| | 1 | /* |
| | 2 | ******************************************************************************* |
| | 3 | * |
| | 4 | * Copyright (C) 2000-2003, International Business Machines |
| | 5 | * Corporation and others. All Rights Reserved. |
| | 6 | * |
| | 7 | ******************************************************************************* |
| | 8 | * file name: genmbcs.h |
| | 9 | * encoding: US-ASCII |
| | 10 | * tab size: 8 (not used) |
| | 11 | * indentation:4 |
| | 12 | * |
| | 13 | * created on: 2000jul10 |
| | 14 | * created by: Markus W. Scherer |
| | 15 | */ |
| | 16 | |
| | 17 | #ifndef __GENMBCS_H__ |
| | 18 | #define __GENMBCS_H__ |
| | 19 | |
| | 20 | #include "makeconv.h" |
| | 21 | |
| | 22 | enum { |
| | 23 | MBCS_STAGE_2_BLOCK_SIZE=0x40, /* 64; 64=1<<6 for 6 bits in stage 2 */ |
| | 24 | MBCS_STAGE_2_BLOCK_SIZE_SHIFT=6, /* log2(MBCS_STAGE_2_BLOCK_SIZE) */ |
| | 25 | MBCS_STAGE_1_SIZE=0x440, /* 0x110000>>10, or 17*64 for one entry per 1k code points */ |
| | 26 | MBCS_STAGE_2_SIZE=0xfbc0, /* 0x10000-MBCS_STAGE_1_SIZE */ |
| | 27 | MBCS_MAX_STAGE_2_TOP=MBCS_STAGE_2_SIZE, |
| | 28 | MBCS_STAGE_2_MAX_BLOCKS=MBCS_STAGE_2_SIZE>>MBCS_STAGE_2_BLOCK_SIZE_SHIFT, |
| | 29 | |
| | 30 | MBCS_STAGE_2_ALL_UNASSIGNED_INDEX=0, /* stage 1 entry for the all-unassigned stage 2 block */ |
| | 31 | MBCS_STAGE_2_FIRST_ASSIGNED=MBCS_STAGE_2_BLOCK_SIZE, /* start of the first stage 2 block after the all-unassigned one */ |
| | 32 | |
| | 33 | MBCS_STAGE_3_BLOCK_SIZE=16, /* 16; 16=1<<4 for 4 bits in stage 3 */ |
| | 34 | MBCS_STAGE_3_FIRST_ASSIGNED=MBCS_STAGE_3_BLOCK_SIZE, /* start of the first stage 3 block after the all-unassigned one */ |
| | 35 | |
| | 36 | MBCS_MAX_FALLBACK_COUNT=8192 |
| | 37 | }; |
| | 38 | |
| | 39 | U_CFUNC NewConverter * |
| | 40 | MBCSOpen(UCMFile *ucm); |
| | 41 | |
| | 42 | U_CFUNC NewConverter * |
| | 43 | CnvExtOpen(UCMFile *ucm); |
| | 44 | |
| | 45 | #endif |
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