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-rw-r--r-- | include/connectivity/predicateinput.hxx | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/include/connectivity/predicateinput.hxx b/include/connectivity/predicateinput.hxx new file mode 100644 index 0000000000..3d9fb0a71a --- /dev/null +++ b/include/connectivity/predicateinput.hxx @@ -0,0 +1,129 @@ +/* -*- 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_PREDICATEINPUT_HXX +#define INCLUDED_CONNECTIVITY_PREDICATEINPUT_HXX + +#include <connectivity/sqlparse.hxx> +#include <connectivity/dbtoolsdllapi.hxx> +#include <com/sun/star/uno/Any.hxx> + +namespace com::sun::star::beans { class XPropertySet; } +namespace com::sun::star::i18n { class XLocaleData4; } +namespace com::sun::star::sdbc { class XConnection; } +namespace com::sun::star::uno { class XComponentContext; } +namespace com::sun::star::util { class XNumberFormatter; } + + + +namespace dbtools +{ + + + //= OPredicateInputController + + /** A class which allows input of an SQL predicate for a row set column + into an edit field. + */ + class OOO_DLLPUBLIC_DBTOOLS OPredicateInputController + { + private: + css::uno::Reference< css::sdbc::XConnection > + m_xConnection; + css::uno::Reference< css::util::XNumberFormatter > + m_xFormatter; + css::uno::Reference< css::i18n::XLocaleData4 > + m_xLocaleData; + + ::connectivity::OSQLParser + m_aParser; + + public: + OPredicateInputController( + const css::uno::Reference< css::uno::XComponentContext >& rxContext, + const css::uno::Reference< css::sdbc::XConnection >& _rxConnection, + const ::connectivity::IParseContext* _pParseContext = nullptr + ); + + /** transforms a "raw" predicate value (usually obtained from a user input) into a valid predicate for the given column + @param _rPredicateValue + The text to normalize. + @param _rxField + The field for which the text should be a predicate value. + @param _pErrorMessage + If not <NULL/>, and a parsing error occurs, the error message will be copied to the string the argument + points to. + */ + bool normalizePredicateString( + OUString& _rPredicateValue, + const css::uno::Reference< css::beans::XPropertySet >& _rxField, + OUString* _pErrorMessage = nullptr + ) const; + + /** get the value of the predicate, as a string to be used in a WHERE clause + @param _rPredicateValue + the value which has been normalized using normalizePredicateString + @param _rxField + is the field for which a predicate is to be entered + @see normalizePredicateString + */ + OUString getPredicateValueStr( + const OUString& _rPredicateValue, + const css::uno::Reference< css::beans::XPropertySet > & _rxField + ) const; + + OUString getPredicateValueStr( + const OUString& _sField + , const OUString& _rPredicateValue) const; + + /** get the value of the predicate, either as an empty or as a string + @param _rPredicateValue + the value which has been normalized using normalizePredicateString + @param _rxField + is the field for which a predicate is to be entered + @see normalizePredicateString + */ + css::uno::Any getPredicateValue( + const OUString& _rPredicateValue, + const css::uno::Reference< css::beans::XPropertySet > & _rxField + ) const; + + private: + std::unique_ptr<::connectivity::OSQLParseNode> implPredicateTree( + OUString& _rErrorMessage, + const OUString& _rStatement, + const css::uno::Reference< css::beans::XPropertySet > & _rxField + ) const; + + bool getSeparatorChars( + const css::lang::Locale& _rLocale, + sal_Unicode& _rDecSep, + sal_Unicode& _rThdSep + ) const; + + css::uno::Any implParseNode(std::unique_ptr<::connectivity::OSQLParseNode> pParseNode, bool _bForStatementUse) const; + }; + + +} // namespace dbtools + + +#endif // INCLUDED_CONNECTIVITY_PREDICATEINPUT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |