~mdw / mLib-python / blame
| Commit | Line | Data |
|---|---|---|
| 5b1830f3 MW |
1 | ### -*-pyrex-*- |
| 2 | ### | |
| 3 | ### Selecting line-buffers | |
| 4 | ### | |
| 5 | ### (c) 2005 Straylight/Edgeware | |
| 6 | ### | |
| 579d0169 | 7 | |
| 5b1830f3 MW |
8 | ###----- Licensing notice --------------------------------------------------- |
| 9 | ### | |
| 10 | ### This file is part of the Python interface to mLib. | |
| 11 | ### | |
| 12 | ### mLib/Python is free software; you can redistribute it and/or modify | |
| 13 | ### it under the terms of the GNU General Public License as published by | |
| 14 | ### the Free Software Foundation; either version 2 of the License, or | |
| 15 | ### (at your option) any later version. | |
| 16 | ### | |
| 17 | ### mLib/Python is distributed in the hope that it will be useful, | |
| 18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | ### GNU General Public License for more details. | |
| 21 | ### | |
| 22 | ### You should have received a copy of the GNU General Public License | |
| 23 | ### along with mLib/Python; if not, write to the Free Software Foundation, | |
| 24 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 579d0169 | 25 | |
| 26 | cdef class SelLineBuffer: | |
| 27 | cdef selbuf b | |
| 28 | cdef _line | |
| 29 | cdef _eof | |
| 376ad06d | 30 | def __cinit__(me, fd, lineproc = None, eofproc = None, *hunoz, **hukairz): |
| 579d0169 | 31 | selbuf_init(&me.b, &_sel, _getfd(fd), _selbfunc, <void *>me) |
| 32 | selbuf_disable(&me.b) | |
| 33 | me._line = _checkcallable(lineproc, 'line proc') | |
| 34 | me._eof = _checkcallable(eofproc, 'eof proc') | |
| 35 | def __dealloc__(me): | |
| 36 | selbuf_destroy(&me.b) | |
| 37 | property activep: | |
| 38 | def __get__(me): | |
| 39 | return _tobool(me.b.b.f & LBUF_ENABLE) | |
| 40 | property fd: | |
| 41 | def __get__(me): | |
| 42 | return me.b.reader.fd | |
| 43 | property delim: | |
| 44 | def __get__(me): | |
| 45 | if me.b.b.delim == _LBUF_CRLF or me.b.b.delim == _LBUF_STRICTCRLF: | |
| 46 | return me.b.b.delim | |
| 47 | else: | |
| 48 | return chr(me.b.b.delim) | |
| 49 | def __set__(me, d): | |
| 50 | if d == _LBUF_CRLF or d == _LBUF_STRICTCRLF: | |
| 51 | me.b.b.delim = d | |
| 52 | else: | |
| 53 | me.b.b.delim = ord(d) | |
| 54 | property size: | |
| 55 | def __get__(me): | |
| 56 | return me.b.b.sz | |
| 57 | def __set__(me, sz): | |
| 58 | if sz <= 0: | |
| 59 | raise TypeError, 'size must be positive' | |
| 60 | selbuf_setsize(&me.b, sz) | |
| 61 | property lineproc: | |
| 62 | def __get__(me): | |
| 63 | return me._line | |
| 64 | def __set__(me, proc): | |
| 65 | me._line = _checkcallable(proc, 'line proc') | |
| 66 | def __del__(me): | |
| 67 | me._line = None | |
| 68 | property eofproc: | |
| 69 | def __get__(me): | |
| 70 | return me._eof | |
| 71 | def __set__(me, proc): | |
| 72 | me._eof = _checkcallable(proc, 'eof proc') | |
| 73 | def __del__(me): | |
| 74 | me._eof = None | |
| 75 | def enable(me): | |
| 76 | if me.b.b.f & LBUF_ENABLE: | |
| 77 | raise ValueError, 'already enabled' | |
| 78 | selbuf_enable(&me.b) | |
| 79 | me.enabled() | |
| 80 | return me | |
| 81 | def disable(me): | |
| 82 | if not (me.b.b.f & LBUF_ENABLE): | |
| 83 | raise ValueError, 'already disabled' | |
| 84 | selbuf_disable(&me.b) | |
| 85 | me.disabled() | |
| 86 | return me | |
| 87 | def enabled(me): | |
| 88 | pass | |
| 89 | def disabled(me): | |
| 90 | pass | |
| 91 | def line(me, line): | |
| 92 | return _maybecall(me._line, (line,)) | |
| 93 | def eof(me): | |
| 94 | return _maybecall(me._eof, ()) | |
| 95 | ||
| b51b6cf0 | 96 | cdef void _selbfunc(char *s, size_t n, void *arg): |
| 579d0169 | 97 | cdef SelLineBuffer sb |
| 98 | sb = <SelLineBuffer>arg | |
| 99 | if s is NULL: | |
| 100 | sb.eof() | |
| 101 | else: | |
| 102 | sb.line(PyString_FromStringAndSize(s, n)) | |
| 103 | ||
| 5b1830f3 | 104 | ###----- That's all, folks -------------------------------------------------- |