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<?php |
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/** |
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* This file is part of the sweetrdf/InMemoryStoreSqlite package and licensed under |
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* the terms of the GPL-2 license. |
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* |
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* (c) Konrad Abicht <[email protected]> |
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* (c) Benjamin Nowack |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace sweetrdf\InMemoryStoreSqlite\Parser; |
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use Exception; |
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use sweetrdf\InMemoryStoreSqlite\Log\Logger; |
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use sweetrdf\InMemoryStoreSqlite\NamespaceHelper; |
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use sweetrdf\InMemoryStoreSqlite\StringReader; |
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use function sweetrdf\InMemoryStoreSqlite\calcURI; |
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class TurtleParser extends BaseParser |
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{ |
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protected int $state; |
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protected int $max_parsing_loops; |
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protected string $unparsed_code; |
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98 |
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public function __construct(Logger $logger, NamespaceHelper $namespaceHelper, StringReader $stringReader) |
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{ |
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parent::__construct($logger, $namespaceHelper, $stringReader); |
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98 |
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$this->state = 0; |
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$this->unparsed_code = ''; |
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$this->max_parsing_loops = 500; |
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} |
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protected function x($re, $v, $options = 'si') |
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{ |
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$v = preg_replace('/^[\xA0\xC2]+/', ' ', $v); |
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/* comment removal */ |
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98 |
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while (preg_match('/^\s*(\#[^\xd\xa]*)(.*)$/si', $v, $m)) { |
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$v = $m[2]; |
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} |
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return preg_match("/^\s*".$re.'(.*)$/'.$options, $v, $m) ? $m : false; |
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} |
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2 |
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private function createBnodeID(): string |
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{ |
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++$this->bnode_id; |
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return '_:'.$this->bnode_prefix.$this->bnode_id; |
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} |
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2 |
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protected function addT(array $t): void |
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{ |
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2 |
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$this->triples[$this->t_count] = $t; |
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2 |
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++$this->t_count; |
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} |
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protected function countTriples() |
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{ |
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return $this->t_count; |
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} |
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protected function getUnparsedCode() |
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{ |
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return $this->unparsed_code; |
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} |
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public function parse(string $path, string $data = ''): void |
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{ |
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$this->triples = []; |
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$this->t_count = 0; |
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$this->reader->init($path, $data); |
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$this->base = $this->reader->getBase(); |
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$this->r = ['vars' => []]; |
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/* parse */ |
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$buffer = ''; |
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$more_triples = []; |
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$sub_v = ''; |
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2 |
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$sub_v2 = ''; |
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2 |
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$loops = 0; |
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$prologue_done = 0; |
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while ($d = $this->reader->readStream(8192)) { |
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$buffer .= $d; |
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$sub_v = $buffer; |
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do { |
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$proceed = 0; |
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2 |
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if (!$prologue_done) { |
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$proceed = 1; |
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if ((list($sub_r, $sub_v) = $this->xPrologue($sub_v)) && $sub_r) { |
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$loops = 0; |
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$sub_v .= $this->reader->readStream(128); |
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/* in case we missed the final DOT in the previous prologue loop */ |
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if ($sub_r = $this->x('\.', $sub_v)) { |
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$sub_v = $sub_r[1]; |
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} |
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/* more prologue to come, use outer loop */ |
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if ($this->x("\@?(base|prefix)", $sub_v)) { |
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$proceed = 0; |
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} |
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} else { |
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$prologue_done = 1; |
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} |
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} |
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if ( |
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$prologue_done |
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&& (list($sub_r, $sub_v, $more_triples, $sub_v2) = $this->xTriplesBlock($sub_v)) |
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&& \is_array($sub_r) |
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) { |
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$proceed = 1; |
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$loops = 0; |
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foreach ($sub_r as $t) { |
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$this->addT($t); |
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} |
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} |
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2 |
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} while ($proceed); |
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++$loops; |
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$buffer = $sub_v; |
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if ($loops > $this->max_parsing_loops) { |
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$msg = 'too many loops: '.$loops.'. Could not parse "'.substr($buffer, 0, 200).'..."'; |
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throw new Exception($msg); |
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} |
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} |
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foreach ($more_triples as $t) { |
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$this->addT($t); |
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} |
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$sub_v = \count($more_triples) ? $sub_v2 : $sub_v; |
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$buffer = $sub_v; |
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$this->unparsed_code = $buffer; |
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/* remove trailing comments */ |
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while (preg_match('/^\s*(\#[^\xd\xa]*)(.*)$/si', $this->unparsed_code, $m)) { |
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$this->unparsed_code = $m[2]; |
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} |
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if ($this->unparsed_code && !$this->logger->hasEntries('error')) { |
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$rest = preg_replace('/[\x0a|\x0d]/i', ' ', substr($this->unparsed_code, 0, 30)); |
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if (trim($rest)) { |
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$this->logger->error('Could not parse "'.$rest.'"'); |
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} |
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} |
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} |
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protected function xPrologue($v) |
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{ |
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$r = 0; |
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if (!$this->t_count) { |
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if ((list($sub_r, $v) = $this->xBaseDecl($v)) && $sub_r) { |
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$this->base = $sub_r; |
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$r = 1; |
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} |
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while ((list($sub_r, $v) = $this->xPrefixDecl($v)) && $sub_r) { |
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$this->namespaceHelper->setPrefix($sub_r['prefix'], $sub_r['uri']); |
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$r = 1; |
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} |
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} |
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return [$r, $v]; |
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} |
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/* 3 */ |
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protected function xBaseDecl($v) |
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{ |
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if ($r = $this->x("\@?base\s+", $v)) { |
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if ((list($r, $sub_v) = $this->xIRI_REF($r[1])) && $r) { |
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if ($sub_r = $this->x('\.', $sub_v)) { |
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$sub_v = $sub_r[1]; |
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} |
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return [$r, $sub_v]; |
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} |
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} |
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return [0, $v]; |
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} |
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/* 4 */ |
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protected function xPrefixDecl($v) |
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{ |
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if ($r = $this->x("\@?prefix\s+", $v)) { |
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if ((list($r, $sub_v) = $this->xPNAME_NS($r[1])) && $r) { |
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$prefix = $r; |
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if ((list($r, $sub_v) = $this->xIRI_REF($sub_v)) && $r) { |
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$uri = calcURI($r, $this->base); |
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if ($sub_r = $this->x('\.', $sub_v)) { |
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$sub_v = $sub_r[1]; |
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} |
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return [['prefix' => $prefix, 'uri_ref' => $r, 'uri' => $uri], $sub_v]; |
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} |
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} |
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} |
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return [0, $v]; |
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} |
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/* 21.., 32.. */ |
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protected function xTriplesBlock($v) |
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{ |
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$pre_r = []; |
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$r = []; |
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$state = 1; |
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$sub_v = $v; |
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$buffer = $sub_v; |
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do { |
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$proceed = 0; |
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if (1 == $state) {/* expecting subject */ |
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$t = ['type' => 'triple', 's' => '', 'p' => '', 'o' => '', 's_type' => '', 'p_type' => '', 'o_type' => '', 'o_datatype' => '', 'o_lang' => '']; |
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if ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
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$t['s'] = $sub_r['value']; |
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$t['s_type'] = $sub_r['type']; |
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$state = 2; |
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$proceed = 1; |
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if ($sub_r = $this->x('(\}|\.)', $sub_v)) { |
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if ('placeholder' == $t['s_type']) { |
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$state = 4; |
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} else { |
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$this->logger->error('"'.$sub_r[1].'" after subject found.'); |
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} |
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} |
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} elseif ((list($sub_r, $sub_v) = $this->xCollection($sub_v)) && $sub_r) { |
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$t['s'] = $sub_r['id']; |
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$t['s_type'] = $sub_r['type']; |
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$pre_r = array_merge($pre_r, $sub_r['triples']); |
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$state = 2; |
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$proceed = 1; |
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if ($sub_r = $this->x('\.', $sub_v)) { |
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$this->logger->error('DOT after subject found.'); |
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} |
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} elseif ((list($sub_r, $sub_v) = $this->xBlankNodePropertyList($sub_v)) && $sub_r) { |
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$t['s'] = $sub_r['id']; |
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$t['s_type'] = $sub_r['type']; |
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$pre_r = array_merge($pre_r, $sub_r['triples']); |
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$state = 2; |
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$proceed = 1; |
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} elseif ($sub_r = $this->x('\.', $sub_v)) { |
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$this->logger->error('Subject expected, DOT found.'.$sub_v); |
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} |
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} |
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98 |
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if (2 == $state) {/* expecting predicate */ |
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98 |
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if ($sub_r = $this->x('a\s+', $sub_v)) { |
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$sub_v = $sub_r[1]; |
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$t['p'] = NamespaceHelper::NAMESPACE_RDF.'type'; |
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$t['p_type'] = 'uri'; |
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$state = 3; |
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$proceed = 1; |
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98 |
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} elseif ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
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98 |
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if ('bnode' == $sub_r['type']) { |
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$this->logger->error('Blank node used as triple predicate'); |
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} |
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98 |
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$t['p'] = $sub_r['value']; |
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98 |
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$t['p_type'] = $sub_r['type']; |
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98 |
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$state = 3; |
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98 |
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$proceed = 1; |
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} elseif ($sub_r = $this->x('\.', $sub_v)) { |
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$state = 4; |
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} elseif ($sub_r = $this->x('\}', $sub_v)) { |
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$buffer = $sub_v; |
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$r = array_merge($r, $pre_r); |
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$pre_r = []; |
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$proceed = 0; |
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} |
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270
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} |
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98 |
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if (3 == $state) {/* expecting object */ |
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98 |
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if ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
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98 |
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$t['o'] = $sub_r['value']; |
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98 |
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$t['o_type'] = $sub_r['type']; |
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98 |
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$t['o_lang'] = $sub_r['lang'] ?? ''; |
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98 |
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$t['o_datatype'] = $sub_r['datatype'] ?? ''; |
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98 |
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$pre_r[] = $t; |
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98 |
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$state = 4; |
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98 |
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$proceed = 1; |
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2 |
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} elseif ((list($sub_r, $sub_v) = $this->xCollection($sub_v)) && $sub_r) { |
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$t['o'] = $sub_r['id']; |
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$t['o_type'] = $sub_r['type']; |
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$t['o_datatype'] = ''; |
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284
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$pre_r = array_merge($pre_r, [$t], $sub_r['triples']); |
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$state = 4; |
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$proceed = 1; |
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2 |
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} elseif ((list($sub_r, $sub_v) = $this->xBlankNodePropertyList($sub_v)) && $sub_r) { |
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288
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2 |
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$t['o'] = $sub_r['id']; |
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2 |
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$t['o_type'] = $sub_r['type']; |
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2 |
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$t['o_datatype'] = ''; |
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2 |
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$pre_r = array_merge($pre_r, [$t], $sub_r['triples']); |
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2 |
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$state = 4; |
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293
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2 |
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$proceed = 1; |
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} |
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295
|
|
|
} |
|
296
|
98 |
|
if (4 == $state) {/* expecting . or ; or , or } */ |
|
297
|
98 |
|
if ($sub_r = $this->x('\.', $sub_v)) { |
|
298
|
96 |
|
$sub_v = $sub_r[1]; |
|
299
|
96 |
|
$buffer = $sub_v; |
|
300
|
96 |
|
$r = array_merge($r, $pre_r); |
|
301
|
96 |
|
$pre_r = []; |
|
302
|
96 |
|
$state = 1; |
|
303
|
96 |
|
$proceed = 1; |
|
304
|
28 |
|
} elseif ($sub_r = $this->x('\;', $sub_v)) { |
|
305
|
11 |
|
$sub_v = $sub_r[1]; |
|
306
|
11 |
|
$state = 2; |
|
307
|
11 |
|
$proceed = 1; |
|
308
|
24 |
|
} elseif ($sub_r = $this->x('\,', $sub_v)) { |
|
309
|
20 |
|
$sub_v = $sub_r[1]; |
|
310
|
20 |
|
$state = 3; |
|
311
|
20 |
|
$proceed = 1; |
|
312
|
20 |
|
if ($sub_r = $this->x('\}', $sub_v)) { |
|
313
|
|
|
$this->logger->error('Object expected, } found.'); |
|
314
|
|
|
} |
|
315
|
|
|
} |
|
316
|
98 |
|
if ($sub_r = $this->x('(\}|\{|OPTIONAL|FILTER|GRAPH)', $sub_v)) { |
|
317
|
95 |
|
$buffer = $sub_v; |
|
318
|
95 |
|
$r = array_merge($r, $pre_r); |
|
319
|
95 |
|
$pre_r = []; |
|
320
|
95 |
|
$proceed = 0; |
|
321
|
|
|
} |
|
322
|
|
|
} |
|
323
|
98 |
|
} while ($proceed); |
|
324
|
|
|
|
|
325
|
98 |
|
return \count($r) ? [$r, $buffer, $pre_r, $sub_v] : [0, $buffer, $pre_r, $sub_v]; |
|
326
|
|
|
} |
|
327
|
|
|
|
|
328
|
|
|
/* 39.. */ |
|
329
|
|
|
|
|
330
|
96 |
|
protected function xBlankNodePropertyList($v) |
|
331
|
|
|
{ |
|
332
|
96 |
|
if ($sub_r = $this->x('\[', $v)) { |
|
333
|
2 |
|
$sub_v = $sub_r[1]; |
|
334
|
2 |
|
$s = $this->createBnodeID(); |
|
335
|
2 |
|
$r = ['id' => $s, 'type' => 'bnode', 'triples' => []]; |
|
336
|
2 |
|
$t = ['type' => 'triple', 's' => $s, 'p' => '', 'o' => '', 's_type' => 'bnode', 'p_type' => '', 'o_type' => '', 'o_datatype' => '', 'o_lang' => '']; |
|
337
|
2 |
|
$state = 2; |
|
338
|
2 |
|
$closed = 0; |
|
339
|
|
|
do { |
|
340
|
2 |
|
$proceed = 0; |
|
341
|
2 |
|
if (2 == $state) {/* expecting predicate */ |
|
342
|
2 |
|
if ($sub_r = $this->x('a\s+', $sub_v)) { |
|
343
|
|
|
$sub_v = $sub_r[1]; |
|
344
|
|
|
$t['p'] = NamespaceHelper::NAMESPACE_RDF.'type'; |
|
345
|
|
|
$t['p_type'] = 'uri'; |
|
346
|
|
|
$state = 3; |
|
347
|
|
|
$proceed = 1; |
|
348
|
2 |
|
} elseif ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
|
349
|
2 |
|
$t['p'] = $sub_r['value']; |
|
350
|
2 |
|
$t['p_type'] = $sub_r['type']; |
|
351
|
2 |
|
$state = 3; |
|
352
|
2 |
|
$proceed = 1; |
|
353
|
|
|
} |
|
354
|
|
|
} |
|
355
|
2 |
|
if (3 == $state) {/* expecting object */ |
|
356
|
2 |
|
if ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
|
357
|
2 |
|
$t['o'] = $sub_r['value']; |
|
358
|
2 |
|
$t['o_type'] = $sub_r['type']; |
|
359
|
2 |
|
$t['o_lang'] = $sub_r['lang'] ?? ''; |
|
360
|
2 |
|
$t['o_datatype'] = $sub_r['datatype'] ?? ''; |
|
361
|
2 |
|
$r['triples'][] = $t; |
|
362
|
2 |
|
$state = 4; |
|
363
|
2 |
|
$proceed = 1; |
|
364
|
|
|
} elseif ((list($sub_r, $sub_v) = $this->xCollection($sub_v)) && $sub_r) { |
|
365
|
|
|
$t['o'] = $sub_r['id']; |
|
366
|
|
|
$t['o_type'] = $sub_r['type']; |
|
367
|
|
|
$t['o_datatype'] = ''; |
|
368
|
|
|
$r['triples'] = array_merge($r['triples'], [$t], $sub_r['triples']); |
|
369
|
|
|
$state = 4; |
|
370
|
|
|
$proceed = 1; |
|
371
|
|
|
} elseif ((list($sub_r, $sub_v) = $this->xBlankNodePropertyList($sub_v)) && $sub_r) { |
|
372
|
|
|
$t['o'] = $sub_r['id']; |
|
373
|
|
|
$t['o_type'] = $sub_r['type']; |
|
374
|
|
|
$t['o_datatype'] = ''; |
|
375
|
|
|
$r['triples'] = array_merge($r['triples'], [$t], $sub_r['triples']); |
|
376
|
|
|
$state = 4; |
|
377
|
|
|
$proceed = 1; |
|
378
|
|
|
} |
|
379
|
|
|
} |
|
380
|
2 |
|
if (4 == $state) {/* expecting . or ; or , or ] */ |
|
381
|
2 |
|
if ($sub_r = $this->x('\.', $sub_v)) { |
|
382
|
|
|
$sub_v = $sub_r[1]; |
|
383
|
|
|
$state = 1; |
|
384
|
|
|
$proceed = 1; |
|
385
|
|
|
} |
|
386
|
2 |
|
if ($sub_r = $this->x('\;', $sub_v)) { |
|
387
|
1 |
|
$sub_v = $sub_r[1]; |
|
388
|
1 |
|
$state = 2; |
|
389
|
1 |
|
$proceed = 1; |
|
390
|
|
|
} |
|
391
|
2 |
|
if ($sub_r = $this->x('\,', $sub_v)) { |
|
392
|
|
|
$sub_v = $sub_r[1]; |
|
393
|
|
|
$state = 3; |
|
394
|
|
|
$proceed = 1; |
|
395
|
|
|
} |
|
396
|
2 |
|
if ($sub_r = $this->x('\]', $sub_v)) { |
|
397
|
2 |
|
$sub_v = $sub_r[1]; |
|
398
|
2 |
|
$proceed = 0; |
|
399
|
2 |
|
$closed = 1; |
|
400
|
|
|
} |
|
401
|
|
|
} |
|
402
|
2 |
|
} while ($proceed); |
|
403
|
2 |
|
if ($closed) { |
|
404
|
2 |
|
return [$r, $sub_v]; |
|
405
|
|
|
} |
|
406
|
|
|
|
|
407
|
|
|
return [0, $v]; |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
96 |
|
return [0, $v]; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
/* 40.. */ |
|
414
|
|
|
|
|
415
|
96 |
|
protected function xCollection($v) |
|
416
|
|
|
{ |
|
417
|
96 |
|
if ($sub_r = $this->x('\(', $v)) { |
|
418
|
|
|
$sub_v = $sub_r[1]; |
|
419
|
|
|
$s = $this->createBnodeID(); |
|
420
|
|
|
$r = ['id' => $s, 'type' => 'bnode', 'triples' => []]; |
|
421
|
|
|
$closed = 0; |
|
422
|
|
|
do { |
|
423
|
|
|
$proceed = 0; |
|
424
|
|
|
if ((list($sub_r, $sub_v) = $this->xVarOrTerm($sub_v)) && $sub_r) { |
|
425
|
|
|
$r['triples'][] = [ |
|
426
|
|
|
'type' => 'triple', |
|
427
|
|
|
's' => $s, |
|
428
|
|
|
's_type' => 'bnode', |
|
429
|
|
|
'p' => NamespaceHelper::NAMESPACE_RDF.'first', |
|
430
|
|
|
'p_type' => 'uri', |
|
431
|
|
|
'o' => $sub_r['value'], |
|
432
|
|
|
'o_type' => $sub_r['type'], |
|
433
|
|
|
'o_lang' => $sub_r['lang'] ?? '', |
|
434
|
|
|
'o_datatype' => $sub_r['datatype'] ?? '', |
|
435
|
|
|
]; |
|
436
|
|
|
$proceed = 1; |
|
437
|
|
|
} elseif ((list($sub_r, $sub_v) = $this->xCollection($sub_v)) && $sub_r) { |
|
438
|
|
|
$r['triples'][] = [ |
|
439
|
|
|
'type' => 'triple', |
|
440
|
|
|
's' => $s, |
|
441
|
|
|
's_type' => 'bnode', |
|
442
|
|
|
'p' => NamespaceHelper::NAMESPACE_RDF.'first', |
|
443
|
|
|
'p_type' => 'uri', |
|
444
|
|
|
'o' => $sub_r['id'], |
|
445
|
|
|
'o_type' => $sub_r['type'], |
|
446
|
|
|
'o_lang' => '', |
|
447
|
|
|
'o_datatype' => '', |
|
448
|
|
|
]; |
|
449
|
|
|
$r['triples'] = array_merge($r['triples'], $sub_r['triples']); |
|
450
|
|
|
$proceed = 1; |
|
451
|
|
|
} elseif ((list($sub_r, $sub_v) = $this->xBlankNodePropertyList($sub_v)) && $sub_r) { |
|
452
|
|
|
$r['triples'][] = [ |
|
453
|
|
|
'type' => 'triple', |
|
454
|
|
|
's' => $s, |
|
455
|
|
|
'p' => NamespaceHelper::NAMESPACE_RDF.'first', |
|
456
|
|
|
'o' => $sub_r['id'], |
|
457
|
|
|
's_type' => 'bnode', |
|
458
|
|
|
'p_type' => 'uri', |
|
459
|
|
|
'o_type' => $sub_r['type'], |
|
460
|
|
|
'o_lang' => '', |
|
461
|
|
|
'o_datatype' => '', |
|
462
|
|
|
]; |
|
463
|
|
|
$r['triples'] = array_merge($r['triples'], $sub_r['triples']); |
|
464
|
|
|
$proceed = 1; |
|
465
|
|
|
} |
|
466
|
|
|
if ($proceed) { |
|
467
|
|
|
if ($sub_r = $this->x('\)', $sub_v)) { |
|
468
|
|
|
$sub_v = $sub_r[1]; |
|
469
|
|
|
$r['triples'][] = [ |
|
470
|
|
|
'type' => 'triple', |
|
471
|
|
|
's' => $s, |
|
472
|
|
|
's_type' => 'bnode', |
|
473
|
|
|
'p' => NamespaceHelper::NAMESPACE_RDF.'rest', |
|
474
|
|
|
'p_type' => 'uri', |
|
475
|
|
|
'o' => NamespaceHelper::NAMESPACE_RDF.'nil', |
|
476
|
|
|
'o_type' => 'uri', |
|
477
|
|
|
'o_lang' => '', |
|
478
|
|
|
'o_datatype' => '', |
|
479
|
|
|
]; |
|
480
|
|
|
$closed = 1; |
|
481
|
|
|
$proceed = 0; |
|
482
|
|
|
} else { |
|
483
|
|
|
$next_s = $this->createBnodeID(); |
|
484
|
|
|
$r['triples'][] = [ |
|
485
|
|
|
'type' => 'triple', |
|
486
|
|
|
's' => $s, |
|
487
|
|
|
'p' => NamespaceHelper::NAMESPACE_RDF.'rest', |
|
488
|
|
|
'o' => $next_s, |
|
489
|
|
|
's_type' => 'bnode', |
|
490
|
|
|
'p_type' => 'uri', |
|
491
|
|
|
'o_type' => 'bnode', |
|
492
|
|
|
'o_lang' => '', |
|
493
|
|
|
'o_datatype' => '', |
|
494
|
|
|
]; |
|
495
|
|
|
$s = $next_s; |
|
496
|
|
|
} |
|
497
|
|
|
} |
|
498
|
|
|
} while ($proceed); |
|
499
|
|
|
if ($closed) { |
|
500
|
|
|
return [$r, $sub_v]; |
|
501
|
|
|
} |
|
502
|
|
|
} |
|
503
|
|
|
|
|
504
|
96 |
|
return [0, $v]; |
|
505
|
|
|
} |
|
506
|
|
|
|
|
507
|
|
|
/* 42 */ |
|
508
|
|
|
|
|
509
|
98 |
|
protected function xVarOrTerm($v) |
|
510
|
|
|
{ |
|
511
|
98 |
|
if ((list($sub_r, $sub_v) = $this->xVar($v)) && $sub_r) { |
|
512
|
92 |
|
return [$sub_r, $sub_v]; |
|
513
|
98 |
|
} elseif ((list($sub_r, $sub_v) = $this->xGraphTerm($v)) && $sub_r) { |
|
514
|
95 |
|
return [$sub_r, $sub_v]; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
96 |
|
return [0, $v]; |
|
518
|
|
|
} |
|
519
|
|
|
|
|
520
|
|
|
/* 44, 74.., 75.. */ |
|
521
|
|
|
|
|
522
|
98 |
|
protected function xVar($v) |
|
523
|
|
|
{ |
|
524
|
98 |
|
if ($r = $this->x('(\?|\$)([^\s]+)', $v)) { |
|
525
|
92 |
|
if ((list($sub_r, $sub_v) = $this->xVARNAME($r[2])) && $sub_r) { |
|
526
|
92 |
|
if (!\in_array($sub_r, $this->r['vars'])) { |
|
527
|
92 |
|
$this->r['vars'][] = $sub_r; |
|
528
|
|
|
} |
|
529
|
|
|
|
|
530
|
92 |
|
return [['value' => $sub_r, 'type' => 'var'], $sub_v.$r[3]]; |
|
531
|
|
|
} |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
98 |
|
return [0, $v]; |
|
535
|
|
|
} |
|
536
|
|
|
|
|
537
|
|
|
/* 45 */ |
|
538
|
|
|
|
|
539
|
98 |
|
protected function xGraphTerm($v) |
|
540
|
|
|
{ |
|
541
|
98 |
|
foreach ([ |
|
542
|
98 |
|
'IRIref' => 'uri', |
|
543
|
98 |
|
'RDFLiteral' => 'literal', |
|
544
|
98 |
|
'NumericLiteral' => 'literal', |
|
545
|
98 |
|
'BooleanLiteral' => 'literal', |
|
546
|
98 |
|
'BlankNode' => 'bnode', |
|
547
|
98 |
|
'NIL' => 'uri', |
|
548
|
98 |
|
'Placeholder' => 'placeholder', |
|
549
|
98 |
|
] as $term => $type) { |
|
550
|
98 |
|
$m = 'x'.$term; |
|
551
|
98 |
|
if ((list($sub_r, $sub_v) = $this->$m($v)) && $sub_r) { |
|
552
|
95 |
|
if (!\is_array($sub_r)) { |
|
553
|
95 |
|
$sub_r = ['value' => $sub_r]; |
|
554
|
|
|
} |
|
555
|
95 |
|
$sub_r['type'] = $sub_r['type'] ?? $type; |
|
556
|
|
|
|
|
557
|
95 |
|
return [$sub_r, $sub_v]; |
|
558
|
|
|
} |
|
559
|
|
|
} |
|
560
|
|
|
|
|
561
|
96 |
|
return [0, $v]; |
|
562
|
|
|
} |
|
563
|
|
|
|
|
564
|
|
|
/* 60 */ |
|
565
|
|
|
|
|
566
|
97 |
|
protected function xRDFLiteral($v) |
|
567
|
|
|
{ |
|
568
|
97 |
|
if ((list($sub_r, $sub_v) = $this->xString($v)) && $sub_r) { |
|
569
|
53 |
|
$sub_r['value'] = $this->unescapeNtripleUTF($sub_r['value']); |
|
570
|
53 |
|
$r = $sub_r; |
|
571
|
53 |
|
if ((list($sub_r, $sub_v) = $this->xLANGTAG($sub_v)) && $sub_r) { |
|
572
|
8 |
|
$r['lang'] = $sub_r; |
|
573
|
|
|
} elseif ( |
|
574
|
52 |
|
!$this->x('\s', $sub_v) |
|
575
|
52 |
|
&& ($sub_r = $this->x('\^\^', $sub_v)) |
|
576
|
52 |
|
&& (list($sub_r, $sub_v) = $this->xIRIref($sub_r[1])) |
|
577
|
52 |
|
&& $sub_r[1] |
|
578
|
|
|
) { |
|
579
|
3 |
|
$r['datatype'] = $sub_r; |
|
580
|
|
|
} |
|
581
|
|
|
|
|
582
|
53 |
|
return [$r, $sub_v]; |
|
583
|
|
|
} |
|
584
|
|
|
|
|
585
|
96 |
|
return [0, $v]; |
|
586
|
|
|
} |
|
587
|
|
|
|
|
588
|
|
|
/* 61.., 62.., 63.., 64.. */ |
|
589
|
|
|
|
|
590
|
96 |
|
protected function xNumericLiteral($v) |
|
591
|
|
|
{ |
|
592
|
96 |
|
$sub_r = $this->x('(\-|\+)?', $v); |
|
593
|
96 |
|
$prefix = $sub_r[1]; |
|
594
|
96 |
|
$sub_v = $sub_r[2]; |
|
595
|
96 |
|
foreach (['DOUBLE' => 'double', 'DECIMAL' => 'decimal', 'INTEGER' => 'integer'] as $type => $xsd) { |
|
596
|
96 |
|
$m = 'x'.$type; |
|
597
|
96 |
|
if ((list($sub_r, $sub_v) = $this->$m($sub_v)) && (false !== $sub_r)) { |
|
598
|
20 |
|
$r = [ |
|
599
|
20 |
|
'value' => $prefix.$sub_r, |
|
600
|
20 |
|
'type' => 'literal', |
|
601
|
20 |
|
'datatype' => NamespaceHelper::NAMESPACE_XSD.$xsd, |
|
602
|
20 |
|
]; |
|
603
|
|
|
|
|
604
|
20 |
|
return [$r, $sub_v]; |
|
605
|
|
|
} |
|
606
|
|
|
} |
|
607
|
|
|
|
|
608
|
96 |
|
return [0, $v]; |
|
609
|
|
|
} |
|
610
|
|
|
|
|
611
|
|
|
/* 65.. */ |
|
612
|
|
|
|
|
613
|
96 |
|
protected function xBooleanLiteral($v) |
|
614
|
|
|
{ |
|
615
|
96 |
|
if ($r = $this->x('(true|false)', $v)) { |
|
616
|
|
|
return [$r[1], $r[2]]; |
|
617
|
|
|
} |
|
618
|
|
|
|
|
619
|
96 |
|
return [0, $v]; |
|
620
|
|
|
} |
|
621
|
|
|
|
|
622
|
|
|
/* 66.., 87.., 88.., 89.., 90.., 91.. */ |
|
623
|
|
|
|
|
624
|
97 |
|
protected function xString($v) |
|
625
|
|
|
{/* largely simplified, may need some tweaks in following revisions */ |
|
626
|
97 |
|
$sub_v = $v; |
|
627
|
97 |
|
if (!preg_match('/^\s*([\']{3}|\'|[\"]{3}|\")(.*)$/s', $sub_v, $m)) { |
|
628
|
96 |
|
return [0, $v]; |
|
629
|
|
|
} |
|
630
|
53 |
|
$delim = $m[1]; |
|
631
|
53 |
|
$rest = $m[2]; |
|
632
|
53 |
|
$sub_types = ["'''" => 'literal_long1', '"""' => 'literal_long2', "'" => 'literal1', '"' => 'literal2']; |
|
633
|
53 |
|
$sub_type = $sub_types[$delim]; |
|
634
|
53 |
|
$pos = 0; |
|
635
|
53 |
|
$r = false; |
|
636
|
|
|
do { |
|
637
|
53 |
|
$proceed = 0; |
|
638
|
53 |
|
$delim_pos = strpos($rest, $delim, $pos); |
|
639
|
53 |
|
if (false === $delim_pos) { |
|
640
|
|
|
break; |
|
641
|
|
|
} |
|
642
|
53 |
|
$new_rest = substr($rest, $delim_pos + \strlen($delim)); |
|
643
|
53 |
|
$r = substr($rest, 0, $delim_pos); |
|
644
|
53 |
|
if (!preg_match('/([\x5c]+)$/s', $r, $m) || !(\strlen($m[1]) % 2)) { |
|
645
|
53 |
|
$rest = $new_rest; |
|
646
|
|
|
} else { |
|
647
|
|
|
$r = false; |
|
648
|
|
|
$pos = $delim_pos + 1; |
|
649
|
|
|
$proceed = 1; |
|
650
|
|
|
} |
|
651
|
53 |
|
} while ($proceed); |
|
652
|
53 |
|
if (false !== $r) { |
|
653
|
53 |
|
return [['value' => $r, 'type' => 'literal', 'sub_type' => $sub_type], $rest]; |
|
654
|
|
|
} |
|
655
|
|
|
|
|
656
|
|
|
return [0, $v]; |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
/* 67 */ |
|
660
|
|
|
|
|
661
|
98 |
|
protected function xIRIref($v) |
|
662
|
|
|
{ |
|
663
|
98 |
|
if ((list($r, $v) = $this->xIRI_REF($v)) && $r) { |
|
664
|
94 |
|
return [calcURI($r, $this->base), $v]; |
|
665
|
98 |
|
} elseif ((list($r, $v) = $this->xPrefixedName($v)) && $r) { |
|
666
|
29 |
|
return [$r, $v]; |
|
667
|
|
|
} |
|
668
|
|
|
|
|
669
|
97 |
|
return [0, $v]; |
|
670
|
|
|
} |
|
671
|
|
|
|
|
672
|
|
|
/* 68 */ |
|
673
|
|
|
|
|
674
|
98 |
|
protected function xPrefixedName($v) |
|
675
|
|
|
{ |
|
676
|
98 |
|
if ((list($r, $v) = $this->xPNAME_LN($v)) && $r) { |
|
677
|
29 |
|
return [$r, $v]; |
|
678
|
97 |
|
} elseif ((list($r, $sub_v) = $this->xPNAME_NS($v)) && $r) { |
|
679
|
8 |
|
return $this->namespaceHelper->hasPrefix($r) |
|
680
|
|
|
? [$this->namespaceHelper->getNamespace($r), $sub_v] |
|
681
|
8 |
|
: [0, $v]; |
|
682
|
|
|
} |
|
683
|
|
|
|
|
684
|
97 |
|
return [0, $v]; |
|
685
|
|
|
} |
|
686
|
|
|
|
|
687
|
|
|
/* 69.., 73.., 93, 94.. */ |
|
688
|
|
|
|
|
689
|
96 |
|
protected function xBlankNode($v) |
|
690
|
|
|
{ |
|
691
|
96 |
|
if (($r = $this->x('\_\:', $v)) && (list($r, $sub_v) = $this->xPN_LOCAL($r[1])) && $r) { |
|
692
|
5 |
|
return [['type' => 'bnode', 'value' => '_:'.$r], $sub_v]; |
|
693
|
|
|
} |
|
694
|
96 |
|
if ($r = $this->x('\[[\x20\x9\xd\xa]*\]', $v)) { |
|
695
|
|
|
return [['type' => 'bnode', 'value' => $this->createBnodeID()], $r[1]]; |
|
696
|
|
|
} |
|
697
|
|
|
|
|
698
|
96 |
|
return [0, $v]; |
|
699
|
|
|
} |
|
700
|
|
|
|
|
701
|
|
|
/* 70.. @@sync with SPARQLParser */ |
|
702
|
|
|
|
|
703
|
2 |
|
protected function xIRI_REF($v) |
|
704
|
|
|
{ |
|
705
|
|
|
//if ($r = $this->x('\<([^\<\>\"\{\}\|\^\'[:space:]]*)\>', $v)) { |
|
706
|
2 |
|
if (($r = $this->x('\<(\$\{[^\>]*\})\>', $v)) && ($sub_r = $this->xPlaceholder($r[1]))) { |
|
|
|
|
|
|
707
|
|
|
return [$r[1], $r[2]]; |
|
708
|
2 |
|
} elseif ($r = $this->x('\<\>', $v)) { |
|
709
|
|
|
return [true, $r[1]]; |
|
710
|
2 |
|
} elseif ($r = $this->x('\<([^\s][^\<\>]*)\>', $v)) { |
|
711
|
2 |
|
return [$r[1] ? $r[1] : true, $r[2]]; |
|
712
|
|
|
} |
|
713
|
|
|
|
|
714
|
2 |
|
return [0, $v]; |
|
715
|
|
|
} |
|
716
|
|
|
|
|
717
|
|
|
/* 71 */ |
|
718
|
|
|
|
|
719
|
98 |
|
protected function xPNAME_NS($v) |
|
720
|
|
|
{ |
|
721
|
98 |
|
list($r, $sub_v) = $this->xPN_PREFIX($v); |
|
722
|
98 |
|
$prefix = $r ?: ''; |
|
723
|
|
|
|
|
724
|
98 |
|
return ($r = $this->x("\:", $sub_v)) ? [$prefix.':', $r[1]] : [0, $v]; |
|
725
|
|
|
} |
|
726
|
|
|
|
|
727
|
|
|
/* 72 */ |
|
728
|
|
|
|
|
729
|
98 |
|
protected function xPNAME_LN($v) |
|
730
|
|
|
{ |
|
731
|
98 |
|
if ((list($r, $sub_v) = $this->xPNAME_NS($v)) && $r) { |
|
732
|
32 |
|
if (!$this->x('\s', $sub_v) && (list($sub_r, $sub_v) = $this->xPN_LOCAL($sub_v)) && $sub_r) { |
|
733
|
32 |
|
if (!$this->namespaceHelper->hasPrefix($r)) { |
|
734
|
8 |
|
return [0, $v]; |
|
735
|
|
|
} |
|
736
|
|
|
|
|
737
|
29 |
|
return [$this->namespaceHelper->getNamespace($r).$sub_r, $sub_v]; |
|
738
|
|
|
} |
|
739
|
|
|
} |
|
740
|
|
|
|
|
741
|
97 |
|
return [0, $v]; |
|
742
|
|
|
} |
|
743
|
|
|
|
|
744
|
|
|
/* 76 */ |
|
745
|
|
|
|
|
746
|
53 |
|
protected function xLANGTAG($v) |
|
747
|
|
|
{ |
|
748
|
53 |
|
if (!$this->x('\s', $v) && ($r = $this->x('\@([a-z]+(\-[a-z0-9]+)*)', $v))) { |
|
749
|
8 |
|
return [$r[1], $r[3]]; |
|
750
|
|
|
} |
|
751
|
|
|
|
|
752
|
52 |
|
return [0, $v]; |
|
753
|
|
|
} |
|
754
|
|
|
|
|
755
|
|
|
/* 77.. */ |
|
756
|
|
|
|
|
757
|
96 |
|
protected function xINTEGER($v) |
|
758
|
|
|
{ |
|
759
|
96 |
|
if ($r = $this->x('([0-9]+)', $v)) { |
|
760
|
21 |
|
return [$r[1], $r[2]]; |
|
761
|
|
|
} |
|
762
|
|
|
|
|
763
|
96 |
|
return [false, $v]; |
|
764
|
|
|
} |
|
765
|
|
|
|
|
766
|
|
|
/* 78.. */ |
|
767
|
|
|
|
|
768
|
96 |
|
protected function xDECIMAL($v) |
|
769
|
|
|
{ |
|
770
|
96 |
|
if ($r = $this->x('([0-9]+\.[0-9]*)', $v)) { |
|
771
|
9 |
|
return [$r[1], $r[2]]; |
|
772
|
|
|
} |
|
773
|
96 |
|
if ($r = $this->x('(\.[0-9]+)', $v)) { |
|
774
|
|
|
return [$r[1], $r[2]]; |
|
775
|
|
|
} |
|
776
|
|
|
|
|
777
|
96 |
|
return [false, $v]; |
|
778
|
|
|
} |
|
779
|
|
|
|
|
780
|
|
|
/* 79.., 86.. */ |
|
781
|
|
|
|
|
782
|
96 |
|
protected function xDOUBLE($v) |
|
783
|
|
|
{ |
|
784
|
96 |
|
if ($r = $this->x('([0-9]+\.[0-9]*E[\+\-]?[0-9]+)', $v)) { |
|
785
|
6 |
|
return [$r[1], $r[2]]; |
|
786
|
|
|
} |
|
787
|
96 |
|
if ($r = $this->x('(\.[0-9]+E[\+\-]?[0-9]+)', $v)) { |
|
788
|
|
|
return [$r[1], $r[2]]; |
|
789
|
|
|
} |
|
790
|
96 |
|
if ($r = $this->x('([0-9]+E[\+\-]?[0-9]+)', $v)) { |
|
791
|
6 |
|
return [$r[1], $r[2]]; |
|
792
|
|
|
} |
|
793
|
|
|
|
|
794
|
96 |
|
return [false, $v]; |
|
795
|
|
|
} |
|
796
|
|
|
|
|
797
|
|
|
/* 92 */ |
|
798
|
|
|
|
|
799
|
96 |
|
protected function xNIL($v) |
|
800
|
|
|
{ |
|
801
|
96 |
|
if ($r = $this->x('\([\x20\x9\xd\xa]*\)', $v)) { |
|
802
|
|
|
return [['type' => 'uri', 'value' => NamespaceHelper::NAMESPACE_RDF.'nil'], $r[1]]; |
|
803
|
|
|
} |
|
804
|
|
|
|
|
805
|
96 |
|
return [0, $v]; |
|
806
|
|
|
} |
|
807
|
|
|
|
|
808
|
|
|
/* 95.. */ |
|
809
|
|
|
|
|
810
|
97 |
|
protected function xPN_CHARS_BASE($v) |
|
811
|
|
|
{ |
|
812
|
97 |
|
if ($r = $this->x("([a-z]+|\\\u[0-9a-f]{1,4})", $v)) { |
|
813
|
93 |
|
return [$r[1], $r[2]]; |
|
814
|
|
|
} |
|
815
|
|
|
|
|
816
|
97 |
|
return [0, $v]; |
|
817
|
|
|
} |
|
818
|
|
|
|
|
819
|
|
|
/* 96 */ |
|
820
|
|
|
|
|
821
|
93 |
|
protected function xPN_CHARS_U($v) |
|
822
|
|
|
{ |
|
823
|
93 |
|
if ((list($r, $sub_v) = $this->xPN_CHARS_BASE($v)) && $r) { |
|
824
|
93 |
|
return [$r, $sub_v]; |
|
825
|
93 |
|
} elseif ($r = $this->x('(_)', $v)) { |
|
826
|
1 |
|
return [$r[1], $r[2]]; |
|
827
|
|
|
} |
|
828
|
|
|
|
|
829
|
93 |
|
return [0, $v]; |
|
830
|
|
|
} |
|
831
|
|
|
|
|
832
|
|
|
/* 97.. */ |
|
833
|
|
|
|
|
834
|
92 |
|
protected function xVARNAME($v) |
|
835
|
|
|
{ |
|
836
|
92 |
|
$r = ''; |
|
837
|
|
|
do { |
|
838
|
92 |
|
$proceed = 0; |
|
839
|
92 |
|
if ($sub_r = $this->x('([0-9]+)', $v)) { |
|
840
|
3 |
|
$r .= $sub_r[1]; |
|
841
|
3 |
|
$v = $sub_r[2]; |
|
842
|
3 |
|
$proceed = 1; |
|
843
|
92 |
|
} elseif ((list($sub_r, $sub_v) = $this->xPN_CHARS_U($v)) && $sub_r) { |
|
844
|
92 |
|
$r .= $sub_r; |
|
845
|
92 |
|
$v = $sub_v; |
|
846
|
92 |
|
$proceed = 1; |
|
847
|
92 |
|
} elseif ($r && ($sub_r = $this->x('([\xb7\x300-\x36f]+)', $v))) { |
|
848
|
|
|
$r .= $sub_r[1]; |
|
849
|
|
|
$v = $sub_r[2]; |
|
850
|
|
|
$proceed = 1; |
|
851
|
|
|
} |
|
852
|
92 |
|
} while ($proceed); |
|
853
|
|
|
|
|
854
|
92 |
|
return [$r, $v]; |
|
855
|
|
|
} |
|
856
|
|
|
|
|
857
|
|
|
/* 98.. */ |
|
858
|
|
|
|
|
859
|
6 |
|
protected function xPN_CHARS($v) |
|
860
|
|
|
{ |
|
861
|
6 |
|
if ((list($r, $sub_v) = $this->xPN_CHARS_U($v)) && $r) { |
|
862
|
|
|
return [$r, $sub_v]; |
|
863
|
6 |
|
} elseif ($r = $this->x('([\-0-9\xb7\x300-\x36f])', $v)) { |
|
864
|
|
|
return [$r[1], $r[2]]; |
|
865
|
|
|
} |
|
866
|
|
|
|
|
867
|
6 |
|
return [false, $v]; |
|
868
|
|
|
} |
|
869
|
|
|
|
|
870
|
|
|
/* 99 */ |
|
871
|
|
|
|
|
872
|
98 |
|
protected function xPN_PREFIX($v) |
|
873
|
|
|
{ |
|
874
|
98 |
|
if ($sub_r = $this->x("([^\s\:\(\)\{\}\;\,]+)", $v, 's')) {/* accelerator */ |
|
875
|
77 |
|
return [$sub_r[1], $sub_r[2]]; /* @@testing */ |
|
876
|
|
|
} |
|
877
|
97 |
|
if ((list($r, $sub_v) = $this->xPN_CHARS_BASE($v)) && $r) { |
|
878
|
|
|
do { |
|
879
|
|
|
$proceed = 0; |
|
880
|
|
|
list($sub_r, $sub_v) = $this->xPN_CHARS($sub_v); |
|
881
|
|
|
if (false !== $sub_r) { |
|
882
|
|
|
$r .= $sub_r; |
|
883
|
|
|
$proceed = 1; |
|
884
|
|
|
} elseif ($sub_r = $this->x("\.", $sub_v)) { |
|
885
|
|
|
$r .= '.'; |
|
886
|
|
|
$sub_v = $sub_r[1]; |
|
887
|
|
|
$proceed = 1; |
|
888
|
|
|
} |
|
889
|
|
|
} while ($proceed); |
|
890
|
|
|
list($sub_r, $sub_v) = $this->xPN_CHARS($sub_v); |
|
891
|
|
|
$r .= $sub_r ?: ''; |
|
892
|
|
|
} |
|
893
|
|
|
|
|
894
|
97 |
|
return [$r, $sub_v]; |
|
895
|
|
|
} |
|
896
|
|
|
|
|
897
|
|
|
/* 100 */ |
|
898
|
|
|
|
|
899
|
32 |
|
protected function xPN_LOCAL($v) |
|
900
|
|
|
{ |
|
901
|
32 |
|
if (($sub_r = $this->x("([^\s\(\)\{\}\[\]\;\,\.]+)", $v, 's')) && !preg_match('/^\./', $sub_r[2])) {/* accelerator */ |
|
902
|
32 |
|
return [$sub_r[1], $sub_r[2]]; /* @@testing */ |
|
903
|
|
|
} |
|
904
|
6 |
|
$r = ''; |
|
905
|
6 |
|
$sub_v = $v; |
|
906
|
|
|
do { |
|
907
|
6 |
|
$proceed = 0; |
|
908
|
6 |
|
if ($this->x('\s', $sub_v)) { |
|
909
|
|
|
return [$r, $sub_v]; |
|
910
|
|
|
} |
|
911
|
6 |
|
if ($sub_r = $this->x('([0-9])', $sub_v)) { |
|
912
|
6 |
|
$r .= $sub_r[1]; |
|
913
|
6 |
|
$sub_v = $sub_r[2]; |
|
914
|
6 |
|
$proceed = 1; |
|
915
|
6 |
|
} elseif ((list($sub_r, $sub_v) = $this->xPN_CHARS_U($sub_v)) && $sub_r) { |
|
916
|
6 |
|
$r .= $sub_r; |
|
917
|
6 |
|
$proceed = 1; |
|
918
|
6 |
|
} elseif ($r) { |
|
919
|
6 |
|
if (($sub_r = $this->x('(\.)', $sub_v)) && !preg_match('/^[\s\}]/s', $sub_r[2])) { |
|
920
|
|
|
$r .= $sub_r[1]; |
|
921
|
|
|
$sub_v = $sub_r[2]; |
|
922
|
|
|
} |
|
923
|
6 |
|
if ((list($sub_r, $sub_v) = $this->xPN_CHARS($sub_v)) && $sub_r) { |
|
924
|
|
|
$r .= $sub_r; |
|
925
|
|
|
$proceed = 1; |
|
926
|
|
|
} |
|
927
|
|
|
} |
|
928
|
6 |
|
} while ($proceed); |
|
929
|
|
|
|
|
930
|
6 |
|
return [$r, $sub_v]; |
|
931
|
|
|
} |
|
932
|
|
|
|
|
933
|
53 |
|
protected function unescapeNtripleUTF($v) |
|
934
|
|
|
{ |
|
935
|
53 |
|
if (false === strpos($v, '\\')) { |
|
936
|
53 |
|
return $v; |
|
937
|
|
|
} |
|
938
|
|
|
$mappings = ['t' => "\t", 'n' => "\n", 'r' => "\r", '\"' => '"', '\'' => "'"]; |
|
939
|
|
|
foreach ($mappings as $in => $out) { |
|
940
|
|
|
$v = preg_replace('/\x5c(['.$in.'])/', $out, $v); |
|
941
|
|
|
} |
|
942
|
|
|
if (false === strpos(strtolower($v), '\u')) { |
|
943
|
|
|
return $v; |
|
944
|
|
|
} |
|
945
|
|
|
while (preg_match('/\\\(U)([0-9A-F]{8})/', $v, $m) || preg_match('/\\\(u)([0-9A-F]{4})/', $v, $m)) { |
|
946
|
|
|
$no = hexdec($m[2]); |
|
947
|
|
|
if ($no < 128) { |
|
948
|
|
|
$char = \chr($no); |
|
|
|
|
|
|
949
|
|
|
} elseif ($no < 2048) { |
|
950
|
|
|
$char = \chr(($no >> 6) + 192).\chr(($no & 63) + 128); |
|
951
|
|
|
} elseif ($no < 65536) { |
|
952
|
|
|
$char = \chr(($no >> 12) + 224).\chr((($no >> 6) & 63) + 128).\chr(($no & 63) + 128); |
|
953
|
|
|
} elseif ($no < 2097152) { |
|
954
|
|
|
$char = \chr(($no >> 18) + 240).\chr((($no >> 12) & 63) + 128).\chr((($no >> 6) & 63) + 128).\chr(($no & 63) + 128); |
|
955
|
|
|
} else { |
|
956
|
|
|
$char = ''; |
|
957
|
|
|
} |
|
958
|
|
|
$v = str_replace('\\'.$m[1].$m[2], $char, $v); |
|
959
|
|
|
} |
|
960
|
|
|
|
|
961
|
|
|
return $v; |
|
962
|
|
|
} |
|
963
|
|
|
|
|
964
|
96 |
|
protected function xPlaceholder($v) |
|
965
|
|
|
{ |
|
966
|
|
|
//if ($r = $this->x('(\?|\$)\{([^\}]+)\}', $v)) { |
|
967
|
96 |
|
if ($r = $this->x('(\?|\$)', $v)) { |
|
968
|
|
|
if (preg_match('/(\{(?:[^{}]+|(?R))*\})/', $r[2], $m) && 0 === strpos(trim($r[2]), $m[1])) { |
|
969
|
|
|
$ph = substr($m[1], 1, -1); |
|
970
|
|
|
$rest = substr(trim($r[2]), \strlen($m[1])); |
|
971
|
|
|
if (!isset($this->r['placeholders'])) { |
|
972
|
|
|
$this->r['placeholders'] = []; |
|
973
|
|
|
} |
|
974
|
|
|
if (!\in_array($ph, $this->r['placeholders'])) { |
|
975
|
|
|
$this->r['placeholders'][] = $ph; |
|
976
|
|
|
} |
|
977
|
|
|
|
|
978
|
|
|
return [['value' => $ph, 'type' => 'placeholder'], $rest]; |
|
979
|
|
|
} |
|
980
|
|
|
} |
|
981
|
|
|
|
|
982
|
96 |
|
return [0, $v]; |
|
983
|
|
|
} |
|
984
|
|
|
} |
|
985
|
|
|
|
sweetrdf /
in-memory-store-sqlite
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