| /* |
| ******************************************************************************* |
| * |
| * Copyright (C) 1998-2001, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ******************************************************************************* |
| * |
| * Private implementation header for C collation |
| * file name: ucol_imp.h |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * created on: 2000dec11 |
| * created by: Vladimir Weinstein |
| * |
| * Modification history |
| * Date Name Comments |
| * 02/16/2001 synwee Added UCOL_GETPREVCE for the use in ucoleitr |
| * 02/27/2001 synwee Added getMaxExpansion data structure in UCollator |
| * 03/02/2001 synwee Added UCOL_IMPLICIT_CE |
| * 03/12/2001 synwee Added pointer start to collIterate. |
| */ |
| |
| #ifndef UCOL_IMP_H |
| #define UCOL_IMP_H |
| |
| #include "unicode/ucol.h" |
| #include "ucmp32.h" |
| #include "unicode/ures.h" |
| #include "unicode/udata.h" |
| |
| /* This is the size of the stack allocated buffer for sortkey generation and similar operations */ |
| /* if it is too small, heap allocation will occur.*/ |
| /* you can change this value if you need memory - it will affect the performance, though, since we're going to malloc */ |
| #define UCOL_MAX_BUFFER 128 |
| #define UCOL_PRIMARY_MAX_BUFFER 8*UCOL_MAX_BUFFER |
| #define UCOL_SECONDARY_MAX_BUFFER UCOL_MAX_BUFFER |
| #define UCOL_TERTIARY_MAX_BUFFER UCOL_MAX_BUFFER |
| #define UCOL_CASE_MAX_BUFFER UCOL_MAX_BUFFER/4 |
| #define UCOL_QUAD_MAX_BUFFER UCOL_MAX_BUFFER |
| |
| #define UCOL_NORMALIZATION_GROWTH 2 |
| #define UCOL_NORMALIZATION_MAX_BUFFER UCOL_MAX_BUFFER*UCOL_NORMALIZATION_GROWTH |
| |
| /* This writable buffer is used if we encounter Thai and need to reorder the string on the fly */ |
| /* Sometimes we already have a writable buffer (like in case of normalized strings). */ |
| /* |
| you can change this value to any value >= 3 if you need memory - |
| it will affect the performance, though, since we're going to malloc. |
| Note 3 is the minimum value for Thai collation to work correctly. |
| */ |
| #define UCOL_WRITABLE_BUFFER_SIZE 256 |
| |
| /* This is the size of the buffer for expansion CE's */ |
| /* In reality we should not have to deal with expm sequences longer then 16 */ |
| /* you can change this value if you need memory */ |
| /* WARNING THIS BUFFER DOES NOT HAVE MALLOC FALLBACK. If you make it too small, you'll get in trouble */ |
| /* Reasonable small value is around 10, if you don't do Arabic or other funky collations that have long expansion sequence */ |
| /* This is the longest expansion sequence we can handle without bombing out */ |
| #define UCOL_EXPAND_CE_BUFFER_SIZE 512 /* synwee :TODO revert back 64*/ |
| |
| |
| /* Unsafe UChar hash table table size. */ |
| /* size is 32 bytes for 1 bit for each latin 1 char + some power of two for */ |
| /* hashing the rest of the chars. Size in bytes */ |
| #define UCOL_UNSAFECP_TABLE_SIZE 1056 |
| /* mask value down to "some power of two"-1 */ |
| /* number of bits, not num of bytes. */ |
| #define UCOL_UNSAFECP_TABLE_MASK 0x1fff |
| |
| |
| #define UCOL_RUNTIME_VERSION 1 |
| #define UCOL_BUILDER_VERSION 1 |
| |
| /* flags bits for collIterate.flags */ |
| /* */ |
| /* NORM - set for incremental normalize of source string */ |
| #define UCOL_ITER_NORM 1 |
| |
| #define UCOL_ITER_HASLEN 2 |
| |
| /* UCOL_ITER_INNORMBUF - set if the "pos" is in */ |
| /* the writable side buffer, handling */ |
| /* incrementally normalized characters. */ |
| #define UCOL_ITER_INNORMBUF 4 |
| |
| /* UCOL_ITER_ALLOCATED - set if this iterator has */ |
| /* malloced storage to expand a buffer. */ |
| #define UCOL_ITER_ALLOCATED 8 |
| |
| #define NFC_ZERO_CC_BLOCK_LIMIT_ 0x300 |
| |
| struct collIterate { |
| UChar *string; /* Original string */ |
| /* UChar *start; Pointer to the start of the source string. Either points to string |
| or to writableBuffer */ |
| UChar *endp; /* string end ptr. Is undefined for null terminated strings */ |
| UChar *pos; /* This is position in the string. Can be to original or writable buf */ |
| |
| uint32_t *toReturn; /* This is the CE from CEs buffer that should be returned */ |
| uint32_t *CEpos; /* This is the position to which we have stored processed CEs */ |
| UChar *writableBuffer; |
| uint32_t writableBufSize; |
| UChar *fcdPosition; /* Position in the original string to continue FCD check from. */ |
| const UCollator *coll; |
| uint8_t flags; |
| uint8_t origFlags; |
| uint32_t CEs[UCOL_EXPAND_CE_BUFFER_SIZE]; /* This is where we store CEs */ |
| UChar stackWritableBuffer[UCOL_WRITABLE_BUFFER_SIZE]; /* A writable buffer. */ |
| }; |
| |
| /* |
| struct used internally in getSpecial*CE. |
| data similar to collIterate. |
| */ |
| struct collIterateState { |
| UChar *pos; /* This is position in the string. Can be to original or writable buf */ |
| UChar *fcdPosition; /* Position in the original string to continue FCD check from. */ |
| UChar *bufferaddress; /* address of the normalization buffer */ |
| uint32_t buffersize; |
| uint8_t flags; |
| uint8_t origFlags; |
| }; |
| |
| U_CAPI void init_collIterate(const UCollator *collator, const UChar *sourceString, int32_t sourceLen, collIterate *s); |
| |
| |
| struct UCollationElements |
| { |
| /** |
| * Normalization mode, not exactly the same as the data in collator_. |
| * If collation strength requested is UCOL_IDENTICAL, this mode will be |
| * UNORM_NONE otherwise it follows collator_. |
| */ |
| UNormalizationMode normalization_; |
| /** |
| * Struct wrapper for source data |
| */ |
| collIterate iteratordata_; |
| /** |
| * Indicates if this data has been reset. |
| */ |
| UBool reset_; |
| /** |
| * Indicates if the data should be deleted. |
| */ |
| UBool isWritable; |
| }; |
| |
| struct incrementalContext { |
| UCharForwardIterator *source; |
| void *sourceContext; |
| UChar currentChar; |
| UChar lastChar; |
| UChar stackString[UCOL_MAX_BUFFER]; /* Original string */ |
| UChar *stringP; /* This is position in the string */ |
| UChar *len; /* Original string length */ |
| UChar *capacity; /* This is capacity */ |
| uint32_t *toReturn; /* This is the CE from CEs buffer that should be returned */ |
| uint32_t *CEpos; /* This is the position to which we have stored processed CEs */ |
| uint32_t CEs[UCOL_EXPAND_CE_BUFFER_SIZE]; /* This is where we store CEs */ |
| UBool panic; /* can't handle it any more - we have to call the cavalry */ |
| const UCollator *coll; |
| }; |
| |
| |
| #define UCOL_LEVELTERMINATOR 1 |
| |
| /* mask off anything but primary order */ |
| #define UCOL_PRIMARYORDERMASK 0xffff0000 |
| /* mask off anything but secondary order */ |
| #define UCOL_SECONDARYORDERMASK 0x0000ff00 |
| /* mask off anything but tertiary order */ |
| #define UCOL_TERTIARYORDERMASK 0x000000ff |
| /* primary order shift */ |
| #define UCOL_PRIMARYORDERSHIFT 16 |
| /* secondary order shift */ |
| #define UCOL_SECONDARYORDERSHIFT 8 |
| |
| #define UCOL_BYTE_SIZE_MASK 0xFF |
| |
| #define UCOL_CASE_BYTE_START 0x80 |
| #define UCOL_CASE_SHIFT_START 7 |
| |
| #define UCOL_IGNORABLE 0 |
| #define UCOL_IMPLICIT_SURROGATE_LAST_CE_MASK 0x80200080 |
| #define UCOL_IMPLICIT_MISCELLANEOUS_LAST_CE_MASK 0x04000083 |
| |
| /* get weights from a CE */ |
| #define UCOL_PRIMARYORDER(order) (((order) & UCOL_PRIMARYORDERMASK)>> UCOL_PRIMARYORDERSHIFT) |
| #define UCOL_SECONDARYORDER(order) (((order) & UCOL_SECONDARYORDERMASK)>> UCOL_SECONDARYORDERSHIFT) |
| #define UCOL_TERTIARYORDER(order) ((order) & UCOL_TERTIARYORDERMASK) |
| |
| /** |
| * Determine if a character is a Thai vowel (which sorts after |
| * its base consonant). |
| */ |
| #define UCOL_ISTHAIPREVOWEL(ch) ((((uint32_t)(ch) - 0xe40) <= (0xe44 - 0xe40)) || \ |
| (((uint32_t)(ch) - 0xec0) <= (0xec4 - 0xec0))) |
| |
| /** |
| * Determine if a character is a Thai base consonant |
| */ |
| #define UCOL_ISTHAIBASECONSONANT(ch) ((uint32_t)(ch) - 0xe01) <= (0xe2e - 0xe01) |
| |
| #define UCOL_ISJAMO(ch) ((((uint32_t)(ch) - 0x1100) <= (0x1112 - 0x1100)) || \ |
| (((uint32_t)(ch) - 0x1161) <= (0x1175 - 0x1161)) || \ |
| (((uint32_t)(ch) - 0x11A8) <= (0x11C2 - 0x11A8))) |
| |
| |
| |
| #if 0 |
| /* initializes collIterate structure */ |
| /* made as macro to speed up things */ |
| #define init_collIterate(collator, sourceString, sourceLen, s) { \ |
| (s)->start = (s)->string = (s)->pos = (UChar *)(sourceString); \ |
| (s)->endp = (sourceLen) == -1 ? NULL :(UChar *)(sourceString)+(sourceLen); \ |
| (s)->CEpos = (s)->toReturn = (s)->CEs; \ |
| (s)->isThai = TRUE; \ |
| (s)->writableBuffer = (s)->stackWritableBuffer; \ |
| (s)->writableBufSize = UCOL_WRITABLE_BUFFER_SIZE; \ |
| (s)->coll = (collator); \ |
| (s)->fcdPosition = 0; \ |
| (s)->flags = 0; \ |
| if(((collator)->normalizationMode == UCOL_ON)) (s)->flags |= UCOL_ITER_NORM; \ |
| } |
| #endif |
| |
| |
| |
| /* a macro that gets a simple CE */ |
| /* for more complicated CEs it resorts to getComplicatedCE (what else) */ |
| #define UCOL_GETNEXTCE(order, coll, collationSource, status) { \ |
| if ((collationSource).CEpos > (collationSource).toReturn) { \ |
| (order) = *((collationSource).toReturn++); \ |
| if((collationSource).CEpos == (collationSource).toReturn) { \ |
| (collationSource).CEpos = (collationSource).toReturn = (collationSource).CEs; \ |
| } \ |
| } else if((collationSource).pos < (collationSource).endp) { \ |
| UChar ch = *(collationSource).pos++; \ |
| if(ch <= 0xFF) { \ |
| (order) = (coll)->latinOneMapping[ch]; \ |
| } else { \ |
| (order) = ucmp32_get((coll)->mapping, ch); \ |
| } \ |
| if((order) >= UCOL_NOT_FOUND) { \ |
| (order) = getSpecialCE((coll), (order), &(collationSource), (status)); \ |
| if((order) == UCOL_NOT_FOUND) { \ |
| (order) = ucol_getNextUCA(ch, &(collationSource), (status)); \ |
| } \ |
| } \ |
| } else { \ |
| (order) = UCOL_NO_MORE_CES; \ |
| } \ |
| } |
| |
| /* |
| * Macro to get the maximum size of an expansion ending with the argument ce. |
| * Used in the Boyer Moore algorithm. |
| * Note for tailoring, the UCA maxexpansion table has been merged. |
| * Hence we only have to search the tailored collator only. |
| * @param coll const UCollator pointer |
| * @param order last collation element of the expansion sequence |
| * @param result size of the longest expansion with argument collation element |
| * as the last element |
| */ |
| #define UCOL_GETMAXEXPANSION(coll, order, result) { \ |
| const uint32_t *start; \ |
| const uint32_t *limit; \ |
| const uint32_t *mid; \ |
| start = (coll)->endExpansionCE; \ |
| limit = (coll)->lastEndExpansionCE; \ |
| while (start < limit - 1) { \ |
| mid = start + ((limit - start) >> 1); \ |
| if ((order) <= *mid) { \ |
| limit = mid; \ |
| } \ |
| else { \ |
| start = mid; \ |
| } \ |
| } \ |
| if (*start == order) { \ |
| result = *((coll)->expansionCESize + (start - (coll)->endExpansionCE)); \ |
| } \ |
| else if (*limit == order) { \ |
| result = *(coll->expansionCESize + (limit - coll->endExpansionCE)); \ |
| } \ |
| else if (order ^ UCOL_IMPLICIT_SURROGATE_LAST_CE_MASK == 0 || \ |
| order ^ UCOL_IMPLICIT_MISCELLANEOUS_LAST_CE_MASK == 0) { \ |
| result = 2; \ |
| } \ |
| else { \ |
| result = 1; \ |
| } \ |
| } |
| |
| uint32_t getSpecialCE(const UCollator *coll, uint32_t CE, collIterate *source, UErrorCode *status); |
| uint32_t getSpecialPrevCE(const UCollator *coll, uint32_t CE, |
| collIterate *source, UErrorCode *status); |
| U_CAPI uint32_t U_EXPORT2 ucol_getNextCE(const UCollator *coll, collIterate *collationSource, UErrorCode *status); |
| U_CAPI uint32_t U_EXPORT2 ucol_getPrevCE(const UCollator *coll, |
| collIterate *collationSource, |
| UErrorCode *status); |
| uint32_t ucol_getNextUCA(UChar ch, collIterate *collationSource, UErrorCode *status); |
| uint32_t ucol_getPrevUCA(UChar ch, collIterate *collationSource, UErrorCode *status); |
| |
| void incctx_cleanUpContext(incrementalContext *ctx); |
| UChar incctx_appendChar(incrementalContext *ctx, UChar c); |
| |
| /* function used by C++ getCollationKey to prevent restarting the calculation */ |
| U_CFUNC uint8_t *ucol_getSortKeyWithAllocation(const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, int32_t *resultLen); |
| |
| /* get some memory */ |
| void *ucol_getABuffer(const UCollator *coll, uint32_t size); |
| |
| /* worker function for generating sortkeys */ |
| int32_t |
| ucol_calcSortKey(const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| uint8_t **result, |
| uint32_t resultLength, |
| UBool allocatePrimary, |
| UErrorCode *status); |
| |
| int32_t |
| ucol_calcSortKeySimpleTertiary(const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| uint8_t **result, |
| uint32_t resultLength, |
| UBool allocatePrimary, |
| UErrorCode *status); |
| |
| /** |
| * Makes a copy of the Collator's rule data. The format is |
| * that of .col files. |
| * |
| * @param length returns the length of the data, in bytes. |
| * @param status the error status |
| * @return memory, owned by the caller, of size 'length' bytes. |
| * @internal INTERNAL USE ONLY |
| */ |
| U_CAPI uint8_t * |
| ucol_cloneRuleData(UCollator *coll, int32_t *length, UErrorCode *status); |
| |
| #define UCOL_SPECIAL_FLAG 0xF0000000 |
| #define UCOL_TAG_SHIFT 24 |
| #define UCOL_TAG_MASK 0x0F000000 |
| #define INIT_EXP_TABLE_SIZE 1024 |
| #define UCOL_NOT_FOUND 0xF0000000 |
| #define UCOL_EXPANSION 0xF1000000 |
| #define UCOL_CONTRACTION 0xF2000000 |
| #define UCOL_THAI 0xF3000000 |
| #define UCOL_UNMARKED 0x03 |
| #define UCOL_NEW_TERTIARYORDERMASK 0x0000003f |
| |
| /* Bit mask for primary collation strength. */ |
| #define UCOL_PRIMARYMASK 0xFFFF0000 |
| |
| /* Bit mask for secondary collation strength. */ |
| #define UCOL_SECONDARYMASK 0x0000FF00 |
| |
| /* Bit mask for tertiary collation strength. */ |
| #define UCOL_TERTIARYMASK 0x000000FF |
| |
| /** |
| * Internal. |
| * This indicates the last element in a UCollationElements has been consumed. |
| * Compare with the UCOL_NULLORDER, UCOL_NULLORDER is returned if error occurs. |
| */ |
| #define UCOL_NO_MORE_CES 0x00010101 |
| #define UCOL_NO_MORE_CES_PRIMARY 0x00010000 |
| #define UCOL_NO_MORE_CES_SECONDARY 0x00000100 |
| #define UCOL_NO_MORE_CES_TERTIARY 0x00000001 |
| |
| #define isSpecial(CE) ((((CE)&UCOL_SPECIAL_FLAG)>>28)==0xF) |
| |
| #define UCOL_UPPER_CASE 0x80 |
| #define UCOL_MIXED_CASE 0x40 |
| #define UCOL_LOWER_CASE 0x00 |
| |
| #define UCOL_CONTINUATION_MARKER 0xC0 |
| #define UCOL_REMOVE_CONTINUATION 0xFFFFFF3F |
| |
| #define isContinuation(CE) (((CE) & UCOL_CONTINUATION_MARKER) == UCOL_CONTINUATION_MARKER) |
| #define isFlagged(CE) (((CE) & 0x80) == 0x80) |
| #define isLongPrimary(CE) (((CE) & 0xC0) == 0xC0) |
| |
| #define getCETag(CE) (((CE)&UCOL_TAG_MASK)>>UCOL_TAG_SHIFT) |
| #define isContraction(CE) (isSpecial((CE)) && (getCETag((CE)) == CONTRACTION_TAG)) |
| #define constructContractCE(CE) (UCOL_SPECIAL_FLAG | (CONTRACTION_TAG<<UCOL_TAG_SHIFT) | ((CE))&0xFFFFFF) |
| #define getContractOffset(CE) ((CE)&0xFFFFFF) |
| #define getExpansionOffset(CE) (((CE)&0x00FFFFF0)>>4) |
| #define getExpansionCount(CE) ((CE)&0xF) |
| #define isCEIgnorable(CE) (((CE) & 0xFFFFFFBF) == 0) |
| |
| |
| #define UCA_DATA_TYPE "dat" |
| #define UCA_DATA_NAME "ucadata" |
| #define INVC_DATA_TYPE "dat" |
| #define INVC_DATA_NAME "invuca" |
| |
| /* This is an enum that lists magic special byte values from the fractional UCA */ |
| /* TODO: all the #defines that refer to special byte values from the UCA should be changed to point here */ |
| |
| enum { |
| UCOL_BYTE_ZERO = 0x00, |
| UCOL_BYTE_LEVEL_SEPARATOR = 0x01, |
| UCOL_BYTE_SORTKEY_GLUE = 0x02, |
| UCOL_BYTE_SHIFT_PREFIX = 0x03, |
| UCOL_BYTE_UNSHIFTED_MIN = UCOL_BYTE_SHIFT_PREFIX, |
| UCOL_BYTE_FIRST_TAILORED = 0x04, |
| UCOL_BYTE_COMMON = 0x05, |
| UCOL_BYTE_FIRST_UCA = UCOL_BYTE_COMMON, |
| UCOL_BYTE_LAST_LATIN_PRIMARY = 0x4C, |
| UCOL_BYTE_FIRST_NON_LATIN_PRIMARY = 0x4D, |
| UCOL_BYTE_UNSHIFTED_MAX = 0xFF |
| }; |
| |
| #define UCOL_RESET_TOP_VALUE 0x9F000303 |
| #define UCOL_NEXT_TOP_VALUE 0xE8960303 |
| #define PRIMARY_IMPLICIT_MIN 0xE8000000 |
| #define PRIMARY_IMPLICIT_MAX 0xF0000000 |
| |
| /* These constants can be changed - sortkey size is affected by them */ |
| #define UCOL_PROPORTION2 0.5 |
| #define UCOL_PROPORTION3 0.667 |
| |
| /* These values come from the UCA */ |
| #define UCOL_COMMON_BOT2 UCOL_BYTE_COMMON |
| #define UCOL_COMMON_TOP2 0x86 |
| #define UCOL_TOTAL2 (UCOL_COMMON_TOP2-UCOL_COMMON_BOT2-1) |
| |
| #define UCOL_FLAG_BIT_MASK_CASE_SW_OFF 0x80 |
| #define UCOL_FLAG_BIT_MASK_CASE_SW_ON 0x40 |
| #define UCOL_COMMON_TOP3_CASE_SW_OFF 0x86 |
| #define UCOL_COMMON_TOP3_CASE_SW_LOWER 0x46 |
| #define UCOL_COMMON_TOP3_CASE_SW_UPPER 0xC6 |
| |
| /* These values come from the UCA */ |
| #define UCOL_COMMON_BOT3 0x05 |
| |
| #define UCOL_COMMON_BOTTOM3_CASE_SW_UPPER 0x86; |
| #define UCOL_COMMON_BOTTOM3_CASE_SW_LOWER UCOL_COMMON_BOT3; |
| |
| #define UCOL_TOP_COUNT2 (UCOL_PROPORTION2*UCOL_TOTAL2) |
| #define UCOL_BOT_COUNT2 (UCOL_TOTAL2-UCOL_TOP_COUNT2) |
| |
| |
| #define UCOL_COMMON2 UCOL_COMMON_BOT2 |
| #define UCOL_COMMON3_UPPERFIRST 0xC5 |
| #define UCOL_COMMON3_NORMAL UCOL_COMMON_BOT3 |
| |
| #define UCOL_COMMON4 0xFF |
| |
| /* constants for case level/case first handling */ |
| /* used to instantiate UCollators fields in ucol_updateInternalState */ |
| #define UCOL_CASE_SWITCH 0xC0 |
| #define UCOL_NO_CASE_SWITCH 0x00 |
| |
| #define UCOL_REMOVE_CASE 0x3F |
| #define UCOL_KEEP_CASE 0xFF |
| |
| #define UCOL_CASE_BIT_MASK 0xC0 |
| |
| #define UCOL_TERT_CASE_MASK 0xFF |
| |
| typedef enum { |
| NOT_FOUND_TAG = 0, |
| EXPANSION_TAG = 1, |
| CONTRACTION_TAG = 2, |
| THAI_TAG = 3, |
| CHARSET_TAG = 4, |
| SURROGATE_TAG = 5, |
| CE_TAGS_COUNT |
| } UColCETags; |
| |
| typedef struct { |
| UChar32 variableTopValue; |
| UColAttributeValue frenchCollation; |
| UColAttributeValue alternateHandling; /* attribute for handling variable elements*/ |
| UColAttributeValue caseFirst; /* who goes first, lower case or uppercase */ |
| UColAttributeValue caseLevel; /* do we have an extra case level */ |
| UColAttributeValue normalizationMode; /* attribute for normalization */ |
| UColAttributeValue strength; /* attribute for strength */ |
| } UColOptionSet; |
| |
| typedef struct { |
| int32_t size; |
| /* all the offsets are in bytes */ |
| /* to get the address add to the header address and cast properly */ |
| uint32_t options; /* these are the default options for the collator */ |
| uint32_t CEindex; /* uint16_t *CEindex; */ |
| uint32_t CEvalues; /* int32_t *CEvalues; */ |
| uint32_t mappingPosition; /* const uint8_t *mappingPosition; */ |
| uint32_t expansion; /* uint32_t *expansion; */ |
| uint32_t contractionIndex; /* UChar *contractionIndex; */ |
| uint32_t contractionCEs; /* uint32_t *contractionCEs; */ |
| uint32_t contractionSize; /* needed for various closures */ |
| uint32_t latinOneMapping; /* fast track to latin1 chars */ |
| |
| uint32_t endExpansionCE; /* array of last collation element in |
| expansion */ |
| uint32_t expansionCESize; /* array of maximum expansion size |
| corresponding to the expansion |
| collation elements with last element |
| in endExpansionCE*/ |
| int32_t endExpansionCECount; /* size of endExpansionCE */ |
| uint32_t unsafeCP; /* hash table of unsafe code points */ |
| uint32_t contrEndCP; /* hash table of final code points */ |
| /* in contractions. */ |
| |
| int32_t CEcount; |
| UBool jamoSpecial; /* is jamoSpecial */ |
| uint8_t padding[3]; /* for guaranteed alignment */ |
| UVersionInfo version; |
| char charsetName[32]; /* for charset CEs */ |
| uint8_t reserved[64]; /* for future use */ |
| } UCATableHeader; |
| |
| #define UCOL_INV_SIZEMASK 0xFFF00000 |
| #define UCOL_INV_OFFSETMASK 0x000FFFFF |
| #define UCOL_INV_SHIFTVALUE 20 |
| |
| typedef struct { |
| uint32_t byteSize; |
| uint32_t tableSize; |
| uint32_t contsSize; |
| uint32_t table; |
| uint32_t conts; |
| } InverseTableHeader; |
| |
| typedef int32_t |
| SortKeyGenerator(const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| uint8_t **result, |
| uint32_t resultLength, |
| UBool allocatePrimary, |
| UErrorCode *status); |
| |
| struct UCollator { |
| UBool freeOptionsOnClose; |
| UColOptionSet *options; |
| SortKeyGenerator *sortKeyGen; |
| UBool freeOnClose; |
| UResourceBundle *rb; |
| const UCATableHeader *image; |
| CompactIntArray *mapping; |
| const uint32_t *latinOneMapping; |
| const uint32_t *expansion; |
| const UChar *contractionIndex; |
| const uint32_t *contractionCEs; |
| const uint8_t *scriptOrder; |
| uint8_t variableMax1; |
| uint8_t variableMax2; |
| uint8_t caseSwitch; |
| uint8_t tertiaryCommon; |
| uint8_t tertiaryMask; |
| int32_t tertiaryAddition; /* when switching case, we need to add or subtract different values */ |
| uint8_t tertiaryTop; /* Upper range when compressing */ |
| uint8_t tertiaryBottom; /* Upper range when compressing */ |
| uint8_t tertiaryTopCount; |
| uint8_t tertiaryBottomCount; |
| |
| UChar32 variableTopValue; |
| UColAttributeValue frenchCollation; |
| UColAttributeValue alternateHandling; /* attribute for handling variable elements*/ |
| UColAttributeValue caseFirst; /* who goes first, lower case or uppercase */ |
| UColAttributeValue caseLevel; /* do we have an extra case level */ |
| UColAttributeValue normalizationMode; /* attribute for normalization */ |
| UColAttributeValue strength; /* attribute for strength */ |
| UBool variableTopValueisDefault; |
| UBool frenchCollationisDefault; |
| UBool alternateHandlingisDefault; /* attribute for handling variable elements*/ |
| UBool caseFirstisDefault; /* who goes first, lower case or uppercase */ |
| UBool caseLevelisDefault; /* do we have an extra case level */ |
| UBool normalizationModeisDefault; /* attribute for normalization */ |
| UBool strengthisDefault; /* attribute for strength */ |
| UBool hasRealData; /* some collators have only options, like French, no rules */ |
| /* to speed up things, we use the UCA image, but we don't want it */ |
| /* to run around */ |
| const UChar *rules; |
| UBool freeRulesOnClose; |
| UChar zero; |
| UDataInfo dataInfo; /* Data info of UCA table */ |
| UErrorCode errorCode; /* internal error code */ |
| |
| const uint32_t *endExpansionCE; /* array of last ces in an expansion ce. |
| corresponds to expansionCESize */ |
| const uint32_t *lastEndExpansionCE;/* pointer to the last element in endExpansionCE */ |
| const uint8_t *expansionCESize; /* array of the maximum size of a |
| expansion ce with the last ce |
| corresponding to endExpansionCE, |
| terminated with a null */ |
| const uint8_t *unsafeCP; /* unsafe code points hashtable */ |
| const uint8_t *contrEndCP; /* Contraction ending chars hash table */ |
| UChar minUnsafeCP; /* Smallest unsafe Code Point. */ |
| UChar minContrEndCP; /* Smallest code point at end of a contraction */ |
| }; |
| |
| /* various internal functions */ |
| void init_incrementalContext(UCollator *coll, UCharForwardIterator *source, void *sourceContext, incrementalContext *s); |
| int32_t ucol_getIncrementalCE(const UCollator *coll, incrementalContext *ctx, UErrorCode *status); |
| void incctx_cleanUpContext(incrementalContext *ctx); |
| UChar incctx_appendChar(incrementalContext *ctx, UChar c); |
| UCollationResult alternateIncrementalProcessing(const UCollator *coll, incrementalContext *srcCtx, incrementalContext *trgCtx); |
| void ucol_initUCA(UErrorCode *status); |
| |
| UCollator* ucol_initCollator(const UCATableHeader *image, UCollator *fillIn, UErrorCode *status); |
| void ucol_setOptionsFromHeader(UCollator* result, UColOptionSet * opts, UErrorCode *status); |
| void ucol_putOptionsToHeader(UCollator* result, UColOptionSet * opts, UErrorCode *status); |
| |
| uint32_t ucol_getIncrementalUCA(UChar ch, incrementalContext *collationSource, UErrorCode *status); |
| int32_t ucol_getIncrementalSpecialCE(const UCollator *coll, uint32_t CE, incrementalContext *ctx, UErrorCode *status); |
| void ucol_updateInternalState(UCollator *coll); |
| |
| U_CAPI uint32_t U_EXPORT2 ucol_getFirstCE(const UCollator *coll, UChar u, UErrorCode *status); |
| U_CAPI char U_EXPORT2 *ucol_sortKeyToString(const UCollator *coll, const uint8_t *sortkey, char *buffer, uint32_t *len); |
| U_CAPI UBool U_EXPORT2 isTailored(const UCollator *coll, const UChar u, UErrorCode *status); |
| |
| U_CAPI const U_EXPORT2 InverseTableHeader *ucol_initInverseUCA(UErrorCode *status); |
| U_CAPI int32_t U_EXPORT2 ucol_inv_getNextCE(uint32_t CE, uint32_t contCE, |
| uint32_t *nextCE, uint32_t *nextContCE, |
| uint32_t strength); |
| U_CAPI int32_t U_EXPORT2 ucol_inv_getPrevCE(uint32_t CE, uint32_t contCE, |
| uint32_t *prevCE, uint32_t *prevContCE, |
| uint32_t strength); |
| |
| #endif |
| |