valmap.h 3.27 KB
Newer Older
thomas.forbriger's avatar
thomas.forbriger committed
1
2
3
4
5
/*! \file valmap.h
 * \brief map element values (prototypes)
 * 
 * ----------------------------------------------------------------------------
 * 
thomas.forbriger's avatar
thomas.forbriger committed
6
 * $Id: valmap.h,v 1.6 2006-03-28 16:03:05 tforb Exp $
thomas.forbriger's avatar
thomas.forbriger committed
7
8
9
10
 * \author Thomas Forbriger
 * \date 20/03/2005
 * 
 * map element values (prototypes)
thomas.forbriger's avatar
thomas.forbriger committed
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 *
 * ----
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version. 
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * ----
thomas.forbriger's avatar
thomas.forbriger committed
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 * 
 * Copyright (c) 2005 by Thomas Forbriger (BFO Schiltach) 
 * 
 * REVISIONS and CHANGES 
 *  - 20/03/2005   V1.0   Thomas Forbriger
 * 
 * ============================================================================
 */

// include guard
#ifndef AFF_VALMAP_H_VERSION

#define AFF_VALMAP_H_VERSION \
  "AFF_VALMAP_H   V1.0   "
#define AFF_VALMAP_H_CVSID \
thomas.forbriger's avatar
thomas.forbriger committed
42
  "$Id: valmap.h,v 1.6 2006-03-28 16:03:05 tforb Exp $"
thomas.forbriger's avatar
thomas.forbriger committed
43

thomas.forbriger's avatar
thomas.forbriger committed
44
45
#include<aff/lib/mapper.h>
#include<map>
thomas.forbriger's avatar
thomas.forbriger committed
46

thomas.forbriger's avatar
thomas.forbriger committed
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
namespace aff {

  namespace func {

    namespace util {

      /*! Utility class to map values using a std::map
       *
       * This class should be used together with the
       * aff::func::util::mapvalues() function template.
       *
       * \param T1 source value type
       * \param T2 target value type
       */
      template<class T1, class T2>
        class Mapvalmap {
          public:
            typedef T1 Tinvalue;
            typedef T2 Toutvalue;
            typedef std::map<Tinvalue,Toutvalue> Tmap;
            //! initialize member data
            Mapvalmap(const Tmap& m): Mmap(m) { }
            //! map another value
thomas.forbriger's avatar
thomas.forbriger committed
70
            Toutvalue operator() (Tinvalue v) const { return(Mmap[v]); }
thomas.forbriger's avatar
thomas.forbriger committed
71
          private:
thomas.forbriger's avatar
thomas.forbriger committed
72
            mutable Tmap Mmap;
thomas.forbriger's avatar
thomas.forbriger committed
73
74
75
76
77
78
79
80
81
82
        }; // class Mapvalmap
      
    } // namespace util

/*----------------------------------------------------------------------*/

    /*! Function template to map container contents to values of a different
     *  type
     *
     * \param C any container class like aff::Array
thomas.forbriger's avatar
thomas.forbriger committed
83
     * \param M a std::map that defines source and target type
thomas.forbriger's avatar
thomas.forbriger committed
84
85
86
87
88
89
     *
     * \param c any container of values to be mapped
     * \return container of same shape as c but with mapped values
     *
     * \sa aff::func::util::mapvaues, aff::func::util::Mapvalmap
     */
thomas.forbriger's avatar
thomas.forbriger committed
90
    template<template <class> class C, class M>
thomas.forbriger's avatar
thomas.forbriger committed
91
92
93
      C<typename M::mapped_type> 
        valmap(const typename C<typename M::key_type>::Tcoc& c, 
               const M& m)
thomas.forbriger's avatar
thomas.forbriger committed
94
      {
thomas.forbriger's avatar
thomas.forbriger committed
95
96
97
98
        typedef typename M::key_type Tinvalue;
        typedef typename M::mapped_type Toutvalue;
        return(aff::func::util::mapvalues<C,
               util::Mapvalmap<Tinvalue,Toutvalue> >(c,m));
thomas.forbriger's avatar
thomas.forbriger committed
99
      } // valmap()
thomas.forbriger's avatar
thomas.forbriger committed
100
101
102
103

  } // namespace func

} // namespace aff
thomas.forbriger's avatar
thomas.forbriger committed
104
105
106
107

#endif // AFF_VALMAP_H_VERSION (includeguard)

/* ----- END OF valmap.h ----- */