zypp::iostr::EachLine Class Reference

Simple lineparser: Traverse each line in a file. More...

#include <base/IOStream.h>

Inheritance diagram for zypp::iostr::EachLine:

Public Member Functions
	EachLine (std::istream &str_r, unsigned lineNo_r=0)
	Ctor taking a stream and reading the 1st line from it.
bool	valid () const
	Whether this contains a valid line to consume.
	operator bool () const
	Evaluate class in a boolean context.
unsigned	lineNo () const
	Return the current line number.
std::streamoff	lineStart () const
void	setLineNo (unsigned lineNo_r)
	Set current line number.
const std::string &	operator* () const
	Access the current line.
std::string &	operator* ()
const std::string *	operator-> () const
	Access the current line.
bool	next ()
	Advance to next line.
bool	next (unsigned num_r)
	Advance num_r lines.

Private Attributes
std::istream &	_str
std::string	_line
std::streamoff	_lineStart
unsigned	_lineNo
bool	_valid

Detailed Description

Simple lineparser: Traverse each line in a file.

std::ifstream infile( "somefile" );
for( iostr::EachLine in( infile ); in; in.next() )
{
  DBG << *in << endl;
}

Definition at line 111 of file IOStream.h.

Constructor & Destructor Documentation

EachLine()

zypp::iostr::EachLine::EachLine	(	std::istream &	str_r,
		unsigned	lineNo_r = 0
	)

Ctor taking a stream and reading the 1st line from it.

Definition at line 58 of file IOStream.cc.

Member Function Documentation

valid()

bool zypp::iostr::EachLine::valid ( ) const

inline

Whether this contains a valid line to consume.

Definition at line 118 of file IOStream.h.

operator bool()

zypp::iostr::EachLine::operator bool ( ) const

inlineexplicit

Evaluate class in a boolean context.

Definition at line 122 of file IOStream.h.

lineNo()

unsigned zypp::iostr::EachLine::lineNo ( ) const

inline

Return the current line number.

Definition at line 126 of file IOStream.h.

lineStart()

std::streamoff zypp::iostr::EachLine::lineStart ( ) const

inline

Definition at line 129 of file IOStream.h.

setLineNo()

void zypp::iostr::EachLine::setLineNo ( unsigned  lineNo_r )

inline

Set current line number.

Definition at line 133 of file IOStream.h.

operator*() [1/2]

const std::string & zypp::iostr::EachLine::operator* ( ) const

inline

Access the current line.

Definition at line 137 of file IOStream.h.

operator*() [2/2]

std::string & zypp::iostr::EachLine::operator* ( )

inline

Definition at line 140 of file IOStream.h.

operator->()

const std::string * zypp::iostr::EachLine::operator-> ( ) const

inline

Access the current line.

Definition at line 144 of file IOStream.h.

next() [1/2]

bool zypp::iostr::EachLine::next

(

)

Advance to next line.

Definition at line 72 of file IOStream.cc.

next() [2/2]

bool zypp::iostr::EachLine::next ( unsigned  num_r )

inline

Advance num_r lines.

Definition at line 151 of file IOStream.h.

Member Data Documentation

_str

std::istream& zypp::iostr::EachLine::_str

private

Definition at line 159 of file IOStream.h.

_line

std::string zypp::iostr::EachLine::_line

private

Definition at line 160 of file IOStream.h.

_lineStart

std::streamoff zypp::iostr::EachLine::_lineStart

private

Definition at line 161 of file IOStream.h.

_lineNo

unsigned zypp::iostr::EachLine::_lineNo

private

Definition at line 162 of file IOStream.h.

_valid

bool zypp::iostr::EachLine::_valid

private

Definition at line 163 of file IOStream.h.

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

• zypp/base/IOStream.h
• zypp-core/base/IOStream.cc