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scuffed-code/icu4c/source/common/uprops.c
Markus Scherer 4593d2eb03 ICU-1721 fix spelling of UCHAR_IDS_TRINARY_OPERATOR, export properties functions 
X-SVN-Rev: 7948
2002-03-12 19:09:08 +00:00

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/*
*******************************************************************************
*
* Copyright (C) 2002, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: uprops.h
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
*
* created on: 2002feb24
* created by: Markus W. Scherer
*
* Implementations for mostly non-core Unicode character properties
* stored in uprops.dat.
*/
#include "unicode/utypes.h"
#include "unicode/uchar.h"
#include "unicode/uscript.h"
#include "unormimp.h"
#include "uprops.h"
/* helper definitions ------------------------------------------------------- */
#define FLAG(n) ((uint32_t)1<<(n))
/* flags for general categories in the order of UCharCategory */
#define _Cn FLAG(U_GENERAL_OTHER_TYPES)
#define _Lu FLAG(U_UPPERCASE_LETTER)
#define _Ll FLAG(U_LOWERCASE_LETTER)
#define _Lt FLAG(U_TITLECASE_LETTER)
#define _Lm FLAG(U_MODIFIER_LETTER)
#define _Lo FLAG(U_OTHER_LETTER)
#define _Mn FLAG(U_NON_SPACING_MARK)
#define _Me FLAG(U_ENCLOSING_MARK)
#define _Mc FLAG(U_COMBINING_SPACING_MARK)
#define _Nd FLAG(U_DECIMAL_DIGIT_NUMBER)
#define _Nl FLAG(U_LETTER_NUMBER)
#define _No FLAG(U_OTHER_NUMBER)
#define _Zs FLAG(U_SPACE_SEPARATOR)
#define _Zl FLAG(U_LINE_SEPARATOR)
#define _Zp FLAG(U_PARAGRAPH_SEPARATOR)
#define _Cc FLAG(U_CONTROL_CHAR)
#define _Cf FLAG(U_FORMAT_CHAR)
#define _Co FLAG(U_PRIVATE_USE_CHAR)
#define _Cs FLAG(U_SURROGATE)
#define _Pd FLAG(U_DASH_PUNCTUATION)
#define _Ps FLAG(U_START_PUNCTUATION)
#define _Pe FLAG(U_END_PUNCTUATION)
#define _Pc FLAG(U_CONNECTOR_PUNCTUATION)
#define _Po FLAG(U_OTHER_PUNCTUATION)
#define _Sm FLAG(U_MATH_SYMBOL)
#define _Sc FLAG(U_CURRENCY_SYMBOL)
#define _Sk FLAG(U_MODIFIER_SYMBOL)
#define _So FLAG(U_OTHER_SYMBOL)
#define _Pi FLAG(U_INITIAL_PUNCTUATION)
#define _Pf FLAG(U_FINAL_PUNCTUATION)
/* API functions ------------------------------------------------------------ */
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) {
uint32_t b;
if((uint32_t)c>0x10ffff) {
return UBLOCK_INVALID_CODE;
}
b=(u_getUnicodeProperties(c, 0)&UPROPS_BLOCK_MASK)>>UPROPS_BLOCK_SHIFT;
if(b==0) {
return UBLOCK_INVALID_CODE;
} else {
return (UBlockCode)b;
}
}
U_CAPI UBool U_EXPORT2
u_hasBinaryProperty(UChar32 c, UProperty which) {
/* c is range-checked in the functions that are called from here */
switch(which) {
case UCHAR_ALPHABETIC:
/* Lu+Ll+Lt+Lm+Lo+Other_Alphabetic */
return (FLAG(u_charType(c))&(_Lu|_Ll|_Lt|_Lm|_Lo))!=0 ||
(u_getUnicodeProperties(c, 1)&FLAG(UPROPS_OTHER_ALPHABETIC))!=0;
case UCHAR_ASCII_HEX_DIGIT:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_ASCII_HEX_DIGIT))!=0;
case UCHAR_BIDI_CONTROL:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_BIDI_CONTROL))!=0;
case UCHAR_BIDI_MIRRORED:
return u_isMirrored(c);
case UCHAR_DASH:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_DASH))!=0;
case UCHAR_DEFAULT_IGNORABLE_CODE_POINT:
/* Cf+Cc+Cs+Other_Default_Ignorable_Code_Point-White_Space */
return (FLAG(u_charType(c))&(_Cf|_Cc|_Cs))!=0 ||
(u_getUnicodeProperties(c, 1)&
(FLAG(UPROPS_OTHER_DEFAULT_IGNORABLE_CODE_POINT)|FLAG(UPROPS_WHITE_SPACE))==
FLAG(UPROPS_OTHER_DEFAULT_IGNORABLE_CODE_POINT));
case UCHAR_DEPRECATED:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_DEPRECATED))!=0;
case UCHAR_DIACRITIC:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_DIACRITIC))!=0;
case UCHAR_EXTENDER:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_EXTENDER))!=0;
case UCHAR_FULL_COMPOSITION_EXCLUSION:
return unorm_internalIsFullCompositionExclusion(c);
case UCHAR_GRAPHEME_BASE:
/*
* [0..10FFFF]-Cc-Cf-Cs-Co-Cn-Zl-Zp-Grapheme_Link-Grapheme_Extend ==
* [0..10FFFF]-Cc-Cf-Cs-Co-Cn-Zl-Zp-Grapheme_Link-(Me+Mn+Mc+Other_Grapheme_Extend) ==
* [0..10FFFF]-Cc-Cf-Cs-Co-Cn-Zl-Zp-Me-Mn-Mc-Grapheme_Link-Other_Grapheme_Extend
*
* u_charType(c out of range) returns Cn so we need not check for the range
*/
return (FLAG(u_charType(c))&(_Cc|_Cf|_Cs|_Co|_Cn|_Zl|_Zp|_Me|_Mn|_Mc))==0 &&
(u_getUnicodeProperties(c, 1)&
(FLAG(UPROPS_GRAPHEME_LINK)|FLAG(UPROPS_OTHER_GRAPHEME_EXTEND))==0);
case UCHAR_GRAPHEME_EXTEND:
/* Me+Mn+Mc+Other_Grapheme_Extend-Grapheme_Link */
return (FLAG(u_charType(c))&(_Me|_Mn|_Mc))!=0 ||
(u_getUnicodeProperties(c, 1)&
(FLAG(UPROPS_OTHER_GRAPHEME_EXTEND)|FLAG(UPROPS_GRAPHEME_LINK))==
FLAG(UPROPS_OTHER_GRAPHEME_EXTEND));
case UCHAR_GRAPHEME_LINK:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_GRAPHEME_LINK))!=0;
case UCHAR_HEX_DIGIT:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_HEX_DIGIT))!=0;
case UCHAR_HYPHEN:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_HYPHEN))!=0;
case UCHAR_ID_CONTINUE:
/* ID_Start+Mn+Mc+Nd+Pc == Lu+Ll+Lt+Lm+Lo+Nl+Mn+Mc+Nd+Pc */
return (FLAG(u_charType(c))&(_Lu|_Ll|_Lt|_Lm|_Lo|_Nl|_Mn|_Mc|_Nd|_Pc))!=0;
case UCHAR_ID_START:
/* Lu+Ll+Lt+Lm+Lo+Nl */
return (FLAG(u_charType(c))&(_Lu|_Ll|_Lt|_Lm|_Lo|_Nl))!=0;
case UCHAR_IDEOGRAPHIC:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_IDEOGRAPHIC))!=0;
case UCHAR_IDS_BINARY_OPERATOR:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_IDS_BINARY_OPERATOR))!=0;
case UCHAR_IDS_TRINARY_OPERATOR:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_IDS_TRINARY_OPERATOR))!=0;
case UCHAR_JOIN_CONTROL:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_JOIN_CONTROL))!=0;
case UCHAR_LOGICAL_ORDER_EXCEPTION:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_LOGICAL_ORDER_EXCEPTION))!=0;
case UCHAR_LOWERCASE:
/* Ll+Other_Lowercase */
return u_charType(c)==U_LOWERCASE_LETTER ||
(u_getUnicodeProperties(c, 1)&FLAG(UPROPS_OTHER_LOWERCASE))!=0;
case UCHAR_MATH:
/* Sm+Other_Math */
return u_charType(c)==U_MATH_SYMBOL ||
(u_getUnicodeProperties(c, 1)&FLAG(UPROPS_OTHER_MATH))!=0;
case UCHAR_NONCHARACTER_CODE_POINT:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_NONCHARACTER_CODE_POINT))!=0;
case UCHAR_QUOTATION_MARK:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_QUOTATION_MARK))!=0;
case UCHAR_RADICAL:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_RADICAL))!=0;
case UCHAR_SOFT_DOTTED:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_SOFT_DOTTED))!=0;
case UCHAR_TERMINAL_PUNCTUATION:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_TERMINAL_PUNCTUATION))!=0;
case UCHAR_UNIFIED_IDEOGRAPH:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_UNIFIED_IDEOGRAPH))!=0;
case UCHAR_UPPERCASE:
/* Lu+Other_Uppercase */
return u_charType(c)==U_UPPERCASE_LETTER ||
(u_getUnicodeProperties(c, 1)&FLAG(UPROPS_OTHER_UPPERCASE))!=0;
case UCHAR_WHITE_SPACE:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_WHITE_SPACE))!=0;
case UCHAR_XID_CONTINUE:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_XID_CONTINUE))!=0;
case UCHAR_XID_START:
return (u_getUnicodeProperties(c, 1)&FLAG(UPROPS_XID_START))!=0;
default:
/* not a known binary property */
return FALSE;
};
}
UBool u_isUAlphabetic(UChar32 c) {
return u_hasBinaryProperty(c, UCHAR_ALPHABETIC);
}
UBool u_isULowercase(UChar32 c) {
return u_hasBinaryProperty(c, UCHAR_LOWERCASE);
}
UBool u_isUUppercase(UChar32 c) {
return u_hasBinaryProperty(c, UCHAR_UPPERCASE);
}
UBool u_isUWhiteSpace(UChar32 c) {
return u_hasBinaryProperty(c, UCHAR_WHITE_SPACE);
}
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