1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* This file is part of the Shiboken Python Bindings Generator project.
*
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "helper.h"
#include <stdarg.h>
namespace Shiboken
{
bool sequenceToArgcArgv(PyObject* argList, int* argc, char*** argv, const char* defaultAppName)
{
if (!PySequence_Check(argList))
return false;
if (!defaultAppName)
defaultAppName = "PySideApplication";
// Check all items
Shiboken::AutoDecRef args(PySequence_Fast(argList, 0));
int numArgs = PySequence_Fast_GET_SIZE(argList);
for (int i = 0; i < numArgs; ++i) {
PyObject* item = PySequence_Fast_GET_ITEM(args.object(), i);
if (!PyString_Check(item) && !PyUnicode_Check(item))
return false;
}
bool hasEmptyArgList = numArgs == 0;
if (hasEmptyArgList)
numArgs = 1;
*argc = numArgs;
*argv = new char*[*argc];
if (hasEmptyArgList) {
// Try to get the script name
PyObject* globals = PyEval_GetGlobals();
PyObject* appName = PyDict_GetItemString(globals, "__file__");
(*argv)[0] = strdup(appName ? PyString_AS_STRING(appName) : defaultAppName);
} else {
for (int i = 0; i < numArgs; ++i) {
PyObject* item = PySequence_Fast_GET_ITEM(args.object(), i);
char* string;
if (PyUnicode_Check(item)) {
Shiboken::AutoDecRef utf8(PyUnicode_AsUTF8String(item));
string = strdup(PyString_AS_STRING(utf8.object()));
} else {
string = strdup(PyString_AS_STRING(item));
}
(*argv)[i] = string;
}
}
return true;
}
int* sequenceToIntArray(PyObject* obj, bool zeroTerminated)
{
AutoDecRef seq(PySequence_Fast(obj, "Sequence of ints expected"));
if (seq.isNull())
return 0;
Py_ssize_t size = PySequence_Fast_GET_SIZE(seq.object());
int* array = new int[size + (zeroTerminated ? 1 : 0)];
for (int i = 0; i < size; i++) {
PyObject* item = PySequence_Fast_GET_ITEM(seq.object(), i);
if (!PyInt_Check(item)) {
PyErr_SetString(PyExc_TypeError, "Sequence of ints expected");
delete[] array;
return 0;
} else {
array[i] = PyInt_AsLong(item);
}
}
if (zeroTerminated)
array[size] = 0;
return array;
}
int warning(PyObject *category, int stacklevel, const char *format, ...)
{
va_list args;
va_start(args, format);
#if _WIN32
va_list args2 = args;
#else
va_list args2;
va_copy(args2, args);
#endif
// check the necessary memmory
int result = vsnprintf(NULL, 0, format, args);
char *message = (char*) malloc(result);
if (message) {
// format the message
vsnprintf(message, result, format, args2);
result = PyErr_WarnEx(category, message, stacklevel);
free(message);
} else {
result = 0;
}
va_end(args2);
va_end(args);
return result;
}
} // namespace Shiboken
|