1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// This is mul/mbl/mbl_data_array_wrapper.h
#ifndef mbl_data_array_wrapper_h
#define mbl_data_array_wrapper_h
#ifdef VCL_NEEDS_PRAGMA_INTERFACE
#pragma interface
#endif
//:
// \file
// \author Tim Cootes
// \brief A wrapper to provide access to C-arrays of objects
#include <mbl/mbl_data_wrapper.h>
#include <vcl_vector.h>
//: A wrapper to provide access to C-arrays of objects
template<class T>
class mbl_data_array_wrapper : public mbl_data_wrapper<T>
{
const T* data_;
unsigned long n_;
unsigned long index_;
public:
//: Default constructor
mbl_data_array_wrapper();
//: Constructor
// Sets up object to return n examples beginning at data[0].
// The data must be kept in scope, this does not take a copy.
mbl_data_array_wrapper(const T* data, unsigned long n);
//: Constructor
// Sets up object to wrap a vcl_vector.
// The data must be kept in scope, this does not take a copy.
mbl_data_array_wrapper(const vcl_vector<T > &data);
//: Copy Constructor
// The copy will point to the same data as the original.
// The data must be kept in scope, this does not take a copy.
mbl_data_array_wrapper(const mbl_data_array_wrapper<T > &orig);
//: Initialise to return elements from data[i]
// Sets up object to return n examples beginning at data[0].
// The data must be kept in scope, this does not take a copy.
void set(const T* data, unsigned long n);
//: Default destructor
virtual ~mbl_data_array_wrapper();
//: Number of objects available
virtual unsigned long size() const;
//: Return pointer to start of data array
const T* data() const { return data_; }
//: Reset so that current() returns first object
virtual void reset();
//: Return current object
virtual const T& current();
//: Move to next object, returning true if is valid
virtual bool next();
//: Return current index
// First example has index 0
virtual unsigned long index() const;
//: Move to element n
// First example has index 0
virtual void set_index(unsigned long n);
//: Create copy on heap and return base pointer
virtual mbl_data_wrapper< T >* clone() const;
//: Name of the class
virtual vcl_string is_a() const;
//: True if this is (or is derived from) class named s
virtual bool is_class(vcl_string const& s) const;
};
#endif // mbl_data_array_wrapper_h
|
