WXP::CityHash Class Reference

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

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

List of all members.

Public Member Functions
	CityHash (const char *file, Domain &domain, int prior)
	CityHash (const char *file)
	CityHash ()
int	init ()
int	set (const char *file, Domain &domain, int prior)
int	set (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 ()

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Detailed Description

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

Author:

Dan Vietor

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Constructor & Destructor Documentation

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

CityHash::CityHash

(

const char *

file

)

Constructor. Sets up hash table.

Parameters:

file

City database file to use

CityHash::CityHash

(

)

Constructor. Sets up hash table.

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Member Function Documentation

int CityHash::first

(

)

Goes to first city in hash table

References WXP::Hash::first().

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

References WXP::Hash::search().

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::Hash::search().

Referenced by WXP::RcmPlot::draw(), and WXP::MdrPlot::draw().

const char * CityHash::nextKey

(

)

Gets the key of the next city in the hash table

Returns:

City ID

References WXP::Hash::nextKey().

int CityHash::print

(

)

Prints hash table information

References WXP::Hash::print().

int CityHash::printData

(

)

Prints the hash table data

References WXP::Hash::print().

int CityHash::set

(

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::Hash::enter(), WXP::StrLib::equal(), WXP::String::get(), WXP::Wxp::getDatabasePath(), WXP::CityData::getId(), WXP::CityData::getLat(), WXP::CityData::getLon(), WXP::CityData::getRegion(), WXP::CityData::getWmo(), WXP::Wxp::outMessage(), WXP::FileAttr::READ, and WXP::Hash::set().

int CityHash::set	(	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::Hash::enter(), WXP::StrLib::equal(), WXP::String::get(), WXP::Wxp::getDatabasePath(), WXP::CityData::getId(), WXP::CityData::getLat(), WXP::CityData::getLon(), WXP::CityData::getPrior(), WXP::CityData::getRegion(), WXP::CityData::getWmo(), WXP::Wxp::outMessage(), WXP::FileAttr::READ, WXP::EarthPoint::set(), WXP::Hash::set(), WXP::Domain::tran(), and WXP::Domain::withinExt().

Referenced by WXP::MdrPlot::draw().

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

• CityHash.h
• CityHash.cc