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py/unicode: Clean up utf8 funcs and provide non-utf8 inline versions.

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This patch provides inline versions of the utf8 helper functions for the
case when unicode is disabled (MICROPY_PY_BUILTINS_STR_UNICODE set to 0).
This saves code size.

The unichar_charlen function is also renamed to utf8_charlen to match the
other utf8 helper functions, and the signature of this function is adjusted
for consistency (const char* -> const byte*, mp_uint_t -> size_t).
This commit is contained in:
Damien George
2018-02-14 18:19:22 +11:00
parent 49e0dd54e6
commit 19aee9438a
5 changed files with 21 additions and 22 deletions
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8
py/misc.h
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@@ -121,8 +121,15 @@ typedef uint32_t unichar;
typedef uint unichar;
#endif
#if MICROPY_PY_BUILTINS_STR_UNICODE
unichar utf8_get_char(const byte *s);
const byte *utf8_next_char(const byte *s);
size_t utf8_charlen(const byte *str, size_t len);
#else
static inline unichar utf8_get_char(const byte *s) { return *s; }
static inline const byte *utf8_next_char(const byte *s) { return s + 1; }
static inline size_t utf8_charlen(const byte *str, size_t len) { (void)str; return len; }
#endif
bool unichar_isspace(unichar c);
bool unichar_isalpha(unichar c);
@@ -135,7 +142,6 @@ bool unichar_islower(unichar c);
unichar unichar_tolower(unichar c);
unichar unichar_toupper(unichar c);
mp_uint_t unichar_xdigit_value(unichar c);
mp_uint_t unichar_charlen(const char *str, mp_uint_t len);
#define UTF8_IS_NONASCII(ch) ((ch) & 0x80)
#define UTF8_IS_CONT(ch) (((ch) & 0xC0) == 0x80)