diff sites/all/libraries/ARC2/arc/parsers/ARC2_SPARQLXMLResultParser.php @ 4:ce11bbd8f642

added modules

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/libraries/ARC2/arc/parsers/ARC2_SPARQLXMLResultParser.php	Thu Sep 19 10:38:44 2013 +0100
@@ -0,0 +1,112 @@
+<?php
+/*
+homepage: http://arc.semsol.org/
+license:  http://arc.semsol.org/license
+
+class:    ARC2 SPARQL Result XML Parser
+author:   Benjamin Nowack
+version:  2010-11-16
+*/
+
+ARC2::inc('LegacyXMLParser');
+
+class ARC2_SPARQLXMLResultParser extends ARC2_LegacyXMLParser {
+
+  function __construct($a, &$caller) {
+    parent::__construct($a, $caller);
+  }
+  
+  function __init() {/* reader */
+    parent::__init();
+    $this->srx = 'http://www.w3.org/2005/sparql-results#';
+    $this->nsp[$this->srx] = 'srx';
+    $this->allowCDataNodes = 0;
+  }
+  
+  /*  */
+  
+  function done() {
+  }
+  
+  /*  */
+  
+  function getVariables() {
+    $r = array();
+    foreach ($this->nodes as $node) {
+      if ($node['tag'] == $this->srx . 'variable') {
+        $r[] = $node['a']['name'];
+      }
+    }
+    return $r;
+  }
+  
+  function getRows() {
+    $r = array();
+    $index = $this->getNodeIndex();
+    foreach ($this->nodes as $node) {
+      if ($node['tag'] == $this->srx . 'result') {
+        $row = array();
+        $row_id = $node['id'];
+        $bindings = isset($index[$row_id])? $index[$row_id] : array();
+        foreach ($bindings as $binding) {
+          $row = array_merge($row, $this->getBinding($binding));
+        }
+        if ($row) {
+          $r[] = $row;
+        }
+      }
+    }
+    return $r;
+  }
+
+  function getBinding($node) {
+    $r = array();
+    $index = $this->getNodeIndex();
+    $var = $node['a']['name'];
+    $term = $index[$node['id']][0];
+    $r[$var . ' type'] = preg_replace('/^uri$/', 'uri', substr($term['tag'], strlen($this->srx)));
+    $r[$var] = ($r[$var . ' type'] == 'bnode') ? '_:' . $term['cdata'] : $term['cdata'];
+    if (isset($term['a']['datatype'])) {
+      $r[$var . ' datatype'] = $term['a']['datatype'];
+    }
+    elseif (isset($term['a'][$this->xml . 'lang'])) {
+      $r[$var . ' lang'] = $term['a'][$this->xml . 'lang'];
+    }
+    return $r;
+  }
+
+  function getBooleanInsertedDeleted() {
+    foreach ($this->nodes as $node) {
+      if ($node['tag'] == $this->srx . 'boolean') {
+        return ($node['cdata'] == 'true') ? array('boolean' => true) : array('boolean' => false);
+      }
+      elseif ($node['tag'] == $this->srx . 'inserted') {
+        return array('inserted' => $node['cdata']);
+      }
+      elseif ($node['tag'] == $this->srx . 'deleted') {
+        return array('deleted' => $node['cdata']);
+      }
+      elseif ($node['tag'] == $this->srx . 'results') {
+        return '';
+      }
+    }
+    return '';
+  }
+
+  /*  */
+  
+  function getStructure() {
+    $r = array('variables' => $this->getVariables(), 'rows' => $this->getRows());
+    /* boolean|inserted|deleted */
+    if ($sub_r = $this->getBooleanInsertedDeleted()) {
+      foreach ($sub_r as $k => $v) {
+        $r[$k] = $v;
+      }
+    }
+    return $r;
+  }
+
+  /*  */
+
+  
+}