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org.eclipse.ant.internal.ui.editor.derived
Class SubstitutionTextReader  

java.lang.Object
  java.io.Reader
      org.eclipse.ant.internal.ui.editor.derived.SingleCharReader
          org.eclipse.ant.internal.ui.editor.derived.SubstitutionTextReader

Direct Known Subclasses:

HTML2TextReader

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public abstract class SubstitutionTextReader

extends SingleCharReader

Reads the text contents from a reader and computes for each character a potential substitution. The substitution may eat more characters than only the one passed into the computation routine.

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Field Summary
private  java.lang.StringBuffer	fBuffer
private  int	fCharAfterWhiteSpace
private  int	fIndex
private  java.io.Reader	fReader
private  boolean	fReadFromBuffer
private  boolean	fSkipWhiteSpace           Tells whether white space characters are skipped.
private  boolean	fWasWhiteSpace
protected static java.lang.String	LINE_DELIM

 

Fields inherited from class java.io.Reader

lock

 

Constructor Summary
protected	SubstitutionTextReader(java.io.Reader reader)

 

Method Summary
void	close()           Closes the stream.
protected abstract  java.lang.String	computeSubstitution(int c)           Implement to compute the substitution for the given character and if necessary subsequent characters.
protected  java.io.Reader	getReader()           Returns the internal reader.
protected  boolean	isSkippingWhitespace()
protected  int	nextChar()           Returns the next character.
int	read()           Reads an char from the input stream and returns it as an int in the range of 0-65535.
boolean	ready()           Determines whether or not this stream is ready to be read.
void	reset()           Resets a stream to the point where the mark() method was called.
protected  void	setSkipWhitespace(boolean state)

 

Methods inherited from class org.eclipse.ant.internal.ui.editor.derived.SingleCharReader

getString, read

 

Methods inherited from class java.io.Reader

mark, markSupported, read, skip

 

Methods inherited from class java.lang.Object

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

 

Field Detail

LINE_DELIM

protected static final java.lang.String LINE_DELIM

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fReader

private java.io.Reader fReader

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fWasWhiteSpace

private boolean fWasWhiteSpace

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fCharAfterWhiteSpace

private int fCharAfterWhiteSpace

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fSkipWhiteSpace

private boolean fSkipWhiteSpace

Tells whether white space characters are skipped.

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fReadFromBuffer

private boolean fReadFromBuffer

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fBuffer

private java.lang.StringBuffer fBuffer

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fIndex

private int fIndex

Constructor Detail

SubstitutionTextReader

protected SubstitutionTextReader(java.io.Reader reader)

Method Detail

computeSubstitution

protected abstract java.lang.String computeSubstitution(int c)
                                                 throws java.io.IOException

Implement to compute the substitution for the given character and if necessary subsequent characters. Use nextChar to read subsequent characters.

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getReader

protected java.io.Reader getReader()

Returns the internal reader.

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nextChar

protected int nextChar()
                throws java.io.IOException

Returns the next character.

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read

public int read()
         throws java.io.IOException

Description copied from class: java.io.Reader

Reads an char from the input stream and returns it as an int in the range of 0-65535. This method also will return -1 if the end of the stream has been reached.

This method will block until the char can be read.

Specified by:

read in class SingleCharReader

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ready

public boolean ready()
              throws java.io.IOException

Description copied from class: java.io.Reader

Determines whether or not this stream is ready to be read. If it returns false the stream may block if a read is attempted, but it is not guaranteed to do so.

This method always returns false in this class

Overrides:

ready in class SingleCharReader

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close

public void close()
           throws java.io.IOException

Description copied from class: java.io.Reader

Closes the stream. Any futher attempts to read from the stream may generate an IOException.

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reset

public void reset()
           throws java.io.IOException

Description copied from class: java.io.Reader

Resets a stream to the point where the mark() method was called. Any chars that were read after the mark point was set will be re-read during subsequent reads.

This method always throws an IOException in this class, but subclasses can override this method if they provide mark/reset functionality.

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setSkipWhitespace

protected final void setSkipWhitespace(boolean state)

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isSkippingWhitespace

protected final boolean isSkippingWhitespace()

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> eclipse >> ant >> internal >> ui >> editor >> [ derived overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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