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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* 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 program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation. Please
* review the following information to ensure the GNU Lesser General
* Public License version 2.1 requirements will be met:
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
*
* As a special exception to the GNU Lesser General Public License
* version 2.1, the object code form of a "work that uses the Library"
* may incorporate material from a header file that is part of the
* Library. You may distribute such object code under terms of your
* choice, provided that the incorporated material (i) does not exceed
* more than 5% of the total size of the Library; and (ii) is limited to
* numerical parameters, data structure layouts, accessors, macros,
* inline functions and templates.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "dynamicqmetaobject.h"
#include <QByteArray>
#include <QString>
#include <QList>
#include <QObject>
#include <cstring>
#include <QDebug>
#include <QMetaMethod>
using namespace PySide;
static int registerString(const QByteArray& s, QList<QByteArray>* strings)
{
int idx = 0;
for (int i = 0; i < strings->count(); ++i) {
const QString &str = strings->at(i);
if (str == s)
return idx;
idx += str.length() + 1;
}
strings->append(s);
return idx;
}
DynamicQMetaObject::DynamicQMetaObject(const char *className, const QMetaObject* metaObject)
{
d.superdata = metaObject;
d.stringdata = 0;
d.data = 0;
d.extradata = 0;
m_className = QByteArray(className);
updateMetaObject();
}
DynamicQMetaObject::~DynamicQMetaObject()
{
delete[] d.stringdata;
delete[] d.data;
}
void DynamicQMetaObject::addSignal(const char* signal)
{
m_signals << QByteArray(signal);
updateMetaObject();
}
void DynamicQMetaObject::addSlot(const char* slot)
{
m_slots << QByteArray(slot);
updateMetaObject();
}
void DynamicQMetaObject::removeSlot(uint index)
{
QMetaMethod m = method(index);
if (m_slots.removeAll(m.signature()))
updateMetaObject();
}
void DynamicQMetaObject::removeSignal(uint index)
{
QMetaMethod m = method(index);
if (m_signals.removeAll(m.signature()))
updateMetaObject();
}
void DynamicQMetaObject::updateMetaObject()
{
// these values are from moc source code, generator.cpp:66
enum MethodFlags {
AccessPrivate = 0x00,
AccessProtected = 0x01,
AccessPublic = 0x02,
MethodMethod = 0x00,
MethodSignal = 0x04,
MethodSlot = 0x08,
MethodConstructor = 0x0c,
MethodCompatibility = 0x10,
MethodCloned = 0x20,
MethodScriptable = 0x40
};
uint n_signals = m_signals.count();
uint n_methods = n_signals + m_slots.count();
int header[] = {5, // revision
0, // class name index in m_metadata
0, 0, // classinfo and classinfo index, not used by us
n_methods, 0, // method count and method list index
0, 0, // prop count and prop indexes
0, 0, // enum count and enum index
0, 0, // constructors
0, // flags
n_signals // signalCount
};
const int HEADER_LENGHT = sizeof(header)/sizeof(int);
header[5] = HEADER_LENGHT;
// header size + 5 indexes per method + an ending zero
delete[] d.data;
unsigned int* data;
data = new unsigned int[HEADER_LENGHT + n_methods*5 + 1];
std::memcpy(data, header, sizeof(header));
QList<QByteArray> strings;
registerString(m_className, &strings); // register class string
const int NULL_INDEX = registerString("", &strings); // register a null string
int index = HEADER_LENGHT;
//write signals
foreach(QByteArray signal, m_signals) {
data[index++] = registerString(signal, &strings); // func name
data[index++] = NULL_INDEX; // arguments
data[index++] = NULL_INDEX; // normalized type
data[index++] = NULL_INDEX; // tags
data[index++] = AccessPublic | MethodSignal; // flags
}
//write slots
foreach(QByteArray slot, m_slots) {
data[index++] = registerString(slot, &strings); // func name
data[index++] = NULL_INDEX; // arguments
data[index++] = NULL_INDEX; // normalized type
data[index++] = NULL_INDEX; // tags
data[index++] = AccessPublic | MethodSlot; // flags
}
data[index++] = 0; // the end
// create the m_metadata string
QByteArray str;
foreach(QByteArray signature, strings) {
str.append(signature);
str.append(char(0));
}
delete[] d.stringdata;
char* stringData = new char[str.count()];
std::copy(str.begin(), str.end(), stringData);
d.data = data;
d.stringdata = stringData;
}
|
