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nexedi
cython
Commits
2e3cf3da
Commit
2e3cf3da
authored
Mar 07, 2013
by
Nikita Nemkin
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Compatibility fix: no UTF-32 codec in Python 2.4/2.5.
parent
c0e70e4a
Changes
1
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21 additions
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14 deletions
+21
-14
Cython/Compiler/StringEncoding.py
Cython/Compiler/StringEncoding.py
+21
-14
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Cython/Compiler/StringEncoding.py
View file @
2e3cf3da
...
...
@@ -4,7 +4,6 @@
import
re
import
sys
import
array
if
sys
.
version_info
[
0
]
>=
3
:
_unicode
,
_str
,
_bytes
=
str
,
str
,
bytes
...
...
@@ -267,18 +266,26 @@ def split_string_literal(s, limit=2000):
def
encode_pyunicode_string
(
s
):
"""Create Py_UNICODE[] representation of a given unicode string.
"""
utf32_array
=
array
.
array
(
'i'
,
s
.
encode
(
'UTF-32'
))
assert
utf32_array
.
itemsize
==
4
utf32_array
.
pop
(
0
)
# Remove BOM
utf32_array
.
append
(
0
)
# Add NULL terminator
for
c
in
utf32_array
:
if
c
>
65535
:
utf16_array
=
array
.
array
(
'H'
,
s
.
encode
(
'UTF-16'
))
utf16_array
.
pop
(
0
)
# Remove BOM
utf16_array
.
append
(
0
)
# Add NULL terminator
break
s
=
map
(
ord
,
s
)
+
[
0
]
if
sys
.
maxunicode
>=
0x10000
:
# Wide build or Py3.3
utf16
,
utf32
=
[],
s
for
code_point
in
s
:
if
code_point
>=
0x10000
:
# outside of BMP
high
,
low
=
divmod
(
code_point
-
0x10000
,
1024
)
utf16
.
append
(
high
+
0xD800
)
utf16
.
append
(
low
+
0xDC00
)
else
:
utf16
.
append
(
code_point
)
else
:
utf16
,
utf32
=
s
,
[]
for
code_unit
in
s
:
if
0xDC00
<=
code_unit
<=
0xDFFF
:
# low surrogate
high
,
low
=
utf32
.
pop
(),
code_unit
utf32
.
append
(((
high
&
0x3FF
)
<<
10
)
+
(
low
&
0x3FF
)
+
0x10000
)
else
:
utf16_array
=
[]
utf32
.
append
(
code_unit
)
return
","
.
join
(
map
(
unicode
,
utf16_array
)),
","
.
join
(
map
(
unicode
,
utf32_array
))
if
utf16
==
utf32
:
utf16
=
[]
return
","
.
join
(
map
(
unicode
,
utf16
)),
","
.
join
(
map
(
unicode
,
utf32
))
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