/* Tries to add more characters from the fp file, but not exceed length of the
* line buffer (the len parameter) and maximum number of printable character
* positions (the max parameter). Returns new length of the line buffer. */
static size_t
add_to_line(FILE *fp, size_t max, char line[], size_t len)
{
size_t n_len = get_normal_utf8_string_length(line) - esc_str_overhead(line);
size_t curr_len = strlen(line);
while(n_len < max && line[curr_len - 1] != '\n' && !feof(fp))
{
if(get_line(fp, line + curr_len, len - curr_len) == NULL)
{
break;
}
n_len = get_normal_utf8_string_length(line) - esc_str_overhead(line);
curr_len = strlen(line);
}
return curr_len;
}
/* Recalculates virtual lines of a view with line wrapping. */
static void
calc_vlines_wrapped(view_info_t *vi)
{
int i;
vi->nlinesv = 0;
for(i = 0; i < vi->nlines; i++)
{
vi->widths[i][0] = vi->nlinesv++;
vi->widths[i][1] = utf8_strsw_with_tabs(vi->lines[i], cfg.tab_stop) -
esc_str_overhead(vi->lines[i]);
vi->nlinesv += vi->widths[i][1]/vi->width;
}
}
/* Recalculates virtual lines of a view with line wrapping. */
static void
calc_vlines_wrapped(view_info_t *vi)
{
int i;
vi->nlinesv = 0;
for(i = 0; i < vi->nlines; i++)
{
vi->widths[i][0] = vi->nlinesv++;
vi->widths[i][1] = get_screen_string_length(vi->lines[i]) -
esc_str_overhead(vi->lines[i]);
vi->nlinesv += vi->widths[i][1]/vi->width;
}
}
