|
|
@@ -0,0 +1,116 @@
|
|
|
+/* snac - A simple, minimalistic ActivityPub instance */
|
|
|
+/* copyright (c) 2022 grunfink - MIT license */
|
|
|
+
|
|
|
+#include "xs.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_str_new(NULL);
|
|
|
+
|
|
|
+ {
|
|
|
+ /* split by special markup */
|
|
|
+ xs *sm = xs_regex_split(content,
|
|
|
+ "(`[^`]+`|\\*\\*?[^\\*]+\\*?\\*|https?:/" "/[^[:space:]]+)");
|
|
|
+ int n = 0;
|
|
|
+
|
|
|
+ p = sm;
|
|
|
+ while (xs_list_iter(&p, &v)) {
|
|
|
+ if ((n & 0x1)) {
|
|
|
+ /* markup */
|
|
|
+ if (xs_startswith(v, "`")) {
|
|
|
+ xs *s1 = xs_crop(xs_dup(v), 1, -1);
|
|
|
+ xs *s2 = xs_fmt("<code>%s</code>", s1);
|
|
|
+ wrk = xs_str_cat(wrk, s2);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ if (xs_startswith(v, "**")) {
|
|
|
+ xs *s1 = xs_crop(xs_dup(v), 2, -2);
|
|
|
+ xs *s2 = xs_fmt("<b>%s</b>", s1);
|
|
|
+ wrk = xs_str_cat(wrk, s2);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ if (xs_startswith(v, "*")) {
|
|
|
+ xs *s1 = xs_crop(xs_dup(v), 1, -1);
|
|
|
+ xs *s2 = xs_fmt("<i>%s</i>", s1);
|
|
|
+ wrk = xs_str_cat(wrk, s2);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ if (xs_startswith(v, "http")) {
|
|
|
+ xs *s1 = xs_fmt("<a href=\"%s\">%s</a>", v, v);
|
|
|
+ wrk = xs_str_cat(wrk, s1);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ /* what the hell is this */
|
|
|
+ wrk = xs_str_cat(wrk, v);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ /* surrounded text, copy directly */
|
|
|
+ wrk = xs_str_cat(wrk, v);
|
|
|
+
|
|
|
+ n++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* now work by 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;
|
|
|
+}
|