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78 lines
1.2 KiB
C
78 lines
1.2 KiB
C
/*
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*
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* (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "console.h"
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void cli_edit(char *s, int length)
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{
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int l = strlen(s);
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int pos = l;
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int c = 1;
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int i;
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printf("%s", s);
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while ((c = console_getchar()) != '\r')
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{
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if ( (c > 0x1f) && (c < 0x7f) && (l < length - 1) )
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{
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for (i = l; i > pos; i--)
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s[i] = s[i - 1];
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s[pos] = c;
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putchar(c);
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pos++;
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l++;
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console_cursor_save();
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printf("%s", s + pos);
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console_cursor_restore();
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}
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else switch(c)
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{
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case '':
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if (pos > 0)
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{
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putchar('\b');
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pos--;
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}
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break;
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case '':
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if (pos < l)
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{
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putchar(s[pos]);
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pos++;
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}
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break;
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case '\b': /* backspace */
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if (pos > 0)
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{
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putchar('\b');
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pos--;
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l--;
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strcpy(s + pos, s + pos + 1);
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console_cursor_save();
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printf("%s", s + pos);
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putchar(' ');
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console_cursor_restore();
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}
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break;
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case 0x7f: /* Delete */
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if (pos < l)
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{
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strcpy(s + pos, s + pos + 1);
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l--;
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console_cursor_save();
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printf("%s", s + pos);
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putchar(' ');
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console_cursor_restore();
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}
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break;
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}
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}
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}
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