util::FilePiece Class Reference

#include <file_piece.hh>

Collaboration diagram for util::FilePiece:

List of all members.

Public Member Functions
	FilePiece (const char *file, std::ostream *show_progress=NULL, off_t min_buffer=33554432)
	FilePiece (int fd, const char *name, std::ostream *show_progress=NULL, off_t min_buffer=33554432)
	~FilePiece ()
char	get ()
StringPiece	ReadDelimited (const bool *delim=kSpaces)
StringPiece	ReadLine (char delim= '\n')
float	ReadFloat ()
double	ReadDouble ()
long int	ReadLong ()
unsigned long int	ReadULong ()
void	SkipSpaces (const bool *delim=kSpaces)
off_t	Offset () const
const std::string &	FileName () const
Private Member Functions
void	Initialize (const char *name, std::ostream *show_progress, off_t min_buffer)
template<class T >
T	ReadNumber ()
StringPiece	Consume (const char *to)
const char *	FindDelimiterOrEOF (const bool *delim=kSpaces)
void	Shift ()
void	MMapShift (off_t desired_begin)
void	TransitionToRead ()
void	ReadShift ()
Private Attributes
const char *	position_
const char *	last_space_
const char *	position_end_
scoped_fd	file_
const off_t	total_size_
const off_t	page_
size_t	default_map_size_
off_t	mapped_offset_
scoped_memory	data_
bool	at_end_
bool	fallback_to_read_
ErsatzProgress	progress_
std::string	file_name_

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Constructor & Destructor Documentation

util::FilePiece::FilePiece	(	const char *	file,
		std::ostream *	show_progress = NULL,
		off_t	min_buffer = 33554432
	)		[explicit]

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util::FilePiece::FilePiece	(	int	fd,
		const char *	name,
		std::ostream *	show_progress = NULL,
		off_t	min_buffer = 33554432
	)		[explicit]

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util::FilePiece::~FilePiece

(

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Member Function Documentation

StringPiece util::FilePiece::Consume

(

const char *

to

)

[private]

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const std::string& util::FilePiece::FileName

(

)

const

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const char * util::FilePiece::FindDelimiterOrEOF

(

const bool *

delim = kSpaces

)

[private]

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char util::FilePiece::get

(

)

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void util::FilePiece::Initialize	(	const char *	name,
		std::ostream *	show_progress,
		off_t	min_buffer
	)		[private]

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void util::FilePiece::MMapShift

(

off_t

desired_begin

)

[private]

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off_t util::FilePiece::Offset

(

)

const

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StringPiece util::FilePiece::ReadDelimited

(

const bool *

delim = kSpaces

)

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double util::FilePiece::ReadDouble

(

)

float util::FilePiece::ReadFloat

(

)

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StringPiece util::FilePiece::ReadLine

(

char

delim = '\n'

)

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long int util::FilePiece::ReadLong

(

)

template<class T >

T util::FilePiece::ReadNumber

(

)

[private]

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void util::FilePiece::ReadShift

(

)

[private]

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unsigned long int util::FilePiece::ReadULong

(

)

void util::FilePiece::Shift

(

)

[private]

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void util::FilePiece::SkipSpaces

(

const bool *

delim = kSpaces

)

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void util::FilePiece::TransitionToRead

(

)

[private]

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Member Data Documentation

bool util::FilePiece::at_end_ [private]

scoped_memory util::FilePiece::data_ [private]

size_t util::FilePiece::default_map_size_ [private]

bool util::FilePiece::fallback_to_read_ [private]

scoped_fd util::FilePiece::file_ [private]

std::string util::FilePiece::file_name_ [private]

const char * util::FilePiece::last_space_ [private]

off_t util::FilePiece::mapped_offset_ [private]

const off_t util::FilePiece::page_ [private]

const char* util::FilePiece::position_ [private]

const char * util::FilePiece::position_end_ [private]

ErsatzProgress util::FilePiece::progress_ [private]

const off_t util::FilePiece::total_size_ [private]