5 * (c) 2004 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the Python interface to Catacomb.
12 * Catacomb/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.
17 * Catacomb/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.
22 * You should have received a copy of the GNU General Public License
23 * along with Catacomb/Python; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 /*----- Header files ------------------------------------------------------*/
29 #include "catacomb-python.h"
31 /*----- Main code ---------------------------------------------------------*/
33 PyTypeObject
*bytestring_pytype
;
35 static PyObject
*dowrap(PyTypeObject
*ty
, const void *p
, size_t n
)
37 PyStringObject
*x
= (PyStringObject
*)ty
->tp_alloc(ty
, n
);
38 if (p
) memcpy(x
->ob_sval
, p
, n
);
43 x
->ob_sstate
= SSTATE_NOT_INTERNED
;
44 return ((PyObject
*)x
);
47 PyObject
*bytestring_pywrap(const void *p
, size_t n
)
48 { return (dowrap(bytestring_pytype
, p
, n
)); }
50 PyObject
*bytestring_pywrapbuf(buf
*b
)
51 { return (dowrap(bytestring_pytype
, BCUR(b
), BLEFT(b
))); }
53 static PyObject
*bytestring_pynew(PyTypeObject
*ty
,
54 PyObject
*arg
, PyObject
*kw
)
58 static char *kwlist
[] = { "data", 0 };
59 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#:new", kwlist
, &p
, &n
))
61 return (dowrap(ty
, p
, n
));
64 #define BINOP(name, op) \
65 static PyObject *bytestring_py##name(PyObject *x, PyObject *y) { \
66 const void *xv, *yv; \
67 const unsigned char *xp, *yp; \
72 if (PyObject_AsReadBuffer(x, &xv, &xsz) || \
73 PyObject_AsReadBuffer(y, &yv, &ysz)) \
75 if (xsz != ysz) VALERR("length mismatch"); \
76 rc = bytestring_pywrap(0, xsz); \
77 xp = xv; yp = yv; zp = (unsigned char *)PyString_AS_STRING(rc); \
78 for (i = xsz; i > 0; i--) *zp++ = *xp++ op *yp++; \
86 #define UNOP(name, op) \
87 static PyObject *bytestring_py##name(PyObject *x) { \
89 const unsigned char *xp; \
94 if (PyObject_AsReadBuffer(x, &xv, &xsz)) goto end; \
95 rc = bytestring_pywrap(0, xsz); \
96 xp = xv; zp = (unsigned char *)PyString_AS_STRING(rc); \
97 for (i = xsz; i > 0; i--) *zp++ = op *xp++; \
103 static PyNumberMethods bytestring_pynumber
= {
105 0, /* @nb_subtract@ */
106 0, /* @nb_multiply@ */
108 0, /* @nb_remainder@ */
111 0, /* @nb_negative@ */
112 0, /* @nb_positive@ */
113 0, /* @nb_absolute@ */
114 0, /* @nb_nonzero@ */
115 bytestring_pynot
, /* @nb_invert@ */
118 bytestring_pyand
, /* @nb_and@ */
119 bytestring_pyxor
, /* @nb_xor@ */
120 bytestring_pyor
, /* @nb_or@ */
129 static PyBufferProcs bytestring_pybuffer
;
131 static PyTypeObject bytestring_pytype_skel
= {
132 PyObject_HEAD_INIT(0) 0, /* Header */
133 "catacomb.ByteString", /* @tp_name@ */
134 0, /* @tp_basicsize@ */
135 0, /* @tp_itemsize@ */
137 0, /* @tp_dealloc@ */
139 0, /* @tp_getattr@ */
140 0, /* @tp_setattr@ */
141 0, /* @tp_compare@ */
143 &bytestring_pynumber
, /* @tp_as_number@ */
144 0, /* @tp_as_sequence@ */
145 0, /* @tp_as_mapping@ */
149 0, /* @tp_getattro@ */
150 0, /* @tp_setattro@ */
151 &bytestring_pybuffer
, /* @tp_as_buffer@ */
152 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
153 Py_TPFLAGS_CHECKTYPES
|
157 "Byte string class.",
159 0, /* @tp_traverse@ */
161 0, /* @tp_richcompare@ */
162 0, /* @tp_weaklistoffset@ */
164 0, /* @tp_iternext@ */
165 0, /* @tp_methods@ */
166 0, /* @tp_members@ */
170 0, /* @tp_descr_get@ */
171 0, /* @tp_descr_set@ */
172 0, /* @tp_dictoffset@ */
174 PyType_GenericAlloc
, /* @tp_alloc@ */
175 bytestring_pynew
, /* @tp_new@ */
180 /*----- Initialization ----------------------------------------------------*/
182 #define string_pytype &PyString_Type
183 void bytestring_pyinit(void)
185 INITTYPE(bytestring
, string
);
188 void bytestring_pyinsert(PyObject
*mod
)
190 INSERT("ByteString", bytestring_pytype
);
193 /*----- That's all, folks -------------------------------------------------*/