| /* |
| ******************************************************************************* |
| * |
| * Copyright (C) 1999-2010, 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" |
| |
| /** |
| * 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); |
| |
| /** |
| * \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) : \ |
| ((x)-'S'+18))) |
| #else |
| # 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 |