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gmio_core/internal: give <ctype.h> implementations for tolower/toupper functions

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This commit is contained in:
Hugues Delorme 2015-10-30 11:51:31 +01:00
parent 2f282d6c29
commit 28dd6de941
2 changed files with 27 additions and 22 deletions
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5
src/gmio_core/config.h.cmake
View File

@ -65,11 +65,6 @@
#endif
/* Header: gmio_core/internal/string_utils.h */
#ifndef GMIO_STRINGUTILS_DIRECT_TESTS
/* Use implementation based on "direct testing" */
# define GMIO_STRINGUTILS_DIRECT_TESTS
#endif
/*#define GMIO_STRINGUTILS_C_ARRAYS*/
/*#define GMIO_STRINGUTILS_CTYPE_H*/
#endif /* GMIO_CONFIG_H_CMAKE */

44
src/gmio_core/internal/string_utils.h
View File

@ -69,52 +69,57 @@ GMIO_INLINE gmio_bool_t gmio_ascii_istarts_with(
int gmio_ascii_isspace(char c)
{
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return isspace(c);
#else
/* 0x20 : space (SPC)
* 0x09 : horizontal tab (TAB)
* 0x0a : newline (LF)
* 0x0b : vertical tab (VT)
* 0x0c : feed (FF)
* 0x0d : carriage return (CR) */
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
/* TODO: eliminate branch */
* 0x0d : carriage return (CR)
*
* TODO: eliminate branch
*/
return c == 0x20 || ((uint8_t)(c - 0x09) < 5);
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
return isspace(c);
#endif
}
int gmio_ascii_isdigit(char c)
{
/* 48 <= c <= 57 */
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return (uint8_t) (c - 48) < 10;
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return isdigit(c);
#else
/* 48 <= c <= 57 */
return (uint8_t) (c - 48) < 10;
#endif
}
int gmio_ascii_isupper(char c)
{
/* 65 <= c <= 90; */
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return (uint8_t) (c - 65) < 26;
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return isupper(c);
#else
/* 65 <= c <= 90; */
return (uint8_t) (c - 65) < 26;
#endif
}
int gmio_ascii_islower(char c)
{
/* 97 <= c <= 122; */
#if defined(GMIO_STRINGUTILS_DIRECT_TESTS)
return (unsigned) (c - 97) < 26;
#elif defined(GMIO_STRINGUTILS_CTYPE_H)
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return islower(c);
#else
/* 97 <= c <= 122; */
return (uint8_t) (c - 97) < 26;
#endif
}
char gmio_ascii_toupper(char c)
{
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return (char)toupper(c);
#else
static const char table_toupper[128] = {
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,0x09,0x0A, 0 , 0 ,0x0D, 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
@ -126,10 +131,14 @@ char gmio_ascii_toupper(char c)
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '{', '|', '}', '~', 0,
};
return table_toupper[(unsigned char)c];
#endif
}
char gmio_ascii_tolower(char c)
{
#if defined(GMIO_STRINGUTILS_CTYPE_H)
return (char)tolower(c);
#else
static const char table_tolower[128] = {
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,0x09,0x0A, 0 , 0 ,0x0D, 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
@ -141,6 +150,7 @@ char gmio_ascii_tolower(char c)
'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', 0,
};
return table_tolower[(unsigned char)c];
#endif
}
gmio_bool_t gmio_ascii_char_iequals(char c1, char c2)