Package org.w3c.tidy

Class TidyUtils

java.lang.Object
org.w3c.tidy.TidyUtils
public final class TidyUtils extends Object
Utility class with handy methods, mainly for String handling or for reproducing c behaviours.
Version:
$Revision $ ($Author $)
Author:
Fabrizio Giustina

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    findBadSubString(String s, String p, int len)
    Return true if substring s is in p and isn't all in upper case.
    static char
    foldCase(char c, boolean tocaps, boolean xmlTags)
    Fold case of a char.
    static byte[]
    getBytes(String str)
    Should always be able convert to/from UTF-8, so encoding exceptions are converted to an Error to avoid adding throws declarations in lots of methods.
    static String
    getString(byte[] bytes, int offset, int length)
    Should always be able convert to/from UTF-8, so encoding exceptions are converted to an Error to avoid adding throws declarations in lots of methods.
    static boolean
    isCharEncodingSupported(String name)
    Is the given character encoding supported?
    static boolean
    isDigit(char c)
    Is the given char a digit?
    static boolean
    isLetter(char c)
    Is the given char a letter?
    static boolean
    isLower(char c)
    Determines if the specified character is a lowercase character.
    static boolean
    isNamechar(char c)
    Is the given char valid in name? (letter, digit or "-", ".", ":", "_")
    static boolean
    isUpper(char c)
    Determines if the specified character is a uppercase character.
    static boolean
    isWhite(char c)
    Determines if the specified character is whitespace.
    static int
    lastChar(String str)
    Return the last char in string.
    static char
    toLower(char c)
    Maps the given character to its lowercase equivalent.
    static char
    toUpper(char c)
    Maps the given character to its uppercase equivalent.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • findBadSubString

      public static boolean findBadSubString(String s, String p, int len)
      Return true if substring s is in p and isn't all in upper case. This is used to check the case of SYSTEM, PUBLIC, DTD and EN.
      Parameters:
      s - substring
      p - full string
      len - how many chars to check in p
      Returns:
      true if substring s is in p and isn't all in upper case

    • getBytes

      public static byte[] getBytes(String str)
      Should always be able convert to/from UTF-8, so encoding exceptions are converted to an Error to avoid adding throws declarations in lots of methods.
      Parameters:
      str - String
      Returns:
      utf8 bytes
      See Also:

    • getString

      public static String getString(byte[] bytes, int offset, int length)
      Should always be able convert to/from UTF-8, so encoding exceptions are converted to an Error to avoid adding throws declarations in lots of methods.
      Parameters:
      bytes - byte array
      offset - starting offset in byte array
      length - length in byte array starting from offset
      Returns:
      same as new String(bytes, offset, length, "UTF8")

    • lastChar

      public static int lastChar(String str)
      Return the last char in string. This is useful when trailing quotemark is missing on an attribute
      Parameters:
      str - String
      Returns:
      last char in String

    • isWhite

      public static boolean isWhite(char c)
      Determines if the specified character is whitespace.
      Parameters:
      c - char
      Returns:
      true if char is whitespace.

    • isDigit

      public static boolean isDigit(char c)
      Is the given char a digit?
      Parameters:
      c - char
      Returns:
      true if the given char is a digit

    • isLetter

      public static boolean isLetter(char c)
      Is the given char a letter?
      Parameters:
      c - char
      Returns:
      true if the given char is a letter

    • isNamechar

      public static boolean isNamechar(char c)
      Is the given char valid in name? (letter, digit or "-", ".", ":", "_")
      Parameters:
      c - char
      Returns:
      true if char is a name char.

    • isLower

      public static boolean isLower(char c)
      Determines if the specified character is a lowercase character.
      Parameters:
      c - char
      Returns:
      true if char is lower case.

    • isUpper

      public static boolean isUpper(char c)
      Determines if the specified character is a uppercase character.
      Parameters:
      c - char
      Returns:
      true if char is upper case.

    • toLower

      public static char toLower(char c)
      Maps the given character to its lowercase equivalent.
      Parameters:
      c - char
      Returns:
      lowercase char.

    • toUpper

      public static char toUpper(char c)
      Maps the given character to its uppercase equivalent.
      Parameters:
      c - char
      Returns:
      uppercase char.

    • foldCase

      public static char foldCase(char c, boolean tocaps, boolean xmlTags)
      Fold case of a char.
      Parameters:
      c - char
      tocaps - convert to caps
      xmlTags - use xml tags? If true no change will be performed
      Returns:
      folded char
      To Do:
      check the use of xmlTags parameter

    • isCharEncodingSupported

      public static boolean isCharEncodingSupported(String name)
      Is the given character encoding supported?
      Parameters:
      name - character encoding name
      Returns:
      true if encoding is supported, false otherwhise.