int pfenv_print_mp_int(const pfenv_t *pfenv, mp_obj_t x, int sgn, int base, int base_char, int flags, char fill, int width) {
if (!MP_OBJ_IS_INT(x)) {
// This will convert booleans to int, or raise an error for
// non-integer types.
x = MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(x));
}
char prefix_buf[4];
char *prefix = prefix_buf;
if (mp_obj_int_is_positive(x)) {
if (flags & PF_FLAG_SHOW_SIGN) {
*prefix++ = '+';
} else if (flags & PF_FLAG_SPACE_SIGN) {
*prefix++ = ' ';
}
}
if (flags & PF_FLAG_SHOW_PREFIX) {
if (base == 2) {
*prefix++ = '0';
*prefix++ = base_char + 'b' - 'a';
} else if (base == 8) {
*prefix++ = '0';
if (flags & PF_FLAG_SHOW_OCTAL_LETTER) {
*prefix++ = base_char + 'o' - 'a';
}
} else if (base == 16) {
*prefix++ = '0';
*prefix++ = base_char + 'x' - 'a';
}
}
*prefix = '\0';
int prefix_len = prefix - prefix_buf;
prefix = prefix_buf;
char comma = '\0';
if (flags & PF_FLAG_SHOW_COMMA) {
comma = ',';
}
// The size of this buffer is rather arbitrary. If it's not large
// enough, a dynamic one will be allocated.
char stack_buf[sizeof(machine_int_t) * 4];
char *buf = stack_buf;
int buf_size = sizeof(stack_buf);
int fmt_size = 0;
char *str;
char sign = '\0';
if (flags & PF_FLAG_PAD_AFTER_SIGN) {
// We add the pad in this function, so since the pad goes after
// the sign & prefix, we format without a prefix
str = mp_obj_int_formatted(&buf, &buf_size, &fmt_size,
x, base, NULL, base_char, comma);
if (*str == '-') {
sign = *str++;
fmt_size--;
}
} else {
str = mp_obj_int_formatted(&buf, &buf_size, &fmt_size,
x, base, prefix, base_char, comma);
}
int len = 0;
if (flags & PF_FLAG_PAD_AFTER_SIGN) {
// pad after sign implies pad after prefix as well.
if (sign) {
len += pfenv_print_strn(pfenv, &sign, 1, 0, 0, 1);
width--;
}
if (prefix_len) {
len += pfenv_print_strn(pfenv, prefix, prefix_len, 0, 0, 1);
width -= prefix_len;
}
}
len += pfenv_print_strn(pfenv, str, fmt_size, flags, fill, width);
if (buf != stack_buf) {
m_free(buf, buf_size);
}
return len;
}
int mp_print_mp_int(const mp_print_t *print, mp_obj_t x, int base, int base_char, int flags, char fill, int width, int prec) {
if (!MP_OBJ_IS_INT(x)) {
// This will convert booleans to int, or raise an error for
// non-integer types.
x = MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(x));
}
if ((flags & (PF_FLAG_LEFT_ADJUST | PF_FLAG_CENTER_ADJUST)) == 0 && fill == '0') {
if (prec > width) {
width = prec;
}
prec = 0;
}
char prefix_buf[4];
char *prefix = prefix_buf;
if (mp_obj_int_is_positive(x)) {
if (flags & PF_FLAG_SHOW_SIGN) {
*prefix++ = '+';
} else if (flags & PF_FLAG_SPACE_SIGN) {
*prefix++ = ' ';
}
}
if (flags & PF_FLAG_SHOW_PREFIX) {
if (base == 2) {
*prefix++ = '0';
*prefix++ = base_char + 'b' - 'a';
} else if (base == 8) {
*prefix++ = '0';
if (flags & PF_FLAG_SHOW_OCTAL_LETTER) {
*prefix++ = base_char + 'o' - 'a';
}
} else if (base == 16) {
*prefix++ = '0';
*prefix++ = base_char + 'x' - 'a';
}
}
*prefix = '\0';
int prefix_len = prefix - prefix_buf;
prefix = prefix_buf;
char comma = '\0';
if (flags & PF_FLAG_SHOW_COMMA) {
comma = ',';
}
// The size of this buffer is rather arbitrary. If it's not large
// enough, a dynamic one will be allocated.
char stack_buf[sizeof(mp_int_t) * 4];
char *buf = stack_buf;
mp_uint_t buf_size = sizeof(stack_buf);
mp_uint_t fmt_size = 0;
char *str;
if (prec > 1) {
flags |= PF_FLAG_PAD_AFTER_SIGN;
}
char sign = '\0';
if (flags & PF_FLAG_PAD_AFTER_SIGN) {
// We add the pad in this function, so since the pad goes after
// the sign & prefix, we format without a prefix
str = mp_obj_int_formatted(&buf, &buf_size, &fmt_size,
x, base, NULL, base_char, comma);
if (*str == '-') {
sign = *str++;
fmt_size--;
}
} else {
str = mp_obj_int_formatted(&buf, &buf_size, &fmt_size,
x, base, prefix, base_char, comma);
}
int spaces_before = 0;
int spaces_after = 0;
if (prec > 1) {
// If prec was specified, then prec specifies the width to zero-pad the
// the number to. This zero-padded number then gets left or right
// aligned in width characters.
int prec_width = fmt_size; // The digits
if (prec_width < prec) {
prec_width = prec;
}
if (flags & PF_FLAG_PAD_AFTER_SIGN) {
if (sign) {
prec_width++;
}
prec_width += prefix_len;
}
if (prec_width < width) {
if (flags & PF_FLAG_LEFT_ADJUST) {
spaces_after = width - prec_width;
} else {
spaces_before = width - prec_width;
}
}
fill = '0';
flags &= ~PF_FLAG_LEFT_ADJUST;
}
int len = 0;
if (spaces_before) {
len += mp_print_strn(print, "", 0, 0, ' ', spaces_before);
}
if (flags & PF_FLAG_PAD_AFTER_SIGN) {
// pad after sign implies pad after prefix as well.
if (sign) {
len += mp_print_strn(print, &sign, 1, 0, 0, 1);
width--;
}
if (prefix_len) {
len += mp_print_strn(print, prefix, prefix_len, 0, 0, 1);
width -= prefix_len;
}
}
if (prec > 1) {
width = prec;
}
len += mp_print_strn(print, str, fmt_size, flags, fill, width);
if (spaces_after) {
len += mp_print_strn(print, "", 0, 0, ' ', spaces_after);
}
if (buf != stack_buf) {
m_del(char, buf, buf_size);
}
return len;
}
