net.morimekta.console

Class ConsoleUtil

java.lang.Object

net.morimekta.console.ConsoleUtil

public class ConsoleUtil
extends Object

Common character and console utilities. It can contain both standard unicode characters and unix console control sequences. Here also resides lots of helper methods related to calculating visible string length, that takes into account control sequences, non-width characters and double width characters.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TAB_WIDTH

Method Summary

Modifier and Type	Method and Description
static String	expandTabs(CharSequence string)
static String	expandTabs(CharSequence string, int tabWidth)
static String	expandTabs(CharSequence string, int tabWidth, int offset)
static int	printableWidth(CharSequence string) How many single-characters worth of console real-estate will be taken up by this string if printed.

Methods inherited from class java.lang.Object

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

Field Detail

TAB_WIDTH

public static final int TAB_WIDTH

See Also:

Constant Field Values

Method Detail

printableWidth

public static int printableWidth(CharSequence string)

How many single-characters worth of console real-estate will be taken up by this string if printed. Control characters will be ignored, and double-width characters (CJK) will count as 2 width each. Strings containing carriage movement, CR, LF, unexpanded tabs etc are not allowed, and will cause an IllegalArgumentException.

Parameters:

string - The string to measure.

Returns:

The printed width.

expandTabs

public static String expandTabs(CharSequence string)

expandTabs

public static String expandTabs(CharSequence string,
                                int tabWidth)

expandTabs

public static String expandTabs(CharSequence string,
                                int tabWidth,
                                int offset)