93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* c_output.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: alao <alao@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/03 13:10:38 by alao #+# #+# */
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/* Updated: 2017/02/16 15:16:10 by alao ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "completion.h"
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/*
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** Output function. Will update the data->line.input along with the
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** position of the cursor in data->line.pos. If the autocompletion occur in
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** the middle of the command, it will join the trailing part of it. Therefor
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** recreating the commands completed.
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** Once that done, it will clear all the memory related and return one for the
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** line edition module which will then trigger an update on the command line.
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*/
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int c_updater(t_comp *c, char *select)
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{
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char *tmp;
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char *rt;
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tmp = NULL;
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rt = NULL;
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if (c->match)
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tmp = ft_strsub(c->rcmd, 0, ft_strlen(c->rcmd) - ft_strlen(c->match));
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else
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tmp = ft_strdup(c->rcmd);
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rt = ft_strjoin(tmp, select);
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tmp ? ft_memdel((void *)&tmp) : (0);
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data_singleton()->line.input ? ft_memdel((void *)&data_singleton()->line.input) : (0);
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if (c->trail)
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data_singleton()->line.input = ft_strjoin(rt, c->trail);
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else
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data_singleton()->line.input = ft_strdup(rt);
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data_singleton()->line.pos = ft_strlen(c->rcmd) + ft_strlen(select);
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rt ? ft_memdel((void *)&rt) : (0);
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c_clear(data_singleton());
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return (1);
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}
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/*
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** Keypress handling function.
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**
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** The function will determine the right behavior depending on the key pressed
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** If a delete key is called, the function will clear all the line and delete
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** the module memory.
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** if a validation key is called, the function will search for the selected
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** node and call c_updater().
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** If none of the above behavior is right, the function will call for
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** c_rematch() which will recreate the list by adding the keypressed to the
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** c->match variable.
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**
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** RETURN VALUE:
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** If the function doesn't require an update of the command line, it will
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** return 0. Else it will return 1.
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**
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** Keypress values that cancel the module:
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** 27: Escape
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** 127: Backspace
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** 2117294875: Delete
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**
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** Keypress values that validate the choice:
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** 10: Enter
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** 32: Space
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*/
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int c_gtfo(t_comp *c, long int keypress)
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{
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t_clst *ptr;
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if (keypress == 27 || keypress == 127 || keypress == 2117294875)
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{
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c_term_clear(c);
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c_clear(data_singleton());
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return (0);
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}
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if (keypress == 10 || keypress == 32)
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{
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ptr = c->lst;
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while (!ptr->cursor)
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ptr = ptr->next;
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c_updater(c, ptr->name);
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return (1);
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}
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return ((c_rematch(c, keypress)) ? (0) : (1));
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}
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