Module com.github.sttk.linebreak
Package com.github.sttk.linebreak

Class Unicode

java.lang.Object
com.github.sttk.linebreak.Unicode
public final class Unicode extends Object
Unicode is the class that provides static methods to operate or check Unicode characters or texts.

  • Method Summary

    Modifier and Type
    Method
    Description
    static int
    getCodepointWidth(int codepoint)
    Returns the display width of the specified Unicode codepoiot.
    static int
    getTextWidth(String text)
    Returns the display width of the specified Unicode text.
    static boolean
    isPrint(int codepoint)
    Checks whether the specified codepoint is one of the printable characters that includes letters, marks, numbers, punctuations, symbols from Unicode categories L, M, N, P, S, and the ASCII space character,
    static boolean
    isSpace(int codepoint)
    Checks whether the specified codepoint is a space character as defined by Unicode's White Space property.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • isSpace

      public static boolean isSpace(int codepoint)
      Checks whether the specified codepoint is a space character as defined by Unicode's White Space property.
      Parameters:
      codepoint - An Unicode codepoint.
      Returns:
      True, if the codepoint is a space character.

    • isPrint

      public static boolean isPrint(int codepoint)
      Checks whether the specified codepoint is one of the printable characters that includes letters, marks, numbers, punctuations, symbols from Unicode categories L, M, N, P, S, and the ASCII space character,
      Parameters:
      codepoint - An Unicode codepoint.
      Returns:
      True, if the codepoint is a printable character.

    • getCodepointWidth

      public static int getCodepointWidth(int codepoint)
      Returns the display width of the specified Unicode codepoiot. A display width is determined by the Unicode Standard Annex #11 (UAX11) East-Asian-Width.
      Parameters:
      codepoint - An Unicode codepoint.
      Returns:
      A codepoint display width.

    • getTextWidth

      public static int getTextWidth(String text)
      Returns the display width of the specified Unicode text. The display width is calculated by taking into account the letter width determined by the Unicode Standard Annex #11 (UAX11) East-Asian-Width.
      Parameters:
      text - A text of which the width is calculated.
      Returns:
      A text display width.