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// © 2019 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// ulayout_props.h
// created: 2019feb12 Markus W. Scherer
#ifndef __ULAYOUT_PROPS_H__
#define __ULAYOUT_PROPS_H__
#include "unicode/utypes.h"
// file definitions ------------------------------------------------------------
#define ULAYOUT_DATA_NAME "ulayout"
#define ULAYOUT_DATA_TYPE "icu"
// data format "Layo"
#define ULAYOUT_FMT_0 0x4c
#define ULAYOUT_FMT_1 0x61
#define ULAYOUT_FMT_2 0x79
#define ULAYOUT_FMT_3 0x6f
// indexes into indexes[]
enum {
// Element 0 stores the length of the indexes[] array.
ULAYOUT_IX_INDEXES_LENGTH,
// Elements 1..7 store the tops of consecutive code point tries.
// No trie is stored if the difference between two of these is less than 16.
ULAYOUT_IX_INPC_TRIE_TOP,
ULAYOUT_IX_INSC_TRIE_TOP,
ULAYOUT_IX_VO_TRIE_TOP,
ULAYOUT_IX_RESERVED_TOP,
ULAYOUT_IX_TRIES_TOP = 7,
ULAYOUT_IX_MAX_VALUES = 9,
// Length of indexes[]. Multiple of 4 to 16-align the tries.
ULAYOUT_IX_COUNT = 12
};
constexpr int32_t ULAYOUT_MAX_INPC_SHIFT = 24;
constexpr int32_t ULAYOUT_MAX_INSC_SHIFT = 16;
constexpr int32_t ULAYOUT_MAX_VO_SHIFT = 8;
#endif // __ULAYOUT_PROPS_H__