24 #ifndef __mqtt_buffer_ref_h 25 #define __mqtt_buffer_ref_h 71 using blob = std::basic_string<value_type>;
137 static_assert(
sizeof(
char) ==
sizeof(T),
"can only use C arr with char or byte buffers");
182 static_assert(
sizeof(
char) ==
sizeof(T),
"can only use C arr with char or byte buffers");
183 data_.reset(
new blob(reinterpret_cast<const value_type*>(cstr), strlen(cstr)));
195 template <
typename OT>
197 static_assert(
sizeof(OT) ==
sizeof(T),
"Can only assign buffers if values the same size");
198 data_.reset(
new blob(reinterpret_cast<const value_type*>(rhs.
data()), rhs.
size()));
212 explicit operator bool()
const {
return bool(data_); }
226 bool empty()
const {
return !data_ || data_->empty(); }
236 size_t size()
const {
return data_->size(); }
241 size_t length()
const {
return data_->length(); }
257 const char*
c_str()
const {
return data_->c_str(); }
278 template <
typename T>
279 std::ostream& operator<<(std::ostream& os, const buffer_ref<T>& buf) {
281 os.write(buf.data(), buf.size());
304 #endif // __mqtt_buffer_ref_h buffer_ref(pointer_type &&p)
Definition: buffer_ref.h:123
buffer_ref & operator=(const buffer_ref &rhs)=default
const blob & to_string() const
Definition: buffer_ref.h:251
buffer_ref(blob &&b)
Definition: buffer_ref.h:107
Definition: buffer_ref.h:59
const pointer_type & ptr() const
Definition: buffer_ref.h:262
char value_type
Definition: buffer_ref.h:66
std::basic_string< value_type > blob
Definition: buffer_ref.h:71
buffer_ref & operator=(blob &&b)
Definition: buffer_ref.h:172
size_t size() const
Definition: buffer_ref.h:236
buffer_ref & operator=(const blob &b)
Definition: buffer_ref.h:160
buffer_ref(const blob &b)
Definition: buffer_ref.h:101
bool empty() const
Definition: buffer_ref.h:226
buffer_ref(const value_type *buf, size_t n)
Definition: buffer_ref.h:129
std::shared_ptr< const blob > pointer_type
Definition: buffer_ref.h:76
buffer_ref(const char *buf)
Definition: buffer_ref.h:135
buffer_ref & operator=(const char *cstr)
Definition: buffer_ref.h:181
void reset()
Definition: buffer_ref.h:204
const char * c_str() const
Definition: buffer_ref.h:257
Definition: async_client.h:49
const value_type & operator[](size_t i) const
Definition: buffer_ref.h:268
const value_type * data() const
Definition: buffer_ref.h:231
size_t length() const
Definition: buffer_ref.h:241
bool is_null() const
Definition: buffer_ref.h:220
buffer_ref(const pointer_type &p)
Definition: buffer_ref.h:115
buffer_ref & operator=(const buffer_ref< OT > &rhs)
Definition: buffer_ref.h:196
const blob & str() const
Definition: buffer_ref.h:246