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40****************************************************************************/
41
42#ifndef QUUID_H
43#define QUUID_H
44
45#include <QtCore/qstring.h>
46
47QT_BEGIN_HEADER
48
49#if defined(Q_OS_WIN)
50#ifndef GUID_DEFINED
51#define GUID_DEFINED
52typedef struct _GUID
53{
54 ulong Data1;
55 ushort Data2;
56 ushort Data3;
57 uchar Data4[8];
58} GUID, *REFGUID, *LPGUID;
59#endif
60#endif
61
62
63QT_BEGIN_NAMESPACE
64
65QT_MODULE(Core)
66
67struct Q_CORE_EXPORT QUuid
68{
69 enum Variant {
70 VarUnknown =-1,
71 NCS = 0, // 0 - -
72 DCE = 2, // 1 0 -
73 Microsoft = 6, // 1 1 0
74 Reserved = 7 // 1 1 1
75 };
76
77 enum Version {
78 VerUnknown =-1,
79 Time = 1, // 0 0 0 1
80 EmbeddedPOSIX = 2, // 0 0 1 0
81 Name = 3, // 0 0 1 1
82 Random = 4 // 0 1 0 0
83 };
84
85 QUuid()
86 {
87 data1 = 0;
88 data2 = 0;
89 data3 = 0;
90 for(int i = 0; i < 8; i++)
91 data4[i] = 0;
92 }
93 QUuid(uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8)
94 {
95 data1 = l;
96 data2 = w1;
97 data3 = w2;
98 data4[0] = b1;
99 data4[1] = b2;
100 data4[2] = b3;
101 data4[3] = b4;
102 data4[4] = b5;
103 data4[5] = b6;
104 data4[6] = b7;
105 data4[7] = b8;
106 }
107#ifndef QT_NO_QUUID_STRING
108 QUuid(const QString &);
109 QUuid(const char *);
110 QString toString() const;
111 operator QString() const { return toString(); } // ### Qt5 remove
112 QUuid(const QByteArray &);
113 QByteArray toByteArray() const;
114#endif
115 QByteArray toRfc4122() const;
116 static QUuid fromRfc4122(const QByteArray &);
117 bool isNull() const;
118
119 bool operator==(const QUuid &orig) const
120 {
121 uint i;
122 if (data1 != orig.data1 || data2 != orig.data2 ||
123 data3 != orig.data3)
124 return false;
125
126 for(i = 0; i < 8; i++)
127 if (data4[i] != orig.data4[i])
128 return false;
129
130 return true;
131 }
132
133 bool operator!=(const QUuid &orig) const
134 {
135 return !(*this == orig);
136 }
137
138 bool operator<(const QUuid &other) const;
139 bool operator>(const QUuid &other) const;
140
141#if defined(Q_OS_WIN)
142 // On Windows we have a type GUID that is used by the platform API, so we
143 // provide convenience operators to cast from and to this type.
144 QUuid(const GUID &guid)
145 {
146 data1 = guid.Data1;
147 data2 = guid.Data2;
148 data3 = guid.Data3;
149 for(int i = 0; i < 8; i++)
150 data4[i] = guid.Data4[i];
151 }
152
153 QUuid &operator=(const GUID &guid)
154 {
155 *this = QUuid(guid);
156 return *this;
157 }
158
159 operator GUID() const
160 {
161 GUID guid = { data1, data2, data3, { data4[0], data4[1], data4[2], data4[3], data4[4], data4[5], data4[6], data4[7] } };
162 return guid;
163 }
164
165 bool operator==(const GUID &guid) const
166 {
167 return *this == QUuid(guid);
168 }
169
170 bool operator!=(const GUID &guid) const
171 {
172 return !(*this == guid);
173 }
174#endif
175 static QUuid createUuid();
176 QUuid::Variant variant() const;
177 QUuid::Version version() const;
178
179 uint data1;
180 ushort data2;
181 ushort data3;
182 uchar data4[8];
183};
184
185#ifndef QT_NO_DATASTREAM
186Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUuid &);
187Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUuid &);
188#endif
189
190QT_END_NAMESPACE
191
192QT_END_HEADER
193
194#endif // QUUID_H
195