mirror of
https://codeberg.org/grunfink/snac2.git
synced 2024-11-29 07:53:37 +00:00
134 lines
3 KiB
C
134 lines
3 KiB
C
/* snac - A simple, minimalistic ActivityPub instance */
|
|
/* copyright (c) 2022 grunfink - MIT license */
|
|
|
|
#include "xs.h"
|
|
#include "xs_io.h"
|
|
#include "xs_json.h"
|
|
#include "xs_regex.h"
|
|
|
|
#include "snac.h"
|
|
|
|
d_char *not_really_markdown(char *content, d_char **f_content)
|
|
/* formats a content using some Markdown rules */
|
|
{
|
|
d_char *s = NULL;
|
|
int in_pre = 0;
|
|
int in_blq = 0;
|
|
xs *list;
|
|
char *p, *v;
|
|
xs *wrk = xs_dup(content);
|
|
|
|
/* global changes */
|
|
{
|
|
/* backticks */
|
|
xs *ml = xs_regex_matchall(wrk, "`[^`]+`");
|
|
p = ml;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *s1 = xs_crop(xs_dup(v), 1, -1);
|
|
xs *s2 = xs_fmt("<code>%s</code>", s1);
|
|
|
|
wrk = xs_replace_i(wrk, v, s2);
|
|
}
|
|
}
|
|
|
|
{
|
|
/* double asterisks */
|
|
xs *ml = xs_regex_matchall(wrk, "\\*\\*[^\\*]+\\*\\*");
|
|
p = ml;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *s1 = xs_crop(xs_dup(v), 2, -2);
|
|
xs *s2 = xs_fmt("<b>%s</b>", s1);
|
|
|
|
wrk = xs_replace_i(wrk, v, s2);
|
|
}
|
|
}
|
|
|
|
{
|
|
/* single asterisks */
|
|
xs *ml = xs_regex_matchall(wrk, "\\*[^\\*]+\\*");
|
|
p = ml;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *s1 = xs_crop(xs_dup(v), 1, -1);
|
|
xs *s2 = xs_fmt("<i>%s</i>", s1);
|
|
|
|
wrk = xs_replace_i(wrk, v, s2);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
{
|
|
/* urls */
|
|
xs *done = xs_list_new();
|
|
xs *ml = xs_regex_matchall(wrk, "https?:/" "/[^ ]+");
|
|
p = ml;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
if (xs_list_in(done, v) == -1) {
|
|
xs *s2 = xs_fmt("<a href=\"%s\">%s</a>", v, v);
|
|
wrk = xs_replace_i(wrk, v, s2);
|
|
|
|
/* keep track of already done replaces */
|
|
done = xs_list_append(done, v);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* now work on lines */
|
|
|
|
p = list = xs_split(wrk, "\n");
|
|
|
|
s = xs_str_new(NULL);
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *ss = xs_strip(xs_dup(v));
|
|
|
|
if (xs_startswith(ss, "```")) {
|
|
if (!in_pre)
|
|
s = xs_str_cat(s, "<pre>");
|
|
else
|
|
s = xs_str_cat(s, "</pre>");
|
|
|
|
in_pre = !in_pre;
|
|
continue;
|
|
}
|
|
|
|
if (xs_startswith(ss, ">")) {
|
|
/* delete the > and subsequent spaces */
|
|
ss = xs_strip(xs_crop(ss, 1, 0));
|
|
|
|
if (!in_blq) {
|
|
s = xs_str_cat(s, "<blockquote>");
|
|
in_blq = 1;
|
|
}
|
|
|
|
s = xs_str_cat(s, ss);
|
|
s = xs_str_cat(s, "<br>");
|
|
|
|
continue;
|
|
}
|
|
|
|
if (in_blq) {
|
|
s = xs_str_cat(s, "</blockquote>");
|
|
in_blq = 0;
|
|
}
|
|
|
|
s = xs_str_cat(s, ss);
|
|
s = xs_str_cat(s, "<br>");
|
|
}
|
|
|
|
if (in_blq)
|
|
s = xs_str_cat(s, "</blockquote>");
|
|
if (in_pre)
|
|
s = xs_str_cat(s, "</pre>");
|
|
|
|
/* some beauty fixes */
|
|
s = xs_replace_i(s, "</blockquote><br>", "</blockquote>");
|
|
|
|
*f_content = s;
|
|
|
|
return *f_content;
|
|
}
|