org.geolatte.geom.codec

Class AbstractWktTokenizer

java.lang.Object

org.geolatte.geom.codec.AbstractWktTokenizer

Direct Known Subclasses:

CrsWktTokenizer, WktTokenizer

abstract class AbstractWktTokenizer
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int	currentPos
protected WktVariant	variant
protected java.lang.CharSequence	wkt

Constructor Summary

Constructors

Constructor and Description
AbstractWktTokenizer(java.lang.CharSequence wkt, WktVariant variant)

Method Summary

Modifier and Type	Method and Description
private WktToken	inner()
protected boolean	isWordChar(char c)
protected WktToken	matchKeyword(int currentPos, int endPos) Matches the specifed subsequence of the WKT to a WktToken.
(package private) boolean	moreTokens()
(package private) WktToken	nextToken()
(package private) abstract WktToken	numericToken()
int	position()
private char	readDigits(java.lang.StringBuilder stb, char c)
protected double	readNumber()
protected WktToken	readNumberToken()
protected WktToken	readText()
protected WktToken	readToken()
protected void	skipWhitespace()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

wkt

protected final java.lang.CharSequence wkt

variant

protected final WktVariant variant

currentPos

protected int currentPos

Constructor Detail

AbstractWktTokenizer

AbstractWktTokenizer(java.lang.CharSequence wkt,
                     WktVariant variant)

Method Detail

moreTokens

boolean moreTokens()

nextToken

WktToken nextToken()

inner

private WktToken inner()

numericToken

abstract WktToken numericToken()

readNumber

protected double readNumber()

readDigits

private char readDigits(java.lang.StringBuilder stb,
                        char c)

readNumberToken

protected WktToken readNumberToken()

readText

protected WktToken readText()

skipWhitespace

protected void skipWhitespace()

readToken

protected WktToken readToken()

isWordChar

protected boolean isWordChar(char c)

matchKeyword

protected WktToken matchKeyword(int currentPos,
                                int endPos)

Matches the specifed subsequence of the WKT to a WktToken.

Parameters:

currentPos - the start of the subsequence to match

endPos - the end of the subsequence to match

Returns:

the token that matches the specified subsequence

Throws:

WktDecodeException - if the specified subsequence does not match a token.

position

public int position()