Package mars.venus.editor.jeditsyntax

Class SyntaxUtilities

java.lang.Object

mars.venus.editor.jeditsyntax.SyntaxUtilities

public class SyntaxUtilities
extends Object

Class with several utility functions used by jEdit's syntax colorizing subsystem.

Version:

$Id: SyntaxUtilities.java,v 1.9 1999/12/13 03:40:30 sp Exp $

Author:

Slava Pestov

Method Summary

Modifier and Type	Method	Description
static SyntaxStyle[]	getCurrentSyntaxStyles(Settings settings)	Returns the CURRENT style table.
static SyntaxStyle	getDefaultSyntaxStyle()	Returns the default style table.
static float	paintSyntaxLine(Segment line, Token tokens, SyntaxStyle[] styles, TabExpander expander, Graphics graphics, float x, float y)	Paints the specified line onto the graphics context.
static boolean	regionMatches(boolean ignoreCase, Segment text, int offset, char[] match)	Checks if a subregion of a Segment is equal to a character array.
static boolean	regionMatches(boolean ignoreCase, Segment text, int offset, String match)	Checks if a subregion of a Segment is equal to a string.

Methods inherited from class java.lang.Object

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

Method Details

regionMatches

public static boolean regionMatches(boolean ignoreCase,
 Segment text,
 int offset,
 String match)

Checks if a subregion of a Segment is equal to a string.

Parameters:

ignoreCase - True if case should be ignored, false otherwise

text - The segment

offset - The offset into the segment

match - The string to match

regionMatches

public static boolean regionMatches(boolean ignoreCase,
 Segment text,
 int offset,
 char[] match)

Checks if a subregion of a Segment is equal to a character array.

Parameters:

ignoreCase - True if case should be ignored, false otherwise

text - The segment

offset - The offset into the segment

match - The character array to match

getDefaultSyntaxStyle

public static SyntaxStyle getDefaultSyntaxStyle()

Returns the default style table. This can be passed to the setStyles() method of SyntaxDocument to use the default syntax styles.

getCurrentSyntaxStyles

public static SyntaxStyle[] getCurrentSyntaxStyles(Settings settings)

Returns the CURRENT style table. This can be passed to the setStyles() method of SyntaxDocument to use the current syntax styles. If changes have been made via the Settings menu, the current settings will not be the same as the default settings.

paintSyntaxLine

public static float paintSyntaxLine(Segment line,
 Token tokens,
 SyntaxStyle[] styles,
 TabExpander expander,
 Graphics graphics,
 float x,
 float y)

Paints the specified line onto the graphics context. Note that this method modifies the offset and count values of the segment.

Parameters:

line - The line segment.

tokens - The token list for the line.

styles - The syntax style list.

expander - The tab expander used to determine tab stops. May be null.

graphics - The graphics context.

x - The x coordinate.

y - The y coordinate.

Returns:

The x coordinate, plus the width of the painted string.