Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 221 insertions, 0 deletions

diff --git a/writerperfect/source/common/DirectoryStream.cxx b/writerperfect/source/common/DirectoryStream.cxx
new file mode 100644
index 000000000..28c38daa6
--- /dev/null
+++ b/writerperfect/source/common/DirectoryStream.cxx
@@ -0,0 +1,221 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* writerperfect
+ * Version: MPL 2.0 / LGPLv2.1+
+ *
+ * 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/.
+ *
+ * Major Contributor(s):
+ * Copyright (C) 2007 Fridrich Strba (fridrich.strba@bluewin.ch)
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms
+ * of the GNU Lesser General Public License Version 2.1 or later
+ * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
+ * applicable instead of those above.
+ *
+ * For further information visit http://libwpd.sourceforge.net
+ */
+
+#include <memory>
+#include <com/sun/star/container/XChild.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/sdbc/XResultSet.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/ucb/XContent.hpp>
+#include <com/sun/star/ucb/XContentAccess.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+#include <comphelper/processfactory.hxx>
+
+#include <rtl/ustring.hxx>
+
+#include <ucbhelper/content.hxx>
+
+#include <DirectoryStream.hxx>
+#include <WPXSvInputStream.hxx>
+
+namespace io = com::sun::star::io;
+namespace sdbc = com::sun::star::sdbc;
+namespace ucb = com::sun::star::ucb;
+namespace uno = com::sun::star::uno;
+
+namespace writerperfect
+{
+namespace
+{
+uno::Reference<io::XInputStream> findStream(ucbhelper::Content& rContent, std::u16string_view rName)
+{
+    uno::Reference<io::XInputStream> xInputStream;
+
+    uno::Sequence<OUString> lPropNames{ "Title" };
+    try
+    {
+        const uno::Reference<sdbc::XResultSet> xResultSet(
+            rContent.createCursor(lPropNames, ucbhelper::INCLUDE_DOCUMENTS_ONLY));
+        if (xResultSet->first())
+        {
+            const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
+                                                                     uno::UNO_QUERY_THROW);
+            const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
+            do
+            {
+                const OUString aTitle(xRow->getString(1));
+                if (aTitle == rName)
+                {
+                    const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
+                    ucbhelper::Content aSubContent(xSubContent,
+                                                   uno::Reference<ucb::XCommandEnvironment>(),
+                                                   comphelper::getProcessComponentContext());
+                    xInputStream = aSubContent.openStream();
+                    break;
+                }
+            } while (xResultSet->next());
+        }
+    }
+    catch (const uno::RuntimeException&)
+    {
+        // ignore
+    }
+    catch (const uno::Exception&)
+    {
+        // ignore
+    }
+
+    return xInputStream;
+}
+}
+
+struct DirectoryStream::Impl
+{
+    explicit Impl(const uno::Reference<ucb::XContent>& rxContent);
+
+    uno::Reference<ucb::XContent> xContent;
+};
+
+DirectoryStream::Impl::Impl(const uno::Reference<ucb::XContent>& rxContent)
+    : xContent(rxContent)
+{
+}
+
+DirectoryStream::DirectoryStream(const css::uno::Reference<css::ucb::XContent>& xContent)
+    : m_pImpl(isDirectory(xContent) ? new Impl(xContent) : nullptr)
+{
+}
+
+DirectoryStream::~DirectoryStream() {}
+
+bool DirectoryStream::isDirectory(const css::uno::Reference<css::ucb::XContent>& xContent)
+{
+    try
+    {
+        if (!xContent.is())
+            return false;
+
+        ucbhelper::Content aContent(xContent, uno::Reference<ucb::XCommandEnvironment>(),
+                                    comphelper::getProcessComponentContext());
+        return aContent.isFolder();
+    }
+    catch (...)
+    {
+        return false;
+    }
+}
+
+std::unique_ptr<DirectoryStream>
+DirectoryStream::createForParent(const css::uno::Reference<css::ucb::XContent>& xContent)
+{
+    try
+    {
+        if (!xContent.is())
+            return nullptr;
+
+        std::unique_ptr<DirectoryStream> pDir;
+
+        const uno::Reference<css::container::XChild> xChild(xContent, uno::UNO_QUERY);
+        if (xChild.is())
+        {
+            const uno::Reference<ucb::XContent> xDirContent(xChild->getParent(), uno::UNO_QUERY);
+            if (xDirContent.is())
+            {
+                pDir = std::make_unique<DirectoryStream>(xDirContent);
+                if (!pDir->isStructured())
+                    pDir.reset();
+            }
+        }
+
+        return pDir;
+    }
+    catch (...)
+    {
+        return nullptr;
+    }
+}
+
+css::uno::Reference<css::ucb::XContent> DirectoryStream::getContent() const
+{
+    if (!m_pImpl)
+        return css::uno::Reference<css::ucb::XContent>();
+    return m_pImpl->xContent;
+}
+
+bool DirectoryStream::isStructured() { return m_pImpl != nullptr; }
+
+unsigned DirectoryStream::subStreamCount()
+{
+    // TODO: implement me
+    return 0;
+}
+
+const char* DirectoryStream::subStreamName(unsigned /* id */)
+{
+    // TODO: implement me
+    return nullptr;
+}
+
+bool DirectoryStream::existsSubStream(const char* /* name */)
+{
+    // TODO: implement me
+    return false;
+}
+
+librevenge::RVNGInputStream* DirectoryStream::getSubStreamByName(const char* const pName)
+{
+    if (!m_pImpl)
+        return nullptr;
+
+    ucbhelper::Content aContent(m_pImpl->xContent, uno::Reference<ucb::XCommandEnvironment>(),
+                                comphelper::getProcessComponentContext());
+    const uno::Reference<io::XInputStream> xInputStream(
+        findStream(aContent, OUString::createFromAscii(pName)));
+    if (xInputStream.is())
+        return new WPXSvInputStream(xInputStream);
+
+    return nullptr;
+}
+
+librevenge::RVNGInputStream* DirectoryStream::getSubStreamById(unsigned /* id */)
+{
+    // TODO: implement me
+    return nullptr;
+}
+
+const unsigned char* DirectoryStream::read(unsigned long, unsigned long& nNumBytesRead)
+{
+    nNumBytesRead = 0;
+    return nullptr;
+}
+
+int DirectoryStream::seek(long, librevenge::RVNG_SEEK_TYPE) { return -1; }
+
+long DirectoryStream::tell() { return 0; }
+
+bool DirectoryStream::isEnd() { return true; }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */