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

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

7 files changed, 1904 insertions, 0 deletions

diff --git a/stoc/source/uriproc/ExternalUriReferenceTranslator.cxx b/stoc/source/uriproc/ExternalUriReferenceTranslator.cxx
new file mode 100644
index 000000000..b9e2ca4e9
--- /dev/null
+++ b/stoc/source/uriproc/ExternalUriReferenceTranslator.cxx
@@ -0,0 +1,187 @@
+/* -*- 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 <sal/config.h>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uri/XExternalUriReferenceTranslator.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <osl/thread.h>
+#include <rtl/string.h>
+#include <rtl/textenc.h>
+#include <rtl/uri.h>
+#include <rtl/uri.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace com::sun::star::uno { class XInterface; }
+namespace com::sun::star::uno { class XComponentContext; }
+
+namespace {
+
+class Translator:
+    public cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::uri::XExternalUriReferenceTranslator>
+{
+public:
+    Translator() {}
+
+    Translator(const Translator&) = delete;
+    Translator& operator=(const Translator&) = delete;
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual OUString SAL_CALL
+    translateToInternal(OUString const & externalUriReference) override;
+
+    virtual OUString SAL_CALL
+    translateToExternal(OUString const & internalUriReference) override;
+
+private:
+    virtual ~Translator() override {}
+};
+
+OUString Translator::getImplementationName()
+{
+    return "com.sun.star.comp.uri.ExternalUriReferenceTranslator";
+}
+
+sal_Bool Translator::supportsService(OUString const & serviceName)
+{
+    return cppu::supportsService(this, serviceName);
+}
+
+css::uno::Sequence< OUString > Translator::getSupportedServiceNames()
+{
+    css::uno::Sequence< OUString > s { "com.sun.star.uri.ExternalUriReferenceTranslator" };
+    return s;
+}
+
+OUString Translator::translateToInternal(
+    OUString const & externalUriReference)
+{
+    if (!externalUriReference.matchIgnoreAsciiCase("file:/"))
+    {
+        return externalUriReference;
+    }
+    sal_Int32 i = RTL_CONSTASCII_LENGTH("file:");
+    OUStringBuffer buf(128);
+    buf.append(externalUriReference.subView(0, i));
+    // Some environments (e.g., Java) produce illegal file URLs without an
+    // authority part; treat them as having an empty authority part:
+    if (!externalUriReference.match("//", i))
+    {
+        buf.append("//");
+    }
+    rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+    for (bool path = true;;) {
+        sal_Int32 j = i;
+        while (j != externalUriReference.getLength()
+               && externalUriReference[j] != '#'
+               && (!path || externalUriReference[j] != '/'))
+        {
+            ++j;
+        }
+        if (j != i) {
+            OUString seg(
+                rtl::Uri::encode(
+                    rtl::Uri::decode(
+                        externalUriReference.copy(i, j - i),
+                        rtl_UriDecodeStrict, encoding),
+                    rtl_UriCharClassPchar, rtl_UriEncodeStrict,
+                    RTL_TEXTENCODING_UTF8));
+            if (seg.isEmpty()) {
+                return OUString();
+            }
+            buf.append(seg);
+        }
+        if (j == externalUriReference.getLength()) {
+            break;
+        }
+        buf.append(externalUriReference[j]);
+        path = externalUriReference[j] == '/';
+        i = j + 1;
+    }
+    return buf.makeStringAndClear();
+}
+
+OUString Translator::translateToExternal(
+    OUString const & internalUriReference)
+{
+    if (!internalUriReference.matchIgnoreAsciiCase("file://"))
+    {
+        return internalUriReference;
+    }
+    sal_Int32 i = RTL_CONSTASCII_LENGTH("file://");
+    OUStringBuffer buf(128);
+    buf.append(internalUriReference.subView(0, i));
+    rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+    for (bool path = true;;) {
+        sal_Int32 j = i;
+        while (j != internalUriReference.getLength()
+               && internalUriReference[j] != '#'
+               && (!path || internalUriReference[j] != '/'))
+        {
+            ++j;
+        }
+        if (j != i) {
+            // Use rtl_UriDecodeToIuri -> rtl_UriEncodeStrictKeepEscapes instead
+            // of rtl_UriDecodeStrict -> rtl_UriEncodeStrict, so that spurious
+            // non--UTF-8 octets like "%FE" are copied verbatim:
+            OUString seg(
+                rtl::Uri::encode(
+                    rtl::Uri::decode(
+                        internalUriReference.copy(i, j - i),
+                        rtl_UriDecodeToIuri, RTL_TEXTENCODING_UTF8),
+                    rtl_UriCharClassPchar, rtl_UriEncodeStrictKeepEscapes,
+                    encoding));
+            if (seg.isEmpty()) {
+                return OUString();
+            }
+            buf.append(seg);
+        }
+        if (j == internalUriReference.getLength()) {
+            break;
+        }
+        buf.append(internalUriReference[j]);
+        path = internalUriReference[j] == '/';
+        i = j + 1;
+    }
+    return buf.makeStringAndClear();
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_uri_ExternalUriReferenceTranslator_get_implementation(css::uno::XComponentContext* ,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    return ::cppu::acquire(new Translator);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/UriReference.cxx b/stoc/source/uriproc/UriReference.cxx
new file mode 100644
index 000000000..e8f7db0bf
--- /dev/null
+++ b/stoc/source/uriproc/UriReference.cxx
@@ -0,0 +1,183 @@
+/* -*- 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 <sal/config.h>
+
+#include <cassert>
+
+#include "UriReference.hxx"
+
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+using stoc::uriproc::UriReference;
+
+UriReference::UriReference(
+    OUString const & scheme, bool bHasAuthority,
+    OUString const & authority, OUString const & path,
+    bool bHasQuery, OUString const & query):
+    m_path(path),
+    m_scheme(scheme),
+    m_authority(authority),
+    m_query(query),
+    m_hasAuthority(bHasAuthority),
+    m_hasQuery(bHasQuery),
+    m_hasFragment(false)
+{
+    assert(authority.isEmpty() || bHasAuthority);
+    assert(query.isEmpty() || bHasQuery);
+}
+
+UriReference::~UriReference() {}
+
+OUString UriReference::getUriReference()
+{
+    std::lock_guard g(m_mutex);
+    OUStringBuffer buf(128);
+    if (!m_scheme.isEmpty()) {
+        buf.append(m_scheme);
+        buf.append(':');
+    }
+    appendSchemeSpecificPart(buf);
+    if (m_hasFragment) {
+        buf.append('#');
+        buf.append(m_fragment);
+    }
+    return buf.makeStringAndClear();
+}
+
+bool UriReference::isAbsolute() const {
+    return !m_scheme.isEmpty();
+}
+
+
+OUString UriReference::getSchemeSpecificPart()
+{
+    std::lock_guard g(m_mutex);
+    OUStringBuffer buf;
+    appendSchemeSpecificPart(buf);
+    return buf.makeStringAndClear();
+}
+
+bool UriReference::isHierarchical() {
+    std::lock_guard g(m_mutex);
+    return m_scheme.isEmpty() || m_hasAuthority || m_path.startsWith("/");
+}
+
+bool UriReference::hasAuthority() const {
+    return m_hasAuthority;
+}
+
+const OUString& UriReference::getAuthority() const {
+    return m_authority;
+}
+
+OUString UriReference::getPath() {
+    std::lock_guard g(m_mutex);
+    return m_path;
+}
+
+bool UriReference::hasRelativePath() {
+    std::lock_guard g(m_mutex);
+    return !m_hasAuthority
+        && (m_path.isEmpty() || m_path[0] != '/');
+}
+
+sal_Int32 UriReference::getPathSegmentCount()
+{
+    std::lock_guard g(m_mutex);
+    if (m_path.isEmpty()) {
+        return 0;
+    } else {
+        sal_Int32 n = m_path[0] == '/' ? 0 : 1;
+        for (sal_Int32 i = 0;; ++i) {
+            i = m_path.indexOf('/', i);
+            if (i < 0) {
+                break;
+            }
+            ++n;
+        }
+        return n;
+    }
+}
+
+OUString UriReference::getPathSegment(sal_Int32 index)
+{
+    std::lock_guard g(m_mutex);
+    if (!m_path.isEmpty() && index >= 0) {
+        for (sal_Int32 i = m_path[0] == '/' ? 1 : 0;; ++i) {
+            if (index-- == 0) {
+                sal_Int32 j = m_path.indexOf('/', i);
+                return j < 0 ? m_path.copy(i) : m_path.copy(i, j - i);
+            }
+            i = m_path.indexOf('/', i);
+            if (i < 0) {
+                break;
+            }
+        }
+    }
+    return OUString();
+}
+
+bool UriReference::hasQuery() const {
+    return m_hasQuery;
+}
+
+const OUString& UriReference::getQuery() const {
+    return m_query;
+}
+
+bool UriReference::hasFragment() {
+    std::lock_guard g(m_mutex);
+    return m_hasFragment;
+}
+
+OUString UriReference::getFragment() {
+    std::lock_guard g(m_mutex);
+    return m_fragment;
+}
+
+void UriReference::setFragment(OUString const & fragment)
+{
+    std::lock_guard g(m_mutex);
+    m_hasFragment = true;
+    m_fragment = fragment;
+}
+
+void UriReference::clearFragment() {
+    std::lock_guard g(m_mutex);
+    m_hasFragment = false;
+    m_fragment.clear();
+}
+
+void UriReference::appendSchemeSpecificPart(OUStringBuffer & buffer) const
+{
+    if (m_hasAuthority) {
+        buffer.append("//");
+        buffer.append(m_authority);
+    }
+    buffer.append(m_path);
+    if (m_hasQuery) {
+        buffer.append('?');
+        buffer.append(m_query);
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/UriReference.hxx b/stoc/source/uriproc/UriReference.hxx
new file mode 100644
index 000000000..e16453720
--- /dev/null
+++ b/stoc/source/uriproc/UriReference.hxx
@@ -0,0 +1,112 @@
+/* -*- 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_STOC_SOURCE_URIPROC_URIREFERENCE_HXX
+#define INCLUDED_STOC_SOURCE_URIPROC_URIREFERENCE_HXX
+
+#include <mutex>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <rtl/ustrbuf.hxx>
+
+namespace stoc::uriproc {
+
+class UriReference {
+public:
+    UriReference(
+        OUString const & scheme, bool hasAuthority,
+        OUString const & authority, OUString const & path,
+        bool hasQuery, OUString const & query);
+
+    ~UriReference();
+
+    /// @throws css::uno::RuntimeException
+    OUString getUriReference();
+
+    /// @throws css::uno::RuntimeException
+    bool isAbsolute() const;
+
+    /// @throws css::uno::RuntimeException
+    const OUString& getScheme() const { return m_scheme;}
+
+    /// @throws css::uno::RuntimeException
+    OUString getSchemeSpecificPart();
+
+    /// @throws css::uno::RuntimeException
+    bool isHierarchical();
+
+    /// @throws css::uno::RuntimeException
+    bool hasAuthority() const;
+
+    /// @throws css::uno::RuntimeException
+    const OUString& getAuthority() const;
+
+    /// @throws css::uno::RuntimeException
+    OUString getPath();
+
+    /// @throws css::uno::RuntimeException
+    bool hasRelativePath();
+
+    /// @throws css::uno::RuntimeException
+    sal_Int32 getPathSegmentCount();
+
+    /// @throws css::uno::RuntimeException
+    OUString getPathSegment(sal_Int32 index);
+
+    /// @throws css::uno::RuntimeException
+    bool hasQuery() const;
+
+    /// @throws css::uno::RuntimeException
+    const OUString& getQuery() const;
+
+    /// @throws css::uno::RuntimeException
+    bool hasFragment();
+
+    /// @throws css::uno::RuntimeException
+    OUString getFragment();
+
+    /// @throws css::uno::RuntimeException
+    void setFragment(OUString const & fragment);
+
+    /// @throws css::uno::RuntimeException
+    void clearFragment();
+
+    std::mutex m_mutex;
+    OUString m_path;
+
+private:
+    UriReference(UriReference const &) = delete;
+    void operator =(UriReference const &) = delete;
+
+    void appendSchemeSpecificPart(OUStringBuffer & buffer) const;
+
+    OUString m_scheme;
+    OUString m_authority;
+    OUString m_query;
+    OUString m_fragment;
+    bool m_hasAuthority;
+    bool m_hasQuery;
+    bool m_hasFragment;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/UriReferenceFactory.cxx b/stoc/source/uriproc/UriReferenceFactory.cxx
new file mode 100644
index 000000000..254097c17
--- /dev/null
+++ b/stoc/source/uriproc/UriReferenceFactory.cxx
@@ -0,0 +1,719 @@
+/* -*- 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 <sal/config.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstddef>
+#include <string_view>
+#include <utility>
+#include <vector>
+
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/lang/XMultiComponentFactory.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Exception.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <com/sun/star/uri/RelativeUriExcessParentSegments.hpp>
+#include <com/sun/star/uri/XUriReference.hpp>
+#include <com/sun/star/uri/XUriReferenceFactory.hpp>
+#include <com/sun/star/uri/XUriSchemeParser.hpp>
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <rtl/character.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+#include "UriReference.hxx"
+
+namespace {
+
+bool equalIgnoreEscapeCase(std::u16string_view s1, std::u16string_view s2) {
+    if (s1.size() == s2.size()) {
+        for (size_t i = 0; i < s1.size();) {
+            if (s1[i] == '%' && s2[i] == '%' && s1.size() - i > 2
+                && rtl::isAsciiHexDigit(s1[i + 1])
+                && rtl::isAsciiHexDigit(s1[i + 2])
+                && rtl::isAsciiHexDigit(s2[i + 1])
+                && rtl::isAsciiHexDigit(s2[i + 2])
+                && rtl::compareIgnoreAsciiCase(s1[i + 1], s2[i + 1]) == 0
+                && rtl::compareIgnoreAsciiCase(s1[i + 2], s2[i + 2]) == 0)
+            {
+                i += 3;
+            } else if (s1[i] != s2[i]) {
+                return false;
+            } else {
+                ++i;
+            }
+        }
+        return true;
+    } else {
+        return false;
+    }
+}
+
+sal_Int32 parseScheme(std::u16string_view uriReference) {
+    if (uriReference.size() >= 2 && rtl::isAsciiAlpha(uriReference[0])) {
+        for (size_t i = 0; i < uriReference.size(); ++i) {
+            sal_Unicode c = uriReference[i];
+            if (c == ':') {
+                return i;
+            } else if (!rtl::isAsciiAlpha(c) && !rtl::isAsciiDigit(c)
+                       && c != '+' && c != '-' && c != '.')
+            {
+                break;
+            }
+        }
+    }
+    return -1;
+}
+
+class UriReference:
+    public cppu::WeakImplHelper<css::uri::XUriReference>
+{
+public:
+    UriReference(
+        OUString const & scheme, bool bHasAuthority,
+        OUString const & authority, OUString const & path,
+        bool bHasQuery, OUString const & query):
+        m_base(
+            scheme, bHasAuthority, authority, path, bHasQuery,
+            query)
+    {}
+
+    UriReference(const UriReference&) = delete;
+    UriReference& operator=(const UriReference&) = delete;
+
+    virtual OUString SAL_CALL getUriReference() override
+    { return m_base.getUriReference(); }
+
+    virtual sal_Bool SAL_CALL isAbsolute() override
+    { return m_base.isAbsolute(); }
+
+    virtual OUString SAL_CALL getScheme() override
+    { return m_base.getScheme(); }
+
+    virtual OUString SAL_CALL getSchemeSpecificPart() override
+    { return m_base.getSchemeSpecificPart(); }
+
+    virtual sal_Bool SAL_CALL isHierarchical() override
+    { return m_base.isHierarchical(); }
+
+    virtual sal_Bool SAL_CALL hasAuthority() override
+    { return m_base.hasAuthority(); }
+
+    virtual OUString SAL_CALL getAuthority() override
+    { return m_base.getAuthority(); }
+
+    virtual OUString SAL_CALL getPath() override
+    { return m_base.getPath(); }
+
+    virtual sal_Bool SAL_CALL hasRelativePath() override
+    { return m_base.hasRelativePath(); }
+
+    virtual sal_Int32 SAL_CALL getPathSegmentCount() override
+    { return m_base.getPathSegmentCount(); }
+
+    virtual OUString SAL_CALL getPathSegment(sal_Int32 index) override
+    { return m_base.getPathSegment(index); }
+
+    virtual sal_Bool SAL_CALL hasQuery() override
+    { return m_base.hasQuery(); }
+
+    virtual OUString SAL_CALL getQuery() override
+    { return m_base.getQuery(); }
+
+    virtual sal_Bool SAL_CALL hasFragment() override
+    { return m_base.hasFragment(); }
+
+    virtual OUString SAL_CALL getFragment() override
+    { return m_base.getFragment(); }
+
+    virtual void SAL_CALL setFragment(OUString const & fragment) override
+    { m_base.setFragment(fragment); }
+
+    virtual void SAL_CALL clearFragment() override
+    { m_base.clearFragment(); }
+
+private:
+    virtual ~UriReference() override {}
+
+    stoc::uriproc::UriReference m_base;
+};
+
+css::uno::Reference< css::uri::XUriReference > parseGeneric(
+    OUString const & scheme, OUString const & schemeSpecificPart)
+{
+    sal_Int32 len = schemeSpecificPart.getLength();
+    sal_Int32 i = 0;
+    bool hasAuthority = false;
+    OUString authority;
+    if (len - i >= 2 && schemeSpecificPart[i] == '/'
+        && schemeSpecificPart[i + 1] == '/')
+    {
+        i += 2;
+        sal_Int32 n = i;
+        while (i < len && schemeSpecificPart[i] != '/'
+               && schemeSpecificPart[i] != '?') {
+            ++i;
+        }
+        hasAuthority = true;
+        authority = schemeSpecificPart.copy(n, i - n);
+    }
+    sal_Int32 n = i;
+    i = schemeSpecificPart.indexOf('?', i);
+    if (i == -1) {
+        i = len;
+    }
+    OUString path = schemeSpecificPart.copy(n, i - n);
+    bool hasQuery = false;
+    OUString query;
+    if (i != len) {
+        hasQuery = true;
+        query = schemeSpecificPart.copy(i + 1);
+    }
+    return new UriReference(
+        scheme, hasAuthority, authority, path, hasQuery, query);
+}
+
+struct Segment {
+    bool leadingSlash;
+    bool excessParent;
+    std::u16string_view segment;
+
+    Segment(bool theLeadingSlash, bool theExcessParent, std::u16string_view theSegment):
+        leadingSlash(theLeadingSlash), excessParent(theExcessParent), segment(theSegment) {}
+};
+
+std::pair<std::vector<Segment>, bool> processSegments(
+    std::u16string_view first, std::u16string_view second, bool processSpecialSegments)
+{
+    std::vector<Segment> segments;
+    bool processed = false;
+    std::u16string_view const * half = &first;
+        // later checks for `half == &first` and `half == &second` rely on the fact that `first` and
+        // `second` are passed by value, in case a caller passes the same object for both arguments
+    std::size_t index = 0;
+    bool slash = false;
+    if (index == half->length()) {
+        half = &second;
+        index = 0;
+    }
+    if (index != half->length()) {
+        if ((*half)[index] == u'/') {
+            slash = true;
+            ++index;
+        }
+        for (;;) {
+            if (index == half->length() && half == &first) {
+                half = &second;
+                index = 0;
+            }
+            if (index == half->length()) {
+                if (slash) {
+                    segments.emplace_back(true, false, std::u16string_view());
+                }
+                break;
+            }
+            auto const n = std::min(half->find(u'/', index), half->length());
+            auto const leadingSlash = slash;
+            auto const segment = half->substr(index, n - index);
+            auto const process = processSpecialSegments || half == &second;
+            index = n;
+            slash = false;
+            if (index == half->length() && half == &first) {
+                half = &second;
+                index = 0;
+            }
+            if (index != half->length() && (*half)[index] == u'/') {
+                slash = true;
+                ++index;
+            }
+            if (process) {
+                if (segment == u".") {
+                    slash = leadingSlash;
+                    processed = true;
+                    continue;
+                } else if (segment == u"..") {
+                    if (segments.empty() || segments.back().excessParent) {
+                        segments.emplace_back(leadingSlash, true, segment);
+                    } else {
+                        if (leadingSlash) {
+                            segments.pop_back();
+                        }
+                        slash = leadingSlash;
+                    }
+                    processed = true;
+                    continue;
+                }
+            }
+            segments.emplace_back(leadingSlash, false, segment);
+        }
+    }
+    return {segments, processed};
+}
+
+class Factory:
+    public cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::uri::XUriReferenceFactory>
+{
+public:
+    explicit Factory(
+        css::uno::Reference< css::uno::XComponentContext > const & context):
+        m_context(context) {}
+
+    Factory(const Factory&) = delete;
+    Factory& operator=(const Factory&) = delete;
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    parse(OUString const & uriReference) override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    makeAbsolute(
+        css::uno::Reference< css::uri::XUriReference > const & baseUriReference,
+        css::uno::Reference< css::uri::XUriReference > const & uriReference,
+        sal_Bool processAdditionalSpecialSegments,
+        css::uri::RelativeUriExcessParentSegments excessParentSegments) override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    makeRelative(
+        css::uno::Reference< css::uri::XUriReference > const & baseUriReference,
+        css::uno::Reference< css::uri::XUriReference > const & uriReference,
+        sal_Bool preferAuthorityOverRelativePath,
+        sal_Bool preferAbsoluteOverRelativePath,
+        sal_Bool encodeRetainedSpecialSegments) override;
+
+private:
+    virtual ~Factory() override {}
+
+    css::uno::Reference< css::uri::XUriReference > clone(
+        css::uno::Reference< css::uri::XUriReference > const & uriReference)
+    { return parse(uriReference->getUriReference()); }
+
+    css::uno::Reference< css::uno::XComponentContext > m_context;
+};
+
+OUString Factory::getImplementationName()
+{
+    return "com.sun.star.comp.uri.UriReferenceFactory";
+}
+
+sal_Bool Factory::supportsService(OUString const & serviceName)
+{
+    return cppu::supportsService(this, serviceName);
+}
+
+css::uno::Sequence< OUString > Factory::getSupportedServiceNames()
+{
+    css::uno::Sequence< OUString > s { "com.sun.star.uri.UriReferenceFactory" };
+    return s;
+}
+
+css::uno::Reference< css::uri::XUriReference > Factory::parse(
+    OUString const & uriReference)
+{
+    sal_Int32 fragment = uriReference.indexOf('#');
+    if (fragment == -1) {
+        fragment = uriReference.getLength();
+    }
+    OUString scheme;
+    OUString schemeSpecificPart;
+    OUString serviceName;
+    sal_Int32 n = parseScheme(uriReference);
+    assert(n < fragment);
+    if (n >= 0) {
+        scheme = uriReference.copy(0, n);
+        schemeSpecificPart = uriReference.copy(n + 1, fragment - (n + 1));
+        OUStringBuffer buf(128);
+        buf.append("com.sun.star.uri.UriSchemeParser_");
+        for (sal_Int32 i = 0; i < scheme.getLength(); ++i) {
+            sal_Unicode c = scheme[i];
+            if (rtl::isAsciiUpperCase(c)) {
+                buf.append(static_cast<sal_Unicode>(rtl::toAsciiLowerCase(c)));
+            } else if (c == '+') {
+                buf.append("PLUS");
+            } else if (c == '-') {
+                buf.append("HYPHEN");
+            } else if (c == '.') {
+                buf.append("DOT");
+            } else {
+                assert(rtl::isAsciiLowerCase(c) || rtl::isAsciiDigit(c));
+                buf.append(c);
+            }
+        }
+        serviceName = buf.makeStringAndClear();
+    } else {
+        schemeSpecificPart = uriReference.copy(0, fragment);
+    }
+    css::uno::Reference< css::uri::XUriSchemeParser > parser;
+    if (!serviceName.isEmpty()) {
+        css::uno::Reference< css::lang::XMultiComponentFactory > factory(
+            m_context->getServiceManager());
+        if (factory.is()) {
+            css::uno::Reference< css::uno::XInterface > service;
+            try {
+                service = factory->createInstanceWithContext(
+                    serviceName, m_context);
+            } catch (css::uno::RuntimeException &) {
+                throw;
+            } catch (const css::uno::Exception &) {
+                css::uno::Any anyEx = cppu::getCaughtException();
+                throw css::lang::WrappedTargetRuntimeException(
+                    "creating service " + serviceName,
+                    static_cast< cppu::OWeakObject * >(this),
+                    anyEx);
+            }
+            if (service.is()) {
+                parser.set( service, css::uno::UNO_QUERY_THROW);
+            }
+        }
+    }
+    css::uno::Reference< css::uri::XUriReference > uriRef(
+        parser.is()
+        ? parser->parse(scheme, schemeSpecificPart)
+        : parseGeneric(scheme, schemeSpecificPart));
+    if (uriRef.is() && fragment != uriReference.getLength()) {
+        uriRef->setFragment(uriReference.copy(fragment + 1));
+    }
+    return uriRef;
+}
+
+css::uno::Reference< css::uri::XUriReference > Factory::makeAbsolute(
+    css::uno::Reference< css::uri::XUriReference > const & baseUriReference,
+    css::uno::Reference< css::uri::XUriReference > const & uriReference,
+    sal_Bool processAdditionalSpecialSegments,
+    css::uri::RelativeUriExcessParentSegments excessParentSegments)
+{
+    if (!baseUriReference.is() || !baseUriReference->isAbsolute()
+        || !uriReference.is()) {
+        return nullptr;
+    } else if (uriReference->isAbsolute()) {
+        if (processAdditionalSpecialSegments) {
+            auto const path = uriReference->getPath();
+            auto [segments, proc] = processSegments(path, {}, true);
+            if (proc) {
+                OUStringBuffer abs(uriReference->getScheme());
+                abs.append(':');
+                if (uriReference->hasAuthority()) {
+                    abs.append("//");
+                    abs.append(uriReference->getAuthority());
+                }
+                for (auto const & i : segments)
+                {
+                    if (i.excessParent) {
+                        switch (excessParentSegments) {
+                        case css::uri::RelativeUriExcessParentSegments_ERROR:
+                            return nullptr;
+
+                        case css::uri::RelativeUriExcessParentSegments_RETAIN:
+                            assert(i.segment == u"..");
+                            break;
+
+                        case css::uri::RelativeUriExcessParentSegments_REMOVE:
+                            continue;
+
+                        default:
+                            assert(false);
+                            break;
+                        }
+                    }
+                    if (i.leadingSlash) {
+                        abs.append('/');
+                    }
+                    abs.append(i.segment);
+                }
+                if (uriReference->hasQuery()) {
+                    abs.append('?');
+                    abs.append(uriReference->getQuery());
+                }
+                if (uriReference->hasFragment()) {
+                    abs.append('#');
+                    abs.append(uriReference->getFragment());
+                }
+                return parse(abs.makeStringAndClear());
+            }
+        }
+        return clone(uriReference);
+    } else if (!uriReference->hasAuthority()
+               && uriReference->getPath().isEmpty()) {
+        OUStringBuffer abs(baseUriReference->getScheme());
+        abs.append(':');
+        if (baseUriReference->hasAuthority()) {
+            abs.append("//");
+            abs.append(baseUriReference->getAuthority());
+        }
+        abs.append(baseUriReference->getPath());
+        if (uriReference->hasQuery()) {
+            abs.append('?');
+            abs.append(uriReference->getQuery());
+        } else if (baseUriReference->hasQuery()) {
+            abs.append('?');
+            abs.append(baseUriReference->getQuery());
+        }
+        if (uriReference->hasFragment()) {
+            abs.append('#');
+            abs.append(uriReference->getFragment());
+        }
+        return parse(abs.makeStringAndClear());
+    } else {
+        OUStringBuffer abs(128);
+        abs.append(baseUriReference->getScheme());
+        abs.append(':');
+        if (uriReference->hasAuthority()) {
+            abs.append("//");
+            abs.append(uriReference->getAuthority());
+        } else if (baseUriReference->hasAuthority()) {
+            abs.append("//");
+            abs.append(baseUriReference->getAuthority());
+        }
+        if (uriReference->hasRelativePath()) {
+            auto path1 = baseUriReference->getPath();
+            if (path1.isEmpty()) {
+                if (baseUriReference->hasAuthority()) {
+                    path1 = "/";
+                }
+            } else {
+                path1 = path1.copy(0, path1.lastIndexOf('/') + 1);
+            }
+            auto const path2 = uriReference->getPath();
+            auto [segments, _] = processSegments(path1, path2, processAdditionalSpecialSegments);
+            (void)_;
+            for (auto const & i : segments)
+            {
+                if (i.excessParent) {
+                    switch (excessParentSegments) {
+                    case css::uri::RelativeUriExcessParentSegments_ERROR:
+                        return nullptr;
+
+                    case css::uri::RelativeUriExcessParentSegments_RETAIN:
+                        assert(i.segment == u"..");
+                        break;
+
+                    case css::uri::RelativeUriExcessParentSegments_REMOVE:
+                        continue;
+
+                    default:
+                        assert(false);
+                        break;
+                    }
+                }
+                if (i.leadingSlash) {
+                    abs.append('/');
+                }
+                abs.append(i.segment);
+            }
+        } else {
+            bool processed = false;
+            if (processAdditionalSpecialSegments) {
+                auto const path = uriReference->getPath();
+                auto [segments, proc] = processSegments(path, {}, true);
+                if (proc) {
+                    for (auto const & i : segments)
+                    {
+                        if (i.excessParent) {
+                            switch (excessParentSegments) {
+                            case css::uri::RelativeUriExcessParentSegments_ERROR:
+                                return nullptr;
+
+                            case css::uri::RelativeUriExcessParentSegments_RETAIN:
+                                assert(i.segment == u"..");
+                                break;
+
+                            case css::uri::RelativeUriExcessParentSegments_REMOVE:
+                                continue;
+
+                            default:
+                                assert(false);
+                                break;
+                            }
+                        }
+                        if (i.leadingSlash) {
+                            abs.append('/');
+                        }
+                        abs.append(i.segment);
+                    }
+                    processed = true;
+                }
+            }
+            if (!processed) {
+                abs.append(uriReference->getPath());
+            }
+        }
+        if (uriReference->hasQuery()) {
+            abs.append('?');
+            abs.append(uriReference->getQuery());
+        }
+        if (uriReference->hasFragment()) {
+            abs.append('#');
+            abs.append(uriReference->getFragment());
+        }
+        return parse(abs.makeStringAndClear());
+    }
+}
+
+css::uno::Reference< css::uri::XUriReference > Factory::makeRelative(
+    css::uno::Reference< css::uri::XUriReference > const & baseUriReference,
+    css::uno::Reference< css::uri::XUriReference > const & uriReference,
+    sal_Bool preferAuthorityOverRelativePath,
+    sal_Bool preferAbsoluteOverRelativePath,
+    sal_Bool encodeRetainedSpecialSegments)
+{
+    if (!baseUriReference.is() || !baseUriReference->isAbsolute()
+        || !uriReference.is()) {
+        return nullptr;
+    } else if (!uriReference->isAbsolute() || uriReference->hasRelativePath()
+               || !baseUriReference->getScheme().equalsIgnoreAsciiCase(
+                   uriReference->getScheme())) {
+        return clone(uriReference);
+    } else {
+        OUStringBuffer rel(128);
+        bool omitQuery = false;
+        if ((baseUriReference->hasAuthority() != uriReference->hasAuthority())
+            || !equalIgnoreEscapeCase(
+                baseUriReference->getAuthority(),
+                uriReference->getAuthority()))
+        {
+            if (uriReference->hasAuthority()) {
+                rel.append("//");
+                rel.append(uriReference->getAuthority());
+            }
+            rel.append(uriReference->getPath());
+        } else if ((equalIgnoreEscapeCase(
+                        baseUriReference->getPath(), uriReference->getPath())
+                    || (baseUriReference->getPath() == "/"
+                        && uriReference->getPath().isEmpty()))
+                   && baseUriReference->hasQuery() == uriReference->hasQuery()
+                   && equalIgnoreEscapeCase(
+                       baseUriReference->getQuery(), uriReference->getQuery()))
+        {
+            omitQuery = true;
+        } else {
+            sal_Int32 count1 = std::max< sal_Int32 >(
+                baseUriReference->getPathSegmentCount(), 1);
+            sal_Int32 count2 = std::max< sal_Int32 >(
+                uriReference->getPathSegmentCount(), 1);
+            sal_Int32 i = 0;
+            for (; i < std::min(count1, count2) - 1; ++i) {
+                if (!equalIgnoreEscapeCase(
+                        baseUriReference->getPathSegment(i),
+                        uriReference->getPathSegment(i)))
+                {
+                    break;
+                }
+            }
+            if (i == 0
+                && (preferAbsoluteOverRelativePath || uriReference->hasQuery())
+                && (preferAuthorityOverRelativePath
+                    || !uriReference->getPath().startsWith("//")))
+            {
+                if (uriReference->getPath().isEmpty()) {
+                    if (!baseUriReference->getPath().isEmpty()
+                        && baseUriReference->getPath() != "/")
+                    {
+                        rel.append('/');
+                    }
+                } else if (uriReference->getPath() == "/") {
+                    if (baseUriReference->getPath().isEmpty()
+                        || baseUriReference->getPath() != "/")
+                    {
+                        rel.append('/');
+                    }
+                } else {
+                    if (uriReference->getPath().startsWith("//")) {
+                        assert(uriReference->hasAuthority());
+                        rel.append("//");
+                        rel.append(uriReference->getAuthority());
+                    }
+                    rel.append(uriReference->getPath());
+                }
+            } else {
+                bool segments = false;
+                for (sal_Int32 j = i; j < count1 - 1; ++j) {
+                    if (segments) {
+                        rel.append('/');
+                    }
+                    rel.append("..");
+                    segments = true;
+                }
+                if (i < count2 - 1
+                    || (!uriReference->getPathSegment(count2 - 1).isEmpty()))
+                {
+                    if (!segments
+                        && (uriReference->getPathSegment(i).isEmpty()
+                            || (parseScheme(uriReference->getPathSegment(i))
+                                >= 0)))
+                    {
+                        rel.append('.');
+                        segments = true;
+                    }
+                    for (; i < count2; ++i) {
+                        if (segments) {
+                            rel.append('/');
+                        }
+                        OUString s(uriReference->getPathSegment(i));
+                        if (encodeRetainedSpecialSegments && s == ".") {
+                            rel.append("%2E");
+                        } else if (encodeRetainedSpecialSegments && s == "..") {
+                            rel.append("%2E%2E");
+                        } else {
+                            rel.append(s);
+                        }
+                        segments = true;
+                    }
+                }
+            }
+        }
+        if (!omitQuery && uriReference->hasQuery()) {
+            rel.append('?');
+            rel.append(uriReference->getQuery());
+        }
+        if (uriReference->hasFragment()) {
+            rel.append('#');
+            rel.append(uriReference->getFragment());
+        }
+        return parse(rel.makeStringAndClear());
+    }
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_uri_UriReferenceFactory_get_implementation(css::uno::XComponentContext* rxContext,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    return ::cppu::acquire(new Factory(rxContext));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTexpand.cxx b/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTexpand.cxx
new file mode 100644
index 000000000..dde6fcb06
--- /dev/null
+++ b/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTexpand.cxx
@@ -0,0 +1,198 @@
+/* -*- 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 <sal/config.h>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uri/XUriSchemeParser.hpp>
+#include <com/sun/star/uri/XVndSunStarExpandUrlReference.hpp>
+#include <com/sun/star/util/XMacroExpander.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <rtl/textenc.h>
+#include <rtl/uri.h>
+#include <rtl/uri.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+#include "UriReference.hxx"
+
+namespace com::sun::star::uno { class XComponentContext; }
+namespace com::sun::star::uno { class XInterface; }
+namespace com::sun::star::uri { class XUriReference; }
+
+namespace {
+
+bool parseSchemeSpecificPart(OUString const & part) {
+    // Liberally accepts both an empty opaque_part and an opaque_part that
+    // starts with a non-escaped "/":
+    return part.isEmpty()
+        || (!::rtl::Uri::decode(part, ::rtl_UriDecodeStrict, RTL_TEXTENCODING_UTF8).isEmpty());
+}
+
+class UrlReference:
+    public ::cppu::WeakImplHelper<css::uri::XVndSunStarExpandUrlReference>
+{
+public:
+    UrlReference(OUString const & scheme, OUString const & path):
+        base_(
+            scheme, false, OUString(), path, false,
+            OUString())
+    {}
+
+    UrlReference(const UrlReference&) = delete;
+    UrlReference& operator=(const UrlReference&) = delete;
+
+    virtual OUString SAL_CALL getUriReference() override
+    { return base_.getUriReference(); }
+
+    virtual sal_Bool SAL_CALL isAbsolute() override
+    { return base_.isAbsolute(); }
+
+    virtual OUString SAL_CALL getScheme() override
+    { return base_.getScheme(); }
+
+    virtual OUString SAL_CALL getSchemeSpecificPart() override
+    { return base_.getSchemeSpecificPart(); }
+
+    virtual sal_Bool SAL_CALL isHierarchical() override
+    { return base_.isHierarchical(); }
+
+    virtual sal_Bool SAL_CALL hasAuthority() override
+    { return base_.hasAuthority(); }
+
+    virtual OUString SAL_CALL getAuthority() override
+    { return base_.getAuthority(); }
+
+    virtual OUString SAL_CALL getPath() override
+    { return base_.getPath(); }
+
+    virtual sal_Bool SAL_CALL hasRelativePath() override
+    { return base_.hasRelativePath(); }
+
+    virtual ::sal_Int32 SAL_CALL getPathSegmentCount() override
+    { return base_.getPathSegmentCount(); }
+
+    virtual OUString SAL_CALL getPathSegment(sal_Int32 index) override
+    { return base_.getPathSegment(index); }
+
+    virtual sal_Bool SAL_CALL hasQuery() override
+    { return base_.hasQuery(); }
+
+    virtual OUString SAL_CALL getQuery() override
+    { return base_.getQuery(); }
+
+    virtual sal_Bool SAL_CALL hasFragment() override
+    { return base_.hasFragment(); }
+
+    virtual OUString SAL_CALL getFragment() override
+    { return base_.getFragment(); }
+
+    virtual void SAL_CALL setFragment(OUString const & fragment) override
+    { base_.setFragment(fragment); }
+
+    virtual void SAL_CALL clearFragment() override
+    { base_.clearFragment(); }
+
+    virtual OUString SAL_CALL expand(
+        css::uno::Reference< css::util::XMacroExpander > const & expander) override;
+
+private:
+    virtual ~UrlReference() override {}
+
+    stoc::uriproc::UriReference base_;
+};
+
+OUString UrlReference::expand(
+    css::uno::Reference< css::util::XMacroExpander > const & expander)
+{
+    if (!expander.is()) {
+        throw css::uno::RuntimeException("null expander passed to XVndSunStarExpandUrl.expand");
+    }
+    return expander->expandMacros(
+        ::rtl::Uri::decode(
+            getPath(), ::rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8));
+}
+
+class Parser:
+    public ::cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::uri::XUriSchemeParser>
+{
+public:
+    Parser() {}
+
+    Parser(const Parser&) = delete;
+    Parser& operator=(const Parser&) = delete;
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(
+        OUString const & serviceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    parse(
+        OUString const & scheme,
+        OUString const & schemeSpecificPart) override;
+
+private:
+    virtual ~Parser() override {}
+};
+
+OUString Parser::getImplementationName()
+{
+    return "com.sun.star.comp.uri.UriSchemeParser_vndDOTsunDOTstarDOTexpand";
+}
+
+sal_Bool Parser::supportsService(OUString const & serviceName)
+{
+    return cppu::supportsService(this, serviceName);
+}
+
+css::uno::Sequence< OUString > Parser::getSupportedServiceNames()
+{
+    return { "com.sun.star.uri.UriSchemeParser_vndDOTsunDOTstarDOTexpand" };
+}
+
+css::uno::Reference< css::uri::XUriReference > Parser::parse(
+    OUString const & scheme, OUString const & schemeSpecificPart)
+{
+    if (!parseSchemeSpecificPart(schemeSpecificPart)) {
+        return css::uno::Reference< css::uri::XUriReference >();
+    }
+    return new UrlReference(scheme, schemeSpecificPart);
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_uri_UriSchemeParser_vndDOTsunDOTstarDOTexpand_get_implementation(css::uno::XComponentContext*,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    //TODO: single instance
+    return ::cppu::acquire(new Parser());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTscript.cxx b/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTscript.cxx
new file mode 100644
index 000000000..a8203a811
--- /dev/null
+++ b/stoc/source/uriproc/UriSchemeParser_vndDOTsunDOTstarDOTscript.cxx
@@ -0,0 +1,386 @@
+/* -*- 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 "UriReference.hxx"
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uri/XUriSchemeParser.hpp>
+#include <com/sun/star/uri/XVndSunStarScriptUrlReference.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <rtl/character.hxx>
+#include <rtl/uri.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <o3tl/safeint.hxx>
+
+#include <string_view>
+
+namespace com::sun::star::uno { class XComponentContext; }
+namespace com::sun::star::uno { class XInterface; }
+namespace com::sun::star::uri { class XUriReference; }
+
+namespace {
+
+int getHexWeight(sal_Unicode c) {
+    return c >= '0' && c <= '9' ? static_cast< int >(c - '0')
+        : c >= 'A' && c <= 'F' ? static_cast< int >(c - 'A' + 10)
+        : c >= 'a' && c <= 'f' ? static_cast< int >(c - 'a' + 10)
+        : -1;
+}
+
+int parseEscaped(std::u16string_view part, sal_Int32 * index) {
+    if (part.size() - *index < 3 || part[*index] != '%') {
+        return -1;
+    }
+    int n1 = getHexWeight(part[*index + 1]);
+    int n2 = getHexWeight(part[*index + 2]);
+    if (n1 < 0 || n2 < 0) {
+        return -1;
+    }
+    *index += 3;
+    return (n1 << 4) | n2;
+}
+
+OUString parsePart(
+    std::u16string_view part, bool namePart, sal_Int32 * index)
+{
+    OUStringBuffer buf(64);
+    while (o3tl::make_unsigned(*index) < part.size()) {
+        sal_Unicode c = part[*index];
+        if (namePart ? c == '?' : c == '&' || c == '=') {
+            break;
+        } else if (c == '%') {
+            sal_Int32 i = *index;
+            int n = parseEscaped(part, &i);
+            if (n >= 0 && n <= 0x7F) {
+                buf.append(static_cast< sal_Unicode >(n));
+            } else if (n >= 0xC0 && n <= 0xFC) {
+                sal_Int32 encoded;
+                int shift;
+                sal_Int32 min;
+                if (n <= 0xDF) {
+                    encoded = (n & 0x1F) << 6;
+                    shift = 0;
+                    min = 0x80;
+                } else if (n <= 0xEF) {
+                    encoded = (n & 0x0F) << 12;
+                    shift = 6;
+                    min = 0x800;
+                } else if (n <= 0xF7) {
+                    encoded = (n & 0x07) << 18;
+                    shift = 12;
+                    min = 0x10000;
+                } else if (n <= 0xFB) {
+                    encoded = (n & 0x03) << 24;
+                    shift = 18;
+                    min = 0x200000;
+                } else {
+                    encoded = 0;
+                    shift = 24;
+                    min = 0x4000000;
+                }
+                bool utf8 = true;
+                for (; shift >= 0; shift -= 6) {
+                    n = parseEscaped(part, &i);
+                    if (n < 0x80 || n > 0xBF) {
+                        utf8 = false;
+                        break;
+                    }
+                    encoded |= (n & 0x3F) << shift;
+                }
+                if (!utf8 || !rtl::isUnicodeScalarValue(encoded)
+                    || encoded < min)
+                {
+                    break;
+                }
+                buf.appendUtf32(encoded);
+            } else {
+                break;
+            }
+            *index = i;
+        } else {
+            buf.append(c);
+            ++*index;
+        }
+    }
+    return buf.makeStringAndClear();
+}
+
+OUString encodeNameOrParamFragment(OUString const & fragment) {
+    static constexpr auto nameOrParamFragment = rtl::createUriCharClass(
+        u8"!$'()*+,-.0123456789:;@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]_abcdefghijklmnopqrstuvwxyz~");
+    return rtl::Uri::encode(
+        fragment, nameOrParamFragment.data(), rtl_UriEncodeIgnoreEscapes,
+        RTL_TEXTENCODING_UTF8);
+}
+
+bool parseSchemeSpecificPart(std::u16string_view part) {
+    size_t len = part.size();
+    sal_Int32 i = 0;
+    if (parsePart(part, true, &i).isEmpty() || part[0] == '/') {
+        return false;
+    }
+    if (o3tl::make_unsigned(i) == len) {
+        return true;
+    }
+    for (;;) {
+        ++i; // skip '?' or '&'
+        if (parsePart(part, false, &i).isEmpty() || o3tl::make_unsigned(i) == len
+            || part[i] != '=')
+        {
+            return false;
+        }
+        ++i;
+        parsePart(part, false, &i);
+        if (o3tl::make_unsigned(i) == len) {
+            return true;
+        }
+        if (part[i] != '&') {
+            return false;
+        }
+    }
+}
+
+class UrlReference:
+    public cppu::WeakImplHelper<css::uri::XVndSunStarScriptUrlReference>
+{
+public:
+    UrlReference(OUString const & scheme, OUString const & path):
+        m_base(
+            scheme, false, OUString(), path, false, OUString())
+    {}
+
+    UrlReference(const UrlReference&) = delete;
+    UrlReference& operator=(const UrlReference&) = delete;
+
+    virtual OUString SAL_CALL getUriReference() override
+    { return m_base.getUriReference(); }
+
+    virtual sal_Bool SAL_CALL isAbsolute() override
+    { return m_base.isAbsolute(); }
+
+    virtual OUString SAL_CALL getScheme() override
+    { return m_base.getScheme(); }
+
+    virtual OUString SAL_CALL getSchemeSpecificPart() override
+    { return m_base.getSchemeSpecificPart(); }
+
+    virtual sal_Bool SAL_CALL isHierarchical() override
+    { return m_base.isHierarchical(); }
+
+    virtual sal_Bool SAL_CALL hasAuthority() override
+    { return m_base.hasAuthority(); }
+
+    virtual OUString SAL_CALL getAuthority() override
+    { return m_base.getAuthority(); }
+
+    virtual OUString SAL_CALL getPath() override
+    { return m_base.getPath(); }
+
+    virtual sal_Bool SAL_CALL hasRelativePath() override
+    { return m_base.hasRelativePath(); }
+
+    virtual sal_Int32 SAL_CALL getPathSegmentCount() override
+    { return m_base.getPathSegmentCount(); }
+
+    virtual OUString SAL_CALL getPathSegment(sal_Int32 index) override
+    { return m_base.getPathSegment(index); }
+
+    virtual sal_Bool SAL_CALL hasQuery() override
+    { return m_base.hasQuery(); }
+
+    virtual OUString SAL_CALL getQuery() override
+    { return m_base.getQuery(); }
+
+    virtual sal_Bool SAL_CALL hasFragment() override
+    { return m_base.hasFragment(); }
+
+    virtual OUString SAL_CALL getFragment() override
+    { return m_base.getFragment(); }
+
+    virtual void SAL_CALL setFragment(OUString const & fragment) override
+    { m_base.setFragment(fragment); }
+
+    virtual void SAL_CALL clearFragment() override
+    { m_base.clearFragment(); }
+
+    virtual OUString SAL_CALL getName() override;
+
+    virtual void SAL_CALL setName(OUString const & name) override;
+
+    virtual sal_Bool SAL_CALL hasParameter(OUString const & key) override;
+
+    virtual OUString SAL_CALL getParameter(OUString const & key) override;
+
+    virtual void SAL_CALL setParameter(OUString const & key, OUString const & value) override;
+
+private:
+    virtual ~UrlReference() override {}
+
+    sal_Int32 findParameter(std::u16string_view key) const;
+
+    stoc::uriproc::UriReference m_base;
+};
+
+OUString UrlReference::getName() {
+    std::lock_guard g(m_base.m_mutex);
+    sal_Int32 i = 0;
+    return parsePart(m_base.m_path, true, &i);
+}
+
+void SAL_CALL UrlReference::setName(OUString const & name)
+{
+    if (name.isEmpty())
+        throw css::lang::IllegalArgumentException(
+            OUString(), *this, 1);
+
+    std::lock_guard g(m_base.m_mutex);
+    sal_Int32 i = 0;
+    parsePart(m_base.m_path, true, &i);
+
+    m_base.m_path = encodeNameOrParamFragment(name) + m_base.m_path.subView(i);
+}
+
+sal_Bool UrlReference::hasParameter(OUString const & key)
+{
+    std::lock_guard g(m_base.m_mutex);
+    return findParameter(key) >= 0;
+}
+
+OUString UrlReference::getParameter(OUString const & key)
+{
+    std::lock_guard g(m_base.m_mutex);
+    sal_Int32 i = findParameter(key);
+    return i >= 0 ? parsePart(m_base.m_path, false, &i) : OUString();
+}
+
+void UrlReference::setParameter(OUString const & key, OUString const & value)
+{
+    if (key.isEmpty())
+        throw css::lang::IllegalArgumentException(
+            OUString(), *this, 1);
+
+    std::lock_guard g(m_base.m_mutex);
+    sal_Int32 i = findParameter(key);
+    bool bExistent = ( i>=0 );
+    if (!bExistent) {
+        i = m_base.m_path.getLength();
+    }
+
+    OUStringBuffer newPath(128);
+    newPath.append(m_base.m_path.subView(0, i));
+    if (!bExistent) {
+        newPath.append( m_base.m_path.indexOf('?') < 0 ? '?' : '&' );
+        newPath.append(encodeNameOrParamFragment(key));
+        newPath.append('=');
+    }
+    newPath.append(encodeNameOrParamFragment(value));
+    if (bExistent) {
+        /*oldValue = */
+        parsePart(m_base.m_path, false, &i); // skip key
+        newPath.append(m_base.m_path.subView(i));
+    }
+
+    m_base.m_path = newPath.makeStringAndClear();
+}
+
+sal_Int32 UrlReference::findParameter(std::u16string_view key) const {
+    sal_Int32 i = 0;
+    parsePart(m_base.m_path, true, &i); // skip name
+    for (;;) {
+        if (i == m_base.m_path.getLength()) {
+            return -1;
+        }
+        ++i; // skip '?' or '&'
+        OUString k = parsePart(m_base.m_path, false, &i);
+        ++i; // skip '='
+        if (k == key) {
+            return i;
+        }
+        parsePart(m_base.m_path, false, &i); // skip value
+    }
+}
+
+class Parser:
+    public cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::uri::XUriSchemeParser>
+{
+public:
+    Parser() {}
+
+    Parser(const Parser&) = delete;
+    Parser& operator=(const Parser&) = delete;
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    parse(
+        OUString const & scheme, OUString const & schemeSpecificPart) override;
+
+private:
+    virtual ~Parser() override {}
+};
+
+OUString Parser::getImplementationName()
+{
+    return "com.sun.star.comp.uri.UriSchemeParser_vndDOTsunDOTstarDOTscript";
+}
+
+sal_Bool Parser::supportsService(OUString const & serviceName)
+{
+    return cppu::supportsService(this, serviceName);
+}
+
+css::uno::Sequence< OUString > Parser::getSupportedServiceNames()
+{
+    return { "com.sun.star.uri.UriSchemeParser_vndDOTsunDOTstarDOTscript" };
+}
+
+css::uno::Reference< css::uri::XUriReference >
+Parser::parse(
+    OUString const & scheme, OUString const & schemeSpecificPart)
+{
+    if (!parseSchemeSpecificPart(schemeSpecificPart)) {
+        return nullptr;
+    }
+    return new UrlReference(scheme, schemeSpecificPart);
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_uri_UriSchemeParser_vndDOTsunDOTstarDOTscript_get_implementation(css::uno::XComponentContext*,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    //TODO: single instance
+    return ::cppu::acquire(new Parser());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/stoc/source/uriproc/VndSunStarPkgUrlReferenceFactory.cxx b/stoc/source/uriproc/VndSunStarPkgUrlReferenceFactory.cxx
new file mode 100644
index 000000000..2a3211a08
--- /dev/null
+++ b/stoc/source/uriproc/VndSunStarPkgUrlReferenceFactory.cxx
@@ -0,0 +1,119 @@
+/* -*- 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 <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uri/UriReferenceFactory.hpp>
+#include <com/sun/star/uri/XUriReference.hpp>
+#include <com/sun/star/uri/XVndSunStarPkgUrlReferenceFactory.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <rtl/textenc.h>
+#include <rtl/uri.h>
+#include <rtl/uri.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace com::sun::star::uno { class XComponentContext; }
+namespace com::sun::star::uno { class XInterface; }
+
+namespace {
+
+class Factory:
+    public cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::uri::XVndSunStarPkgUrlReferenceFactory>
+{
+public:
+    explicit Factory(
+        css::uno::Reference< css::uno::XComponentContext > const & context):
+        m_context(context) {}
+
+    Factory(const Factory&) = delete;
+    Factory& operator=(const Factory&) = delete;
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual css::uno::Reference< css::uri::XUriReference > SAL_CALL
+    createVndSunStarPkgUrlReference(
+        css::uno::Reference< css::uri::XUriReference > const & authority) override;
+
+private:
+    virtual ~Factory() override {}
+
+    css::uno::Reference< css::uno::XComponentContext > m_context;
+};
+
+OUString Factory::getImplementationName()
+{
+    return "com.sun.star.comp.uri.VndSunStarPkgUrlReferenceFactory";
+}
+
+sal_Bool Factory::supportsService(OUString const & serviceName)
+{
+    return cppu::supportsService(this, serviceName);
+}
+
+css::uno::Sequence< OUString > Factory::getSupportedServiceNames()
+{
+    css::uno::Sequence< OUString > s { "com.sun.star.uri.VndSunStarPkgUrlReferenceFactory" };
+    return s;
+}
+
+css::uno::Reference< css::uri::XUriReference >
+Factory::createVndSunStarPkgUrlReference(
+    css::uno::Reference< css::uri::XUriReference > const & authority)
+{
+    if (!authority.is()) {
+        throw css::uno::RuntimeException(
+            "null authority passed to"
+            " XVndSunStarPkgUrlReferenceFactory.createVndSunStarPkgUrlReference");
+    }
+    if (authority->isAbsolute() && !authority->hasFragment()) {
+        OUString buf =
+            "vnd.sun.star.pkg://" +
+            rtl::Uri::encode(
+                authority->getUriReference(), rtl_UriCharClassRegName,
+                rtl_UriEncodeIgnoreEscapes, RTL_TEXTENCODING_UTF8);
+        css::uno::Reference< css::uri::XUriReference > uriRef(
+            css::uri::UriReferenceFactory::create(m_context)->parse(
+                buf));
+        return uriRef;
+    } else {
+        return css::uno::Reference< css::uri::XUriReference >();
+    }
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_uri_VndSunStarPkgUrlReferenceFactory_get_implementation(css::uno::XComponentContext* rxContext,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    return ::cppu::acquire(new Factory(rxContext));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */