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Stream buffer to read from and write to string objects.
Objects of this class maintain internally a sequence of characters that they use as their associated input sequence and/or associated output sequence. The internal sequence can be initialized from a string object, or copied to one, using member str.
Access to the internal sequence of characters is given to streams by means of the interface offered by the virtual members inherited from streambuf that are overriden in this class:
The class also inherits other protected members that are non-virtual or not overridden. See base class streambuf for more details.
Reference
C library:
- <cassert> (assert.h)
- <cctype> (ctype.h)
- <cerrno> (errno.h)
-
<cfenv> (fenv.h)C++11
- <cfloat> (float.h)
-
<cinttypes> (inttypes.h)C++11
- <ciso646> (iso646.h)
- <climits> (limits.h)
- <clocale> (locale.h)
- <cmath> (math.h)
- <csetjmp> (setjmp.h)
- <csignal> (signal.h)
- <cstdarg> (stdarg.h)
-
<cstdbool> (stdbool.h)C++11
- <cstddef> (stddef.h)
-
<cstdint> (stdint.h)C++11
- <cstdio> (stdio.h)
- <cstdlib> (stdlib.h)
- <cstring> (string.h)
-
<ctgmath> (tgmath.h)C++11
- <ctime> (time.h)
-
<cuchar> (uchar.h)C++11
- <cwchar> (wchar.h)
- <cwctype> (wctype.h)
Containers:
-
<array>C++11
- <deque>
-
<forward_list>C++11
- <list>
- <map>
- <queue>
- <set>
- <stack>
-
<unordered_map>C++11
-
<unordered_set>C++11
- <vector>
-
Input/Output:
Multi-threading:
-
<atomic>C++11
-
<condition_variable>C++11
-
<future>C++11
-
<mutex>C++11
-
<thread>C++11
-
Other:
- <algorithm>
- <bitset>
-
<chrono>C++11
-
<codecvt>C++11
- <complex>
- <exception>
- <functional>
-
<initializer_list>C++11
- <iterator>
- <limits>
- <locale>
- <memory>
- <new>
- <numeric>
-
<random>C++11
-
<ratio>C++11
-
<regex>C++11
- <stdexcept>
- <string>
-
<system_error>C++11
-
<tuple>C++11
-
<type_traits>C++11
-
<typeindex>C++11
- <typeinfo>
- <utility>
- <valarray>
stringbuf
- stringbuf::stringbuf
public members
virtual members
class
<sstream>
std::stringbuf
typedef basic_stringbuf<char> stringbuf;
String stream buffer
- streambuf
- stringbuf
Stream buffer to read from and write to string objects.
Objects of this class maintain internally a sequence of characters that they use as their associated input sequence and/or associated output sequence. The internal sequence can be initialized from a string object, or copied to one, using member str.
Access to the internal sequence of characters is given to streams by means of the interface offered by the virtual members inherited from streambuf that are overriden in this class:
Member types
The class declares the following member types:| member type | definition |
|---|---|
| char_type | char |
| traits_type | char_traits<char> |
| allocator_type | allocator<char> |
| int_type | int |
| pos_type | streampos |
| off_type | streamoff |
Public member functions
- (constructor)
- Construct a string stream buffer object (public member function)
- str
- Get/set the string content (public member function)
Public member functions inherited from streambuf
Locales:- pubimbue
- Imbue locale (public member function)
- getloc
- Get current locale (public member function)
- pubsetbuf
- Set buffer array (public member function)
- pubseekoff
- Set internal position pointer to relative position (public member function)
- pubseekpos
- Set internal position pointer to absolute position (public member function)
- pubsync
- Synchronize stream buffer (public member function)
- in_avail
- Get number of characters available to read (public member function)
- snextc
- Advance to next position and get character (public member function)
- sbumpc
- Get current character and advance to next position (public member function)
- sgetc
- Get current character (public member function)
- sgetn
- Get sequence of characters (public member function)
- sputbackc
- Put character back (public member function)
- sungetc
- Decrease current position (public member function)
- sputc
- Store character at current put position and increase put pointer (public member function)
- sputn
- Put sequence of characters (public member function)
Protected virtual function overrides
- setbuf
- Set buffer (protected virtual member function)
- seekoff
- Set position pointer to relative position (protected virtual member function)
- seekpos
- Set position pointer to absolute position (protected virtual member function)
- underflow
- Get character (protected virtual member function)
- pbackfail
- Put character back (protected virtual member function)
- overflow
- Put character (protected virtual member function)
The class also inherits other protected members that are non-virtual or not overridden. See base class streambuf for more details.
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Spotted an error? contact us