($input);
return $this->loadWithSource($Source);
}
......@@ -389,7 +484,7 @@ class Spyc {
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));
$array = syck_load (implode ("\n", $Source));
return is_array($array) ? $array : array();
}
......@@ -411,26 +506,24 @@ class Spyc {
if ($literalBlockStyle) {
$line = rtrim ($line, $literalBlockStyle . " \n");
$literalBlock = '';
$line .= $this->LiteralPlaceHolder;
$line .= ' '.$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);
$literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent);
}
$i--;
}
// Strip out comments
if (strpos ($line, '#')) {
$line = preg_replace('/\s*#([^"\']+)$/','',$line);
}
while (++$i < $cnt && self::greedilyNeedNextLine($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 ($literalBlockStyle)
......@@ -449,7 +542,7 @@ class Spyc {
private function loadFromSource ($input) {
if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
return file($input);
$input = file_get_contents($input);
return $this->loadFromString($input);
}
......@@ -471,8 +564,8 @@ class Spyc {
private function _parseLine($line) {
if (!$line) return array();
$line = trim($line);
if (!$line) return array();
$array = array();
$group = $this->nodeContainsGroup($line);
......@@ -505,7 +598,7 @@ class Spyc {
* @return mixed
*/
private function _toType($value) {
if ($value === '') return null;
if ($value === '') return "";
$first_character = $value[0];
$last_character = substr($value, -1, 1);
......@@ -517,10 +610,14 @@ class Spyc {
$is_quoted = true;
} while (0);
if ($is_quoted)
return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));
if ($is_quoted) {
$value = str_replace('\n', "\n", $value);
if ($first_character == "'")
return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\''));
return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\''));
}
if (strpos($value, ' #') !== false)
if (strpos($value, ' #') !== false && !$is_quoted)
$value = preg_replace('/\s+#(.+)$/','',$value);
if ($first_character == '[' && $last_character == ']') {
......@@ -568,26 +665,23 @@ class Spyc {
return null;
}
if (intval($first_character) > 0 && preg_match ('/^[1-9]+[0-9]*$/', $value)) {
if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
$intvalue = (int)$value;
if ($intvalue != PHP_INT_MAX)
if ($intvalue != PHP_INT_MAX && $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 ( is_string($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) {
// Hexadecimal value.
return hexdec($value);
}
if (in_array(strtolower($value),
array('false', 'off', '-', 'no', 'n'))) {
return false;
}
$this->coerceValue($value);
if (is_numeric($value)) {
if ($value === '0') return 0;
if (trim ($value, 0) === $value)
if (rtrim ($value, 0) === $value)
$value = (float)$value;
return $value;
}
......@@ -609,6 +703,15 @@ class Spyc {
$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
$regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
......@@ -618,6 +721,8 @@ class Spyc {
}
unset($regex);
// echo $inline;
$i = 0;
do {
......@@ -637,7 +742,8 @@ class Spyc {
} while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
$explode = explode(', ',$inline);
$explode = explode(',',$inline);
$explode = array_map('trim', $explode);
$stringi = 0; $i = 0;
while (1) {
......@@ -679,6 +785,17 @@ class Spyc {
}
}
// Re-add the empties
if (!empty($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) {
......@@ -690,6 +807,9 @@ class Spyc {
if (strpos($value,'YAMLString') !== false) {
$finished = false; break;
}
if (strpos($value,'YAMLEmpty') !== false) {
$finished = false; break;
}
}
if ($finished) break;
......@@ -698,6 +818,7 @@ class Spyc {
break; // Prevent infinite loops.
}
return $explode;
}
......@@ -772,6 +893,9 @@ class Spyc {
$_arr = array_merge ($_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); $key = 0; }
......@@ -820,8 +944,11 @@ class Spyc {
return false;
}
private function addLiteralLine ($literalBlock, $line, $literalBlockStyle) {
private function addLiteralLine ($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 . $line;
......@@ -889,8 +1016,8 @@ class Spyc {
private function isArrayElement ($line) {
if (!$line) return false;
if ($line[0] != '-') return false;
if (!$line || !is_scalar($line)) return false;
if (substr($line, 0, 2) != '- ') return false;
if (strlen ($line) > 3)
if (substr($line,0,3) == '---') return false;
......@@ -917,7 +1044,7 @@ class Spyc {
}
private function startsMappedSequence ($line) {
return ($line[0] == '-' && substr ($line, -1, 1) == ':');
return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':');
}
private function returnMappedSequence ($line) {
......@@ -928,7 +1055,16 @@ class Spyc {
return array($array);
}
private function checkKeysInValue($value) {
if (strchr('[{"\'', $value[0]) === false) {
if (strchr($value, ': ') !== false) {
throw new Exception('Too many keys: '.$value);
}
}
}
private function returnMappedValue ($line) {
$this->checkKeysInValue($line);
$array = array();
$key = self::unquote (trim(substr($line,0,-1)));
$array[$key] = '';
......@@ -950,7 +1086,7 @@ class Spyc {
private function returnKeyValuePair ($line) {
$array = array();
$key = '';
if (strpos ($line, ':')) {
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)) {
......@@ -958,10 +1094,10 @@ class Spyc {
$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));
$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);
......@@ -980,6 +1116,9 @@ class Spyc {
$array = array();
$value = trim(substr($line,1));
$value = $this->_toType($value);
if ($this->isArrayElement($value)) {
$value = $this->returnArrayElement($value);
}
$array[] = $value;
return $array;
}
......@@ -1007,18 +1146,16 @@ class Spyc {
$line = trim(str_replace($group, '', $line));
return $line;
}
}
}
// Enable use of Spyc from command line
// The syntax is the following: php spyc.php spyc.yaml
define ('SPYC_FROM_COMMAND_LINE', false);
// The syntax is the following: php Spyc.php spyc.yaml
do {
if (!SPYC_FROM_COMMAND_LINE) break;
if (PHP_SAPI != 'cli') break;
if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break;
if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) break;
$file = $argv[1];
printf ("Spyc loading file: %s\n", $file);
print_r (spyc_load_file ($file));
echo json_encode (spyc_load_file ($file));
} while (0);
\ No newline at end of file
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