| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #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 |