Package org.jcodings.specific

Class BaseUTF8Encoding

java.lang.Object

org.jcodings.Encoding

org.jcodings.AbstractEncoding

org.jcodings.MultiByteEncoding

org.jcodings.unicode.UnicodeEncoding

org.jcodings.specific.BaseUTF8Encoding

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

NonStrictUTF8Encoding, UTF8Encoding

abstract class BaseUTF8Encoding
extends UnicodeEncoding

Field Summary

Fields

Modifier and Type	Field	Description
private static int	INVALID_CODE_FE
private static int	INVALID_CODE_FF
(package private) static boolean	USE_INVALID_CODE_SCHEME
private static int	VALID_CODE_LIMIT

Fields inherited from class org.jcodings.MultiByteEncoding

A, EncLen, F, Trans, TransZero

Fields inherited from class org.jcodings.Encoding

CHAR_INVALID, isUnicode, isUTF8, maxLength, minLength, NEW_LINE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BaseUTF8Encoding(int[] EncLen, int[][] Trans)

Method Summary

Modifier and Type	Method	Description
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)	utf8_get_ctype_code_range
java.lang.String	getCharsetName()	The name of the equivalent Java Charset for this encoding.
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)	onigenc_always_true_is_allowed_reverse_match
int	leftAdjustCharHead(byte[] bytes, int p, int s, int end)	utf8_left_adjust_char_head
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
(package private) static byte	trail0(int code)
(package private) static byte	trailS(int code, int shift)
private static boolean	utf8IsLead(int c)

Methods inherited from class org.jcodings.unicode.UnicodeEncoding

applyAllCaseFold, caseFoldCodesByString, caseMap, ctypeCodeRange, isCodeCType, isInCodeRange, propertyNameToCType

Methods inherited from class org.jcodings.MultiByteEncoding

isInRange, length, lengthForTwoUptoFour, mb2CodeToMbc, mb2CodeToMbcLength, mb2IsCodeCType, mb4CodeToMbc, mb4CodeToMbcLength, mb4IsCodeCType, mbnMbcCaseFold, mbnMbcToCode, missing, missing, safeLengthForUptoFour, safeLengthForUptoThree, safeLengthForUptoTwo, strCodeAt, strLength

Methods inherited from class org.jcodings.AbstractEncoding

asciiApplyAllCaseFold, asciiCaseFoldCodesByString, asciiMbcCaseFold, isCodeCTypeInternal

Methods inherited from class org.jcodings.Encoding

asciiToLower, asciiToUpper, digitVal, equals, getCharset, getIndex, getName, hashCode, isAlnum, isAlpha, isAscii, isAscii, isAsciiCompatible, isBlank, isCntrl, isDigit, isDummy, isFixedWidth, isGraph, isLower, isMbcAscii, isMbcCrnl, isMbcHead, isMbcWord, isNewLine, isPrint, isPunct, isSbWord, isSingleByte, isSpace, isUnicode, isUpper, isUTF8, isWord, isWordGraphPrint, isXDigit, length, load, load, maxLength, maxLengthDistance, mbcodeStartPosition, minLength, odigitVal, prevCharHead, rightAdjustCharHead, rightAdjustCharHeadWithPrev, setDummy, setName, setName, step, stepBack, strByteLengthNull, strLengthNull, strNCmp, toLowerCaseTable, toString, xdigitVal

Methods inherited from class java.lang.Object

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

Field Detail

USE_INVALID_CODE_SCHEME

static final boolean USE_INVALID_CODE_SCHEME

See Also:

Constant Field Values

INVALID_CODE_FE

private static final int INVALID_CODE_FE

See Also:

Constant Field Values

INVALID_CODE_FF

private static final int INVALID_CODE_FF

See Also:

Constant Field Values

VALID_CODE_LIMIT

private static final int VALID_CODE_LIMIT

See Also:

Constant Field Values

Constructor Detail

BaseUTF8Encoding

protected BaseUTF8Encoding(int[] EncLen,
                           int[][] Trans)

Method Detail

getCharsetName

public java.lang.String getCharsetName()

Description copied from class: Encoding

The name of the equivalent Java Charset for this encoding. Defaults to the name of the encoding. Subclasses can override this to provide a different name.

Overrides:

getCharsetName in class UnicodeEncoding

Returns:

the name of the equivalent Java Charset for this encoding

isNewLine

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

Description copied from class: AbstractEncoding

onigenc_is_mbc_newline_0x0a / used also by multibyte encodings

Overrides:

isNewLine in class AbstractEncoding

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

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

trailS

static byte trailS(int code,
                   int shift)

trail0

static byte trail0(int code)

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)

Description copied from class: AbstractEncoding

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)

utf8_get_ctype_code_range

Specified by:

ctypeCodeRange in class Encoding

utf8IsLead

private static boolean utf8IsLead(int c)

leftAdjustCharHead

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

utf8_left_adjust_char_head

Specified by:

leftAdjustCharHead in class Encoding

Parameters:

bytes - byte stream

p - position

s - stop

end - end

isReverseMatchAllowed

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

onigenc_always_true_is_allowed_reverse_match

Specified by:

isReverseMatchAllowed in class Encoding