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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 _CONNECTIVITY_MORK_QUERYHELPER_HXX_
21 : #define _CONNECTIVITY_MORK_QUERYHELPER_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 :
30 : #include <boost/unordered_map.hpp>
31 :
32 : #include "MErrorResource.hxx"
33 :
34 : namespace connectivity
35 : {
36 : namespace mork
37 : {
38 : class OConnection;
39 : class MQueryHelper;
40 : class ErrorDescriptor;
41 :
42 : namespace MQueryOp {
43 : typedef enum {
44 : Exists = 0,
45 : DoesNotExist = 1,
46 : Contains = 2,
47 : DoesNotContain = 3,
48 : Is = 4,
49 : IsNot = 5,
50 : BeginsWith = 6,
51 : EndsWith = 7,
52 : RegExp = 8
53 : } cond_type;
54 : }
55 :
56 : class MQueryExpressionBase {
57 : public:
58 : typedef enum {
59 : Unknown,
60 : StringExpr,
61 : Expr
62 : } node_type;
63 :
64 : protected:
65 : node_type m_eNodeType;
66 :
67 : MQueryExpressionBase() : m_eNodeType( Unknown ) {}
68 0 : MQueryExpressionBase( node_type _eNodeType ) : m_eNodeType( _eNodeType ) {}
69 :
70 : public:
71 : sal_Bool isUnknown( ) const { return m_eNodeType == Unknown; }
72 0 : sal_Bool isStringExpr( ) const { return m_eNodeType == StringExpr; }
73 0 : sal_Bool isExpr( ) const { return m_eNodeType == Expr; }
74 : };
75 :
76 : class MQueryExpressionString : public MQueryExpressionBase {
77 : protected:
78 : OUString m_aName; // LHS
79 : MQueryOp::cond_type m_aBooleanCondition;
80 : OUString m_aValue; // RHS
81 :
82 : public:
83 :
84 0 : MQueryExpressionString( const OUString& lhs,
85 : MQueryOp::cond_type cond,
86 : const OUString& rhs )
87 : : MQueryExpressionBase( MQueryExpressionBase::StringExpr )
88 : , m_aName( lhs )
89 : , m_aBooleanCondition( cond )
90 0 : , m_aValue( rhs )
91 : {
92 0 : }
93 :
94 0 : MQueryExpressionString( const OUString& lhs,
95 : MQueryOp::cond_type cond )
96 : : MQueryExpressionBase( MQueryExpressionBase::StringExpr )
97 : , m_aName( lhs )
98 : , m_aBooleanCondition( cond )
99 0 : , m_aValue( OUString() )
100 : {
101 0 : }
102 :
103 0 : const OUString& getName() const { return m_aName; }
104 0 : MQueryOp::cond_type getCond() const { return m_aBooleanCondition; }
105 0 : const OUString& getValue() const { return m_aValue; }
106 : };
107 :
108 0 : class MQueryExpression : public MQueryExpressionBase
109 : {
110 : friend class MQueryHelper;
111 :
112 : public:
113 : typedef ::std::vector< MQueryExpressionBase* > ExprVector;
114 :
115 : typedef enum {
116 : AND,
117 : OR
118 : } bool_cond;
119 :
120 : void setExpressions( ExprVector& _exprVector )
121 : { m_aExprVector = _exprVector; }
122 :
123 : // All expressions on a peer level use same condition operator
124 0 : void setExpressionCondition( bool_cond _cond )
125 0 : { m_aExprCondType = _cond; }
126 :
127 0 : ExprVector& getExpressions( )
128 0 : { return m_aExprVector; }
129 :
130 : // All expressions on a peer level use same condition operator
131 0 : bool_cond getExpressionCondition( ) const
132 0 : { return m_aExprCondType; }
133 :
134 0 : MQueryExpression() : MQueryExpressionBase( MQueryExpressionBase::Expr ),
135 0 : m_aExprCondType( OR )
136 0 : { m_aExprVector.clear(); }
137 :
138 :
139 : protected:
140 : ExprVector m_aExprVector;
141 : bool_cond m_aExprCondType;
142 :
143 : };
144 :
145 : class MQueryHelperResultEntry
146 : {
147 : private:
148 : typedef ::boost::unordered_map< OString, OUString, OStringHash > FieldMap;
149 :
150 : mutable ::osl::Mutex m_aMutex;
151 : FieldMap m_Fields;
152 :
153 : public:
154 : MQueryHelperResultEntry();
155 : ~MQueryHelperResultEntry();
156 :
157 : OUString getValue( const OString &key ) const;
158 : void setValue( const OString &key, const OUString & rValue);
159 : };
160 :
161 : class MQueryHelper
162 : {
163 : private:
164 : typedef std::vector< MQueryHelperResultEntry* > resultsArray;
165 :
166 : mutable ::osl::Mutex m_aMutex;
167 : ::osl::Condition m_aCondition;
168 : resultsArray m_aResults;
169 : sal_uInt32 m_nIndex;
170 : sal_Bool m_bHasMore;
171 : sal_Bool m_bAtEnd;
172 : void append(MQueryHelperResultEntry* resEnt );
173 : void clear_results();
174 : OColumnAlias m_rColumnAlias;
175 : ErrorDescriptor m_aError;
176 : OUString m_aAddressbook;
177 : MQueryExpression m_aExpr;
178 :
179 : /*
180 : void clearResultOrComplete();
181 : void notifyResultOrComplete();
182 : sal_Bool waitForResultOrComplete( );
183 : void getCardValues(nsIAbCard *card,sal_uInt32 rowIndex=0);
184 : */
185 :
186 : sal_Int32 doQueryDefaultTable(OConnection* xConnection);
187 : sal_Int32 doQueryListTable(OConnection* xConnection, OString& ouStringTable);
188 :
189 : public:
190 : MQueryHelper(const OColumnAlias& _ca);
191 : virtual ~MQueryHelper();
192 :
193 : void reset();
194 : MQueryHelperResultEntry* getByIndex( sal_uInt32 nRow );
195 : sal_Bool isError() const;
196 : sal_Bool queryComplete() const;
197 : sal_Int32 getResultCount() const;
198 : sal_Bool checkRowAvailable( sal_Int32 nDBRow );
199 : sal_Bool getRowValue( ORowSetValue& rValue, sal_Int32 nDBRow,const OUString& aDBColumnName, sal_Int32 nType );
200 : sal_Int32 executeQuery(OConnection* xConnection);
201 0 : const OColumnAlias& getColumnAlias() const { return m_rColumnAlias; }
202 0 : bool hadError() const { return m_aError.is(); }
203 0 : inline ErrorDescriptor& getError() { return m_aError; }
204 :
205 : void setAddressbook( OUString&);
206 : void setExpression( MQueryExpression &_expr );
207 :
208 : };
209 : }
210 : }
211 :
212 : #endif // _CONNECTIVITY_MORK_QUERYHELPER_HXX_
213 :
214 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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