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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef SC_XEFORMULA_HXX
+#define SC_XEFORMULA_HXX
+
+#include "xlformula.hxx"
+#include "xeroot.hxx"
+#include <boost/shared_ptr.hpp>
+
+// External reference log =====================================================
+
+/** Log entry for external references in a formula, used i.e. in change tracking. */
+struct XclExpRefLogEntry
+{
+    const XclExpString* mpUrl;              /// URL of the document containing the first sheet.
+    const XclExpString* mpFirstTab;         /// Name of the first sheet.
+    const XclExpString* mpLastTab;          /// Name of the last sheet.
+    sal_uInt16          mnFirstXclTab;      /// Calc index of the first sheet.
+    sal_uInt16          mnLastXclTab;       /// Calc index of the last sheet.
+
+    explicit            XclExpRefLogEntry();
+};
+
+/** Vector containing a log for all external references in a formula, used i.e. in change tracking. */
+typedef ::std::vector< XclExpRefLogEntry > XclExpRefLog;
+
+// Formula compiler ===========================================================
+
+class ScRangeList;
+class XclExpFmlaCompImpl;
+
+/** The formula compiler to create Excel token arrays from Calc token arrays. */
+class XclExpFormulaCompiler : protected XclExpRoot
+{
+public:
+    explicit            XclExpFormulaCompiler( const XclExpRoot& rRoot );
+    virtual             ~XclExpFormulaCompiler();
+
+    /** Creates and returns the token array of a formula. */
+    XclTokenArrayRef    CreateFormula(
+                            XclFormulaType eType, const ScTokenArray& rScTokArr,
+                            const ScAddress* pScBasePos = 0, XclExpRefLog* pRefLog = 0 );
+
+    /** Creates and returns a token array containing a single cell address. */
+    XclTokenArrayRef    CreateFormula( XclFormulaType eType, const ScAddress& rScPos );
+
+    /** Creates and returns a token array containing a single cell range address. */
+    XclTokenArrayRef    CreateFormula( XclFormulaType eType, const ScRange& rScRange );
+
+    /** Creates and returns the token array for a cell range list. */
+    XclTokenArrayRef    CreateFormula( XclFormulaType eType, const ScRangeList& rScRanges );
+
+    /** Creates a single error token containing the passed error code. */
+    XclTokenArrayRef    CreateErrorFormula( sal_uInt8 nErrCode );
+
+    /** Creates a single token for a special cell reference.
+        @descr  This is used for array formulas and shared formulas (token tExp),
+            and multiple operation tables (token tTbl). */
+    XclTokenArrayRef    CreateSpecialRefFormula( sal_uInt8 nTokenId, const XclAddress& rXclPos );
+
+    /** Creates a single tNameXR token for a reference to an external name.
+        @descr  This is used i.e. for linked macros in push buttons. */
+    XclTokenArrayRef    CreateNameXFormula( sal_uInt16 nExtSheet, sal_uInt16 nExtName );
+
+private:
+    typedef boost::shared_ptr< XclExpFmlaCompImpl > XclExpFmlaCompImplRef;
+    XclExpFmlaCompImplRef mxImpl;
+};
+
+// ============================================================================
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */