confer/src/log.c

#include "log.h"
#include "env.h"
#include "intl.h"
#include "util.h"

#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>

int            lastprog = -1;
struct winsize barwin   = {0};

void bar_init() {
  lastprog = -1;
  ioctl(STDOUT_FILENO, TIOCGWINSZ, &barwin);
  printf("\e[?25l");
  bar(0, 1);
}

void bar_free() {
  int size = barwin.ws_col;

  printf("\r");
  for (int i = 0; i < size; i++)
    printf(" ");
  printf("\r");

  printf("\e[?25h");
}

bool bar(float cur, float max) {
  if (cur <= 0 || max <= 0 || cur > max)
    return false;

  float per = 100 * (cur / max);
  if (per > 100) {
    return false;
  }

  char perc[20];
  sprintf(perc, " %%%.f", per);

  int size = barwin.ws_col - (3 + strlen(perc));
  if (size <= 0) {
    return false;
  }

  int prog = size * (cur / max);
  if (prog == lastprog || prog > size)
    return true;
  lastprog = prog;

  printf("\r" COLOR_BOLD "[");
  for (int i = 0; i < prog; i++) {
    printf("#");
  }
  printf(COLOR_BLUE "#" COLOR_RESET COLOR_BOLD);

  for (int i = prog; i < size; i++) {
    printf(" ");
  }
  printf("]" COLOR_RESET);

  printf(COLOR_BOLD COLOR_BLUE "%s" COLOR_RESET "\r", perc);
  return true;
}

void info(const char *msg, ...) {
  va_list args;
  va_start(args, msg);

  printf(COLOR_BOLD COLOR_BLUE ">>> " COLOR_RESET COLOR_BOLD);
  vprintf(msg, args);
  printf(COLOR_RESET "\n");

  va_end(args);
}

void error(const char *msg, ...) {
  va_list args;
  va_start(args, msg);

  printf(COLOR_BOLD COLOR_RED ">>> " COLOR_RESET COLOR_BOLD);
  vprintf(msg, args);
  printf(COLOR_RESET "\n");

  va_end(args);
}

void details(const char *msg, ...) {
  va_list args;
  va_start(args, msg);

  printf("    " COLOR_RESET);
  vprintf(msg, args);
  printf(COLOR_RESET "\n");

  va_end(args);
}

void success(const char *msg, ...) {
  va_list args;
  va_start(args, msg);

  printf(COLOR_BOLD COLOR_GREEN ">>> " COLOR_RESET COLOR_BOLD);
  vprintf(msg, args);
  printf(COLOR_RESET "\n");

  va_end(args);
}

void debug(const char *msg, ...) {
  if (!env_mc_debug())
    return;

  va_list args;
  va_start(args, msg);

  printf(COLOR_BOLD COLOR_MAGENTA "DEBUG: " COLOR_RESET COLOR_BOLD);
  vprintf(msg, args);
  printf(COLOR_RESET "\n");

  va_end(args);
}

void input(const char *msg, ...) {
  va_list args;
  va_start(args, msg);

  printf(COLOR_BOLD COLOR_CYAN ">>> " COLOR_RESET COLOR_BOLD);
  vprintf(msg, args);
  printf(COLOR_RESET);

  va_end(args);
}

bool yesno(const char *msg) {
  if (env_mc_yes())
    return true;

  char *yes[] = {_("y"), _("Y")};
  char *no[]  = {_("n"), _("N")};

  char question[strlen(msg) + 12], c;
  sprintf(question, _("%s [y/N] "), msg);

  while (true) {
    input(question);

    int c = getchar();
    if (c == '\n')
      return false;
    getchar();

    for (int i = 0; i < sizeof(yes) / sizeof(char *); i++) {
      if (yes[i][0] == c)
        return true;
    }

    for (int i = 0; i < sizeof(no) / sizeof(char *); i++) {
      if (no[i][0] == c)
        return false;
    }

    error(_("Please answer with y/n"));
  }
}