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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" #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 */ /*! Returns non-zero if \p c is a space (for C-locale), zero otherwise */
GMIO_INLINE int gmio_clocale_isspace(char c) GMIO_INLINE int gmio_clocale_isspace(char c)
{ {
#if 0 #if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return c == 0x20 /* space (SPC) */ /* 0x20 : space (SPC)
|| c == 0x09 /* horizontal tab (TAB) */ * 0x09 : horizontal tab (TAB)
|| c == 0x0a /* newline (LF) */ * 0x0a : newline (LF)
|| c == 0x0b /* vertical tab (VT) */ * 0x0b : vertical tab (VT)
|| c == 0x0c /* feed (FF) */ * 0x0c : feed (FF)
|| c == 0x0d /* carriage return (CR) */ * 0x0d : carriage return (CR) */
; return c == 0x20 || ((uint8_t)(c - 0x09) < 5);
/* return c == 0x20 || ((uint8_t)(c - 0x09) < 5); */ #elif defined(GMIO_STRINGUTILS_C_ARRAYS)
#else
static const unsigned char space_chars[] = { 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, 1, 1, 1, 1, 1, 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, 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 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}; };
return space_chars[c]; return space_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return isspace(c);
#endif #endif
} }
@ -57,9 +66,9 @@ GMIO_INLINE int gmio_clocale_isspace(char c)
* otherwise */ * otherwise */
GMIO_INLINE int gmio_clocale_isupper(char c) GMIO_INLINE int gmio_clocale_isupper(char c)
{ {
#if 0 #if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return 65 <= c && c <= 90; return 65 <= c && c <= 90;
#else #elif defined(GMIO_STRINGUTILS_C_ARRAYS)
static const unsigned char upper_chars[] = { 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,
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 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}; };
return upper_chars[c]; return upper_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return isupper(c);
#endif #endif
} }
@ -86,9 +97,9 @@ GMIO_INLINE int gmio_clocale_isupper(char c)
* otherwise */ * otherwise */
GMIO_INLINE int gmio_clocale_islower(char c) GMIO_INLINE int gmio_clocale_islower(char c)
{ {
#if 0 #if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return 97 <= c && c <= 122; return 97 <= c && c <= 122;
#else #elif defined(GMIO_STRINGUTILS_C_ARRAYS)
static const unsigned char lower_chars[] = { 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,
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 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}; };
return lower_chars[c]; return lower_chars[c];
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return islower(c);
#endif #endif
} }