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Code/Sandbox/Editor/Util/StringNoCasePredicate.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+// Original file Copyright Crytek GMBH or its affiliates, used under license.
+
+// Description : Utility class to help in STL algorithms on containers with
+//               CStrings when intending to use case insensitive searches or sorting for
+//               example.
+
+
+#ifndef CRYINCLUDE_EDITOR_UTIL_STRINGNOCASEPREDICATE_H
+#define CRYINCLUDE_EDITOR_UTIL_STRINGNOCASEPREDICATE_H
+#pragma once
+
+/*
+Utility class to help in STL algorithms on containers with CStrings
+when intending to use case insensitive searches or sorting for example.
+
+e.g.
+std::vector< CString > v;
+...
+std::sort( v.begin(), v.end(), CStringNoCasePredicate::LessThan() );
+std::find_if( v.begin(), v.end(), CStringNoCasePredicate::Equal( stringImLookingFor ) );
+*/
+class CStringNoCasePredicate
+{
+public:
+    //////////////////////////////////////////////////////////////////////////
+    struct Equal
+    {
+        Equal(const QString& referenceString)
+            : m_referenceString(referenceString)
+        {
+        }
+
+        bool operator() (const QString& arg) const
+        {
+            return (m_referenceString.compare(arg, Qt::CaseInsensitive) == 0);
+        }
+
+    private:
+        const QString& m_referenceString;
+    };
+    //////////////////////////////////////////////////////////////////////////
+
+    //////////////////////////////////////////////////////////////////////////
+    struct LessThan
+    {
+        bool operator() (const QString& arg1, const QString& arg2) const
+        {
+            return (arg1.CompareNoCase(arg2) < 0);
+        }
+    };
+    //////////////////////////////////////////////////////////////////////////
+};
+
+
+#endif // CRYINCLUDE_EDITOR_UTIL_STRINGNOCASEPREDICATE_H