/src/icu/source/common/uinvchar.h

Source (jump to first uncovered line)
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 1999-2015, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  uinvchar.h
*   encoding:   UTF-8
*   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(icu::toUCharPtr(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) : \
                               ((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

Line	Count	Source (jump to first uncovered line)
1		// © 2016 and later: Unicode, Inc. and others.
2		// License & terms of use: http://www.unicode.org/copyright.html
3		/*
4		*******************************************************************************
5		*
6		* Copyright (C) 1999-2015, International Business Machines
7		* Corporation and others. All Rights Reserved.
8		*
9		*******************************************************************************
10		* file name: uinvchar.h
11		* encoding: UTF-8
12		* tab size: 8 (not used)
13		* indentation:2
14		*
15		* created on: 2004sep14
16		* created by: Markus W. Scherer
17		*
18		* Definitions for handling invariant characters, moved here from putil.c
19		* for better modularization.
20		*/
21
22		#ifndef __UINVCHAR_H__
23		#define __UINVCHAR_H__
24
25		#include "unicode/utypes.h"
26		#ifdef __cplusplus
27		#include "unicode/unistr.h"
28		#endif
29
30		/**
31		* Check if a char string only contains invariant characters.
32		* See utypes.h for details.
33		*
34		* @param s Input string pointer.
35		* @param length Length of the string, can be -1 if NUL-terminated.
36		* @return TRUE if s contains only invariant characters.
37		*
38		* @internal (ICU 2.8)
39		*/
40		U_INTERNAL UBool U_EXPORT2
41		uprv_isInvariantString(const char *s, int32_t length);
42
43		/**
44		* Check if a Unicode string only contains invariant characters.
45		* See utypes.h for details.
46		*
47		* @param s Input string pointer.
48		* @param length Length of the string, can be -1 if NUL-terminated.
49		* @return TRUE if s contains only invariant characters.
50		*
51		* @internal (ICU 2.8)
52		*/
53		U_INTERNAL UBool U_EXPORT2
54		uprv_isInvariantUString(const UChar *s, int32_t length);
55
56		#ifdef __cplusplus
57
58		/**
59		* Check if a UnicodeString only contains invariant characters.
60		* See utypes.h for details.
61		*
62		* @param s Input string.
63		* @return TRUE if s contains only invariant characters.
64		*/
65		U_INTERNAL inline UBool U_EXPORT2
66	0	uprv_isInvariantUnicodeString(const icu::UnicodeString &s) {
67	0	return uprv_isInvariantUString(icu::toUCharPtr(s.getBuffer()), s.length());
68	0	}
69
70		#endif /* __cplusplus */
71
72		/**
73		* \def U_UPPER_ORDINAL
74		* Get the ordinal number of an uppercase invariant character
75		* @internal
76		*/
77		#if U_CHARSET_FAMILY==U_ASCII_FAMILY
78		# define U_UPPER_ORDINAL(x) ((x)-'A')
79		#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
80		# define U_UPPER_ORDINAL(x) (((x) < 'J') ? ((x)-'A') : \
81		(((x) < 'S') ? ((x)-'J'+9) : \
82		((x)-'S'+18)))
83		#else
84		# error Unknown charset family!
85		#endif
86
87		/**
88		* Compare two EBCDIC invariant-character strings in ASCII order.
89		* @internal
90		*/
91		U_INTERNAL int32_t U_EXPORT2
92		uprv_compareInvEbcdicAsAscii(const char s1, const char s2);
93
94		/**
95		* \def uprv_compareInvCharsAsAscii
96		* Compare two invariant-character strings in ASCII order.
97		* @internal
98		*/
99		#if U_CHARSET_FAMILY==U_ASCII_FAMILY
100	0	# define uprv_compareInvCharsAsAscii(s1, s2) uprv_strcmp(s1, s2)
101		#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
102		# define uprv_compareInvCharsAsAscii(s1, s2) uprv_compareInvEbcdicAsAscii(s1, s2)
103		#else
104		# error Unknown charset family!
105		#endif
106
107		/**
108		* Converts an EBCDIC invariant character to lowercase ASCII.
109		* @internal
110		*/
111		U_INTERNAL char U_EXPORT2
112		uprv_ebcdicToLowercaseAscii(char c);
113
114		/**
115		* \def uprv_invCharToLowercaseAscii
116		* Converts an invariant character to lowercase ASCII.
117		* @internal
118		*/
119		#if U_CHARSET_FAMILY==U_ASCII_FAMILY
120		# define uprv_invCharToLowercaseAscii uprv_asciitolower
121		#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
122		# define uprv_invCharToLowercaseAscii uprv_ebcdicToLowercaseAscii
123		#else
124		# error Unknown charset family!
125		#endif
126
127		/**
128		* Copy EBCDIC to ASCII
129		* @internal
130		* @see uprv_strncpy
131		*/
132		U_INTERNAL uint8_t* U_EXPORT2
133		uprv_aestrncpy(uint8_t dst, const uint8_t src, int32_t n);
134
135
136		/**
137		* Copy ASCII to EBCDIC
138		* @internal
139		* @see uprv_strncpy
140		*/
141		U_INTERNAL uint8_t* U_EXPORT2
142		uprv_eastrncpy(uint8_t dst, const uint8_t src, int32_t n);
143
144
145
146		#endif

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Created: 2025-07-11 06:23