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44 | * $Spyc = new Spyc;
45 | * $array = $Spyc->load($file);
46 | *
47 | * or:
48 | *
49 | * $array = Spyc::YAMLLoad($file);
50 | *
51 | * or:
52 | *
53 | * $array = spyc_load_file($file);
54 | *
55 | * @package Spyc
56 | */
57 | class Spyc {
58 |
59 | // SETTINGS
60 |
61 | const REMPTY = "\0\0\0\0\0";
62 |
63 | /**
64 | * Setting this to true will force YAMLDump to enclose any string value in
65 | * quotes. False by default.
66 | *
67 | * @var bool
68 | */
69 | public $setting_dump_force_quotes = false;
70 |
71 | /**
72 | * Setting this to true will forse YAMLLoad to use syck_load function when
73 | * possible. False by default.
74 | * @var bool
75 | */
76 | public $setting_use_syck_is_possible = false;
77 |
78 |
79 |
80 | /**#@+
81 | * @access private
82 | * @var mixed
83 | */
84 | private $_dumpIndent;
85 | private $_dumpWordWrap;
86 | private $_containsGroupAnchor = false;
87 | private $_containsGroupAlias = false;
88 | private $path;
89 | private $result;
90 | private $LiteralPlaceHolder = '___YAML_Literal_Block___';
91 | private $SavedGroups = array();
92 | private $indent;
93 | /**
94 | * Path modifier that should be applied after adding current element.
95 | * @var array
96 | */
97 | private $delayedPath = array();
98 |
99 | /**#@+
100 | * @access public
101 | * @var mixed
102 | */
103 | public $_nodeId;
104 |
105 | /**
106 | * Load a valid YAML string to Spyc.
107 | * @param string $input
108 | * @return array
109 | */
110 | public function load ($input) {
111 | return $this->__loadString($input);
112 | }
113 |
114 | /**
115 | * Load a valid YAML file to Spyc.
116 | * @param string $file
117 | * @return array
118 | */
119 | public function loadFile ($file) {
120 | return $this->__load($file);
121 | }
122 |
123 | /**
124 | * Load YAML into a PHP array statically
125 | *
126 | * The load method, when supplied with a YAML stream (string or file),
127 | * will do its best to convert YAML in a file into a PHP array. Pretty
128 | * simple.
129 | * Usage:
130 | *
131 | * $array = Spyc::YAMLLoad('lucky.yaml');
132 | * print_r($array);
133 | *
134 | * @access public
135 | * @return array
136 | * @param string $input Path of YAML file or string containing YAML
137 | */
138 | public static function YAMLLoad($input) {
139 | $Spyc = new Spyc;
140 | return $Spyc->__load($input);
141 | }
142 |
143 | /**
144 | * Load a string of YAML into a PHP array statically
145 | *
146 | * The load method, when supplied with a YAML string, will do its best
147 | * to convert YAML in a string into a PHP array. Pretty simple.
148 | *
149 | * Note: use this function if you don't want files from the file system
150 | * loaded and processed as YAML. This is of interest to people concerned
151 | * about security whose input is from a string.
152 | *
153 | * Usage:
154 | *
155 | * $array = Spyc::YAMLLoadString("---\n0: hello world\n");
156 | * print_r($array);
157 | *
158 | * @access public
159 | * @return array
160 | * @param string $input String containing YAML
161 | */
162 | public static function YAMLLoadString($input) {
163 | $Spyc = new Spyc;
164 | return $Spyc->__loadString($input);
165 | }
166 |
167 | /**
168 | * Dump YAML from PHP array statically
169 | *
170 | * The dump method, when supplied with an array, will do its best
171 | * to convert the array into friendly YAML. Pretty simple. Feel free to
172 | * save the returned string as nothing.yaml and pass it around.
173 | *
174 | * Oh, and you can decide how big the indent is and what the wordwrap
175 | * for folding is. Pretty cool -- just pass in 'false' for either if
176 | * you want to use the default.
177 | *
178 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And
179 | * you can turn off wordwrap by passing in 0.
180 | *
181 | * @access public
182 | * @return string
183 | * @param array $array PHP array
184 | * @param int $indent Pass in false to use the default, which is 2
185 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
186 | */
187 | public static function YAMLDump($array,$indent = false,$wordwrap = false) {
188 | $spyc = new Spyc;
189 | return $spyc->dump($array,$indent,$wordwrap);
190 | }
191 |
192 |
193 | /**
194 | * Dump PHP array to YAML
195 | *
196 | * The dump method, when supplied with an array, will do its best
197 | * to convert the array into friendly YAML. Pretty simple. Feel free to
198 | * save the returned string as tasteful.yaml and pass it around.
199 | *
200 | * Oh, and you can decide how big the indent is and what the wordwrap
201 | * for folding is. Pretty cool -- just pass in 'false' for either if
202 | * you want to use the default.
203 | *
204 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And
205 | * you can turn off wordwrap by passing in 0.
206 | *
207 | * @access public
208 | * @return string
209 | * @param array $array PHP array
210 | * @param int $indent Pass in false to use the default, which is 2
211 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
212 | */
213 | public function dump($array,$indent = false,$wordwrap = false) {
214 | // Dumps to some very clean YAML. We'll have to add some more features
215 | // and options soon. And better support for folding.
216 |
217 | // New features and options.
218 | if ($indent === false or !is_numeric($indent)) {
219 | $this->_dumpIndent = 2;
220 | } else {
221 | $this->_dumpIndent = $indent;
222 | }
223 |
224 | if ($wordwrap === false or !is_numeric($wordwrap)) {
225 | $this->_dumpWordWrap = 40;
226 | } else {
227 | $this->_dumpWordWrap = $wordwrap;
228 | }
229 |
230 | // New YAML document
231 | $string = "---\n";
232 |
233 | // Start at the base of the array and move through it.
234 | if ($array) {
235 | $array = (array)$array;
236 | $previous_key = -1;
237 | foreach ($array as $key => $value) {
238 | if (!isset($first_key)) $first_key = $key;
239 | $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
240 | $previous_key = $key;
241 | }
242 | }
243 | return $string;
244 | }
245 |
246 | /**
247 | * Attempts to convert a key / value array item to YAML
248 | * @access private
249 | * @return string
250 | * @param $key The name of the key
251 | * @param $value The value of the item
252 | * @param $indent The indent of the current node
253 | */
254 | private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) {
255 | if (is_array($value)) {
256 | if (empty ($value))
257 | return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
258 | // It has children. What to do?
259 | // Make it the right kind of item
260 | $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array);
261 | // Add the indent
262 | $indent += $this->_dumpIndent;
263 | // Yamlize the array
264 | $string .= $this->_yamlizeArray($value,$indent);
265 | } elseif (!is_array($value)) {
266 | // It doesn't have children. Yip.
267 | $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array);
268 | }
269 | return $string;
270 | }
271 |
272 | /**
273 | * Attempts to convert an array to YAML
274 | * @access private
275 | * @return string
276 | * @param $array The array you want to convert
277 | * @param $indent The indent of the current level
278 | */
279 | private function _yamlizeArray($array,$indent) {
280 | if (is_array($array)) {
281 | $string = '';
282 | $previous_key = -1;
283 | foreach ($array as $key => $value) {
284 | if (!isset($first_key)) $first_key = $key;
285 | $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
286 | $previous_key = $key;
287 | }
288 | return $string;
289 | } else {
290 | return false;
291 | }
292 | }
293 |
294 | /**
295 | * Returns YAML from a key and a value
296 | * @access private
297 | * @return string
298 | * @param $key The name of the key
299 | * @param $value The value of the item
300 | * @param $indent The indent of the current node
301 | */
302 | private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) {
303 | // do some folding here, for blocks
304 | if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
305 | strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, ' ') !== false ||
306 | strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 ||
307 | substr ($value, -1, 1) == ':')
308 | ) {
309 | $value = $this->_doLiteralBlock($value,$indent);
310 | } else {
311 | $value = $this->_doFolding($value,$indent);
312 | }
313 |
314 | if ($value === array()) $value = '[ ]';
315 | if (in_array ($value, array ('true', 'TRUE', 'false', 'FALSE', 'y', 'Y', 'n', 'N', 'null', 'NULL'), true)) {
316 | $value = $this->_doLiteralBlock($value,$indent);
317 | }
318 | if (trim ($value) != $value)
319 | $value = $this->_doLiteralBlock($value,$indent);
320 |
321 | if (is_bool($value)) {
322 | $value = ($value) ? "true" : "false";
323 | }
324 |
325 | if ($value === null) $value = 'null';
326 | if ($value === "'" . self::REMPTY . "'") $value = null;
327 |
328 | $spaces = str_repeat(' ',$indent);
329 |
330 | //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
331 | if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) {
332 | // It's a sequence
333 | $string = $spaces.'- '.$value."\n";
334 | } else {
335 | // if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"');
336 | // It's mapped
337 | if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; }
338 | $string = rtrim ($spaces.$key.': '.$value)."\n";
339 | }
340 | return $string;
341 | }
342 |
343 | /**
344 | * Creates a literal block for dumping
345 | * @access private
346 | * @return string
347 | * @param $value
348 | * @param $indent int The value of the indent
349 | */
350 | private function _doLiteralBlock($value,$indent) {
351 | if ($value === "\n") return '\n';
352 | if (strpos($value, "\n") === false && strpos($value, "'") === false) {
353 | return sprintf ("'%s'", $value);
354 | }
355 | if (strpos($value, "\n") === false && strpos($value, '"') === false) {
356 | return sprintf ('"%s"', $value);
357 | }
358 | $exploded = explode("\n",$value);
359 | $newValue = '|';
360 | $indent += $this->_dumpIndent;
361 | $spaces = str_repeat(' ',$indent);
362 | foreach ($exploded as $line) {
363 | $newValue .= "\n" . $spaces . ($line);
364 | }
365 | return $newValue;
366 | }
367 |
368 | /**
369 | * Folds a string of text, if necessary
370 | * @access private
371 | * @return string
372 | * @param $value The string you wish to fold
373 | */
374 | private function _doFolding($value,$indent) {
375 | // Don't do anything if wordwrap is set to 0
376 |
377 | if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
378 | $indent += $this->_dumpIndent;
379 | $indent = str_repeat(' ',$indent);
380 | $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
381 | $value = ">\n".$indent.$wrapped;
382 | } else {
383 | if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
384 | $value = '"' . $value . '"';
385 | }
386 |
387 |
388 | return $value;
389 | }
390 |
391 | // LOADING FUNCTIONS
392 |
393 | private function __load($input) {
394 | $Source = $this->loadFromSource($input);
395 | return $this->loadWithSource($Source);
396 | }
397 |
398 | private function __loadString($input) {
399 | $Source = $this->loadFromString($input);
400 | return $this->loadWithSource($Source);
401 | }
402 |
403 | private function loadWithSource($Source) {
404 | if (empty ($Source)) return array();
405 | if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
406 | $array = syck_load (implode ('', $Source));
407 | return is_array($array) ? $array : array();
408 | }
409 |
410 | $this->path = array();
411 | $this->result = array();
412 |
413 | $cnt = count($Source);
414 | for ($i = 0; $i < $cnt; $i++) {
415 | $line = $Source[$i];
416 |
417 | $this->indent = strlen($line) - strlen(ltrim($line));
418 | $tempPath = $this->getParentPathByIndent($this->indent);
419 | $line = self::stripIndent($line, $this->indent);
420 | if (self::isComment($line)) continue;
421 | if (self::isEmpty($line)) continue;
422 | $this->path = $tempPath;
423 |
424 | $literalBlockStyle = self::startsLiteralBlock($line);
425 | if ($literalBlockStyle) {
426 | $line = rtrim ($line, $literalBlockStyle . " \n");
427 | $literalBlock = '';
428 | $line .= $this->LiteralPlaceHolder;
429 | $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1]));
430 | while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
431 | $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent);
432 | }
433 | $i--;
434 | }
435 |
436 | while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
437 | $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
438 | }
439 | $i--;
440 |
441 |
442 |
443 | if (strpos ($line, '#')) {
444 | if (strpos ($line, '"') === false && strpos ($line, "'") === false)
445 | $line = preg_replace('/\s+#(.+)$/','',$line);
446 | }
447 |
448 | $lineArray = $this->_parseLine($line);
449 |
450 | if ($literalBlockStyle)
451 | $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
452 |
453 | $this->addArray($lineArray, $this->indent);
454 |
455 | foreach ($this->delayedPath as $indent => $delayedPath)
456 | $this->path[$indent] = $delayedPath;
457 |
458 | $this->delayedPath = array();
459 |
460 | }
461 | return $this->result;
462 | }
463 |
464 | private function loadFromSource ($input) {
465 | if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
466 | return file($input);
467 |
468 | return $this->loadFromString($input);
469 | }
470 |
471 | private function loadFromString ($input) {
472 | $lines = explode("\n",$input);
473 | foreach ($lines as $k => $_) {
474 | $lines[$k] = rtrim ($_, "\r");
475 | }
476 | return $lines;
477 | }
478 |
479 | /**
480 | * Parses YAML code and returns an array for a node
481 | * @access private
482 | * @return array
483 | * @param string $line A line from the YAML file
484 | */
485 | private function _parseLine($line) {
486 | if (!$line) return array();
487 | $line = trim($line);
488 | if (!$line) return array();
489 |
490 | $array = array();
491 |
492 | $group = $this->nodeContainsGroup($line);
493 | if ($group) {
494 | $this->addGroup($line, $group);
495 | $line = $this->stripGroup ($line, $group);
496 | }
497 |
498 | if ($this->startsMappedSequence($line))
499 | return $this->returnMappedSequence($line);
500 |
501 | if ($this->startsMappedValue($line))
502 | return $this->returnMappedValue($line);
503 |
504 | if ($this->isArrayElement($line))
505 | return $this->returnArrayElement($line);
506 |
507 | if ($this->isPlainArray($line))
508 | return $this->returnPlainArray($line);
509 |
510 |
511 | return $this->returnKeyValuePair($line);
512 |
513 | }
514 |
515 | /**
516 | * Finds the type of the passed value, returns the value as the new type.
517 | * @access private
518 | * @param string $value
519 | * @return mixed
520 | */
521 | private function _toType($value) {
522 | if ($value === '') return null;
523 | $first_character = $value[0];
524 | $last_character = substr($value, -1, 1);
525 |
526 | $is_quoted = false;
527 | do {
528 | if (!$value) break;
529 | if ($first_character != '"' && $first_character != "'") break;
530 | if ($last_character != '"' && $last_character != "'") break;
531 | $is_quoted = true;
532 | } while (0);
533 |
534 | if ($is_quoted)
535 | return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));
536 |
537 | if (strpos($value, ' #') !== false && !$is_quoted)
538 | $value = preg_replace('/\s+#(.+)$/','',$value);
539 |
540 | if (!$is_quoted) $value = str_replace('\n', "\n", $value);
541 |
542 | if ($first_character == '[' && $last_character == ']') {
543 | // Take out strings sequences and mappings
544 | $innerValue = trim(substr ($value, 1, -1));
545 | if ($innerValue === '') return array();
546 | $explode = $this->_inlineEscape($innerValue);
547 | // Propagate value array
548 | $value = array();
549 | foreach ($explode as $v) {
550 | $value[] = $this->_toType($v);
551 | }
552 | return $value;
553 | }
554 |
555 | if (strpos($value,': ')!==false && $first_character != '{') {
556 | $array = explode(': ',$value);
557 | $key = trim($array[0]);
558 | array_shift($array);
559 | $value = trim(implode(': ',$array));
560 | $value = $this->_toType($value);
561 | return array($key => $value);
562 | }
563 |
564 | if ($first_character == '{' && $last_character == '}') {
565 | $innerValue = trim(substr ($value, 1, -1));
566 | if ($innerValue === '') return array();
567 | // Inline Mapping
568 | // Take out strings sequences and mappings
569 | $explode = $this->_inlineEscape($innerValue);
570 | // Propagate value array
571 | $array = array();
572 | foreach ($explode as $v) {
573 | $SubArr = $this->_toType($v);
574 | if (empty($SubArr)) continue;
575 | if (is_array ($SubArr)) {
576 | $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
577 | }
578 | $array[] = $SubArr;
579 | }
580 | return $array;
581 | }
582 |
583 | if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
584 | return null;
585 | }
586 |
587 | if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
588 | $intvalue = (int)$value;
589 | if ($intvalue != PHP_INT_MAX)
590 | $value = $intvalue;
591 | return $value;
592 | }
593 |
594 | if (in_array($value,
595 | array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) {
596 | return true;
597 | }
598 |
599 | if (in_array(strtolower($value),
600 | array('false', 'off', '-', 'no', 'n'))) {
601 | return false;
602 | }
603 |
604 | if (is_numeric($value)) {
605 | if ($value === '0') return 0;
606 | if (rtrim ($value, 0) === $value)
607 | $value = (float)$value;
608 | return $value;
609 | }
610 |
611 | return $value;
612 | }
613 |
614 | /**
615 | * Used in inlines to check for more inlines or quoted strings
616 | * @access private
617 | * @return array
618 | */
619 | private function _inlineEscape($inline) {
620 | // There's gotta be a cleaner way to do this...
621 | // While pure sequences seem to be nesting just fine,
622 | // pure mappings and mappings with sequences inside can't go very
623 | // deep. This needs to be fixed.
624 |
625 | $seqs = array();
626 | $maps = array();
627 | $saved_strings = array();
628 |
629 | // Check for strings
630 | $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
631 | if (preg_match_all($regex,$inline,$strings)) {
632 | $saved_strings = $strings[0];
633 | $inline = preg_replace($regex,'YAMLString',$inline);
634 | }
635 | unset($regex);
636 |
637 | $i = 0;
638 | do {
639 |
640 | // Check for sequences
641 | while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
642 | $seqs[] = $matchseqs[0];
643 | $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
644 | }
645 |
646 | // Check for mappings
647 | while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
648 | $maps[] = $matchmaps[0];
649 | $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
650 | }
651 |
652 | if ($i++ >= 10) break;
653 |
654 | } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
655 |
656 | $explode = explode(', ',$inline);
657 | $stringi = 0; $i = 0;
658 |
659 | while (1) {
660 |
661 | // Re-add the sequences
662 | if (!empty($seqs)) {
663 | foreach ($explode as $key => $value) {
664 | if (strpos($value,'YAMLSeq') !== false) {
665 | foreach ($seqs as $seqk => $seq) {
666 | $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
667 | $value = $explode[$key];
668 | }
669 | }
670 | }
671 | }
672 |
673 | // Re-add the mappings
674 | if (!empty($maps)) {
675 | foreach ($explode as $key => $value) {
676 | if (strpos($value,'YAMLMap') !== false) {
677 | foreach ($maps as $mapk => $map) {
678 | $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
679 | $value = $explode[$key];
680 | }
681 | }
682 | }
683 | }
684 |
685 |
686 | // Re-add the strings
687 | if (!empty($saved_strings)) {
688 | foreach ($explode as $key => $value) {
689 | while (strpos($value,'YAMLString') !== false) {
690 | $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
691 | unset($saved_strings[$stringi]);
692 | ++$stringi;
693 | $value = $explode[$key];
694 | }
695 | }
696 | }
697 |
698 | $finished = true;
699 | foreach ($explode as $key => $value) {
700 | if (strpos($value,'YAMLSeq') !== false) {
701 | $finished = false; break;
702 | }
703 | if (strpos($value,'YAMLMap') !== false) {
704 | $finished = false; break;
705 | }
706 | if (strpos($value,'YAMLString') !== false) {
707 | $finished = false; break;
708 | }
709 | }
710 | if ($finished) break;
711 |
712 | $i++;
713 | if ($i > 10)
714 | break; // Prevent infinite loops.
715 | }
716 |
717 | return $explode;
718 | }
719 |
720 | private function literalBlockContinues ($line, $lineIndent) {
721 | if (!trim($line)) return true;
722 | if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
723 | return false;
724 | }
725 |
726 | private function referenceContentsByAlias ($alias) {
727 | do {
728 | if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
729 | $groupPath = $this->SavedGroups[$alias];
730 | $value = $this->result;
731 | foreach ($groupPath as $k) {
732 | $value = $value[$k];
733 | }
734 | } while (false);
735 | return $value;
736 | }
737 |
738 | private function addArrayInline ($array, $indent) {
739 | $CommonGroupPath = $this->path;
740 | if (empty ($array)) return false;
741 |
742 | foreach ($array as $k => $_) {
743 | $this->addArray(array($k => $_), $indent);
744 | $this->path = $CommonGroupPath;
745 | }
746 | return true;
747 | }
748 |
749 | private function addArray ($incoming_data, $incoming_indent) {
750 |
751 | // print_r ($incoming_data);
752 |
753 | if (count ($incoming_data) > 1)
754 | return $this->addArrayInline ($incoming_data, $incoming_indent);
755 |
756 | $key = key ($incoming_data);
757 | $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
758 | if ($key === '__!YAMLZero') $key = '0';
759 |
760 | if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
761 | if ($key || $key === '' || $key === '0') {
762 | $this->result[$key] = $value;
763 | } else {
764 | $this->result[] = $value; end ($this->result); $key = key ($this->result);
765 | }
766 | $this->path[$incoming_indent] = $key;
767 | return;
768 | }
769 |
770 |
771 |
772 | $history = array();
773 | // Unfolding inner array tree.
774 | $history[] = $_arr = $this->result;
775 | foreach ($this->path as $k) {
776 | $history[] = $_arr = $_arr[$k];
777 | }
778 |
779 | if ($this->_containsGroupAlias) {
780 | $value = $this->referenceContentsByAlias($this->_containsGroupAlias);
781 | $this->_containsGroupAlias = false;
782 | }
783 |
784 |
785 | // Adding string or numeric key to the innermost level or $this->arr.
786 | if (is_string($key) && $key == '<<') {
787 | if (!is_array ($_arr)) { $_arr = array (); }
788 |
789 | $_arr = array_merge ($_arr, $value);
790 | } else if ($key || $key === '' || $key === '0') {
791 | if (!is_array ($_arr))
792 | $_arr = array ($key=>$value);
793 | else
794 | $_arr[$key] = $value;
795 | } else {
796 | if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
797 | else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
798 | }
799 |
800 | $reverse_path = array_reverse($this->path);
801 | $reverse_history = array_reverse ($history);
802 | $reverse_history[0] = $_arr;
803 | $cnt = count($reverse_history) - 1;
804 | for ($i = 0; $i < $cnt; $i++) {
805 | $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
806 | }
807 | $this->result = $reverse_history[$cnt];
808 |
809 | $this->path[$incoming_indent] = $key;
810 |
811 | if ($this->_containsGroupAnchor) {
812 | $this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
813 | if (is_array ($value)) {
814 | $k = key ($value);
815 | if (!is_int ($k)) {
816 | $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
817 | }
818 | }
819 | $this->_containsGroupAnchor = false;
820 | }
821 |
822 | }
823 |
824 | private static function startsLiteralBlock ($line) {
825 | $lastChar = substr (trim($line), -1);
826 | if ($lastChar != '>' && $lastChar != '|') return false;
827 | if ($lastChar == '|') return $lastChar;
828 | // HTML tags should not be counted as literal blocks.
829 | if (preg_match ('#<.*?>$#', $line)) return false;
830 | return $lastChar;
831 | }
832 |
833 | private static function greedilyNeedNextLine($line) {
834 | $line = trim ($line);
835 | if (!strlen($line)) return false;
836 | if (substr ($line, -1, 1) == ']') return false;
837 | if ($line[0] == '[') return true;
838 | if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
839 | return false;
840 | }
841 |
842 | private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) {
843 | $line = self::stripIndent($line, $indent);
844 | if ($literalBlockStyle !== '|') {
845 | $line = self::stripIndent($line);
846 | }
847 | $line = rtrim ($line, "\r\n\t ") . "\n";
848 | if ($literalBlockStyle == '|') {
849 | return $literalBlock . $line;
850 | }
851 | if (strlen($line) == 0)
852 | return rtrim($literalBlock, ' ') . "\n";
853 | if ($line == "\n" && $literalBlockStyle == '>') {
854 | return rtrim ($literalBlock, " \t") . "\n";
855 | }
856 | if ($line != "\n")
857 | $line = trim ($line, "\r\n ") . " ";
858 | return $literalBlock . $line;
859 | }
860 |
861 | function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
862 | foreach ($lineArray as $k => $_) {
863 | if (is_array($_))
864 | $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
865 | else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
866 | $lineArray[$k] = rtrim ($literalBlock, " \r\n");
867 | }
868 | return $lineArray;
869 | }
870 |
871 | private static function stripIndent ($line, $indent = -1) {
872 | if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
873 | return substr ($line, $indent);
874 | }
875 |
876 | private function getParentPathByIndent ($indent) {
877 | if ($indent == 0) return array();
878 | $linePath = $this->path;
879 | do {
880 | end($linePath); $lastIndentInParentPath = key($linePath);
881 | if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
882 | } while ($indent <= $lastIndentInParentPath);
883 | return $linePath;
884 | }
885 |
886 |
887 | private function clearBiggerPathValues ($indent) {
888 |
889 |
890 | if ($indent == 0) $this->path = array();
891 | if (empty ($this->path)) return true;
892 |
893 | foreach ($this->path as $k => $_) {
894 | if ($k > $indent) unset ($this->path[$k]);
895 | }
896 |
897 | return true;
898 | }
899 |
900 |
901 | private static function isComment ($line) {
902 | if (!$line) return false;
903 | if ($line[0] == '#') return true;
904 | if (trim($line, " \r\n\t") == '---') return true;
905 | return false;
906 | }
907 |
908 | private static function isEmpty ($line) {
909 | return (trim ($line) === '');
910 | }
911 |
912 |
913 | private function isArrayElement ($line) {
914 | if (!$line) return false;
915 | if ($line[0] != '-') return false;
916 | if (strlen ($line) > 3)
917 | if (substr($line,0,3) == '---') return false;
918 |
919 | return true;
920 | }
921 |
922 | private function isHashElement ($line) {
923 | return strpos($line, ':');
924 | }
925 |
926 | private function isLiteral ($line) {
927 | if ($this->isArrayElement($line)) return false;
928 | if ($this->isHashElement($line)) return false;
929 | return true;
930 | }
931 |
932 |
933 | private static function unquote ($value) {
934 | if (!$value) return $value;
935 | if (!is_string($value)) return $value;
936 | if ($value[0] == '\'') return trim ($value, '\'');
937 | if ($value[0] == '"') return trim ($value, '"');
938 | return $value;
939 | }
940 |
941 | private function startsMappedSequence ($line) {
942 | return ($line[0] == '-' && substr ($line, -1, 1) == ':');
943 | }
944 |
945 | private function returnMappedSequence ($line) {
946 | $array = array();
947 | $key = self::unquote(trim(substr($line,1,-1)));
948 | $array[$key] = array();
949 | $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
950 | return array($array);
951 | }
952 |
953 | private function returnMappedValue ($line) {
954 | $array = array();
955 | $key = self::unquote (trim(substr($line,0,-1)));
956 | $array[$key] = '';
957 | return $array;
958 | }
959 |
960 | private function startsMappedValue ($line) {
961 | return (substr ($line, -1, 1) == ':');
962 | }
963 |
964 | private function isPlainArray ($line) {
965 | return ($line[0] == '[' && substr ($line, -1, 1) == ']');
966 | }
967 |
968 | private function returnPlainArray ($line) {
969 | return $this->_toType($line);
970 | }
971 |
972 | private function returnKeyValuePair ($line) {
973 | $array = array();
974 | $key = '';
975 | if (strpos ($line, ':')) {
976 | // It's a key/value pair most likely
977 | // If the key is in double quotes pull it out
978 | if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
979 | $value = trim(str_replace($matches[1],'',$line));
980 | $key = $matches[2];
981 | } else {
982 | // Do some guesswork as to the key and the value
983 | $explode = explode(':',$line);
984 | $key = trim($explode[0]);
985 | array_shift($explode);
986 | $value = trim(implode(':',$explode));
987 | }
988 | // Set the type of the value. Int, string, etc
989 | $value = $this->_toType($value);
990 | if ($key === '0') $key = '__!YAMLZero';
991 | $array[$key] = $value;
992 | } else {
993 | $array = array ($line);
994 | }
995 | return $array;
996 |
997 | }
998 |
999 |
1000 | private function returnArrayElement ($line) {
1001 | if (strlen($line) <= 1) return array(array()); // Weird %)
1002 | $array = array();
1003 | $value = trim(substr($line,1));
1004 | $value = $this->_toType($value);
1005 | $array[] = $value;
1006 | return $array;
1007 | }
1008 |
1009 |
1010 | private function nodeContainsGroup ($line) {
1011 | $symbolsForReference = 'A-z0-9_\-';
1012 | if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
1013 | if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
1014 | if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
1015 | if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
1016 | if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
1017 | if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
1018 | return false;
1019 |
1020 | }
1021 |
1022 | private function addGroup ($line, $group) {
1023 | if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
1024 | if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
1025 | //print_r ($this->path);
1026 | }
1027 |
1028 | private function stripGroup ($line, $group) {
1029 | $line = trim(str_replace($group, '', $line));
1030 | return $line;
1031 | }
1032 | }
1033 |
1034 | // Enable use of Spyc from command line
1035 | // The syntax is the following: php spyc.php spyc.yaml
1036 |
1037 | define ('SPYC_FROM_COMMAND_LINE', false);
1038 |
1039 | do {
1040 | if (!SPYC_FROM_COMMAND_LINE) break;
1041 | if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
1042 | if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break;
1043 | $file = $argv[1];
1044 | printf ("Spyc loading file: %s\n", $file);
1045 | print_r (spyc_load_file ($file));
1046 | } while (0);
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