ICU 56 update step 1

source/common/uinvchar.h

 /*
 *******************************************************************************
 *
-*   Copyright (C) 1999-2010, International Business Machines
+*   Copyright (C) 1999-2015, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  uinvchar.h
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:2
 *
 *   created on: 2004sep14
 *   created by: Markus W. Scherer
 *
 *   Definitions for handling invariant characters, moved here from putil.c
 *   for better modularization.
 */
 
 #ifndef __UINVCHAR_H__
 #define __UINVCHAR_H__
 
 #include "unicode/utypes.h"
+#ifdef __cplusplus
+#include "unicode/unistr.h"
+#endif
 
 /**
  * Check if a char string only contains invariant characters.
  * See utypes.h for details.
  *
  * @param s Input string pointer.
  * @param length Length of the string, can be -1 if NUL-terminated.
  * @return TRUE if s contains only invariant characters.
  *
  * @internal (ICU 2.8)
  */
 U_INTERNAL UBool U_EXPORT2
 uprv_isInvariantString(const char *s, int32_t length);
 
 /**
  * Check if a Unicode string only contains invariant characters.
  * See utypes.h for details.
  *
  * @param s Input string pointer.
  * @param length Length of the string, can be -1 if NUL-terminated.
  * @return TRUE if s contains only invariant characters.
  *
  * @internal (ICU 2.8)
  */
 U_INTERNAL UBool U_EXPORT2
 uprv_isInvariantUString(const UChar *s, int32_t length);
 
+#ifdef __cplusplus
+
+/**
+ * Check if a UnicodeString only contains invariant characters.
+ * See utypes.h for details.
+ *
+ * @param s Input string.
+ * @return TRUE if s contains only invariant characters.
+ */
+U_INTERNAL inline UBool U_EXPORT2
+uprv_isInvariantUnicodeString(const icu::UnicodeString &s) {
+    return uprv_isInvariantUString(s.getBuffer(), s.length());
+}
+
+#endif  /* __cplusplus */
+
 /**
  * \def U_UPPER_ORDINAL
  * Get the ordinal number of an uppercase invariant character
  * @internal
  */
 #if U_CHARSET_FAMILY==U_ASCII_FAMILY
 #   define U_UPPER_ORDINAL(x) ((x)-'A')
 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
 #   define U_UPPER_ORDINAL(x) (((x) < 'J') ? ((x)-'A') : \
                               (((x) < 'S') ? ((x)-'J'+9) : \
@@ skipping 55 matching lines @@
  * Copy ASCII to EBCDIC
  * @internal
  * @see uprv_strncpy
  */
 U_INTERNAL uint8_t* U_EXPORT2
 uprv_eastrncpy(uint8_t *dst, const uint8_t *src, int32_t n);
 
 
 
 #endif