Package org.springframework.shell.test.jediterm.terminal.util

Class CharUtils

java.lang.Object

org.springframework.shell.test.jediterm.terminal.util.CharUtils

public class CharUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CharUtils.CharacterType

Field Summary

Fields

Modifier and Type	Field	Description
static final char	DWC
static final char	EMPTY_CHAR
static final char	NUL_CHAR
static byte[]	VT102_RESPONSE

Method Summary

Modifier and Type	Method	Description
static void	appendBuf(StringBuilder sb, char[] bs, int begin, int length)
static CharUtils.CharacterType	appendChar(StringBuilder sb, CharUtils.CharacterType last, char c)
static int	countDoubleWidthCharacters(char[] buf, int start, int length, boolean ambiguousIsDWC)
static String	getNonControlCharacters(int maxChars, char[] buf, int offset, int charsLength)
static int	getTextLengthDoubleWidthAware(char[] buffer, int start, int length, boolean ambiguousIsDWC)	Computes text length as sum of characters length, treating double-width(full-width) characters as 2, normal-width(half-width) as 1 (Read http://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms)
static CharBuffer	heavyDecCompatibleBuffer(CharBuffer buf)
static boolean	isDoubleWidthCharacter(int c, boolean ambiguousIsDWC)
static byte[]	makeCode(int... bytesAsInt)
static String	toHumanReadableText(String escapeSequence)

Methods inherited from class java.lang.Object

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

Field Details

NUL_CHAR

public static final char NUL_CHAR

See Also:

• Constant Field Values

EMPTY_CHAR

public static final char EMPTY_CHAR

See Also:

• Constant Field Values

DWC

public static final char DWC

See Also:

• Constant Field Values

VT102_RESPONSE

public static byte[] VT102_RESPONSE

Method Details

getNonControlCharacters

public static String getNonControlCharacters(int maxChars,
 char[] buf,
 int offset,
 int charsLength)

countDoubleWidthCharacters

public static int countDoubleWidthCharacters(char[] buf,
 int start,
 int length,
 boolean ambiguousIsDWC)

appendChar

public static CharUtils.CharacterType appendChar(StringBuilder sb,
 CharUtils.CharacterType last,
 char c)

appendBuf

public static void appendBuf(StringBuilder sb,
 char[] bs,
 int begin,
 int length)

makeCode

public static byte[] makeCode(int... bytesAsInt)

getTextLengthDoubleWidthAware

public static int getTextLengthDoubleWidthAware(char[] buffer,
 int start,
 int length,
 boolean ambiguousIsDWC)

Computes text length as sum of characters length, treating double-width(full-width) characters as 2, normal-width(half-width) as 1 (Read http://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms)

isDoubleWidthCharacter

public static boolean isDoubleWidthCharacter(int c,
 boolean ambiguousIsDWC)

heavyDecCompatibleBuffer

public static CharBuffer heavyDecCompatibleBuffer(CharBuffer buf)

toHumanReadableText

public static String toHumanReadableText(String escapeSequence)