src/plugins/litehtml_viewer/litehtml/iterators.h

   1 #pragma once\r
   2 \r
   3 #include "types.h"\r
   4 \r
   5 namespace litehtml\r
   6 {\r
   7         class element;\r
   8 \r
   9         class iterator_selector\r
  10         {\r
  11         public:\r
  12                 virtual bool select(const element::ptr& el) = 0;\r
  13         };\r
  14 \r
  15         class elements_iterator\r
  16         {\r
  17         private:\r
  18                 struct stack_item\r
  19                 {\r
  20                         int                             idx;\r
  21                         element::ptr    el;\r
  22                         stack_item()\r
  23                         {\r
  24 \r
  25                         }\r
  26                         stack_item(const stack_item& val)\r
  27                         {\r
  28                                 idx = val.idx;\r
  29                                 el = val.el;\r
  30                         }\r
  31                         stack_item(stack_item&& val)\r
  32                         {\r
  33                                 idx = val.idx;\r
  34                                 el = std::move(val.el);\r
  35                         }\r
  36                 };\r
  37 \r
  38                 std::vector<stack_item>         m_stack;\r
  39                 element::ptr                            m_el;\r
  40                 int                                                     m_idx;\r
  41                 iterator_selector*                      m_go_inside;\r
  42                 iterator_selector*                      m_select;\r
  43         public:\r
  44 \r
  45                 elements_iterator(const element::ptr& el, iterator_selector* go_inside, iterator_selector* select)\r
  46                 { \r
  47                         m_el                    = el;\r
  48                         m_idx                   = -1; \r
  49                         m_go_inside             = go_inside;\r
  50                         m_select                = select;\r
  51                 }\r
  52 \r
  53                 ~elements_iterator()\r
  54                 {\r
  55 \r
  56                 }\r
  57 \r
  58                 element::ptr next(bool ret_parent = true);\r
  59         \r
  60         private:\r
  61                 void next_idx();\r
  62         };\r
  63 \r
  64         class go_inside_inline : public iterator_selector\r
  65         {\r
  66         public:\r
  67                 virtual bool select(const element::ptr& el);\r
  68         };\r
  69 \r
  70         class go_inside_table : public iterator_selector\r
  71         {\r
  72         public:\r
  73                 virtual bool select(const element::ptr& el);\r
  74         };\r
  75 \r
  76         class table_rows_selector : public iterator_selector\r
  77         {\r
  78         public:\r
  79                 virtual bool select(const element::ptr& el);\r
  80         };\r
  81 \r
  82         class table_cells_selector : public iterator_selector\r
  83         {\r
  84         public:\r
  85                 virtual bool select(const element::ptr& el);\r
  86         };\r
  87 }\r