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opengnsys_ipxe
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[readline] Add TAB support 

Signed-off-by: AtieP <nosequiensoy8664@gmail.com>

This commit adds TAB support, so when you're typing a command and you press TAB, similar commands are shown.
pull/596/head
AtieP 2022-04-10 14:07:37 +02:00
parent bc5c612f75
commit 2aebb209be
1 changed files with 33 additions and 0 deletions
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33
src/hci/readline.c
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@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#include <errno.h> #include <errno.h>
#include <ipxe/command.h>
#include <ipxe/console.h> #include <ipxe/console.h>
#include <ipxe/keys.h> #include <ipxe/keys.h>
#include <ipxe/editstring.h> #include <ipxe/editstring.h>
@ -324,6 +325,38 @@ int readline_history ( const char *prompt, const char *prefill,
case KEY_DOWN: case KEY_DOWN:
move_by = -1; move_by = -1;
break; break;
case TAB: {
int new_line_printed, matches_found;
struct command *cmd;
new_line_printed = matches_found = 0;
for_each_table_entry ( cmd, COMMANDS ) {
if ( strncmp ( buf, cmd->name, strlen ( buf ) ) == 0 ) {
if ( !new_line_printed) {
printf("\n");
new_line_printed = 1;
matches_found = 1;
}
printf ( "%s ", cmd->name );
}
}
if ( matches_found ) {
printf ( "\n" );
/* Printing the prompt and creating a new editstring to print
the already typed command */
if ( prompt )
printf ( "%s", prompt );
memset ( &string, 0, sizeof ( string ) );
init_editstring ( &string, buf, READLINE_MAX );
replace_string ( &string, buf );
sync_console ( &string );
}
continue;
}
default: default:
/* Do nothing */ /* Do nothing */
break; break;