增加自动编号 (#12)

Co-authored-by: zhengshanshan <[email protected]>

docs/source/_static/custom-theme.css

@@ -49,4 +49,122 @@ nav.bd-links li>a:active, .logo__title:hover, nav.bd-links li>a:hover {
   cite {
     font-style: normal;
   }
-
+  body {
+    counter-reset: h2counter toc-h2counter toctree-l2counter;
+}
+
+h2 {
+    counter-reset: h3counter;
+}
+
+h3 {
+    counter-reset: h4counter;
+}
+
+h4 {
+    counter-reset: h5counter;
+}
+
+h5 {
+    counter-reset: h6counter;
+}
+
+h2::before {
+    counter-increment: h2counter;
+    content: counter(h2counter) ". ";
+}
+
+h3::before {
+    counter-increment: h3counter;
+    content: counter(h2counter) "." counter(h3counter) " ";
+}
+
+h4::before {
+    counter-increment: h4counter;
+    content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) " ";
+}
+
+h5::before {
+    counter-increment: h5counter;
+    content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "." counter(h5counter) " ";
+}
+
+h6::before {
+    counter-increment: h6counter;
+    content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "." counter(h5counter) "." counter(h6counter) " ";
+}
+
+/* TOC heading counters */
+.toc-h2 {
+    counter-reset: toc-h3counter;
+}
+
+.toc-h3 {
+    counter-reset: toc-h4counter;
+}
+
+.toc-h4 {
+    counter-reset: toc-h5counter;
+}
+
+.toc-h5 {
+    counter-reset: toc-h6counter;
+}
+
+.toc-h2 > .nav-link::before {
+    counter-increment: toc-h2counter;
+    content: counter(toc-h2counter) ". ";
+}
+
+.toc-h3 > .nav-link::before {
+    counter-increment: toc-h3counter;
+    content: counter(toc-h2counter) "." counter(toc-h3counter) " ";
+}
+
+.toc-h4 > .nav-link::before {
+    counter-increment: toc-h4counter;
+    content: counter(toc-h2counter) "." counter(toc-h3counter) "." counter(toc-h4counter) " ";
+}
+
+.toc-h5 > .nav-link::before {
+    counter-increment: toc-h5counter;
+    content: counter(toc-h2counter) "." counter(toc-h3counter) "." counter(toc-h4counter) "." counter(toc-h5counter) " ";
+}
+
+.toc-h6 > .nav-link::before {
+    counter-increment: toc-h6counter;
+    content: counter(toc-h2counter) "." counter(toc-h3counter) "." counter(toc-h4counter) "." counter(toc-h5counter) "." counter(toc-h6counter) " ";
+}
+
+/* Toctree counters */
+.toctree-l2 {
+    counter-reset: toctree-l3counter;
+}
+
+.toctree-l3 {
+    counter-reset: toctree-l4counter;
+}
+
+.toctree-l4 {
+    counter-reset: toctree-l5counter;
+}
+
+.toctree-l2 > a::before {
+    counter-increment: toctree-l2counter;
+    content: counter(toctree-l2counter) ". ";
+}
+
+.toctree-l3 > a::before {
+    counter-increment: toctree-l3counter;
+    content: counter(toctree-l2counter) "." counter(toctree-l3counter) " ";
+}
+
+.toctree-l4 > a::before {
+    counter-increment: toctree-l4counter;
+    content: counter(toctree-l2counter) "." counter(toctree-l3counter) "." counter(toctree-l4counter) " ";
+}
+
+.toctree-l5 > a::before {
+    counter-increment: toctree-l5counter;
+    content: counter(toctree-l2counter) "." counter(toctree-l3counter) "." counter(toctree-l4counter) "." counter(toctree-l5counter) " ";
+}