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/* $Id$
*
* PyLasso - Python bindings for Lasso library
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Nicolas Clapies <nclapies@entrouvert.com>
* Valery Febvre <vfebvre@easter-eggs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include "utils.h"
int CheckArgs(PyObject *args, char *format) {
PyObject *obj;
int i, nb_args;
nb_args = PyTuple_GET_SIZE(args);
/* lowercase means that arg is optional */
/* O : Instance */
/* C : Callable */
/* S : String */
/* I : Integer */
/* F : File */
for (i = 0; i < nb_args; i++) {
obj = PyTuple_GET_ITEM(args, i);
/* O or o : instance */
if (format[i] == 'O' || format[i] == 'o') {
if (!PyInstance_Check(obj)) {
if (format[i] == 'o' && obj == Py_None) continue;
PyErr_Format(lasso_error,
"%s() argument %d must be an instance.",
format + nb_args, i+1);
return 0;
}
}
/* C or c : callable */
else if (format[i] == 'C' || format[i] == 'c') {
if (!PyCallable_Check(obj)) {
if (format[i] == 'c' && obj == Py_None) continue;
PyErr_Format(lasso_error,
"%s() argument %d must be callable.",
format + nb_args, i+1);
return 0;
}
}
/* S or s : string */
else if (format[i] == 'S' || format[i] == 's') {
if (!PyString_Check(obj)) {
if (format[i] == 's' && obj == Py_None) continue;
PyErr_Format(lasso_error,
"%s() argument %d must be a string.",
format + nb_args, i+1);
return 0;
}
}
/* I or i : integer */
else if (format[i] == 'I' || format[i] == 'i') {
if (!PyInt_Check(obj)) {
if (format[i] == 'i' && obj == Py_None) continue;
PyErr_Format(lasso_error,
"%s() argument %d must be an integer.",
format + nb_args, i+1);
return 0;
}
}
/* F or f : file */
else if (format[i] == 'F' || format[i] == 'f') {
if (!PyFile_Check(obj)) {
if (format[i] == 'f' && obj == Py_None) continue;
PyErr_Format(lasso_error,
"%s() argument %d must be a file.",
format + nb_args, i+1);
return 0;
}
}
/* type is variable */
else if (format[i] == '?') {
continue;
}
}
return 1;
}
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