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52 lines
2.7 KiB
C
52 lines
2.7 KiB
C
/* ----------------------------------------------------------------------------
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Copyright (c) 2021, Daan Leijen
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This is free software; you can redistribute it and/or modify it
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under the terms of the MIT License. A copy of the license can be
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found in the "LICENSE" file at the root of this distribution.
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-----------------------------------------------------------------------------*/
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#pragma once
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#ifndef IC_COMPLETIONS_H
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#define IC_COMPLETIONS_H
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#include "common.h"
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#include "stringbuf.h"
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//-------------------------------------------------------------
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// Completions
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//-------------------------------------------------------------
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#define IC_MAX_COMPLETIONS_TO_SHOW (1000)
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#define IC_MAX_COMPLETIONS_TO_TRY (IC_MAX_COMPLETIONS_TO_SHOW/4)
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typedef struct completions_s completions_t;
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ic_private completions_t* completions_new(alloc_t* mem);
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ic_private void completions_free(completions_t* cms);
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ic_private void completions_clear(completions_t* cms);
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ic_private bool completions_add(completions_t* cms , const char* replacement, const char* display, const char* help, ssize_t delete_before, ssize_t delete_after);
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ic_private ssize_t completions_count(completions_t* cms);
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ic_private ssize_t completions_generate(struct ic_env_s* env, completions_t* cms , const char* input, ssize_t pos, ssize_t max);
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ic_private void completions_sort(completions_t* cms);
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ic_private void completions_set_completer(completions_t* cms, ic_completer_fun_t* completer, void* arg);
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ic_private const char* completions_get_display(completions_t* cms , ssize_t index, const char** help);
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ic_private const char* completions_get_hint(completions_t* cms, ssize_t index, const char** help);
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ic_private void completions_get_completer(completions_t* cms, ic_completer_fun_t** completer, void** arg);
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ic_private ssize_t completions_apply(completions_t* cms, ssize_t index, stringbuf_t* sbuf, ssize_t pos);
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ic_private ssize_t completions_apply_longest_prefix(completions_t* cms, stringbuf_t* sbuf, ssize_t pos);
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//-------------------------------------------------------------
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// Completion environment
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//-------------------------------------------------------------
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typedef bool (ic_completion_fun_t)( ic_env_t* env, void* funenv, const char* replacement, const char* display, const char* help, long delete_before, long delete_after );
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struct ic_completion_env_s {
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ic_env_t* env; // the isocline environment
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const char* input; // current full input
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long cursor; // current cursor position
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void* arg; // argument given to `ic_set_completer`
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void* closure; // free variables for function composition
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ic_completion_fun_t* complete; // function that adds a completion
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};
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#endif // IC_COMPLETIONS_H
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