std::basic_istringstream::basic_istringstream

From Cppreference

C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++11) Atomic operations library (C++11) Thread support library (C++11)
Input/output library
I/O manipulators C-style I/O Buffers basic_streambuf basic_filebuf basic_stringbuf strstreambuf (deprecated) Streams Abstractions ios_base basic_ios basic_istream basic_ostream basic_iostream File I/O basic_ifstream basic_ofstream basic_fstream String I/O basic_istringstream basic_ostringstream basic_stringstream Array I/O istrstream (deprecated) ostrstream (deprecated) strstream (deprecated) Types streamoff streamsize fpos Error category interface iostream_category (C++11) io_errc (C++11)
std::basic_istringstream
Member functions basic_istringstream::basic_istringstream basic_istringstream::operator= basic_istringstream::swap basic_istringstream::rdbuf String operations basic_istringstream::str

basic_istringstream( ios_base::openmode mode = ios_base::in );	(1)
basic_istringstream( const std::basic_string<CharT,Traits,Allocator>& str,                      ios_base::openmode mode = ios_base::in );	(2)	(since C++11)
basic_istringstream( basic_istringstream&& other );	(3)	(since C++11)

Constructs new string stream.

1) Constructs new underlying string device. The underlying basic_stringbuf object is constructed as basic_stringbuf<Char,Traits,Allocator>(mode | ios_base::in).

2) Uses a copy of str as initial contents of the underlying string device. The underlying basic_stringbuf object is constructed as basic_stringbuf<Char,Traits,Allocator>(str, mode | ios_base::in).

3) Move constructor. Constructs the file stream with the state of other using move semantics.

[edit] Parameters

str	-	string to use as initial contents of the string stream
mode	-	specifies stream open mode. It is bitmask type, the following constants are defined: Constant Explanation app seek to the end of stream before each write binary open in binary mode in open for reading out open for writing trunc discard the contents of the stream when opening ate seek to the end of stream immediately after open
other	-	another string stream to use as source

[edit] Example

This section is incomplete

[edit] See also

str	gets or sets the contents of underlying string device object (public member function)