1 /* 2 * Copyright 2003 Marcus Overhagen 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _MEDIA_RT_LIST_H 6 #define _MEDIA_RT_LIST_H 7 8 9 /*! A simple list template that uses realtime 10 memory and does no error checking. Since 11 it doesn't call constructors or destructors, 12 don't use it to store objects. 13 14 // TODO: no error checking? Great. 15 */ 16 17 18 #include <RealtimeAlloc.h> 19 20 21 template<class value> class RtList { 22 public: 23 RtList() 24 : 25 item_max(INIT_COUNT), 26 item_count(0), 27 items((value*)rtm_alloc(NULL, sizeof(value) * INIT_COUNT)) 28 { 29 } 30 31 ~RtList() 32 { 33 rtm_free(items); 34 } 35 36 value* Create() 37 { 38 if (item_count == item_max) { 39 item_max += INC_COUNT; 40 rtm_realloc((void**)&items, sizeof(value) * item_max); 41 } 42 return &items[item_count++]; 43 } 44 45 value* ItemAt(int index) 46 { 47 return &items[index]; 48 } 49 50 int CountItems() 51 { 52 return item_count; 53 } 54 55 void MakeEmpty() 56 { 57 item_count = 0; 58 } 59 60 private: 61 RtList(const RtList<value>& other); 62 RtList<value> &operator=(const RtList<value>& other); 63 64 private: 65 enum { INIT_COUNT = 8, INC_COUNT = 16 }; 66 67 int item_max; 68 int item_count; 69 value* items; 70 }; 71 72 #endif // _MEDIA_RT_LIST_H 73