diff options
Diffstat (limited to 'python/symbolset.c')
-rw-r--r-- | python/symbolset.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/python/symbolset.c b/python/symbolset.c new file mode 100644 index 0000000..9d65e80 --- /dev/null +++ b/python/symbolset.c @@ -0,0 +1,85 @@ +/*------------------------------------------------------------------------ + * Copyright 2009 (c) Jeff Brown <spadix@users.sourceforge.net> + * + * This file is part of the ZBar Bar Code Reader. + * + * The ZBar Bar Code Reader is free software; you can redistribute it + * and/or modify it under the terms of the GNU Lesser Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * The ZBar Bar Code Reader 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 Lesser Public License for more details. + * + * You should have received a copy of the GNU Lesser Public License + * along with the ZBar Bar Code Reader; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * http://sourceforge.net/projects/zbar + *------------------------------------------------------------------------*/ + +#include "zbarmodule.h" + +static char symbolset_doc[] = PyDoc_STR("symbol result container.\n" + "\n" + "collection of symbols."); + +static int symbolset_clear(zbarSymbolSet *self) +{ + if (self->zsyms) { + zbar_symbol_set_t *zsyms = (zbar_symbol_set_t *)self->zsyms; + self->zsyms = NULL; + zbar_symbol_set_ref(zsyms, -1); + } + return (0); +} + +static void symbolset_dealloc(zbarSymbolSet *self) +{ + symbolset_clear(self); + ((PyObject *)self)->ob_type->tp_free((PyObject *)self); +} + +static zbarSymbolIter *symbolset_iter(zbarSymbolSet *self) +{ + return (zbarSymbolIter_FromSymbolSet(self)); +} + +Py_ssize_t symbolset_length(zbarSymbolSet *self) +{ + if (self->zsyms) + return (zbar_symbol_set_get_size(self->zsyms)); + return (0); +} + +static PySequenceMethods symbolset_as_sequence = { + .sq_length = (lenfunc)symbolset_length, +}; + +PyTypeObject zbarSymbolSet_Type = { + PyVarObject_HEAD_INIT(NULL, 0).tp_name = "zbar.SymbolSet", + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = symbolset_doc, + .tp_basicsize = sizeof(zbarSymbolSet), + .tp_dealloc = (destructor)symbolset_dealloc, + .tp_iter = (getiterfunc)symbolset_iter, + .tp_as_sequence = &symbolset_as_sequence, +}; + +zbarSymbolSet *zbarSymbolSet_FromSymbolSet(const zbar_symbol_set_t *zsyms) +{ + zbarSymbolSet *self = PyObject_New(zbarSymbolSet, &zbarSymbolSet_Type); + if (!self) + return (NULL); + if (zsyms) { + zbar_symbol_set_t *ncsyms = (zbar_symbol_set_t *)zsyms; + zbar_symbol_set_ref(ncsyms, 1); + } + self->zsyms = zsyms; + return (self); +} |