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 "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 -------------------------------------------------*/