215 lines
7.4 KiB
C
215 lines
7.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_readline.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: sbenning <sbenning@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/08 18:02:25 by sbenning #+# #+# */
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/* Updated: 2016/12/14 13:51:14 by sbenning ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef FT_READLINE_H
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# define FT_READLINE_H
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# include "libft.h"
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# include "ft_curs.h"
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/*
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* Input-Key Mapping !!! LINUX Or MACOSX !!!
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*/
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//# define LINUX
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# define MACOSX
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# include "ft_input.h"
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/*
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* Default offset for dynamic allocation
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*/
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# define RL_OFFSET 1024
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/*
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* Readline possible prompt
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*/
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# define RL_PROMPT_DEFAULT "$> "
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# define RL_PROMPT_ESC "> "
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# define RL_PROMPT_QUOTE "quote> "
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# define RL_PROMPT_DQUOTE "double quote> "
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/*
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* Bitset manipulation : X is the bitset and Y is the bit to manipulate
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* IS : Is Y set in X
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* NOT : Is Y not set in X
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* SET : Set Y in X
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* UNSET : Unset Y from X
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*/
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# define RL_IS(X, Y) (X & Y)
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# define RL_NOT(X, Y) (!RL_IS(X, Y))
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# define RL_SET(X, Y) (X |= Y)
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# define RL_UNSET(X, Y) (X &= ~Y)
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/*
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* Possible bit for t_line.bitset
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*
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* FINISH : bit to terminate and flush the readline
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* STACK : bit to stack the current line and begin another one
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* INSERT : bit to toogle insert-mode/replace-mode
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* SELECT : bit to toogle extend-video-area-mode/clear-video-area-mode
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* ESC : bit to escape quoting and new line
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* QUOTE : bit to toogle quote-terminated-mode/quote-not-terminated-mode
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* DQUOTE : bit to toogle dquote-terminated-mode/dquote-not-terminated-mode
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* QUOTING : Regroup ESC, QUOTE and DQUOTE
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*/
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# define RL_FINISH 0x1
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# define RL_STACK 0x2
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# define RL_INSERT 0x4
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# define RL_SELECT 0x8
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# define RL_ESC 0x10
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# define RL_QUOTE 0x20
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# define RL_DQUOTE 0x40
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# define RL_QUOTING (RL_ESC|RL_QUOTE|RL_DQUOTE)
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typedef struct s_data t_data;
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typedef struct s_line t_line;
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typedef struct s_input t_input;
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typedef int (*t_input_function)(t_line *, long int);
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/*
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* Interactive line data:
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*
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* bitset : global/local state and settings for readline
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* prompt : current prompt
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* input : destination buffer
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* pos : cursor position in the destination buffer
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* size : allocated size of the destination buffer
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* used : actual used size in the destination buffer
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* select : start position of the video (aka selected) area in the destination buffer
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* clipboard : duplication of the copied/cuted part of the destination buffer
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* stack : list of stacked line. (lines are stacked when a quoted (or escaped) new line appear)
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*/
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struct s_line
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{
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int bitset;
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char *prompt;
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char *input;
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char *clipboard;
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int pos;
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int size;
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int used;
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int select;
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t_curs curs;
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t_list *stack;
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/*COMPATIBILITY*/
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t_dlist *history;
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t_list *qstack;
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};
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/*
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* Input data:
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* code : input identifier
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* function : input handler
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*/
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struct s_input
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{
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long int code;
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t_input_function function;
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};
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# include "minishell.h"
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/*
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* Readline setup/cleanup/teardown
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*/
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int rl_setup(t_line *line);
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int rl_cleanup(t_line *line);
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void rl_teardown(t_line *line);
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/*
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* Dynamic allocated buffer manipulation
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*/
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int input_maj(t_line *line, char *str, int size);
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int input_move(t_line *line, char *str, int size);
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void input_remove(t_line *line, int size);
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/*
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* Readline internal function
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*/
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void rl_set_prompt(t_line *line);
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void rl_put_prompt(t_line *line);
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int rl_previous_word(t_line *line);
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int rl_next_word(t_line *line);
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int rl_clipboard_new(t_line *line);
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int rl_clipboard_new_cut(t_line *line);
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void rl_toogle_bitset(t_line *line, int set);
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int rl_finish(t_line *line);
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int rl_stack_line(t_line *line);
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int rl_merge_line(t_line *line);
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/*
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* Realine display functions:
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*
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* reset_display : Redraw the interactive buffer and replace the cursor
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* based on t_line.input, t_line.pos and t_line.select .
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* reset_display_ante : Redraw before the cursor position.
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* reset_display_post : Redraw after the cursor position.
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*/
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void rl_reset_display(t_line *line);
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void rl_reset_display_ante(t_line *line);
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void rl_reset_display_post(t_line *line);
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/*
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* input handler functions
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*
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* An handler use curs_<utilities-function> to manipulate the cursor position
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* and recalc t_line.pos based on the cursor movement.
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*
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* An handler can also modify the content of the destination buffer.
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* If it do so, it must reset all display that appear
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* after the first index of that modification.
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* If t_line.pos is that index, rl_reset_display_post can simply do the work.
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*/
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int rl_default_function(t_line *line, long int input); /* Not handled input */
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int rl_esc_function(t_line *line, long int input); /* Backslash */
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int rl_quote_function(t_line *line, long int input); /* Simple quote */
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int rl_dquote_function(t_line *line, long int input); /* Double quote */
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int rl_nl_function(t_line *line, long int input); /* New line */
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int rl_comp_function(t_line *line, long int input); /* Tabulation */
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int rl_left_function(t_line *line, long int input); /* Left move */
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int rl_right_function(t_line *line, long int input); /* Right move */
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int rl_wleft_function(t_line *line, long int input); /* Word left move */
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int rl_wright_function(t_line *line, long int input); /* Word right move */
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int rl_home_function(t_line *line, long int input); /* Home move */
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int rl_end_function(t_line *line, long int input); /* End move */
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int rl_pageup_function(t_line *line, long int input); /* Pageup move */
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int rl_pagedown_function(t_line *line, long int input); /* Pagedown move*/
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int rl_select_left_function(t_line *line, long int input); /* Left extend video area */
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int rl_select_right_function(t_line *line, long int input); /* Right extend video area */
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int rl_select_wleft_function(t_line *line, long int input); /* Word left extend video area */
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int rl_select_wright_function(t_line *line, long int input); /* Word right extend video area */
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int rl_select_home_function(t_line *line, long int input); /* Home extend video area */
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int rl_select_end_function(t_line *line, long int input); /* End extend video area */
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int rl_select_pageup_function(t_line *line, long int input); /* Pageup extend video area */
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int rl_select_pagedown_function(t_line *line, long int input); /* Pagedown extend video area */
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int rl_retarr_function(t_line *line, long int input); /* Remove before the cursor */
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int rl_suppr_function(t_line *line, long int input); /* Remove after the cursor */
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int rl_clear_function(t_line *line, long int input); /* Clear screen */
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int rl_copy_function(t_line *line, long int input); /* Copy selected area or current cursor line */
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int rl_cut_function(t_line *line, long int input); /* Cut selected area or current cursor line */
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int rl_paste_function(t_line *line, long int input); /* Paste copied/cuted area */
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int rl_insert_function(t_line *line, long int input); /* Toogle insert-mode/replacement-mode */
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int ft_readline(t_line *line);
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#endif
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