INTEGRATION: CWS rpt23fix01 (1.1.2); FILE ADDED

2007/07/16 19:33:53 fs 1.1.2.3: #i77800# some more outsourcing
2007/07/16 13:42:51 fs 1.1.2.2: PUBLIC
2007/07/16 13:42:02 fs 1.1.2.1: outsourced from ../source/ui/dlg/Condition.cxx

reportdesign/inc/conditionalexpression.hxx

+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: conditionalexpression.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: hr $ $Date: 2007-08-02 14:27:49 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#ifndef CONDITIONALEXPRESSION_HXX
+#define CONDITIONALEXPRESSION_HXX
+
+#include "dllapi.h"
+
+/** === begin UNO includes === **/
+/** === end UNO includes === **/
+
+#include <rtl/ustring.hxx>
+
+#include <boost/shared_ptr.hpp>
+
+#include <map>
+
+//........................................................................
+namespace rptui
+{
+//........................................................................
+
+    // =============================================================================
+    // = ConditionalExpression
+    // =============================================================================
+    class REPORTDESIGN_DLLPUBLIC ConditionalExpression
+    {
+    private:
+        const ::rtl::OUString       m_sPattern;
+
+    public:
+        ConditionalExpression( const sal_Char* _pAsciiPattern );
+
+        /** assembles an expression string from a field data source, and one or two operands
+        */
+        ::rtl::OUString     assembleExpression( const ::rtl::OUString& _rFieldDataSource, const ::rtl::OUString& _rLHS, const ::rtl::OUString& _rRHS ) const;
+
+        /** matches the given expression string to the expression pattern represented by the object
+            @param  _rExpression
+                the expression to match
+            @param  _rFieldDataSource
+                the field data source
+            @param  _out_rLHS
+                output parameter taking the left hand side operand, if successful
+            @param  _out_rRHS
+                output parameter taking the right hand side operand, if successful
+            @return
+                <TRUE/> if and only if the expression string could be successfully matched to
+                the pattern.
+        */
+        bool                matchExpression( const ::rtl::OUString& _rExpression, const ::rtl::OUString& _rFieldDataSource, ::rtl::OUString& _out_rLHS, ::rtl::OUString& _out_rRHS ) const;
+    };
+
+    //========================================================================
+    //= ConditionType
+    //========================================================================
+    enum ConditionType
+    {
+        eFieldValueComparison   = 0,
+        eExpression             = 1
+    };
+
+    //========================================================================
+    //= ComparisonOperation
+    //========================================================================
+    enum ComparisonOperation
+    {
+        eBetween        = 0,
+        eNotBetween     = 1,
+        eEqualTo        = 2,
+        eNotEqualTo     = 3,
+        eGreaterThan    = 4,
+        eLessThan       = 5,
+        eGreaterOrEqual = 6,
+        eLessOrEqual    = 7
+    };
+
+    typedef ::boost::shared_ptr< ConditionalExpression >                PConditionalExpression;
+    typedef ::std::map< ComparisonOperation, PConditionalExpression >   ConditionalExpressions;
+
+    // =============================================================================
+    // = ConditionalExpressionFactory
+    // =============================================================================
+    class REPORTDESIGN_DLLPUBLIC ConditionalExpressionFactory
+    {
+    public:
+        /// fills the given map with all ConditionalExpressions which we know
+        static size_t  getKnownConditionalExpressions( ConditionalExpressions& _out_rCondExp );
+
+    private:
+        ConditionalExpressionFactory();                                                 // never implemented
+        ConditionalExpressionFactory( const ConditionalExpressionFactory& );            // never implemented
+        ConditionalExpressionFactory& operator=( const ConditionalExpressionFactory& ); // never implemented
+    };
+//........................................................................
+} // namespace rptui
+//........................................................................
+
+#endif // CONDITIONALEXPRESSION_HXX