java.lang.Object
org.jcodings.Encoding
org.jcodings.AbstractEncoding
org.jcodings.MultiByteEncoding
org.jcodings.unicode.UnicodeEncoding
org.jcodings.unicode.FixedWidthUnicodeEncoding
- All Implemented Interfaces:
Cloneable
- Direct Known Subclasses:
UTF32BEEncoding
,UTF32LEEncoding
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Nested Class Summary
Nested classes/interfaces inherited from class org.jcodings.unicode.UnicodeEncoding
UnicodeEncoding.CTypeName
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Field Summary
FieldsFields inherited from class org.jcodings.unicode.UnicodeEncoding
CASE_MAPPING_SLACK, DOT_ABOVE, DOTLESS_i, I_WITH_DOT_ABOVE, UNICODE_ISO_8859_1_CTypeTable
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionfinal int
codeToMbcLength
(int code) Returns character length given a code point Oniguruma equivalent:code_to_mbclen
final int[]
ctypeCodeRange
(int ctype, IntHolder sbOut) onigenc_utf16_32_get_ctype_code_rangefinal 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
final int
leftAdjustCharHead
(byte[] bytes, int p, int s, int end) Seeks the previous character head in a stream Oniguruma equivalent:left_adjust_char_head
final int
length
(byte c) Returns character length given character head returns1
for singlebyte encodings or performs direct length table lookup for multibyte ones.int
length
(byte[] bytes, int p, int e) Returns character length given stream, character position and stream end returns1
for singlebyte encodings or performs sanity validations for multibyte ones and returns the character length, missing characters in the stream otherwiseprivate static int
log2
(int n) final int
strCodeAt
(byte[] bytes, int p, int end, int index) final int
strLength
(byte[] bytes, int p, int end) Methods inherited from class org.jcodings.unicode.UnicodeEncoding
applyAllCaseFold, caseFoldCodesByString, caseMap, ctypeCodeRange, getCharsetName, isCodeCType, isInCodeRange, mbcCaseFold, propertyNameToCType
Methods inherited from class org.jcodings.MultiByteEncoding
isInRange, lengthForTwoUptoFour, mb2CodeToMbc, mb2CodeToMbcLength, mb2IsCodeCType, mb4CodeToMbc, mb4CodeToMbcLength, mb4IsCodeCType, mbnMbcCaseFold, mbnMbcToCode, missing, missing, safeLengthForUptoFour, safeLengthForUptoThree, safeLengthForUptoTwo
Methods inherited from class org.jcodings.AbstractEncoding
asciiApplyAllCaseFold, asciiCaseFoldCodesByString, asciiMbcCaseFold, isCodeCTypeInternal, isNewLine
Methods inherited from class org.jcodings.Encoding
asciiToLower, asciiToUpper, codeToMbc, 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, load, load, maxLength, maxLengthDistance, mbcodeStartPosition, mbcToCode, minLength, odigitVal, prevCharHead, rightAdjustCharHead, rightAdjustCharHeadWithPrev, setDummy, setName, setName, step, stepBack, strByteLengthNull, strLengthNull, strNCmp, toLowerCaseTable, toString, xdigitVal
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Field Details
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shift
protected final int shift
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Constructor Details
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FixedWidthUnicodeEncoding
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Method Details
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length
public final int length(byte c) Description copied from class:Encoding
Returns character length given character head returns1
for singlebyte encodings or performs direct length table lookup for multibyte ones.- Overrides:
length
in classMultiByteEncoding
- Parameters:
c
- Character head Oniguruma equivalent:mbc_enc_len
To be deprecated very soon (use length(byte[]bytes, int p, int end) version)
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length
public int length(byte[] bytes, int p, int e) Description copied from class:Encoding
Returns character length given stream, character position and stream end returns1
for singlebyte encodings or performs sanity validations for multibyte ones and returns the character length, missing characters in the stream otherwise -
strLength
public final int strLength(byte[] bytes, int p, int end) - Overrides:
strLength
in classMultiByteEncoding
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strCodeAt
public final int strCodeAt(byte[] bytes, int p, int end, int index) - Overrides:
strCodeAt
in classMultiByteEncoding
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codeToMbcLength
public final 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 classEncoding
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ctypeCodeRange
onigenc_utf16_32_get_ctype_code_range- Specified by:
ctypeCodeRange
in classEncoding
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leftAdjustCharHead
public final 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 classEncoding
- Parameters:
bytes
- byte streamp
- positions
- stopend
- end
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isReverseMatchAllowed
public final 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 classEncoding
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log2
private static int log2(int n)
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