ARC2_RdfaExtractor::xCURIE() - Code Metrics - Enalean/tuleap - Measure and Improve Code Quality continuously with Scrutinizer

ARC2_RdfaExtractor::xCURIE() A
last analyzed 2016-01-22 17:23 UTC

↳ Parent: ARC2_RdfaExtractor

Complexity

Conditions	4
Paths	4

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Metric	Value
dl	0
loc	9
rs	9.2
cc	4
eloc	6
nc	4
nop	3

<?php
/*
homepage: http://arc.semsol.org/
license:  http://arc.semsol.org/license

class:    ARC2 RDFa Extractor
author:   Benjamin Nowack
version:  2009-05-29 (Fix: CURIEs support DOTs now)
*/

ARC2::inc('RDFExtractor');

class ARC2_RdfaExtractor extends ARC2_RDFExtractor {

  function __construct($a = '', &$caller) {
    parent::__construct($a, $caller);
  }
  
  function ARC2_RdfaExtractor($a = '', &$caller) {
    $this->__construct($a, $caller);
  }

  function __init() {
    parent::__init();
  }

  /*  */
  
  function extractRDF() {
    //echo '<pre>' . htmlspecialchars(print_r($this->nodes, 1)) . '</pre>';
    if (!isset($this->caller->detected_formats['rdfa'])) return 0;
    $root_node = $this->getRootNode();
    //$base = $this->v('xml:base', $this->getDocBase(), $root_node['a']);
    $base = $this->getDocBase();
    $context = array(
      'base' => $base,
      'p_s' => $base,
      'p_o' => '',
      'ns' => array(),
      'inco_ts' => array(),
      'lang' => '',
    );
    $this->processNode($root_node, $context, 0);
  }
  
  /*  */
  
  function getRootNode() {
    foreach ($this->nodes as $id => $node) {
      if ($node['tag'] == 'html') {
        return $node;
      }
    }
    return $this->nodes[0];
  }
  
  /*  */

  function processNode($n, $ct, $level) {
    if ($n['tag']=='cdata' || $n['tag']=='comment') return null; /* patch by tobyink */
    $ts_added = 0;
    /* step 1 */
    $lct = array();
    $lct['prev_s'] = $this->v('prev_s', $this->v('p_s', '', $ct), $ct);
    $lct['recurse'] = 1;
    $lct['skip'] = 0;
    $lct['new_s'] = '';
    $lct['cur_o_res'] = '';
    $lct['inco_ts'] = array();
    $lct['base'] = $ct['base'];
    //$lct['base'] = $this->v('xml:base', $ct['base'], $n['a']);
    /* step 2 */
    $lct['ns'] = array_merge($ct['ns'], $this->v('xmlns', array(), $n['a']));
    /* step 3 */
    $lct['lang'] = $this->v('xml:lang', $ct['lang'], $n['a']);
    /* step 4 */
    $rel_uris = $this->getAttributeURIs($n, $ct, $lct, 'rel');
    $rev_uris = $this->getAttributeURIs($n, $ct, $lct, 'rev');
    if (!$rel_uris && !$rev_uris) {

      foreach (array('about', 'src', 'resource', 'href') as $attr) {
        if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
          $lct['new_s'] = $uri;
          break;
        }
      }
      if (!$lct['new_s']) {
        if (preg_match('/(head|body)/i', $n['tag'])) {
          $lct['new_s'] = $lct['base'];
        }
        elseif ($this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
          $lct['new_s'] = $this->createBnodeID();
        }
        elseif ($ct['p_o']) {
          $lct['new_s'] = $ct['p_o'];
          //$lct['skip'] = 1;
          if(!isset($n['a']['property'])) $lct['skip'] = 1;/* patch by masaka */
        }
      }
    }
    /* step 5 */
    else {
      foreach (array('about', 'src') as $attr) {
        if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
          $lct['new_s'] = $uri;
          break;
        }
      }
      if (!$lct['new_s']) {
        if (preg_match('/(head|body)/i', $n['tag'])) {
          $lct['new_s'] = $lct['base'];
        }
        elseif ($this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
          $lct['new_s'] = $this->createBnodeID();
        }
        elseif ($ct['p_o']) {
          $lct['new_s'] = $ct['p_o'];
        }
      }
      foreach (array('resource', 'href') as $attr) {
        if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
          $lct['cur_o_res'] = $uri;
          break;
        }
      }
    }
    /* step 6 */
    if ($lct['new_s']) {
      if ($uris = $this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
        foreach ($uris as $uri) {
          $this->addT(array(
            's' => $lct['new_s'],
            's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
            'p' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 
            'o' => $uri,
            'o_type' => 'uri',
            'o_lang' => '',
            'o_datatype' => '',
          ));
          $ts_added = 1;
        }
      }
      /* step 7 */
      if ($lct['cur_o_res']) {
        if ($rel_uris) {

          foreach ($rel_uris as $uri) {
            $this->addT(array(
              's' => $lct['new_s'],
              's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
              'p' => $uri, 
              'o' => $lct['cur_o_res'],
              'o_type' => preg_match('/^\_\:/', $lct['cur_o_res']) ? 'bnode' : 'uri',
              'o_lang' => '',
              'o_datatype' => '',
            ));
            $ts_added = 1;
          }
        }
        if ($rev_uris) {

          foreach ($rev_uris as $uri) {
            $this->addT(array(
              's' => $lct['cur_o_res'],
              's_type' => preg_match('/^\_\:/', $lct['cur_o_res']) ? 'bnode' : 'uri',
              'p' => $uri, 
              'o' => $lct['new_s'],
              'o_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
              'o_lang' => '',
              'o_datatype' => '',
            ));
            $ts_added = 1;
          }
        }
      }
    }
    /* step 8 */
    if (!$lct['cur_o_res']) {
      if ($rel_uris || $rev_uris) {

        $lct['cur_o_res'] = $this->createBnodeID();
        foreach ($rel_uris as $uri) {
          $lct['inco_ts'][] = array('p' => $uri, 'dir' => 'fwd');
        }
        foreach ($rev_uris as $uri) {
          $lct['inco_ts'][] = array('p' => $uri, 'dir' => 'rev');
        }
      }
    }
    /* step 10 */
    if (!$lct['skip'] && ($new_s = $lct['new_s'])) {
    //if ($new_s = $lct['new_s']) {
      if ($uris = $this->getAttributeURIs($n, $ct, $lct, 'property')) {
        foreach ($uris as $uri) {
          $lct['cur_o_lit'] = $this->getCurrentObjectLiteral($n, $lct, $ct);
          $this->addT(array(
            's' => $lct['new_s'],
            's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
            'p' => $uri, 
            'o' => $lct['cur_o_lit']['value'],
            'o_type' => 'literal',
            'o_lang' => $lct['cur_o_lit']['lang'],
            'o_datatype' => $lct['cur_o_lit']['datatype'],
          ));
          $ts_added = 1;
          if ($lct['cur_o_lit']['datatype'] == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') {
            $lct['recurse'] = 0;
          }
        }
      }
    }
    /* step 11 (10) */
    $complete_triples = 0;
    if ($lct['recurse']) {
      if ($lct['skip']) {
        $new_ct = array_merge($ct, array('base' => $lct['base'], 'lang' => $lct['lang'], 'ns' => $lct['ns']));
      }
      else {
        $new_ct = array(
          'base' => $lct['base'],
          'p_s' => $lct['new_s'] ? $lct['new_s'] : $ct['p_s'],
          'p_o' => $lct['cur_o_res'] ? $lct['cur_o_res'] : ($lct['new_s'] ? $lct['new_s'] : $ct['p_s']),
          'ns' => $lct['ns'],
          'inco_ts' => $lct['inco_ts'],
          'lang' => $lct['lang']
        );
      }
      $sub_nodes = $this->getSubNodes($n);
      foreach ($sub_nodes as $sub_node) {
        if ($this->processNode($sub_node, $new_ct, $level+1)) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
          $complete_triples = 1;
        }
      }
    }
    /* step 12 (11) */
    $other = 0;
    if ($ts_added || $complete_triples || ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])) || ($other == 1)) {
    //if (!$lct['skip'] && ($complete_triples || ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])))) {
      foreach ($ct['inco_ts'] as $inco_t) {
        if ($inco_t['dir'] == 'fwd') {
          $this->addT(array(
            's' => $ct['p_s'],
            's_type' => preg_match('/^\_\:/', $ct['p_s']) ? 'bnode' : 'uri',
            'p' => $inco_t['p'],
            'o' => $lct['new_s'],
            'o_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
            'o_lang' => '',
            'o_datatype' => '',
          ));
        }
        elseif ($inco_t['dir'] == 'rev') {
          $this->addT(array(
            's' => $lct['new_s'],
            's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
            'p' => $inco_t['p'], 
            'o' => $ct['p_s'],
            'o_type' => preg_match('/^\_\:/', $ct['p_s']) ? 'bnode' : 'uri',
            'o_lang' => '',
            'o_datatype' => '',
          ));
        }
      }
    }
    /* step 13 (12) (result flag) */
    if ($ts_added) return 1;
    if ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])) return 1;
    if ($complete_triples) return 1;
    return 0;
  }
  
  /*  */

  function getAttributeURIs($n, $ct, $lct, $attr) {
    $vals = ($val = $this->v($attr, '', $n['a'])) ? explode(' ', $val) : array();
    $r = array();
    foreach ($vals as $val) {
      if(!trim($val)) continue;
      if ((list($uri, $sub_v) = $this->xURI(trim($val), $lct['base'], $lct['ns'], $attr, $lct)) && $uri) {
        $r[] = $uri;
      }
    }
    return $r;
  }
  
  /*  */

  function getCurrentObjectLiteral($n, $lct, $ct) {
    $xml_val = $this->getContent($n);
    $plain_val = $this->getPlainContent($n, 0, 0);
    if (function_exists('html_entity_decode')) {
      $plain_val = html_entity_decode($plain_val, ENT_QUOTES);
    }
    $dt = $this->v('datatype', '', $n['a']);
    list($dt_uri, $sub_v) = $this->xURI($dt, $lct['base'], $lct['ns'], '', $lct);
<?php

function returnThreeValues() {
    return array('a', 'b', 'c');
}

list($a, $b, $c) = returnThreeValues();

print $a . " - " . $c;
    $dt = $dt ? $dt_uri : $dt;
    $r = array('value' => '', 'lang' => $lct['lang'], 'datatype' => $dt);
    if (isset($n['a']['content'])) {
      $r['value'] = $n['a']['content'];
      if (function_exists('html_entity_decode')) {
        $r['value'] = html_entity_decode($r['value'], ENT_QUOTES);
      }
    }
    elseif ($xml_val == $plain_val) {
      $r['value'] = $plain_val;
    }
    elseif (!preg_match('/[\<\>]/', $xml_val)) {
      $r['value'] = $xml_val;
    }
    elseif (isset($n['a']['datatype']) && ($dt != 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral')) {
      $r['value'] = $plain_val;
    }
    elseif (!isset($n['a']['datatype']) || ($dt == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral')) {
      $r['value'] = $this->injectXMLDeclarations($xml_val, $lct['ns'], $lct['lang']);
      $r['datatype'] = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral';
    }
    return $r;
  }
  
  function injectXMLDeclarations($val, $ns, $lang) {//@@todo proper node rebuilding */
    $lang_code = $lang ? ' xml:lang="' . $lang . '"' : '';
    /* ns */
    $val = preg_replace('/<([a-z0-9]+)([\>\s])/is', '<\\1 xmlns="http://www.w3.org/1999/xhtml"' . $lang_code . '\\2', $val);
    foreach ($ns as $prefix => $uri) {
      if ($prefix && ($pos = strpos(' ' . $val, '<' . $prefix . ':'))) {
        $val = substr($val, 0, $pos - 1) . preg_replace('/^(<' . $prefix . '\:[^\>\s]+)/', '\\1 xmlns:' . $prefix. '="' . $uri . '"' . $lang_code, substr($val, $pos - 1));
      }
    }
    /* remove accidentally added xml:lang and xmlns= */
    $val = preg_replace('/(\<[^\>]*)( xml\:lang[^\s\>]+)([^\>]*)(xml\:lang[^\s\>]+)/s', '\\1\\3\\4', $val);
    $val = preg_replace('/(\<[^\>]*)( xmlns=[^\s\>]+)([^\>]*)(xmlns=[^\s\>]+)/s', '\\1\\3\\4', $val);
    return $val;
  }
  
  /*  */
  
  function xURI($v, $base, $ns, $attr_type = '', $lct = '') {
    if ((list($sub_r, $sub_v) = $this->xBlankCURIE($v, $base, $ns)) && $sub_r) {
      return array($sub_r, $sub_v);
    }
    if ((list($sub_r, $sub_v) = $this->xSafeCURIE($v, $base, $ns, $lct)) && $sub_r) {
      return array($sub_r, $sub_v);
    }
    if ((list($sub_r, $sub_v) = $this->xCURIE($v, $base, $ns)) && $sub_r) {
      return array($sub_r, $sub_v);
    }
    if (preg_match('/^(rel|rev)$/', $attr_type) && preg_match('/^\s*(alternate|appendix|bookmark|cite|chapter|contents|copyright|glossary|help|icon|index|last|license|meta|next|p3pv1|prev|role|section|stylesheet|subsection|start|up)(\s|$)/is', $v, $m)) {
      return array('http://www.w3.org/1999/xhtml/vocab#' . strtolower($m[1]), preg_replace('/^\s*' . $m[1]. '/is', '', $v));
    }
    if (preg_match('/^(rel|rev)$/', $attr_type) && preg_match('/^[a-z0-9\.]+$/i', $v)) {
      return array(0, $v);
    }
    return array($this->calcURI($v, $base), '');
  }
  
  function xBlankCURIE($v, $base, $ns) {
    if ($sub_r = $this->x('\[\_\:\]', $v)) {
      $this->empty_bnode = isset($this->empty_bnode) ? $this->empty_bnode : $this->createBnodeID();
      return array($this->empty_bnode, '');
    }
    if ($sub_r = $this->x('\[?(\_\:[a-z0-9\_\-]+)\]?', $v)) {
      return array($sub_r[1], '');
    }
    return array(0, $v);
  }
  
  function xSafeCURIE($v, $base, $ns, $lct = '') {
    /* empty */
    if ($sub_r = $this->x('\[\]', $v)) {
      $r = $lct ? $lct['prev_s'] : $base;/* should be current subject value */
      return $sub_r[1] ? array($r, $sub_r[1]) : array($r, '');
    }
    if ($sub_r = $this->x('\[([^\:]*)\:([^\]]*)\]', $v)) {
      if (!$sub_r[1]) return array('http://www.w3.org/1999/xhtml/vocab#' . $sub_r[2], '');
      if (isset($ns[$sub_r[1]])) {
        return array($ns[$sub_r[1]] . $sub_r[2], '');
      }
    }
    return array(0, $v);
  }
  
  function xCURIE($v, $base, $ns) {
    if ($sub_r = $this->x('([a-z0-9\-\_]*)\:([^\s]+)', $v)) {
      if (!$sub_r[1]) return array('http://www.w3.org/1999/xhtml/vocab#' . $sub_r[2], '');
      if (isset($ns[$sub_r[1]])) {
        return array($ns[$sub_r[1]] . $sub_r[2], '');
      }
    }
    return array(0, $v);
  }
  
  /*  */

}


1			<?php
2			/*
3			homepage: http://arc.semsol.org/
4			license: http://arc.semsol.org/license
5
6			class: ARC2 RDFa Extractor
7			author: Benjamin Nowack
8			version: 2009-05-29 (Fix: CURIEs support DOTs now)
9			*/
10
11			ARC2::inc('RDFExtractor');
12
13			class ARC2_RdfaExtractor extends ARC2_RDFExtractor {
14
15			function __construct($a = '', &$caller) {
16			parent::__construct($a, $caller);
17			}
18
19			function ARC2_RdfaExtractor($a = '', &$caller) {
20			$this->__construct($a, $caller);
21			}
22
23			function __init() {
24			parent::__init();
25			}
26
27			/* */
28
29			function extractRDF() {
30			//echo '<pre>' . htmlspecialchars(print_r($this->nodes, 1)) . '</pre>';
31			if (!isset($this->caller->detected_formats['rdfa'])) return 0;
32			$root_node = $this->getRootNode();
33			//$base = $this->v('xml:base', $this->getDocBase(), $root_node['a']);
34			$base = $this->getDocBase();
35			$context = array(
36			'base' => $base,
37			'p_s' => $base,
38			'p_o' => '',
39			'ns' => array(),
40			'inco_ts' => array(),
41			'lang' => '',
42			);
43			$this->processNode($root_node, $context, 0);
44			}
45
46			/* */
47
48			function getRootNode() {
49			foreach ($this->nodes as $id => $node) {
50			if ($node['tag'] == 'html') {
51			return $node;
52			}
53			}
54			return $this->nodes[0];
55			}
56
57			/* */
58
59			function processNode($n, $ct, $level) {
60			if ($n['tag']=='cdata' \|\| $n['tag']=='comment') return null; /* patch by tobyink */
61			$ts_added = 0;
62			/* step 1 */
63			$lct = array();
64			$lct['prev_s'] = $this->v('prev_s', $this->v('p_s', '', $ct), $ct);
65			$lct['recurse'] = 1;
66			$lct['skip'] = 0;
67			$lct['new_s'] = '';
68			$lct['cur_o_res'] = '';
69			$lct['inco_ts'] = array();
70			$lct['base'] = $ct['base'];
71			//$lct['base'] = $this->v('xml:base', $ct['base'], $n['a']);
72			/* step 2 */
73			$lct['ns'] = array_merge($ct['ns'], $this->v('xmlns', array(), $n['a']));
74			/* step 3 */
75			$lct['lang'] = $this->v('xml:lang', $ct['lang'], $n['a']);
76			/* step 4 */
77			$rel_uris = $this->getAttributeURIs($n, $ct, $lct, 'rel');
78			$rev_uris = $this->getAttributeURIs($n, $ct, $lct, 'rev');
79			if (!$rel_uris && !$rev_uris) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rel_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history... Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rev_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
80			foreach (array('about', 'src', 'resource', 'href') as $attr) {
81			if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
82			$lct['new_s'] = $uri;
83			break;
84			}
85			}
86			if (!$lct['new_s']) {
87			if (preg_match('/(head\|body)/i', $n['tag'])) {
88			$lct['new_s'] = $lct['base'];
89			}
90			elseif ($this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
91			$lct['new_s'] = $this->createBnodeID();
92			}
93			elseif ($ct['p_o']) {
94			$lct['new_s'] = $ct['p_o'];
95			//$lct['skip'] = 1;
96			if(!isset($n['a']['property'])) $lct['skip'] = 1;/* patch by masaka */
97			}
98			}
99			}
100			/* step 5 */
101			else {
102			foreach (array('about', 'src') as $attr) {
103			if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
104			$lct['new_s'] = $uri;
105			break;
106			}
107			}
108			if (!$lct['new_s']) {
109			if (preg_match('/(head\|body)/i', $n['tag'])) {
110			$lct['new_s'] = $lct['base'];
111			}
112			elseif ($this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
113			$lct['new_s'] = $this->createBnodeID();
114			}
115			elseif ($ct['p_o']) {
116			$lct['new_s'] = $ct['p_o'];
117			}
118			}
119			foreach (array('resource', 'href') as $attr) {
120			if (isset($n['a'][$attr]) && (list($uri, $sub_v) = $this->xURI($n['a'][$attr], $lct['base'], $lct['ns'], '', $lct)) && $uri) {
121			$lct['cur_o_res'] = $uri;
122			break;
123			}
124			}
125			}
126			/* step 6 */
127			if ($lct['new_s']) {
128			if ($uris = $this->getAttributeURIs($n, $ct, $lct, 'typeof')) {
129			foreach ($uris as $uri) {
130			$this->addT(array(
131			's' => $lct['new_s'],
132			's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
133			'p' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type',
134			'o' => $uri,
135			'o_type' => 'uri',
136			'o_lang' => '',
137			'o_datatype' => '',
138			));
139			$ts_added = 1;
140			}
141			}
142			/* step 7 */
143			if ($lct['cur_o_res']) {
144			if ($rel_uris) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rel_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
145			foreach ($rel_uris as $uri) {
146			$this->addT(array(
147			's' => $lct['new_s'],
148			's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
149			'p' => $uri,
150			'o' => $lct['cur_o_res'],
151			'o_type' => preg_match('/^\_\:/', $lct['cur_o_res']) ? 'bnode' : 'uri',
152			'o_lang' => '',
153			'o_datatype' => '',
154			));
155			$ts_added = 1;
156			}
157			}
158			if ($rev_uris) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rev_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
159			foreach ($rev_uris as $uri) {
160			$this->addT(array(
161			's' => $lct['cur_o_res'],
162			's_type' => preg_match('/^\_\:/', $lct['cur_o_res']) ? 'bnode' : 'uri',
163			'p' => $uri,
164			'o' => $lct['new_s'],
165			'o_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
166			'o_lang' => '',
167			'o_datatype' => '',
168			));
169			$ts_added = 1;
170			}
171			}
172			}
173			}
174			/* step 8 */
175			if (!$lct['cur_o_res']) {
176			if ($rel_uris \|\| $rev_uris) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rel_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history... Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$rev_uris` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
177			$lct['cur_o_res'] = $this->createBnodeID();
178			foreach ($rel_uris as $uri) {
179			$lct['inco_ts'][] = array('p' => $uri, 'dir' => 'fwd');
180			}
181			foreach ($rev_uris as $uri) {
182			$lct['inco_ts'][] = array('p' => $uri, 'dir' => 'rev');
183			}
184			}
185			}
186			/* step 10 */
187			if (!$lct['skip'] && ($new_s = $lct['new_s'])) {
188			//if ($new_s = $lct['new_s']) {
189			if ($uris = $this->getAttributeURIs($n, $ct, $lct, 'property')) {
190			foreach ($uris as $uri) {
191			$lct['cur_o_lit'] = $this->getCurrentObjectLiteral($n, $lct, $ct);
192			$this->addT(array(
193			's' => $lct['new_s'],
194			's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
195			'p' => $uri,
196			'o' => $lct['cur_o_lit']['value'],
197			'o_type' => 'literal',
198			'o_lang' => $lct['cur_o_lit']['lang'],
199			'o_datatype' => $lct['cur_o_lit']['datatype'],
200			));
201			$ts_added = 1;
202			if ($lct['cur_o_lit']['datatype'] == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') {
203			$lct['recurse'] = 0;
204			}
205			}
206			}
207			}
208			/* step 11 (10) */
209			$complete_triples = 0;
210			if ($lct['recurse']) {
211			if ($lct['skip']) {
212			$new_ct = array_merge($ct, array('base' => $lct['base'], 'lang' => $lct['lang'], 'ns' => $lct['ns']));
213			}
214			else {
215			$new_ct = array(
216			'base' => $lct['base'],
217			'p_s' => $lct['new_s'] ? $lct['new_s'] : $ct['p_s'],
218			'p_o' => $lct['cur_o_res'] ? $lct['cur_o_res'] : ($lct['new_s'] ? $lct['new_s'] : $ct['p_s']),
219			'ns' => $lct['ns'],
220			'inco_ts' => $lct['inco_ts'],
221			'lang' => $lct['lang']
222			);
223			}
224			$sub_nodes = $this->getSubNodes($n);
225			foreach ($sub_nodes as $sub_node) {
226			if ($this->processNode($sub_node, $new_ct, $level+1)) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The expression `$this->processNode($sub_...e, $new_ct, $level + 1)` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
227			$complete_triples = 1;
228			}
229			}
230			}
231			/* step 12 (11) */
232			$other = 0;
233			if ($ts_added \|\| $complete_triples \|\| ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])) \|\| ($other == 1)) {
234			//if (!$lct['skip'] && ($complete_triples \|\| ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])))) {
235			foreach ($ct['inco_ts'] as $inco_t) {
236			if ($inco_t['dir'] == 'fwd') {
237			$this->addT(array(
238			's' => $ct['p_s'],
239			's_type' => preg_match('/^\_\:/', $ct['p_s']) ? 'bnode' : 'uri',
240			'p' => $inco_t['p'],
241			'o' => $lct['new_s'],
242			'o_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
243			'o_lang' => '',
244			'o_datatype' => '',
245			));
246			}
247			elseif ($inco_t['dir'] == 'rev') {
248			$this->addT(array(
249			's' => $lct['new_s'],
250			's_type' => preg_match('/^\_\:/', $lct['new_s']) ? 'bnode' : 'uri',
251			'p' => $inco_t['p'],
252			'o' => $ct['p_s'],
253			'o_type' => preg_match('/^\_\:/', $ct['p_s']) ? 'bnode' : 'uri',
254			'o_lang' => '',
255			'o_datatype' => '',
256			));
257			}
258			}
259			}
260			/* step 13 (12) (result flag) */
261			if ($ts_added) return 1;
262			if ($lct['new_s'] && !preg_match('/^\_\:/', $lct['new_s'])) return 1;
263			if ($complete_triples) return 1;
264			return 0;
265			}
266
267			/* */
268
269			function getAttributeURIs($n, $ct, $lct, $attr) {
270			$vals = ($val = $this->v($attr, '', $n['a'])) ? explode(' ', $val) : array();
271			$r = array();
272			foreach ($vals as $val) {
273			if(!trim($val)) continue;
274			if ((list($uri, $sub_v) = $this->xURI(trim($val), $lct['base'], $lct['ns'], $attr, $lct)) && $uri) {
275			$r[] = $uri;
276			}
277			}
278			return $r;
279			}
280
281			/* */
282
283			function getCurrentObjectLiteral($n, $lct, $ct) {
284			$xml_val = $this->getContent($n);
285			$plain_val = $this->getPlainContent($n, 0, 0);
286			if (function_exists('html_entity_decode')) {
287			$plain_val = html_entity_decode($plain_val, ENT_QUOTES);
288			}
289			$dt = $this->v('datatype', '', $n['a']);
290			list($dt_uri, $sub_v) = $this->xURI($dt, $lct['base'], $lct['ns'], '', $lct);
			0 ignored issues – show Unused Code introduced 2015-12-16 20:30 UTC by Report Bug Copy Issue Report The assignment to `$sub_v` is unused. Consider omitting it like so `list($first,,$third)`. This checks looks for assignemnts to variables using the `list(...)` function, where not all assigned variables are subsequently used. Consider the following code example. <?php function returnThreeValues() { return array('a', 'b', 'c'); } list($a, $b, $c) = returnThreeValues(); print $a . " - " . $c; Only the variables `$a` and `$c` are used. There was no need to assign `$b`. Instead, the list call could have been. list($a,, $c) = returnThreeValues(); Loading history...
291			$dt = $dt ? $dt_uri : $dt;
292			$r = array('value' => '', 'lang' => $lct['lang'], 'datatype' => $dt);
293			if (isset($n['a']['content'])) {
294			$r['value'] = $n['a']['content'];
295			if (function_exists('html_entity_decode')) {
296			$r['value'] = html_entity_decode($r['value'], ENT_QUOTES);
297			}
298			}
299			elseif ($xml_val == $plain_val) {
300			$r['value'] = $plain_val;
301			}
302			elseif (!preg_match('/[\<\>]/', $xml_val)) {
303			$r['value'] = $xml_val;
304			}
305			elseif (isset($n['a']['datatype']) && ($dt != 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral')) {
306			$r['value'] = $plain_val;
307			}
308			elseif (!isset($n['a']['datatype']) \|\| ($dt == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral')) {
309			$r['value'] = $this->injectXMLDeclarations($xml_val, $lct['ns'], $lct['lang']);
310			$r['datatype'] = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral';
311			}
312			return $r;
313			}
314
315			function injectXMLDeclarations($val, $ns, $lang) {//@@todo proper node rebuilding */
316			$lang_code = $lang ? ' xml:lang="' . $lang . '"' : '';
317			/* ns */
318			$val = preg_replace('/<([a-z0-9]+)([\>\s])/is', '<\\1 xmlns="http://www.w3.org/1999/xhtml"' . $lang_code . '\\2', $val);
319			foreach ($ns as $prefix => $uri) {
320			if ($prefix && ($pos = strpos(' ' . $val, '<' . $prefix . ':'))) {
321			$val = substr($val, 0, $pos - 1) . preg_replace('/^(<' . $prefix . '\:[^\>\s]+)/', '\\1 xmlns:' . $prefix. '="' . $uri . '"' . $lang_code, substr($val, $pos - 1));
322			}
323			}
324			/* remove accidentally added xml:lang and xmlns= */
325			$val = preg_replace('/(\<[^\>])( xml\:lang[^\s\>]+)([^\>])(xml\:lang[^\s\>]+)/s', '\\1\\3\\4', $val);
326			$val = preg_replace('/(\<[^\>])( xmlns=[^\s\>]+)([^\>])(xmlns=[^\s\>]+)/s', '\\1\\3\\4', $val);
327			return $val;
328			}
329
330			/* */
331
332			function xURI($v, $base, $ns, $attr_type = '', $lct = '') {
333			if ((list($sub_r, $sub_v) = $this->xBlankCURIE($v, $base, $ns)) && $sub_r) {
334			return array($sub_r, $sub_v);
335			}
336			if ((list($sub_r, $sub_v) = $this->xSafeCURIE($v, $base, $ns, $lct)) && $sub_r) {
337			return array($sub_r, $sub_v);
338			}
339			if ((list($sub_r, $sub_v) = $this->xCURIE($v, $base, $ns)) && $sub_r) {
340			return array($sub_r, $sub_v);
341			}
342			if (preg_match('/^(rel\|rev)$/', $attr_type) && preg_match('/^\s*(alternate\|appendix\|bookmark\|cite\|chapter\|contents\|copyright\|glossary\|help\|icon\|index\|last\|license\|meta\|next\|p3pv1\|prev\|role\|section\|stylesheet\|subsection\|start\|up)(\s\|$)/is', $v, $m)) {
343			return array('http://www.w3.org/1999/xhtml/vocab#' . strtolower($m[1]), preg_replace('/^\s*' . $m[1]. '/is', '', $v));
344			}
345			if (preg_match('/^(rel\|rev)$/', $attr_type) && preg_match('/^[a-z0-9\.]+$/i', $v)) {
346			return array(0, $v);
347			}
348			return array($this->calcURI($v, $base), '');
349			}
350
351			function xBlankCURIE($v, $base, $ns) {
352			if ($sub_r = $this->x('\[\_\:\]', $v)) {
353			$this->empty_bnode = isset($this->empty_bnode) ? $this->empty_bnode : $this->createBnodeID();
354			return array($this->empty_bnode, '');
355			}
356			if ($sub_r = $this->x('\[?(\_\:[a-z0-9\_\-]+)\]?', $v)) {
357			return array($sub_r[1], '');
358			}
359			return array(0, $v);
360			}
361
362			function xSafeCURIE($v, $base, $ns, $lct = '') {
363			/* empty */
364			if ($sub_r = $this->x('\[\]', $v)) {
365			$r = $lct ? $lct['prev_s'] : $base;/* should be current subject value */
366			return $sub_r[1] ? array($r, $sub_r[1]) : array($r, '');
367			}
368			if ($sub_r = $this->x('\[([^\:])\:([^\]])\]', $v)) {
369			if (!$sub_r[1]) return array('http://www.w3.org/1999/xhtml/vocab#' . $sub_r[2], '');
370			if (isset($ns[$sub_r[1]])) {
371			return array($ns[$sub_r[1]] . $sub_r[2], '');
372			}
373			}
374			return array(0, $v);
375			}
376
377			function xCURIE($v, $base, $ns) {
378			if ($sub_r = $this->x('([a-z0-9\-\_]*)\:([^\s]+)', $v)) {
379			if (!$sub_r[1]) return array('http://www.w3.org/1999/xhtml/vocab#' . $sub_r[2], '');
380			if (isset($ns[$sub_r[1]])) {
381			return array($ns[$sub_r[1]] . $sub_r[2], '');
382			}
383			}
384			return array(0, $v);
385			}
386
387			/* */
388
389			}
390

Enalean / tuleap

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ARC2_RdfaExtractor::xCURIE() A last analyzed 2016-01-22 17:23 UTC

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ARC2_RdfaExtractor::xCURIE() A
last analyzed 2016-01-22 17:23 UTC