ICU-461.12.tar.gz

[apple/icu.git] / icuSources / common / unicode / std_string.h

diff --git a/icuSources/common/unicode/std_string.h b/icuSources/common/unicode/std_string.h
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+/*
+*******************************************************************************
+*
+*   Copyright (C) 2009-2010, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  std_string.h
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2009feb19
+*   created by: Markus W. Scherer
+*/
+
+#ifndef __STD_STRING_H__
+#define __STD_STRING_H__
+
+/**
+ * \file 
+ * \brief C++ API: Central ICU header for including the C++ standard <string>
+ *                 header and for related definitions.
+ */
+
+#include "unicode/utypes.h"
+
+/**
+ * \def U_HAVE_STD_STRING
+ * Define whether the standard C++ (STL) <string> header is available.
+ * @internal
+ */
+#ifndef U_HAVE_STD_STRING
+#define U_HAVE_STD_STRING 1
+#endif
+
+#if U_HAVE_STD_STRING
+
+#include <string>
+
+/**
+ * \def U_STD_NS
+ * Define the namespace to use for standard C++ (STL) classes.
+ * Either std or empty.
+ * @draft ICU 4.2
+ */
+
+/**
+ * \def U_STD_NSQ
+ * Define the namespace qualifier to use for standard C++ (STL) classes.
+ * Either std:: or empty.
+ * For example,
+ *   U_STD_NSQ string StringFromUnicodeString(const UnicodeString &unistr);
+ * @draft ICU 4.2
+ */
+
+/**
+ * \def U_STD_NS_USE
+ * This is used to specify that the rest of the code uses the
+ * standard (STL) namespace.
+ * Either "using namespace std;" or empty.
+ * @draft ICU 4.2
+ */
+#ifndef U_STD_NSQ
+#   if U_HAVE_NAMESPACE
+#       define U_STD_NS std
+#       define U_STD_NSQ U_STD_NS::
+#       define U_STD_NS_USE using namespace U_STD_NS;
+#   else
+#       define U_STD_NS
+#       define U_STD_NSQ
+#       define U_STD_NS_USE
+#   endif
+#endif
+
+#endif  // U_HAVE_STD_STRING
+
+#endif  // __STD_STRING_H__