1 /** 2 * @file comma_list.h 3 * Container holding items from a list of comma separated items 4 * 5 * @remark Copyright 2003 OProfile authors 6 * @remark Read the file COPYING 7 * 8 * @author Philippe Elie 9 */ 10 11 #ifndef COMMA_LIST_H 12 #define COMMA_LIST_H 13 14 #include <string> 15 #include <vector> 16 17 #include "string_manip.h" 18 19 /** 20 * hold a list of item of type T, tracking also if item has been set. 21 */ 22 template <class T> 23 class comma_list 24 { 25 public: 26 comma_list(); 27 28 /** 29 * @param str list of comma separated item 30 * 31 * setup items array according to str parameters. Implement PP:3.17 32 * w/o restriction on charset and with the special string all which 33 * match anything. 34 */ 35 void set(std::string const & str); 36 37 /// return true if a specific value is held by this container is_set()38 bool is_set() const { 39 return !is_all; 40 } 41 42 /** 43 * @param value the value to test 44 * 45 * return true if value match one the stored value in items 46 */ 47 bool match(T const & value) const; 48 49 private: 50 typedef T value_type; 51 typedef std::vector<value_type> container_type; 52 typedef typename container_type::const_iterator const_iterator; 53 bool is_all; 54 container_type items; 55 }; 56 57 58 template <class T> comma_list()59comma_list<T>::comma_list() 60 : is_all(true) 61 { 62 } 63 64 65 template <class T> set(std::string const & str)66void comma_list<T>::set(std::string const & str) 67 { 68 items.clear(); 69 70 is_all = false; 71 72 std::vector<std::string> result = separate_token(str, ','); 73 for (size_t i = 0 ; i < result.size() ; ++i) { 74 if (result[i] == "all") { 75 is_all = true; 76 items.clear(); 77 break; 78 } 79 items.push_back(op_lexical_cast<T>(result[i])); 80 } 81 } 82 83 84 template <class T> match(T const & value)85bool comma_list<T>::match(T const & value) const 86 { 87 if (is_all) 88 return true; 89 90 const_iterator cit = items.begin(); 91 const_iterator const end = items.end(); 92 93 for (; cit != end; ++cit) { 94 if (value == *cit) 95 return true; 96 } 97 98 return false; 99 } 100 101 102 #endif /* !COMMA_LIST_H */ 103