org.gjt.sp.jedit.textarea
Class TextUtilities

java.lang.Object
  org.gjt.sp.jedit.textarea.TextUtilities

public class TextUtilities

extends java.lang.Object

Class with several utility functions used by the text area component. This is a special version based on v 1.8 adapted by Matt Benson for Jext.

Version:

$Id: TextUtilities.java,v 1.1.1.1 2001/08/20 22:32:16 gfx Exp $

Author:

Slava Pestov, Matt Benson

Field Summary

static int	BACKWARD
static java.lang.String	BRACKETS
static int	FORWARD

Constructor Summary

TextUtilities()

Method Summary

static int	findMatchingBracket(SyntaxDocument doc, int offset) Returns the offset of the bracket matching the one at the specified offset of the document, or -1 if the bracket is unmatched (or if the character is not a bracket).
static int	findTypeChange(java.lang.String line, int pos, int direction) Locates the next character type change searching in the specified direction.
static int	findWordEnd(java.lang.String line, int pos, java.lang.String noWordSep) Locates the end of the word at the specified position.
static int	findWordStart(java.lang.String line, int pos, java.lang.String noWordSep) Locates the start of the word at the specified position.

Methods inherited from class java.lang.Object

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

Field Detail

BRACKETS

public static final java.lang.String BRACKETS

See Also:

Constant Field Values

FORWARD

public static final int FORWARD

See Also:

Constant Field Values

BACKWARD

public static final int BACKWARD

See Also:

Constant Field Values

Constructor Detail

TextUtilities

public TextUtilities()

Method Detail

findMatchingBracket

public static int findMatchingBracket(SyntaxDocument doc,
                                      int offset)
                               throws javax.swing.text.BadLocationException

Returns the offset of the bracket matching the one at the specified offset of the document, or -1 if the bracket is unmatched (or if the character is not a bracket).

Parameters:

doc - The document

offset - The offset

Throws:

javax.swing.text.BadLocationException - If an out-of-bounds access was attempted on the document text

Since:

jEdit 3.0pre1

findWordStart

public static int findWordStart(java.lang.String line,
                                int pos,
                                java.lang.String noWordSep)

Locates the start of the word at the specified position.

Parameters:

line - The text

pos - The position

noWordSep - Characters that are non-alphanumeric, but should be treated as word characters anyway

findWordEnd

public static int findWordEnd(java.lang.String line,
                              int pos,
                              java.lang.String noWordSep)

Locates the end of the word at the specified position.

Parameters:

line - The text

pos - The position

noWordSep - Characters that are non-alphanumeric, but should be treated as word characters anyway

findTypeChange

public static int findTypeChange(java.lang.String line,
                                 int pos,
                                 int direction)

Locates the next character type change searching in the specified direction. Included for use with Jext's CsWord Action.

Parameters:

line - The text.

pos - The position.

direction - The direction in which the search should be made.