org.joni.encoding.specific
Class UTF32BEEncoding

java.lang.Object
  org.joni.encoding.Encoding
      org.joni.encoding.MultiByteEncoding
          org.joni.encoding.unicode.UnicodeEncoding
              org.joni.encoding.specific.UTF32BEEncoding

public final class UTF32BEEncoding
extends UnicodeEncoding

Field Summary

protected static int[][]	AsciiLowerMap
static byte[]	AsciiToLowerCaseTable
static byte[]	AsciiToUpperCaseTable
protected static CaseFoldCodeItem[]	EMPTY_FOLD_CODES
static UTF32BEEncoding	INSTANCE

Fields inherited from class org.joni.encoding.MultiByteEncoding

EncLen

Fields inherited from class org.joni.encoding.Encoding

hashCode, name, NEW_LINE

Constructor Summary

protected

UTF32BEEncoding()

Method Summary

protected void	asciiApplyAllCaseFold(int flag, ApplyAllCaseFoldFunction fun, java.lang.Object arg)
protected CaseFoldCodeItem[]	asciiCaseFoldCodesByString(int flag, byte[] bytes, int p, int end)
protected int	asciiMbcCaseFold(int flag, byte[] bytes, IntHolder pp, int end, byte[] lower)
int	codeToMbc(int code, byte[] bytes, int p) Extracts code point into it's multibyte representation
int	codeToMbcLength(int code) Returns character length given a code point Oniguruma equivalent: code_to_mbclen
int[]	ctypeCodeRange(int ctype, IntHolder sbOut) onigenc_utf16_32_get_ctype_code_range
protected boolean	isCodeCTypeInternal(int code, int ctype) ONIGENC_IS_XXXXXX_CODE_CTYPE
boolean	isFixedWidth()
boolean	isNewLine(byte[] bytes, int p, int end) onigenc_is_mbc_newline_0x0a / used also by multibyte encodings
boolean	isReverseMatchAllowed(byte[] bytes, int p, int end) Returns true if it's safe to use reversal Boyer-Moore search fail fast algorithm Oniguruma equivalent: is_allowed_reverse_match
int	leftAdjustCharHead(byte[] bytes, int p, int end) Seeks the previous character head in a stream Oniguruma equivalent: left_adjust_char_head
int	length(byte c) Returns character length given the character head returns 1 for singlebyte encodings or performs direct length table lookup for multibyte ones.
int	maxLength() Returns maximum character byte length that can appear in an encoding Oniguruma equivalent: max_enc_len
int	mbcCaseFold(int flag, byte[] bytes, IntHolder pp, int end, byte[] fold) onigenc_ascii_mbc_case_fold
int	mbcToCode(byte[] bytes, int p, int end) Returns code point for a character Oniguruma equivalent: mbc_to_code
int	minLength() Returns minimum character byte length that can appear in an encoding Oniguruma equivalent: min_enc_len
int	strLength(byte[] bytes, int p, int end)
java.lang.String	toString()

Methods inherited from class org.joni.encoding.unicode.UnicodeEncoding

applyAllCaseFold, caseFoldCodesByString, ctypeCodeRange, isCodeCType, propertyNameToCType

Methods inherited from class org.joni.encoding.MultiByteEncoding

isSingleByte, mb2CodeToMbc, mb2CodeToMbcLength, mb2IsCodeCType, mb4CodeToMbc, mb4CodeToMbcLength, mb4IsCodeCType, mbnMbcCaseFold, mbnMbcToCode

Methods inherited from class org.joni.encoding.Encoding

asciiToLower, asciiToUpper, digitVal, equals, getName, hashCode, isAlnum, isAlpha, isAscii, isBlank, isCntrl, isDigit, isGraph, isLower, isMbcAscii, isMbcCrnl, isMbcHead, isMbcWord, isNewLine, isPrint, isPunct, isSbWord, isSpace, isUpper, isWord, isWordGraphPrint, isXDigit, maxLengthDistance, mbcodeStartPosition, odigitVal, prevCharHead, rightAdjustCharHead, rightAdjustCharHeadWithPrev, step, stepBack, strByteLengthNull, strLengthNull, strNCmp, toLowerCaseTable, xdigitVal

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static UTF32BEEncoding INSTANCE

AsciiToLowerCaseTable

public static final byte[] AsciiToLowerCaseTable

AsciiToUpperCaseTable

public static final byte[] AsciiToUpperCaseTable

AsciiLowerMap

protected static final int[][] AsciiLowerMap

EMPTY_FOLD_CODES

protected static final CaseFoldCodeItem[] EMPTY_FOLD_CODES

Constructor Detail

UTF32BEEncoding

protected UTF32BEEncoding()

Method Detail

length

public int length(byte c)

Description copied from class: Encoding

Returns character length given the character head returns 1 for singlebyte encodings or performs direct length table lookup for multibyte ones.

Overrides:

length in class MultiByteEncoding

Parameters:

c - Character head Oniguruma equivalent: mbc_enc_len

strLength

public int strLength(byte[] bytes,
                     int p,
                     int end)

Overrides:

strLength in class Encoding

toString

public java.lang.String toString()

Specified by:

toString in class Encoding

maxLength

public int maxLength()

Description copied from class: Encoding

Returns maximum character byte length that can appear in an encoding Oniguruma equivalent: max_enc_len

Specified by:

maxLength in class Encoding

minLength

public int minLength()

Description copied from class: Encoding

Returns minimum character byte length that can appear in an encoding Oniguruma equivalent: min_enc_len

Specified by:

minLength in class Encoding

isFixedWidth

public boolean isFixedWidth()

Specified by:

isFixedWidth in class Encoding

isNewLine

public boolean isNewLine(byte[] bytes,
                         int p,
                         int end)

onigenc_is_mbc_newline_0x0a / used also by multibyte encodings

mbcToCode

public int mbcToCode(byte[] bytes,
                     int p,
                     int end)

Description copied from class: Encoding

Returns code point for a character Oniguruma equivalent: mbc_to_code

Specified by:

mbcToCode in class Encoding

codeToMbcLength

public int codeToMbcLength(int code)

Description copied from class: Encoding

Returns character length given a code point Oniguruma equivalent: code_to_mbclen

Specified by:

codeToMbcLength in class Encoding

codeToMbc

public int codeToMbc(int code,
                     byte[] bytes,
                     int p)

Description copied from class: Encoding

Extracts code point into it's multibyte representation

Specified by:

codeToMbc in class Encoding

Returns:

character length for the given code point Oniguruma equivalent: code_to_mbc

mbcCaseFold

public int mbcCaseFold(int flag,
                       byte[] bytes,
                       IntHolder pp,
                       int end,
                       byte[] fold)

onigenc_ascii_mbc_case_fold

Overrides:

mbcCaseFold in class UnicodeEncoding

Parameters:

flag - case fold flag

pp - an IntHolder that points at character head

fold - a buffer where to extract case folded character Oniguruma equivalent: mbc_case_fold

ctypeCodeRange

public int[] ctypeCodeRange(int ctype,
                            IntHolder sbOut)

onigenc_utf16_32_get_ctype_code_range

Specified by:

ctypeCodeRange in class Encoding

leftAdjustCharHead

public int leftAdjustCharHead(byte[] bytes,
                              int p,
                              int end)

Description copied from class: Encoding

Seeks the previous character head in a stream Oniguruma equivalent: left_adjust_char_head

Specified by:

leftAdjustCharHead in class Encoding

isReverseMatchAllowed

public boolean isReverseMatchAllowed(byte[] bytes,
                                     int p,
                                     int end)

Description copied from class: Encoding

Returns true if it's safe to use reversal Boyer-Moore search fail fast algorithm Oniguruma equivalent: is_allowed_reverse_match

Specified by:

isReverseMatchAllowed in class Encoding

isCodeCTypeInternal

protected final boolean isCodeCTypeInternal(int code,
                                            int ctype)

ONIGENC_IS_XXXXXX_CODE_CTYPE

asciiMbcCaseFold

protected final int asciiMbcCaseFold(int flag,
                                     byte[] bytes,
                                     IntHolder pp,
                                     int end,
                                     byte[] lower)

asciiApplyAllCaseFold

protected final void asciiApplyAllCaseFold(int flag,
                                           ApplyAllCaseFoldFunction fun,
                                           java.lang.Object arg)

asciiCaseFoldCodesByString

protected final CaseFoldCodeItem[] asciiCaseFoldCodesByString(int flag,
                                                              byte[] bytes,
                                                              int p,
                                                              int end)