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Use _PyUnicode_CONVERT_BYTES() where applicable.

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This commit is contained in:
Antoine Pitrou 2011-10-11 22:45:48 +02:00
parent b896001377
commit 950468e553
1 changed files with 17 additions and 12 deletions
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29
Objects/unicodeobject.c
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@ -1757,14 +1757,14 @@ _PyUnicode_FromUCS4(const Py_UCS4 *u, Py_ssize_t size)
res = PyUnicode_New(size, max_char); res = PyUnicode_New(size, max_char);
if (!res) if (!res)
return NULL; return NULL;
if (max_char >= 0x10000) if (max_char < 256)
_PyUnicode_CONVERT_BYTES(Py_UCS4, Py_UCS1, u, u + size,
PyUnicode_1BYTE_DATA(res));
else if (max_char < 0x10000)
_PyUnicode_CONVERT_BYTES(Py_UCS4, Py_UCS2, u, u + size,
PyUnicode_2BYTE_DATA(res));
else
memcpy(PyUnicode_4BYTE_DATA(res), u, sizeof(Py_UCS4)*size); memcpy(PyUnicode_4BYTE_DATA(res), u, sizeof(Py_UCS4)*size);
else {
int kind = PyUnicode_KIND(res);
void *data = PyUnicode_DATA(res);
for (i = 0; i < size; i++)
PyUnicode_WRITE(kind, data, i, u[i]);
}
assert(_PyUnicode_CheckConsistency(res, 1)); assert(_PyUnicode_CheckConsistency(res, 1));
return res; return res;
} }
@ -1978,13 +1978,18 @@ as_ucs4(PyObject *string, Py_UCS4 *target, Py_ssize_t targetsize,
return NULL; return NULL;
} }
} }
if (kind != PyUnicode_4BYTE_KIND) { if (kind == PyUnicode_1BYTE_KIND) {
Py_ssize_t i; Py_UCS1 *start = (Py_UCS1 *) data;
for (i = 0; i < len; i++) _PyUnicode_CONVERT_BYTES(Py_UCS1, Py_UCS4, start, start + len, target);
target[i] = PyUnicode_READ(kind, data, i);
} }
else else if (kind == PyUnicode_2BYTE_KIND) {
Py_UCS2 *start = (Py_UCS2 *) data;
_PyUnicode_CONVERT_BYTES(Py_UCS2, Py_UCS4, start, start + len, target);
}
else {
assert(kind == PyUnicode_4BYTE_KIND);
Py_MEMCPY(target, data, len * sizeof(Py_UCS4)); Py_MEMCPY(target, data, len * sizeof(Py_UCS4));
}
if (copy_null) if (copy_null)
target[len] = 0; target[len] = 0;
return target; return target;