/* ******************************************************************************** * Copyright (C) 1996-2008, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************** * * File UCHAR.C * * Modification History: * * Date Name Description * 04/02/97 aliu Creation. * 4/15/99 Madhu Updated all the function definitions for C Implementation * 5/20/99 Madhu Added the function u_getVersion() * 8/19/1999 srl Upgraded scripts to Unicode3.0 * 11/11/1999 weiv added u_isalnum(), cleaned comments * 01/11/2000 helena Renamed u_getVersion to u_getUnicodeVersion. * 06/20/2000 helena OS/400 port changes; mostly typecast. ****************************************************************************** */ #include "unicode/utypes.h" #include "unicode/uchar.h" #include "unicode/uscript.h" #include "unicode/udata.h" #include "umutex.h" #include "cmemory.h" #include "ucln_cmn.h" #include "utrie2.h" #include "udataswp.h" #include "unormimp.h" /* JAMO_L_BASE etc. */ #include "uprops.h" #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) /* dynamically loaded Unicode character properties -------------------------- */ #define UCHAR_HARDCODE_DATA 1 #if UCHAR_HARDCODE_DATA /* uchar_props_data.c is machine-generated by genprops --csource */ #include "uchar_props_data.c" #else /* * loaded uprops.dat - * for a description of the file format, see icu/source/tools/genprops/store.c */ static const char DATA_NAME[] = "uprops"; static const char DATA_TYPE[] = "icu"; static UDataMemory *propsData=NULL; static UErrorCode dataErrorCode=U_ZERO_ERROR; static uint8_t formatVersion[4]={ 0, 0, 0, 0 }; static UVersionInfo dataVersion={ 0, 0, 0, 0 }; static UTrie propsTrie={ 0 }, propsVectorsTrie={ 0 }; static const uint32_t *pData32=NULL, *propsVectors=NULL; static int32_t countPropsVectors=0, propsVectorsColumns=0; static int8_t havePropsData=0; /* == 0 -> Data has not been loaded. * < 0 -> Error occured attempting to load data. * > 0 -> Data has been successfully loaded. */ /* index values loaded from uprops.dat */ static int32_t indexes[UPROPS_INDEX_COUNT]; static UBool U_CALLCONV isAcceptable(void *context, const char *type, const char *name, const UDataInfo *pInfo) { if( pInfo->size>=20 && pInfo->isBigEndian==U_IS_BIG_ENDIAN && pInfo->charsetFamily==U_CHARSET_FAMILY && pInfo->dataFormat[0]==0x55 && /* dataFormat="UPro" */ pInfo->dataFormat[1]==0x50 && pInfo->dataFormat[2]==0x72 && pInfo->dataFormat[3]==0x6f && pInfo->formatVersion[0]==4 && pInfo->formatVersion[2]==UTRIE_SHIFT && pInfo->formatVersion[3]==UTRIE_INDEX_SHIFT ) { uprv_memcpy(formatVersion, pInfo->formatVersion, 4); uprv_memcpy(dataVersion, pInfo->dataVersion, 4); return TRUE; } else { return FALSE; } } static UBool U_CALLCONV uchar_cleanup(void) { if (propsData) { udata_close(propsData); propsData=NULL; } pData32=NULL; propsVectors=NULL; countPropsVectors=0; uprv_memset(dataVersion, 0, U_MAX_VERSION_LENGTH); dataErrorCode=U_ZERO_ERROR; havePropsData=0; return TRUE; } struct UCharProps { UDataMemory *propsData; UTrie propsTrie, propsVectorsTrie; const uint32_t *pData32; }; typedef struct UCharProps UCharProps; /* open uprops.icu */ static void _openProps(UCharProps *ucp, UErrorCode *pErrorCode) { const uint32_t *p; int32_t length; ucp->propsData=udata_openChoice(NULL, DATA_TYPE, DATA_NAME, isAcceptable, NULL, pErrorCode); if(U_FAILURE(*pErrorCode)) { return; } ucp->pData32=p=(const uint32_t *)udata_getMemory(ucp->propsData); /* unserialize the trie; it is directly after the int32_t indexes[UPROPS_INDEX_COUNT] */ length=(int32_t)p[UPROPS_PROPS32_INDEX]*4; length=utrie_unserialize(&ucp->propsTrie, (const uint8_t *)(p+UPROPS_INDEX_COUNT), length-64, pErrorCode); if(U_FAILURE(*pErrorCode)) { return; } /* unserialize the properties vectors trie */ length=(int32_t)(p[UPROPS_ADDITIONAL_VECTORS_INDEX]-p[UPROPS_ADDITIONAL_TRIE_INDEX])*4; if(length>0) { length=utrie_unserialize(&ucp->propsVectorsTrie, (const uint8_t *)(p+p[UPROPS_ADDITIONAL_TRIE_INDEX]), length, pErrorCode); } if(length<=0 || U_FAILURE(*pErrorCode)) { /* * length==0: * Allow the properties vectors trie to be missing - * also requires propsVectorsColumns=indexes[UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX] * to be zero so that this trie is never accessed. */ uprv_memset(&ucp->propsVectorsTrie, 0, sizeof(ucp->propsVectorsTrie)); } } #endif #if !UCHAR_HARDCODE_DATA static int8_t uprv_loadPropsData(UErrorCode *pErrorCode) { /* load Unicode character properties data from file if necessary */ /* * This lazy intialization with double-checked locking (without mutex protection for * haveNormData==0) is transiently unsafe under certain circumstances. * Check the readme and use u_init() if necessary. */ if(havePropsData==0) { UCharProps ucp={ NULL }; if(U_FAILURE(*pErrorCode)) { return havePropsData; } /* open the data outside the mutex block */ _openProps(&ucp, pErrorCode); if(U_SUCCESS(*pErrorCode)) { /* in the mutex block, set the data for this process */ umtx_lock(NULL); if(propsData==NULL) { propsData=ucp.propsData; ucp.propsData=NULL; pData32=ucp.pData32; ucp.pData32=NULL; uprv_memcpy(&propsTrie, &ucp.propsTrie, sizeof(propsTrie)); uprv_memcpy(&propsVectorsTrie, &ucp.propsVectorsTrie, sizeof(propsVectorsTrie)); } /* initialize some variables */ uprv_memcpy(indexes, pData32, sizeof(indexes)); /* additional properties */ if(indexes[UPROPS_ADDITIONAL_VECTORS_INDEX]!=0) { propsVectors=pData32+indexes[UPROPS_ADDITIONAL_VECTORS_INDEX]; countPropsVectors=indexes[UPROPS_RESERVED_INDEX]-indexes[UPROPS_ADDITIONAL_VECTORS_INDEX]; propsVectorsColumns=indexes[UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX]; } havePropsData=1; umtx_unlock(NULL); } else { dataErrorCode=*pErrorCode; havePropsData=-1; } ucln_common_registerCleanup(UCLN_COMMON_UCHAR, uchar_cleanup); /* if a different thread set it first, then close the extra data */ udata_close(ucp.propsData); /* NULL if it was set correctly */ } return havePropsData; } static int8_t loadPropsData(void) { UErrorCode errorCode = U_ZERO_ERROR; int8_t retVal = uprv_loadPropsData(&errorCode); return retVal; } #endif /* constants and macros for access to the data ------------------------------ */ /* getting a uint32_t properties word from the data */ #if UCHAR_HARDCODE_DATA #define GET_PROPS(c, result) ((result)=UTRIE2_GET16(&propsTrie, c)); #else #define HAVE_DATA (havePropsData>0 || loadPropsData()>0) #define GET_PROPS_UNSAFE(c, result) \ UTRIE_GET16(&propsTrie, c, result); #define GET_PROPS(c, result) \ if(HAVE_DATA) { \ GET_PROPS_UNSAFE(c, result); \ } else { \ (result)=0; \ } #endif U_CFUNC UBool uprv_haveProperties(UErrorCode *pErrorCode) { if(U_FAILURE(*pErrorCode)) { return FALSE; } #if !UCHAR_HARDCODE_DATA if(havePropsData==0) { uprv_loadPropsData(pErrorCode); } if(havePropsData<0) { *pErrorCode=dataErrorCode; return FALSE; } #endif return TRUE; } /* API functions ------------------------------------------------------------ */ /* Gets the Unicode character's general category.*/ U_CAPI int8_t U_EXPORT2 u_charType(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (int8_t)GET_CATEGORY(props); } /* Enumerate all code points with their general categories. */ struct _EnumTypeCallback { UCharEnumTypeRange *enumRange; const void *context; }; static uint32_t U_CALLCONV _enumTypeValue(const void *context, uint32_t value) { return GET_CATEGORY(value); } static UBool U_CALLCONV _enumTypeRange(const void *context, UChar32 start, UChar32 end, uint32_t value) { /* just cast the value to UCharCategory */ return ((struct _EnumTypeCallback *)context)-> enumRange(((struct _EnumTypeCallback *)context)->context, start, end+1, (UCharCategory)value); } U_CAPI void U_EXPORT2 u_enumCharTypes(UCharEnumTypeRange *enumRange, const void *context) { struct _EnumTypeCallback callback; if(enumRange==NULL #if !UCHAR_HARDCODE_DATA || !HAVE_DATA #endif ) { return; } callback.enumRange=enumRange; callback.context=context; utrie2_enum(&propsTrie, _enumTypeValue, _enumTypeRange, &callback); } /* Checks if ch is a lower case letter.*/ U_CAPI UBool U_EXPORT2 u_islower(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_LOWERCASE_LETTER); } /* Checks if ch is an upper case letter.*/ U_CAPI UBool U_EXPORT2 u_isupper(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_UPPERCASE_LETTER); } /* Checks if ch is a title case letter; usually upper case letters.*/ U_CAPI UBool U_EXPORT2 u_istitle(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_TITLECASE_LETTER); } /* Checks if ch is a decimal digit. */ U_CAPI UBool U_EXPORT2 u_isdigit(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_DECIMAL_DIGIT_NUMBER); } U_CAPI UBool U_EXPORT2 u_isxdigit(UChar32 c) { uint32_t props; /* check ASCII and Fullwidth ASCII a-fA-F */ if( (c<=0x66 && c>=0x41 && (c<=0x46 || c>=0x61)) || (c>=0xff21 && c<=0xff46 && (c<=0xff26 || c>=0xff41)) ) { return TRUE; } GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_DECIMAL_DIGIT_NUMBER); } /* Checks if the Unicode character is a letter.*/ U_CAPI UBool U_EXPORT2 u_isalpha(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&U_GC_L_MASK)!=0); } U_CAPI UBool U_EXPORT2 u_isUAlphabetic(UChar32 c) { return (u_getUnicodeProperties(c, 1)&U_MASK(UPROPS_ALPHABETIC))!=0; } /* Checks if c is a letter or a decimal digit */ U_CAPI UBool U_EXPORT2 u_isalnum(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_ND_MASK))!=0); } /** * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM. * @internal */ U_CFUNC UBool u_isalnumPOSIX(UChar32 c) { return (UBool)(u_isUAlphabetic(c) || u_isdigit(c)); } /* Checks if ch is a unicode character with assigned character type.*/ U_CAPI UBool U_EXPORT2 u_isdefined(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)!=0); } /* Checks if the Unicode character is a base form character that can take a diacritic.*/ U_CAPI UBool U_EXPORT2 u_isbase(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_N_MASK|U_GC_MC_MASK|U_GC_ME_MASK))!=0); } /* Checks if the Unicode character is a control character.*/ U_CAPI UBool U_EXPORT2 u_iscntrl(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&(U_GC_CC_MASK|U_GC_CF_MASK|U_GC_ZL_MASK|U_GC_ZP_MASK))!=0); } U_CAPI UBool U_EXPORT2 u_isISOControl(UChar32 c) { return (uint32_t)c<=0x9f && (c<=0x1f || c>=0x7f); } /* Some control characters that are used as space. */ #define IS_THAT_CONTROL_SPACE(c) \ (c<=0x9f && ((c>=TAB && c<=CR) || (c>=0x1c && c <=0x1f) || c==NL)) /* Checks if the Unicode character is a space character.*/ U_CAPI UBool U_EXPORT2 u_isspace(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&U_GC_Z_MASK)!=0 || IS_THAT_CONTROL_SPACE(c)); } U_CAPI UBool U_EXPORT2 u_isJavaSpaceChar(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&U_GC_Z_MASK)!=0); } /* Checks if the Unicode character is a whitespace character.*/ U_CAPI UBool U_EXPORT2 u_isWhitespace(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)( ((CAT_MASK(props)&U_GC_Z_MASK)!=0 && c!=NBSP && c!=FIGURESP && c!=NNBSP) || /* exclude no-break spaces */ IS_THAT_CONTROL_SPACE(c) ); } U_CAPI UBool U_EXPORT2 u_isblank(UChar32 c) { if((uint32_t)c<=0x9f) { return c==9 || c==0x20; /* TAB or SPACE */ } else { /* Zs */ uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_SPACE_SEPARATOR); } } U_CAPI UBool U_EXPORT2 u_isUWhiteSpace(UChar32 c) { return (u_getUnicodeProperties(c, 1)&U_MASK(UPROPS_WHITE_SPACE))!=0; } /* Checks if the Unicode character is printable.*/ U_CAPI UBool U_EXPORT2 u_isprint(UChar32 c) { uint32_t props; GET_PROPS(c, props); /* comparing ==0 returns FALSE for the categories mentioned */ return (UBool)((CAT_MASK(props)&U_GC_C_MASK)==0); } /** * Checks if c is in \p{graph}\p{blank} - \p{cntrl}. * Implements UCHAR_POSIX_PRINT. * @internal */ U_CFUNC UBool u_isprintPOSIX(UChar32 c) { uint32_t props; GET_PROPS(c, props); /* * The only cntrl character in graph+blank is TAB (in blank). * Here we implement (blank-TAB)=Zs instead of calling u_isblank(). */ return (UBool)((GET_CATEGORY(props)==U_SPACE_SEPARATOR) || u_isgraphPOSIX(c)); } U_CAPI UBool U_EXPORT2 u_isgraph(UChar32 c) { uint32_t props; GET_PROPS(c, props); /* comparing ==0 returns FALSE for the categories mentioned */ return (UBool)((CAT_MASK(props)& (U_GC_CC_MASK|U_GC_CF_MASK|U_GC_CS_MASK|U_GC_CN_MASK|U_GC_Z_MASK)) ==0); } /** * Checks if c is in * [^\p{space}\p{gc=Control}\p{gc=Surrogate}\p{gc=Unassigned}] * with space=\p{Whitespace} and Control=Cc. * Implements UCHAR_POSIX_GRAPH. * @internal */ U_CFUNC UBool u_isgraphPOSIX(UChar32 c) { uint32_t props; GET_PROPS(c, props); /* \p{space}\p{gc=Control} == \p{gc=Z}\p{Control} */ /* comparing ==0 returns FALSE for the categories mentioned */ return (UBool)((CAT_MASK(props)& (U_GC_CC_MASK|U_GC_CS_MASK|U_GC_CN_MASK|U_GC_Z_MASK)) ==0); } U_CAPI UBool U_EXPORT2 u_ispunct(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&U_GC_P_MASK)!=0); } /* Checks if the Unicode character can start a Unicode identifier.*/ U_CAPI UBool U_EXPORT2 u_isIDStart(UChar32 c) { /* same as u_isalpha() */ uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_NL_MASK))!=0); } /* Checks if the Unicode character can be a Unicode identifier part other than starting the identifier.*/ U_CAPI UBool U_EXPORT2 u_isIDPart(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)( (CAT_MASK(props)& (U_GC_ND_MASK|U_GC_NL_MASK| U_GC_L_MASK| U_GC_PC_MASK|U_GC_MC_MASK|U_GC_MN_MASK) )!=0 || u_isIDIgnorable(c)); } /*Checks if the Unicode character can be ignorable in a Java or Unicode identifier.*/ U_CAPI UBool U_EXPORT2 u_isIDIgnorable(UChar32 c) { if(c<=0x9f) { return u_isISOControl(c) && !IS_THAT_CONTROL_SPACE(c); } else { uint32_t props; GET_PROPS(c, props); return (UBool)(GET_CATEGORY(props)==U_FORMAT_CHAR); } } /*Checks if the Unicode character can start a Java identifier.*/ U_CAPI UBool U_EXPORT2 u_isJavaIDStart(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_SC_MASK|U_GC_PC_MASK))!=0); } /*Checks if the Unicode character can be a Java identifier part other than starting the * identifier. */ U_CAPI UBool U_EXPORT2 u_isJavaIDPart(UChar32 c) { uint32_t props; GET_PROPS(c, props); return (UBool)( (CAT_MASK(props)& (U_GC_ND_MASK|U_GC_NL_MASK| U_GC_L_MASK| U_GC_SC_MASK|U_GC_PC_MASK| U_GC_MC_MASK|U_GC_MN_MASK) )!=0 || u_isIDIgnorable(c)); } U_CAPI int32_t U_EXPORT2 u_charDigitValue(UChar32 c) { uint32_t props; GET_PROPS(c, props); if(GET_NUMERIC_TYPE(props)==1) { return GET_NUMERIC_VALUE(props); } else { return -1; } } U_CAPI double U_EXPORT2 u_getNumericValue(UChar32 c) { uint32_t props, numericType, numericValue; GET_PROPS(c, props); numericType=GET_NUMERIC_TYPE(props); if(numericType==0 || numericType>=UPROPS_NT_COUNT) { return U_NO_NUMERIC_VALUE; } numericValue=GET_NUMERIC_VALUE(props); if(numericType<U_NT_COUNT) { /* normal type, the value is stored directly */ return numericValue; } else if(numericType==UPROPS_NT_FRACTION) { /* fraction value */ int32_t numerator; uint32_t denominator; numerator=(int32_t)numericValue>>UPROPS_FRACTION_NUM_SHIFT; denominator=(numericValue&UPROPS_FRACTION_DEN_MASK)+UPROPS_FRACTION_DEN_OFFSET; if(numerator==0) { numerator=-1; } return (double)numerator/(double)denominator; } else /* numericType==UPROPS_NT_LARGE */ { /* large value with exponent */ double numValue; int32_t mant, exp; mant=(int32_t)numericValue>>UPROPS_LARGE_MANT_SHIFT; exp=(int32_t)numericValue&UPROPS_LARGE_EXP_MASK; if(mant==0) { mant=1; exp+=UPROPS_LARGE_EXP_OFFSET_EXTRA; } else if(mant>9) { return U_NO_NUMERIC_VALUE; /* reserved mantissa value */ } else { exp+=UPROPS_LARGE_EXP_OFFSET; } numValue=mant; /* multiply by 10^exp without math.h */ while(exp>=4) { numValue*=10000.; exp-=4; } switch(exp) { case 3: numValue*=1000.; break; case 2: numValue*=100.; break; case 1: numValue*=10.; break; case 0: default: break; } return numValue; } } /* ICU 3.4: bidi/shaping properties moved to ubidi_props.c */ /* ICU 2.1: u_getCombiningClass() moved to unorm.cpp */ U_CAPI int32_t U_EXPORT2 u_digit(UChar32 ch, int8_t radix) { int8_t value; if((uint8_t)(radix-2)<=(36-2)) { value=(int8_t)u_charDigitValue(ch); if(value<0) { /* ch is not a decimal digit, try latin letters */ if(ch>=0x61 && ch<=0x7A) { value=(int8_t)(ch-0x57); /* ch - 'a' + 10 */ } else if(ch>=0x41 && ch<=0x5A) { value=(int8_t)(ch-0x37); /* ch - 'A' + 10 */ } else if(ch>=0xFF41 && ch<=0xFF5A) { value=(int8_t)(ch-0xFF37); /* fullwidth ASCII a-z */ } else if(ch>=0xFF21 && ch<=0xFF3A) { value=(int8_t)(ch-0xFF17); /* fullwidth ASCII A-Z */ } } } else { value=-1; /* invalid radix */ } return (int8_t)((value<radix) ? value : -1); } U_CAPI UChar32 U_EXPORT2 u_forDigit(int32_t digit, int8_t radix) { if((uint8_t)(radix-2)>(36-2) || (uint32_t)digit>=(uint32_t)radix) { return 0; } else if(digit<10) { return (UChar32)(0x30+digit); } else { return (UChar32)((0x61-10)+digit); } } /* miscellaneous, and support for uprops.c ---------------------------------- */ U_CAPI void U_EXPORT2 u_getUnicodeVersion(UVersionInfo versionArray) { if(versionArray!=NULL) { uprv_memcpy(versionArray, dataVersion, U_MAX_VERSION_LENGTH); } } U_CFUNC uint32_t u_getUnicodeProperties(UChar32 c, int32_t column) { uint16_t vecIndex; if(column==-1) { uint32_t props; GET_PROPS(c, props); return props; } else if( #if !UCHAR_HARDCODE_DATA !HAVE_DATA || countPropsVectors==0 || #endif column<0 || column>=propsVectorsColumns ) { return 0; } else { vecIndex=UTRIE2_GET16(&propsVectorsTrie, c); return propsVectors[vecIndex+column]; } } U_CFUNC int32_t uprv_getMaxValues(int32_t column) { #if !UCHAR_HARDCODE_DATA if(HAVE_DATA) { #endif switch(column) { case 0: return indexes[UPROPS_MAX_VALUES_INDEX]; case 2: return indexes[UPROPS_MAX_VALUES_2_INDEX]; default: return 0; } #if !UCHAR_HARDCODE_DATA } else { return 0; } #endif } /* * get Hangul Syllable Type * implemented here so that uchar.c (uhst_addPropertyStarts()) * does not depend on uprops.c (u_getIntPropertyValue(c, UCHAR_HANGUL_SYLLABLE_TYPE)) */ U_CFUNC UHangulSyllableType uchar_getHST(UChar32 c) { /* purely algorithmic; hardcode known characters, check for assigned new ones */ if(c<JAMO_L_BASE) { /* U_HST_NOT_APPLICABLE */ } else if(c<=0x11ff) { /* Jamo range */ if(c<=0x115f) { /* Jamo L range, HANGUL CHOSEONG ... */ if(c==0x115f || c<=0x1159 || u_charType(c)==U_OTHER_LETTER) { return U_HST_LEADING_JAMO; } } else if(c<=0x11a7) { /* Jamo V range, HANGUL JUNGSEONG ... */ if(c<=0x11a2 || u_charType(c)==U_OTHER_LETTER) { return U_HST_VOWEL_JAMO; } } else { /* Jamo T range */ if(c<=0x11f9 || u_charType(c)==U_OTHER_LETTER) { return U_HST_TRAILING_JAMO; } } } else if((c-=HANGUL_BASE)<0) { /* U_HST_NOT_APPLICABLE */ } else if(c<HANGUL_COUNT) { /* Hangul syllable */ return c%JAMO_T_COUNT==0 ? U_HST_LV_SYLLABLE : U_HST_LVT_SYLLABLE; } return U_HST_NOT_APPLICABLE; } U_CAPI void U_EXPORT2 u_charAge(UChar32 c, UVersionInfo versionArray) { if(versionArray!=NULL) { uint32_t version=u_getUnicodeProperties(c, 0)>>UPROPS_AGE_SHIFT; versionArray[0]=(uint8_t)(version>>4); versionArray[1]=(uint8_t)(version&0xf); versionArray[2]=versionArray[3]=0; } } U_CAPI UScriptCode U_EXPORT2 uscript_getScript(UChar32 c, UErrorCode *pErrorCode) { if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) { return USCRIPT_INVALID_CODE; } if((uint32_t)c>0x10ffff) { *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR; return USCRIPT_INVALID_CODE; } return (UScriptCode)(u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_MASK); } U_CAPI UBlockCode U_EXPORT2 ublock_getCode(UChar32 c) { return (UBlockCode)((u_getUnicodeProperties(c, 0)&UPROPS_BLOCK_MASK)>>UPROPS_BLOCK_SHIFT); } /* property starts for UnicodeSet ------------------------------------------- */ /* for Hangul_Syllable_Type */ U_CFUNC void U_EXPORT2 uhst_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) { UChar32 c; int32_t value, value2; if(U_FAILURE(*pErrorCode)) { return; } #if !UCHAR_HARDCODE_DATA if(!HAVE_DATA) { *pErrorCode=dataErrorCode; return; } #endif /* add code points with hardcoded properties, plus the ones following them */ /* * Add Jamo type boundaries for UCHAR_HANGUL_SYLLABLE_TYPE. * First, we add fixed boundaries for the blocks of Jamos. * Then we check in loops to see where the current Unicode version * actually stops assigning such Jamos. We start each loop * at the end of the per-Jamo-block assignments in Unicode 4 or earlier. * (These have not changed since Unicode 2.) */ sa->add(sa->set, 0x1100); value=U_HST_LEADING_JAMO; for(c=0x115a; c<=0x115f; ++c) { value2=uchar_getHST(c); if(value!=value2) { value=value2; sa->add(sa->set, c); } } sa->add(sa->set, 0x1160); value=U_HST_VOWEL_JAMO; for(c=0x11a3; c<=0x11a7; ++c) { value2=uchar_getHST(c); if(value!=value2) { value=value2; sa->add(sa->set, c); } } sa->add(sa->set, 0x11a8); value=U_HST_TRAILING_JAMO; for(c=0x11fa; c<=0x11ff; ++c) { value2=uchar_getHST(c); if(value!=value2) { value=value2; sa->add(sa->set, c); } } /* Add Hangul type boundaries for UCHAR_HANGUL_SYLLABLE_TYPE. */ for(c=HANGUL_BASE; c<(HANGUL_BASE+HANGUL_COUNT); c+=JAMO_T_COUNT) { sa->add(sa->set, c); sa->add(sa->set, c+1); } sa->add(sa->set, c); } static UBool U_CALLCONV _enumPropertyStartsRange(const void *context, UChar32 start, UChar32 end, uint32_t value) { /* add the start code point to the USet */ const USetAdder *sa=(const USetAdder *)context; sa->add(sa->set, start); return TRUE; } #define USET_ADD_CP_AND_NEXT(sa, cp) sa->add(sa->set, cp); sa->add(sa->set, cp+1) U_CFUNC void U_EXPORT2 uchar_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) { if(U_FAILURE(*pErrorCode)) { return; } #if !UCHAR_HARDCODE_DATA if(!HAVE_DATA) { *pErrorCode=dataErrorCode; return; } #endif /* add the start code point of each same-value range of the main trie */ utrie2_enum(&propsTrie, NULL, _enumPropertyStartsRange, sa); /* add code points with hardcoded properties, plus the ones following them */ /* add for u_isblank() */ USET_ADD_CP_AND_NEXT(sa, TAB); /* add for IS_THAT_CONTROL_SPACE() */ sa->add(sa->set, CR+1); /* range TAB..CR */ sa->add(sa->set, 0x1c); sa->add(sa->set, 0x1f+1); USET_ADD_CP_AND_NEXT(sa, NL); /* add for u_isIDIgnorable() what was not added above */ sa->add(sa->set, DEL); /* range DEL..NBSP-1, NBSP added below */ sa->add(sa->set, HAIRSP); sa->add(sa->set, RLM+1); sa->add(sa->set, INHSWAP); sa->add(sa->set, NOMDIG+1); USET_ADD_CP_AND_NEXT(sa, ZWNBSP); /* add no-break spaces for u_isWhitespace() what was not added above */ USET_ADD_CP_AND_NEXT(sa, NBSP); USET_ADD_CP_AND_NEXT(sa, FIGURESP); USET_ADD_CP_AND_NEXT(sa, NNBSP); /* add for u_digit() */ sa->add(sa->set, U_a); sa->add(sa->set, U_z+1); sa->add(sa->set, U_A); sa->add(sa->set, U_Z+1); sa->add(sa->set, U_FW_a); sa->add(sa->set, U_FW_z+1); sa->add(sa->set, U_FW_A); sa->add(sa->set, U_FW_Z+1); /* add for u_isxdigit() */ sa->add(sa->set, U_f+1); sa->add(sa->set, U_F+1); sa->add(sa->set, U_FW_f+1); sa->add(sa->set, U_FW_F+1); /* add for UCHAR_DEFAULT_IGNORABLE_CODE_POINT what was not added above */ sa->add(sa->set, WJ); /* range WJ..NOMDIG */ sa->add(sa->set, 0xfff0); sa->add(sa->set, 0xfffb+1); sa->add(sa->set, 0xe0000); sa->add(sa->set, 0xe0fff+1); /* add for UCHAR_GRAPHEME_BASE and others */ USET_ADD_CP_AND_NEXT(sa, CGJ); } U_CFUNC void U_EXPORT2 upropsvec_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) { if(U_FAILURE(*pErrorCode)) { return; } #if !UCHAR_HARDCODE_DATA if(!HAVE_DATA) { *pErrorCode=dataErrorCode; return; } #endif /* add the start code point of each same-value range of the properties vectors trie */ if(propsVectorsColumns>0) { /* if propsVectorsColumns==0 then the properties vectors trie may not be there at all */ utrie2_enum(&propsVectorsTrie, NULL, _enumPropertyStartsRange, sa); } }