WXP::CityHash Class Reference

This class sets up a hash table for city database information. More...

#include "../include/CityHash.h"

Public Member Functions
	CityHash (const char *file, Domain &domain, int prior)
	CityHash (const char *file)
	CityHash ()
	~CityHash ()
int	init ()
int	setup (const char *file, Domain &domain, int prior)
int	setup (const char *file)
int	get (const char *id, CityHashData &data)
int	get (int ind, const char *id, CityHashData &data)
int	first ()
const char *	nextKey ()
int	getNum ()
int	print ()
int	printData ()

Detailed Description

This class sets up a hash table for city database information.

Author

Dan Vietor

Constructor & Destructor Documentation

CityHash() [1/3]

CityHash::CityHash	(	const char *	file,
		Domain &	domain,
		int	prior )

Constructor. Sets up hash table.

Parameters

file	City database file to use
domain	Domain to save cities from
prior	Maximum priority to save

References setup().

CityHash() [2/3]

CityHash::CityHash

(

const char *

file

)

Constructor. Sets up hash table.

Parameters

file	City database file to use

References setup().

CityHash() [3/3]

CityHash::CityHash

(

)

Constructor. Sets up hash table.

References init().

~CityHash()

CityHash::~CityHash

(

)

Destructor

Member Function Documentation

first()

int CityHash::first

(

)

Goes to first city in hash table

get() [1/2]

int CityHash::get	(	const char *	id,
		CityHashData &	data )

Gets the city data from hash checking id for type of key

Parameters

id	City ID to search hash

Return values

data	CityHashData class containing output data

References WXP::StrLib::check(), WXP::StrLib::length(), and WXP::CityTool::toWmo().

Referenced by WXP::RcmPlot::draw(), and WXP::MdrImage::readFile().

get() [2/2]

int CityHash::get	(	int	ind,
		const char *	id,
		CityHashData &	data )

Gets the city data from hash

Parameters

ind	Type of ID
id	City ID to search hash

Return values

data	CityHashData class containing output data

getNum()

int WXP::CityHash::getNum ( )

inline

Returns number of stations in hash

init()

int CityHash::init

(

)

Initializes the object

References WXP::Const::MISS.

Referenced by CityHash().

nextKey()

const char * CityHash::nextKey

(

)

Gets the key of the next city in the hash table

Returns

City ID

print()

int CityHash::print

(

)

Prints hash table information

References WXP::CityHashData::print().

printData()

int CityHash::printData

(

)

Prints the hash table data

setup() [1/2]

int CityHash::setup

(

const char *

file

)

Sets up hash table with all stations from file

Parameters

file	City database file to use

References WXP::FileTool::addPath(), WXP::CityHashData::city, WXP::String::get(), WXP::Wxp::getDatabasePath(), WXP::CityData::getId(), WXP::CityData::getLat(), WXP::CityData::getLon(), WXP::CityFile::getNum(), WXP::CityData::getWmo(), WXP::CityFile::isOpen(), WXP::Wxp::outMessage(), WXP::FileAttr::READ, and WXP::CityFile::read().

setup() [2/2]

int CityHash::setup	(	const char *	file,
		Domain &	domain,
		int	prior )

Sets up hash table. Filter based on domain and priority

Parameters

file	City database file to use
domain	Domain to save cities from
prior	Maximum priority to save

References WXP::FileTool::addPath(), WXP::CityHashData::city, WXP::CityTool::compareData(), WXP::String::get(), WXP::Wxp::getDatabasePath(), WXP::CityData::getId(), WXP::CityData::getLat(), WXP::CityData::getLon(), WXP::CityFile::getNum(), WXP::Strings::getNum(), WXP::CityData::getPrior(), WXP::CityData::getWmo(), WXP::CityFile::isOpen(), WXP::FileAttr::READ, WXP::CityFile::read(), WXP::EarthPoint::set(), WXP::Domain::tran(), and WXP::Domain::withinExt().

Referenced by CityHash(), and CityHash().

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

• CityHash.h
• CityHash.cc