org.jeditor.core

Class TextUtilities

java.lang.Object

org.jeditor.core.TextUtilities

public class TextUtilities
extends java.lang.Object

Class with several utility functions used by the text area component.

Constructor Summary

Constructors

Constructor and Description
TextUtilities()

Method Summary

Modifier and Type	Method and Description
static int	findMatchingBracket(javax.swing.text.Document 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	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.
static SyntaxDocument	getSyntaxDocument(java.lang.String text, java.lang.String syntax) Return a SyntaxDocument from a text.
static Word	getWord(SyntaxDocument document, int offset) Return the word corresponding to an offset in a SyntaxDocument.

Methods inherited from class java.lang.Object

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

Constructor Detail

TextUtilities

public TextUtilities()

Method Detail

findMatchingBracket

public static int findMatchingBracket(javax.swing.text.Document 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

Returns:

the offset

Throws:

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

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 - the String for elements which are not words

Returns:

the start of the word

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 - the String for elements which are not words

Returns:

the end of the word

getSyntaxDocument

public static SyntaxDocument getSyntaxDocument(java.lang.String text,
                                               java.lang.String syntax)

Return a SyntaxDocument from a text.

Parameters:

text - the text

syntax - the syntax

Returns:

the SyntaxDocument

getWord

public static Word getWord(SyntaxDocument document,
                           int offset)

Return the word corresponding to an offset in a SyntaxDocument.

Parameters:

document - the document

offset - the offset

Returns:

the word