nom.tam.fits.utilities

Class FitsSubString

java.lang.Object

nom.tam.fits.utilities.FitsSubString

public class FitsSubString
extends Object

This class is a pointer into a part of an other string, it can be manipulated by changing the position pointers into the "original" string. This class is aware of the escape quote, two quotes in sequence the respresent a single quote.

Author:

Richard van Nieuwenhoven

Constructor Summary

Constructors

Constructor and Description
FitsSubString(String originalString) constructor for the substring, start by representing the whole string.

Method Summary

Modifier and Type	Method and Description
void	appendTo(StringBuilder buffer) append the current string representation to the StringBuffer.
char	charAt(int pos) get the character at the specified position.
int	fullLength()
void	getAdjustedLength(int max) check the string and set it to the maximum length specified.
int	length()
void	rest() shift the sting to the rest of the string, the part of the original string that is after the part of the string this instance currently represents.
void	skip(int count) skip over the specified number of characters.
boolean	startsWith(String string)

Methods inherited from class java.lang.Object

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

Constructor Detail

FitsSubString

public FitsSubString(String originalString)

constructor for the substring, start by representing the whole string.

Parameters:

originalString - the string to represent.

Method Detail

appendTo

public void appendTo(StringBuilder buffer)

append the current string representation to the StringBuffer.

Parameters:

buffer - the buffer to append to.

charAt

public char charAt(int pos)

get the character at the specified position.

Parameters:

pos - the position the get the character from

Returns:

the character at the specified position

fullLength

public int fullLength()

Returns:

get the length of the orginal string from the current offset.

getAdjustedLength

public void getAdjustedLength(int max)

check the string and set it to the maximum length specified. if a escaped quote is on the boundary the length is reduced in a way that the string does not separate an escape quote.

Parameters:

max - the maximum string legth to set.

length

public int length()

Returns:

the string length of this String.

rest

public void rest()

shift the sting to the rest of the string, the part of the original string that is after the part of the string this instance currently represents.

skip

public void skip(int count)

skip over the specified number of characters.

Parameters:

count - the number of chars to skip

startsWith

public boolean startsWith(String string)

Parameters:

string - the string to check

Returns:

true if the current string starts with the specified string.