My personal build of CMark ✏️
latex renderer - better handling of internal links.
Now we render `[foo](#bar)` as `\protect\hyperlink{bar}{foo}`.
1 file changed, 36 insertions, 23 deletions
| Status | File Name | N° Changes | Insertions | Deletions |
| Modified | src/latex.c | 59 | 36 | 23 |
diff --git a/src/latex.c b/src/latex.c @@ -142,7 +142,12 @@ static inline void outc(cmark_renderer *renderer, cmark_escaping escape, } } -typedef enum { NO_LINK, URL_AUTOLINK, EMAIL_AUTOLINK, NORMAL_LINK } link_type; +typedef enum { NO_LINK, + URL_AUTOLINK, + EMAIL_AUTOLINK, + NORMAL_LINK, + INTERNAL_LINK + } link_type; static link_type get_link_type(cmark_node *node) { size_t title_len, url_len; @@ -158,6 +163,10 @@ static link_type get_link_type(cmark_node *node) { const char *url = cmark_node_get_url(node); cmark_chunk url_chunk = cmark_chunk_literal(url); + if (url && *url == '#') { + return INTERNAL_LINK; + } + url_len = safe_strlen(url); if (url_len == 0 || scan_scheme(&url_chunk, 0) == 0) { return NO_LINK; @@ -166,30 +175,29 @@ static link_type get_link_type(cmark_node *node) { const char *title = cmark_node_get_title(node); title_len = safe_strlen(title); // if it has a title, we can't treat it as an autolink: - if (title_len > 0) { - return NORMAL_LINK; - } - - link_text = node->first_child; - cmark_consolidate_text_nodes(link_text); - realurl = (char *)url; - realurllen = url_len; - if (strncmp(realurl, "mailto:", 7) == 0) { - realurl += 7; - realurllen -= 7; - isemail = true; - } - if (realurllen == link_text->as.literal.len && - strncmp(realurl, (char *)link_text->as.literal.data, - link_text->as.literal.len) == 0) { - if (isemail) { - return EMAIL_AUTOLINK; - } else { - return URL_AUTOLINK; + if (title_len == 0) { + + link_text = node->first_child; + cmark_consolidate_text_nodes(link_text); + realurl = (char *)url; + realurllen = url_len; + if (strncmp(realurl, "mailto:", 7) == 0) { + realurl += 7; + realurllen -= 7; + isemail = true; + } + if (realurllen == link_text->as.literal.len && + strncmp(realurl, (char *)link_text->as.literal.data, + link_text->as.literal.len) == 0) { + if (isemail) { + return EMAIL_AUTOLINK; + } else { + return URL_AUTOLINK; + } } - } else { - return NORMAL_LINK; } + + return NORMAL_LINK; } static int S_get_enumlevel(cmark_node *node) { @@ -388,6 +396,11 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node, OUT(url, false, URL); LIT("}{"); break; + case INTERNAL_LINK: + LIT("\\protect\\hyperlink{"); + OUT(url + 1, false, URL); + LIT("}{"); + break; case NO_LINK: LIT("{"); // error? }