spyc.php4
1023 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Spyc -- A Simple PHP YAML Class |
| 4 | * @version 0.4.5 |
| 5 | * @author Vlad Andersen <vlad.andersen@gmail.com> |
| 6 | * @author Chris Wanstrath <chris@ozmm.org> |
| 7 | * @link http://code.google.com/p/spyc/ |
| 8 | * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2009 Vlad Andersen |
| 9 | * @license http://www.opensource.org/licenses/mit-license.php MIT License |
| 10 | * @package Spyc |
| 11 | */ |
| 12 | |
| 13 | if (!function_exists('spyc_load')) { |
| 14 | /** |
| 15 | * Parses YAML to array. |
| 16 | * @param string $string YAML string. |
| 17 | * @return array |
| 18 | */ |
| 19 | function spyc_load ($string) { |
| 20 | return Spyc::YAMLLoadString($string); |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | if (!function_exists('spyc_load_file')) { |
| 25 | /** |
| 26 | * Parses YAML to array. |
| 27 | * @param string $file Path to YAML file. |
| 28 | * @return array |
| 29 | */ |
| 30 | function spyc_load_file ($file) { |
| 31 | return Spyc::YAMLLoad($file); |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * The Simple PHP YAML Class. |
| 37 | * |
| 38 | * This class can be used to read a YAML file and convert its contents |
| 39 | * into a PHP array. It currently supports a very limited subsection of |
| 40 | * the YAML spec. |
| 41 | * |
| 42 | * Usage: |
| 43 | * <code> |
| 44 | * $Spyc = new Spyc; |
| 45 | * $array = $Spyc->load($file); |
| 46 | * </code> |
| 47 | * or: |
| 48 | * <code> |
| 49 | * $array = Spyc::YAMLLoad($file); |
| 50 | * </code> |
| 51 | * or: |
| 52 | * <code> |
| 53 | * $array = spyc_load_file($file); |
| 54 | * </code> |
| 55 | * @package Spyc |
| 56 | */ |
| 57 | class Spyc { |
| 58 | |
| 59 | // SETTINGS |
| 60 | |
| 61 | /** |
| 62 | * Setting this to true will force YAMLDump to enclose any string value in |
| 63 | * quotes. False by default. |
| 64 | * |
| 65 | * @var bool |
| 66 | */ |
| 67 | var $setting_dump_force_quotes = false; |
| 68 | |
| 69 | /** |
| 70 | * Setting this to true will forse YAMLLoad to use syck_load function when |
| 71 | * possible. False by default. |
| 72 | * @var bool |
| 73 | */ |
| 74 | var $setting_use_syck_is_possible = false; |
| 75 | |
| 76 | |
| 77 | |
| 78 | /**#@+ |
| 79 | * @access private |
| 80 | * @var mixed |
| 81 | */ |
| 82 | var $_dumpIndent; |
| 83 | var $_dumpWordWrap; |
| 84 | var $_containsGroupAnchor = false; |
| 85 | var $_containsGroupAlias = false; |
| 86 | var $path; |
| 87 | var $result; |
| 88 | var $LiteralPlaceHolder = '___YAML_Literal_Block___'; |
| 89 | var $SavedGroups = array(); |
| 90 | var $indent; |
| 91 | /** |
| 92 | * Path modifier that should be applied after adding current element. |
| 93 | * @var array |
| 94 | */ |
| 95 | var $delayedPath = array(); |
| 96 | |
| 97 | /**#@+ |
| 98 | * @access public |
| 99 | * @var mixed |
| 100 | */ |
| 101 | var $_nodeId; |
| 102 | |
| 103 | /** |
| 104 | * Load a valid YAML string to Spyc. |
| 105 | * @param string $input |
| 106 | * @return array |
| 107 | */ |
| 108 | function load ($input) { |
| 109 | return $this->__loadString($input); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Load a valid YAML file to Spyc. |
| 114 | * @param string $file |
| 115 | * @return array |
| 116 | */ |
| 117 | function loadFile ($file) { |
| 118 | return $this->__load($file); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Load YAML into a PHP array statically |
| 123 | * |
| 124 | * The load method, when supplied with a YAML stream (string or file), |
| 125 | * will do its best to convert YAML in a file into a PHP array. Pretty |
| 126 | * simple. |
| 127 | * Usage: |
| 128 | * <code> |
| 129 | * $array = Spyc::YAMLLoad('lucky.yaml'); |
| 130 | * print_r($array); |
| 131 | * </code> |
| 132 | * @access public |
| 133 | * @return array |
| 134 | * @param string $input Path of YAML file or string containing YAML |
| 135 | */ |
| 136 | function YAMLLoad($input) { |
| 137 | $Spyc = new Spyc; |
| 138 | return $Spyc->__load($input); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Load a string of YAML into a PHP array statically |
| 143 | * |
| 144 | * The load method, when supplied with a YAML string, will do its best |
| 145 | * to convert YAML in a string into a PHP array. Pretty simple. |
| 146 | * |
| 147 | * Note: use this function if you don't want files from the file system |
| 148 | * loaded and processed as YAML. This is of interest to people concerned |
| 149 | * about security whose input is from a string. |
| 150 | * |
| 151 | * Usage: |
| 152 | * <code> |
| 153 | * $array = Spyc::YAMLLoadString("---\n0: hello world\n"); |
| 154 | * print_r($array); |
| 155 | * </code> |
| 156 | * @access public |
| 157 | * @return array |
| 158 | * @param string $input String containing YAML |
| 159 | */ |
| 160 | function YAMLLoadString($input) { |
| 161 | $Spyc = new Spyc; |
| 162 | return $Spyc->__loadString($input); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Dump YAML from PHP array statically |
| 167 | * |
| 168 | * The dump method, when supplied with an array, will do its best |
| 169 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
| 170 | * save the returned string as nothing.yaml and pass it around. |
| 171 | * |
| 172 | * Oh, and you can decide how big the indent is and what the wordwrap |
| 173 | * for folding is. Pretty cool -- just pass in 'false' for either if |
| 174 | * you want to use the default. |
| 175 | * |
| 176 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
| 177 | * you can turn off wordwrap by passing in 0. |
| 178 | * |
| 179 | * @access public |
| 180 | * @return string |
| 181 | * @param array $array PHP array |
| 182 | * @param int $indent Pass in false to use the default, which is 2 |
| 183 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
| 184 | */ |
| 185 | function YAMLDump($array,$indent = false,$wordwrap = false) { |
| 186 | $spyc = new Spyc; |
| 187 | return $spyc->dump($array,$indent,$wordwrap); |
| 188 | } |
| 189 | |
| 190 | |
| 191 | /** |
| 192 | * Dump PHP array to YAML |
| 193 | * |
| 194 | * The dump method, when supplied with an array, will do its best |
| 195 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
| 196 | * save the returned string as tasteful.yaml and pass it around. |
| 197 | * |
| 198 | * Oh, and you can decide how big the indent is and what the wordwrap |
| 199 | * for folding is. Pretty cool -- just pass in 'false' for either if |
| 200 | * you want to use the default. |
| 201 | * |
| 202 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
| 203 | * you can turn off wordwrap by passing in 0. |
| 204 | * |
| 205 | * @access public |
| 206 | * @return string |
| 207 | * @param array $array PHP array |
| 208 | * @param int $indent Pass in false to use the default, which is 2 |
| 209 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
| 210 | */ |
| 211 | function dump($array,$indent = false,$wordwrap = false) { |
| 212 | // Dumps to some very clean YAML. We'll have to add some more features |
| 213 | // and options soon. And better support for folding. |
| 214 | |
| 215 | // New features and options. |
| 216 | if ($indent === false or !is_numeric($indent)) { |
| 217 | $this->_dumpIndent = 2; |
| 218 | } else { |
| 219 | $this->_dumpIndent = $indent; |
| 220 | } |
| 221 | |
| 222 | if ($wordwrap === false or !is_numeric($wordwrap)) { |
| 223 | $this->_dumpWordWrap = 40; |
| 224 | } else { |
| 225 | $this->_dumpWordWrap = $wordwrap; |
| 226 | } |
| 227 | |
| 228 | // New YAML document |
| 229 | $string = "---\n"; |
| 230 | |
| 231 | // Start at the base of the array and move through it. |
| 232 | if ($array) { |
| 233 | $array = (array)$array; |
| 234 | $first_key = key($array); |
| 235 | |
| 236 | $previous_key = -1; |
| 237 | foreach ($array as $key => $value) { |
| 238 | $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key); |
| 239 | $previous_key = $key; |
| 240 | } |
| 241 | } |
| 242 | return $string; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Attempts to convert a key / value array item to YAML |
| 247 | * @access private |
| 248 | * @return string |
| 249 | * @param $key The name of the key |
| 250 | * @param $value The value of the item |
| 251 | * @param $indent The indent of the current node |
| 252 | */ |
| 253 | function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0) { |
| 254 | if (is_array($value)) { |
| 255 | if (empty ($value)) |
| 256 | return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key); |
| 257 | // It has children. What to do? |
| 258 | // Make it the right kind of item |
| 259 | $string = $this->_dumpNode($key, NULL, $indent, $previous_key, $first_key); |
| 260 | // Add the indent |
| 261 | $indent += $this->_dumpIndent; |
| 262 | // Yamlize the array |
| 263 | $string .= $this->_yamlizeArray($value,$indent); |
| 264 | } elseif (!is_array($value)) { |
| 265 | // It doesn't have children. Yip. |
| 266 | $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key); |
| 267 | } |
| 268 | return $string; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Attempts to convert an array to YAML |
| 273 | * @access private |
| 274 | * @return string |
| 275 | * @param $array The array you want to convert |
| 276 | * @param $indent The indent of the current level |
| 277 | */ |
| 278 | function _yamlizeArray($array,$indent) { |
| 279 | if (is_array($array)) { |
| 280 | $string = ''; |
| 281 | $previous_key = -1; |
| 282 | $first_key = key($array); |
| 283 | foreach ($array as $key => $value) { |
| 284 | $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key); |
| 285 | $previous_key = $key; |
| 286 | } |
| 287 | return $string; |
| 288 | } else { |
| 289 | return false; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Returns YAML from a key and a value |
| 295 | * @access private |
| 296 | * @return string |
| 297 | * @param $key The name of the key |
| 298 | * @param $value The value of the item |
| 299 | * @param $indent The indent of the current node |
| 300 | */ |
| 301 | function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0) { |
| 302 | // do some folding here, for blocks |
| 303 | if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false || |
| 304 | strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || |
| 305 | strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || substr ($value, -1, 1) == ':')) { |
| 306 | $value = $this->_doLiteralBlock($value,$indent); |
| 307 | } else { |
| 308 | $value = $this->_doFolding($value,$indent); |
| 309 | if (is_bool($value)) { |
| 310 | $value = ($value) ? "true" : "false"; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | if ($value === array()) $value = '[ ]'; |
| 315 | |
| 316 | $spaces = str_repeat(' ',$indent); |
| 317 | |
| 318 | if (is_int($key) && $key - 1 == $previous_key && $first_key===0) { |
| 319 | // It's a sequence |
| 320 | $string = $spaces.'- '.$value."\n"; |
| 321 | } else { |
| 322 | if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"'); |
| 323 | // It's mapped |
| 324 | if (strpos($key, ":") !== false) { $key = '"' . $key . '"'; } |
| 325 | $string = $spaces.$key.': '.$value."\n"; |
| 326 | } |
| 327 | return $string; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Creates a literal block for dumping |
| 332 | * @access private |
| 333 | * @return string |
| 334 | * @param $value |
| 335 | * @param $indent int The value of the indent |
| 336 | */ |
| 337 | function _doLiteralBlock($value,$indent) { |
| 338 | if (strpos($value, "\n") === false && strpos($value, "'") === false) { |
| 339 | return sprintf ("'%s'", $value); |
| 340 | } |
| 341 | if (strpos($value, "\n") === false && strpos($value, '"') === false) { |
| 342 | return sprintf ('"%s"', $value); |
| 343 | } |
| 344 | $exploded = explode("\n",$value); |
| 345 | $newValue = '|'; |
| 346 | $indent += $this->_dumpIndent; |
| 347 | $spaces = str_repeat(' ',$indent); |
| 348 | foreach ($exploded as $line) { |
| 349 | $newValue .= "\n" . $spaces . trim($line); |
| 350 | } |
| 351 | return $newValue; |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Folds a string of text, if necessary |
| 356 | * @access private |
| 357 | * @return string |
| 358 | * @param $value The string you wish to fold |
| 359 | */ |
| 360 | function _doFolding($value,$indent) { |
| 361 | // Don't do anything if wordwrap is set to 0 |
| 362 | |
| 363 | if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) { |
| 364 | $indent += $this->_dumpIndent; |
| 365 | $indent = str_repeat(' ',$indent); |
| 366 | $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent"); |
| 367 | $value = ">\n".$indent.$wrapped; |
| 368 | } else { |
| 369 | if ($this->setting_dump_force_quotes && is_string ($value)) |
| 370 | $value = '"' . $value . '"'; |
| 371 | } |
| 372 | |
| 373 | |
| 374 | return $value; |
| 375 | } |
| 376 | |
| 377 | // LOADING FUNCTIONS |
| 378 | |
| 379 | function __load($input) { |
| 380 | $Source = $this->loadFromSource($input); |
| 381 | return $this->loadWithSource($Source); |
| 382 | } |
| 383 | |
| 384 | function __loadString($input) { |
| 385 | $Source = $this->loadFromString($input); |
| 386 | return $this->loadWithSource($Source); |
| 387 | } |
| 388 | |
| 389 | function loadWithSource($Source) { |
| 390 | if (empty ($Source)) return array(); |
| 391 | if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) { |
| 392 | $array = syck_load (implode ('', $Source)); |
| 393 | return is_array($array) ? $array : array(); |
| 394 | } |
| 395 | |
| 396 | $this->path = array(); |
| 397 | $this->result = array(); |
| 398 | |
| 399 | $cnt = count($Source); |
| 400 | for ($i = 0; $i < $cnt; $i++) { |
| 401 | $line = $Source[$i]; |
| 402 | |
| 403 | $this->indent = strlen($line) - strlen(ltrim($line)); |
| 404 | $tempPath = $this->getParentPathByIndent($this->indent); |
| 405 | $line = $this->stripIndent($line, $this->indent); |
| 406 | if ($this->isComment($line)) continue; |
| 407 | if ($this->isEmpty($line)) continue; |
| 408 | $this->path = $tempPath; |
| 409 | |
| 410 | $literalBlockStyle = $this->startsLiteralBlock($line); |
| 411 | if ($literalBlockStyle) { |
| 412 | $line = rtrim ($line, $literalBlockStyle . " \n"); |
| 413 | $literalBlock = ''; |
| 414 | $line .= $this->LiteralPlaceHolder; |
| 415 | |
| 416 | while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) { |
| 417 | $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle); |
| 418 | } |
| 419 | $i--; |
| 420 | } |
| 421 | |
| 422 | while (++$i < $cnt && $this->greedilyNeedNextLine($line)) { |
| 423 | $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t"); |
| 424 | } |
| 425 | $i--; |
| 426 | |
| 427 | |
| 428 | |
| 429 | if (strpos ($line, '#')) { |
| 430 | if (strpos ($line, '"') === false && strpos ($line, "'") === false) |
| 431 | $line = preg_replace('/\s+#(.+)$/','',$line); |
| 432 | } |
| 433 | |
| 434 | $lineArray = $this->_parseLine($line); |
| 435 | |
| 436 | if ($literalBlockStyle) |
| 437 | $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock); |
| 438 | |
| 439 | $this->addArray($lineArray, $this->indent); |
| 440 | |
| 441 | foreach ($this->delayedPath as $indent => $delayedPath) |
| 442 | $this->path[$indent] = $delayedPath; |
| 443 | |
| 444 | $this->delayedPath = array(); |
| 445 | |
| 446 | } |
| 447 | return $this->result; |
| 448 | } |
| 449 | |
| 450 | function loadFromSource ($input) { |
| 451 | if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) |
| 452 | return file($input); |
| 453 | |
| 454 | return $this->loadFromString($input); |
| 455 | } |
| 456 | |
| 457 | function loadFromString ($input) { |
| 458 | $lines = explode("\n",$input); |
| 459 | foreach ($lines as $k => $_) { |
| 460 | $lines[$k] = rtrim ($_, "\r"); |
| 461 | } |
| 462 | return $lines; |
| 463 | } |
| 464 | |
| 465 | /** |
| 466 | * Parses YAML code and returns an array for a node |
| 467 | * @access private |
| 468 | * @return array |
| 469 | * @param string $line A line from the YAML file |
| 470 | */ |
| 471 | function _parseLine($line) { |
| 472 | if (!$line) return array(); |
| 473 | $line = trim($line); |
| 474 | |
| 475 | if (!$line) return array(); |
| 476 | $array = array(); |
| 477 | |
| 478 | $group = $this->nodeContainsGroup($line); |
| 479 | if ($group) { |
| 480 | $this->addGroup($line, $group); |
| 481 | $line = $this->stripGroup ($line, $group); |
| 482 | } |
| 483 | |
| 484 | if ($this->startsMappedSequence($line)) |
| 485 | return $this->returnMappedSequence($line); |
| 486 | |
| 487 | if ($this->startsMappedValue($line)) |
| 488 | return $this->returnMappedValue($line); |
| 489 | |
| 490 | if ($this->isArrayElement($line)) |
| 491 | return $this->returnArrayElement($line); |
| 492 | |
| 493 | if ($this->isPlainArray($line)) |
| 494 | return $this->returnPlainArray($line); |
| 495 | |
| 496 | |
| 497 | return $this->returnKeyValuePair($line); |
| 498 | |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * Finds the type of the passed value, returns the value as the new type. |
| 503 | * @access private |
| 504 | * @param string $value |
| 505 | * @return mixed |
| 506 | */ |
| 507 | function _toType($value) { |
| 508 | if ($value === '') return null; |
| 509 | $first_character = $value[0]; |
| 510 | $last_character = substr($value, -1, 1); |
| 511 | |
| 512 | $is_quoted = false; |
| 513 | do { |
| 514 | if (!$value) break; |
| 515 | if ($first_character != '"' && $first_character != "'") break; |
| 516 | if ($last_character != '"' && $last_character != "'") break; |
| 517 | $is_quoted = true; |
| 518 | } while (0); |
| 519 | |
| 520 | if ($is_quoted) |
| 521 | return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\'')); |
| 522 | |
| 523 | if (strpos($value, ' #') !== false) |
| 524 | $value = preg_replace('/\s+#(.+)$/','',$value); |
| 525 | |
| 526 | if ($first_character == '[' && $last_character == ']') { |
| 527 | // Take out strings sequences and mappings |
| 528 | $innerValue = trim(substr ($value, 1, -1)); |
| 529 | if ($innerValue === '') return array(); |
| 530 | $explode = $this->_inlineEscape($innerValue); |
| 531 | // Propagate value array |
| 532 | $value = array(); |
| 533 | foreach ($explode as $v) { |
| 534 | $value[] = $this->_toType($v); |
| 535 | } |
| 536 | return $value; |
| 537 | } |
| 538 | |
| 539 | if (strpos($value,': ')!==false && $first_character != '{') { |
| 540 | $array = explode(': ',$value); |
| 541 | $key = trim($array[0]); |
| 542 | array_shift($array); |
| 543 | $value = trim(implode(': ',$array)); |
| 544 | $value = $this->_toType($value); |
| 545 | return array($key => $value); |
| 546 | } |
| 547 | |
| 548 | if ($first_character == '{' && $last_character == '}') { |
| 549 | $innerValue = trim(substr ($value, 1, -1)); |
| 550 | if ($innerValue === '') return array(); |
| 551 | // Inline Mapping |
| 552 | // Take out strings sequences and mappings |
| 553 | $explode = $this->_inlineEscape($innerValue); |
| 554 | // Propagate value array |
| 555 | $array = array(); |
| 556 | foreach ($explode as $v) { |
| 557 | $SubArr = $this->_toType($v); |
| 558 | if (empty($SubArr)) continue; |
| 559 | if (is_array ($SubArr)) { |
| 560 | $array[key($SubArr)] = $SubArr[key($SubArr)]; continue; |
| 561 | } |
| 562 | $array[] = $SubArr; |
| 563 | } |
| 564 | return $array; |
| 565 | } |
| 566 | |
| 567 | if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') { |
| 568 | return null; |
| 569 | } |
| 570 | |
| 571 | if (intval($first_character) > 0 && preg_match ('/^[1-9]+[0-9]*$/', $value)) { |
| 572 | $intvalue = (int)$value; |
| 573 | if ($intvalue != PHP_INT_MAX) |
| 574 | $value = $intvalue; |
| 575 | return $value; |
| 576 | } |
| 577 | |
| 578 | if (in_array($value, |
| 579 | array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) { |
| 580 | return true; |
| 581 | } |
| 582 | |
| 583 | if (in_array(strtolower($value), |
| 584 | array('false', 'off', '-', 'no', 'n'))) { |
| 585 | return false; |
| 586 | } |
| 587 | |
| 588 | if (is_numeric($value)) { |
| 589 | if ($value === '0') return 0; |
| 590 | if (trim ($value, 0) === $value) |
| 591 | $value = (float)$value; |
| 592 | return $value; |
| 593 | } |
| 594 | |
| 595 | return $value; |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * Used in inlines to check for more inlines or quoted strings |
| 600 | * @access private |
| 601 | * @return array |
| 602 | */ |
| 603 | function _inlineEscape($inline) { |
| 604 | // There's gotta be a cleaner way to do this... |
| 605 | // While pure sequences seem to be nesting just fine, |
| 606 | // pure mappings and mappings with sequences inside can't go very |
| 607 | // deep. This needs to be fixed. |
| 608 | |
| 609 | $seqs = array(); |
| 610 | $maps = array(); |
| 611 | $saved_strings = array(); |
| 612 | |
| 613 | // Check for strings |
| 614 | $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/'; |
| 615 | if (preg_match_all($regex,$inline,$strings)) { |
| 616 | $saved_strings = $strings[0]; |
| 617 | $inline = preg_replace($regex,'YAMLString',$inline); |
| 618 | } |
| 619 | unset($regex); |
| 620 | |
| 621 | $i = 0; |
| 622 | do { |
| 623 | |
| 624 | // Check for sequences |
| 625 | while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) { |
| 626 | $seqs[] = $matchseqs[0]; |
| 627 | $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1); |
| 628 | } |
| 629 | |
| 630 | // Check for mappings |
| 631 | while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) { |
| 632 | $maps[] = $matchmaps[0]; |
| 633 | $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1); |
| 634 | } |
| 635 | |
| 636 | if ($i++ >= 10) break; |
| 637 | |
| 638 | } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false); |
| 639 | |
| 640 | $explode = explode(', ',$inline); |
| 641 | $stringi = 0; $i = 0; |
| 642 | |
| 643 | while (1) { |
| 644 | |
| 645 | // Re-add the sequences |
| 646 | if (!empty($seqs)) { |
| 647 | foreach ($explode as $key => $value) { |
| 648 | if (strpos($value,'YAMLSeq') !== false) { |
| 649 | foreach ($seqs as $seqk => $seq) { |
| 650 | $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value); |
| 651 | $value = $explode[$key]; |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | // Re-add the mappings |
| 658 | if (!empty($maps)) { |
| 659 | foreach ($explode as $key => $value) { |
| 660 | if (strpos($value,'YAMLMap') !== false) { |
| 661 | foreach ($maps as $mapk => $map) { |
| 662 | $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value); |
| 663 | $value = $explode[$key]; |
| 664 | } |
| 665 | } |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | |
| 670 | // Re-add the strings |
| 671 | if (!empty($saved_strings)) { |
| 672 | foreach ($explode as $key => $value) { |
| 673 | while (strpos($value,'YAMLString') !== false) { |
| 674 | $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1); |
| 675 | unset($saved_strings[$stringi]); |
| 676 | ++$stringi; |
| 677 | $value = $explode[$key]; |
| 678 | } |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | $finished = true; |
| 683 | foreach ($explode as $key => $value) { |
| 684 | if (strpos($value,'YAMLSeq') !== false) { |
| 685 | $finished = false; break; |
| 686 | } |
| 687 | if (strpos($value,'YAMLMap') !== false) { |
| 688 | $finished = false; break; |
| 689 | } |
| 690 | if (strpos($value,'YAMLString') !== false) { |
| 691 | $finished = false; break; |
| 692 | } |
| 693 | } |
| 694 | if ($finished) break; |
| 695 | |
| 696 | $i++; |
| 697 | if ($i > 10) |
| 698 | break; // Prevent infinite loops. |
| 699 | } |
| 700 | |
| 701 | return $explode; |
| 702 | } |
| 703 | |
| 704 | function literalBlockContinues ($line, $lineIndent) { |
| 705 | if (!trim($line)) return true; |
| 706 | if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true; |
| 707 | return false; |
| 708 | } |
| 709 | |
| 710 | function referenceContentsByAlias ($alias) { |
| 711 | do { |
| 712 | if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; } |
| 713 | $groupPath = $this->SavedGroups[$alias]; |
| 714 | $value = $this->result; |
| 715 | foreach ($groupPath as $k) { |
| 716 | $value = $value[$k]; |
| 717 | } |
| 718 | } while (false); |
| 719 | return $value; |
| 720 | } |
| 721 | |
| 722 | function addArrayInline ($array, $indent) { |
| 723 | $CommonGroupPath = $this->path; |
| 724 | if (empty ($array)) return false; |
| 725 | |
| 726 | foreach ($array as $k => $_) { |
| 727 | $this->addArray(array($k => $_), $indent); |
| 728 | $this->path = $CommonGroupPath; |
| 729 | } |
| 730 | return true; |
| 731 | } |
| 732 | |
| 733 | function addArray ($incoming_data, $incoming_indent) { |
| 734 | |
| 735 | // print_r ($incoming_data); |
| 736 | |
| 737 | if (count ($incoming_data) > 1) |
| 738 | return $this->addArrayInline ($incoming_data, $incoming_indent); |
| 739 | |
| 740 | $key = key ($incoming_data); |
| 741 | $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null; |
| 742 | if ($key === '__!YAMLZero') $key = '0'; |
| 743 | |
| 744 | if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values. |
| 745 | if ($key || $key === '' || $key === '0') { |
| 746 | $this->result[$key] = $value; |
| 747 | } else { |
| 748 | $this->result[] = $value; end ($this->result); $key = key ($this->result); |
| 749 | } |
| 750 | $this->path[$incoming_indent] = $key; |
| 751 | return; |
| 752 | } |
| 753 | |
| 754 | |
| 755 | |
| 756 | $history = array(); |
| 757 | // Unfolding inner array tree. |
| 758 | $history[] = $_arr = $this->result; |
| 759 | foreach ($this->path as $k) { |
| 760 | $history[] = $_arr = $_arr[$k]; |
| 761 | } |
| 762 | |
| 763 | if ($this->_containsGroupAlias) { |
| 764 | $value = $this->referenceContentsByAlias($this->_containsGroupAlias); |
| 765 | $this->_containsGroupAlias = false; |
| 766 | } |
| 767 | |
| 768 | |
| 769 | // Adding string or numeric key to the innermost level or $this->arr. |
| 770 | if (is_string($key) && $key == '<<') { |
| 771 | if (!is_array ($_arr)) { $_arr = array (); } |
| 772 | $_arr = array_merge ($_arr, $value); |
| 773 | } else if ($key || $key === '' || $key === '0') { |
| 774 | $_arr[$key] = $value; |
| 775 | } else { |
| 776 | if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } |
| 777 | else { $_arr[] = $value; end ($_arr); $key = key ($_arr); } |
| 778 | } |
| 779 | |
| 780 | $reverse_path = array_reverse($this->path); |
| 781 | $reverse_history = array_reverse ($history); |
| 782 | $reverse_history[0] = $_arr; |
| 783 | $cnt = count($reverse_history) - 1; |
| 784 | for ($i = 0; $i < $cnt; $i++) { |
| 785 | $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i]; |
| 786 | } |
| 787 | $this->result = $reverse_history[$cnt]; |
| 788 | |
| 789 | $this->path[$incoming_indent] = $key; |
| 790 | |
| 791 | if ($this->_containsGroupAnchor) { |
| 792 | $this->SavedGroups[$this->_containsGroupAnchor] = $this->path; |
| 793 | if (is_array ($value)) { |
| 794 | $k = key ($value); |
| 795 | if (!is_int ($k)) { |
| 796 | $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k; |
| 797 | } |
| 798 | } |
| 799 | $this->_containsGroupAnchor = false; |
| 800 | } |
| 801 | |
| 802 | } |
| 803 | |
| 804 | function startsLiteralBlock ($line) { |
| 805 | $lastChar = substr (trim($line), -1); |
| 806 | if ($lastChar != '>' && $lastChar != '|') return false; |
| 807 | if ($lastChar == '|') return $lastChar; |
| 808 | // HTML tags should not be counted as literal blocks. |
| 809 | if (preg_match ('#<.*?>$#', $line)) return false; |
| 810 | return $lastChar; |
| 811 | } |
| 812 | |
| 813 | function greedilyNeedNextLine($line) { |
| 814 | $line = trim ($line); |
| 815 | if (!strlen($line)) return false; |
| 816 | if (substr ($line, -1, 1) == ']') return false; |
| 817 | if ($line[0] == '[') return true; |
| 818 | if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true; |
| 819 | return false; |
| 820 | } |
| 821 | |
| 822 | function addLiteralLine ($literalBlock, $line, $literalBlockStyle) { |
| 823 | $line = $this->stripIndent($line); |
| 824 | $line = rtrim ($line, "\r\n\t ") . "\n"; |
| 825 | if ($literalBlockStyle == '|') { |
| 826 | return $literalBlock . $line; |
| 827 | } |
| 828 | if (strlen($line) == 0) |
| 829 | return rtrim($literalBlock, ' ') . "\n"; |
| 830 | if ($line == "\n" && $literalBlockStyle == '>') { |
| 831 | return rtrim ($literalBlock, " \t") . "\n"; |
| 832 | } |
| 833 | if ($line != "\n") |
| 834 | $line = trim ($line, "\r\n ") . " "; |
| 835 | return $literalBlock . $line; |
| 836 | } |
| 837 | |
| 838 | function revertLiteralPlaceHolder ($lineArray, $literalBlock) { |
| 839 | foreach ($lineArray as $k => $_) { |
| 840 | if (is_array($_)) |
| 841 | $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock); |
| 842 | else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) |
| 843 | $lineArray[$k] = rtrim ($literalBlock, " \r\n"); |
| 844 | } |
| 845 | return $lineArray; |
| 846 | } |
| 847 | |
| 848 | function stripIndent ($line, $indent = -1) { |
| 849 | if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line)); |
| 850 | return substr ($line, $indent); |
| 851 | } |
| 852 | |
| 853 | function getParentPathByIndent ($indent) { |
| 854 | if ($indent == 0) return array(); |
| 855 | $linePath = $this->path; |
| 856 | do { |
| 857 | end($linePath); $lastIndentInParentPath = key($linePath); |
| 858 | if ($indent <= $lastIndentInParentPath) array_pop ($linePath); |
| 859 | } while ($indent <= $lastIndentInParentPath); |
| 860 | return $linePath; |
| 861 | } |
| 862 | |
| 863 | |
| 864 | function clearBiggerPathValues ($indent) { |
| 865 | |
| 866 | |
| 867 | if ($indent == 0) $this->path = array(); |
| 868 | if (empty ($this->path)) return true; |
| 869 | |
| 870 | foreach ($this->path as $k => $_) { |
| 871 | if ($k > $indent) unset ($this->path[$k]); |
| 872 | } |
| 873 | |
| 874 | return true; |
| 875 | } |
| 876 | |
| 877 | |
| 878 | function isComment ($line) { |
| 879 | if (!$line) return false; |
| 880 | if ($line[0] == '#') return true; |
| 881 | if (trim($line, " \r\n\t") == '---') return true; |
| 882 | return false; |
| 883 | } |
| 884 | |
| 885 | function isEmpty ($line) { |
| 886 | return (trim ($line) === ''); |
| 887 | } |
| 888 | |
| 889 | |
| 890 | function isArrayElement ($line) { |
| 891 | if (!$line) return false; |
| 892 | if ($line[0] != '-') return false; |
| 893 | if (strlen ($line) > 3) |
| 894 | if (substr($line,0,3) == '---') return false; |
| 895 | |
| 896 | return true; |
| 897 | } |
| 898 | |
| 899 | function isHashElement ($line) { |
| 900 | return strpos($line, ':'); |
| 901 | } |
| 902 | |
| 903 | function isLiteral ($line) { |
| 904 | if ($this->isArrayElement($line)) return false; |
| 905 | if ($this->isHashElement($line)) return false; |
| 906 | return true; |
| 907 | } |
| 908 | |
| 909 | |
| 910 | function unquote ($value) { |
| 911 | if (!$value) return $value; |
| 912 | if (!is_string($value)) return $value; |
| 913 | if ($value[0] == '\'') return trim ($value, '\''); |
| 914 | if ($value[0] == '"') return trim ($value, '"'); |
| 915 | return $value; |
| 916 | } |
| 917 | |
| 918 | function startsMappedSequence ($line) { |
| 919 | return ($line[0] == '-' && substr ($line, -1, 1) == ':'); |
| 920 | } |
| 921 | |
| 922 | function returnMappedSequence ($line) { |
| 923 | $array = array(); |
| 924 | $key = $this->unquote(trim(substr($line,1,-1))); |
| 925 | $array[$key] = array(); |
| 926 | $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key); |
| 927 | return array($array); |
| 928 | } |
| 929 | |
| 930 | function returnMappedValue ($line) { |
| 931 | $array = array(); |
| 932 | $key = $this->unquote (trim(substr($line,0,-1))); |
| 933 | $array[$key] = ''; |
| 934 | return $array; |
| 935 | } |
| 936 | |
| 937 | function startsMappedValue ($line) { |
| 938 | return (substr ($line, -1, 1) == ':'); |
| 939 | } |
| 940 | |
| 941 | function isPlainArray ($line) { |
| 942 | return ($line[0] == '[' && substr ($line, -1, 1) == ']'); |
| 943 | } |
| 944 | |
| 945 | function returnPlainArray ($line) { |
| 946 | return $this->_toType($line); |
| 947 | } |
| 948 | |
| 949 | function returnKeyValuePair ($line) { |
| 950 | $array = array(); |
| 951 | $key = ''; |
| 952 | if (strpos ($line, ':')) { |
| 953 | // It's a key/value pair most likely |
| 954 | // If the key is in double quotes pull it out |
| 955 | if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) { |
| 956 | $value = trim(str_replace($matches[1],'',$line)); |
| 957 | $key = $matches[2]; |
| 958 | } else { |
| 959 | // Do some guesswork as to the key and the value |
| 960 | $explode = explode(':',$line); |
| 961 | $key = trim($explode[0]); |
| 962 | array_shift($explode); |
| 963 | $value = trim(implode(':',$explode)); |
| 964 | } |
| 965 | // Set the type of the value. Int, string, etc |
| 966 | $value = $this->_toType($value); |
| 967 | if ($key === '0') $key = '__!YAMLZero'; |
| 968 | $array[$key] = $value; |
| 969 | } else { |
| 970 | $array = array ($line); |
| 971 | } |
| 972 | return $array; |
| 973 | |
| 974 | } |
| 975 | |
| 976 | |
| 977 | function returnArrayElement ($line) { |
| 978 | if (strlen($line) <= 1) return array(array()); // Weird %) |
| 979 | $array = array(); |
| 980 | $value = trim(substr($line,1)); |
| 981 | $value = $this->_toType($value); |
| 982 | $array[] = $value; |
| 983 | return $array; |
| 984 | } |
| 985 | |
| 986 | |
| 987 | function nodeContainsGroup ($line) { |
| 988 | $symbolsForReference = 'A-z0-9_\-'; |
| 989 | if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-) |
| 990 | if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
| 991 | if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
| 992 | if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1]; |
| 993 | if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1]; |
| 994 | if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1]; |
| 995 | return false; |
| 996 | |
| 997 | } |
| 998 | |
| 999 | function addGroup ($line, $group) { |
| 1000 | if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1); |
| 1001 | if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1); |
| 1002 | //print_r ($this->path); |
| 1003 | } |
| 1004 | |
| 1005 | function stripGroup ($line, $group) { |
| 1006 | $line = trim(str_replace($group, '', $line)); |
| 1007 | return $line; |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | // Enable use of Spyc from command line |
| 1012 | // The syntax is the following: php spyc.php spyc.yaml |
| 1013 | |
| 1014 | define ('SPYC_FROM_COMMAND_LINE', false); |
| 1015 | |
| 1016 | do { |
| 1017 | if (!SPYC_FROM_COMMAND_LINE) break; |
| 1018 | if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break; |
| 1019 | if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break; |
| 1020 | $file = $argv[1]; |
| 1021 | printf ("Spyc loading file: %s\n", $file); |
| 1022 | print_r (spyc_load_file ($file)); |
| 1023 | } while (0); |