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b64df2bf74
HarfBuzz: Update to version 7.3.0 ICU4C: Update to version 73.1 FreeType: Update to version 2.13.0
310 lines
9.6 KiB
C++
310 lines
9.6 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2013-2016, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* file name: uscript_props.cpp
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* encoding: UTF-8
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2013feb16
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* created by: Markus W. Scherer
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*/
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#include "unicode/utypes.h"
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#include "unicode/unistr.h"
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#include "unicode/uscript.h"
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#include "unicode/utf16.h"
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#include "ustr_imp.h"
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#include "cmemory.h"
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namespace {
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// Script metadata (script properties).
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// See http://unicode.org/cldr/trac/browser/trunk/common/properties/scriptMetadata.txt
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// 0 = NOT_ENCODED, no sample character, default false script properties.
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// Bits 20.. 0: sample character
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// Bits 23..21: usage
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const int32_t UNKNOWN = 1 << 21;
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const int32_t EXCLUSION = 2 << 21;
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const int32_t LIMITED_USE = 3 << 21;
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// st int32_t ASPIRATIONAL = 4 << 21; -- not used any more since Unicode 10
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const int32_t RECOMMENDED = 5 << 21;
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// Bits 31..24: Single-bit flags
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const int32_t RTL = 1 << 24;
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const int32_t LB_LETTERS = 1 << 25;
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const int32_t CASED = 1 << 26;
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const int32_t SCRIPT_PROPS[] = {
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// Begin copy-paste output from
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// tools/trunk/unicode/py/parsescriptmetadata.py
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0x0040 | RECOMMENDED, // Zyyy
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0x0308 | RECOMMENDED, // Zinh
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0x0628 | RECOMMENDED | RTL, // Arab
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0x0531 | RECOMMENDED | CASED, // Armn
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0x0995 | RECOMMENDED, // Beng
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0x3105 | RECOMMENDED | LB_LETTERS, // Bopo
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0x13C4 | LIMITED_USE | CASED, // Cher
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0x03E2 | EXCLUSION | CASED, // Copt
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0x042F | RECOMMENDED | CASED, // Cyrl
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0x10414 | EXCLUSION | CASED, // Dsrt
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0x0905 | RECOMMENDED, // Deva
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0x12A0 | RECOMMENDED, // Ethi
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0x10D3 | RECOMMENDED, // Geor
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0x10330 | EXCLUSION, // Goth
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0x03A9 | RECOMMENDED | CASED, // Grek
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0x0A95 | RECOMMENDED, // Gujr
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0x0A15 | RECOMMENDED, // Guru
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0x5B57 | RECOMMENDED | LB_LETTERS, // Hani
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0xAC00 | RECOMMENDED, // Hang
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0x05D0 | RECOMMENDED | RTL, // Hebr
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0x304B | RECOMMENDED | LB_LETTERS, // Hira
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0x0C95 | RECOMMENDED, // Knda
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0x30AB | RECOMMENDED | LB_LETTERS, // Kana
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0x1780 | RECOMMENDED | LB_LETTERS, // Khmr
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0x0EA5 | RECOMMENDED | LB_LETTERS, // Laoo
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0x004C | RECOMMENDED | CASED, // Latn
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0x0D15 | RECOMMENDED, // Mlym
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0x1826 | EXCLUSION, // Mong
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0x1000 | RECOMMENDED | LB_LETTERS, // Mymr
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0x168F | EXCLUSION, // Ogam
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0x10300 | EXCLUSION, // Ital
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0x0B15 | RECOMMENDED, // Orya
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0x16A0 | EXCLUSION, // Runr
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0x0D85 | RECOMMENDED, // Sinh
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0x0710 | LIMITED_USE | RTL, // Syrc
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0x0B95 | RECOMMENDED, // Taml
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0x0C15 | RECOMMENDED, // Telu
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0x078C | RECOMMENDED | RTL, // Thaa
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0x0E17 | RECOMMENDED | LB_LETTERS, // Thai
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0x0F40 | RECOMMENDED, // Tibt
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0x14C0 | LIMITED_USE, // Cans
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0xA288 | LIMITED_USE | LB_LETTERS, // Yiii
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0x1703 | EXCLUSION, // Tglg
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0x1723 | EXCLUSION, // Hano
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0x1743 | EXCLUSION, // Buhd
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0x1763 | EXCLUSION, // Tagb
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0x280E | UNKNOWN, // Brai
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0x10800 | EXCLUSION | RTL, // Cprt
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0x1900 | LIMITED_USE, // Limb
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0x10000 | EXCLUSION, // Linb
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0x10480 | EXCLUSION, // Osma
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0x10450 | EXCLUSION, // Shaw
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0x1950 | LIMITED_USE | LB_LETTERS, // Tale
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0x10380 | EXCLUSION, // Ugar
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0,
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0x1A00 | EXCLUSION, // Bugi
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0x2C00 | EXCLUSION | CASED, // Glag
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0x10A00 | EXCLUSION | RTL, // Khar
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0xA800 | LIMITED_USE, // Sylo
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0x1980 | LIMITED_USE | LB_LETTERS, // Talu
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0x2D30 | LIMITED_USE, // Tfng
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0x103A0 | EXCLUSION, // Xpeo
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0x1B05 | LIMITED_USE, // Bali
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0x1BC0 | LIMITED_USE, // Batk
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0,
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0x11005 | EXCLUSION, // Brah
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0xAA00 | LIMITED_USE, // Cham
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0,
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0,
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0,
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0,
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0x13153 | EXCLUSION, // Egyp
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0,
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0x5B57 | RECOMMENDED | LB_LETTERS, // Hans
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0x5B57 | RECOMMENDED | LB_LETTERS, // Hant
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0x16B1C | EXCLUSION, // Hmng
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0x10CA1 | EXCLUSION | RTL | CASED, // Hung
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0,
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0xA984 | LIMITED_USE, // Java
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0xA90A | LIMITED_USE, // Kali
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0,
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0,
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0x1C00 | LIMITED_USE, // Lepc
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0x10647 | EXCLUSION, // Lina
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0x0840 | LIMITED_USE | RTL, // Mand
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0,
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0x10980 | EXCLUSION | RTL, // Mero
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0x07CA | LIMITED_USE | RTL, // Nkoo
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0x10C00 | EXCLUSION | RTL, // Orkh
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0x1036B | EXCLUSION, // Perm
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0xA840 | EXCLUSION, // Phag
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0x10900 | EXCLUSION | RTL, // Phnx
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0x16F00 | LIMITED_USE, // Plrd
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0,
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0,
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0,
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0,
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0,
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0,
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0xA549 | LIMITED_USE, // Vaii
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0,
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0x12000 | EXCLUSION, // Xsux
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0,
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0xFDD0 | UNKNOWN, // Zzzz
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0x102A0 | EXCLUSION, // Cari
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0x304B | RECOMMENDED | LB_LETTERS, // Jpan
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0x1A20 | LIMITED_USE | LB_LETTERS, // Lana
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0x10280 | EXCLUSION, // Lyci
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0x10920 | EXCLUSION | RTL, // Lydi
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0x1C5A | LIMITED_USE, // Olck
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0xA930 | EXCLUSION, // Rjng
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0xA882 | LIMITED_USE, // Saur
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0x1D850 | EXCLUSION, // Sgnw
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0x1B83 | LIMITED_USE, // Sund
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0,
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0xABC0 | LIMITED_USE, // Mtei
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0x10840 | EXCLUSION | RTL, // Armi
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0x10B00 | EXCLUSION | RTL, // Avst
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0x11103 | LIMITED_USE, // Cakm
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0xAC00 | RECOMMENDED, // Kore
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0x11083 | EXCLUSION, // Kthi
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0x10AD8 | EXCLUSION | RTL, // Mani
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0x10B60 | EXCLUSION | RTL, // Phli
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0x10B8F | EXCLUSION | RTL, // Phlp
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0,
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0x10B40 | EXCLUSION | RTL, // Prti
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0x0800 | EXCLUSION | RTL, // Samr
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0xAA80 | LIMITED_USE | LB_LETTERS, // Tavt
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0,
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0,
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0xA6A0 | LIMITED_USE, // Bamu
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0xA4D0 | LIMITED_USE, // Lisu
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0,
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0x10A60 | EXCLUSION | RTL, // Sarb
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0x16AE6 | EXCLUSION, // Bass
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0x1BC20 | EXCLUSION, // Dupl
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0x10500 | EXCLUSION, // Elba
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0x11315 | EXCLUSION, // Gran
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0,
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0,
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0x1E802 | EXCLUSION | RTL, // Mend
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0x109A0 | EXCLUSION | RTL, // Merc
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0x10A95 | EXCLUSION | RTL, // Narb
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0x10896 | EXCLUSION | RTL, // Nbat
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0x10873 | EXCLUSION | RTL, // Palm
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0x112BE | EXCLUSION, // Sind
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0x118B4 | EXCLUSION | CASED, // Wara
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0,
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0,
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0x16A4F | EXCLUSION, // Mroo
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0x1B1C4 | EXCLUSION | LB_LETTERS, // Nshu
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0x11183 | EXCLUSION, // Shrd
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0x110D0 | EXCLUSION, // Sora
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0x11680 | EXCLUSION, // Takr
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0x18229 | EXCLUSION | LB_LETTERS, // Tang
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0,
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0x14400 | EXCLUSION, // Hluw
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0x11208 | EXCLUSION, // Khoj
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0x11484 | EXCLUSION, // Tirh
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0x10537 | EXCLUSION, // Aghb
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0x11152 | EXCLUSION, // Mahj
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0x11717 | EXCLUSION | LB_LETTERS, // Ahom
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0x108F4 | EXCLUSION | RTL, // Hatr
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0x1160E | EXCLUSION, // Modi
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0x1128F | EXCLUSION, // Mult
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0x11AC0 | EXCLUSION, // Pauc
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0x1158E | EXCLUSION, // Sidd
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0x1E909 | LIMITED_USE | RTL | CASED, // Adlm
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0x11C0E | EXCLUSION, // Bhks
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0x11C72 | EXCLUSION, // Marc
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0x11412 | LIMITED_USE, // Newa
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0x104B5 | LIMITED_USE | CASED, // Osge
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0x5B57 | RECOMMENDED | LB_LETTERS, // Hanb
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0x1112 | RECOMMENDED, // Jamo
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0,
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0x11D10 | EXCLUSION, // Gonm
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0x11A5C | EXCLUSION, // Soyo
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0x11A0B | EXCLUSION, // Zanb
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0x1180B | EXCLUSION, // Dogr
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0x11D71 | LIMITED_USE, // Gong
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0x11EE5 | EXCLUSION, // Maka
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0x16E40 | EXCLUSION | CASED, // Medf
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0x10D12 | LIMITED_USE | RTL, // Rohg
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0x10F42 | EXCLUSION | RTL, // Sogd
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0x10F19 | EXCLUSION | RTL, // Sogo
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0x10FF1 | EXCLUSION | RTL, // Elym
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0x1E108 | LIMITED_USE, // Hmnp
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0x119CE | EXCLUSION, // Nand
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0x1E2E1 | LIMITED_USE, // Wcho
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0x10FBF | EXCLUSION | RTL, // Chrs
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0x1190C | EXCLUSION, // Diak
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0x18C65 | EXCLUSION | LB_LETTERS, // Kits
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0x10E88 | EXCLUSION | RTL, // Yezi
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0x12FE5 | EXCLUSION, // Cpmn
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0x10F7C | EXCLUSION | RTL, // Ougr
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0x16ABC | EXCLUSION, // Tnsa
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0x1E290 | EXCLUSION, // Toto
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0x10582 | EXCLUSION | CASED, // Vith
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0x11F1B | EXCLUSION | LB_LETTERS, // Kawi
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0x1E4E6 | EXCLUSION, // Nagm
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// End copy-paste from parsescriptmetadata.py
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};
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int32_t getScriptProps(UScriptCode script) {
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if (0 <= script && script < UPRV_LENGTHOF(SCRIPT_PROPS)) {
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return SCRIPT_PROPS[script];
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} else {
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return 0;
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}
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}
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} // namespace
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U_CAPI int32_t U_EXPORT2
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uscript_getSampleString(UScriptCode script, char16_t *dest, int32_t capacity, UErrorCode *pErrorCode) {
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if(U_FAILURE(*pErrorCode)) { return 0; }
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if(capacity < 0 || (capacity > 0 && dest == nullptr)) {
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*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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int32_t sampleChar = getScriptProps(script) & 0x1fffff;
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int32_t length;
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if(sampleChar == 0) {
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length = 0;
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} else {
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length = U16_LENGTH(sampleChar);
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if(length <= capacity) {
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int32_t i = 0;
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U16_APPEND_UNSAFE(dest, i, sampleChar);
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}
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}
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return u_terminateUChars(dest, capacity, length, pErrorCode);
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}
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U_COMMON_API icu::UnicodeString U_EXPORT2
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uscript_getSampleUnicodeString(UScriptCode script) {
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icu::UnicodeString sample;
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int32_t sampleChar = getScriptProps(script) & 0x1fffff;
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if(sampleChar != 0) {
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sample.append(sampleChar);
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}
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return sample;
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}
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U_CAPI UScriptUsage U_EXPORT2
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uscript_getUsage(UScriptCode script) {
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return (UScriptUsage)((getScriptProps(script) >> 21) & 7);
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}
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U_CAPI UBool U_EXPORT2
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uscript_isRightToLeft(UScriptCode script) {
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return (getScriptProps(script) & RTL) != 0;
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}
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U_CAPI UBool U_EXPORT2
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uscript_breaksBetweenLetters(UScriptCode script) {
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return (getScriptProps(script) & LB_LETTERS) != 0;
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}
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U_CAPI UBool U_EXPORT2
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uscript_isCased(UScriptCode script) {
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return (getScriptProps(script) & CASED) != 0;
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}
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