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#include <libk/stdio.h>
#include <libk/string.h>
#include <graphics.h>
#include <serial.h>
void print_char(char c)
{
if (main_fb.x * 8 >= main_fb.width) {
main_fb.x = 0;
main_fb.y++;
}
if (main_fb.y * 16 >= main_fb.height) {
main_fb.x = 0;
main_fb.y = 0;
}
if (c == '\n') {
write_serial('\n');
main_fb.x = 0;
main_fb.y++;
return;
}
if (c == '\b') {
if (main_fb.x != 0) {
main_fb.x--;
}
return;
}
fb_draw_character(main_fb, c, (int32_t)main_fb.x * 8, (int32_t)main_fb.y * 16);
main_fb.x++;
write_serial(c);
}
void print_string(const char* s)
{
for (size_t i = 0; i < strlen(s); i++) {
print_char(s[i]);
}
}
void print_int(uint64_t num)
{
char a[100];
itos(num, a);
print_string(a);
}
void print_hex(uint64_t num)
{
char a[100];
itoh(num, a);
print_string(a);
}
void printf(const char *s, ...)
{
va_list list;
va_start(list, s);
vprintf(s, list);
va_end(list);
}
void vprintf(const char *s, va_list list)
{
size_t count = 0;
for(size_t i = 0; i < strlen(s); i++) if(s[i] == '%') count++;
for(size_t i = 0; i < strlen(s); i++)
{
if(s[i] == '%')
{
i++;
if(s[i] == 'c') print_char((char)va_arg(list, uint32_t));
else if(s[i] == 's') print_string(va_arg(list, char*));
else if(s[i] == 'd') print_int((uint64_t)va_arg(list, uint64_t));
else if(s[i] == 'x') print_hex((uint64_t)va_arg(list, uint64_t));
else
{
print_string("Wrong format using printf\n");
return;
}
}
else print_char(s[i]);
}
}
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