summaryrefslogtreecommitdiffstats
path: root/qtinterface/qt4/Qt/qdebug.h
blob: fc7887e361208056463f485ca8b8bb9d1f420a65 (plain)
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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDEBUG_H
#define QDEBUG_H

#include <QtCore/qalgorithms.h>
#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qpair.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qstring.h>
#include <QtCore/qvector.h>
#include <QtCore/qset.h>
#include <QtCore/qcontiguouscache.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class Q_CORE_EXPORT QDebug
{
    struct Stream {
        Stream(QIODevice *device) : ts(device), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
        Stream(QString *string) : ts(string, QIODevice::WriteOnly), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
        Stream(QtMsgType t) : ts(&buffer, QIODevice::WriteOnly), ref(1), type(t), space(true), message_output(true) {}
        QTextStream ts;
        QString buffer;
        int ref;
        QtMsgType type;
        bool space;
        bool message_output;
    } *stream;
public:
    inline QDebug(QIODevice *device) : stream(new Stream(device)) {}
    inline QDebug(QString *string) : stream(new Stream(string)) {}
    inline QDebug(QtMsgType t) : stream(new Stream(t)) {}
    inline QDebug(const QDebug &o):stream(o.stream) { ++stream->ref; }
    inline QDebug &operator=(const QDebug &other);
    inline ~QDebug() {
        if (!--stream->ref) {
            if(stream->message_output) {
                QT_TRY {
                    qt_message_output(stream->type, stream->buffer.toLocal8Bit().data());
                } QT_CATCH(std::bad_alloc&) { /* We're out of memory - give up. */ }
            }
            delete stream;
        }
    }
    inline QDebug &space() { stream->space = true; stream->ts << ' '; return *this; }
    inline QDebug &nospace() { stream->space = false; return *this; }
    inline QDebug &maybeSpace() { if (stream->space) stream->ts << ' '; return *this; }

    inline QDebug &operator<<(QChar t) { stream->ts << '\'' << t << '\''; return maybeSpace(); }
    inline QDebug &operator<<(QBool t) { stream->ts << (bool(t != 0) ? "true" : "false"); return maybeSpace(); }
    inline QDebug &operator<<(bool t) { stream->ts << (t ? "true" : "false"); return maybeSpace(); }
    inline QDebug &operator<<(char t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(signed short t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(unsigned short t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(signed int t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(unsigned int t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(signed long t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(unsigned long t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(qint64 t)
        { stream->ts << QString::number(t); return maybeSpace(); }
    inline QDebug &operator<<(quint64 t)
        { stream->ts << QString::number(t); return maybeSpace(); }
    inline QDebug &operator<<(float t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(double t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(const char* t) { stream->ts << QString::fromAscii(t); return maybeSpace(); }
    inline QDebug &operator<<(const QString & t) { stream->ts << '\"' << t  << '\"'; return maybeSpace(); }
    inline QDebug &operator<<(const QStringRef & t) { return operator<<(t.toString()); }
    inline QDebug &operator<<(const QLatin1String &t) { stream->ts << '\"'  << t.latin1() << '\"'; return maybeSpace(); }
    inline QDebug &operator<<(const QByteArray & t) { stream->ts  << '\"' << t << '\"'; return maybeSpace(); }
    inline QDebug &operator<<(const void * t) { stream->ts << t; return maybeSpace(); }
    inline QDebug &operator<<(QTextStreamFunction f) {
        stream->ts << f;
        return *this;
    }

    inline QDebug &operator<<(QTextStreamManipulator m)
    { stream->ts << m; return *this; }
};

class QNoDebug
{
public:
    inline QNoDebug(){}
    inline QNoDebug(const QDebug &){}
    inline ~QNoDebug(){}
#if !defined( QT_NO_TEXTSTREAM )
    inline QNoDebug &operator<<(QTextStreamFunction) { return *this; }
    inline QNoDebug &operator<<(QTextStreamManipulator) { return *this; }
#endif
    inline QNoDebug &space() { return *this; }
    inline QNoDebug &nospace() { return *this; }
    inline QNoDebug &maybeSpace() { return *this; }

#ifndef QT_NO_MEMBER_TEMPLATES
    template<typename T>
    inline QNoDebug &operator<<(const T &) { return *this; }
#endif
};

Q_CORE_EXPORT_INLINE QDebug qCritical() { return QDebug(QtCriticalMsg); }

inline QDebug &QDebug::operator=(const QDebug &other)
{
    if (this != &other) {
        QDebug copy(other);
        qSwap(stream, copy.stream);
    }
    return *this;
}

#if defined(FORCE_UREF)
template <class T>
inline QDebug &operator<<(QDebug debug, const QList<T> &list)
#else
template <class T>
inline QDebug operator<<(QDebug debug, const QList<T> &list)
#endif
{
    debug.nospace() << '(';
    for (Q_TYPENAME QList<T>::size_type i = 0; i < list.count(); ++i) {
        if (i)
            debug << ", ";
        debug << list.at(i);
    }
    debug << ')';
    return debug.space();
}

#if defined(FORCE_UREF)
template <typename T>
inline QDebug &operator<<(QDebug debug, const QVector<T> &vec)
#else
template <typename T>
inline QDebug operator<<(QDebug debug, const QVector<T> &vec)
#endif
{
    debug.nospace() << "QVector";
    return operator<<(debug, vec.toList());
}

#if defined(FORCE_UREF)
template <class aKey, class aT>
inline QDebug &operator<<(QDebug debug, const QMap<aKey, aT> &map)
#else
template <class aKey, class aT>
inline QDebug operator<<(QDebug debug, const QMap<aKey, aT> &map)
#endif
{
    debug.nospace() << "QMap(";
    for (typename QMap<aKey, aT>::const_iterator it = map.constBegin();
         it != map.constEnd(); ++it) {
        debug << '(' << it.key() << ", " << it.value() << ')';
    }
    debug << ')';
    return debug.space();
}

#if defined(FORCE_UREF)
template <class aKey, class aT>
inline QDebug &operator<<(QDebug debug, const QHash<aKey, aT> &hash)
#else
template <class aKey, class aT>
inline QDebug operator<<(QDebug debug, const QHash<aKey, aT> &hash)
#endif
{
    debug.nospace() << "QHash(";
    for (typename QHash<aKey, aT>::const_iterator it = hash.constBegin();
            it != hash.constEnd(); ++it)
        debug << '(' << it.key() << ", " << it.value() << ')';
    debug << ')';
    return debug.space();
}

#if defined(FORCE_UREF)
template <class T1, class T2>
inline QDebug &operator<<(QDebug debug, const QPair<T1, T2> &pair)
#else
template <class T1, class T2>
inline QDebug operator<<(QDebug debug, const QPair<T1, T2> &pair)
#endif
{
    debug.nospace() << "QPair(" << pair.first << ',' << pair.second << ')';
    return debug.space();
}

template <typename T>
inline QDebug operator<<(QDebug debug, const QSet<T> &set)
{
    debug.nospace() << "QSet";
    return operator<<(debug, set.toList());
}

#if defined(FORCE_UREF)
template <class T>
inline QDebug &operator<<(QDebug debug, const QContiguousCache<T> &cache)
#else
template <class T>
inline QDebug operator<<(QDebug debug, const QContiguousCache<T> &cache)
#endif
{
    debug.nospace() << "QContiguousCache(";
    for (int i = cache.firstIndex(); i <= cache.lastIndex(); ++i) {
        debug << cache[i];
        if (i != cache.lastIndex())
            debug << ", ";
    }
    debug << ')';
    return debug.space();
}

#if !defined(QT_NO_DEBUG_STREAM)
Q_CORE_EXPORT_INLINE QDebug tqDebug() { return QDebug(QtDebugMsg); }

#else // QT_NO_DEBUG_STREAM
#undef tqDebug
inline QNoDebug tqDebug() { return QNoDebug(); }
#define tqDebug QT_NO_QDEBUG_MACRO

#ifdef QT_NO_MEMBER_TEMPLATES
template<typename T>
inline QNoDebug operator<<(QNoDebug debug, const T &) { return debug; }
#endif

#endif

#if !defined(QT_NO_WARNING_OUTPUT)
Q_CORE_EXPORT_INLINE QDebug tqWarning() { return QDebug(QtWarningMsg); }
#else
#undef tqWarning
inline QNoDebug tqWarning() { return QNoDebug(); }
#define tqWarning QT_NO_QWARNING_MACRO
#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDEBUG_H