File:  [ELWIX - Embedded LightWeight unIX -] / gpl / axl / py-axl / py_axl_stream.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Jun 8 07:09:12 2011 UTC (13 years, 1 month ago) by misho
Branches: axl, MAIN
CVS tags: HEAD, AXL0_6_7, AXL0_6_1
3th party - XML

    1: /** 
    2:  *  PyAxl: Axl Library python bindings
    3:  *  Copyright (C) 2009 Advanced Software Production Line, S.L.
    4:  *
    5:  *  This program is free software; you can redistribute it and/or
    6:  *  modify it under the terms of the GNU Lesser General Public License
    7:  *  as published by the Free Software Foundation; either version 2.1
    8:  *  of the License, or (at your option) any later version.
    9:  *
   10:  *  This program is distributed in the hope that it will be useful,
   11:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:  *  Lesser General Public License for more details.
   14:  *
   15:  *  You should have received a copy of the GNU Lesser General Public
   16:  *  License along with this program; if not, write to the Free
   17:  *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:  *  02111-1307 USA
   19:  *  
   20:  *  You may find a copy of the license under this software is released
   21:  *  at COPYING file. This is LGPL software: you are welcome to develop
   22:  *  proprietary applications using this library without any royalty or
   23:  *  fee but returning back any change, improvement or addition in the
   24:  *  form of source code, project image, documentation patches, etc.
   25:  *
   26:  *  For commercial support for XML enabled solutions contact us:
   27:  *          
   28:  *      Postal address:
   29:  *         Advanced Software Production Line, S.L.
   30:  *         C/ Antonio Suarez Nº 10, 
   31:  *         Edificio Alius A, Despacho 102
   32:  *         Alcalá de Henares 28802 (Madrid)
   33:  *         Spain
   34:  *
   35:  *      Email address:
   36:  *         info@aspl.es - http://www.aspl.es/axl
   37:  */
   38: #include <py_axl_stream.h>
   39: 
   40: #define LOG_DOMAIN "py-axl-stream"
   41: 
   42: struct _PyAxlStream {
   43: 	/* header required to initialize python required bits for
   44: 	   every python object */
   45: 	PyObject_HEAD
   46: 
   47: 	/* pointer to the axl stream */
   48: 	axlStream * stream;
   49: };
   50: 
   51: static int py_axl_stream_init_type (PyAxlStream *self, PyObject *args, PyObject *kwds)
   52: {
   53:     return 0;
   54: }
   55: 
   56: /** 
   57:  * @brief Function used to allocate memory required by the object
   58:  * axl.Stream
   59:  */
   60: static PyObject * py_axl_stream_new (PyTypeObject *type, PyObject *args, PyObject *kwds)
   61: {
   62: 	PyAxlStream *self;
   63: 
   64: 	/* create the object */
   65: 	self = (PyAxlStream *)type->tp_alloc(type, 0);
   66: 
   67: 	return (PyObject *)self;
   68: }
   69: 
   70: /** 
   71:  * @brief Function used to finish and dealloc memory used by the
   72:  * object axl.Stream
   73:  */
   74: static void py_axl_stream_dealloc (PyAxlStream* self)
   75: {
   76: 	/* free the stream it self */
   77: 	self->ob_type->tp_free ((PyObject*)self);
   78: 
   79: 	return;
   80: }
   81: 
   82: /** 
   83:  * @brief This function implements the generic attribute getting that
   84:  * allows to perform complex member resolution (not merely direct
   85:  * member access).
   86:  */
   87: PyObject * py_axl_stream_get_attr (PyObject *o, PyObject *attr_name) {
   88: 	const char      * attr = NULL;
   89: 	PyObject        * result;
   90: /*	PyAxlStream        * self = (PyAxlStream *) o; */
   91: 
   92: 	/* now implement other attributes */
   93: 	if (! PyArg_Parse (attr_name, "s", &attr))
   94: 		return NULL;
   95: 
   96: 	__axl_log (LOG_DOMAIN, AXL_LEVEL_DEBUG, "received request to report stream attr name %s (self: %p)",
   97: 		   attr, o);
   98: 
   99: 	/* first implement generic attr already defined */
  100: 	result = PyObject_GenericGetAttr (o, attr_name);
  101: 	if (result)
  102: 		return result;
  103: 	
  104: 	return NULL;
  105: }
  106: 
  107: /** 
  108:  * @brief Implements attribute set operation.
  109:  */
  110: int py_axl_stream_set_attr (PyObject *o, PyObject *attr_name, PyObject *v)
  111: {
  112: 	const char      * attr = NULL;
  113: /*	PyAxlStream        * self = (PyAxlStream *) o; */
  114: /*	axl_bool          boolean_value = axl_false; */
  115: 
  116: 	/* now implement other attributes */
  117: 	if (! PyArg_Parse (attr_name, "s", &attr))
  118: 		return -1;
  119: 
  120: 	/* now implement generic setter */
  121: 	return PyObject_GenericSetAttr (o, attr_name, v);
  122: }
  123: 
  124: static PyMethodDef py_axl_stream_methods[] = { 
  125:  	{NULL}  
  126: }; 
  127: 
  128: static PyTypeObject PyAxlStreamType = {
  129:     PyObject_HEAD_INIT(NULL)
  130:     0,                         /* ob_size*/
  131:     "axl.Stream",                 /* tp_name*/
  132:     sizeof(PyAxlStream),       /* tp_basicsize*/
  133:     0,                         /* tp_itemsize*/
  134:     (destructor)py_axl_stream_dealloc, /* tp_dealloc*/
  135:     0,                         /* tp_print*/
  136:     0,                         /* tp_getattr*/
  137:     0,                         /* tp_setattr*/
  138:     0,                         /* tp_compare*/
  139:     0,                         /* tp_repr*/
  140:     0,                         /* tp_as_number*/
  141:     0,                         /* tp_as_sequence*/
  142:     0,                         /* tp_as_mapping*/
  143:     0,                         /* tp_hash */
  144:     0,                         /* tp_call*/
  145:     0,                         /* tp_str*/
  146:     py_axl_stream_get_attr,    /* tp_getattro*/
  147:     py_axl_stream_set_attr,    /* tp_setattro*/
  148:     0,                         /* tp_as_buffer*/
  149:     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /* tp_flags*/
  150:     "Stream object; wrapper of axlStream API type",           /* tp_doc */
  151:     0,		               /* tp_traverse */
  152:     0,		               /* tp_clear */
  153:     0,		               /* tp_richcompare */
  154:     0,		               /* tp_weakstreamoffset */
  155:     0,		               /* tp_iter */
  156:     0,		               /* tp_iternext */
  157:     py_axl_stream_methods,     /* tp_methods */
  158:     0, /* py_axl_stream_members, */     /* tp_members */
  159:     0,                         /* tp_getset */
  160:     0,                         /* tp_base */
  161:     0,                         /* tp_dict */
  162:     0,                         /* tp_descr_get */
  163:     0,                         /* tp_descr_set */
  164:     0,                         /* tp_dictoffset */
  165:     (initproc)py_axl_stream_init_type,      /* tp_init */
  166:     0,                         /* tp_alloc */
  167:     py_axl_stream_new,         /* tp_new */
  168: 
  169: };
  170: 
  171: 
  172: /** 
  173:  * @brief Allows to check if the PyObject received represents a
  174:  * PyAxlStream reference.
  175:  */
  176: axl_bool             py_axl_stream_check    (PyObject          * obj)
  177: {
  178: 	/* check null references */
  179: 	if (obj == NULL)
  180: 		return axl_false;
  181: 
  182: 	/* return check result */
  183: 	return PyObject_TypeCheck (obj, &PyAxlStreamType);
  184: }
  185: 
  186: void        init_axl_stream      (PyObject * module)
  187: {
  188: 	/* register type */
  189: 	if (PyType_Ready(&PyAxlStreamType) < 0)
  190: 		return;
  191: 	
  192: 	Py_INCREF (&PyAxlStreamType);
  193: 	PyModule_AddObject(module, "Stream", (PyObject *)&PyAxlStreamType);
  194: 
  195: }
  196: 
  197: 

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