projects / apple / icu.git / blame
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|---|---|---|
| 3d1f044b A |
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__ |