[398] | 1 | /**
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| 2 | * @file text_history.h
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| 3 | * @author CuBeatSystems
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| 4 | * @author Shinichiro Nakamura
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| 5 | * @copyright
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| 6 | * ===============================================================
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| 7 | * Natural Tiny Shell (NT-Shell) Version 0.3.1
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| 8 | * ===============================================================
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| 9 | * Copyright (c) 2010-2016 Shinichiro Nakamura
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| 10 | *
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| 11 | * Permission is hereby granted, free of charge, to any person
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| 12 | * obtaining a copy of this software and associated documentation
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| 13 | * files (the "Software"), to deal in the Software without
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| 14 | * restriction, including without limitation the rights to use,
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| 15 | * copy, modify, merge, publish, distribute, sublicense, and/or
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| 16 | * sell copies of the Software, and to permit persons to whom the
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| 17 | * Software is furnished to do so, subject to the following
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| 18 | * conditions:
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| 19 | *
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| 20 | * The above copyright notice and this permission notice shall be
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| 21 | * included in all copies or substantial portions of the Software.
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| 22 | *
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| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 25 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 27 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 28 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 29 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 30 | * OTHER DEALINGS IN THE SOFTWARE.
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| 31 | */
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| 32 |
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| 33 | #ifndef TEXT_HISTORY_H
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| 34 | #define TEXT_HISTORY_H
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| 35 |
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| 36 | #include "ntconf.h"
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| 37 |
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| 38 | /**
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| 39 | * @brief Maximum length per a history.
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| 40 | */
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| 41 | #define TEXTHISTORY_MAXLEN (NTCONF_EDITOR_MAXLEN)
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| 42 |
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| 43 | /**
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| 44 | * @brief Depth of the history.
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| 45 | */
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| 46 | #define TEXTHISTORY_DEPTH (NTCONF_HISTORY_DEPTH)
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| 47 |
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| 48 | /**
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| 49 | * @brief Structure of the text history module.
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| 50 | */
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| 51 | typedef struct {
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| 52 | /**
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| 53 | * @brief History buffer.
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| 54 | */
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| 55 | char history[TEXTHISTORY_MAXLEN * TEXTHISTORY_DEPTH];
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| 56 |
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| 57 | /**
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| 58 | * @brief Read pointer.
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| 59 | */
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| 60 | int rp;
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| 61 |
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| 62 | /**
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| 63 | * @brief Write pointer.
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| 64 | */
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| 65 | int wp;
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| 66 | } text_history_t;
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| 67 |
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| 68 | #ifdef __cplusplus
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| 69 | extern "C" {
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| 70 | #endif
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| 71 |
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| 72 | void text_history_init(text_history_t *p);
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| 73 | int text_history_write(text_history_t *p, char *buf);
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| 74 | int text_history_read(text_history_t *p, char *buf, const int siz);
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| 75 | int text_history_read_point_next(text_history_t *p);
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| 76 | int text_history_read_point_prev(text_history_t *p);
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| 77 | int text_history_find(text_history_t *p, const int index, const char *text, char *buf, const int siz);
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| 78 |
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| 79 | #ifdef __cplusplus
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| 80 | }
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| 81 | #endif
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| 82 |
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| 83 | #endif
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| 84 |
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