Module org.jruby.jcodings

Package org.jcodings

Class SingleByteEncoding

java.lang.Object

org.jcodings.Encoding

org.jcodings.SingleByteEncoding

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

ASCIIEncoding, CaseFoldMapEncoding, USASCIIEncoding

public abstract class SingleByteEncoding
extends Encoding

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	LowerCaseTable
static int	MAX_BYTE

Fields inherited from class org.jcodings.Encoding

CHAR_INVALID, isUnicode, isUTF8, maxLength, minLength, NEW_LINE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SingleByteEncoding(String name, short[] CTypeTable, byte[] LowerCaseTable)

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
int	caseMap(IntHolder flagP, byte[] bytes, IntHolder pp, int end, byte[] to, int toP, int toEnd)	Oniguruma equivalent: case_map
int	codeToMbc(int code, byte[] bytes, int p)	onigenc_single_byte_code_to_mbc
int	codeToMbcLength(int code)	onigenc_single_byte_code_to_mbclen
int[]	ctypeCodeRange(int ctype, IntHolder sbOut)	onigenc_not_support_get_ctype_code_range
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)	onigenc_always_true_is_allowed_reverse_match
int	leftAdjustCharHead(byte[] bytes, int p, int s, int end)	onigenc_single_byte_left_adjust_char_head
int	length(byte c)	onigenc_single_byte_mbc_enc_len
int	length(byte[] bytes, int p, int end)	Returns character length given stream, character position and stream end returns 1 for singlebyte encodings or performs sanity validations for multibyte ones and returns the character length, missing characters in the stream otherwise
int	mbcCaseFold(int flag, byte[] bytes, IntHolder pp, int end, byte[] lower)	onigenc_ascii_mbc_case_fold
int	mbcToCode(byte[] bytes, int p, int end)	onigenc_single_byte_mbc_to_code
int	propertyNameToCType(byte[] bytes, int p, int end)	onigenc_minimum_property_name_to_ctype notably overridden by unicode encodings
int	strCodeAt(byte[] bytes, int p, int end, int index)
int	strLength(byte[] bytes, int p, int end)

Methods inherited from class org.jcodings.Encoding

asciiToLower, asciiToUpper, 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, 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

MAX_BYTE

public static final int MAX_BYTE

See Also:

Constant Field Values

LowerCaseTable

protected final byte[] LowerCaseTable

Constructor Detail

SingleByteEncoding

protected SingleByteEncoding(String name,
                             short[] CTypeTable,
                             byte[] LowerCaseTable)

Method Detail

length

public int length(byte c)

onigenc_single_byte_mbc_enc_len

Specified by:

length in class Encoding

Parameters:

c - Character head Oniguruma equivalent: mbc_enc_len To be deprecated very soon (use length(byte[]bytes, int p, int end) version)

length

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

Description copied from class: Encoding

Returns character length given stream, character position and stream end returns 1 for singlebyte encodings or performs sanity validations for multibyte ones and returns the character length, missing characters in the stream otherwise

Specified by:

length in class Encoding

Returns:

0 Never > 0 Valid character, length returned -1 Illegal/malformed character < -1 (-1 - n) Number of missing bytes for character in p...end range Oniguruma equivalent: mbc_enc_len modified for 1.9 purposes,

strLength

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

Specified by:

strLength in class Encoding

strCodeAt

public int strCodeAt(byte[] bytes,
                     int p,
                     int end,
                     int index)

Specified by:

strCodeAt in class Encoding

caseMap

public int caseMap(IntHolder flagP,
                   byte[] bytes,
                   IntHolder pp,
                   int end,
                   byte[] to,
                   int toP,
                   int toEnd)

Description copied from class: Encoding

Oniguruma equivalent: case_map

Specified by:

caseMap in class Encoding

mbcToCode

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

onigenc_single_byte_mbc_to_code

Specified by:

mbcToCode in class Encoding

codeToMbcLength

public int codeToMbcLength(int code)

onigenc_single_byte_code_to_mbclen

Specified by:

codeToMbcLength in class Encoding

codeToMbc

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

onigenc_single_byte_code_to_mbc

Specified by:

codeToMbc in class Encoding

Returns:

character length for the given code point Oniguruma equivalent: code_to_mbc

ctypeCodeRange

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

onigenc_not_support_get_ctype_code_range

Specified by:

ctypeCodeRange in class Encoding

leftAdjustCharHead

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

onigenc_single_byte_left_adjust_char_head

Specified by:

leftAdjustCharHead in class Encoding

Parameters:

bytes - byte stream

p - position

s - stop

end - end

isReverseMatchAllowed

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

onigenc_always_true_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