MPD  0.20.18
StringBuffer.hxx
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29 
30 #ifndef STRING_BUFFER_HPP
31 #define STRING_BUFFER_HPP
32 
33 #include <array>
34 
38 template<typename T, size_t CAPACITY>
40 public:
41  typedef T value_type;
42  typedef T &reference;
43  typedef T *pointer;
44  typedef const T *const_pointer;
46  typedef size_t size_type;
47 
48  static constexpr value_type SENTINEL = '\0';
49 
50 protected:
51  std::array<value_type, CAPACITY> the_data;
52 
53 public:
54  constexpr size_type capacity() const {
55  return CAPACITY;
56  }
57 
58  constexpr bool empty() const {
59  return front() == SENTINEL;
60  }
61 
62  void clear() {
63  the_data[0] = SENTINEL;
64  }
65 
66  constexpr const_pointer c_str() const {
67  return &the_data.front();
68  }
69 
71  return &the_data.front();
72  }
73 
74  constexpr value_type front() const {
75  return c_str()[0];
76  }
77 
82  return the_data[i];
83  }
84 
89  return the_data[i];
90  }
91 
92  constexpr const_iterator begin() const {
93  return the_data;
94  }
95 
96  constexpr const_iterator end() const {
97  return the_data + capacity();
98  }
99 
100  constexpr operator const_pointer() const {
101  return c_str();
102  }
103 };
104 
105 template<size_t CAPACITY>
106 class StringBuffer : public BasicStringBuffer<char, CAPACITY> {};
107 
108 #endif
constexpr value_type front() const
static constexpr value_type SENTINEL
constexpr const_iterator end() const
value_type operator[](size_type i) const
Returns one character.
reference operator[](size_type i)
Returns one writable character.
constexpr const_pointer c_str() const
constexpr bool empty() const
A statically allocated string buffer.
constexpr const_iterator begin() const
const T * const_pointer
std::array< value_type, CAPACITY > the_data
constexpr size_type capacity() const
const_pointer const_iterator