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| -rw-r--r-- | connectivity/source/drivers/mork/MQueryHelper.hxx | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/connectivity/source/drivers/mork/MQueryHelper.hxx b/connectivity/source/drivers/mork/MQueryHelper.hxx new file mode 100644 index 000000000..67d2b081d --- /dev/null +++ b/connectivity/source/drivers/mork/MQueryHelper.hxx @@ -0,0 +1,184 @@ +/* -*- 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_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX +#define INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX + +#include <connectivity/FValue.hxx> +#include "MErrorResource.hxx" +#include "MColumnAlias.hxx" + +namespace connectivity +{ + namespace mork + { + class OConnection; + class MQueryHelper; + class ErrorDescriptor; + + namespace MQueryOp { + typedef enum { + Exists = 0, + DoesNotExist = 1, + Contains = 2, + DoesNotContain = 3, + Is = 4, + IsNot = 5, + BeginsWith = 6, + EndsWith = 7, + RegExp = 8 + } cond_type; + } + + class MQueryExpressionBase { + public: + enum class node_type { + StringExpr, + Expr + }; + + protected: + node_type m_eNodeType; + + explicit MQueryExpressionBase( node_type _eNodeType ) : m_eNodeType( _eNodeType ) {} + + public: + virtual ~MQueryExpressionBase() {} + + bool isStringExpr( ) const { return m_eNodeType == node_type::StringExpr; } + bool isExpr( ) const { return m_eNodeType == node_type::Expr; } + }; + + class MQueryExpressionString final : public MQueryExpressionBase { + OUString m_aName; // LHS + MQueryOp::cond_type m_aBooleanCondition; + OUString m_aValue; // RHS + + public: + + MQueryExpressionString( const OUString& lhs, + MQueryOp::cond_type cond, + const OUString& rhs ) + : MQueryExpressionBase( MQueryExpressionBase::node_type::StringExpr ) + , m_aName( lhs ) + , m_aBooleanCondition( cond ) + , m_aValue( rhs ) + { + } + + MQueryExpressionString( const OUString& lhs, + MQueryOp::cond_type cond ) + : MQueryExpressionBase( MQueryExpressionBase::node_type::StringExpr ) + , m_aName( lhs ) + , m_aBooleanCondition( cond ) + , m_aValue( OUString() ) + { + } + + const OUString& getName() const { return m_aName; } + MQueryOp::cond_type getCond() const { return m_aBooleanCondition; } + const OUString& getValue() const { return m_aValue; } + }; + + class MQueryExpression final : public MQueryExpressionBase + { + friend class MQueryHelper; + + public: + typedef std::vector< MQueryExpressionBase* > ExprVector; + + typedef enum { + AND, + OR + } bool_cond; + + // All expressions on a peer level use same condition operator + void setExpressionCondition( bool_cond _cond ) + { m_aExprCondType = _cond; } + + void addExpression(MQueryExpressionBase * expr) + { m_aExprVector.push_back(expr); } + + ExprVector const & getExpressions( ) const + { return m_aExprVector; } + + // All expressions on a peer level use same condition operator + bool_cond getExpressionCondition( ) const + { return m_aExprCondType; } + + MQueryExpression() : MQueryExpressionBase( MQueryExpressionBase::node_type::Expr ), + m_aExprCondType( OR ) + {} + + private: + ExprVector m_aExprVector; + bool_cond m_aExprCondType; + + MQueryExpression(const MQueryExpression&) = delete; + MQueryExpression& operator=(const MQueryExpression&) = delete; + }; + + class MQueryHelperResultEntry + { + private: + typedef std::unordered_map< OString, OUString > FieldMap; + + FieldMap m_Fields; + + public: + MQueryHelperResultEntry(); + ~MQueryHelperResultEntry(); + + OUString getValue( const OString &key ) const; + void setValue( const OString &key, const OUString & rValue); + }; + + class MQueryHelper final + { + private: + + mutable ::osl::Mutex m_aMutex; + std::vector< std::unique_ptr<MQueryHelperResultEntry> > m_aResults; + void append(std::unique_ptr<MQueryHelperResultEntry> resEnt ); + void clear_results(); + OColumnAlias m_rColumnAlias; + ErrorDescriptor m_aError; + OUString m_aAddressbook; + + public: + explicit MQueryHelper(const OColumnAlias& _ca); + ~MQueryHelper(); + + void reset(); + MQueryHelperResultEntry* getByIndex( sal_uInt32 nRow ); + sal_Int32 getResultCount() const; + bool getRowValue( ORowSetValue& rValue, sal_Int32 nDBRow,const OUString& aDBColumnName, sal_Int32 nType ); + sal_Int32 executeQuery(OConnection* xConnection, MQueryExpression & expr); + const OColumnAlias& getColumnAlias() const { return m_rColumnAlias; } + bool hadError() const { return m_aError.is(); } + ErrorDescriptor& getError() { return m_aError; } + + void setAddressbook( OUString const &); + }; + } +} + +#endif // INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |