C++ Library - <wstringbuf>


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Introduction

It is a stream buffer to read from and write to wstring objects and objects of this class maintain internally a sequence of wide characters that they use as their associated input sequence and/or associated output sequence. The internal sequence can be initialized from a wstring object, or copied to one, using member str.

Definition

Below is definition of std::wstringbuf.

typedef basic_stringbuf<wchar_t> wstringbuf;

Parameters

  • charT − Character type.

  • traits − Character traits class that defines essential properties of the characters used by stream objects.

  • int_type − Integer Type.

  • Alloc − Type of the allocator object used to define the storage allocation model for the basic_string objects. By default, the allocator class template is used, which defines the simplest memory allocation model and is value-independent.

Public Member Functions

Sr.No. Member types Definition
1 (constructor) Construct object (public member function )
2 (destructor) Destruct object (public member function )

Public Member Functions

Sr.No. Member types Definition
1 pubimbue It is an imbue locale
2 getloc It is used to get current locale

Buffer management and positioning

Sr.No. Buffer management and positioning Definition
1 pubsetbuf It is used to set buffer array
2 pubseekoff It is used to set internal position pointer to relative position
3 pubseekpos It is used to set internal position pointer to absolute position
4 pubsync It is used to synchronize stream buffer

Input functions

Sr.No. Input functions Definition
1 in_avail It is used to get number of character available to read
2 snextc It is used to advance to next position and get character
3 sbumpc It is used to get current character and advance to next position
4 sgetc It is used to get current character
5 sgetn It is used to get sequence of characters
4 sputbackc It is used to put character back
5 sungetc It is used to decrease current position

Output functions

Sr.No. Output Definition
1 sputc It is used to put character and advance to next position
2 sputn It is used to put sequence of characters

Protected virtual function overrides

Sr.No. virtual function Definition
1 setbuf It is used to set buffer
2 seekoff It is used to set position pointer to relative position
3 seekpos It is used to set position pointer to absolute position
4 underflow It is used to get character
5 pbackfail It is used to put character back
5 overflow It is used to put character
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