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comparison: intl/icu/source/common/uinvchar.h
intl/icu/source/common/uinvchar.h
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| -1:000000000000 | 0:2d996d5a617c |
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| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * | |
| 4 * Copyright (C) 1999-2010, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ******************************************************************************* | |
| 8 * file name: uinvchar.h | |
| 9 * encoding: US-ASCII | |
| 10 * tab size: 8 (not used) | |
| 11 * indentation:2 | |
| 12 * | |
| 13 * created on: 2004sep14 | |
| 14 * created by: Markus W. Scherer | |
| 15 * | |
| 16 * Definitions for handling invariant characters, moved here from putil.c | |
| 17 * for better modularization. | |
| 18 */ | |
| 19 | |
| 20 #ifndef __UINVCHAR_H__ | |
| 21 #define __UINVCHAR_H__ | |
| 22 | |
| 23 #include "unicode/utypes.h" | |
| 24 | |
| 25 /** | |
| 26 * Check if a char string only contains invariant characters. | |
| 27 * See utypes.h for details. | |
| 28 * | |
| 29 * @param s Input string pointer. | |
| 30 * @param length Length of the string, can be -1 if NUL-terminated. | |
| 31 * @return TRUE if s contains only invariant characters. | |
| 32 * | |
| 33 * @internal (ICU 2.8) | |
| 34 */ | |
| 35 U_INTERNAL UBool U_EXPORT2 | |
| 36 uprv_isInvariantString(const char *s, int32_t length); | |
| 37 | |
| 38 /** | |
| 39 * Check if a Unicode string only contains invariant characters. | |
| 40 * See utypes.h for details. | |
| 41 * | |
| 42 * @param s Input string pointer. | |
| 43 * @param length Length of the string, can be -1 if NUL-terminated. | |
| 44 * @return TRUE if s contains only invariant characters. | |
| 45 * | |
| 46 * @internal (ICU 2.8) | |
| 47 */ | |
| 48 U_INTERNAL UBool U_EXPORT2 | |
| 49 uprv_isInvariantUString(const UChar *s, int32_t length); | |
| 50 | |
| 51 /** | |
| 52 * \def U_UPPER_ORDINAL | |
| 53 * Get the ordinal number of an uppercase invariant character | |
| 54 * @internal | |
| 55 */ | |
| 56 #if U_CHARSET_FAMILY==U_ASCII_FAMILY | |
| 57 # define U_UPPER_ORDINAL(x) ((x)-'A') | |
| 58 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY | |
| 59 # define U_UPPER_ORDINAL(x) (((x) < 'J') ? ((x)-'A') : \ | |
| 60 (((x) < 'S') ? ((x)-'J'+9) : \ | |
| 61 ((x)-'S'+18))) | |
| 62 #else | |
| 63 # error Unknown charset family! | |
| 64 #endif | |
| 65 | |
| 66 /** | |
| 67 * Compare two EBCDIC invariant-character strings in ASCII order. | |
| 68 * @internal | |
| 69 */ | |
| 70 U_INTERNAL int32_t U_EXPORT2 | |
| 71 uprv_compareInvEbcdicAsAscii(const char *s1, const char *s2); | |
| 72 | |
| 73 /** | |
| 74 * \def uprv_compareInvCharsAsAscii | |
| 75 * Compare two invariant-character strings in ASCII order. | |
| 76 * @internal | |
| 77 */ | |
| 78 #if U_CHARSET_FAMILY==U_ASCII_FAMILY | |
| 79 # define uprv_compareInvCharsAsAscii(s1, s2) uprv_strcmp(s1, s2) | |
| 80 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY | |
| 81 # define uprv_compareInvCharsAsAscii(s1, s2) uprv_compareInvEbcdicAsAscii(s1, s2) | |
| 82 #else | |
| 83 # error Unknown charset family! | |
| 84 #endif | |
| 85 | |
| 86 /** | |
| 87 * Converts an EBCDIC invariant character to lowercase ASCII. | |
| 88 * @internal | |
| 89 */ | |
| 90 U_INTERNAL char U_EXPORT2 | |
| 91 uprv_ebcdicToLowercaseAscii(char c); | |
| 92 | |
| 93 /** | |
| 94 * \def uprv_invCharToLowercaseAscii | |
| 95 * Converts an invariant character to lowercase ASCII. | |
| 96 * @internal | |
| 97 */ | |
| 98 #if U_CHARSET_FAMILY==U_ASCII_FAMILY | |
| 99 # define uprv_invCharToLowercaseAscii uprv_asciitolower | |
| 100 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY | |
| 101 # define uprv_invCharToLowercaseAscii uprv_ebcdicToLowercaseAscii | |
| 102 #else | |
| 103 # error Unknown charset family! | |
| 104 #endif | |
| 105 | |
| 106 /** | |
| 107 * Copy EBCDIC to ASCII | |
| 108 * @internal | |
| 109 * @see uprv_strncpy | |
| 110 */ | |
| 111 U_INTERNAL uint8_t* U_EXPORT2 | |
| 112 uprv_aestrncpy(uint8_t *dst, const uint8_t *src, int32_t n); | |
| 113 | |
| 114 | |
| 115 /** | |
| 116 * Copy ASCII to EBCDIC | |
| 117 * @internal | |
| 118 * @see uprv_strncpy | |
| 119 */ | |
| 120 U_INTERNAL uint8_t* U_EXPORT2 | |
| 121 uprv_eastrncpy(uint8_t *dst, const uint8_t *src, int32_t n); | |
| 122 | |
| 123 | |
| 124 | |
| 125 #endif |
