1 files changed, 116 insertions, 0 deletions
diff --git a/sfx2/source/sidebar/Context.cxx b/sfx2/source/sidebar/Context.cxx
new file mode 100644
index 000000000000..99edf6d82a14
--- /dev/null
+++ b/sfx2/source/sidebar/Context.cxx
@@ -0,0 +1,116 @@
+/*
+ * 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 "Context.hxx"
+
+#define AnyApplicationName "any"
+#define AnyContextName "any"
+
+namespace sfx2 { namespace sidebar {
+
+const sal_Int32 Context::NoMatch = 4;
+const sal_Int32 Context::ApplicationWildcardMatch = 1;
+const sal_Int32 Context::ContextWildcardMatch = 2;
+const sal_Int32 Context::OptimalMatch = 0;  // Neither application nor context name is "any".
+
+#define A2S(pString) (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(pString)))
+
+Context::Context (void)
+    : msApplication(A2S(AnyApplicationName)),
+      msContext(A2S(AnyContextName))
+{
+}
+
+
+
+
+Context::Context (
+    const ::rtl::OUString& rsApplication,
+    const ::rtl::OUString& rsContext)
+    : msApplication(rsApplication),
+      msContext(rsContext)
+{
+}
+
+
+
+
+sal_Int32 Context::EvaluateMatch (
+    const Context& rOther) const
+{
+    const bool bApplicationNameIsAny (rOther.msApplication.equalsAscii(AnyApplicationName));
+    if (rOther.msApplication.equals(msApplication) || bApplicationNameIsAny)
+    {
+        // Application name matches.
+        const bool bContextNameIsAny (rOther.msContext.equalsAscii(AnyContextName));
+        if (rOther.msContext.equals(msContext) || bContextNameIsAny)
+        {
+            // Context name matches.
+            return (bApplicationNameIsAny ? ApplicationWildcardMatch : 0)
+                + (bContextNameIsAny ? ContextWildcardMatch : 0);
+        }
+    }
+    return NoMatch;
+}
+
+
+
+
+sal_Int32 Context::EvaluateMatch (const ::std::vector<Context>& rOthers) const
+{
+    sal_Int32 nBestMatch (NoMatch);
+
+    for (::std::vector<Context>::const_iterator
+             iContext(rOthers.begin()),
+             iEnd(rOthers.end());
+         iContext!=iEnd;
+         ++iContext)
+    {
+        const sal_Int32 nMatch (EvaluateMatch(*iContext));
+        if (nMatch < nBestMatch)
+        {
+            if (nMatch == OptimalMatch)
+            {
+                // We will find no better match so stop searching.
+                return OptimalMatch;
+            }
+            nBestMatch = nMatch;
+        }
+    }
+    return nBestMatch;
+}
+
+
+
+
+bool Context::operator== (const Context& rOther) const
+{
+    return msApplication.equals(rOther.msApplication)
+        && msContext.equals(rOther.msContext);
+}
+
+
+
+
+bool Context::operator!= (const Context& rOther) const
+{
+    return ( ! msApplication.equals(rOther.msApplication))
+        || ( ! msContext.equals(rOther.msContext));
+}
+
+
+} } // end of namespace sfx2::sidebar