org.jcodings.specific
Class ASCIIEncoding

java.lang.Object
  org.jcodings.Encoding
      org.jcodings.SingleByteEncoding
          org.jcodings.specific.ASCIIEncoding

All Implemented Interfaces:

Cloneable

public final class ASCIIEncoding
extends SingleByteEncoding

Field Summary

static ASCIIEncoding	DUMMY
protected static CaseFoldCodeItem[]	EMPTY_FOLD_CODES
static ASCIIEncoding	INSTANCE

Fields inherited from class org.jcodings.SingleByteEncoding

LowerCaseTable

Fields inherited from class org.jcodings.Encoding

CHAR_INVALID, hashCode, isAsciiCompatible, isDummy, isFixedWidth, isSingleByte, maxLength, minLength, name, NEW_LINE

Constructor Summary

protected	ASCIIEncoding()
protected	ASCIIEncoding(boolean isDummy)

Method Summary

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
boolean	isCodeCType(int code, int ctype) ascii_is_code_ctype / ONIGENC_IS_ASCII_CODE_CTYPE
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
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
byte[]	toLowerCaseTable() Returns lower case table if it's safe to use it directly, otherwise null Used for fast case insensitive matching for some singlebyte encodings

Methods inherited from class org.jcodings.SingleByteEncoding

codeToMbc, codeToMbcLength, ctypeCodeRange, isReverseMatchAllowed, leftAdjustCharHead, length, length, mbcToCode, strCodeAt, strLength

Methods inherited from class org.jcodings.Encoding

asciiToLower, asciiToUpper, digitVal, equals, 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, isUpper, isWord, isWordGraphPrint, isXDigit, load, maxLength, maxLengthDistance, mbcodeStartPosition, minLength, odigitVal, prevCharHead, replicate, rightAdjustCharHead, rightAdjustCharHeadWithPrev, setName, setName, step, stepBack, strByteLengthNull, strLengthNull, strNCmp, toString, xdigitVal

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final ASCIIEncoding INSTANCE

DUMMY

public static final ASCIIEncoding DUMMY

EMPTY_FOLD_CODES

protected static final CaseFoldCodeItem[] EMPTY_FOLD_CODES

Constructor Detail

ASCIIEncoding

protected ASCIIEncoding()

ASCIIEncoding

protected ASCIIEncoding(boolean isDummy)

Method Detail

toLowerCaseTable

public final byte[] toLowerCaseTable()

Description copied from class: Encoding

Returns lower case table if it's safe to use it directly, otherwise null Used for fast case insensitive matching for some singlebyte encodings

Overrides:

toLowerCaseTable in class Encoding

Returns:

lower case table

isCodeCType

public boolean isCodeCType(int code,
                           int ctype)

ascii_is_code_ctype / ONIGENC_IS_ASCII_CODE_CTYPE

Specified by:

isCodeCType in class Encoding

Parameters:

code - a code point of a character

ctype - a character type to check against Oniguruma equivalent: is_code_ctype

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