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/* MSPDebug - debugging tool for MSP430 MCUs
* Copyright (C) 2009-2012 Daniel Beer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "input_console.h"
#include "util.h"
#define LINE_BUF_SIZE 128
static char *readline(const char *prompt)
{
char *buf = malloc(LINE_BUF_SIZE);
if (!buf) {
fprintf(stdout, "readline: can't allocate memory: %s\n",
last_error());
return NULL;
}
for (;;) {
printf("%s", prompt);
fflush(stdout);
if (fgets(buf, LINE_BUF_SIZE, stdin)) {
int len = strlen(buf);
while (len > 0 && isspace(buf[len - 1]))
len--;
buf[len] = 0;
return buf;
}
if (feof(stdin))
break;
printf("\n");
}
free(buf);
return NULL;
}
static int console_init(void)
{
return 0;
}
static void console_exit(void) { }
static int console_read_command(char *out, int max_len)
{
char *buf = readline("(mspdebug) ");
if (!buf) {
printf("\n");
return 1;
}
strncpy(out, buf, max_len);
out[max_len - 1] = 0;
free(buf);
return 0;
}
static int console_prompt_abort(const char *message)
{
char buf[32];
for (;;) {
printf("%s ", message);
fflush(stdout);
if (!fgets(buf, sizeof(buf), stdin)) {
printf("\n");
return 1;
}
if (toupper(buf[0]) == 'Y')
return 0;
if (toupper(buf[0]) == 'N')
return 1;
printf("Please answer \"y\" or \"n\".\n");
}
return 0;
}
const struct input_interface input_console = {
.init = console_init,
.exit = console_exit,
.read_command = console_read_command,
.prompt_abort = console_prompt_abort
};
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