1 files changed, 118 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/utf-8-case2.cpp b/src/VBox/Runtime/common/string/utf-8-case2.cpp
new file mode 100644
index 00000000..5fdd58b0
--- /dev/null
+++ b/src/VBox/Runtime/common/string/utf-8-case2.cpp
@@ -0,0 +1,118 @@
+/* $Id: utf-8-case2.cpp $ */
+/** @file
+ * IPRT - UTF-8 Case Sensitivity and Folding, Part 2 (requires unidata-flags.cpp).
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/string.h>
+#include "internal/iprt.h"
+
+#include <iprt/uni.h>
+#include <iprt/alloc.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include "internal/string.h"
+
+
+RTDECL(bool) RTStrIsCaseFoldable(const char *psz)
+{
+    /*
+     * Loop the code points in the string, checking them one by one until we
+     * find something that can be folded.
+     */
+    RTUNICP uc;
+    do
+    {
+        int rc = RTStrGetCpEx(&psz, &uc);
+        if (RT_SUCCESS(rc))
+        {
+            if (RTUniCpIsFoldable(uc))
+                return true;
+        }
+        else
+        {
+            /* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
+            AssertRC(rc);
+        }
+    } while (uc != 0);
+
+    return false;
+}
+RT_EXPORT_SYMBOL(RTStrIsCaseFoldable);
+
+
+RTDECL(bool) RTStrIsUpperCased(const char *psz)
+{
+    /*
+     * Check that there are no lower case chars in the string.
+     */
+    RTUNICP uc;
+    do
+    {
+        int rc = RTStrGetCpEx(&psz, &uc);
+        if (RT_SUCCESS(rc))
+        {
+            if (RTUniCpIsLower(uc))
+                return false;
+        }
+        else
+        {
+            /* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
+            AssertRC(rc);
+        }
+    } while (uc != 0);
+
+    return true;
+}
+RT_EXPORT_SYMBOL(RTStrIsUpperCased);
+
+
+RTDECL(bool) RTStrIsLowerCased(const char *psz)
+{
+    /*
+     * Check that there are no lower case chars in the string.
+     */
+    RTUNICP uc;
+    do
+    {
+        int rc = RTStrGetCpEx(&psz, &uc);
+        if (RT_SUCCESS(rc))
+        {
+            if (RTUniCpIsUpper(uc))
+                return false;
+        }
+        else
+        {
+            /* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
+            AssertRC(rc);
+        }
+    } while (uc != 0);
+
+    return true;
+}
+RT_EXPORT_SYMBOL(RTStrIsLowerCased);
+