OStringStream Class Reference

Output to string buffer, using a OSstream. Always UNCOMPRESSED. More...

Inheritance diagram for OStringStream:

Collaboration diagram for OStringStream:

Public Member Functions
	OStringStream (IOstreamOption streamOpt=IOstreamOption())
	Default construct or with specified stream option. More...
	OStringStream (const OStringStream &str)
	Copy construct, copies content and format. More...
void	reset ()
	Reset the output buffer and rewind the stream. More...
virtual void	rewind ()
	Rewind the output stream. More...
virtual void	print (Ostream &os) const
	Print stream description to Ostream. More...
Public Member Functions inherited from StringStreamAllocator< std::ostringstream >
Foam::string	str () const
	Get the string - as Foam::string rather than std::string. More...
void	str (const std::string &s)
	Set the string. More...
Public Member Functions inherited from OSstream
	OSstream (const OSstream &)=default
	Copy construct. More...
void	operator= (const OSstream &)=delete
	No copy assignment. More...
	OSstream (std::ostream &os, const string &streamName, IOstreamOption streamOpt=IOstreamOption())
	Construct wrapper around std::ostream, set stream status. More...
	OSstream (std::ostream &os, const string &streamName, IOstreamOption::streamFormat fmt, IOstreamOption::versionNumber ver=IOstreamOption::currentVersion, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
	Construct wrapper around std::ostream, set stream status. More...
virtual const fileName &	name () const
	Get the name of the stream. More...
virtual fileName &	name ()
	Return stream name for modification. More...
virtual ios_base::fmtflags	flags () const
	Get stream flags. More...
virtual bool	write (const token &tok)
	Write token to stream or otherwise handle it. More...
virtual Ostream &	write (const char c)
	Write character. More...
virtual Ostream &	write (const char *str)
	Write character string. More...
virtual Ostream &	write (const word &str)
	Write word. More...
virtual Ostream &	write (const string &str)
	Write string (quoted) More...
virtual Ostream &	writeQuoted (const std::string &str, const bool quoted=true)
	Write std::string surrounded by quotes. More...
virtual Ostream &	write (const int32_t val)
	Write int32_t. More...
virtual Ostream &	write (const int64_t val)
	Write int64_t. More...
virtual Ostream &	write (const floatScalar val)
	Write floatScalar. More...
virtual Ostream &	write (const doubleScalar val)
	Write doubleScalar. More...
virtual Ostream &	write (const char *data, std::streamsize count)
	Write binary block. More...
virtual Ostream &	writeRaw (const char *data, std::streamsize count)
	Low-level raw binary output. More...
virtual bool	beginRawWrite (std::streamsize count)
	Begin marker for low-level raw binary output. More...
virtual bool	endRawWrite ()
	End marker for low-level raw binary output. More...
virtual void	indent ()
	Add indentation characters. More...
virtual ios_base::fmtflags	flags (const ios_base::fmtflags f)
	Set stream flags. More...
virtual void	flush ()
	Flush stream. More...
virtual void	endl ()
	Add newline and flush stream. More...
virtual char	fill () const
	Get the current padding character. More...
virtual char	fill (const char fillch)
	Set padding character for formatted field up to field width. More...
virtual int	width () const
	Get width of output field. More...
virtual int	width (const int w)
	Set width of output field. More...
virtual int	precision () const
	Get precision of output field. More...
virtual int	precision (const int p)
	Set precision of output field. More...
virtual std::ostream &	stdStream ()
	Access to underlying std::ostream. More...
virtual const std::ostream &	stdStream () const
	Const access to underlying std::ostream. More...
virtual void	print (Ostream &os) const
	Print stream description to Ostream. More...
Public Member Functions inherited from Ostream
	Ostream (const Ostream &)=default
	Copy construct. More...
virtual	~Ostream ()=default
	Destructor. More...
	Ostream (IOstreamOption streamOpt=IOstreamOption())
	Ostream (IOstreamOption::streamFormat fmt, IOstreamOption::versionNumber ver=IOstreamOption::currentVersion, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
	Construct with format, version (compression) More...
virtual bool	write (const token &tok)=0
	Write token to stream or otherwise handle it. More...
virtual Ostream &	write (const char c)=0
	Write character. More...
virtual Ostream &	write (const char *str)=0
	Write character string. More...
virtual Ostream &	write (const word &str)=0
	Write word. More...
virtual Ostream &	write (const keyType &kw)
	Write keyType. More...
virtual Ostream &	write (const string &str)=0
	Write string. More...
virtual Ostream &	writeQuoted (const std::string &str, const bool quoted=true)=0
	Write std::string surrounded by quotes. More...
virtual Ostream &	write (const int32_t val)=0
	Write int32_t. More...
virtual Ostream &	write (const int64_t val)=0
	Write int64_t. More...
virtual Ostream &	write (const floatScalar val)=0
	Write floatScalar. More...
virtual Ostream &	write (const doubleScalar val)=0
	Write doubleScalar. More...
virtual Ostream &	write (const char *data, std::streamsize count)=0
	Write binary block. More...
virtual Ostream &	writeRaw (const char *data, std::streamsize count)=0
	Low-level raw binary output. More...
virtual bool	beginRawWrite (std::streamsize count)=0
	Emit begin marker for low-level raw binary output. More...
virtual bool	endRawWrite ()=0
	Emit end marker for low-level raw binary output. More...
virtual void	indent ()=0
	Add indentation characters. More...
unsigned short	indentSize () const noexcept
	Return indent size (spaces per level) More...
unsigned short	indentSize (unsigned short val) noexcept
	Change indent size (spaces per level), return old value. More...
unsigned short	indentLevel () const noexcept
	Return the indent level. More...
unsigned short	indentLevel (unsigned short val) noexcept
	Change the indent level, return old value. More...
void	incrIndent () noexcept
	Increment the indent level. More...
void	decrIndent ()
	Decrement the indent level. More...
virtual Ostream &	writeKeyword (const keyType &kw)
	Write the keyword followed by an appropriate indentation. More...
virtual Ostream &	beginBlock (const keyType &kw)
	Write begin block group with the given name. More...
virtual Ostream &	beginBlock ()
	Write begin block group without a name. More...
virtual Ostream &	endBlock ()
	Write end block group. More...
virtual Ostream &	endEntry ()
	Write end entry (';') followed by newline. More...
template<class T >
Ostream &	writeEntry (const keyType &key, const T &value)
	Write a keyword/value entry. More...
template<class T >
Ostream &	writeEntryIfDifferent (const word &key, const T &value1, const T &value2)
	Write a keyword/value entry only when the two values differ. More...
virtual void	flush ()=0
	Flush stream. More...
virtual void	endl ()=0
	Add newline and flush stream. More...
virtual char	fill () const =0
	Get padding character. More...
virtual char	fill (const char fillch)=0
	Set padding character for formatted field up to field width. More...
virtual int	width () const =0
	Get width of output field. More...
virtual int	width (const int w)=0
	Set width of output field (and return old width) More...
virtual int	precision () const =0
	Get precision of output field. More...
virtual int	precision (const int p)=0
	Set precision of output field (and return old precision) More...
Ostream &	operator() () const
	Return a non-const reference to const Ostream. More...
unsigned short &	indentLevel () noexcept
	Access to indent level. More...
unsigned short &	indentSize () noexcept
	Access to indent size. More...
Public Member Functions inherited from IOstream
	IOstream (const IOstream &)=default
	Copy construct. More...
virtual	~IOstream ()=default
	Destructor. More...
	IOstream (IOstreamOption streamOpt=IOstreamOption())
	IOstream (IOstreamOption::streamFormat fmt, IOstreamOption::versionNumber ver, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
	Construct with format, version (compression) More...
virtual const fileName &	name () const
	Return the name of the stream. More...
virtual fileName &	name ()
	Return stream name for modification. More...
fileName	relativeName () const
	Return the name of the stream relative to the current case. More...
virtual bool	check (const char *operation) const
	Check IOstream status for given operation. More...
bool	fatalCheck (const char *operation) const
	Check IOstream status for given operation. More...
bool	opened () const noexcept
	True if stream has been opened. More...
bool	closed () const noexcept
	True if stream is closed. More...
bool	good () const noexcept
	True if next operation might succeed. More...
bool	eof () const noexcept
	True if end of input seen. More...
bool	fail () const noexcept
	True if next operation will fail. More...
bool	bad () const noexcept
	True if stream is corrupted. More...
	operator bool () const noexcept
	Return true if the stream has not failed. More...
bool	operator! () const noexcept
	Return true if the stream has failed. More...
unsigned	labelByteSize () const noexcept
	The sizeof (label) in bytes associated with the stream. More...
unsigned	scalarByteSize () const noexcept
	The sizeof (scalar) in bytes associated with the stream. More...
void	setLabelByteSize (unsigned nbytes) noexcept
	Set the sizeof (label) in bytes associated with the stream. More...
void	setScalarByteSize (unsigned nbytes) noexcept
	Set the sizeof (scalar) in bytes associated with the stream. More...
template<class T = label>
std::enable_if< std::is_integral< T >::value, bool >::type	checkLabelSize () const noexcept
template<class T = scalar>
std::enable_if< std::is_floating_point< T >::value, bool >::type	checkScalarSize () const noexcept
label	lineNumber () const noexcept
	Const access to the current stream line number. More...
label &	lineNumber () noexcept
	Non-const access to the current stream line number. More...
label	lineNumber (const label num) noexcept
	Set the stream line number. More...
virtual ios_base::fmtflags	flags () const =0
	Return flags of stream. More...
void	setEof () noexcept
	Set stream state as reached 'eof'. More...
void	setFail () noexcept
	Set stream state as 'failed'. More...
void	setBad ()
	Set stream state to be 'bad'. More...
virtual ios_base::fmtflags	flags (const ios_base::fmtflags f)=0
	Set flags of stream. More...
ios_base::fmtflags	setf (const ios_base::fmtflags f)
	Set flags of stream. More...
ios_base::fmtflags	setf (const ios_base::fmtflags f, const ios_base::fmtflags mask)
	Set flags of given field of stream. More...
void	unsetf (const ios_base::fmtflags f)
	Unset flags of stream. More...
virtual void	print (Ostream &os) const
	Print stream description to Ostream. More...
void	print (Ostream &os, const int streamState) const
	Print information about the stream state bits. More...
InfoProxy< IOstream >	info () const
	Return info proxy. More...
Public Member Functions inherited from IOstreamOption
constexpr	IOstreamOption (streamFormat fmt=streamFormat::ASCII, compressionType comp=compressionType::UNCOMPRESSED) noexcept
constexpr	IOstreamOption (streamFormat fmt, compressionType comp, versionNumber ver) noexcept
	Construct from components (format, compression, version) More...
constexpr	IOstreamOption (streamFormat fmt, versionNumber ver, compressionType comp=compressionType::UNCOMPRESSED) noexcept
	Construct from components (format, version, compression) More...
	IOstreamOption (const IOstreamOption &opt, streamFormat fmt) noexcept
	Copy construct with change of format. More...
streamFormat	format () const noexcept
	Get the current stream format. More...
streamFormat	format (const streamFormat fmt) noexcept
	Set the stream format. More...
streamFormat	format (const word &formatName)
	Set the stream format from string value. More...
compressionType	compression () const noexcept
	Get the stream compression. More...
compressionType	compression (const compressionType comp) noexcept
	Set the stream compression. More...
compressionType	compression (const word &compName)
	Set the stream compression from string value. More...
versionNumber	version () const noexcept
	Get the stream version. More...
versionNumber	version (const versionNumber ver) noexcept
	Set the stream version. More...
versionNumber	version (const token &tok)
	Set the stream version from token. More...

Additional Inherited Members
Public Types inherited from IOstream
enum	streamAccess : char { CLOSED = 0 , OPENED }
	Enumeration for stream open/closed state. More...
Public Types inherited from IOstreamOption
enum	streamFormat : char { ASCII = 0 , BINARY }
	Data format (ascii | binary) More...
enum	compressionType : char { UNCOMPRESSED = 0 , COMPRESSED }
	Compression treatment (UNCOMPRESSED | COMPRESSED) More...
Static Public Member Functions inherited from IOstream
static unsigned int	defaultPrecision () noexcept
	Return the default precision. More...
static unsigned int	defaultPrecision (unsigned int prec) noexcept
	Reset the default precision. More...
Static Public Member Functions inherited from IOstreamOption
static streamFormat	formatEnum (const word &formatName, const streamFormat deflt=streamFormat::ASCII)
static streamFormat	formatEnum (const word &key, const dictionary &dict, const streamFormat deflt=streamFormat::ASCII)
	Failsafe construct streamFormat from optional dictionary lookup. More...
static compressionType	compressionEnum (const word &compName, const compressionType deflt=compressionType::UNCOMPRESSED)
	The compression enum corresponding to the string. More...
static compressionType	compressionEnum (const word &key, const dictionary &dict, const compressionType deflt=compressionType::UNCOMPRESSED)
	Failsafe construct compressionType from optional dictionary lookup. More...
Static Public Attributes inherited from IOstream
static unsigned int	precision_
	Default precision. More...
Static Public Attributes inherited from IOstreamOption
static const Enum< streamFormat >	formatNames
	Stream format names (ascii, binary) More...
static const versionNumber	currentVersion
	The current version number (2.0) More...
Protected Types inherited from StringStreamAllocator< std::ostringstream >
typedef std::ostringstream	stream_type
	The stream type. More...
Protected Member Functions inherited from StringStreamAllocator< std::ostringstream >
	StringStreamAllocator ()=default
	Default construct. More...
	StringStreamAllocator (const std::string &s)
	Copy construct from string. More...
Protected Member Functions inherited from IOstream
void	setOpened () noexcept
	Set stream opened. More...
void	setClosed () noexcept
	Set stream closed. More...
void	setState (std::ios_base::iostate state) noexcept
	Set stream state. More...
void	setGood () noexcept
	Set stream state to be good. More...
Protected Attributes inherited from StringStreamAllocator< std::ostringstream >
stream_type	stream_
	The input/output stream. More...
Protected Attributes inherited from Ostream
unsigned short	indentSize_ = 4
	Number of spaces per indent level. More...
unsigned short	indentLevel_ = 0
	Current indent level. More...
Protected Attributes inherited from IOstream
std::ios_base::iostate	ioState_
	Mirror of internal stream io state. More...
streamAccess	openClosed_
	The stream open/closed state. More...
unsigned char	sizeofLabel_
	The sizeof (label), possibly read from the header. More...
unsigned char	sizeofScalar_
	The sizeof (scalar), possibly read from the header. More...
label	lineNumber_
	The file line. More...
Static Protected Attributes inherited from Ostream
static constexpr const unsigned short	entryIndentation_ = 16
	Indentation of the entry from the start of the keyword. More...
Static Protected Attributes inherited from IOstream
static fileName	staticName_
	Name for any generic stream - normally treat as readonly. More...

Detailed Description

Output to string buffer, using a OSstream. Always UNCOMPRESSED.

Definition at line 227 of file StringStream.H.

Constructor & Destructor Documentation

OStringStream() [1/2]

OStringStream ( IOstreamOption  streamOpt = IOstreamOption() )

inlineexplicit

Default construct or with specified stream option.

Definition at line 239 of file StringStream.H.

OStringStream() [2/2]

OStringStream ( const OStringStream &  str )

inline

Copy construct, copies content and format.

Definition at line 249 of file StringStream.H.

Member Function Documentation

reset()

void reset ( )

inline

Reset the output buffer and rewind the stream.

Definition at line 259 of file StringStream.H.

References OStringStream::rewind(), and StringStreamAllocator< std::ostringstream >::str().

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rewind()

virtual void rewind ( )

inlinevirtual

Rewind the output stream.

Definition at line 266 of file StringStream.H.

References osha1stream::rdbuf(), and StringStreamAllocator< std::ostringstream >::stream_.

Referenced by OStringStream::reset().

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print()

void print ( Ostream &  os ) const

virtual

Print stream description to Ostream.

Reimplemented from OSstream.

Definition at line 43 of file StringStream.C.

References Foam::endl(), Foam::name(), os(), and objectiveManager::print().

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

• src/OpenFOAM/db/IOstreams/StringStreams/StringStream.H
• src/OpenFOAM/db/IOstreams/StringStreams/StringStream.C