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Java Source Code / Java Documentation » Parser » JTopas » de.susebox.jtopas.spi 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   de.susebox.jtopas.spi.StandardWhitespaceHandler

StandardWhitespaceHandler
public class StandardWhitespaceHandler implements WhitespaceHandler(Code)

Simple implementation of the WhitespaceHandler interface. This class works only with the de.susebox.jtopas.TokenizerProperties interface methods and is aware of changes in these properties. It does not cache any information and is therefore a more or less slow way to handle whitespaces.

This class is a bridge between arbitrary de.susebox.jtopas.Tokenizer implementations using the SPI interface WhitespaceHandler and any de.susebox.jtopas.TokenizerProperties implementation that does not implement the WhitespaceHandler interface itself.


See Also:   WhitespaceHandler
See Also:   de.susebox.jtopas.Tokenizer
See Also:   de.susebox.jtopas.TokenizerProperties
author:
   Heiko Blau



Constructor Summary
public  StandardWhitespaceHandler(TokenizerProperties props)
     The constructor takes the de.susebox.jtopas.TokenizerProperties that provide the whitespaces.

Method Summary
public  intcountLeadingWhitespaces(DataProvider dataProvider)
     This method detects the number of whitespace characters the data range given through the DataProvider parameter starts with.
public  booleanisWhitespace(char testChar)
     This method checks if the given character is a whitespace.
public  booleannewlineIsWhitespace()
     If a de.susebox.jtopas.Tokenizer performs line counting, it is often nessecary to know if newline characters is considered to be a whitespace.


Constructor Detail
StandardWhitespaceHandler
public StandardWhitespaceHandler(TokenizerProperties props)(Code)
The constructor takes the de.susebox.jtopas.TokenizerProperties that provide the whitespaces.
Parameters:
  props - the de.susebox.jtopas.TokenizerProperties to take the whitespaces from




Method Detail
countLeadingWhitespaces
public int countLeadingWhitespaces(DataProvider dataProvider) throws NullPointerException(Code)
This method detects the number of whitespace characters the data range given through the DataProvider parameter starts with.
Parameters:
  dataProvider - the source to get the data range from number of whitespace characters starting from the given offset
throws:
  NullPointerException - if no DataProvider is given
See Also:   DataProvider



isWhitespace
public boolean isWhitespace(char testChar)(Code)
This method checks if the given character is a whitespace.
Parameters:
  testChar - check this character true if the given character is a whitespace,false otherwise



newlineIsWhitespace
public boolean newlineIsWhitespace()(Code)
If a de.susebox.jtopas.Tokenizer performs line counting, it is often nessecary to know if newline characters is considered to be a whitespace. See WhitespaceHandler for details. true if newline characters are in the current whitespace set,false otherwise



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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