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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /ucb/source/ucp/ext/ucpext_provider.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | ucb/source/ucp/ext/ucpext_provider.cxx | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/ucb/source/ucp/ext/ucpext_provider.cxx b/ucb/source/ucp/ext/ucpext_provider.cxx new file mode 100644 index 000000000..765ea7856 --- /dev/null +++ b/ucb/source/ucp/ext/ucpext_provider.cxx @@ -0,0 +1,171 @@ +/* -*- 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 . + */ + +#include "ucpext_provider.hxx" +#include "ucpext_content.hxx" + +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <cppuhelper/weak.hxx> +#include <ucbhelper/contentidentifier.hxx> +#include <osl/mutex.hxx> +#include <rtl/ustrbuf.hxx> + + +namespace ucb::ucp::ext +{ + + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::ucb::XContentIdentifier; + using ::com::sun::star::ucb::IllegalIdentifierException; + using ::com::sun::star::ucb::XContent; + using ::com::sun::star::uno::XComponentContext; + + + //= ContentProvider + + + ContentProvider::ContentProvider( const Reference< XComponentContext >& rxContext ) + :ContentProvider_Base( rxContext ) + { + } + + + ContentProvider::~ContentProvider() + { + } + + + OUString SAL_CALL ContentProvider::getImplementationName() + { + return "org.openoffice.comp.ucp.ext.ContentProvider"; + } + + + Sequence< OUString > SAL_CALL ContentProvider::getSupportedServiceNames( ) + { + return { "com.sun.star.ucb.ContentProvider", "com.sun.star.ucb.ExtensionContentProvider" }; + } + + + OUString ContentProvider::getRootURL() + { + return "vnd.sun.star.extension://"; + } + + + OUString ContentProvider::getArtificialNodeContentType() + { + return "application/vnd.sun.star.extension-content"; + } + + + namespace + { + void lcl_ensureAndTransfer( std::u16string_view& io_rIdentifierFragment, OUStringBuffer& o_rNormalization, const sal_Unicode i_nLeadingChar ) + { + if ( ( io_rIdentifierFragment.empty() ) || ( io_rIdentifierFragment[0] != i_nLeadingChar ) ) + throw IllegalIdentifierException(); + io_rIdentifierFragment = io_rIdentifierFragment.substr( 1 ); + o_rNormalization.append( i_nLeadingChar ); + } + } + + + Reference< XContent > SAL_CALL ContentProvider::queryContent( const Reference< XContentIdentifier >& i_rIdentifier ) + { + // Check URL scheme... + static const OUStringLiteral sScheme( u"vnd.sun.star.extension" ); + if ( !i_rIdentifier->getContentProviderScheme().equalsIgnoreAsciiCase( sScheme ) ) + throw IllegalIdentifierException(); + + // normalize the identifier + const OUString sIdentifier( i_rIdentifier->getContentIdentifier() ); + + // the scheme needs to be lower-case + OUStringBuffer aComposer; + aComposer.append( sIdentifier.copy( 0, sScheme.getLength() ).toAsciiLowerCase() ); + + // one : is required after the scheme + std::u16string_view sRemaining( sIdentifier.subView( sScheme.getLength() ) ); + lcl_ensureAndTransfer( sRemaining, aComposer, ':' ); + + // and at least one / + lcl_ensureAndTransfer( sRemaining, aComposer, '/' ); + + // the normalized form requires one additional /, but we also accept identifiers which don't have it + if ( sRemaining.empty() ) + { + // the root content is a special case, it requires / + aComposer.append( "//" ); + } + else + { + if ( sRemaining[0] != '/' ) + { + aComposer.append( '/' ); + aComposer.append( sRemaining ); + } + else + { + lcl_ensureAndTransfer( sRemaining, aComposer, '/' ); + // by now, we moved "vnd.sun.star.extension://" from the URL to aComposer + if ( sRemaining.empty() ) + { + // again, it's the root content, but one / is missing + aComposer.append( '/' ); + } + else + { + aComposer.append( sRemaining ); + } + } + } + const Reference< XContentIdentifier > xNormalizedIdentifier( new ::ucbhelper::ContentIdentifier( aComposer.makeStringAndClear() ) ); + + ::osl::MutexGuard aGuard( m_aMutex ); + + // check if a content with given id already exists... + Reference< XContent > xContent( queryExistingContent( xNormalizedIdentifier ) ); + if ( xContent.is() ) + return xContent; + + // create a new content + xContent = new Content( m_xContext, this, xNormalizedIdentifier ); + if ( !xContent->getIdentifier().is() ) + throw IllegalIdentifierException(); + + registerNewContent( xContent ); + return xContent; + } + + +} // namespace ucb::ucp::ext + + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +ucb_ext_ContentProvider_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&) +{ + return cppu::acquire(new ucb::ucp::ext::ContentProvider(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |