90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
/*
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* Copyright (c) 2011-2016, 2022 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* editline.h
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* Read a line from the terminal.
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*/
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#ifndef EDITLINE_H
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#define EDITLINE_H
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#include <stddef.h>
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#include "showline.h"
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struct edit_line
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{
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const char* ps1;
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const char* ps2;
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struct show_line show_state;
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wchar_t* line;
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size_t line_offset;
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size_t line_used;
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size_t line_length;
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char** history;
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size_t history_offset;
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size_t history_used;
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size_t history_length;
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size_t history_target;
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size_t history_begun;
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void* check_input_incomplete_context;
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bool (*check_input_incomplete)(void*, const char*);
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void* trap_eof_opportunity_context;
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void (*trap_eof_opportunity)(void*);
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void* complete_context;
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size_t (*complete)(char***, size_t*, size_t*, void*, const char*, size_t);
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int in_fd;
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int out_fd;
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bool editing;
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bool abort_editing;
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bool eof_condition;
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bool double_tab;
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// TODO: Should these be stored here, or outside the line editing context?
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bool left_control;
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bool right_control;
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};
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void edit_line_show(struct edit_line* edit_state);
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char* edit_line_result(struct edit_line* edit_state);
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bool edit_line_can_finish(struct edit_line* edit_state);
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void edit_line_append_history(struct edit_line* edit_state, const char* line);
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void edit_line_type_use_record(struct edit_line* edit_state, const char* record);
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void edit_line_type_history_save_at(struct edit_line* edit_state, size_t index);
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void edit_line_type_history_save_current(struct edit_line* edit_state);
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void edit_line_type_history_prev(struct edit_line* edit_state);
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void edit_line_type_history_next(struct edit_line* edit_state);
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void edit_line_type_codepoint(struct edit_line* edit_state, wchar_t wc);
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void edit_line_type_home(struct edit_line* edit_state);
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void edit_line_type_left(struct edit_line* edit_state);
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void edit_line_type_right(struct edit_line* edit_state);
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void edit_line_type_end(struct edit_line* edit_state);
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void edit_line_type_backspace(struct edit_line* edit_state);
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void edit_line_type_previous_word(struct edit_line* edit_state);
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void edit_line_type_next_word(struct edit_line* edit_state);
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void edit_line_type_delete(struct edit_line* edit_state);
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void edit_line_type_eof_or_delete(struct edit_line* edit_state);
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void edit_line_type_interrupt(struct edit_line* edit_state);
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void edit_line_type_kill_after(struct edit_line* edit_state);
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void edit_line_type_kill_before(struct edit_line* edit_state);
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void edit_line_type_clear(struct edit_line* edit_state);
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void edit_line_type_delete_word_before(struct edit_line* edit_state);
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int edit_line_completion_sort(const void* a_ptr, const void* b_ptr);
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void edit_line_type_complete(struct edit_line* edit_state);
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bool edit_line_history_load(struct edit_line* edit_state, const char* path);
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bool edit_line_history_save(struct edit_line* edit_state, const char* path);
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void edit_line(struct edit_line* edit_state);
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#endif
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