/src/qtbase/src/gui/util/qhexstring_p.h
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1 | | /**************************************************************************** |
2 | | ** |
3 | | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | | ** Contact: https://www.qt.io/licensing/ |
5 | | ** |
6 | | ** This file is part of the QtGui module of the Qt Toolkit. |
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8 | | ** $QT_BEGIN_LICENSE:LGPL$ |
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17 | | ** GNU Lesser General Public License Usage |
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25 | | ** GNU General Public License Usage |
26 | | ** Alternatively, this file may be used under the terms of the GNU |
27 | | ** General Public License version 2.0 or (at your option) the GNU General |
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35 | | ** |
36 | | ** $QT_END_LICENSE$ |
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39 | | |
40 | | #include <QtGui/private/qtguiglobal_p.h> |
41 | | #include <QtCore/qpoint.h> |
42 | | #include <QtCore/qstring.h> |
43 | | #include <QtGui/qpolygon.h> |
44 | | #include <QtCore/qstringbuilder.h> |
45 | | |
46 | | #ifndef QHEXSTRING_P_H |
47 | | #define QHEXSTRING_P_H |
48 | | |
49 | | // |
50 | | // W A R N I N G |
51 | | // ------------- |
52 | | // |
53 | | // This file is not part of the Qt API. It exists purely as an |
54 | | // implementation detail. This header file may change from version to |
55 | | // version without notice, or even be removed. |
56 | | // |
57 | | // We mean it. |
58 | | // |
59 | | |
60 | | QT_BEGIN_NAMESPACE |
61 | | |
62 | | // internal helper. Converts an integer value to a unique string token |
63 | | template <typename T> |
64 | | struct HexString |
65 | | { |
66 | | inline HexString(const T t) |
67 | 0 | : val(t) |
68 | 0 | {} Unexecuted instantiation: HexString<unsigned int>::HexString(unsigned int) Unexecuted instantiation: HexString<unsigned long long>::HexString(unsigned long long) Unexecuted instantiation: HexString<double>::HexString(double) Unexecuted instantiation: HexString<long long>::HexString(long long) Unexecuted instantiation: HexString<int>::HexString(int) |
69 | | |
70 | | inline void write(QChar *&dest) const |
71 | 0 | { |
72 | 0 | const ushort hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
73 | 0 | const char *c = reinterpret_cast<const char *>(&val); |
74 | 0 | for (uint i = 0; i < sizeof(T); ++i) { |
75 | 0 | *dest++ = hexChars[*c & 0xf]; |
76 | 0 | *dest++ = hexChars[(*c & 0xf0) >> 4]; |
77 | 0 | ++c; |
78 | 0 | } |
79 | 0 | } Unexecuted instantiation: HexString<unsigned long long>::write(QChar*&) const Unexecuted instantiation: HexString<unsigned int>::write(QChar*&) const Unexecuted instantiation: HexString<double>::write(QChar*&) const Unexecuted instantiation: HexString<long long>::write(QChar*&) const Unexecuted instantiation: HexString<int>::write(QChar*&) const |
80 | | const T val; |
81 | | }; |
82 | | |
83 | | // specialization to enable fast concatenating of our string tokens to a string |
84 | | template <typename T> |
85 | | struct QConcatenable<HexString<T> > |
86 | | { |
87 | | typedef HexString<T> type; |
88 | | enum { ExactSize = true }; |
89 | 0 | static int size(const HexString<T> &) { return sizeof(T) * 2; } Unexecuted instantiation: QConcatenable<HexString<unsigned long long> >::size(HexString<unsigned long long> const&) Unexecuted instantiation: QConcatenable<HexString<unsigned int> >::size(HexString<unsigned int> const&) Unexecuted instantiation: QConcatenable<HexString<double> >::size(HexString<double> const&) Unexecuted instantiation: QConcatenable<HexString<long long> >::size(HexString<long long> const&) Unexecuted instantiation: QConcatenable<HexString<int> >::size(HexString<int> const&) |
90 | 0 | static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); } Unexecuted instantiation: QConcatenable<HexString<unsigned long long> >::appendTo(HexString<unsigned long long> const&, QChar*&) Unexecuted instantiation: QConcatenable<HexString<unsigned int> >::appendTo(HexString<unsigned int> const&, QChar*&) Unexecuted instantiation: QConcatenable<HexString<double> >::appendTo(HexString<double> const&, QChar*&) Unexecuted instantiation: QConcatenable<HexString<long long> >::appendTo(HexString<long long> const&, QChar*&) Unexecuted instantiation: QConcatenable<HexString<int> >::appendTo(HexString<int> const&, QChar*&) |
91 | | typedef QString ConvertTo; |
92 | | }; |
93 | | |
94 | | QT_END_NAMESPACE |
95 | | |
96 | | #endif // QHEXSTRING_P_H |