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| Rev | Author | Line No. | Line |
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| 4061 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2009 Jiri Svoboda |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup kbdgen generic |
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| 30 | * @brief Generic scancode parser. |
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| 31 | * @ingroup kbd |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | /** @file |
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| 35 | */ |
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| 36 | |||
| 37 | #ifndef KBD_GSP_H_ |
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| 38 | #define KBD_GSP_H_ |
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| 39 | |||
| 40 | #include <libadt/hash_table.h> |
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| 41 | |||
| 42 | enum { |
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| 43 | GSP_END = -1, |
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| 44 | GSP_DEFAULT = -2 |
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| 45 | }; |
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| 46 | |||
| 47 | typedef struct { |
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| 48 | /** Transition table, (state, input) -> (state, output). */ |
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| 49 | hash_table_t trans; |
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| 50 | |||
| 51 | /** Current number of states. */ |
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| 52 | int states; |
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| 53 | } gsp_t; |
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| 54 | |||
| 55 | typedef struct { |
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| 56 | link_t link; |
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| 57 | |||
| 58 | int old_state; |
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| 59 | int input; |
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| 60 | |||
| 61 | int new_state; |
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| 62 | |||
| 63 | unsigned out_mods; |
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| 64 | unsigned out_key; |
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| 65 | } gsp_trans_t; |
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| 66 | |||
| 67 | extern void gsp_init(gsp_t *); |
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| 68 | extern int gsp_insert_defs(gsp_t *, const int *); |
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| 69 | extern int gsp_insert_seq(gsp_t *, const int *, unsigned, unsigned); |
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| 70 | extern int gsp_step(gsp_t *, int, int, unsigned *, unsigned *); |
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| 71 | |||
| 72 | |||
| 73 | #endif |
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| 74 | |||
| 75 | /** |
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| 76 | * @} |
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| 77 | */ |
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| 78 |