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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_REPORTDESIGN_INC_REPORTFORMULA_HXX
+#define INCLUDED_REPORTDESIGN_INC_REPORTFORMULA_HXX
+
+#include "dllapi.h"
+
+#include <osl/diagnose.h>
+#include <rtl/ustring.hxx>
+
+
+namespace rptui
+{
+
+
+ //= ReportFormula
+
+ class REPORTDESIGN_DLLPUBLIC ReportFormula
+ {
+ public:
+ enum BindType
+ {
+ Expression,
+ Field,
+
+ Invalid
+ };
+
+ private:
+ BindType m_eType;
+ OUString m_sCompleteFormula;
+ OUString m_sUndecoratedContent;
+
+ public:
+ /// constructs a ReportFormula object from a string
+ ReportFormula( const OUString& _rFormula );
+
+ /// constructs a ReportFormula by BindType
+ ReportFormula( const BindType _eType, const OUString& _rFieldOrExpression );
+ ~ReportFormula();
+
+ /// returns whether the object denotes a valid formula
+ bool isValid() const;
+
+ /// returns the type of the binding represented by the formula
+ BindType getType() const { return m_eType; }
+
+ /// returns the complete formula represented by the object
+ const OUString&
+ getCompleteFormula() const { return m_sCompleteFormula; }
+
+ /** gets the <em>undecorated formula</em> content
+
+ If the formula denotes a field binding, the <em>undecorated content</em> is the
+ field name.
+
+ If the formula denotes an expression, then the <em>undecorated content</em> is the expression
+ itself.
+ */
+ const OUString& getUndecoratedContent() const { return m_sUndecoratedContent; }
+
+ /// convenience alias for <code>getUndecoratedContent</code>, which asserts (in a non-product build) when used on an expression
+ inline OUString const & getFieldName() const;
+
+ /**
+ @returns "=" + getFieldName()
+ */
+ OUString getEqualUndecoratedContent() const;
+
+ /// convenience alias for <code>getUndecoratedContent</code>, which asserts (in a non-product build) when used on a field
+ inline OUString const & getExpression() const;
+
+ /** returns a bracketed field name of the formula denotes a field reference,
+ or the undecorated expression if the formula denotes an expression.
+
+ Effectively, this means the method returns the complete formula, stripped by the prefix
+ which indicates a field or an expression.
+ */
+ OUString getBracketedFieldOrExpression() const;
+ };
+
+
+ inline OUString const & ReportFormula::getFieldName() const
+ {
+ OSL_PRECOND( getType() == Field, "ReportFormula::getFieldName: not bound to a field!" );
+ return getUndecoratedContent();
+ }
+
+
+ inline OUString const & ReportFormula::getExpression() const
+ {
+ OSL_PRECOND( getType() == Expression, "ReportFormula::getExpression: not bound to an expression!" );
+ return getUndecoratedContent();
+ }
+
+
+} // namespace rptui
+
+
+#endif // INCLUDED_REPORTDESIGN_INC_REPORTFORMULA_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */