iterator.txt

   1 \81\84[FrontPage]\81\84[\83\8a\83t\83@\83\8c\83\93\83X]
   2
   3 = Roast+ \83C\83e\83\8c\81[\83^
   4
   5 Roast+\82Å\82Ì\83C\83e\83\8c\81[\83^\82Í\81ASTL\93\99\82Ì\82»\82ê\82Æ\82Í\88Ù\82È\82è\82Ü\82·\81B
   6
   7 {{{ comment
   8
   9 STL\82â\81A\82»\82ê\82É\8f\87\82¸\82é\8c`\82Å\8dì\90¬\82³\82ê\82Ä\82¢\82é
  10 }}}
  11
  12 === \8dÅ\92á\8cÀ\96\9e\82½\82·\82×\82«\97v\8c\8f
  13
  14 {{{ code cpp
  15         template <typename ValueType, typename IndexType>
  16         class iterator_require
  17         {
  18         public:
  19                 //      Next (Like iterator ++)
  20                 void next();
  21
  22                 //      Iterator pointer iValid?
  23                 bool is_valid();
  24
  25                 //      Value
  26                 operator const ValueType() const ;
  27                 ValueType& operator *();
  28                 ValueType& operator ->();
  29                 ValueType get_value();
  30
  31                 //      Index operations
  32                 void set_index(const IndexType& index);
  33                 IndexType get_index() const;
  34
  35                 //      Change the end pointer
  36                 void change_end(const IndexType& index);
  37         };
  38 }}}
  39 defined by [http://sourceforge.jp/projects/roast/svn/view/trunk/roast/include/roast/container/iterator_require.hpp?view=markup&root=roast roast/include/roast/container/iterator_require.hpp]
  40
  41  * ValueType\81\81\92l\82Ì\8c^
  42  * IndexType\81\81\83C\83\93\83f\83b\83N\83X\82Ì\8c^
  43
  44 \82Å\82 \82é\81B\94C\88Ó\82Ì\8c^\82Å\82æ\82¢\81B
  45 \82Ü\82½\81A\83R\83\93\83X\83g\83\89\83N\83^\81E\83f\83X\83g\83\89\83N\83^\82à\94C\88Ó\82É\92è\8b`\82µ\82Ä\82æ\82¢\81B
  46
  47 \82±\82Ì\83N\83\89\83X\82ð\8cp\8f³\82µ\81A\83I\81[\83o\81[\83\8d\81[\83h\82·\82é\8e\96\82à\8fo\97\88\82é\82ª\81A\8f\83\90\88\89¼\91z\8aÖ\90\94\82Å\82Í\82È\82¢\81i\89¼\91z\8aÖ\90\94\81A\8by\82Ñ\8f\83\90\88\89¼\91z\8aÖ\90\94\82ð\8eg\97p\82·\82é\82Æ\97]\95ª\82È\83I\81[\83o\81[\83w\83b\83h\82ª\95K\91R\93I\82É\94\90¶\82µ\82Ä\82µ\82Ü\82¤\82½\82ß\81j\82½\82ß\92\8d\88Ó\82·\82é\82±\82Æ\81B
  48
  49 {{{ comment
  50 \96¢\92è\8b`\82Ì\8fê\8d\87\82Å\82 \82Á\82Ä\82à\83C\83\93\83X\83^\83\93\83X\89»\82·\82é\8e\96\82ª\8fo\97\88\82Ä\82µ\82Ü\82¤\82Ì\82Å
  51 }}}
  52
  53 === \83T\83\93\83v\83\8b
  54
  55 {{{ code cpp
  56
  57         template <typename T, unsigned int _END=0, unsigned int _START=0>
  58         class sample_iterator
  59         {
  60         protected:
  61                 T* m_p_array;
  62                 unsigned int m_index;
  63                 unsigned int m_end;
  64
  65         public:
  66                 //////////////////////////////////////////
  67
  68                 //      Constructors
  69                 primitive_array_iterator(T* p_array=NULL, unsigned int length=_END){
  70                         m_p_array = p_array;
  71                         m_index = _START;
  72                         m_end = length;
  73                 }
  74                 primitive_array_iterator(T* p_array, unsigned int start, unsigned int end){
  75                         m_p_array = p_array;
  76                         m_index = start;
  77                         m_end = end;
  78                 }
  79
  80                 //////////////////////////////////////////
  81
  82                 //      Next
  83                 void next()
  84                 {
  85                         m_index++;
  86                 }
  87
  88                 //      IsValid?
  89                 bool is_valid()
  90                 {
  91                         return m_index < m_end;
  92                 }
  93
  94                 //////////////////////////////////////////
  95
  96                 operator const T() const
  97                 {
  98                         return m_p_array[m_index];
  99                 }
 100
 101                 T& operator *()
 102                 {
 103                         return m_p_array[m_index];
 104                 }
 105
 106                 T& operator ->()
 107                 {
 108                         return m_p_array[m_index];
 109                 }
 110                 T get_value() const { return m_p_array[m_index]; }
 111
 112                 void set_index(unsigned int index) { m_index = index; }
 113                 unsigned int get_index() const { return m_index; }
 114
 115                 void change_end(unsigned int index) { m_end = index; }
 116         };
 117 }}}
 118
 119 sample by [http://sourceforge.jp/projects/roast/svn/view/trunk/roast/include/roast/container/primitive_array_iterator.hpp?view=markup&root=roast roast/include/roast/container/primitive_array_iterator.hpp]
 120
 121 === \8aî\96{\93I\82È\83C\83e\83\8c\81[\83^
 122  * [\8aî\96{\93I\82È\83C\83e\83\8c\81[\83^]