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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-04 23:31:05 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-04 23:31:05 (GMT) |
| commit | 4d0d54bcba6d264dc0685ff58041030e8bf28abe (patch) | |
| tree | dfc8014ade25e9154c1c2e7d17568c1c6102f044 | |
| parent | 9310abbf40b4c6616b88bfe85203abeb77e2f35d (diff) | |
| download | cpython-4d0d54bcba6d264dc0685ff58041030e8bf28abe.zip cpython-4d0d54bcba6d264dc0685ff58041030e8bf28abe.tar.gz cpython-4d0d54bcba6d264dc0685ff58041030e8bf28abe.tar.bz2 | |
Document requierements of Unicode kinds
| -rw-r--r-- | Include/unicodeobject.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h index 9ddc026..0fd752f 100644 --- a/Include/unicodeobject.h +++ b/Include/unicodeobject.h @@ -288,10 +288,26 @@ typedef struct { unsigned int interned:2; /* Character size: - PyUnicode_WCHAR_KIND (0): wchar_t* - PyUnicode_1BYTE_KIND (1): Py_UCS1* - PyUnicode_2BYTE_KIND (2): Py_UCS2* - PyUnicode_4BYTE_KIND (3): Py_UCS4* + - PyUnicode_WCHAR_KIND (0): + + * character type = wchar_t (16 or 32 bits, depending on the + platform) + + - PyUnicode_1BYTE_KIND (1): + + * character type = Py_UCS1 (8 bits, unsigned) + * if ascii is 1, at least one character must be in range + U+80-U+FF, otherwise all characters must be in range U+00-U+7F + + - PyUnicode_2BYTE_KIND (2): + + * character type = Py_UCS2 (16 bits, unsigned) + * at least one character must be in range U+0100-U+1FFFF + + - PyUnicode_4BYTE_KIND (3): + + * character type = Py_UCS4 (32 bits, unsigned) + * at least one character must be in range U+10000-U+10FFFF */ unsigned int kind:2; /* Compact is with respect to the allocation scheme. Compact unicode |