Added support for Markdown ~~strikethrough text~~.

This commit is contained in:
default 2024-07-19 07:11:25 +02:00
parent f3b392e06a
commit 6e3b621f7b
2 changed files with 17 additions and 7 deletions

View File

@ -25,6 +25,8 @@ A special subset of Markdown is allowed, including:
**text between two pairs of asterisks**
.It italic
*text between a pair of asterisks*
.It strikethrough text
~~text between a pair of tildes~~
.It code
Text `between backticks` is formatted as code.
.Bd -literal
@ -41,16 +43,16 @@ int main(int argc, char *argv[])
Standalone URLs are converted to links. Also, from version 2.54,
markdown-style links in the form of [link label](url) are also
supported.
.It Line separators
.It line separators
Horizonal rules can be inserted by typing three minus symbols
alone in a line.
.It quoted text
Lines starting with >.
.It User Mentions
.It user mentions
Strings in the format @user@host are requested using the Webfinger
protocol and converted to links and mentions if something reasonable
is found.
.It Emoticons / Smileys / Silly Symbols
.It emoticons /emojis / smileys / silly symbols
(Note: from version 2.51, these symbols are configurable by the
instance administrator, so the available ones may differ).
.Pp

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@ -89,6 +89,7 @@ static xs_str *format_line(const char *line, xs_list **attach)
xs *sm = xs_regex_split(line,
"("
"`[^`]+`" "|"
"~~[^~]+~~" "|"
"\\*\\*?\\*?[^\\*]+\\*?\\*?\\*" "|"
"\\[[^]]+\\]\\([^\\)]+\\)" "|"
"https?:/" "/[^[:space:]]+"
@ -100,30 +101,37 @@ static xs_str *format_line(const char *line, xs_list **attach)
if ((n & 0x1)) {
/* markup */
if (xs_startswith(v, "`")) {
xs *s1 = xs_crop_i(xs_dup(v), 1, -1);
xs *s1 = xs_strip_chars_i(xs_dup(v), "`");
xs *e1 = encode_html(s1);
xs *s2 = xs_fmt("<code>%s</code>", e1);
s = xs_str_cat(s, s2);
}
else
if (xs_startswith(v, "***")) {
xs *s1 = xs_crop_i(xs_dup(v), 3, -3);
xs *s1 = xs_strip_chars_i(xs_dup(v), "*");
xs *s2 = xs_fmt("<b><i>%s</i></b>", s1);
s = xs_str_cat(s, s2);
}
else
if (xs_startswith(v, "**")) {
xs *s1 = xs_crop_i(xs_dup(v), 2, -2);
xs *s1 = xs_strip_chars_i(xs_dup(v), "*");
xs *s2 = xs_fmt("<b>%s</b>", s1);
s = xs_str_cat(s, s2);
}
else
if (xs_startswith(v, "*")) {
xs *s1 = xs_crop_i(xs_dup(v), 1, -1);
xs *s1 = xs_strip_chars_i(xs_dup(v), "*");
xs *s2 = xs_fmt("<i>%s</i>", s1);
s = xs_str_cat(s, s2);
}
else
if (xs_startswith(v, "~~")) {
xs *s1 = xs_strip_chars_i(xs_dup(v), "~");
xs *e1 = encode_html(s1);
xs *s2 = xs_fmt("<s>%s</s>", e1);
s = xs_str_cat(s, s2);
}
else
if (xs_startswith(v, "http")) {
xs *u = xs_replace(v, "#", "&#35;");
xs *v2 = xs_strip_chars_i(xs_dup(u), ".,)");