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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2013-2016, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: uscript_props.cpp
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2013feb16
* created by: Markus W. Scherer
*/
#include "unicode/utypes.h"
#include "unicode/unistr.h"
#include "unicode/uscript.h"
#include "unicode/utf16.h"
#include "ustr_imp.h"
#include "cmemory.h"
namespace {
// Script metadata (script properties).
// See http://unicode.org/cldr/trac/browser/trunk/common/properties/scriptMetadata.txt
// 0 = NOT_ENCODED, no sample character, default false script properties.
// Bits 20.. 0: sample character
// Bits 23..21: usage
const int32_t UNKNOWN = 1 << 21;
const int32_t EXCLUSION = 2 << 21;
const int32_t LIMITED_USE = 3 << 21;
// st int32_t ASPIRATIONAL = 4 << 21; -- not used any more since Unicode 10
const int32_t RECOMMENDED = 5 << 21;
// Bits 31..24: Single-bit flags
const int32_t RTL = 1 << 24;
const int32_t LB_LETTERS = 1 << 25;
const int32_t CASED = 1 << 26;
const int32_t SCRIPT_PROPS[] = {
// Begin copy-paste output from
// tools/trunk/unicode/py/parsescriptmetadata.py
0x0040 | RECOMMENDED, // Zyyy
0x0308 | RECOMMENDED, // Zinh
0x0628 | RECOMMENDED | RTL, // Arab
0x0531 | RECOMMENDED | CASED, // Armn
0x0995 | RECOMMENDED, // Beng
0x3105 | RECOMMENDED | LB_LETTERS, // Bopo
0x13C4 | LIMITED_USE | CASED, // Cher
0x03E2 | EXCLUSION | CASED, // Copt
0x042F | RECOMMENDED | CASED, // Cyrl
0x10414 | EXCLUSION | CASED, // Dsrt
0x0905 | RECOMMENDED, // Deva
0x12A0 | RECOMMENDED, // Ethi
0x10D3 | RECOMMENDED, // Geor
0x10330 | EXCLUSION, // Goth
0x03A9 | RECOMMENDED | CASED, // Grek
0x0A95 | RECOMMENDED, // Gujr
0x0A15 | RECOMMENDED, // Guru
0x5B57 | RECOMMENDED | LB_LETTERS, // Hani
0xAC00 | RECOMMENDED, // Hang
0x05D0 | RECOMMENDED | RTL, // Hebr
0x304B | RECOMMENDED | LB_LETTERS, // Hira
0x0C95 | RECOMMENDED, // Knda
0x30AB | RECOMMENDED | LB_LETTERS, // Kana
0x1780 | RECOMMENDED | LB_LETTERS, // Khmr
0x0EA5 | RECOMMENDED | LB_LETTERS, // Laoo
0x004C | RECOMMENDED | CASED, // Latn
0x0D15 | RECOMMENDED, // Mlym
0x1826 | EXCLUSION, // Mong
0x1000 | RECOMMENDED | LB_LETTERS, // Mymr
0x168F | EXCLUSION, // Ogam
0x10300 | EXCLUSION, // Ital
0x0B15 | RECOMMENDED, // Orya
0x16A0 | EXCLUSION, // Runr
0x0D85 | RECOMMENDED, // Sinh
0x0710 | LIMITED_USE | RTL, // Syrc
0x0B95 | RECOMMENDED, // Taml
0x0C15 | RECOMMENDED, // Telu
0x078C | RECOMMENDED | RTL, // Thaa
0x0E17 | RECOMMENDED | LB_LETTERS, // Thai
0x0F40 | RECOMMENDED, // Tibt
0x14C0 | LIMITED_USE, // Cans
0xA288 | LIMITED_USE | LB_LETTERS, // Yiii
0x1703 | EXCLUSION, // Tglg
0x1723 | EXCLUSION, // Hano
0x1743 | EXCLUSION, // Buhd
0x1763 | EXCLUSION, // Tagb
0x280E | UNKNOWN, // Brai
0x10800 | EXCLUSION | RTL, // Cprt
0x1900 | LIMITED_USE, // Limb
0x10000 | EXCLUSION, // Linb
0x10480 | EXCLUSION, // Osma
0x10450 | EXCLUSION, // Shaw
0x1950 | LIMITED_USE | LB_LETTERS, // Tale
0x10380 | EXCLUSION, // Ugar
0,
0x1A00 | EXCLUSION, // Bugi
0x2C00 | EXCLUSION | CASED, // Glag
0x10A00 | EXCLUSION | RTL, // Khar
0xA800 | LIMITED_USE, // Sylo
0x1980 | LIMITED_USE | LB_LETTERS, // Talu
0x2D30 | LIMITED_USE, // Tfng
0x103A0 | EXCLUSION, // Xpeo
0x1B05 | LIMITED_USE, // Bali
0x1BC0 | LIMITED_USE, // Batk
0,
0x11005 | EXCLUSION, // Brah
0xAA00 | LIMITED_USE, // Cham
0,
0,
0,
0,
0x13153 | EXCLUSION, // Egyp
0,
0x5B57 | RECOMMENDED | LB_LETTERS, // Hans
0x5B57 | RECOMMENDED | LB_LETTERS, // Hant
0x16B1C | EXCLUSION, // Hmng
0x10CA1 | EXCLUSION | RTL | CASED, // Hung
0,
0xA984 | LIMITED_USE, // Java
0xA90A | LIMITED_USE, // Kali
0,
0,
0x1C00 | LIMITED_USE, // Lepc
0x10647 | EXCLUSION, // Lina
0x0840 | LIMITED_USE | RTL, // Mand
0,
0x10980 | EXCLUSION | RTL, // Mero
0x07CA | LIMITED_USE | RTL, // Nkoo
0x10C00 | EXCLUSION | RTL, // Orkh
0x1036B | EXCLUSION, // Perm
0xA840 | EXCLUSION, // Phag
0x10900 | EXCLUSION | RTL, // Phnx
0x16F00 | LIMITED_USE, // Plrd
0,
0,
0,
0,
0,
0,
0xA549 | LIMITED_USE, // Vaii
0,
0x12000 | EXCLUSION, // Xsux
0,
0xFDD0 | UNKNOWN, // Zzzz
0x102A0 | EXCLUSION, // Cari
0x304B | RECOMMENDED | LB_LETTERS, // Jpan
0x1A20 | LIMITED_USE | LB_LETTERS, // Lana
0x10280 | EXCLUSION, // Lyci
0x10920 | EXCLUSION | RTL, // Lydi
0x1C5A | LIMITED_USE, // Olck
0xA930 | EXCLUSION, // Rjng
0xA882 | LIMITED_USE, // Saur
0x1D850 | EXCLUSION, // Sgnw
0x1B83 | LIMITED_USE, // Sund
0,
0xABC0 | LIMITED_USE, // Mtei
0x10840 | EXCLUSION | RTL, // Armi
0x10B00 | EXCLUSION | RTL, // Avst
0x11103 | LIMITED_USE, // Cakm
0xAC00 | RECOMMENDED, // Kore
0x11083 | EXCLUSION, // Kthi
0x10AD8 | EXCLUSION | RTL, // Mani
0x10B60 | EXCLUSION | RTL, // Phli
0x10B8F | EXCLUSION | RTL, // Phlp
0,
0x10B40 | EXCLUSION | RTL, // Prti
0x0800 | EXCLUSION | RTL, // Samr
0xAA80 | LIMITED_USE | LB_LETTERS, // Tavt
0,
0,
0xA6A0 | LIMITED_USE, // Bamu
0xA4D0 | LIMITED_USE, // Lisu
0,
0x10A60 | EXCLUSION | RTL, // Sarb
0x16AE6 | EXCLUSION, // Bass
0x1BC20 | EXCLUSION, // Dupl
0x10500 | EXCLUSION, // Elba
0x11315 | EXCLUSION, // Gran
0,
0,
0x1E802 | EXCLUSION | RTL, // Mend
0x109A0 | EXCLUSION | RTL, // Merc
0x10A95 | EXCLUSION | RTL, // Narb
0x10896 | EXCLUSION | RTL, // Nbat
0x10873 | EXCLUSION | RTL, // Palm
0x112BE | EXCLUSION, // Sind
0x118B4 | EXCLUSION | CASED, // Wara
0,
0,
0x16A4F | EXCLUSION, // Mroo
0x1B1C4 | EXCLUSION | LB_LETTERS, // Nshu
0x11183 | EXCLUSION, // Shrd
0x110D0 | EXCLUSION, // Sora
0x11680 | EXCLUSION, // Takr
0x18229 | EXCLUSION | LB_LETTERS, // Tang
0,
0x14400 | EXCLUSION, // Hluw
0x11208 | EXCLUSION, // Khoj
0x11484 | EXCLUSION, // Tirh
0x10537 | EXCLUSION, // Aghb
0x11152 | EXCLUSION, // Mahj
0x11717 | EXCLUSION | LB_LETTERS, // Ahom
0x108F4 | EXCLUSION | RTL, // Hatr
0x1160E | EXCLUSION, // Modi
0x1128F | EXCLUSION, // Mult
0x11AC0 | EXCLUSION, // Pauc
0x1158E | EXCLUSION, // Sidd
0x1E909 | LIMITED_USE | RTL | CASED, // Adlm
0x11C0E | EXCLUSION, // Bhks
0x11C72 | EXCLUSION, // Marc
0x11412 | LIMITED_USE, // Newa
0x104B5 | LIMITED_USE | CASED, // Osge
0x5B57 | RECOMMENDED | LB_LETTERS, // Hanb
0x1112 | RECOMMENDED, // Jamo
0,
0x11D10 | EXCLUSION, // Gonm
0x11A5C | EXCLUSION, // Soyo
0x11A0B | EXCLUSION, // Zanb
0x1180B | EXCLUSION, // Dogr
0x11D71 | LIMITED_USE, // Gong
0x11EE5 | EXCLUSION, // Maka
0x16E40 | EXCLUSION | CASED, // Medf
0x10D12 | LIMITED_USE | RTL, // Rohg
0x10F42 | EXCLUSION | RTL, // Sogd
0x10F19 | EXCLUSION | RTL, // Sogo
0x10FF1 | EXCLUSION | RTL, // Elym
0x1E108 | LIMITED_USE, // Hmnp
0x119CE | EXCLUSION, // Nand
0x1E2E1 | LIMITED_USE, // Wcho
0x10FBF | EXCLUSION | RTL, // Chrs
0x1190C | EXCLUSION, // Diak
0x18C65 | EXCLUSION | LB_LETTERS, // Kits
0x10E88 | EXCLUSION | RTL, // Yezi
0x12FE5 | EXCLUSION, // Cpmn
0x10F7C | EXCLUSION | RTL, // Ougr
0x16ABC | EXCLUSION, // Tnsa
0x1E290 | EXCLUSION, // Toto
0x10582 | EXCLUSION | CASED, // Vith
0x11F1B | EXCLUSION | LB_LETTERS, // Kawi
0x1E4E6 | EXCLUSION, // Nagm
// End copy-paste from parsescriptmetadata.py
};
int32_t getScriptProps(UScriptCode script) {
if (0 <= script && script < UPRV_LENGTHOF(SCRIPT_PROPS)) {
return SCRIPT_PROPS[script];
} else {
return 0;
}
}
} // namespace
U_CAPI int32_t U_EXPORT2
uscript_getSampleString(UScriptCode script, char16_t *dest, int32_t capacity, UErrorCode *pErrorCode) {
if(U_FAILURE(*pErrorCode)) { return 0; }
if(capacity < 0 || (capacity > 0 && dest == nullptr)) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
int32_t sampleChar = getScriptProps(script) & 0x1fffff;
int32_t length;
if(sampleChar == 0) {
length = 0;
} else {
length = U16_LENGTH(sampleChar);
if(length <= capacity) {
int32_t i = 0;
U16_APPEND_UNSAFE(dest, i, sampleChar);
}
}
return u_terminateUChars(dest, capacity, length, pErrorCode);
}
U_COMMON_API icu::UnicodeString U_EXPORT2
uscript_getSampleUnicodeString(UScriptCode script) {
icu::UnicodeString sample;
int32_t sampleChar = getScriptProps(script) & 0x1fffff;
if(sampleChar != 0) {
sample.append(sampleChar);
}
return sample;
}
U_CAPI UScriptUsage U_EXPORT2
uscript_getUsage(UScriptCode script) {
return (UScriptUsage)((getScriptProps(script) >> 21) & 7);
}
U_CAPI UBool U_EXPORT2
uscript_isRightToLeft(UScriptCode script) {
return (getScriptProps(script) & RTL) != 0;
}
U_CAPI UBool U_EXPORT2
uscript_breaksBetweenLetters(UScriptCode script) {
return (getScriptProps(script) & LB_LETTERS) != 0;
}
U_CAPI UBool U_EXPORT2
uscript_isCased(UScriptCode script) {
return (getScriptProps(script) & CASED) != 0;
}
|
