Moved under "trunk" to be able to track releases under "tags"

SVN:trunk[55]

core/oql/oqlquery.class.inc.php

@@ -0,0 +1,168 @@
+<?
+
+// Position a string within an OQL query
+// This is a must if we want to be able to pinpoint an error at any stage of the query interpretation
+// In particular, the normalization phase requires this
+class OqlName
+{
+	protected $m_sValue;
+	protected $m_iPos;
+
+	public function __construct($sValue, $iPos)
+	{
+		$this->m_iPos = $iPos;
+		$this->m_sValue = $sValue;
+	}
+
+	public function GetValue()
+	{
+		return $this->m_sValue;
+	}
+
+	public function GetPos()
+	{
+		return $this->m_iPos;
+	}
+	
+	public function __toString()
+	{
+		return $this->m_sValue;
+	} 
+}
+
+class OqlJoinSpec
+{
+	protected $m_oClass;
+	protected $m_oClassAlias;
+	protected $m_oLeftField;
+	protected $m_oRightField;
+
+	protected $m_oNextJoinspec;
+
+	public function __construct($oClass, $oClassAlias, BinaryExpression $oExpression)
+	{
+		$this->m_oClass = $oClass;
+		$this->m_oClassAlias = $oClassAlias;
+		$this->m_oLeftField = $oExpression->GetLeftExpr();
+		$this->m_oRightField = $oExpression->GetRightExpr();
+	}
+
+	public function GetClass()
+	{
+		return $this->m_oClass->GetValue();
+	}
+	public function GetClassAlias()
+	{
+		return $this->m_oClassAlias->GetValue();
+	}
+
+	public function GetClassDetails()
+	{
+		return $this->m_oClass;
+	}
+	public function GetClassAliasDetails()
+	{
+		return $this->m_oClassAlias;
+	}
+
+	public function GetLeftField()
+	{
+		return $this->m_oLeftField;
+	}
+	public function GetRightField()
+	{
+		return $this->m_oRightField;
+	}
+}
+
+class BinaryOqlExpression extends BinaryExpression
+{
+}
+
+class ScalarOqlExpression extends ScalarExpression
+{
+}
+
+class FieldOqlExpression extends FieldExpression
+{
+	protected $m_oParent;
+	protected $m_oName;
+
+	public function __construct($oName, $oParent = null)
+	{
+		if (is_null($oParent))
+		{
+			$oParent = new OqlName('', 0);
+		}
+		$this->m_oParent = $oParent;
+		$this->m_oName = $oName;
+
+		parent::__construct($oName->GetValue(), $oParent->GetValue());
+	}
+
+	public function GetParentDetails()
+	{
+		return $this->m_oParent;
+	}
+
+	public function GetNameDetails()
+	{
+		return $this->m_oName;
+	}
+}
+
+class ListOqlExpression extends ListExpression
+{
+}
+
+class FunctionOqlExpression extends FunctionExpression
+{
+}
+
+class IntervalOqlExpression extends IntervalExpression
+{
+}
+class OqlQuery
+{
+	protected $m_oClass;
+	protected $m_oClassAlias;
+	protected $m_aJoins; // array of OqlJoinSpec
+	protected $m_oCondition; // condition tree (expressions)
+
+	public function __construct($oClass, $oClassAlias = '', $oCondition = null, $aJoins = null)
+	{
+		$this->m_oClass = $oClass;
+		$this->m_oClassAlias = $oClassAlias;
+		$this->m_aJoins = $aJoins;
+		$this->m_oCondition = $oCondition;
+	}
+
+	public function GetClass()
+	{
+		return $this->m_oClass->GetValue();
+	}
+	public function GetClassAlias()
+	{
+		return $this->m_oClassAlias->GetValue();
+	}
+
+	public function GetClassDetails()
+	{
+		return $this->m_oClass;
+	}
+	public function GetClassAliasDetails()
+	{
+		return $this->m_oClassAlias;
+	}
+
+	public function GetJoins()
+	{
+		return $this->m_aJoins;
+	}
+	public function GetCondition()
+	{
+		return $this->m_oCondition;
+	}
+}
+
+?>