/* -*- 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_COMPHELPER_CONFIGURATIONHELPER_HXX #define INCLUDED_COMPHELPER_CONFIGURATIONHELPER_HXX #include #include #include #include #include namespace com::sun::star::uno { class XComponentContext; } namespace com::sun::star::uno { class XInterface; } namespace comphelper { /** specify all possible modes, which can be used to open a configuration access. * * @see openConfig() * @see readDirectKey() * @see writeDirectKey() */ enum class EConfigurationModes { /// opens configuration in read/write mode (without LAZY writing!) Standard = 0, /// configuration will be opened readonly ReadOnly = 1, /// all localized nodes will be interpreted as XInterface instead of interpreting it as atomic value nodes AllLocales = 2 }; } namespace o3tl { template<> struct typed_flags : is_typed_flags {}; } namespace comphelper { class COMPHELPER_DLLPUBLIC ConfigurationHelper { public: /** returns access to the specified configuration package. * * This method should be used, if e.g. more than one request to the same * configuration package is needed. The configuration access can be cached * outside and used inbetween. * * @param rxContext * the uno service manager, which should be used to create the * configuration access. * * @param sPackage * the name of the configuration package. * e.g.
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  • org.openoffice.Office.Common
    • *
  • org.openoffice.Office.Common/Menu
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* * @param eMode * specify the open mode for the returned configuration access. * It's interpreted as a flag field and can be any useful combination * of values of EConfigurationModes. * * @throw Any exceptions the underlying configuration can throw. * E.g. css::uno::Exception if the configuration could not be opened. */ static css::uno::Reference< css::uno::XInterface > openConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext, const OUString& sPackage, EConfigurationModes eMode ); /** reads the value of an existing(!) configuration key, * which is searched relative to the specified configuration access. * * This method must be used in combination with openConfig(). * The cached configuration access must be provided here ... and * all operations are made relative to this access point. * * @param xCFG * the configuration root, where sRelPath should be interpreted. * as relative path * * @param sRelPath * path relative to xCFG parameter. * * @param sKey * the configuration node, where we should read the value. * * @return [css.uno.Any] * the value of sKey. * * @throw Any exceptions the underlying configuration can throw. * E.g. css::container::NoSuchElementException if the specified * key does not exists. */ static css::uno::Any readRelativeKey(const css::uno::Reference< css::uno::XInterface >& xCFG , const OUString& sRelPath, const OUString& sKey ); /** writes a new value for an existing(!) configuration key, * which is searched relative to the specified configuration access. * * This method must be used in combination with openConfig(). * The cached configuration access must be provided here ... and * all operations are made relative to this access point. * * @param xCFG * the configuration root, where sRelPath should be interpreted. * as relative path * * @param sRelPath * path relative to xCFG parameter. * * @param sKey * the configuration node, where we should write the new value. * * @param aValue * the new value for sKey. * * @throw Any exceptions the underlying configuration can throw. * E.g. css::container::NoSuchElementException if the specified * key does not exists or css::uno::Exception if the provided configuration * access does not allow writing for this key. */ static void writeRelativeKey(const css::uno::Reference< css::uno::XInterface >& xCFG , const OUString& sRelPath, const OUString& sKey , const css::uno::Any& aValue ); /** it checks if the specified set node exists ... or create an empty one * otherwise. * * This method must be used in combination with openConfig(). * The cached configuration access must be provided here ... and * all operations are made relative to this access point. * * Further this method must be used only with configuration set's. * Atomic keys can't be "created"... they "exist every time". * * @param xCFG * the configuration root, where sRelPathToSet should be interpreted * as relative path. * * @param sRelPathToSet * path relative to xCFG parameter. * * @param sSetNode * the set node, which should be checked if it exists... * or which should be created with default values. * * @return A reference to the found (or new created) set node. * Can't be NULL .. in such case an exception occurs! * * @throw Any exceptions the underlying configuration can throw. * E.g. css::uno::Exception if the provided configuration * access does not allow writing for this set. */ static css::uno::Reference< css::uno::XInterface > makeSureSetNodeExists(const css::uno::Reference< css::uno::XInterface >& xCFG , const OUString& sRelPathToSet, const OUString& sSetNode ); /** commit all changes made on the specified configuration access. * * This method must be used in combination with openConfig(). * The cached configuration access must be provided here. * * @param xCFG * the configuration root, where changes should be committed. * * @throw Any exceptions the underlying configuration can throw. * E.g. css::uno::Exception if the provided configuration * access does not allow writing for this set. */ static void flush(const css::uno::Reference< css::uno::XInterface >& xCFG); /** does the same then openConfig() & readRelativeKey() together. * * This method should be used for reading one key at one code place only. * Because it opens the specified configuration package, reads the key and * closes the configuration again. * * So it's not very useful to use this method for reading multiple keys at the same time. * (Excepting these keys exists inside different configuration packages ...)) */ static css::uno::Any readDirectKey(const css::uno::Reference< css::uno::XComponentContext >& rxContext, const OUString& sPackage, const OUString& sRelPath, const OUString& sKey , EConfigurationModes eMode ); /** does the same then openConfig() / writeRelativeKey() & flush() together. * * This method should be used for writing one key at one code place only. * Because it opens the specified configuration package, writes the key, flush * all changes and closes the configuration again. * * So it's not very useful to use this method for writing multiple keys at the same time. * (Excepting these keys exists inside different configuration packages ...)) */ static void writeDirectKey(const css::uno::Reference< css::uno::XComponentContext >& rxContext, const OUString& sPackage, const OUString& sRelPath, const OUString& sKey , const css::uno::Any& aValue , EConfigurationModes eMode ); }; } // namespace comphelper #endif // INCLUDED_COMPHELPER_CONFIGURATIONHELPER_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ue='feature/barcode'>feature/barcode LibreOffice 核心代码仓库文档基金会
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