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-rw-r--r--svl/source/misc/sharedstring.cxx166
1 files changed, 166 insertions, 0 deletions
diff --git a/svl/source/misc/sharedstring.cxx b/svl/source/misc/sharedstring.cxx
new file mode 100644
index 000000000..9aff3eb0e
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+++ b/svl/source/misc/sharedstring.cxx
@@ -0,0 +1,166 @@
+/* -*- 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/.
+ */
+
+#include <svl/sharedstring.hxx>
+
+namespace svl {
+
+SharedString SharedString::getEmptyString()
+{
+ // unicode string array for empty string is globally shared in OUString.
+ // Let's take advantage of that.
+ rtl_uString* pData = nullptr;
+ rtl_uString_new(&pData);
+ return SharedString(pData, pData);
+}
+
+SharedString::SharedString() : mpData(nullptr), mpDataIgnoreCase(nullptr) {}
+
+SharedString::SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase ) :
+ mpData(pData), mpDataIgnoreCase(pDataIgnoreCase)
+{
+ if (mpData)
+ rtl_uString_acquire(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_acquire(mpDataIgnoreCase);
+}
+
+SharedString::SharedString( const OUString& rStr ) : mpData(rStr.pData), mpDataIgnoreCase(nullptr)
+{
+ rtl_uString_acquire(mpData);
+}
+
+SharedString::SharedString( const SharedString& r ) : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
+{
+ if (mpData)
+ rtl_uString_acquire(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_acquire(mpDataIgnoreCase);
+}
+
+SharedString::SharedString(SharedString&& r) noexcept : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
+{
+ r.mpData = nullptr;
+ r.mpDataIgnoreCase = nullptr;
+}
+
+SharedString::~SharedString()
+{
+ if (mpData)
+ rtl_uString_release(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_release(mpDataIgnoreCase);
+}
+
+SharedString& SharedString::operator= ( const SharedString& r )
+{
+ if(this == &r)
+ return *this;
+
+ if (mpData)
+ rtl_uString_release(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_release(mpDataIgnoreCase);
+
+ mpData = r.mpData;
+ mpDataIgnoreCase = r.mpDataIgnoreCase;
+
+ if (mpData)
+ rtl_uString_acquire(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_acquire(mpDataIgnoreCase);
+
+ return *this;
+}
+
+SharedString& SharedString::operator=(SharedString&& r) noexcept
+{
+ if (mpData)
+ rtl_uString_release(mpData);
+ if (mpDataIgnoreCase)
+ rtl_uString_release(mpDataIgnoreCase);
+
+ mpData = r.mpData;
+ mpDataIgnoreCase = r.mpDataIgnoreCase;
+
+ r.mpData = nullptr;
+ r.mpDataIgnoreCase = nullptr;
+
+ return *this;
+}
+
+bool SharedString::operator== ( const SharedString& r ) const
+{
+ // Compare only the original (not case-folded) string.
+
+ if (mpData == r.mpData)
+ return true;
+
+ if (mpData)
+ {
+ if (!r.mpData)
+ return false;
+
+ if (mpData->length != r.mpData->length)
+ return false;
+
+ return rtl_ustr_reverseCompare_WithLength(mpData->buffer, mpData->length, r.mpData->buffer, r.mpData->length) == 0;
+ }
+
+ return !r.mpData;
+}
+
+bool SharedString::operator!= ( const SharedString& r ) const
+{
+ return !operator== (r);
+}
+
+OUString SharedString::getString() const
+{
+ return mpData ? OUString(mpData) : OUString();
+}
+
+rtl_uString* SharedString::getData()
+{
+ return mpData;
+}
+
+const rtl_uString* SharedString::getData() const
+{
+ return mpData;
+}
+
+rtl_uString* SharedString::getDataIgnoreCase()
+{
+ return mpDataIgnoreCase;
+}
+
+const rtl_uString* SharedString::getDataIgnoreCase() const
+{
+ return mpDataIgnoreCase;
+}
+
+bool SharedString::isValid() const
+{
+ return mpData != nullptr;
+}
+
+bool SharedString::isEmpty() const
+{
+ return mpData == nullptr || mpData->length == 0;
+}
+
+sal_Int32 SharedString::getLength() const
+{
+ return mpData ? mpData->length : 0;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */