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gmio_core: introduce ctype.h code alternative in string_utils.h

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This commit is contained in:
Hugues Delorme 2015-05-28 13:57:18 +02:00
parent 37dcad8e5e
commit 3bd7ec8782
1 changed files with 27 additions and 14 deletions
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41
src/gmio_core/internal/string_utils.h
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@ -18,19 +18,26 @@
#include "../global.h"
#define GMIO_STRINGUTILS_C_ARRAYS
/*#define GMIO_STRINGUTILS_CTYPE_H*/
/*#define GMIO_STRINGUTILS_DIRECT_TESTS*/
#ifdef GMIO_STRINGUTILS_CTYPE_H
# include <ctype.h>
#endif
/*! Returns non-zero if \p c is a space (for C-locale), zero otherwise */
GMIO_INLINE int gmio_clocale_isspace(char c)
{
#if 0
return c == 0x20 /* space (SPC) */
|| c == 0x09 /* horizontal tab (TAB) */
|| c == 0x0a /* newline (LF) */
|| c == 0x0b /* vertical tab (VT) */
|| c == 0x0c /* feed (FF) */
|| c == 0x0d /* carriage return (CR) */
;
/* return c == 0x20 || ((uint8_t)(c - 0x09) < 5); */
#else
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
/* 0x20 : space (SPC)
* 0x09 : horizontal tab (TAB)
* 0x0a : newline (LF)
* 0x0b : vertical tab (VT)
* 0x0c : feed (FF)
* 0x0d : carriage return (CR) */
return c == 0x20 || ((uint8_t)(c - 0x09) < 5);
#elif defined(GMIO_STRINGUTILS_C_ARRAYS)
static const unsigned char space_chars[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -50,6 +57,8 @@ GMIO_INLINE int gmio_clocale_isspace(char c)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
return space_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return isspace(c);
#endif
}
@ -57,9 +66,9 @@ GMIO_INLINE int gmio_clocale_isspace(char c)
* otherwise */
GMIO_INLINE int gmio_clocale_isupper(char c)
{
#if 0
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return 65 <= c && c <= 90;
#else
#elif defined(GMIO_STRINGUTILS_C_ARRAYS)
static const unsigned char upper_chars[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -79,6 +88,8 @@ GMIO_INLINE int gmio_clocale_isupper(char c)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
return upper_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return isupper(c);
#endif
}
@ -86,9 +97,9 @@ GMIO_INLINE int gmio_clocale_isupper(char c)
* otherwise */
GMIO_INLINE int gmio_clocale_islower(char c)
{
#if 0
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return 97 <= c && c <= 122;
#else
#elif defined(GMIO_STRINGUTILS_C_ARRAYS)
static const unsigned char lower_chars[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -108,6 +119,8 @@ GMIO_INLINE int gmio_clocale_islower(char c)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
return lower_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return islower(c);
#endif
}