|
1 /* |
|
2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef DESERIALISER_H |
|
20 #define DESERIALISER_H |
|
21 |
|
22 #include <iostream> |
|
23 #include <stdexcept> |
|
24 #include <istream> |
|
25 #include <vector> |
|
26 #include "serialisable.h" |
|
27 #include "cardinality.h" |
|
28 #include "ucmp.h" |
|
29 |
|
30 #pragma warning (disable: 4800) |
|
31 |
|
32 |
|
33 /** |
|
34 * @file DESERIALISER.H |
|
35 * |
|
36 * @internalComponent |
|
37 * @released |
|
38 */ |
|
39 class Deserialiser |
|
40 { |
|
41 public: |
|
42 Deserialiser(std::istream& stream) : iStream(stream) |
|
43 {} |
|
44 |
|
45 Deserialiser& operator>>(Serialisable& val) |
|
46 { |
|
47 val.Internalize(*this); |
|
48 return *this; |
|
49 } |
|
50 |
|
51 // integer types |
|
52 Deserialiser& operator>>(TInt64& val) |
|
53 { iStream.read(reinterpret_cast<char*>(&val),8); return *this; } |
|
54 |
|
55 Deserialiser& operator>>(TInt& val) |
|
56 { iStream.read((char*)&val,4); return *this; } |
|
57 |
|
58 Deserialiser& operator>>(TInt16& val) |
|
59 { iStream.read((char*)&val,2); return *this; } |
|
60 |
|
61 Deserialiser& operator>>(TInt8& val) |
|
62 { iStream.read((char*)&val,1) ; return *this; } |
|
63 |
|
64 Deserialiser& operator>>(TUint64& val) |
|
65 { iStream.read(reinterpret_cast<char*>(&val),8); return *this; } |
|
66 |
|
67 Deserialiser& operator>>(TUint32& val) |
|
68 { iStream.read((char*)&val,4); return *this; } |
|
69 |
|
70 Deserialiser& operator>>(TUint16& val) |
|
71 { iStream.read((char*)&val,2); return *this; } |
|
72 |
|
73 Deserialiser& operator>>(TUint8& val) |
|
74 {iStream.read((char*)&val,1); return *this; } |
|
75 |
|
76 Deserialiser& operator>>(bool& val) |
|
77 { |
|
78 TUint32 x = 0; |
|
79 iStream.read((char*)&x,4); |
|
80 val = (bool)x; |
|
81 return *this; |
|
82 } |
|
83 |
|
84 |
|
85 template <class T> |
|
86 Deserialiser& operator>>(std::vector<T>& val) |
|
87 { |
|
88 TUint32 size = 0; |
|
89 *this >> size; |
|
90 val.resize(size); |
|
91 for (TUint32 i = 0; i < size ; ++i) |
|
92 { |
|
93 *this >> val[i]; |
|
94 } |
|
95 return *this; |
|
96 } |
|
97 |
|
98 #ifndef _MSC_VER |
|
99 |
|
100 template <class T> |
|
101 Deserialiser& operator>>(std::vector<T*>& val) |
|
102 { |
|
103 TUint32 size = 0; |
|
104 *this >> size; |
|
105 val.resize(size); |
|
106 for (TUint32 i = 0; i < size ; ++i) |
|
107 { |
|
108 val[i] = new T; |
|
109 *this >> *val[i]; |
|
110 } |
|
111 return *this; |
|
112 } |
|
113 |
|
114 #endif |
|
115 |
|
116 Deserialiser& operator>>(std::string& val) |
|
117 { |
|
118 |
|
119 Cardinality card; |
|
120 *this >> card; |
|
121 TUint32 size = card; |
|
122 |
|
123 char* buff = 0; |
|
124 if (size & 0x01) |
|
125 { |
|
126 // 8-bit |
|
127 size = size >> 1; |
|
128 buff = new char[(int)size]; |
|
129 iStream.read(buff, size); |
|
130 } |
|
131 else |
|
132 { |
|
133 throw std::runtime_error("Decoding unicode into std::string"); |
|
134 } |
|
135 val.assign(buff, size); |
|
136 delete buff; |
|
137 return *this; |
|
138 } |
|
139 |
|
140 Deserialiser& operator>>(std::wstring& val) |
|
141 { |
|
142 |
|
143 Cardinality card; |
|
144 *this >> card; |
|
145 TUint32 size = card; |
|
146 |
|
147 wchar_t* buff = 0; |
|
148 if (size & 0x01) |
|
149 { |
|
150 throw std::runtime_error("Decoding 8bit text into std::wstring"); |
|
151 } |
|
152 else |
|
153 { |
|
154 size = size >> 1; |
|
155 buff = new wchar_t[(int)size]; |
|
156 TUnicodeExpander exp; |
|
157 TMemoryUnicodeSink sink((TUint16*)buff); |
|
158 exp.ExpandL(sink, *this ,size); |
|
159 } |
|
160 val.assign(buff, size); |
|
161 delete buff; |
|
162 return *this; |
|
163 } |
|
164 |
|
165 void read(TUint8* aDst, TUint32 aCount) |
|
166 { |
|
167 iStream.read((char*)aDst, aCount); |
|
168 } |
|
169 |
|
170 |
|
171 private: |
|
172 std::istream& iStream; |
|
173 }; |
|
174 |
|
175 #endif /* DESERIALISER_H */ |