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39 | |
40 | #ifndef QQMLPROPERTYINDEX_P_H |
41 | #define QQMLPROPERTYINDEX_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <private/qglobal_p.h> |
55 | |
56 | QT_BEGIN_NAMESPACE |
57 | |
58 | class QQmlPropertyIndex |
59 | { |
60 | qint32 index; |
61 | |
62 | public: |
63 | QQmlPropertyIndex() |
64 | { index = -1; } |
65 | |
66 | static QQmlPropertyIndex fromEncoded(qint32 encodedIndex) |
67 | { |
68 | QQmlPropertyIndex idx; |
69 | idx.index = encodedIndex; |
70 | return idx; |
71 | } |
72 | |
73 | explicit QQmlPropertyIndex(int coreIndex) |
74 | { index = encode(coreIndex, valueTypeIndex: -1); } |
75 | |
76 | explicit QQmlPropertyIndex(int coreIndex, int valueTypeIndex) |
77 | : index(encode(coreIndex, valueTypeIndex)) |
78 | {} |
79 | |
80 | bool isValid() const |
81 | { return index != -1; } |
82 | |
83 | int coreIndex() const |
84 | { |
85 | if (index == -1) |
86 | return -1; |
87 | return index & 0xffff; |
88 | } |
89 | |
90 | int valueTypeIndex() const |
91 | { |
92 | if (index == -1) |
93 | return -1; |
94 | return (index >> 16) - 1; |
95 | } |
96 | |
97 | bool hasValueTypeIndex() const |
98 | { |
99 | if (index == -1) |
100 | return false; |
101 | return index >> 16; |
102 | } |
103 | |
104 | qint32 toEncoded() const |
105 | { return index; } |
106 | |
107 | int intValue() const |
108 | { return index; } |
109 | |
110 | bool operator==(const QQmlPropertyIndex &other) const |
111 | { return index == other.index; } |
112 | |
113 | bool operator!=(const QQmlPropertyIndex &other) const |
114 | { return !operator==(other); } |
115 | |
116 | private: |
117 | static qint32 encode(int coreIndex, int valueTypeIndex) |
118 | { |
119 | Q_ASSERT(coreIndex >= -1); |
120 | Q_ASSERT(coreIndex <= 0xffff); |
121 | Q_ASSERT(valueTypeIndex >= -1); |
122 | Q_ASSERT(valueTypeIndex < 0xffff); |
123 | |
124 | if (coreIndex == -1) |
125 | return -1; |
126 | else |
127 | return coreIndex | ((valueTypeIndex + 1) << 16); |
128 | } |
129 | }; |
130 | |
131 | QT_END_NAMESPACE |
132 | |
133 | #endif // QQMLPROPERTYINDEX_P_H |
134 | |