ICU-57165.0.1.tar.gz

[apple/icu.git] / icuSources / common / uinvchar.h

diff --git a/icuSources/common/uinvchar.h b/icuSources/common/uinvchar.h
index 2a333b81ee4dc0edf04652d3a347ce07bcb51c65..1a9aa78d54e6518e661694a52114066ef418dcf7 100644 (file)
--- a/icuSources/common/uinvchar.h
+++ b/icuSources/common/uinvchar.h
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1999-2004, International Business Machines
+*   Copyright (C) 1999-2015, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
@@ -21,6 +21,9 @@
 #define __UINVCHAR_H__
 
 #include "unicode/utypes.h"
+#ifdef __cplusplus
+#include "unicode/unistr.h"
+#endif
 
 /**
  * Check if a char string only contains invariant characters.
@@ -48,6 +51,22 @@ uprv_isInvariantString(const char *s, int32_t length);
 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
@@ -63,4 +82,63 @@ uprv_isInvariantUString(const UChar *s, int32_t length);
 #   error Unknown charset family!
 #endif
 
+/**
+ * Compare two EBCDIC invariant-character strings in ASCII order.
+ * @internal
+ */
+U_INTERNAL int32_t U_EXPORT2
+uprv_compareInvEbcdicAsAscii(const char *s1, const char *s2);
+
+/**
+ * \def uprv_compareInvCharsAsAscii
+ * Compare two invariant-character strings in ASCII order.
+ * @internal
+ */
+#if U_CHARSET_FAMILY==U_ASCII_FAMILY
+#   define uprv_compareInvCharsAsAscii(s1, s2) uprv_strcmp(s1, s2)
+#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
+#   define uprv_compareInvCharsAsAscii(s1, s2) uprv_compareInvEbcdicAsAscii(s1, s2)
+#else
+#   error Unknown charset family!
+#endif
+
+/**
+ * Converts an EBCDIC invariant character to lowercase ASCII.
+ * @internal
+ */
+U_INTERNAL char U_EXPORT2
+uprv_ebcdicToLowercaseAscii(char c);
+
+/**
+ * \def uprv_invCharToLowercaseAscii
+ * Converts an invariant character to lowercase ASCII.
+ * @internal
+ */
+#if U_CHARSET_FAMILY==U_ASCII_FAMILY
+#   define uprv_invCharToLowercaseAscii uprv_asciitolower
+#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
+#   define uprv_invCharToLowercaseAscii uprv_ebcdicToLowercaseAscii
+#else
+#   error Unknown charset family!
+#endif
+
+/**
+ * Copy EBCDIC to ASCII
+ * @internal
+ * @see uprv_strncpy
+ */
+U_INTERNAL uint8_t* U_EXPORT2
+uprv_aestrncpy(uint8_t *dst, const uint8_t *src, int32_t n);
+
+
+/**
+ * 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