ulayout_props.h (1261B)
1 // © 2019 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 4 // ulayout_props.h 5 // created: 2019feb12 Markus W. Scherer 6 7 #ifndef __ULAYOUT_PROPS_H__ 8 #define __ULAYOUT_PROPS_H__ 9 10 #include "unicode/utypes.h" 11 12 // file definitions ------------------------------------------------------------ 13 14 #define ULAYOUT_DATA_NAME "ulayout" 15 #define ULAYOUT_DATA_TYPE "icu" 16 17 // data format "Layo" 18 #define ULAYOUT_FMT_0 0x4c 19 #define ULAYOUT_FMT_1 0x61 20 #define ULAYOUT_FMT_2 0x79 21 #define ULAYOUT_FMT_3 0x6f 22 23 // indexes into indexes[] 24 enum { 25 // Element 0 stores the length of the indexes[] array. 26 ULAYOUT_IX_INDEXES_LENGTH, 27 // Elements 1..7 store the tops of consecutive code point tries. 28 // No trie is stored if the difference between two of these is less than 16. 29 ULAYOUT_IX_INPC_TRIE_TOP, 30 ULAYOUT_IX_INSC_TRIE_TOP, 31 ULAYOUT_IX_VO_TRIE_TOP, 32 ULAYOUT_IX_RESERVED_TOP, 33 34 ULAYOUT_IX_TRIES_TOP = 7, 35 36 ULAYOUT_IX_MAX_VALUES = 9, 37 38 // Length of indexes[]. Multiple of 4 to 16-align the tries. 39 ULAYOUT_IX_COUNT = 12 40 }; 41 42 constexpr int32_t ULAYOUT_MAX_INPC_SHIFT = 24; 43 constexpr int32_t ULAYOUT_MAX_INSC_SHIFT = 16; 44 constexpr int32_t ULAYOUT_MAX_VO_SHIFT = 8; 45 46 #endif // __ULAYOUT_PROPS_H__