memorybuf::out_base Class Reference

An output streambuf for memory access. More...

Inheritance diagram for memorybuf::out_base:

Collaboration diagram for memorybuf::out_base:

Public Member Functions
	out_base ()=default
	Default construct. More...
	out_base (char *s, std::streamsize n)
	Construct for character array (can be nullptr) and number of bytes. More...
void	resetp (char *s, std::streamsize n)
	Reset put buffer with character data (can be nullptr) and count. More...
std::streamsize	span_tellp () const
	The current buffer put position. More...
std::streamsize	span_capacity () const
	The put buffer capacity. More...
char *	data_bytes () const
	The span data (start of output characters) More...
std::streamsize	size_bytes () const
	The span size (size of output buffer) More...
std::string_view	view () const
void	info (Ostream &os) const
	Some information about the output buffer position/capacity. More...

Protected Member Functions
virtual std::streamsize	xsputn (const char *s, std::streamsize n)
	Put sequence of characters to a fixed region. More...
Protected Member Functions inherited from memorybuf
virtual std::streampos	seekoff (std::streamoff off, std::ios_base::seekdir way, std::ios_base::openmode which=std::ios_base::in|std::ios_base::out)
	Set position pointer to relative position. More...
virtual std::streampos	seekpos (std::streampos pos, std::ios_base::openmode which=std::ios_base::in|std::ios_base::out)
	Set position pointer to absolute position. More...

Detailed Description

An output streambuf for memory access.

Definition at line 381 of file memoryStreamBuffer.H.

Constructor & Destructor Documentation

out_base() [1/2]

out_base ( )

default

Default construct.

out_base() [2/2]

out_base ( char *  s, std::streamsize  n  )

inline

Construct for character array (can be nullptr) and number of bytes.

Definition at line 413 of file memoryStreamBuffer.H.

References n, memorybuf::out_base::resetp(), and s.

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Member Function Documentation

xsputn()

virtual std::streamsize xsputn ( const char *  s, std::streamsize  n  )

inlineprotectedvirtual

Put sequence of characters to a fixed region.

Reimplemented in memorybuf::out_dynamic.

Definition at line 390 of file memoryStreamBuffer.H.

References Foam::BitOps::count(), n, and s.

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resetp()

void resetp ( char *  s, std::streamsize  n  )

inline

Reset put buffer with character data (can be nullptr) and count.

Sets put pointer to the begin.

Definition at line 429 of file memoryStreamBuffer.H.

References n, and s.

Referenced by memorybuf::out_base::out_base(), ospanstream::reset(), and memorybuf::out_dynamic::sync_pbuffer().

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span_tellp()

std::streamsize span_tellp ( ) const

inline

The current buffer put position.

Definition at line 446 of file memoryStreamBuffer.H.

Referenced by memorybuf::out_base::info(), ocharstream::output_pos(), ospanstream::output_pos(), memorybuf::out_dynamic::overflow(), memorybuf::out_dynamic::release(), memorybuf::out_dynamic::reserve(), memorybuf::out_dynamic::shrink(), memorybuf::out_dynamic::swap(), and memorybuf::out_dynamic::xsputn().

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span_capacity()

std::streamsize span_capacity ( ) const

inline

The put buffer capacity.

Definition at line 451 of file memoryStreamBuffer.H.

Referenced by ocharstream::capacity(), ospanstream::capacity(), and memorybuf::out_base::info().

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data_bytes()

char* data_bytes ( ) const

inline

The span data (start of output characters)

Definition at line 456 of file memoryStreamBuffer.H.

Referenced by ocharstream::list(), ospanstream::list(), ocharstream::str(), ospanstream::str(), and memorybuf::out_base::view().

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size_bytes()

std::streamsize size_bytes ( ) const

inline

The span size (size of output buffer)

Definition at line 461 of file memoryStreamBuffer.H.

Referenced by ocharstream::count(), ospanstream::count(), ocharstream::list(), ospanstream::list(), ocharstream::str(), ospanstream::str(), and memorybuf::out_base::view().

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view()

std::string_view view ( ) const

inline

Definition at line 463 of file memoryStreamBuffer.H.

References memorybuf::out_base::data_bytes(), and memorybuf::out_base::size_bytes().

Referenced by ocharstream::view(), and ospanstream::view().

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info()

void info ( Ostream &  os ) const

inline

Some information about the output buffer position/capacity.

Definition at line 471 of file memoryStreamBuffer.H.

References os(), memorybuf::out_base::span_capacity(), and memorybuf::out_base::span_tellp().

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The documentation for this class was generated from the following file:

• src/OpenFOAM/db/IOstreams/memory/memoryStreamBuffer.H