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, 187 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: */