Class for importing XML documents into a relational database. More...
Public Member Functions | |
| ilXML2SQL ($a_xmltree, $a_lo_id) | |
| constructor init db-handler | |
| insertDocument () | |
| insertNode ($a_node) | |
| updateNode ($a_node) | |
| insertNodeData ($a_node) | |
| insertElement ($a_node) | |
| insertElement private | |
| insertText ($a_node) | |
| insertText private | |
| insertComment ($a_node) | |
| insertComment private | |
| insertAttributes ($a_node) | |
| insertAttributes private | |
| getEntryId ($a_table, $a_column, $a_return_value, $a_value) | |
| getEntryId checks if a single value exists in database private | |
| getLastInsertId () | |
| getLastInsertId private | |
| prepareData ($a_data) | |
| prepare db insertion with addslashes() private | |
| insertStructureIntoTree ($a_nodes, $a_id) | |
Data Fields | |
| $obj_id | |
| $mapping | |
| $ilias | |
Detailed Description
Class for importing XML documents into a relational database.
- Version:
- Id:
- class.ilXML2SQL.php 4946 2004-09-14 14:42:37Z bblackmoor
Definition at line 31 of file class.ilXML2SQL.php.
Member Function Documentation
| ilXML2SQL::getEntryId | ( | $ | a_table, | |
| $ | a_column, | |||
| $ | a_return_value, | |||
| $ | a_value | |||
| ) |
getEntryId checks if a single value exists in database private
- Parameters:
-
string db table name string table column string value you seek
- Returns:
- boolean true when value exists
Definition at line 278 of file class.ilXML2SQL.php.
References $q, $res, and $row.
Referenced by insertAttributes(), and insertElement().
{
$q = "SELECT DISTINCT ".$a_return_value." FROM ".$a_table." ".
"WHERE ".$a_column."='".$a_value."'";
$res = $this->ilias->db->query($q,DB_FETCHMODE_ASSOC);
if ($res->numRows() == 0)
{
return false;
}
$row = $res->fetchRow();
return $row[0];
}
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| ilXML2SQL::getLastInsertId | ( | ) |
getLastInsertId private
- Returns:
- integer
Definition at line 299 of file class.ilXML2SQL.php.
Referenced by insertAttributes(), insertElement(), and insertNode().
{
return $this->ilias->db->getLastInsertId();
}
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| ilXML2SQL::ilXML2SQL | ( | $ | a_xmltree, | |
| $ | a_lo_id | |||
| ) |
constructor init db-handler
public
Definition at line 63 of file class.ilXML2SQL.php.
References $ilias.
{
global $ilias;
$this->ilias =& $ilias;
$this->xmltree = $a_xmltree;
$this->obj_id = $a_lo_id;
}
| ilXML2SQL::insertAttributes | ( | $ | a_node | ) |
insertAttributes private
- Parameters:
-
array node data
- Returns:
- boolean
Definition at line 226 of file class.ilXML2SQL.php.
References $q, getEntryId(), and getLastInsertId().
Referenced by insertNodeData().
{
if (is_array($a_node["attr_list"]))
{
foreach ($a_node["attr_list"] as $attr => $value)
{
$attribute_id = $this->getEntryId("lo_attribute_name","attribute","attribute_id",$attr);
// insert attribute first if it does not exist
if ($attribute_id == false)
{
$q = "INSERT INTO lo_attribute_name (attribute) ".
"VALUES ('".$attr."')";
$this->ilias->db->query($q);
$attribute_id = $this->getLastInsertId();
}
$value_id = $this->getEntryId("lo_attribute_value","value","value_id",$value);
// insert attribute value first if it does not exist
if ($value_id == false)
{
$q = "INSERT INTO lo_attribute_value (value) ".
"VALUES ('".$value."')";
$this->ilias->db->query($q);
$value_id = $this->getLastInsertId();
}
// create reference entry
$q = "INSERT INTO lo_attribute_idx (node_id,attribute_id,value_id) ".
"VALUES ".
"('".$a_node["node"]."','".$attribute_id."','".$value_id."')";
$this->ilias->db->query($q);
}
return true;
}
return false;
}
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| ilXML2SQL::insertComment | ( | $ | a_node | ) |
insertComment private
- Parameters:
-
array node data
Definition at line 211 of file class.ilXML2SQL.php.
References $q.
Referenced by insertNodeData().
{
$q = "INSERT INTO lo_comment ".
"(node_id,comment) ".
"VALUES ".
"('".$a_node["node"]."','".$a_node["content"]."')";
$this->ilias->db->query($q);
}
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| ilXML2SQL::insertDocument | ( | ) |
Definition at line 72 of file class.ilXML2SQL.php.
References $id, insertNode(), insertNodeData(), and updateNode().
{
// insert basic structure of document
foreach ($this->xmltree as $id => $node) {
$node_id = $this->insertNode($node);
$this->mapping[$id] = $node_id;
}
// re-map node_ids
foreach ($this->xmltree as $id => $node) {
$this->xmltree[$id]["parent"] = $this->mapping[$node["parent"]];
$this->xmltree[$id]["prev"] = $this->mapping[$node["prev"]];
$this->xmltree[$id]["next"] = $this->mapping[$node["next"]];
$this->xmltree[$id]["first"] = $this->mapping[$node["first"]];
$this->xmltree[$id]["node"] = $this->mapping[$id];
}
foreach ($this->xmltree as $id => $node) {
$this->updateNode($node);
$this->insertNodeData($node);
}
return $this->xmltree;
}
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| ilXML2SQL::insertElement | ( | $ | a_node | ) |
insertElement private
- Parameters:
-
array node data
Definition at line 169 of file class.ilXML2SQL.php.
References $q, getEntryId(), and getLastInsertId().
Referenced by insertNodeData().
{
$element_id = $this->getEntryId("lo_element_name","element","element_id",$a_node["name"]);
// insert element first if it does not exist
if ($element_id == false)
{
$q = "INSERT INTO lo_element_name (element) ".
"VALUES ('".$a_node["name"]."')";
$this->ilias->db->query($q);
$element_id = $this->getLastInsertId();
}
// create reference entry
$q = "INSERT INTO lo_element_idx (node_id,element_id) ".
"VALUES ('".$a_node["node"]."','".$element_id."')";
$this->ilias->db->query($q);
}
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| ilXML2SQL::insertNode | ( | $ | a_node | ) |
Definition at line 96 of file class.ilXML2SQL.php.
References $q, and getLastInsertId().
Referenced by insertDocument().
{
$q = "INSERT INTO lo_tree ".
"(lo_id,lft,rgt,node_type_id,depth,struct) ".
"VALUES ".
"('".$this->obj_id."','".$a_node["left"].
"','".$a_node["right"]."','".$a_node["type"].
"','".$a_node["depth"]."','".$a_node["struct"]."') ";
$this->ilias->db->query($q);
return $this->getLastInsertId();
}
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| ilXML2SQL::insertNodeData | ( | $ | a_node | ) |
Definition at line 121 of file class.ilXML2SQL.php.
References insertAttributes(), insertComment(), insertElement(), insertText(), and prepareData().
Referenced by insertDocument().
{
//echo "<PRE>";echo var_dump($a_node);echo "</PRE>";
$a_node = $this->prepareData($a_node);
//echo "<PRE>";echo var_dump($a_node);echo "</PRE>";
switch ($a_node["type"]) {
case 1:
$this->insertElement($a_node);
$this->insertAttributes($a_node);
break;
case 3:
$this->insertText($a_node);
break;
case 4:
// $this->insertCData($a_node);
break;
case 5:
// $this->insertEntityRef($a_node);
break;
case 6:
// $this->insertEntity($a_node);
break;
case 7:
// $this->insertPI($a_node);
break;
case 8:
$this->insertComment($a_node);
break;
default:
// nix
break;
} // switch
}
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| ilXML2SQL::insertStructureIntoTree | ( | $ | a_nodes, | |
| $ | a_id | |||
| ) |
Definition at line 325 of file class.ilXML2SQL.php.
References $key.
{
// init tree
$lm_tree = new ilTree($a_id,$a_id);
//prepare array and kick all nodes with no children
foreach ($a_nodes as $key => $nodes)
{
if (!is_array($nodes[key($nodes)]))
{
array_splice($a_nodes,$key);
break;
}
}
// insert first_node
$parent_id = $a_id;
$lm_tree->insertNode(key($a_nodes[0]),$parent_id,0);
// traverse array to build tree structure by inserting nodes to db-table tree
foreach ($a_nodes as $key => $nodes)
{
$parent_parent_id = $parent_id;
$parent_id = key($nodes);
foreach (array_reverse($nodes[$parent_id]) as $child_id)
{
$lm_tree->insertNode($child_id,$parent_id,$parent_parent_id);
}
}
}
| ilXML2SQL::insertText | ( | $ | a_node | ) |
insertText private
- Parameters:
-
array node data
Definition at line 194 of file class.ilXML2SQL.php.
References $q, and trimDeluxe().
Referenced by insertNodeData().
{
// klappt nicht, weil die spaces maskiert sind :-(
$content = trimDeluxe($a_node["content"]);
$q = "INSERT INTO lo_text ".
"(node_id,textnode) ".
"VALUES ".
"('".$a_node["node"]."','".$content."')";
$this->ilias->db->query($q);
}
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| ilXML2SQL::prepareData | ( | $ | a_data | ) |
prepare db insertion with addslashes() private
- Parameters:
-
array
- Returns:
- arrayr
Definition at line 310 of file class.ilXML2SQL.php.
Referenced by insertNodeData().
{
foreach ($a_data as $key => $value)
{
if (is_string($value))
$data[$key] = addslashes($value);
else
$data[$key] = $value;
}
return $data;
}
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| ilXML2SQL::updateNode | ( | $ | a_node | ) |
Definition at line 109 of file class.ilXML2SQL.php.
References $q.
Referenced by insertDocument().
{
$q = "UPDATE lo_tree SET ".
"parent_node_id = '".$a_node["parent"]."',".
"prev_sibling_node_id = '".$a_node["prev"]."',".
"next_sibling_node_id = '".$a_node["next"]."',".
"first_child_node_id = '".$a_node["first"]."' ".
"WHERE node_id = '".$a_node["node"]."' ".
"AND lo_id = '".$this->obj_id."'";
$this->ilias->db->query($q);
}
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Field Documentation
| ilXML2SQL::$ilias |
Definition at line 55 of file class.ilXML2SQL.php.
Referenced by ilXML2SQL().
| ilXML2SQL::$mapping |
Definition at line 47 of file class.ilXML2SQL.php.
| ilXML2SQL::$obj_id |
Definition at line 39 of file class.ilXML2SQL.php.
The documentation for this class was generated from the following file:
- classes/class.ilXML2SQL.php
