WXP::CityFile Class Reference

This class reads in data from city database files. More...

#include "../include/CityFile.h"

Public Member Functions
	CityFile ()
	CityFile (const char *filename, int access)
	CityFile (const char *filename)
	~CityFile ()
int	open (const char *filename, int access)
int	open (const char *filename)
bool	isOpen ()
int	rewind ()
int	close ()
int	read (CityData &city)
int	getNum ()

Detailed Description

This class reads in data from city database files.

Author

Dan Vietor

Constructor & Destructor Documentation

CityFile() [1/3]

CityFile::CityFile

(

)

Constructor. Initializes values

CityFile() [2/3]

CityFile::CityFile	(	const char *	filename,
		int	access )

Constructor. Opens file

Parameters

filename	File to open
access	File access (FileAttr::READ, FileAttr::WRITE)

References open().

CityFile() [3/3]

CityFile::CityFile

(

const char *

filename

)

Constructor. Opens file for read

Parameters

filename

File to open

References open(), and WXP::FileAttr::READ.

~CityFile()

CityFile::~CityFile

(

)

Destructor. Closes file

References close().

Member Function Documentation

close()

int CityFile::close

(

)

Closes the file and marks the class as closed

Referenced by WXP::CityPlot::draw(), and ~CityFile().

getNum()

int CityFile::getNum

(

)

Returns an estimate for the number of cities in the file

Referenced by WXP::CityHash::setup(), WXP::CityHash::setup(), and WXP::UpaRawinHash::setup().

isOpen()

bool CityFile::isOpen

(

)

Returns true if file opened

Referenced by WXP::CityPlot::draw(), WXP::CityTool::search(), WXP::CityHash::setup(), WXP::CityHash::setup(), WXP::RcmDecode::setup(), and WXP::UpaRawinHash::setup().

open() [1/2]

int CityFile::open

(

const char *

filename

)

Opens the city database file for read

Parameters

filename

File to open

References open(), and WXP::FileAttr::READ.

open() [2/2]

int CityFile::open	(	const char *	filename,
		int	access )

Opens the city database file

Parameters

filename	File to open
access	File access (FileAttr::READ, FileAttr::WRITE)

References WXP::FileTool::getSize(), WXP::FileAttr::READ, and WXP::FileAttr::WRITE.

Referenced by CityFile(), CityFile(), and open().

read()

int CityFile::read

(

CityData &

city

)

Reads a single city from the database file

Return values

city	Data object to hold city data

Returns

0=not opened, bad data or no more data, 1=valid

References WXP::StrLib::equal(), and WXP::Const::MISS.

Referenced by WXP::CityPlot::draw(), WXP::ProfPlot::draw(), WXP::UpaXSectCont::draw(), WXP::UpaXSectPlot::draw(), WXP::CityTool::search(), WXP::CityHash::setup(), WXP::CityHash::setup(), WXP::RcmDecode::setup(), and WXP::UpaRawinHash::setup().

rewind()

int CityFile::rewind

(

)

Rewinds the file

Referenced by WXP::CityTool::search().

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

• CityFile.h
• CityFile.cc