zypp::iostr::EachLine Class Reference

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

#include <IOStream.h>

Inheritance diagram for zypp::iostr::EachLine:

List of all members.

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.
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.
bool	next ()
	Advance to next line.
bool	next (unsigned num_r)
	Advance num_r lines.
Private Types
typedef base::SafeBool< EachLine >	SafeBool
Private Member Functions
friend	SafeBool::operator bool_type () const
bool	boolTest () const
Private Attributes
std::istream &	_str
std::string	_line
std::streamoff	_lineStart
unsigned	_lineNo
bool	_valid

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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 60 of file IOStream.h.

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Member Typedef Documentation

typedef base::SafeBool<EachLine> zypp::iostr::EachLine::SafeBool [private]

Definition at line 62 of file IOStream.h.

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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 56 of file IOStream.cc. References next().

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Member Function Documentation

bool zypp::iostr::EachLine::valid (   )  const [inline]

Whether this contains a valid line to consume. Definition at line 72 of file IOStream.h. References boolTest(). Referenced by next().

unsigned zypp::iostr::EachLine::lineNo (   )  const [inline]

Return the current line number. Definition at line 76 of file IOStream.h. References _lineNo.

std::streamoff zypp::iostr::EachLine::lineStart (   )  const [inline]

Definition at line 79 of file IOStream.h. References _lineStart.

void zypp::iostr::EachLine::setLineNo (  unsigned  lineNo_r  )  [inline]

Set current line number. Definition at line 83 of file IOStream.h. References _lineNo.

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

Access the current line. Definition at line 87 of file IOStream.h. References _line.

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

Advance to next line. Definition at line 70 of file IOStream.cc. References _line, _lineNo, _lineStart, _str, _valid, and zypp::iostr::getline(). Referenced by EachLine(), next(), and zypp::parser::IniParser::parse().

bool zypp::iostr::EachLine::next (  unsigned  num_r  )  [inline]

Advance num_r lines. Definition at line 94 of file IOStream.h. References next(), and valid().

zypp::iostr::EachLine::SafeBool::operator bool_type (   )  const [private]

bool zypp::iostr::EachLine::boolTest (   )  const [inline, private]

Definition at line 103 of file IOStream.h. References _valid. Referenced by valid().

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Member Data Documentation

std::istream& zypp::iostr::EachLine::_str [private]

Definition at line 107 of file IOStream.h. Referenced by next().

std::string zypp::iostr::EachLine::_line [private]

Definition at line 108 of file IOStream.h. Referenced by next(), and operator *().

std::streamoff zypp::iostr::EachLine::_lineStart [private]

Definition at line 109 of file IOStream.h. Referenced by lineStart(), and next().

unsigned zypp::iostr::EachLine::_lineNo [private]

Definition at line 110 of file IOStream.h. Referenced by lineNo(), next(), and setLineNo().

bool zypp::iostr::EachLine::_valid [private]

Definition at line 111 of file IOStream.h. Referenced by boolTest(), and next().

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

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

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