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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_PREDICATEINPUT_HXX
21 : #define CONNECTIVITY_PREDICATEINPUT_HXX
22 :
23 : #include <com/sun/star/beans/XPropertySet.hpp>
24 : #include <com/sun/star/uno/XComponentContext.hpp>
25 : #include <com/sun/star/sdbc/XConnection.hpp>
26 : #include <com/sun/star/util/XNumberFormatter.hpp>
27 : #include <com/sun/star/i18n/XLocaleData4.hpp>
28 : #include <connectivity/sqlparse.hxx>
29 : #include "connectivity/dbtoolsdllapi.hxx"
30 :
31 : //.........................................................................
32 : namespace dbtools
33 : {
34 : //.........................................................................
35 :
36 : //=====================================================================
37 : //= OPredicateInputController
38 : //=====================================================================
39 : /** A class which allows input of an SQL predicate for a row set column
40 : into a edit field.
41 : */
42 4 : class OOO_DLLPUBLIC_DBTOOLS OPredicateInputController
43 : {
44 : private:
45 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >
46 : m_xConnection;
47 : ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >
48 : m_xFormatter;
49 : ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XLocaleData4 >
50 : m_xLocaleData;
51 :
52 : ::connectivity::OSQLParser
53 : m_aParser;
54 :
55 : public:
56 : OPredicateInputController(
57 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
58 : const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection,
59 : const ::connectivity::IParseContext* _pParseContext = NULL
60 : );
61 :
62 : /** transforms a "raw" predicate value (usually obtained from a user input) into a valid predicate for the given column
63 : @param _rPredicateValue
64 : The text to normalize.
65 : @param _rxField
66 : The field for which the text should be a predicate value.
67 : @param _pErrorMessage
68 : If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument
69 : points to.
70 : */
71 : sal_Bool normalizePredicateString(
72 : OUString& _rPredicateValue,
73 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxField,
74 : OUString* _pErrorMessage = NULL
75 : ) const;
76 :
77 : /** get's a value of the predicate which can be used in a WHERE clause.
78 : @param _rPredicateValue
79 : the value which has been normalized using normalizePredicateString
80 : @param _rxField
81 : is the field for which a predicate is to be entered
82 : @param _bForStatementUse
83 : If <TRUE/>, the returned value can be used in an SQL statement. If <FALSE/>, it can be used
84 : for instance for setting parameter values.
85 : @param _pErrorMessage
86 : If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument
87 : points to.
88 : @see normalizePredicateString
89 : */
90 : OUString getPredicateValue(
91 : const OUString& _rPredicateValue,
92 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & _rxField,
93 : sal_Bool _bForStatementUse,
94 : OUString* _pErrorMessage = NULL
95 : ) const;
96 :
97 : OUString getPredicateValue(
98 : const OUString& _sField
99 : , const OUString& _rPredicateValue
100 : , sal_Bool _bForStatementUse
101 : , OUString* _pErrorMessage = NULL) const;
102 :
103 : private:
104 : ::connectivity::OSQLParseNode* implPredicateTree(
105 : OUString& _rErrorMessage,
106 : const OUString& _rStatement,
107 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & _rxField
108 : ) const;
109 :
110 : sal_Bool getSeparatorChars(
111 : const ::com::sun::star::lang::Locale& _rLocale,
112 : sal_Unicode& _rDecSep,
113 : sal_Unicode& _rThdSep
114 : ) const;
115 :
116 : OUString implParseNode(::connectivity::OSQLParseNode* pParseNode,sal_Bool _bForStatementUse) const;
117 : };
118 :
119 : //.........................................................................
120 : } // namespace dbtools
121 : //.........................................................................
122 :
123 : #endif // CONNECTIVITY_PREDICATEINPUT_HXX
124 :
125 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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