zypp::iostr::EachLine Class Reference

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

#include <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. More...
bool	valid () const
	Whether this contains a valid line to consume. More...
	operator bool () const
	Evaluate class in a boolean context. More...
unsigned	lineNo () const
	Return the current line number. More...
std::streamoff	lineStart () const
void	setLineNo (unsigned lineNo_r)
	Set current line number. More...
const std::string &	operator* () const
	Access the current line. More...
std::string &	operator* ()
const std::string *	operator-> () const
	Access the current line. More...
bool	next ()
	Advance to next line. More...
bool	next (unsigned num_r)
	Advance num_r lines. More...

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

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

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

inline

Whether this contains a valid line to consume.

Definition at line 118 of file IOStream.h.

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

inlineexplicit

Evaluate class in a boolean context.

Definition at line 122 of file IOStream.h.

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

inline

Return the current line number.

Definition at line 126 of file IOStream.h.

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

inline

Definition at line 129 of file IOStream.h.

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

inline

Set current line number.

Definition at line 133 of file IOStream.h.

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

inline

Access the current line.

Definition at line 137 of file IOStream.h.

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

inline

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Definition at line 140 of file IOStream.h.

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

inline

Access the current line.

Definition at line 144 of file IOStream.h.

bool zypp::iostr::EachLine::next

(

)

Advance to next line.

Definition at line 72 of file IOStream.cc.

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

inline

Advance num_r lines.

Definition at line 151 of file IOStream.h.

Member Data Documentation

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

private

Definition at line 159 of file IOStream.h.

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

private

Definition at line 160 of file IOStream.h.

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

private

Definition at line 161 of file IOStream.h.

unsigned zypp::iostr::EachLine::_lineNo

private

Definition at line 162 of file IOStream.h.

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/base/IOStream.cc