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#include "common.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
static char current[2048];
static int running = 0;
#define BEGIN "\r\033[2K"
#define CHECK "\033[1;32m✔\033[0m"
#define BALLOT "\033[1;31m✘\033[0m"
#define WARN "\033[1;33m‼\033[0m"
static void
display(const char *sign, const char *format, va_list ap) {
if (running) {
running = 0;
fprintf(stderr, BEGIN "[%s] %s%c\n", sign, current, format?':':'.');
fflush(stderr);
}
if (format) {
/* We indent the message */
int n = 0;
int size = 0;
char *message = NULL;
char *cur;
while (n >= size) {
if ((message = realloc(message, size + 8192)) == NULL) return;
size = size + 8192;
if ((n = vsnprintf(message, size, format, ap)) == -1) return;
}
cur = message;
fprintf(stderr, " │ ");
while (*cur) {
if (*cur == '\n')
fprintf(stderr, "\n │ ");
else
fprintf(stderr, "%c", *cur);
cur++;
}
fprintf(stderr, "\n");
fflush(stderr);
free(message);
}
}
void
start(const char *format, ...) {
va_list ap;
int n;
if (running) end(NULL);
/* Save the current message */
va_start(ap, format);
n = vsnprintf(current, sizeof(current), format, ap);
va_end(ap);
if (n == -1 || n >= sizeof(current))
exit(EXIT_FAILURE);
/* Display */
fprintf(stderr, "[ ] %s ...", current);
fflush(stderr);
running = 1;
}
void
end(const char *format, ...) {
va_list ap;
va_start(ap, format);
display(CHECK, format, ap);
va_end(ap);
}
void
fail(const char *format, ...) {
va_list ap;
va_start(ap, format);
display(BALLOT, format, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void
warn(const char *format, ...) {
va_list ap;
va_start(ap, format);
display(WARN, format, ap);
va_end(ap);
}
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