Module org.jruby.jcodings

Package org.jcodings

Class CanBeTrailTableEncoding

java.lang.Object

org.jcodings.Encoding

org.jcodings.MultiByteEncoding

org.jcodings.CanBeTrailTableEncoding

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

BaseBIG5Encoding, CP949Encoding, GBKEncoding, NonStrictSJISEncoding, SJISEncoding, Windows_31JEncoding

public abstract class CanBeTrailTableEncoding
extends MultiByteEncoding

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean[]	CanBeTrailTable

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	CanBeTrailTableEncoding(String name, int minLength, int maxLength, int[] EncLen, int[][] Trans, short[] CTypeTable, boolean[] CanBeTrailTable)

Method Summary

Modifier and Type	Method	Description
void	applyAllCaseFold(int flag, ApplyAllCaseFoldFunction fun, Object arg)	onigenc_ascii_apply_all_case_fold / used also by multibyte encodings
protected void	asciiApplyAllCaseFold(int flag, ApplyAllCaseFoldFunction fun, 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)
CaseFoldCodeItem[]	caseFoldCodesByString(int flag, byte[] bytes, int p, int end)	onigenc_ascii_get_case_fold_codes_by_str / used also by multibyte encodings
protected boolean	isCodeCTypeInternal(int code, int ctype)	ONIGENC_IS_XXXXXX_CODE_CTYPE
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 s, int end)	Seeks the previous character head in a stream Oniguruma equivalent: left_adjust_char_head
int	mbcCaseFold(int flag, byte[] bytes, IntHolder pp, int end, byte[] lower)	onigenc_ascii_mbc_case_fold
int	propertyNameToCType(byte[] bytes, int p, int end)	onigenc_minimum_property_name_to_ctype notably overridden by unicode encodings

Methods inherited from class org.jcodings.MultiByteEncoding

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

Methods inherited from class org.jcodings.Encoding

asciiToLower, asciiToUpper, codeToMbc, codeToMbcLength, ctypeCodeRange, digitVal, equals, getCharset, getCharsetName, getIndex, getName, hashCode, isAlnum, isAlpha, isAscii, isAscii, isAsciiCompatible, isBlank, isCntrl, isCodeCType, isDigit, isDummy, isFixedWidth, isGraph, isLower, isMbcAscii, isMbcCrnl, isMbcHead, isMbcWord, isNewLine, isPrint, isPunct, isSbWord, isSingleByte, isSpace, isUnicode, isUpper, isUTF8, isWord, isWordGraphPrint, isXDigit, length, load, maxLength, maxLengthDistance, mbcodeStartPosition, mbcToCode, 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

CanBeTrailTable

protected final boolean[] CanBeTrailTable

Constructor Detail

CanBeTrailTableEncoding

protected CanBeTrailTableEncoding(String name,
                                  int minLength,
                                  int maxLength,
                                  int[] EncLen,
                                  int[][] Trans,
                                  short[] CTypeTable,
                                  boolean[] CanBeTrailTable)

Method Detail

leftAdjustCharHead

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

Parameters:

bytes - byte stream

p - position

s - stop

end - end

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

isNewLine

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

onigenc_is_mbc_newline_0x0a / used also by multibyte encodings

Specified by:

isNewLine in class Encoding

asciiMbcCaseFold

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

mbcCaseFold

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

onigenc_ascii_mbc_case_fold

Specified by:

mbcCaseFold in class Encoding

Parameters:

flag - case fold flag

pp - an IntHolder that points at character head

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

asciiApplyAllCaseFold

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

applyAllCaseFold

public void applyAllCaseFold(int flag,
                             ApplyAllCaseFoldFunction fun,
                             Object arg)

onigenc_ascii_apply_all_case_fold / used also by multibyte encodings

Specified by:

applyAllCaseFold in class Encoding

Parameters:

flag - case fold flag

fun - case folding functor (look at: ApplyCaseFold)

arg - case folding functor argument (look at: ApplyCaseFoldArg) Oniguruma equivalent: apply_all_case_fold

asciiCaseFoldCodesByString

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

caseFoldCodesByString

public CaseFoldCodeItem[] caseFoldCodesByString(int flag,
                                                byte[] bytes,
                                                int p,
                                                int end)

onigenc_ascii_get_case_fold_codes_by_str / used also by multibyte encodings

Specified by:

caseFoldCodesByString in class Encoding

propertyNameToCType

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

onigenc_minimum_property_name_to_ctype notably overridden by unicode encodings

Specified by:

propertyNameToCType in class Encoding