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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_PREDICATEINPUT_HXX
21 : #define INCLUDED_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 : #include <com/sun/star/uno/Any.hxx>
31 :
32 :
33 : namespace dbtools
34 : {
35 :
36 :
37 :
38 : //= OPredicateInputController
39 :
40 : /** A class which allows input of an SQL predicate for a row set column
41 : into a edit field.
42 : */
43 4 : class OOO_DLLPUBLIC_DBTOOLS OPredicateInputController
44 : {
45 : private:
46 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >
47 : m_xConnection;
48 : ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >
49 : m_xFormatter;
50 : ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XLocaleData4 >
51 : m_xLocaleData;
52 :
53 : ::connectivity::OSQLParser
54 : m_aParser;
55 :
56 : public:
57 : OPredicateInputController(
58 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
59 : const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection,
60 : const ::connectivity::IParseContext* _pParseContext = NULL
61 : );
62 :
63 : /** transforms a "raw" predicate value (usually obtained from a user input) into a valid predicate for the given column
64 : @param _rPredicateValue
65 : The text to normalize.
66 : @param _rxField
67 : The field for which the text should be a predicate value.
68 : @param _pErrorMessage
69 : If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument
70 : points to.
71 : */
72 : bool normalizePredicateString(
73 : OUString& _rPredicateValue,
74 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxField,
75 : OUString* _pErrorMessage = NULL
76 : ) const;
77 :
78 : /** get the value of the predicate, as a string to be used in a WHERE clause
79 : @param _rPredicateValue
80 : the value which has been normalized using normalizePredicateString
81 : @param _rxField
82 : is the field for which a predicate is to be entered
83 : @param _pErrorMessage
84 : If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument
85 : points to.
86 : @see normalizePredicateString
87 : */
88 : OUString getPredicateValueStr(
89 : const OUString& _rPredicateValue,
90 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & _rxField,
91 : OUString* _pErrorMessage = NULL
92 : ) const;
93 :
94 : OUString getPredicateValueStr(
95 : const OUString& _sField
96 : , const OUString& _rPredicateValue
97 : , OUString* _pErrorMessage = NULL) const;
98 :
99 : /** get the value of the predicate, either as an empty or as a string
100 : @param _rPredicateValue
101 : the value which has been normalized using normalizePredicateString
102 : @param _rxField
103 : is the field for which a predicate is to be entered
104 : @param _pErrorMessage
105 : If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument
106 : points to.
107 : @see normalizePredicateString
108 : */
109 : ::com::sun::star::uno::Any getPredicateValue(
110 : const OUString& _rPredicateValue,
111 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & _rxField,
112 : OUString* _pErrorMessage = NULL
113 : ) const;
114 :
115 : private:
116 : ::connectivity::OSQLParseNode* implPredicateTree(
117 : OUString& _rErrorMessage,
118 : const OUString& _rStatement,
119 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & _rxField
120 : ) const;
121 :
122 : bool getSeparatorChars(
123 : const ::com::sun::star::lang::Locale& _rLocale,
124 : sal_Unicode& _rDecSep,
125 : sal_Unicode& _rThdSep
126 : ) const;
127 :
128 : ::com::sun::star::uno::Any implParseNode(::connectivity::OSQLParseNode* pParseNode, bool _bForStatementUse) const;
129 : };
130 :
131 :
132 : } // namespace dbtools
133 :
134 :
135 : #endif // INCLUDED_CONNECTIVITY_PREDICATEINPUT_HXX
136 :
137 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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