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CPunch
789c5210b4
https://github.com/msteveb/linenoise this version has several benefits, namely win32 support :D
153 lines
4.7 KiB
C
153 lines
4.7 KiB
C
/* linenoise.h -- guerrilla line editing library against the idea that a
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* line editing lib needs to be 20,000 lines of C code.
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*
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* See linenoise.c for more information.
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*
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* ------------------------------------------------------------------------
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*
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* Copyright (c) 2010, Salvatore Sanfilippo <antirez at gmail dot com>
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* Copyright (c) 2010, Pieter Noordhuis <pcnoordhuis 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 <inttypes.h>
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#include <string.h>
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#ifndef NO_COMPLETION
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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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/*
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* The callback type for tab completion handlers.
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*/
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typedef void(linenoiseCompletionCallback)(const char *prefix, linenoiseCompletions *comp, void *userdata);
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/*
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* Sets the current tab completion handler and returns the previous one, or NULL
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* if no prior one has been set.
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*/
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linenoiseCompletionCallback * linenoiseSetCompletionCallback(linenoiseCompletionCallback *comp, void *userdata);
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/*
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* Adds a copy of the given string to the given completion list. The copy is owned
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* by the linenoiseCompletions object.
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*/
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void linenoiseAddCompletion(linenoiseCompletions *comp, const char *str);
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typedef char*(linenoiseHintsCallback)(const char *, int *color, int *bold, void *userdata);
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typedef void(linenoiseFreeHintsCallback)(void *hint, void *userdata);
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void linenoiseSetHintsCallback(linenoiseHintsCallback *callback, void *userdata);
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void linenoiseSetFreeHintsCallback(linenoiseFreeHintsCallback *callback);
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#endif
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/*
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* Prompts for input using the given string as the input
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* prompt. Returns when the user has tapped ENTER or (on an empty
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* line) EOF (Ctrl-D on Unix, Ctrl-Z on Windows). Returns either
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* a copy of the entered string (for ENTER) or NULL (on EOF). The
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* caller owns the returned string and must eventually free() it.
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*/
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char *linenoise(const char *prompt);
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/**
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* Like linenoise() but starts with an initial buffer.
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*/
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char *linenoiseWithInitial(const char *prompt, const char *initial);
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/**
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* Clear the screen.
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*/
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void linenoiseClearScreen(void);
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/*
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* Adds a copy of the given line of the command history.
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*/
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int linenoiseHistoryAdd(const char *line);
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/*
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* Sets the maximum length of the command history, in lines.
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* If the history is currently longer, it will be trimmed,
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* retaining only the most recent entries. If len is 0 or less
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* then this function does nothing.
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*/
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int linenoiseHistorySetMaxLen(int len);
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/*
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* Returns the current maximum length of the history, in lines.
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*/
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int linenoiseHistoryGetMaxLen(void);
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/*
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* Saves the current contents of the history to the given file.
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* Returns 0 on success.
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*/
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int linenoiseHistorySave(const char *filename);
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/*
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* Replaces the current history with the contents
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* of the given file. Returns 0 on success.
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*/
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int linenoiseHistoryLoad(const char *filename);
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/*
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* Frees all history entries, clearing the history.
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*/
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void linenoiseHistoryFree(void);
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/*
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* Returns a pointer to the list of history entries, writing its
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* length to *len if len is not NULL. The memory is owned by linenoise
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* and must not be freed.
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*/
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char **linenoiseHistory(int *len);
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/*
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* Returns the number of display columns in the current terminal.
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*/
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int linenoiseColumns(void);
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/**
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* Enable or disable multiline mode (disabled by default)
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*/
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void linenoiseSetMultiLine(int enableml);
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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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