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Diffstat (limited to 'ucb/source/ucp/hierarchy/hierarchyuri.cxx')
| -rw-r--r-- | ucb/source/ucp/hierarchy/hierarchyuri.cxx | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/ucb/source/ucp/hierarchy/hierarchyuri.cxx b/ucb/source/ucp/hierarchy/hierarchyuri.cxx new file mode 100644 index 000000000..618a64022 --- /dev/null +++ b/ucb/source/ucp/hierarchy/hierarchyuri.cxx @@ -0,0 +1,178 @@ +/* -*- 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 . + */ + + +/************************************************************************** + TODO + ************************************************************************** + + *************************************************************************/ + +#include "hierarchyuri.hxx" + +using namespace hierarchy_ucp; + +constexpr OUStringLiteral HIERARCHY_URL_SCHEME = u"vnd.sun.star.hier"; +constexpr OUStringLiteral DEFAULT_DATA_SOURCE_SERVICE = + u"com.sun.star.ucb.DefaultHierarchyDataSource"; + + +// HierarchyUri Implementation. + + +void HierarchyUri::init() const +{ + // Already inited? + if ( m_aUri.isEmpty() || !m_aPath.isEmpty() ) + return; + + // Note: Maybe it's a re-init, setUri only resets m_aPath! + m_aService.clear(); + m_aParentUri.clear(); + + // URI must match at least: <scheme>: + if ( m_aUri.getLength() < HIERARCHY_URL_SCHEME.getLength() + 1 ) + { + // error, but remember that we did an init(). + m_aPath = "/"; + return; + } + + // Scheme is case insensitive. + OUString aScheme + = m_aUri.copy( 0, HIERARCHY_URL_SCHEME.getLength() ).toAsciiLowerCase(); + if ( aScheme == HIERARCHY_URL_SCHEME ) + { + m_aUri = m_aUri.replaceAt( 0, aScheme.getLength(), aScheme ); + + sal_Int32 nPos = 0; + + // If the URI has no service specifier, insert default service. + // This is for backward compatibility and for convenience. + + if ( m_aUri.getLength() == HIERARCHY_URL_SCHEME.getLength() + 1 ) + { + // root folder URI without path and service specifier. + m_aUri += "//" + DEFAULT_DATA_SOURCE_SERVICE + "/"; + m_aService = DEFAULT_DATA_SOURCE_SERVICE ; + + nPos = m_aUri.getLength() - 1; + } + else if ( ( m_aUri.getLength() == HIERARCHY_URL_SCHEME.getLength() + 2 ) + && + ( m_aUri[ HIERARCHY_URL_SCHEME.getLength() + 1 ] == '/' ) ) + { + // root folder URI without service specifier. + m_aUri += "/" + DEFAULT_DATA_SOURCE_SERVICE + "/"; + m_aService = DEFAULT_DATA_SOURCE_SERVICE; + + nPos = m_aUri.getLength() - 1; + } + else if ( ( m_aUri.getLength() > HIERARCHY_URL_SCHEME.getLength() + 2 ) + && + ( m_aUri[ HIERARCHY_URL_SCHEME.getLength() + 2 ] != '/' ) ) + { + // other (no root folder) URI without service specifier. + m_aUri = m_aUri.replaceAt( + HIERARCHY_URL_SCHEME.getLength() + 2, + 0, + rtl::OUStringConcatenation("/" + DEFAULT_DATA_SOURCE_SERVICE + "/") ); + m_aService = DEFAULT_DATA_SOURCE_SERVICE; + + nPos + = HIERARCHY_URL_SCHEME.getLength() + 3 + m_aService.getLength(); + } + else + { + // URI with service specifier. + sal_Int32 nStart = HIERARCHY_URL_SCHEME.getLength() + 3; + + // Here: - m_aUri has at least the form "<scheme>://" + // - nStart points to char after <scheme>: + + // Only <scheme>:// ? + if ( nStart == m_aUri.getLength() ) + { + // error, but remember that we did an init(). + m_aPath = "/"; + return; + } + + // Empty path segments? + if ( m_aUri.indexOf("//", nStart) != -1 ) + { + // error, but remember that we did an init(). + m_aPath = "/"; + return; + } + + sal_Int32 nEnd = m_aUri.indexOf( '/', nStart ); + + // Only <scheme>:/// ? + if ( nEnd == nStart ) + { + // error, but remember that we did an init(). + m_aPath = "/"; + return; + } + + if ( nEnd == -1 ) + { + // Trailing slash missing. + nEnd = m_aUri.getLength(); + m_aUri += "/"; + } + + m_aService = m_aUri.copy( nStart, nEnd - nStart ); + + nPos = nEnd; + } + + // Here: - m_aUri has at least the form "<scheme>://<service>/" + // - m_aService was set + // - m_aPath, m_aParentPath, m_aName not yet set + // - nPos points to slash after service specifier + + // Remove trailing slash, if not a root folder URI. + sal_Int32 nEnd = m_aUri.lastIndexOf( '/' ); + if ( ( nEnd > nPos ) && ( nEnd == ( m_aUri.getLength() - 1 ) ) ) + m_aUri = m_aUri.copy( 0, nEnd ); + + // Path (includes leading slash) + m_aPath = m_aUri.copy( nPos ); + + // parent URI + name + sal_Int32 nLastSlash = m_aUri.lastIndexOf( '/' ); + if ( ( nLastSlash != -1 ) && + ( nLastSlash != m_aUri.getLength() - 1 ) ) // root + { + m_aParentUri = m_aUri.copy( 0, nLastSlash ); + } + + // success + m_bValid = true; + } + else + { + // error, but remember that we did an init(). + m_aPath = "/"; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |