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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX
21 : #define INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX
22 :
23 : #include <sal/types.h>
24 : #include <rtl/ustring.hxx>
25 : #include <osl/mutex.hxx>
26 : #include <osl/conditn.hxx>
27 : #include <osl/thread.hxx>
28 : #include <connectivity/FValue.hxx>
29 : #include <boost/noncopyable.hpp>
30 : #include "MErrorResource.hxx"
31 : #include <unordered_map>
32 :
33 : namespace connectivity
34 : {
35 : namespace mork
36 : {
37 : class OConnection;
38 : class MQueryHelper;
39 : class ErrorDescriptor;
40 :
41 : namespace MQueryOp {
42 : typedef enum {
43 : Exists = 0,
44 : DoesNotExist = 1,
45 : Contains = 2,
46 : DoesNotContain = 3,
47 : Is = 4,
48 : IsNot = 5,
49 : BeginsWith = 6,
50 : EndsWith = 7,
51 : RegExp = 8
52 : } cond_type;
53 : }
54 :
55 : class MQueryExpressionBase {
56 : public:
57 : typedef enum {
58 : Unknown,
59 : StringExpr,
60 : Expr
61 : } node_type;
62 :
63 : protected:
64 : node_type m_eNodeType;
65 :
66 : MQueryExpressionBase() : m_eNodeType( Unknown ) {}
67 3 : MQueryExpressionBase( node_type _eNodeType ) : m_eNodeType( _eNodeType ) {}
68 :
69 : public:
70 3 : virtual ~MQueryExpressionBase() {}
71 :
72 : bool isUnknown( ) const { return m_eNodeType == Unknown; }
73 5 : bool isStringExpr( ) const { return m_eNodeType == StringExpr; }
74 0 : bool isExpr( ) const { return m_eNodeType == Expr; }
75 : };
76 :
77 2 : class MQueryExpressionString : public MQueryExpressionBase {
78 : protected:
79 : OUString m_aName; // LHS
80 : MQueryOp::cond_type m_aBooleanCondition;
81 : OUString m_aValue; // RHS
82 :
83 : public:
84 :
85 1 : MQueryExpressionString( const OUString& lhs,
86 : MQueryOp::cond_type cond,
87 : const OUString& rhs )
88 : : MQueryExpressionBase( MQueryExpressionBase::StringExpr )
89 : , m_aName( lhs )
90 : , m_aBooleanCondition( cond )
91 1 : , m_aValue( rhs )
92 : {
93 1 : }
94 :
95 0 : MQueryExpressionString( const OUString& lhs,
96 : MQueryOp::cond_type cond )
97 : : MQueryExpressionBase( MQueryExpressionBase::StringExpr )
98 : , m_aName( lhs )
99 : , m_aBooleanCondition( cond )
100 0 : , m_aValue( OUString() )
101 : {
102 0 : }
103 :
104 5 : const OUString& getName() const { return m_aName; }
105 25 : MQueryOp::cond_type getCond() const { return m_aBooleanCondition; }
106 5 : const OUString& getValue() const { return m_aValue; }
107 : };
108 :
109 : class MQueryExpression : public MQueryExpressionBase, private boost::noncopyable
110 : {
111 : friend class MQueryHelper;
112 :
113 : public:
114 : typedef ::std::vector< MQueryExpressionBase* > ExprVector;
115 :
116 : typedef enum {
117 : AND,
118 : OR
119 : } bool_cond;
120 :
121 : // All expressions on a peer level use same condition operator
122 0 : void setExpressionCondition( bool_cond _cond )
123 0 : { m_aExprCondType = _cond; }
124 :
125 1 : void addExpression(MQueryExpressionBase * expr)
126 1 : { m_aExprVector.push_back(expr); }
127 :
128 35 : ExprVector const & getExpressions( ) const
129 35 : { return m_aExprVector; }
130 :
131 : // All expressions on a peer level use same condition operator
132 0 : bool_cond getExpressionCondition( ) const
133 0 : { return m_aExprCondType; }
134 :
135 2 : MQueryExpression() : MQueryExpressionBase( MQueryExpressionBase::Expr ),
136 2 : m_aExprCondType( OR )
137 2 : {}
138 :
139 4 : virtual ~MQueryExpression() {
140 9 : for (ExprVector::iterator i(m_aExprVector.begin());
141 6 : i != m_aExprVector.end(); ++i)
142 : {
143 1 : delete *i;
144 : }
145 2 : }
146 :
147 : protected:
148 : ExprVector m_aExprVector;
149 : bool_cond m_aExprCondType;
150 :
151 : };
152 :
153 : class MQueryHelperResultEntry
154 : {
155 : private:
156 : typedef std::unordered_map< OString, OUString, OStringHash > FieldMap;
157 :
158 : FieldMap m_Fields;
159 :
160 : public:
161 : MQueryHelperResultEntry();
162 : ~MQueryHelperResultEntry();
163 :
164 : OUString getValue( const OString &key ) const;
165 : void setValue( const OString &key, const OUString & rValue);
166 : };
167 :
168 : class MQueryHelper
169 : {
170 : private:
171 : typedef std::vector< MQueryHelperResultEntry* > resultsArray;
172 :
173 : mutable ::osl::Mutex m_aMutex;
174 : ::osl::Condition m_aCondition;
175 : resultsArray m_aResults;
176 : sal_uInt32 m_nIndex;
177 : bool m_bHasMore;
178 : bool m_bAtEnd;
179 : void append(MQueryHelperResultEntry* resEnt );
180 : void clear_results();
181 : OColumnAlias m_rColumnAlias;
182 : ErrorDescriptor m_aError;
183 : OUString m_aAddressbook;
184 :
185 : /*
186 : void clearResultOrComplete();
187 : void notifyResultOrComplete();
188 : sal_Bool waitForResultOrComplete( );
189 : void getCardValues(nsIAbCard *card,sal_uInt32 rowIndex=0);
190 : */
191 :
192 : sal_Int32 doQueryDefaultTable(OConnection* xConnection);
193 : sal_Int32 doQueryListTable(OConnection* xConnection, OString& ouStringTable);
194 :
195 : public:
196 : MQueryHelper(const OColumnAlias& _ca);
197 : virtual ~MQueryHelper();
198 :
199 : void reset();
200 : MQueryHelperResultEntry* getByIndex( sal_uInt32 nRow );
201 : bool isError() const;
202 0 : static bool queryComplete() { return true; }
203 : sal_Int32 getResultCount() const;
204 : bool checkRowAvailable( sal_Int32 nDBRow );
205 : bool getRowValue( ORowSetValue& rValue, sal_Int32 nDBRow,const OUString& aDBColumnName, sal_Int32 nType );
206 : sal_Int32 executeQuery(OConnection* xConnection, MQueryExpression & expr);
207 5 : const OColumnAlias& getColumnAlias() const { return m_rColumnAlias; }
208 2 : bool hadError() const { return m_aError.is(); }
209 0 : inline ErrorDescriptor& getError() { return m_aError; }
210 :
211 : void setAddressbook( OUString&);
212 : };
213 : }
214 : }
215 :
216 : #endif // INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_MORK_MQUERYHELPER_HXX
217 :
218 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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