org.eclipse.xtext.ui.editor.model

Class DocumentCharacterIterator

java.lang.Object

org.eclipse.xtext.ui.editor.model.DocumentCharacterIterator

All Implemented Interfaces:

CharSequence, Cloneable, CharacterIterator

public class DocumentCharacterIterator
extends Object
implements CharacterIterator, CharSequence

Copied from org.eclipse.jdt.internal.ui.text.DocumentCharacterIterator.

Field Summary

Fields inherited from interface java.text.CharacterIterator

DONE

Constructor Summary

Constructors

Constructor and Description
DocumentCharacterIterator(org.eclipse.jface.text.IDocument document) Creates an iterator for the entire document.
DocumentCharacterIterator(org.eclipse.jface.text.IDocument document, int first) Creates an iterator, starting at offset first.
DocumentCharacterIterator(org.eclipse.jface.text.IDocument document, int first, int last) Creates an iterator for the document contents from first (inclusive) to last (exclusive).

Method Summary

Methods

Modifier and Type	Method and Description
char	charAt(int index)
Object	clone()
char	current()
char	first()
int	getBeginIndex()
int	getEndIndex()
int	getIndex()
char	last()
int	length()
char	next()
char	previous()
char	setIndex(int position)
CharSequence	subSequence(int start, int end)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.CharSequence

toString

Constructor Detail

DocumentCharacterIterator

public DocumentCharacterIterator(org.eclipse.jface.text.IDocument document)
                          throws org.eclipse.jface.text.BadLocationException

Creates an iterator for the entire document.

Parameters:

document - the document backing this iterator

Throws:

org.eclipse.jface.text.BadLocationException - if the indices are out of bounds

DocumentCharacterIterator

public DocumentCharacterIterator(org.eclipse.jface.text.IDocument document,
                         int first)
                          throws org.eclipse.jface.text.BadLocationException

Creates an iterator, starting at offset first.

Parameters:

document - the document backing this iterator

first - the first character to consider

Throws:

org.eclipse.jface.text.BadLocationException - if the indices are out of bounds

DocumentCharacterIterator

public DocumentCharacterIterator(org.eclipse.jface.text.IDocument document,
                         int first,
                         int last)
                          throws org.eclipse.jface.text.BadLocationException

Creates an iterator for the document contents from first (inclusive) to last (exclusive).

Parameters:

document - the document backing this iterator

first - the first character to consider

last - the last character index to consider

Throws:

org.eclipse.jface.text.BadLocationException - if the indices are out of bounds

Method Detail

first

public char first()

Specified by:

first in interface CharacterIterator

last

public char last()

Specified by:

last in interface CharacterIterator

current

public char current()

Specified by:

current in interface CharacterIterator

next

public char next()

Specified by:

next in interface CharacterIterator

previous

public char previous()

Specified by:

previous in interface CharacterIterator

setIndex

public char setIndex(int position)

Specified by:

setIndex in interface CharacterIterator

getBeginIndex

public int getBeginIndex()

Specified by:

getBeginIndex in interface CharacterIterator

getEndIndex

public int getEndIndex()

Specified by:

getEndIndex in interface CharacterIterator

getIndex

public int getIndex()

Specified by:

getIndex in interface CharacterIterator

clone

public Object clone()

Specified by:

clone in interface CharacterIterator

Overrides:

clone in class Object

length

public int length()

Specified by:

length in interface CharSequence

charAt

public char charAt(int index)

Note that, if the document is modified concurrently, this method may return CharacterIterator.DONE if a BadLocationException was thrown when accessing the backing document.

Specified by:

charAt in interface CharSequence

Parameters:

index -

Returns:

subSequence

public CharSequence subSequence(int start,
                       int end)

Specified by:

subSequence in interface CharSequence