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Added support for markdown-like ![alt text](image url).
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2 changed files with 36 additions and 0 deletions
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@ -43,6 +43,11 @@ int main(int argc, char *argv[])
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Standalone URLs are converted to links. Also, from version 2.54,
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markdown-style links in the form of [link label](url) are also
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supported.
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.It attached images
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Standalone URLs for which the final extension is recognized as an
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image (.jpg, .gif, .png, etc), are converted to ActivityPub image
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attachments. Also, from version 2.57, markdown-style image links
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in the form of ![alt text](image url) are also supported.
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.It line separators
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Horizonal rules can be inserted by typing three minus symbols
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alone in a line.
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31
format.c
31
format.c
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@ -91,6 +91,7 @@ static xs_str *format_line(const char *line, xs_list **attach)
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"`[^`]+`" "|"
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"~~[^~]+~~" "|"
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"\\*\\*?\\*?[^\\*]+\\*?\\*?\\*" "|"
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"!\\[[^]]+\\]\\([^\\)]+\\)" "|"
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"\\[[^]]+\\]\\([^\\)]+\\)" "|"
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"https?:/" "/[^[:space:]]+"
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")");
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@ -169,6 +170,36 @@ static xs_str *format_line(const char *line, xs_list **attach)
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else
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s = xs_str_cat(s, v);
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}
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else
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if (*v == '!') {
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/* markdown-like images ![alt text](url to image) */
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xs *w = xs_strip_chars_i(xs_replace(v, "#", "#"), "![)");
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xs *l = xs_split_n(w, "](", 1);
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if (xs_list_len(l) == 2) {
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const char *alt_text = xs_list_get(l, 0);
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const char *img_url = xs_list_get(l, 1);
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const char *mime = xs_mime_by_ext(img_url);
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if (attach != NULL && xs_startswith(mime, "image/")) {
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xs *d = xs_dict_new();
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d = xs_dict_append(d, "mediaType", mime);
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d = xs_dict_append(d, "url", img_url);
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d = xs_dict_append(d, "name", alt_text);
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d = xs_dict_append(d, "type", "Image");
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*attach = xs_list_append(*attach, d);
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}
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else {
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xs *link = xs_fmt("<a href=\"%s\">%s</a>", img_url, alt_text);
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s = xs_str_cat(s, link);
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}
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}
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else
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s = xs_str_cat(s, v);
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}
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else
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s = xs_str_cat(s, v);
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}
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