| /* |
| ******************************************************************************** |
| * Copyright (C) 1996-2014, 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 "uassert.h" |
| #include "cmemory.h" |
| #include "ucln_cmn.h" |
| #include "utrie2.h" |
| #include "udataswp.h" |
| #include "uprops.h" |
| #include "ustr_imp.h" |
| |
| /* uchar_props_data.h is machine-generated by genprops --csource */ |
| #define INCLUDED_FROM_UCHAR_C |
| #include "uchar_props_data.h" |
| |
| /* constants and macros for access to the data ------------------------------ */ |
| |
| /* getting a uint32_t properties word from the data */ |
| #define GET_PROPS(c, result) ((result)=UTRIE2_GET16(&propsTrie, c)); |
| |
| U_CFUNC UBool |
| uprv_haveProperties(UErrorCode *pErrorCode) { |
| if(U_FAILURE(*pErrorCode)) { |
| return FALSE; |
| } |
| 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) { |
| 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)) |
| |
| /* Java has decided that U+0085 New Line is not whitespace any more. */ |
| #define IS_THAT_ASCII_CONTROL_SPACE(c) \ |
| (c<=0x1f && c>=TAB && (c<=CR || c>=0x1c)) |
| |
| /* 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_ASCII_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_ASCII_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; |
| int32_t value; |
| GET_PROPS(c, props); |
| value=(int32_t)GET_NUMERIC_TYPE_VALUE(props)-UPROPS_NTV_DECIMAL_START; |
| if(value<=9) { |
| return value; |
| } else { |
| return -1; |
| } |
| } |
| |
| U_CAPI double U_EXPORT2 |
| u_getNumericValue(UChar32 c) { |
| uint32_t props; |
| int32_t ntv; |
| GET_PROPS(c, props); |
| ntv=(int32_t)GET_NUMERIC_TYPE_VALUE(props); |
| |
| if(ntv==UPROPS_NTV_NONE) { |
| return U_NO_NUMERIC_VALUE; |
| } else if(ntv<UPROPS_NTV_DIGIT_START) { |
| /* decimal digit */ |
| return ntv-UPROPS_NTV_DECIMAL_START; |
| } else if(ntv<UPROPS_NTV_NUMERIC_START) { |
| /* other digit */ |
| return ntv-UPROPS_NTV_DIGIT_START; |
| } else if(ntv<UPROPS_NTV_FRACTION_START) { |
| /* small integer */ |
| return ntv-UPROPS_NTV_NUMERIC_START; |
| } else if(ntv<UPROPS_NTV_LARGE_START) { |
| /* fraction */ |
| int32_t numerator=(ntv>>4)-12; |
| int32_t denominator=(ntv&0xf)+1; |
| return (double)numerator/denominator; |
| } else if(ntv<UPROPS_NTV_BASE60_START) { |
| /* large, single-significant-digit integer */ |
| double numValue; |
| int32_t mant=(ntv>>5)-14; |
| int32_t exp=(ntv&0x1f)+2; |
| 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; |
| } else if(ntv<UPROPS_NTV_RESERVED_START) { |
| /* sexagesimal (base 60) integer */ |
| int32_t numValue=(ntv>>2)-0xbf; |
| int32_t exp=(ntv&3)+1; |
| |
| switch(exp) { |
| case 4: |
| numValue*=60*60*60*60; |
| break; |
| case 3: |
| numValue*=60*60*60; |
| break; |
| case 2: |
| numValue*=60*60; |
| break; |
| case 1: |
| numValue*=60; |
| break; |
| case 0: |
| default: |
| break; |
| } |
| |
| return numValue; |
| } else { |
| /* reserved */ |
| return U_NO_NUMERIC_VALUE; |
| } |
| } |
| |
| 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.cpp -------------------------------- */ |
| |
| 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_getMainProperties(UChar32 c) { |
| uint32_t props; |
| GET_PROPS(c, props); |
| return props; |
| } |
| |
| U_CFUNC uint32_t |
| u_getUnicodeProperties(UChar32 c, int32_t column) { |
| U_ASSERT(column>=0); |
| if(column>=propsVectorsColumns) { |
| return 0; |
| } else { |
| uint16_t vecIndex=UTRIE2_GET16(&propsVectorsTrie, c); |
| return propsVectors[vecIndex+column]; |
| } |
| } |
| |
| U_CFUNC int32_t |
| uprv_getMaxValues(int32_t column) { |
| switch(column) { |
| case 0: |
| return indexes[UPROPS_MAX_VALUES_INDEX]; |
| case 2: |
| return indexes[UPROPS_MAX_VALUES_2_INDEX]; |
| default: |
| return 0; |
| } |
| } |
| |
| 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) { |
| uint32_t scriptX; |
| if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) { |
| return USCRIPT_INVALID_CODE; |
| } |
| if((uint32_t)c>0x10ffff) { |
| *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR; |
| return USCRIPT_INVALID_CODE; |
| } |
| scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK; |
| if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) { |
| return (UScriptCode)scriptX; |
| } else if(scriptX<UPROPS_SCRIPT_X_WITH_INHERITED) { |
| return USCRIPT_COMMON; |
| } else if(scriptX<UPROPS_SCRIPT_X_WITH_OTHER) { |
| return USCRIPT_INHERITED; |
| } else { |
| return (UScriptCode)scriptExtensions[scriptX&UPROPS_SCRIPT_MASK]; |
| } |
| } |
| |
| U_CAPI UBool U_EXPORT2 |
| uscript_hasScript(UChar32 c, UScriptCode sc) { |
| const uint16_t *scx; |
| uint32_t scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK; |
| if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) { |
| return sc==(UScriptCode)scriptX; |
| } |
| |
| scx=scriptExtensions+(scriptX&UPROPS_SCRIPT_MASK); |
| if(scriptX>=UPROPS_SCRIPT_X_WITH_OTHER) { |
| scx=scriptExtensions+scx[1]; |
| } |
| if(sc>=USCRIPT_CODE_LIMIT) { |
| /* Guard against bogus input that would make us go past the Script_Extensions terminator. */ |
| return FALSE; |
| } |
| while(sc>*scx) { |
| ++scx; |
| } |
| return sc==(*scx&0x7fff); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| uscript_getScriptExtensions(UChar32 c, |
| UScriptCode *scripts, int32_t capacity, |
| UErrorCode *pErrorCode) { |
| uint32_t scriptX; |
| int32_t length; |
| const uint16_t *scx; |
| uint16_t sx; |
| if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if(capacity<0 || (capacity>0 && scripts==NULL)) { |
| *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK; |
| if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) { |
| if(capacity==0) { |
| *pErrorCode=U_BUFFER_OVERFLOW_ERROR; |
| } else { |
| scripts[0]=(UScriptCode)scriptX; |
| } |
| return 1; |
| } |
| |
| scx=scriptExtensions+(scriptX&UPROPS_SCRIPT_MASK); |
| if(scriptX>=UPROPS_SCRIPT_X_WITH_OTHER) { |
| scx=scriptExtensions+scx[1]; |
| } |
| length=0; |
| do { |
| sx=*scx++; |
| if(length<capacity) { |
| scripts[length]=(UScriptCode)(sx&0x7fff); |
| } |
| ++length; |
| } while(sx<0x8000); |
| if(length>capacity) { |
| *pErrorCode=U_BUFFER_OVERFLOW_ERROR; |
| } |
| return length; |
| } |
| |
| 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 ------------------------------------------- */ |
| |
| 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; |
| } |
| |
| /* 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; |
| } |
| |
| /* 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); |
| } |
| } |