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-rw-r--r--src/stable/archive.h216
1 files changed, 108 insertions, 108 deletions
diff --git a/src/stable/archive.h b/src/stable/archive.h
index 9716bb1..f98402d 100644
--- a/src/stable/archive.h
+++ b/src/stable/archive.h
@@ -16,123 +16,123 @@
16 16
17namespace Bu 17namespace Bu
18{ 18{
19 class Archival; 19 class Archival;
20 class Stream; 20 class Stream;
21 21
22 /** 22 /**
23 * Provides a framework for serialization of objects and primitives. The 23 * Provides a framework for serialization of objects and primitives. The
24 * archive will handle any basic primitive, a few special types, like char * 24 * archive will handle any basic primitive, a few special types, like char *
25 * strings, as well as STL classes and anything that inherits from the 25 * strings, as well as STL classes and anything that inherits from the
26 * Archival class. Each Archive operates on a Stream, so you can send the 26 * Archival class. Each Archive operates on a Stream, so you can send the
27 * data using an Archive almost anywhere. 27 * data using an Archive almost anywhere.
28 * 28 *
29 * In order to use an Archive to store something to a file, try something 29 * In order to use an Archive to store something to a file, try something
30 * like: 30 * like:
31 *@code 31 *@code
32 * File sOut("output", "wb"); // This is a stream subclass 32 * File sOut("output", "wb"); // This is a stream subclass
33 * Archive ar( sOut, Archive::save ); 33 * Archive ar( sOut, Archive::save );
34 * ar << myClass; 34 * ar << myClass;
35 @endcode 35 @endcode
36 * In this example myClass is any class that inherits from Archival. When 36 * In this example myClass is any class that inherits from Archival. When
37 * the storage operator is called, the Archival::archive() function in the 37 * the storage operator is called, the Archival::archive() function in the
38 * myClass object is called with a reference to the Archive. This can be 38 * myClass object is called with a reference to the Archive. This can be
39 * handled in one of two ways: 39 * handled in one of two ways:
40 *@code 40 *@code
41 * void MyClass::archive( Archive &ar ) 41 * void MyClass::archive( Archive &ar )
42 * { 42 * {
43 * ar && sName && nAge && sJob; 43 * ar && sName && nAge && sJob;
44 * } 44 * }
45 @endcode 45 @endcode
46 * Here we don't worry about weather we're loading or saving by using the 46 * Here we don't worry about weather we're loading or saving by using the
47 * smart && operator. This allows us to write very consistent, very simple 47 * smart && operator. This allows us to write very consistent, very simple
48 * archive functions that really do a lot of work. If we wanted to do 48 * archive functions that really do a lot of work. If we wanted to do
49 * something different in the case of loading or saving we would do: 49 * something different in the case of loading or saving we would do:
50 *@code 50 *@code
51 * void MyClass::archive( Archive &ar ) 51 * void MyClass::archive( Archive &ar )
52 * { 52 * {
53 * if( ar.isLoading() ) 53 * if( ar.isLoading() )
54 * { 54 * {
55 * ar >> sName >> nAge >> sJob; 55 * ar >> sName >> nAge >> sJob;
56 * } else 56 * } else
57 * { 57 * {
58 * ar << sName << nAge << sJob; 58 * ar << sName << nAge << sJob;
59 * } 59 * }
60 * } 60 * }
61 @endcode 61 @endcode
62 * Archive currently does not provide facility to make fully portable 62 * Archive currently does not provide facility to make fully portable
63 * archives. For example, it will not convert between endianness for you, 63 * archives. For example, it will not convert between endianness for you,
64 * nor will it take into account differences between primitive sizes on 64 * nor will it take into account differences between primitive sizes on
65 * different platforms. This, at the moment, is up to the user to ensure. 65 * different platforms. This, at the moment, is up to the user to ensure.
66 * One way of dealing with the latter problem is to make sure and use 66 * One way of dealing with the latter problem is to make sure and use
67 * explicit primitive types from the stdint.h header, i.e. int32_t. 67 * explicit primitive types from the stdint.h header, i.e. int32_t.
68 */ 68 */
69 class Archive : public ArchiveBase 69 class Archive : public ArchiveBase
70 { 70 {
71 private: 71 private:
72 bool bLoading; 72 bool bLoading;
73 public: 73 public:
74 bool isLoading(); 74 bool isLoading();
75 75
76 enum 76 enum
77 { 77 {
78 load = true, 78 load = true,
79 save = false 79 save = false
80 }; 80 };
81 81
82 Archive( Stream &rStream, bool bLoading ); 82 Archive( Stream &rStream, bool bLoading );
83 virtual ~Archive(); 83 virtual ~Archive();
84 virtual void close(); 84 virtual void close();
85 85
86 virtual void write( const void *pData, size_t iSize ); 86 virtual void write( const void *pData, size_t iSize );
87 virtual void read( void *pData, size_t iSize ); 87 virtual void read( void *pData, size_t iSize );
88 88
89 /** 89 /**
90 * For storage, get an ID for the pointer to the object you're going to 90 * For storage, get an ID for the pointer to the object you're going to
91 * write. 91 * write.
92 */ 92 */
93 uint32_t getID( const void *ptr ); 93 uint32_t getID( const void *ptr );
94 94
95 /** 95 /**
96 * For loading. Assosiates an empty pointer with an id. When you wind 96 * For loading. Assosiates an empty pointer with an id. When you wind
97 * up loading an id reference to a pointer for an object that may or 97 * up loading an id reference to a pointer for an object that may or
98 * may not have loaded yet, call this with the id, if it has been loaded 98 * may not have loaded yet, call this with the id, if it has been loaded
99 * already, you'll immediately get a pointer, if not, it will write one 99 * already, you'll immediately get a pointer, if not, it will write one
100 * for you when the time comes. 100 * for you when the time comes.
101 */ 101 */
102 void assocPtrID( void **ptr, uint32_t id ); 102 void assocPtrID( void **ptr, uint32_t id );
103 103
104 /** 104 /**
105 * For loading. Call this when you load an object that other things may 105 * For loading. Call this when you load an object that other things may
106 * have pointers to. It will assosiate every pointer that's been 106 * have pointers to. It will assosiate every pointer that's been
107 * registered with assocPtrID to the pointer passed in, and id passed 107 * registered with assocPtrID to the pointer passed in, and id passed
108 * in. It will also set things up so future calls to assocPtrID will 108 * in. It will also set things up so future calls to assocPtrID will
109 * automatically succeed immediately. 109 * automatically succeed immediately.
110 */ 110 */
111 void readID( const void *ptr, uint32_t id ); 111 void readID( const void *ptr, uint32_t id );
112 112
113 template<typename t> 113 template<typename t>
114 void setProp( const Bu::String &sId, const t &val ) 114 void setProp( const Bu::String &sId, const t &val )
115 { 115 {
116 if( !hProps.has( sId ) ) 116 if( !hProps.has( sId ) )
117 { 117 {
118 hProps.insert( sId, Variant() ); 118 hProps.insert( sId, Variant() );
119 } 119 }
120 hProps.get( sId ) = val; 120 hProps.get( sId ) = val;
121 } 121 }
122 122
123 template<typename t> 123 template<typename t>
124 t getProp( const Bu::String &sId ) 124 t getProp( const Bu::String &sId )
125 { 125 {
126 return hProps.get( sId ); 126 return hProps.get( sId );
127 } 127 }
128 128
129 private: 129 private:
130 Stream &rStream; 130 Stream &rStream;
131 uint32_t nNextID; 131 uint32_t nNextID;
132 Hash<uint32_t,uint32_t> hPtrID; 132 Hash<uint32_t,uint32_t> hPtrID;
133 Hash<uint32_t,List<void **> > hPtrDest; 133 Hash<uint32_t,List<void **> > hPtrDest;
134 Hash<Bu::String, Variant> hProps; 134 Hash<Bu::String, Variant> hProps;
135 }; 135 };
136} 136}
137 137
138#endif 138#endif
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