Merge vmg#141 of the original project

dokutoku · Mar 12, 2023 · 3e35e41 · 3e35e41
2 parents 164cc56 + 3b65796
commit 3e35e41
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Showing 3 changed files with 350 additions and 3 deletions.
diff --git a/html/html.c b/html/html.c
@@ -525,6 +525,53 @@ rndr_finalize(struct buf *ob, void *opaque)
     }
 }
 
+static void
+rndr_footnotes(struct buf *ob, const struct buf *text, void *opaque)
+{
+	BUFPUTSL(ob, "<div class=\"footnotes\">\n<hr />\n<ol>\n");
+
+	if (text)
+		bufput(ob, text->data, text->size);
+
+	BUFPUTSL(ob, "\n</ol>\n</div>\n");
+}
+
+static void
+rndr_footnote_def(struct buf *ob, const struct buf *text, unsigned int num, void *opaque)
+{
+	size_t i = 0;
+	int pfound = 0;
+
+	/* insert anchor at the end of first paragraph block */
+	if (text) {
+		while ((i+3) < text->size) {
+			if (text->data[i++] != '<') continue;
+			if (text->data[i++] != '/') continue;
+			if (text->data[i++] != 'p' && text->data[i] != 'P') continue;
+			if (text->data[i] != '>') continue;
+			i -= 3;
+			pfound = 1;
+			break;
+		}
+	}
+
+	bufprintf(ob, "\n<li id=\"fn%d\">\n", num);
+	if (pfound) {
+		bufput(ob, text->data, i);
+		bufprintf(ob, "&nbsp;<a href=\"#fnref%d\" rev=\"footnote\">&#8617;</a>", num);
+		bufput(ob, text->data + i, text->size - i);
+	} else if (text) {
+		bufput(ob, text->data, text->size);
+	}
+	BUFPUTSL(ob, "</li>\n");
+}
+
+static int
+rndr_footnote_ref(struct buf *ob, unsigned int num, void *opaque)
+{
+	bufprintf(ob, "<sup id=\"fnref%d\"><a href=\"#fn%d\" rel=\"footnote\">%d</a></sup>", num, num, num);
+	return 1;
+}
 
 static void
 toc_header(struct buf *ob, const struct buf *text, int level, void *opaque)
@@ -594,6 +641,8 @@ sdhtml_toc_renderer(struct sd_callbacks *callbacks, struct html_renderopt *optio
 		NULL,
 		NULL,
 		NULL,
+		NULL,
+		NULL,
 
 		NULL,
 		rndr_codespan,
@@ -607,6 +656,7 @@ sdhtml_toc_renderer(struct sd_callbacks *callbacks, struct html_renderopt *optio
 		rndr_ins,
 		rndr_strikethrough,
 		rndr_superscript,
+		NULL,
 
 		NULL,
 		NULL,
@@ -638,6 +688,8 @@ sdhtml_renderer(struct sd_callbacks *callbacks, struct html_renderopt *options,
 		rndr_table,
 		rndr_tablerow,
 		rndr_tablecell,
+		rndr_footnotes,
+		rndr_footnote_def,
 
 		rndr_autolink,
 		rndr_codespan,
@@ -651,6 +703,7 @@ sdhtml_renderer(struct sd_callbacks *callbacks, struct html_renderopt *options,
 		rndr_ins,
 		rndr_strikethrough,
 		rndr_superscript,
+		rndr_footnote_ref,
 
 		NULL,
 		rndr_normal_text,