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a1649cc13f
This is a fork of linenoise that is C++17 compatible. I intend on adding it to llama-run so we can do things like traverse prompt history via the up and down arrows: https://github.com/ericcurtin/linenoise.cpp Signed-off-by: Eric Curtin <ecurtin@redhat.com>
115 lines
4.5 KiB
C
115 lines
4.5 KiB
C
/* linenoise.h -- VERSION 1.0
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*
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* Guerrilla line editing library against the idea that a line editing lib
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* needs to be 20,000 lines of C++ code.
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*
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* See linenoise.cpp for more information.
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*
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* ------------------------------------------------------------------------
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*
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* Copyright (c) 2010-2023, Salvatore Sanfilippo <antirez at gmail dot com>
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* Copyright (c) 2010-2013, Pieter Noordhuis <pcnoordhuis at gmail dot com>
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* Copyright (c) 2025, Eric Curtin <ericcurtin17 at gmail dot com>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LINENOISE_H
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#define __LINENOISE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h> /* For size_t. */
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extern const char *linenoiseEditMore;
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/* The linenoiseState structure represents the state during line editing.
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* We pass this state to functions implementing specific editing
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* functionalities. */
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struct linenoiseState {
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int in_completion; /* The user pressed TAB and we are now in completion
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* mode, so input is handled by completeLine(). */
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size_t completion_idx; /* Index of next completion to propose. */
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int ifd; /* Terminal stdin file descriptor. */
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int ofd; /* Terminal stdout file descriptor. */
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char *buf; /* Edited line buffer. */
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size_t buflen; /* Edited line buffer size. */
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const char *prompt; /* Prompt to display. */
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size_t plen; /* Prompt length. */
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size_t pos; /* Current cursor position. */
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size_t oldpos; /* Previous refresh cursor position. */
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size_t len; /* Current edited line length. */
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size_t cols; /* Number of columns in terminal. */
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size_t oldrows; /* Rows used by last refrehsed line (multiline mode) */
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int history_index; /* The history index we are currently editing. */
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};
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typedef struct linenoiseCompletions {
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size_t len;
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char **cvec;
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} linenoiseCompletions;
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/* Non blocking API. */
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int linenoiseEditStart(struct linenoiseState *l, int stdin_fd, int stdout_fd, char *buf, size_t buflen, const char *prompt);
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const char *linenoiseEditFeed(struct linenoiseState *l);
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void linenoiseEditStop(struct linenoiseState *l);
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void linenoiseHide(struct linenoiseState *l);
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void linenoiseShow(struct linenoiseState *l);
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/* Blocking API. */
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const char *linenoise(const char *prompt);
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void linenoiseFree(void *ptr);
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/* Completion API. */
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typedef void(linenoiseCompletionCallback)(const char *, linenoiseCompletions *);
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typedef const char*(linenoiseHintsCallback)(const char *, int *color, int *bold);
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typedef void(linenoiseFreeHintsCallback)(const char *);
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void linenoiseSetCompletionCallback(linenoiseCompletionCallback *);
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void linenoiseSetHintsCallback(linenoiseHintsCallback *);
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void linenoiseSetFreeHintsCallback(linenoiseFreeHintsCallback *);
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void linenoiseAddCompletion(linenoiseCompletions *, const char *);
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/* History API. */
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int linenoiseHistoryAdd(const char *line);
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int linenoiseHistorySetMaxLen(int len);
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int linenoiseHistorySave(const char *filename);
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int linenoiseHistoryLoad(const char *filename);
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/* Other utilities. */
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void linenoiseClearScreen(void);
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void linenoiseSetMultiLine(int ml);
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void linenoisePrintKeyCodes(void);
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void linenoiseMaskModeEnable(void);
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void linenoiseMaskModeDisable(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LINENOISE_H */
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