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| author | Ezio Melotti <ezio.melotti@gmail.com> | 2011-08-22 17:03:25 (GMT) |
|---|---|---|
| committer | Ezio Melotti <ezio.melotti@gmail.com> | 2011-08-22 17:03:25 (GMT) |
| commit | 8c9375bb5996417f737e63f5080fc8b6eb886a77 (patch) | |
| tree | 3b6bf8c1b1984a0c952768631b41e7b36f65642b /Include | |
| parent | 3d1706fa83be3d60562098a9e86eb1f8f778a35c (diff) | |
| download | cpython-8c9375bb5996417f737e63f5080fc8b6eb886a77.zip cpython-8c9375bb5996417f737e63f5080fc8b6eb886a77.tar.gz cpython-8c9375bb5996417f737e63f5080fc8b6eb886a77.tar.bz2 | |
#10542: Add 4 macros to work with surrogates: Py_UNICODE_IS_SURROGATE, Py_UNICODE_IS_HIGH_SURROGATE, Py_UNICODE_IS_LOW_SURROGATE, Py_UNICODE_JOIN_SURROGATES.
Diffstat (limited to 'Include')
| -rw-r--r-- | Include/unicodeobject.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h index 44c1775..68298b0 100644 --- a/Include/unicodeobject.h +++ b/Include/unicodeobject.h @@ -362,6 +362,15 @@ typedef PY_UNICODE_TYPE Py_UNICODE; for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\ } while (0) +/* macros to work with surrogates */ +#define Py_UNICODE_IS_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDFFF) +#define Py_UNICODE_IS_HIGH_SURROGATE(ch) (0xD800 <= ch && ch <= 0xDBFF) +#define Py_UNICODE_IS_LOW_SURROGATE(ch) (0xDC00 <= ch && ch <= 0xDFFF) +/* Join two surrogate characters and return a single Py_UCS4 value. */ +#define Py_UNICODE_JOIN_SURROGATES(high, low) \ + (((((Py_UCS4)(high) & 0x03FF) << 10) | \ + ((Py_UCS4)(low) & 0x03FF)) + 0x10000) + /* Check if substring matches at given offset. The offset must be valid, and the substring must not be empty. */ |