1 ///////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/arrimpl.cpp
3 // Purpose:     helper file for implementation of dynamic lists
4 // Author:      Vadim Zeitlin
5 // Modified by:
6 // Created:     16.10.97
7 // RCS-ID:      $Id: arrimpl.cpp 34241 2005-05-22 12:10:55Z JS $
8 // Copyright:   (c) 1997 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9 // Licence:     wxWindows license
10 ///////////////////////////////////////////////////////////////////////////////
11 
12 /*****************************************************************************
13  * Purpose: implements methods of "template" class declared in               *
14  *          DECLARE_OBJARRAY macro and which couldn't be implemented inline  *
15  *          (because they need the full definition of type T in scope)       *
16  *                                                                           *
17  * Usage:   1) #include dynarray.h                                           *
18  *          2) WX_DECLARE_OBJARRAY                                           *
19  *          3) #include arrimpl.cpp                                          *
20  *          4) WX_DEFINE_OBJARRAY                                            *
21  *****************************************************************************/
22 
23 // needed to resolve the conflict between global T and macro parameter T
24 
25 #define _WX_ERROR_REMOVE2(x)     wxT("bad index in ") wxT(#x) wxT("::RemoveAt()")
26 
27 // macro implements remaining (not inline) methods of template list
28 // (it's private to this file)
29 #undef  _DEFINE_OBJARRAY
30 #define _DEFINE_OBJARRAY(T, name)                                             \
31 name::~name()                                                                 \
32 {                                                                             \
33   Empty();                                                                    \
34 }                                                                             \
35                                                                               \
36 void name::DoCopy(const name& src)                                            \
37 {                                                                             \
38   for ( size_t ui = 0; ui < src.size(); ui++ )                                \
39     Add(src[ui]);                                                             \
40 }                                                                             \
41                                                                               \
42 name& name::operator=(const name& src)                                        \
43 {                                                                             \
44   Empty();                                                                    \
45   DoCopy(src);                                                                \
46                                                                               \
47   return *this;                                                               \
48 }                                                                             \
49                                                                               \
50 name::name(const name& src) : wxArrayPtrVoid()                                \
51 {                                                                             \
52   DoCopy(src);                                                                \
53 }                                                                             \
54                                                                               \
55 void name::DoEmpty()                                                          \
56 {                                                                             \
57   for ( size_t ui = 0; ui < size(); ui++ )                                    \
58     delete (T*)base_array::operator[](ui);                                    \
59 }                                                                             \
60                                                                               \
61 void name::RemoveAt(size_t uiIndex, size_t nRemove)                           \
62 {                                                                             \
63   wxCHECK_RET( uiIndex < size(), _WX_ERROR_REMOVE2(name) );                   \
64                                                                               \
65   for (size_t i = 0; i < nRemove; i++ )                                       \
66     delete (T*)base_array::operator[](uiIndex + i);                           \
67                                                                               \
68   base_array::erase(begin() + uiIndex, begin() + uiIndex + nRemove);          \
69 }                                                                             \
70                                                                               \
71 void name::Add(const T& item, size_t nInsert)                                 \
72 {                                                                             \
73   if (nInsert == 0)                                                           \
74     return;                                                                   \
75   T* pItem = new T(item);                                                     \
76   size_t nOldSize = size();                                                   \
77   if ( pItem != NULL )                                                        \
78     base_array::insert(end(), nInsert, pItem);                                \
79   for (size_t i = 1; i < nInsert; i++)                                        \
80     base_array::operator[](nOldSize + i) = new T(item);                       \
81 }                                                                             \
82                                                                               \
83 void name::Insert(const T& item, size_t uiIndex, size_t nInsert)              \
84 {                                                                             \
85   if (nInsert == 0)                                                           \
86     return;                                                                   \
87   T* pItem = new T(item);                                                     \
88   if ( pItem != NULL )                                                        \
89     base_array::insert(begin() + uiIndex, nInsert, pItem);                    \
90   for (size_t i = 1; i < nInsert; i++)                                        \
91     base_array::operator[](uiIndex + i) = new T(item);                        \
92 }                                                                             \
93                                                                               \
94 int name::Index(const T& Item, bool bFromEnd) const                           \
95 {                                                                             \
96   if ( bFromEnd ) {                                                           \
97     if ( size() > 0 ) {                                                       \
98       size_t ui = size() - 1;                                                 \
99       do {                                                                    \
100         if ( (T*)base_array::operator[](ui) == &Item )                        \
101           return wx_static_cast(int, ui);                                     \
102         ui--;                                                                 \
103       }                                                                       \
104       while ( ui != 0 );                                                      \
105     }                                                                         \
106   }                                                                           \
107   else {                                                                      \
108     for( size_t ui = 0; ui < size(); ui++ ) {                                 \
109       if( (T*)base_array::operator[](ui) == &Item )                           \
110         return wx_static_cast(int, ui);                                       \
111     }                                                                         \
112   }                                                                           \
113                                                                               \
114   return wxNOT_FOUND;                                                         \
115 }
116 
117 // redefine the macro so that now it will generate the class implementation
118 // old value would provoke a compile-time error if this file is not included
119 #undef  WX_DEFINE_OBJARRAY
120 #define WX_DEFINE_OBJARRAY(name) _DEFINE_OBJARRAY(_wxObjArray##name, name)
121