1b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 2b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru******************************************************************************* 3b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius* Copyright (C) 2004-2012, International Business Machines 5b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Corporation and others. All Rights Reserved. 6b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 7b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru******************************************************************************* 883a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius* file name: ucase.cpp 9b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* encoding: US-ASCII 10b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* tab size: 8 (not used) 11b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* indentation:4 12b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 13b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* created on: 2004aug30 14b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* created by: Markus W. Scherer 15b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 16b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Low-level Unicode character/string case mapping code. 17b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Much code moved here (and modified) from uchar.c. 18b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 19b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 20b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/utypes.h" 2183a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius#include "unicode/unistr.h" 22b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/uset.h" 23b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/udata.h" /* UDataInfo */ 2483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius#include "unicode/utf16.h" 25b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "ucmndata.h" /* DataHeader */ 26b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "udatamem.h" 27b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "umutex.h" 28b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "uassert.h" 29b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "cmemory.h" 30b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru#include "utrie2.h" 31b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "ucase.h" 32b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "ucln_cmn.h" 33b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 34b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustruct UCaseProps { 35b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UDataMemory *mem; 36b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const int32_t *indexes; 37b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *exceptions; 3883a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius const uint16_t *unfold; 39b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 40b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru UTrie2 trie; 41b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint8_t formatVersion[4]; 42b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 43b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 4483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius/* ucase_props_data.h is machine-generated by gencase --csource */ 4583a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius#define INCLUDED_FROM_UCASE_CPP 4683a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius#include "ucase_props_data.h" 47b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 48b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* UCaseProps singleton ----------------------------------------------------- */ 49b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 50b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI const UCaseProps * U_EXPORT2 5127f654740f2a26ad62a5c155af9199af9e69b889clairehoucase_getSingleton() { 52b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return &ucase_props_singleton; 53b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 54b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 55b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* set of property starts for UnicodeSet ------------------------------------ */ 56b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 57b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool U_CALLCONV 5883a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius_enumPropertyStartsRange(const void *context, UChar32 start, UChar32 /*end*/, uint32_t /*value*/) { 59b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add the start code point to the USet */ 60b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const USetAdder *sa=(const USetAdder *)context; 61b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, start); 62b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 63b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 64b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 65b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CFUNC void U_EXPORT2 66b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_addPropertyStarts(const UCaseProps *csp, const USetAdder *sa, UErrorCode *pErrorCode) { 67b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(U_FAILURE(*pErrorCode)) { 68b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 69b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 70b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 71b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add the start code point of each same-value range of the trie */ 72b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru utrie2_enum(&csp->trie, NULL, _enumPropertyStartsRange, sa); 73b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 74b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add code points with hardcoded properties, plus the ones following them */ 75b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 76b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* (none right now, see comment below) */ 77b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 78b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 79b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Omit code points with hardcoded specialcasing properties 80b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * because we do not build property UnicodeSets for them right now. 81b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 82b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 83b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 84b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* data access primitives --------------------------------------------------- */ 85b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 86b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define GET_EXCEPTIONS(csp, props) ((csp)->exceptions+((props)>>UCASE_EXC_SHIFT)) 87b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 88b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define PROPS_HAS_EXCEPTION(props) ((props)&UCASE_EXCEPTION) 89b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 90b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* number of bits in an 8-bit integer value */ 91b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const uint8_t flagsOffset[256]={ 92b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, 93b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 94b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 95b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 96b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 97b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 98b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 99b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, 100b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 101b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 102b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 103b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, 104b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 105b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, 106b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, 107b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 108b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 109b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 110b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru#define HAS_SLOT(flags, idx) ((flags)&(1<<(idx))) 111b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru#define SLOT_OFFSET(flags, idx) flagsOffset[(flags)&((1<<(idx))-1)] 112b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 113b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 114b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru * Get the value of an optional-value slot where HAS_SLOT(excWord, idx). 115b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 116b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * @param excWord (in) initial exceptions word 117b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru * @param idx (in) desired slot index 118b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * @param pExc16 (in/out) const uint16_t * after excWord=*pExc16++; 119b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * moved to the last uint16_t of the value, use +1 for beginning of next slot 120b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * @param value (out) int32_t or uint32_t output if hasSlot, otherwise not modified 121b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 122b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru#define GET_SLOT_VALUE(excWord, idx, pExc16, value) \ 123b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(((excWord)&UCASE_EXC_DOUBLE_SLOTS)==0) { \ 124b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru (pExc16)+=SLOT_OFFSET(excWord, idx); \ 125b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (value)=*pExc16; \ 126b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { \ 127b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru (pExc16)+=2*SLOT_OFFSET(excWord, idx); \ 128b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (value)=*pExc16++; \ 129b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (value)=((value)<<16)|*pExc16; \ 130b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 131b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 132b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* simple case mappings ----------------------------------------------------- */ 133b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 134b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 135b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_tolower(const UCaseProps *csp, UChar32 c) { 136b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 137b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 138b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)>=UCASE_UPPER) { 139b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c+=UCASE_GET_DELTA(props); 140b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 141b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 142b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props); 143b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 144b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_LOWER)) { 145b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_LOWER, pe, c); 146b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 147b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 148b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 149b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 150b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 151b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 152b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_toupper(const UCaseProps *csp, UChar32 c) { 153b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 154b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 155b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)==UCASE_LOWER) { 156b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c+=UCASE_GET_DELTA(props); 157b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 158b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 159b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props); 160b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 161b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_UPPER)) { 162b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_UPPER, pe, c); 163b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 164b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 165b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 166b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 167b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 168b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_totitle(const UCaseProps *csp, UChar32 c) { 170b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)==UCASE_LOWER) { 173b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c+=UCASE_GET_DELTA(props); 174b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 175b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 176b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props); 177b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 178b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru int32_t idx; 179b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_TITLE)) { 180b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_TITLE; 181b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_UPPER)) { 182b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_UPPER; 183b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 184b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 185b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 186b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru GET_SLOT_VALUE(excWord, idx, pe, c); 187b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 188b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 189b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 190b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 191c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar iDot[2] = { 0x69, 0x307 }; 192c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar jDot[2] = { 0x6a, 0x307 }; 193c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar iOgonekDot[3] = { 0x12f, 0x307 }; 194c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar iDotGrave[3] = { 0x69, 0x307, 0x300 }; 195c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar iDotAcute[3] = { 0x69, 0x307, 0x301 }; 196c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querustatic const UChar iDotTilde[3] = { 0x69, 0x307, 0x303 }; 197c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru 198c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru 199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CFUNC void U_EXPORT2 200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_addCaseClosure(const UCaseProps *csp, UChar32 c, const USetAdder *sa) { 201b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t props; 202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 203b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Hardcode the case closure of i and its relatives and ignore the 205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * data file data for these characters. 206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The Turkic dotless i and dotted I with their case mapping conditions 207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * and case folding option make the related characters behave specially. 208b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * This code matches their closure behavior to their case folding behavior. 209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru switch(c) { 212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x49: 213b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* regular i and I are in one equivalence class */ 214b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, 0x69); 215b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 216b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x69: 217b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, 0x49); 218b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 219b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x130: 220b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* dotted I is in a class with <0069 0307> (for canonical equivalence with <0049 0307>) */ 221b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->addString(sa->set, iDot, 2); 222b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 223b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x131: 224b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* dotless i is in a class by itself */ 225b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 226b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru default: 227b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* otherwise use the data file data */ 228b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru break; 229b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 230b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 231b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru props=UTRIE2_GET16(&csp->trie, c); 232b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 233b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)!=UCASE_NONE) { 234b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add the one simple case mapping, no matter what type it is */ 235b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t delta=UCASE_GET_DELTA(props); 236b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(delta!=0) { 237b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, c+delta); 238b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 239b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 240b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 241b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 242b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * c has exceptions, so there may be multiple simple and/or 243b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * full case mappings. Add them all. 244b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 245b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe0, *pe=GET_EXCEPTIONS(csp, props); 246b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar *closure; 247b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 248b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru int32_t idx, closureLength, fullLength, length; 249b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 250b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe0=pe; 251b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 252b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add all simple case mappings */ 253b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru for(idx=UCASE_EXC_LOWER; idx<=UCASE_EXC_TITLE; ++idx) { 254b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru if(HAS_SLOT(excWord, idx)) { 255b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe=pe0; 256b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru GET_SLOT_VALUE(excWord, idx, pe, c); 257b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, c); 258b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 259b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 260b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 261b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* get the closure string pointer & length */ 262b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_CLOSURE)) { 263b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe=pe0; 264b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_CLOSURE, pe, closureLength); 265b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru closureLength&=UCASE_CLOSURE_MAX_LENGTH; /* higher bits are reserved */ 266b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru closure=(const UChar *)pe+1; /* behind this slot, unless there are full case mappings */ 267b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 268b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru closureLength=0; 269b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru closure=NULL; 270b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 271b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 272b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add the full case folding */ 273b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_FULL_MAPPINGS)) { 274b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe=pe0; 275b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_FULL_MAPPINGS, pe, fullLength); 276b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 277b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* start of full case mapping strings */ 278b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ++pe; 279b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fullLength&=0xffff; /* bits 16 and higher are reserved */ 281b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 282b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* skip the lowercase result string */ 283b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=fullLength&UCASE_FULL_LOWER; 284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fullLength>>=4; 285b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 286b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add the full case folding string */ 287b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru length=fullLength&0xf; 288b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(length!=0) { 289b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->addString(sa->set, (const UChar *)pe, length); 290b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=length; 291b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 292b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 293b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* skip the uppercase and titlecase strings */ 294b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fullLength>>=4; 295b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=fullLength&0xf; 296b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fullLength>>=4; 297b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=fullLength; 298b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 299b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru closure=(const UChar *)pe; /* behind full case mappings */ 300b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 301b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 302b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* add each code point in the closure string */ 303b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru for(idx=0; idx<closureLength;) { 304b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru U16_NEXT_UNSAFE(closure, idx, c); 305b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, c); 306b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 307b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 308b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 309b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 310b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 311b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * compare s, which has a length, with t, which has a maximum length or is NUL-terminated 312b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * must be length>0 and max>0 and length<=max 313b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 31483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Corneliusstatic inline int32_t 315b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QuerustrcmpMax(const UChar *s, int32_t length, const UChar *t, int32_t max) { 316b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t c1, c2; 317b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 318b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru max-=length; /* we require length<=max, so no need to decrement max in the loop */ 319b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru do { 320b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c1=*s++; 321b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c2=*t++; 322b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c2==0) { 323b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 1; /* reached the end of t but not of s */ 324b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 325b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c1-=c2; 326b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c1!=0) { 327b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c1; /* return difference result */ 328b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 329b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } while(--length>0); 330b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* ends with length==0 */ 331b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 332b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(max==0 || *t==0) { 333b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0; /* equal to length of both strings */ 334b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 335b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return -max; /* return lengh difference */ 336b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 337b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 338b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 339b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CFUNC UBool U_EXPORT2 340b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_addStringCaseClosure(const UCaseProps *csp, const UChar *s, int32_t length, const USetAdder *sa) { 341b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t i, start, limit, result, unfoldRows, unfoldRowWidth, unfoldStringWidth; 342b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 343b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(csp->unfold==NULL || s==NULL) { 344b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* no reverse case folding data, or no string */ 345b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 346b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(length<=1) { 347b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* the string is too short to find any match */ 348b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 349b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * more precise would be: 350b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * if(!u_strHasMoreChar32Than(s, length, 1)) 351b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * but this does not make much practical difference because 352b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * a single supplementary code point would just not be found 353b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 354b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 355b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 356b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 35783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius const uint16_t *unfold=csp->unfold; 358b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru unfoldRows=unfold[UCASE_UNFOLD_ROWS]; 359b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru unfoldRowWidth=unfold[UCASE_UNFOLD_ROW_WIDTH]; 360b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru unfoldStringWidth=unfold[UCASE_UNFOLD_STRING_WIDTH]; 361b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru unfold+=unfoldRowWidth; 362b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 363b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(length>unfoldStringWidth) { 364b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* the string is too long to find any match */ 365b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 366b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 367b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 368b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* do a binary search for the string */ 369b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru start=0; 370b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru limit=unfoldRows; 371b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru while(start<limit) { 372b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru i=(start+limit)/2; 37383a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius const UChar *p=reinterpret_cast<const UChar *>(unfold+(i*unfoldRowWidth)); 374b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru result=strcmpMax(s, length, p, unfoldStringWidth); 375b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 376b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(result==0) { 377b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* found the string: add each code point, and its case closure */ 378b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 379b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 380b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(i=unfoldStringWidth; i<unfoldRowWidth && p[i]!=0;) { 381b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru U16_NEXT_UNSAFE(p, i, c); 382b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sa->add(sa->set, c); 383b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ucase_addCaseClosure(csp, c, sa); 384b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 385b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 386b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(result<0) { 387b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru limit=i; 388b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else /* result>0 */ { 389b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru start=i+1; 390b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 391b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 392b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 393b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* string not found */ 394b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 395b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 39683a171d1a62abf406f7f44ae671823d5ec20db7dCraig CorneliusU_NAMESPACE_BEGIN 39783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius 39883a171d1a62abf406f7f44ae671823d5ec20db7dCraig CorneliusFullCaseFoldingIterator::FullCaseFoldingIterator() 39983a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius : unfold(reinterpret_cast<const UChar *>(ucase_props_singleton.unfold)), 40083a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius unfoldRows(unfold[UCASE_UNFOLD_ROWS]), 40183a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius unfoldRowWidth(unfold[UCASE_UNFOLD_ROW_WIDTH]), 40283a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius unfoldStringWidth(unfold[UCASE_UNFOLD_STRING_WIDTH]), 40383a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius currentRow(0), 40483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius rowCpIndex(unfoldStringWidth) { 40583a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius unfold+=unfoldRowWidth; 40683a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius} 40783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius 40883a171d1a62abf406f7f44ae671823d5ec20db7dCraig CorneliusUChar32 40983a171d1a62abf406f7f44ae671823d5ec20db7dCraig CorneliusFullCaseFoldingIterator::next(UnicodeString &full) { 41083a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius // Advance past the last-delivered code point. 41183a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius const UChar *p=unfold+(currentRow*unfoldRowWidth); 41283a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius if(rowCpIndex>=unfoldRowWidth || p[rowCpIndex]==0) { 41383a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius ++currentRow; 41483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius p+=unfoldRowWidth; 41583a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius rowCpIndex=unfoldStringWidth; 41683a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius } 41783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius if(currentRow>=unfoldRows) { return U_SENTINEL; } 41883a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius // Set "full" to the NUL-terminated string in the first unfold column. 41983a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius int32_t length=unfoldStringWidth; 42083a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius while(length>0 && p[length-1]==0) { --length; } 42183a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius full.setTo(FALSE, p, length); 42283a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius // Return the code point. 42383a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius UChar32 c; 42483a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius U16_NEXT_UNSAFE(p, rowCpIndex, c); 42583a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius return c; 42683a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius} 42783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius 42883a171d1a62abf406f7f44ae671823d5ec20db7dCraig CorneliusU_NAMESPACE_END 42983a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius 430b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** @return UCASE_NONE, UCASE_LOWER, UCASE_UPPER, UCASE_TITLE */ 431b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 432b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_getType(const UCaseProps *csp, UChar32 c) { 433b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 434b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return UCASE_GET_TYPE(props); 435b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 436b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 43750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/** @return same as ucase_getType() and set bit 2 if c is case-ignorable */ 438b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 439b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_getTypeOrIgnorable(const UCaseProps *csp, UChar32 c) { 440b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 44183a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius return UCASE_GET_TYPE_AND_IGNORABLE(props); 442b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 443b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 444b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** @return UCASE_NO_DOT, UCASE_SOFT_DOTTED, UCASE_ABOVE, UCASE_OTHER_ACCENT */ 44583a171d1a62abf406f7f44ae671823d5ec20db7dCraig Corneliusstatic inline int32_t 446b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QuerugetDotType(const UCaseProps *csp, UChar32 c) { 447b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 448b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 449b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return props&UCASE_DOT_MASK; 450b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 451b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props); 452b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (*pe>>UCASE_EXC_DOT_SHIFT)&UCASE_DOT_MASK; 453b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 454b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 455b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 456b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 457b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_isSoftDotted(const UCaseProps *csp, UChar32 c) { 458b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(getDotType(csp, c)==UCASE_SOFT_DOTTED); 459b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 460b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 461b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 462b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_isCaseSensitive(const UCaseProps *csp, UChar32 c) { 463b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 464b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)((props&UCASE_SENSITIVE)!=0); 465b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 466b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 467b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* string casing ------------------------------------------------------------ */ 468b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 469b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 470b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * These internal functions form the core of string case mappings. 471b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * They map single code points to result code points or strings and take 472b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * all necessary conditions (context, locale ID, options) into account. 473b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 474b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * They do not iterate over the source or write to the destination 475b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * so that the same functions are useful for non-standard string storage, 476b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * such as in a Replaceable (for Transliterator) or UTF-8/32 strings etc. 477b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * For the same reason, the "surrounding text" context is passed in as a 478b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * UCaseContextIterator which does not make any assumptions about 479b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * the underlying storage. 480b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 481b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * This section contains helper functions that check for conditions 482b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * in the input text surrounding the current code point 483b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * according to SpecialCasing.txt. 484b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 485b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Each helper function gets the index 486b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - after the current code point if it looks at following text 487b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - before the current code point if it looks at preceding text 488b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 489b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Unicode 3.2 UAX 21 "Case Mappings" defines the conditions as follows: 490b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 491b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Final_Sigma 492b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * C is preceded by a sequence consisting of 493b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * a cased letter and a case-ignorable sequence, 494b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * and C is not followed by a sequence consisting of 495b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * an ignorable sequence and then a cased letter. 496b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 497b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * More_Above 498b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * C is followed by one or more characters of combining class 230 (ABOVE) 499b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * in the combining character sequence. 500b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 501b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * After_Soft_Dotted 502b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The last preceding character with combining class of zero before C 503b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * was Soft_Dotted, 504b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * and there is no intervening combining character class 230 (ABOVE). 505b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 506b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Before_Dot 507b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * C is followed by combining dot above (U+0307). 508b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Any sequence of characters with a combining class that is neither 0 nor 230 509b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * may intervene between the current character and the combining dot above. 510b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 511b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The erratum from 2002-10-31 adds the condition 512b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 513b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * After_I 514b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The last preceding base character was an uppercase I, and there is no 515b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * intervening combining character class 230 (ABOVE). 516b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 517b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (See Jitterbug 2344 and the comments on After_I below.) 518b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 519b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Helper definitions in Unicode 3.2 UAX 21: 520b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 521b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * D1. A character C is defined to be cased 522b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * if it meets any of the following criteria: 523b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 524b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - The general category of C is Titlecase Letter (Lt) 525b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - In [CoreProps], C has one of the properties Uppercase, or Lowercase 526b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - Given D = NFD(C), then it is not the case that: 527b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * D = UCD_lower(D) = UCD_upper(D) = UCD_title(D) 528b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (This third criterium does not add any characters to the list 529b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * for Unicode 3.2. Ignored.) 530b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 531b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * D2. A character C is defined to be case-ignorable 532b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * if it meets either of the following criteria: 533b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 534b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - The general category of C is 535b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Nonspacing Mark (Mn), or Enclosing Mark (Me), or Format Control (Cf), or 536b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Letter Modifier (Lm), or Symbol Modifier (Sk) 537b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * - C is one of the following characters 538b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * U+0027 APOSTROPHE 539b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * U+00AD SOFT HYPHEN (SHY) 540b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * U+2019 RIGHT SINGLE QUOTATION MARK 541b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (the preferred character for apostrophe) 542b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 543b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * D3. A case-ignorable sequence is a sequence of 544b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * zero or more case-ignorable characters. 545b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 546b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 547b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_a(c) ((c)=='a' || (c)=='A') 548c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru#define is_d(c) ((c)=='d' || (c)=='D') 549b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_e(c) ((c)=='e' || (c)=='E') 550b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_i(c) ((c)=='i' || (c)=='I') 551b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_l(c) ((c)=='l' || (c)=='L') 552c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru#define is_n(c) ((c)=='n' || (c)=='N') 553b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_r(c) ((c)=='r' || (c)=='R') 554b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_t(c) ((c)=='t' || (c)=='T') 555b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_u(c) ((c)=='u' || (c)=='U') 556b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_z(c) ((c)=='z' || (c)=='Z') 557b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 558b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* separator? */ 559b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define is_sep(c) ((c)=='_' || (c)=='-' || (c)==0) 560b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 561b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 562b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Requires non-NULL locale ID but otherwise does the equivalent of 563b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * checking for language codes as if uloc_getLanguage() were called: 564b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Accepts both 2- and 3-letter codes and accepts case variants. 565b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 566b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CFUNC int32_t 567b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_getCaseLocale(const char *locale, int32_t *locCache) { 568b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t result; 569b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char c; 570b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 571c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if(locCache!=NULL && (result=*locCache)!=UCASE_LOC_UNKNOWN) { 572b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return result; 573b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 574b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 575c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru result=UCASE_LOC_ROOT; 576b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 577b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 578b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * This function used to use uloc_getLanguage(), but the current code 579b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * removes the dependency of this low-level code on uloc implementation code 580b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * and is faster because not the whole locale ID has to be 581b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * examined and copied/transformed. 582b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 583b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Because this code does not want to depend on uloc, the caller must 584b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * pass in a non-NULL locale, i.e., may need to call uloc_getDefault(). 585b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 586b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 587b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_t(c)) { 588b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* tr or tur? */ 589b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 590b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_u(c)) { 591b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 592b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 593b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_r(c)) { 594b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale; 595b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_sep(c)) { 596c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru result=UCASE_LOC_TURKISH; 597b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 598b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 599b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(is_a(c)) { 600b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* az or aze? */ 601b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 602b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_z(c)) { 603b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 604b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_e(c)) { 605b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale; 606b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 607b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_sep(c)) { 608c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru result=UCASE_LOC_TURKISH; 609b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 610b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 611b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(is_l(c)) { 612b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* lt or lit? */ 613b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 614b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_i(c)) { 615b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale++; 616b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 617b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_t(c)) { 618b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c=*locale; 619b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(is_sep(c)) { 620c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru result=UCASE_LOC_LITHUANIAN; 621c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 622c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 623c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } else if(is_n(c)) { 624c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru /* nl or nld? */ 625c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru c=*locale++; 626c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if(is_l(c)) { 627c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru c=*locale++; 628c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if(is_d(c)) { 629c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru c=*locale; 630c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 631c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if(is_sep(c)) { 632c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru result=UCASE_LOC_DUTCH; 633b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 634b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 635b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 636b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 637b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(locCache!=NULL) { 638b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *locCache=result; 639b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 640b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return result; 641b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 642b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 64350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/* 64450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * Is followed by 64550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * {case-ignorable}* cased 64650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * ? 64750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * (dir determines looking forward/backward) 64850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * If a character is case-ignorable, it is skipped regardless of whether 64950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * it is also cased or not. 65050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 651b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool 652b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruisFollowedByCasedLetter(const UCaseProps *csp, UCaseContextIterator *iter, void *context, int8_t dir) { 653b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 654b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 655b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(iter==NULL) { 656b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 657b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 658b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 659b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(/* dir!=0 sets direction */; (c=iter(context, dir))>=0; dir=0) { 66050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho int32_t type=ucase_getTypeOrIgnorable(csp, c); 66150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if(type&4) { 662b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* case-ignorable, continue with the loop */ 66350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } else if(type!=UCASE_NONE) { 66450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return TRUE; /* followed by cased letter */ 665b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 66650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return FALSE; /* uncased and not case-ignorable */ 667b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 668b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 669b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 670b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* not followed by cased letter */ 671b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 672b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 673b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Is preceded by Soft_Dotted character with no intervening cc=230 ? */ 674b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool 675b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruisPrecededBySoftDotted(const UCaseProps *csp, UCaseContextIterator *iter, void *context) { 676b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 677b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t dotType; 678b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int8_t dir; 679b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 680b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(iter==NULL) { 681b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 682b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 683b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 684b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(dir=-1; (c=iter(context, dir))>=0; dir=0) { 685b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dotType=getDotType(csp, c); 686b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(dotType==UCASE_SOFT_DOTTED) { 687b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; /* preceded by TYPE_i */ 688b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(dotType!=UCASE_OTHER_ACCENT) { 689b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* preceded by different base character (not TYPE_i), or intervening cc==230 */ 690b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 691b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 692b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 693b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* not preceded by TYPE_i */ 694b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 695b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 696b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 697b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * See Jitterbug 2344: 698b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The condition After_I for Turkic-lowercasing of U+0307 combining dot above 699b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * is checked in ICU 2.0, 2.1, 2.6 but was not in 2.2 & 2.4 because 700b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * we made those releases compatible with Unicode 3.2 which had not fixed 701b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * a related bug in SpecialCasing.txt. 702b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 703b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * From the Jitterbug 2344 text: 704b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * ... this bug is listed as a Unicode erratum 705b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * from 2002-10-31 at http://www.unicode.org/uni2errata/UnicodeErrata.html 706b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * <quote> 707b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * There are two errors in SpecialCasing.txt. 708b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1. Missing semicolons on two lines. ... [irrelevant for ICU] 709b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 2. An incorrect context definition. Correct as follows: 710b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * < 0307; ; 0307; 0307; tr After_Soft_Dotted; # COMBINING DOT ABOVE 711b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * < 0307; ; 0307; 0307; az After_Soft_Dotted; # COMBINING DOT ABOVE 712b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * --- 713b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * > 0307; ; 0307; 0307; tr After_I; # COMBINING DOT ABOVE 714b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * > 0307; ; 0307; 0307; az After_I; # COMBINING DOT ABOVE 715b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * where the context After_I is defined as: 716b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The last preceding base character was an uppercase I, and there is no 717b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * intervening combining character class 230 (ABOVE). 718b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * </quote> 719b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 720b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Note that SpecialCasing.txt even in Unicode 3.2 described the condition as: 721b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 722b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * # When lowercasing, remove dot_above in the sequence I + dot_above, which will turn into i. 723b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * # This matches the behavior of the canonically equivalent I-dot_above 724b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 725b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * See also the description in this place in older versions of uchar.c (revision 1.100). 726b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 727b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Markus W. Scherer 2003-feb-15 728b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 729b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 730b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Is preceded by base character 'I' with no intervening cc=230 ? */ 731b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool 732b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruisPrecededBy_I(const UCaseProps *csp, UCaseContextIterator *iter, void *context) { 733b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 734b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t dotType; 735b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int8_t dir; 736b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 737b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(iter==NULL) { 738b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 739b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 740b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 741b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(dir=-1; (c=iter(context, dir))>=0; dir=0) { 742b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x49) { 743b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; /* preceded by I */ 744b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 745b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dotType=getDotType(csp, c); 746b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(dotType!=UCASE_OTHER_ACCENT) { 747b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* preceded by different base character (not I), or intervening cc==230 */ 748b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 749b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 750b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 751b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* not preceded by I */ 752b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 753b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 754b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Is followed by one or more cc==230 ? */ 755b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool 756b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruisFollowedByMoreAbove(const UCaseProps *csp, UCaseContextIterator *iter, void *context) { 757b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 758b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t dotType; 759b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int8_t dir; 760b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 761b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(iter==NULL) { 762b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 763b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 764b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 765b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(dir=1; (c=iter(context, dir))>=0; dir=0) { 766b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dotType=getDotType(csp, c); 767b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(dotType==UCASE_ABOVE) { 768b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; /* at least one cc==230 following */ 769b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(dotType!=UCASE_OTHER_ACCENT) { 770b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* next base character, no more cc==230 following */ 771b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 772b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 773b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 774b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* no more cc==230 following */ 775b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 776b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 777b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Is followed by a dot above (without cc==230 in between) ? */ 778b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool 779b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruisFollowedByDotAbove(const UCaseProps *csp, UCaseContextIterator *iter, void *context) { 780b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UChar32 c; 781b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t dotType; 782b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int8_t dir; 783b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 784b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(iter==NULL) { 785b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 786b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 787b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 788b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(dir=1; (c=iter(context, dir))>=0; dir=0) { 789b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x307) { 790b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 791b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 792b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dotType=getDotType(csp, c); 793b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(dotType!=UCASE_OTHER_ACCENT) { 794b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* next base character or cc==230 in between */ 795b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 796b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 797b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 798b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; /* no dot above following */ 799b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 800b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 801b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 802b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_toFullLower(const UCaseProps *csp, UChar32 c, 803b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UCaseContextIterator *iter, void *context, 804b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar **pString, 805c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru const char *locale, int32_t *locCache) 806c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru{ 807b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru UChar32 result=c; 808b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 809b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 810b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)>=UCASE_UPPER) { 811b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru result=c+UCASE_GET_DELTA(props); 812b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 813b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 814b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props), *pe2; 815b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 816b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t full; 817b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 818b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe2=pe; 819b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 820b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(excWord&UCASE_EXC_CONDITIONAL_SPECIAL) { 821b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* use hardcoded conditions and mappings */ 822b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t loc=ucase_getCaseLocale(locale, locCache); 823b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 824b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 825b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Test for conditional mappings first 826b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (otherwise the unconditional default mappings are always taken), 827b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * then test for characters that have unconditional mappings in SpecialCasing.txt, 828b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * then get the UnicodeData.txt mappings. 829b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 830c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if( loc==UCASE_LOC_LITHUANIAN && 831b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* base characters, find accents above */ 832b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (((c==0x49 || c==0x4a || c==0x12e) && 833b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru isFollowedByMoreAbove(csp, iter, context)) || 834b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* precomposed with accent above, no need to find one */ 835b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (c==0xcc || c==0xcd || c==0x128)) 836b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ) { 837b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 838b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Lithuanian 839b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 840b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Lithuanian retains the dot in a lowercase i when followed by accents. 841b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 842b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Introduce an explicit dot above when lowercasing capital I's and J's 843b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # whenever there are more accents above. 844b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # (of the accents used in Lithuanian: grave, acute, tilde above, and ogonek) 845b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 846b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0049; 0069 0307; 0049; 0049; lt More_Above; # LATIN CAPITAL LETTER I 847b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 004A; 006A 0307; 004A; 004A; lt More_Above; # LATIN CAPITAL LETTER J 848b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 012E; 012F 0307; 012E; 012E; lt More_Above; # LATIN CAPITAL LETTER I WITH OGONEK 849b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 00CC; 0069 0307 0300; 00CC; 00CC; lt; # LATIN CAPITAL LETTER I WITH GRAVE 850b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 00CD; 0069 0307 0301; 00CD; 00CD; lt; # LATIN CAPITAL LETTER I WITH ACUTE 851b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0128; 0069 0307 0303; 0128; 0128; lt; # LATIN CAPITAL LETTER I WITH TILDE 852b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 853b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru switch(c) { 854b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x49: /* LATIN CAPITAL LETTER I */ 855b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDot; 856b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 2; 857b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x4a: /* LATIN CAPITAL LETTER J */ 858b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=jDot; 859b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 2; 860b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x12e: /* LATIN CAPITAL LETTER I WITH OGONEK */ 861b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iOgonekDot; 862b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 2; 863b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0xcc: /* LATIN CAPITAL LETTER I WITH GRAVE */ 864b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDotGrave; 865b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 3; 866b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0xcd: /* LATIN CAPITAL LETTER I WITH ACUTE */ 867b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDotAcute; 868b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 3; 869b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case 0x128: /* LATIN CAPITAL LETTER I WITH TILDE */ 870b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDotTilde; 871b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 3; 872b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru default: 873b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0; /* will not occur */ 874b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 875b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* # Turkish and Azeri */ 876c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } else if(loc==UCASE_LOC_TURKISH && c==0x130) { 877b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 878b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # I and i-dotless; I-dot and i are case pairs in Turkish and Azeri 879b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # The following rules handle those cases. 880b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 881b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0130; 0069; 0130; 0130; tr # LATIN CAPITAL LETTER I WITH DOT ABOVE 882b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0130; 0069; 0130; 0130; az # LATIN CAPITAL LETTER I WITH DOT ABOVE 883b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 884b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x69; 885c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } else if(loc==UCASE_LOC_TURKISH && c==0x307 && isPrecededBy_I(csp, iter, context)) { 886b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 887b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # When lowercasing, remove dot_above in the sequence I + dot_above, which will turn into i. 888b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # This matches the behavior of the canonically equivalent I-dot_above 889b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 890b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0307; ; 0307; 0307; tr After_I; # COMBINING DOT ABOVE 891b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0307; ; 0307; 0307; az After_I; # COMBINING DOT ABOVE 892b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 893b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0; /* remove the dot (continue without output) */ 894c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } else if(loc==UCASE_LOC_TURKISH && c==0x49 && !isFollowedByDotAbove(csp, iter, context)) { 895b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 896b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # When lowercasing, unless an I is before a dot_above, it turns into a dotless i. 897b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 898b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0049; 0131; 0049; 0049; tr Not_Before_Dot; # LATIN CAPITAL LETTER I 899b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0049; 0131; 0049; 0049; az Not_Before_Dot; # LATIN CAPITAL LETTER I 900b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 901b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x131; 902b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(c==0x130) { 903b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 904b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Preserve canonical equivalence for I with dot. Turkic is handled below. 905b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 906b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0130; 0069 0307; 0130; 0130; # LATIN CAPITAL LETTER I WITH DOT ABOVE 907b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 908b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDot; 909b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 2; 910b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if( c==0x3a3 && 911b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru !isFollowedByCasedLetter(csp, iter, context, 1) && 912b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru isFollowedByCasedLetter(csp, iter, context, -1) /* -1=preceded */ 913b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ) { 914b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* greek capital sigma maps depending on surrounding cased letters (see SpecialCasing.txt) */ 915b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 916b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Special case for final form of sigma 917b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 918b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 03A3; 03C2; 03A3; 03A3; Final_Sigma; # GREEK CAPITAL LETTER SIGMA 919b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 920b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x3c2; /* greek small final sigma */ 921b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 922b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* no known conditional special case mapping, use a normal mapping */ 923b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 924b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_FULL_MAPPINGS)) { 925b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_FULL_MAPPINGS, pe, full); 926b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full&=UCASE_FULL_LOWER; 927b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(full!=0) { 928b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* set the output pointer to the lowercase mapping */ 92983a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius *pString=reinterpret_cast<const UChar *>(pe+1); 930b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 931b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* return the string length */ 932b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return full; 933b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 934b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 935b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 936b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_LOWER)) { 937b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_LOWER, pe2, result); 938b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 939b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 940b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 941b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (result==c) ? ~result : result; 942b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 943b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 944b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* internal */ 945b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic int32_t 946b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QuerutoUpperOrTitle(const UCaseProps *csp, UChar32 c, 947b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UCaseContextIterator *iter, void *context, 948b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar **pString, 949b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *locale, int32_t *locCache, 950b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UBool upperNotTitle) { 951b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru UChar32 result=c; 952b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 953b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 954b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)==UCASE_LOWER) { 955b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru result=c+UCASE_GET_DELTA(props); 956b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 957b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 958b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props), *pe2; 959b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 960b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru int32_t full, idx; 961b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 962b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe2=pe; 963b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 964b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(excWord&UCASE_EXC_CONDITIONAL_SPECIAL) { 965b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* use hardcoded conditions and mappings */ 966b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t loc=ucase_getCaseLocale(locale, locCache); 967b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 968c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if(loc==UCASE_LOC_TURKISH && c==0x69) { 969b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 970b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Turkish and Azeri 971b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 972b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # I and i-dotless; I-dot and i are case pairs in Turkish and Azeri 973b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # The following rules handle those cases. 974b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 975b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # When uppercasing, i turns into a dotted capital I 976b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 977b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0069; 0069; 0130; 0130; tr; # LATIN SMALL LETTER I 978b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0069; 0069; 0130; 0130; az; # LATIN SMALL LETTER I 979b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 980b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x130; 981c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } else if(loc==UCASE_LOC_LITHUANIAN && c==0x307 && isPrecededBySoftDotted(csp, iter, context)) { 982b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 983b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Lithuanian 984b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 985b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Lithuanian retains the dot in a lowercase i when followed by accents. 986b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 987b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru # Remove DOT ABOVE after "i" with upper or titlecase 988b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 989b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 0307; 0307; ; ; lt After_Soft_Dotted; # COMBINING DOT ABOVE 990b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 991b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0; /* remove the dot (continue without output) */ 992b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 993b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* no known conditional special case mapping, use a normal mapping */ 994b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 995b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_FULL_MAPPINGS)) { 996b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_FULL_MAPPINGS, pe, full); 997b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 998b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* start of full case mapping strings */ 999b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ++pe; 1000b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1001b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* skip the lowercase and case-folding result strings */ 1002b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=full&UCASE_FULL_LOWER; 1003b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full>>=4; 1004b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=full&0xf; 1005b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full>>=4; 1006b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1007b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(upperNotTitle) { 1008b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full&=0xf; 1009b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1010b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* skip the uppercase result string */ 1011b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=full&0xf; 1012b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full=(full>>4)&0xf; 1013b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1014b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1015b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(full!=0) { 1016b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* set the output pointer to the result string */ 101783a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius *pString=reinterpret_cast<const UChar *>(pe); 1018b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1019b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* return the string length */ 1020b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return full; 1021b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1022b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1023b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1024b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!upperNotTitle && HAS_SLOT(excWord, UCASE_EXC_TITLE)) { 1025b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_TITLE; 1026b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_UPPER)) { 1027b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* here, titlecase is same as uppercase */ 1028b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_UPPER; 1029b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1030b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ~c; 1031b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1032b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru GET_SLOT_VALUE(excWord, idx, pe2, result); 1033b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1034b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1035b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (result==c) ? ~result : result; 1036b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1037b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1038b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 1039b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_toFullUpper(const UCaseProps *csp, UChar32 c, 1040b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UCaseContextIterator *iter, void *context, 1041b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar **pString, 1042b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *locale, int32_t *locCache) { 1043b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return toUpperOrTitle(csp, c, iter, context, pString, locale, locCache, TRUE); 1044b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1045b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1046b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 1047b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_toFullTitle(const UCaseProps *csp, UChar32 c, 1048b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UCaseContextIterator *iter, void *context, 1049b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar **pString, 1050b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *locale, int32_t *locCache) { 1051b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return toUpperOrTitle(csp, c, iter, context, pString, locale, locCache, FALSE); 1052b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1053b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1054b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* case folding ------------------------------------------------------------- */ 1055b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1056b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 1057b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Case folding is similar to lowercasing. 1058b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The result may be a simple mapping, i.e., a single code point, or 1059b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * a full mapping, i.e., a string. 1060b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * If the case folding for a code point is the same as its simple (1:1) lowercase mapping, 1061b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * then only the lowercase mapping is stored. 1062b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1063b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Some special cases are hardcoded because their conditions cannot be 1064b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * parsed and processed from CaseFolding.txt. 1065b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1066b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Unicode 3.2 CaseFolding.txt specifies for its status field: 1067b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1068b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# C: common case folding, common mappings shared by both simple and full mappings. 1069b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# F: full case folding, mappings that cause strings to grow in length. Multiple characters are separated by spaces. 1070b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# S: simple case folding, mappings to single characters where different from F. 1071b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# T: special case for uppercase I and dotted uppercase I 1072b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# - For non-Turkic languages, this mapping is normally not used. 1073b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# - For Turkic languages (tr, az), this mapping can be used instead of the normal mapping for these characters. 1074b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# 1075b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# Usage: 1076b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# A. To do a simple case folding, use the mappings with status C + S. 1077b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# B. To do a full case folding, use the mappings with status C + F. 1078b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# 1079b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# The mappings with status T can be used or omitted depending on the desired case-folding 1080b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# behavior. (The default option is to exclude them.) 1081b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1082b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Unicode 3.2 has 'T' mappings as follows: 1083b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1084b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru0049; T; 0131; # LATIN CAPITAL LETTER I 1085b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru0130; T; 0069; # LATIN CAPITAL LETTER I WITH DOT ABOVE 1086b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1087b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * while the default mappings for these code points are: 1088b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1089b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru0049; C; 0069; # LATIN CAPITAL LETTER I 1090b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru0130; F; 0069 0307; # LATIN CAPITAL LETTER I WITH DOT ABOVE 1091b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1092b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * U+0130 has no simple case folding (simple-case-folds to itself). 1093b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1094b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1095b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* return the simple case folding mapping for c */ 1096b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 1097b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_fold(const UCaseProps *csp, UChar32 c, uint32_t options) { 1098b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 1099b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 1100b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)>=UCASE_UPPER) { 1101b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru c+=UCASE_GET_DELTA(props); 1102b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1103b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1104b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props); 1105b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 1106b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru int32_t idx; 1107b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(excWord&UCASE_EXC_CONDITIONAL_FOLD) { 1108b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* special case folding mappings, hardcoded */ 1109b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if((options&_FOLD_CASE_OPTIONS_MASK)==U_FOLD_CASE_DEFAULT) { 1110b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* default mappings */ 1111b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x49) { 1112b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0049; C; 0069; # LATIN CAPITAL LETTER I */ 1113b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x69; 1114b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(c==0x130) { 1115b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* no simple case folding for U+0130 */ 1116b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 1117b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1118b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1119b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Turkic mappings */ 1120b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x49) { 1121b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0049; T; 0131; # LATIN CAPITAL LETTER I */ 1122b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x131; 1123b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(c==0x130) { 1124b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0130; T; 0069; # LATIN CAPITAL LETTER I WITH DOT ABOVE */ 1125b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x69; 1126b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1127b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1128b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1129b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_FOLD)) { 1130b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_FOLD; 1131b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_LOWER)) { 1132b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_LOWER; 1133b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1134b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 1135b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1136b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru GET_SLOT_VALUE(excWord, idx, pe, c); 1137b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1138b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return c; 1139b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1140b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1141b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 1142b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Issue for canonical caseless match (UAX #21): 1143b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Turkic casefolding (using "T" mappings in CaseFolding.txt) does not preserve 1144b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * canonical equivalence, unlike default-option casefolding. 1145b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * For example, I-grave and I + grave fold to strings that are not canonically 1146b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * equivalent. 1147b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * For more details, see the comment in unorm_compare() in unorm.cpp 1148b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * and the intermediate prototype changes for Jitterbug 2021. 1149b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (For example, revision 1.104 of uchar.c and 1.4 of CaseFolding.txt.) 1150b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1151b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * This did not get fixed because it appears that it is not possible to fix 1152b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * it for uppercase and lowercase characters (I-grave vs. i-grave) 1153b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * together in a way that they still fold to common result strings. 1154b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1155b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1156b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 1157b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_toFullFolding(const UCaseProps *csp, UChar32 c, 1158b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UChar **pString, 1159c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru uint32_t options) 1160c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru{ 1161b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru UChar32 result=c; 1162b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru uint16_t props=UTRIE2_GET16(&csp->trie, c); 1163b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(!PROPS_HAS_EXCEPTION(props)) { 1164b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(UCASE_GET_TYPE(props)>=UCASE_UPPER) { 1165b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru result=c+UCASE_GET_DELTA(props); 1166b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1167b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1168b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const uint16_t *pe=GET_EXCEPTIONS(csp, props), *pe2; 1169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t excWord=*pe++; 1170b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru int32_t full, idx; 1171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe2=pe; 1173b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1174b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(excWord&UCASE_EXC_CONDITIONAL_FOLD) { 1175b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* use hardcoded conditions and mappings */ 1176b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if((options&_FOLD_CASE_OPTIONS_MASK)==U_FOLD_CASE_DEFAULT) { 1177b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* default mappings */ 1178b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x49) { 1179b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0049; C; 0069; # LATIN CAPITAL LETTER I */ 1180b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x69; 1181b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(c==0x130) { 1182b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0130; F; 0069 0307; # LATIN CAPITAL LETTER I WITH DOT ABOVE */ 1183b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *pString=iDot; 1184b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 2; 1185b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1186b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1187b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Turkic mappings */ 1188b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(c==0x49) { 1189b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0049; T; 0131; # LATIN CAPITAL LETTER I */ 1190b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x131; 1191b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(c==0x130) { 1192b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 0130; T; 0069; # LATIN CAPITAL LETTER I WITH DOT ABOVE */ 1193b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0x69; 1194b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1195b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1196b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_FULL_MAPPINGS)) { 1197b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GET_SLOT_VALUE(excWord, UCASE_EXC_FULL_MAPPINGS, pe, full); 1198b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* start of full case mapping strings */ 1200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ++pe; 1201b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* skip the lowercase result string */ 1203b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru pe+=full&UCASE_FULL_LOWER; 1204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru full=(full>>4)&0xf; 1205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(full!=0) { 1207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* set the output pointer to the result string */ 120883a171d1a62abf406f7f44ae671823d5ec20db7dCraig Cornelius *pString=reinterpret_cast<const UChar *>(pe); 1209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* return the string length */ 1211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return full; 1212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1213b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1214b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1215b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(HAS_SLOT(excWord, UCASE_EXC_FOLD)) { 1216b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_FOLD; 1217b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else if(HAS_SLOT(excWord, UCASE_EXC_LOWER)) { 1218b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru idx=UCASE_EXC_LOWER; 1219b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 1220b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ~c; 1221b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1222b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru GET_SLOT_VALUE(excWord, idx, pe2, result); 1223b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1224b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1225b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (result==c) ? ~result : result; 1226b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1227b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1228b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* case mapping properties API ---------------------------------------------- */ 1229b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1230c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru#define GET_CASE_PROPS() &ucase_props_singleton 1231b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1232b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* public API (see uchar.h) */ 1233b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1234b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 1235b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_isULowercase(UChar32 c) { 1236b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(UCASE_LOWER==ucase_getType(GET_CASE_PROPS(), c)); 1237b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1238b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1239b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 1240b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_isUUppercase(UChar32 c) { 1241b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(UCASE_UPPER==ucase_getType(GET_CASE_PROPS(), c)); 1242b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1243b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1244b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Transforms the Unicode character to its lower case equivalent.*/ 1245b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 1246b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_tolower(UChar32 c) { 1247b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_tolower(GET_CASE_PROPS(), c); 1248b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1249b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1250b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Transforms the Unicode character to its upper case equivalent.*/ 1251b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 1252b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_toupper(UChar32 c) { 1253b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_toupper(GET_CASE_PROPS(), c); 1254b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1255b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1256b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Transforms the Unicode character to its title case equivalent.*/ 1257b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 1258b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_totitle(UChar32 c) { 1259b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_totitle(GET_CASE_PROPS(), c); 1260b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1261b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1262b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* return the simple case folding mapping for c */ 1263b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UChar32 U_EXPORT2 1264b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_foldCase(UChar32 c, uint32_t options) { 1265b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_fold(GET_CASE_PROPS(), c, options); 1266b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1267b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1268b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CFUNC int32_t U_EXPORT2 1269b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruucase_hasBinaryProperty(UChar32 c, UProperty which) { 1270b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* case mapping properties */ 127150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho const UChar *resultString; 127250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho int32_t locCache; 1273b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const UCaseProps *csp=GET_CASE_PROPS(); 1274b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(csp==NULL) { 1275b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 1276b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1277b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru switch(which) { 1278b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case UCHAR_LOWERCASE: 1279b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(UCASE_LOWER==ucase_getType(csp, c)); 1280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case UCHAR_UPPERCASE: 1281b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(UCASE_UPPER==ucase_getType(csp, c)); 1282b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case UCHAR_SOFT_DOTTED: 1283b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_isSoftDotted(csp, c); 1284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru case UCHAR_CASE_SENSITIVE: 1285b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ucase_isCaseSensitive(csp, c); 128650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CASED: 128750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)(UCASE_NONE!=ucase_getType(csp, c)); 128850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CASE_IGNORABLE: 128950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)(ucase_getTypeOrIgnorable(csp, c)>>2); 129050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* 129150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * Note: The following Changes_When_Xyz are defined as testing whether 129250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * the NFD form of the input changes when Xyz-case-mapped. 129350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * However, this simpler implementation of these properties, 129450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * ignoring NFD, passes the tests. 129550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * The implementation needs to be changed if the tests start failing. 129650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * When that happens, optimizations should be used to work with the 129750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * per-single-code point ucase_toFullXyz() functions unless 129850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * the NFD form has more than one code point, 129950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * and the property starts set needs to be the union of the 130050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * start sets for normalization and case mappings. 130150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 130250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CHANGES_WHEN_LOWERCASED: 130350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho locCache=UCASE_LOC_ROOT; 130450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)(ucase_toFullLower(csp, c, NULL, NULL, &resultString, "", &locCache)>=0); 130550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CHANGES_WHEN_UPPERCASED: 130650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho locCache=UCASE_LOC_ROOT; 130750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)(ucase_toFullUpper(csp, c, NULL, NULL, &resultString, "", &locCache)>=0); 130850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CHANGES_WHEN_TITLECASED: 130950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho locCache=UCASE_LOC_ROOT; 131050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)(ucase_toFullTitle(csp, c, NULL, NULL, &resultString, "", &locCache)>=0); 131150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* case UCHAR_CHANGES_WHEN_CASEFOLDED: -- in uprops.c */ 131250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho case UCHAR_CHANGES_WHEN_CASEMAPPED: 131350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho locCache=UCASE_LOC_ROOT; 131450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return (UBool)( 131550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho ucase_toFullLower(csp, c, NULL, NULL, &resultString, "", &locCache)>=0 || 131650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho ucase_toFullUpper(csp, c, NULL, NULL, &resultString, "", &locCache)>=0 || 131750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho ucase_toFullTitle(csp, c, NULL, NULL, &resultString, "", &locCache)>=0); 1318b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru default: 1319b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 1320b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1321b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1322