1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# Copyright (C) 2008 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""Pyrex extensions for converting chunks to lines."""
#python2.4 support
cdef extern from "python-compat.h":
pass
cdef extern from "stdlib.h":
ctypedef unsigned size_t
cdef extern from "Python.h":
ctypedef int Py_ssize_t # Required for older pyrex versions
ctypedef struct PyObject:
pass
int PyList_Append(object lst, object item) except -1
char *PyString_AsString(object p) except NULL
int PyString_AsStringAndSize(object s, char **buf, Py_ssize_t *len) except -1
cdef extern from "string.h":
void *memchr(void *s, int c, size_t n)
def chunks_to_lines(chunks):
cdef char *c_str
cdef char *newline
cdef char *c_last
cdef Py_ssize_t the_len
# Check to see if the chunks are already lines
for chunk in chunks:
PyString_AsStringAndSize(chunk, &c_str, &the_len)
if the_len == 0:
break
c_last = c_str + the_len - 1
newline = <char *>memchr(c_str, c'\n', the_len)
if newline == NULL or newline != c_last:
break
else:
return chunks
from bzrlib import osutils
return osutils.split_lines(''.join(chunks))
|