pro.fessional.mirana.text

Class FullCharUtil

java.lang.Object

pro.fessional.mirana.text.FullCharUtil

public class FullCharUtil
extends Object

Only Chinese truncation is supported. A non-ascii character has a width of 2, an ascii character has a width of 1.

Author:

trydofor

Constructor Summary

Constructors

Constructor and Description
FullCharUtil()

Method Summary

Modifier and Type	Method and Description
static int	countHalf(@Nullable CharSequence str)
static @NotNull String	leftCut(@Nullable CharSequence str, int count) From the left side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).
static @NotNull String	leftCut(@Nullable CharSequence str, int count, int off) From the offset on the left side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).
static @NotNull String	rightCut(@Nullable CharSequence str, int count) From the right side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).
static @NotNull String	rightCut(@Nullable CharSequence str, int count, int off) From the offset on the right side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).

Methods inherited from class java.lang.Object

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

Constructor Detail

FullCharUtil

public FullCharUtil()

Method Detail

leftCut

@NotNull
public static @NotNull String leftCut(@Nullable
                                               @Nullable CharSequence str,
                                               int count)

From the left side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).

See Also:

leftCut(CharSequence, int, int)

leftCut

@NotNull
public static @NotNull String leftCut(@Nullable
                                               @Nullable CharSequence str,
                                               int count,
                                               int off)

From the offset on the left side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).

Parameters:

str - the string

count - count of width

off - offset on the left

Returns:

left N width chars

rightCut

@NotNull
public static @NotNull String rightCut(@Nullable
                                                @Nullable CharSequence str,
                                                int count)

From the right side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).

rightCut

@NotNull
public static @NotNull String rightCut(@Nullable
                                                @Nullable CharSequence str,
                                                int count,
                                                int off)

From the offset on the right side, cut N width characters as new string (ascii counts as 1, non-ascii counts as 2).

Parameters:

str - the string

count - count of width

off - offset on the right.

Returns:

left N width chars

countHalf

public static int countHalf(@Nullable
                            @Nullable CharSequence str)